diff options
Diffstat (limited to 'contracts/extensions/contracts')
30 files changed, 26 insertions, 1227 deletions
diff --git a/contracts/extensions/contracts/Forwarder/Forwarder.sol b/contracts/extensions/contracts/Forwarder/Forwarder.sol deleted file mode 100644 index 94dec40ed..000000000 --- a/contracts/extensions/contracts/Forwarder/Forwarder.sol +++ /dev/null @@ -1,50 +0,0 @@ -/* - - 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; -pragma experimental ABIEncoderV2; - -import "./MixinWeth.sol"; -import "./MixinForwarderCore.sol"; -import "./libs/LibConstants.sol"; -import "./MixinAssets.sol"; -import "./MixinExchangeWrapper.sol"; - - -// solhint-disable no-empty-blocks -contract Forwarder is - LibConstants, - MixinWeth, - MixinAssets, - MixinExchangeWrapper, - MixinForwarderCore -{ - constructor ( - address _exchange, - bytes memory _zrxAssetData, - bytes memory _wethAssetData - ) - public - LibConstants( - _exchange, - _zrxAssetData, - _wethAssetData - ) - MixinForwarderCore() - {} -} diff --git a/contracts/extensions/contracts/Forwarder/MixinAssets.sol b/contracts/extensions/contracts/Forwarder/MixinAssets.sol deleted file mode 100644 index 116cdf267..000000000 --- a/contracts/extensions/contracts/Forwarder/MixinAssets.sol +++ /dev/null @@ -1,143 +0,0 @@ -/* - - 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; - -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; -import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol"; -import "./libs/LibConstants.sol"; -import "./mixins/MAssets.sol"; - - -contract MixinAssets is - Ownable, - LibConstants, - MAssets -{ - using LibBytes for bytes; - - bytes4 constant internal ERC20_TRANSFER_SELECTOR = bytes4(keccak256("transfer(address,uint256)")); - - /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to - /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be - /// used to withdraw assets that were accidentally sent to this contract. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of ERC20 token to withdraw. - function withdrawAsset( - bytes assetData, - uint256 amount - ) - external - onlyOwner - { - transferAssetToSender(assetData, amount); - } - - /// @dev Transfers given amount of asset to sender. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of asset to transfer to sender. - function transferAssetToSender( - bytes memory assetData, - uint256 amount - ) - internal - { - bytes4 proxyId = assetData.readBytes4(0); - - if (proxyId == ERC20_DATA_ID) { - transferERC20Token(assetData, amount); - } else if (proxyId == ERC721_DATA_ID) { - transferERC721Token(assetData, amount); - } else { - revert("UNSUPPORTED_ASSET_PROXY"); - } - } - - /// @dev Decodes ERC20 assetData and transfers given amount to sender. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of asset to transfer to sender. - function transferERC20Token( - bytes memory assetData, - uint256 amount - ) - internal - { - address token = assetData.readAddress(16); - - // Transfer tokens. - // We do a raw call so we can check the success separate - // from the return data. - bool success = token.call(abi.encodeWithSelector( - ERC20_TRANSFER_SELECTOR, - msg.sender, - amount - )); - require( - success, - "TRANSFER_FAILED" - ); - - // Check return data. - // If there is no return data, we assume the token incorrectly - // does not return a bool. In this case we expect it to revert - // on failure, which was handled above. - // If the token does return data, we require that it is a single - // value that evaluates to true. - assembly { - if returndatasize { - success := 0 - if eq(returndatasize, 32) { - // First 64 bytes of memory are reserved scratch space - returndatacopy(0, 0, 32) - success := mload(0) - } - } - } - require( - success, - "TRANSFER_FAILED" - ); - } - - /// @dev Decodes ERC721 assetData and transfers given amount to sender. