From da3dc7affc2ad07b94a3b6c44f636f6fcbd4c3f3 Mon Sep 17 00:00:00 2001 From: Alex Browne Date: Mon, 20 Aug 2018 13:56:19 -0700 Subject: fix(sol-cov): Remove old files and update config.contractsDir --- packages/contracts/compiler.json | 2 +- .../migrations/artifacts/2.0.0/TestValidator.json | 95 ---------------------- .../migrations/artifacts/2.0.0/TestWallet.json | 95 ---------------------- 3 files changed, 1 insertion(+), 191 deletions(-) delete mode 100644 packages/migrations/artifacts/2.0.0/TestValidator.json delete mode 100644 packages/migrations/artifacts/2.0.0/TestWallet.json diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json index 60605e23b..09c47e6af 100644 --- a/packages/contracts/compiler.json +++ b/packages/contracts/compiler.json @@ -1,6 +1,6 @@ { "artifactsDir": "../migrations/artifacts/2.0.0", - "contractsDir": "src/contracts", + "contractsDir": "src/", "compilerSettings": { "optimizer": { "enabled": true, diff --git a/packages/migrations/artifacts/2.0.0/TestValidator.json b/packages/migrations/artifacts/2.0.0/TestValidator.json deleted file mode 100644 index fbb81433a..000000000 --- a/packages/migrations/artifacts/2.0.0/TestValidator.json +++ /dev/null @@ -1,95 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "TestValidator", - "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" - }, - { - "inputs": [ - { - "name": "validSigner", - "type": "address" - } - ], - "payable": false, - "stateMutability": "nonpayable", - "type": "constructor" - } - ], - "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 PUSH1 0x20 DUP1 PUSH2 0x134 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 MSTORE MLOAD PUSH1 0x0 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP3 AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0xE3 DUP1 PUSH2 0x51 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH1 0x3E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x93634702 DUP2 EQ PUSH1 0x43 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH1 0x4E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x7E PUSH1 0x4 DUP1 CALLDATALOAD SWAP1 PUSH1 0x24 DUP1 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 DUP3 ADD SWAP2 ADD CALLDATALOAD PUSH1 0x92 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST POP POP PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP2 AND EQ SWAP2 SWAP1 POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xd9 SELFDESTRUCT CODESIZE 0xe2 0x23 INVALID 0xd8 0x1f 0xc2 PUSH32 0xA163D79EEE48B3957563FAFA97170DEE28CD838D91E600290000000000000000 ", - "sourceMap": "667:1000:1:-;;;977:84;8:9:-1;5:2;;;30:1;27;20:12;5:2;977:84:1;;;;;;;;;;;;;1028:12;:26;;-1:-1:-1;;;;;1028:26:1;;;-1:-1:-1;;;;;;1028:26:1;;;;;;;;;667:1000;;;;;;" - }, - "deployedBytecode": { - "linkReferences": {}, - "object": "0x608060405260043610603e5763ffffffff7c01000000000000000000000000000000000000000000000000000000006000350416639363470281146043575b600080fd5b348015604e57600080fd5b50607e60048035906024803573ffffffffffffffffffffffffffffffffffffffff16916044359182019101356092565b604080519115158252519081900360200190f35b505060005473ffffffffffffffffffffffffffffffffffffffff9081169116149190505600a165627a7a72305820d9ff38e223fed81fc27fa163d79eee48b3957563fafa97170dee28cd838d91e60029", - "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH1 0x3E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x93634702 DUP2 EQ PUSH1 0x43 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH1 0x4E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x7E PUSH1 0x4 DUP1 CALLDATALOAD SWAP1 PUSH1 0x24 DUP1 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP2 PUSH1 0x44 CALLDATALOAD SWAP2 DUP3 ADD SWAP2 ADD CALLDATALOAD PUSH1 0x92 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST POP POP PUSH1 0x0 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 DUP2 AND SWAP2 AND EQ SWAP2 SWAP1 POP JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xd9 SELFDESTRUCT CODESIZE 0xe2 0x23 INVALID 0xd8 0x1f 0xc2 PUSH32 0xA163D79EEE48B3957563FAFA97170DEE28CD838D91E600290000000000000000 ", - "sourceMap": "667:1000:1:-;;;;;;;;;;;;;;;;;;;;;;;1398:230;;8:9:-1;5:2;;;30:1;27;20:12;5:2;-1:-1;1398:230:1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;1555:12:1;1608;;;;;1591:29;;;;1398:230;-1:-1:-1;1398:230:1:o" - } - } - }, - "sources": { - "2.0.0/protocol/Exchange/interfaces/IValidator.sol": { - "id": 0 - }, - "2.0.0/test/TestValidator/TestValidator.sol": { - "id": 1 - } - }, - "sourceCodes": { - "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/test/TestValidator/TestValidator.