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author | Fabio Berger <me@fabioberger.com> | 2018-08-15 05:21:47 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2018-08-15 05:21:47 +0800 |
commit | 2f2582a0da3095d61a99ef09744dc0995677558e (patch) | |
tree | 54989565919038c42d495dafb7426d4148605e84 /packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol | |
parent | 8169155a6547fb0283cd0f5362aad3c0b173b00b (diff) | |
parent | fadd292ecf367e42154856509d0ea0c20b23f2f1 (diff) | |
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Merge development
Diffstat (limited to 'packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol')
-rw-r--r-- | packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol | 57 |
1 files changed, 8 insertions, 49 deletions
diff --git a/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol b/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol index 1164ae919..93cbf79be 100644 --- a/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol +++ b/packages/contracts/src/2.0.0/forwarder/MixinForwarderCore.sol @@ -23,7 +23,7 @@ import "./libs/LibConstants.sol"; import "./mixins/MWeth.sol"; import "./mixins/MAssets.sol"; import "./mixins/MExchangeWrapper.sol"; -import "./mixins/MForwarderCore.sol"; +import "./interfaces/IForwarderCore.sol"; import "../utils/LibBytes/LibBytes.sol"; import "../protocol/Exchange/libs/LibOrder.sol"; import "../protocol/Exchange/libs/LibFillResults.sol"; @@ -37,7 +37,7 @@ contract MixinForwarderCore is MWeth, MAssets, MExchangeWrapper, - MForwarderCore + IForwarderCore { using LibBytes for bytes; @@ -117,7 +117,7 @@ contract MixinForwarderCore is ); // Buy back all ZRX spent on fees. zrxBuyAmount = orderFillResults.takerFeePaid; - feeOrderFillResults = marketBuyZrxWithWeth( + feeOrderFillResults = marketBuyExactZrxWithWeth( feeOrders, zrxBuyAmount, feeSignatures @@ -125,13 +125,6 @@ contract MixinForwarderCore is makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount; } - // Ensure that all ZRX fees have been repurchased and no extra WETH owned by this contract has been sold. - assertValidFillResults( - orderFillResults, - feeOrderFillResults, - zrxBuyAmount - ); - // Transfer feePercentage of total ETH spent on primary orders to feeRecipient. // Refund remaining ETH to msg.sender. transferEthFeeAndRefund( @@ -142,7 +135,7 @@ contract MixinForwarderCore is ); // Transfer purchased assets to msg.sender. - transferPurchasedAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased); + transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased); } /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction. @@ -180,7 +173,7 @@ contract MixinForwarderCore is if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) { // If the makerAsset is ZRX, it is not necessary to pay fees out of this // contracts's ZRX balance because fees are factored into the price of the order. - orderFillResults = marketBuyZrxWithWeth( + orderFillResults = marketBuyExactZrxWithWeth( orders, makerAssetFillAmount, signatures @@ -190,14 +183,14 @@ contract MixinForwarderCore is } else { // Attemp to purchase desired amount of makerAsset. // ZRX fees are payed with this contract's balance. - orderFillResults = marketBuyWithWeth( + orderFillResults = marketBuyExactAmountWithWeth( orders, makerAssetFillAmount, signatures ); // Buy back all ZRX spent on fees. zrxBuyAmount = orderFillResults.takerFeePaid; - feeOrderFillResults = marketBuyZrxWithWeth( + feeOrderFillResults = marketBuyExactZrxWithWeth( feeOrders, zrxBuyAmount, feeSignatures @@ -205,13 +198,6 @@ contract MixinForwarderCore is makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount; } - // Ensure that all ZRX fees have been repurchased and no extra WETH owned by this contract has been sold. - assertValidFillResults( - orderFillResults, - feeOrderFillResults, - zrxBuyAmount - ); - // Transfer feePercentage of total ETH spent on primary orders to feeRecipient. // Refund remaining ETH to msg.sender. transferEthFeeAndRefund( @@ -222,33 +208,6 @@ contract MixinForwarderCore is ); // Transfer purchased assets to msg.sender. - transferPurchasedAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased); - } - - /// @dev Ensures that all ZRX fees have been repurchased and no extra WETH owned by this contract has been sold. - /// @param orderFillResults Amounts filled and fees paid for primary orders. - /// @param feeOrderFillResults Amounts filled and fees paid for fee orders. - /// @param zrxBuyAmount The amount of ZRX that needed to be repurchased after filling primary orders. - function assertValidFillResults( - FillResults memory orderFillResults, - FillResults memory feeOrderFillResults, - uint256 zrxBuyAmount - ) - internal - view - { - // Ensure that all ZRX spent while filling primary orders has been repurchased. - uint256 zrxPurchased = safeSub(feeOrderFillResults.makerAssetFilledAmount, feeOrderFillResults.takerFeePaid); - require( - zrxPurchased >= zrxBuyAmount, - "COMPLETE_FILL_FAILED" - ); - - // Ensure that no extra WETH owned by this contract has been sold. - uint256 wethSold = safeAdd(orderFillResults.takerAssetFilledAmount, feeOrderFillResults.takerAssetFilledAmount); - require( - wethSold <= msg.value, - "OVERSOLD_WETH" - ); + transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased); } } |