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Diffstat (limited to 'packages/contracts/src/2.0.0/forwarder/mixins/MWeth.sol')
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/mixins/MWeth.sol | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/packages/contracts/src/2.0.0/forwarder/mixins/MWeth.sol b/packages/contracts/src/2.0.0/forwarder/mixins/MWeth.sol new file mode 100644 index 000000000..7cbc115e9 --- /dev/null +++ b/packages/contracts/src/2.0.0/forwarder/mixins/MWeth.sol @@ -0,0 +1,43 @@ +/* + + Copyright 2018 ZeroEx Intl. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +*/ + +pragma solidity 0.4.24; + + +contract MWeth { + + /// @dev Converts message call's ETH value into WETH. + /// @return 95% of ETH converted to WETH. + function convertEthToWeth() + internal + returns (uint256 wethAvailable); + + /// @dev Transfers feePercentage of WETH spent on primary orders to feeRecipient. + /// Refunds any excess ETH to msg.sender. + /// @param wethSoldExcludingFeeOrders Amount of WETH sold when filling primary orders. + /// @param wethSoldForZrx Amount of WETH sold when purchasing ZRX required for primary order fees. + /// @param feePercentage Percentage of WETH sold that will payed as fee to forwarding contract feeRecipient. + /// @param feeRecipient Address that will receive ETH when orders are filled. + function transferEthFeeAndRefund( + uint256 wethSoldExcludingFeeOrders, + uint256 wethSoldForZrx, + uint256 feePercentage, + address feeRecipient + ) + internal; +} |