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See 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/interfaces/IValidator.sol\";\n\n\ncontract TestValidator is \n IValidator\n{\n\n // The single valid signer for this wallet.\n // solhint-disable-next-line var-name-mixedcase\n address internal VALID_SIGNER;\n\n /// @dev constructs a new `TestValidator` with a single valid signer.\n /// @param validSigner The sole, valid signer.\n constructor (address validSigner) public {\n VALID_SIGNER = validSigner;\n }\n\n /// @dev Verifies that a signature is valid. `signer` must match `VALID_SIGNER`.\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 signature.\n // solhint-disable no-unused-vars\n function isValidSignature(\n bytes32 hash,\n address signerAddress,\n bytes signature\n )\n external\n view\n returns (bool isValid)\n {\n return (signerAddress == VALID_SIGNER);\n }\n // solhint-enable no-unused-vars\n}\n" - }, - "sourceTreeHashHex": "0x3aab123236e3d7692e368430b803197db0cab02b088bba7835223dadbee10077", - "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/TestWallet.json b/packages/migrations/artifacts/2.0.0/TestWallet.json deleted file mode 100644 index d54bb98fa..000000000 --- a/packages/migrations/artifacts/2.0.0/TestWallet.json +++ /dev/null @@ -1,95 +0,0 @@ -{ - "schemaVersion": "2.0.0", - "contractName": "TestWallet", - "compilerOutput": { - "abi": [ - { - "constant": true, - "inputs": [ - { - "name": "hash", - "type": "bytes32" - }, - { - "name": "eip712Signature", - "type": "bytes" - } - ], - "name": "isValidSignature", - 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}, - "sources": { - "2.0.0/protocol/Exchange/interfaces/IWallet.sol": { - "id": 0 - }, - "2.0.0/test/TestWallet/TestWallet.sol": { - "id": 1 - }, - "2.0.0/utils/LibBytes/LibBytes.sol": { - "id": 2 - } - }, - "sourceCodes": { - "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/test/TestWallet/TestWallet.sol": "/*\n\n Copyright 2018 ZeroEx Intl.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See 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/interfaces/IWallet.sol\";\nimport \"../../utils/LibBytes/LibBytes.sol\";\n\n\ncontract TestWallet is \n IWallet\n{\n using LibBytes for bytes;\n\n // The owner of this wallet.\n // solhint-disable-next-line var-name-mixedcase\n address internal WALLET_OWNER;\n\n /// @dev constructs a new `TestWallet` with a single owner.\n /// @param walletOwner The owner of this wallet.\n constructor (address walletOwner) public {\n WALLET_OWNER = walletOwner;\n }\n\n /// @dev Validates an EIP712 signature.\n /// The signer must match the owner of this wallet.\n /// @param hash Message hash that is signed.\n /// @param eip712Signature Proof of signing.\n /// @return Validity of signature.\n function isValidSignature(\n bytes32 hash,\n bytes eip712Signature\n )\n external\n view\n returns (bool isValid)\n {\n require(\n eip712Signature.length == 65,\n \"LENGTH_65_REQUIRED\"\n );\n\n uint8 v = uint8(eip712Signature[0]);\n bytes32 r = eip712Signature.readBytes32(1);\n bytes32 s = eip712Signature.readBytes32(33);\n address recoveredAddress = ecrecover(hash, v, r, s);\n isValid = WALLET_OWNER == recoveredAddress;\n return isValid;\n }\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" - }, - "sourceTreeHashHex": "0x6371bfeaaf096ad3212420412e4507c6cef266a4df89047f9e5086ec4c4b7bdb", - "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 -- cgit v1.2.3