From 02d50a513af7981a1c7c04e05ce9bf3499b68c73 Mon Sep 17 00:00:00 2001 From: Amir Bandeali Date: Thu, 19 Jul 2018 17:31:43 -0700 Subject: Hard code fillOrder selector into abiEncodeFillOrder --- .../src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'packages/contracts') diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol index 507e69712..704c7061c 100644 --- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol +++ b/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol @@ -24,10 +24,6 @@ import "./LibOrder.sol"; contract LibAbiEncoder { - // solhint-disable max-line-length - bytes4 constant internal FILL_ORDER_SELECTOR = bytes4(keccak256("fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)")); - // solhint-enable max-line-length - /// @dev ABI encodes calldata for `fillOrder` in memory and returns the address range. /// This range can be passed into `call` or `delegatecall` to invoke an external /// call to `fillOrder`. @@ -42,6 +38,7 @@ contract LibAbiEncoder { bytes memory signature ) public + pure returns (bytes memory fillOrderCalldata) { // We need to call MExchangeCore.fillOrder using a delegatecall in @@ -83,8 +80,6 @@ contract LibAbiEncoder { // [1]: https://solidity.readthedocs.io/en/develop/abi-spec.html - bytes4 fillOrderSelector = FILL_ORDER_SELECTOR; - assembly { // Areas below may use the following variables: @@ -99,8 +94,10 @@ contract LibAbiEncoder { /////// Setup Header Area /////// // Load free memory pointer fillOrderCalldata := mload(0x40) + // bytes4(keccak256("fillOrder((address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes),uint256,bytes)")) + // = 0xb4be83d5 // Leave 0x20 bytes to store the length - mstore(add(fillOrderCalldata, 0x20), fillOrderSelector) + mstore(add(fillOrderCalldata, 0x20), 0xb4be83d500000000000000000000000000000000000000000000000000000000) let headerAreaEnd := add(fillOrderCalldata, 0x24) /////// Setup Params Area /////// -- cgit v1.2.3