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of asset to transfer to sender. - function transferERC721Token( - bytes memory assetData, - uint256 amount - ) - internal - { - require( - amount == 1, - "INVALID_AMOUNT" - ); - // Decode asset data. - address token = assetData.readAddress(16); - uint256 tokenId = assetData.readUint256(36); - - // Perform transfer. - IERC721Token(token).transferFrom( - address(this), - msg.sender, - tokenId - ); - } -} diff --git a/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol b/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol deleted file mode 100644 index cab26741d..000000000 --- a/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol +++ /dev/null @@ -1,260 +0,0 @@ -/* - - 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; -pragma experimental ABIEncoderV2; - -import "./libs/LibConstants.sol"; -import "./mixins/MExchangeWrapper.sol"; -import "@0x/contracts-libs/contracts/libs/LibAbiEncoder.sol"; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-libs/contracts/libs/LibFillResults.sol"; -import "@0x/contracts-libs/contracts/libs/LibMath.sol"; - - -contract MixinExchangeWrapper is - LibAbiEncoder, - LibFillResults, - LibMath, - LibConstants, - MExchangeWrapper -{ - /// @dev Fills the input order. - /// Returns false if the transaction would otherwise revert. - /// @param order Order struct containing order specifications. - /// @param takerAssetFillAmount Desired amount of takerAsset to sell. - /// @param signature Proof that order has been created by maker. - /// @return Amounts filled and fees paid by maker and taker. - function fillOrderNoThrow( - LibOrder.Order memory order, - uint256 takerAssetFillAmount, - bytes memory signature - ) - internal - returns (FillResults memory fillResults) - { - // ABI encode calldata for `fillOrder` - bytes memory fillOrderCalldata = abiEncodeFillOrder( - order, - takerAssetFillAmount, - signature - ); - - address exchange = address(EXCHANGE); - - // Call `fillOrder` and handle any exceptions gracefully - assembly { - let success := call( - gas, // forward all gas - exchange, // call address of Exchange contract - 0, // transfer 0 wei - add(fillOrderCalldata, 32), // pointer to start of input (skip array length in first 32 bytes) - mload(fillOrderCalldata), // length of input - fillOrderCalldata, // write output over input - 128 // output size is 128 bytes - ) - if success { - mstore(fillResults, mload(fillOrderCalldata)) - mstore(add(fillResults, 32), mload(add(fillOrderCalldata, 32))) - mstore(add(fillResults, 64), mload(add(fillOrderCalldata, 64))) - mstore(add(fillResults, 96), mload(add(fillOrderCalldata, 96))) - } - } - // fillResults values will be 0 by default if call was unsuccessful - return fillResults; - } - - /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker. - /// Returns false if the transaction would otherwise revert. - /// @param orders Array of order specifications. - /// @param wethSellAmount Desired amount of WETH to sell. - /// @param signatures Proofs that orders have been signed by makers. - /// @return Amounts filled and fees paid by makers and taker. - function marketSellWeth( - LibOrder.Order[] memory orders, - uint256 wethSellAmount, - bytes[] memory signatures - ) - internal - returns (FillResults memory totalFillResults) - { - bytes memory makerAssetData = orders[0].makerAssetData; - bytes memory wethAssetData = WETH_ASSET_DATA; - - uint256 ordersLength = orders.length; - for (uint256 i = 0; i != ordersLength; i++) { - - // We assume that asset being bought by taker is the same for each order. - // We assume that asset being sold by taker is WETH for each order. - orders[i].makerAssetData = makerAssetData; - orders[i].takerAssetData = wethAssetData; - - // Calculate the remaining amount of WETH to sell - uint256 remainingTakerAssetFillAmount = safeSub(wethSellAmount, totalFillResults.takerAssetFilledAmount); - - // Attempt to sell the remaining amount of WETH - FillResults memory singleFillResults = fillOrderNoThrow( - orders[i], - remainingTakerAssetFillAmount, - signatures[i] - ); - - // Update amounts filled and fees paid by maker and taker - addFillResults(totalFillResults, singleFillResults); - - // Stop execution if the entire amount of takerAsset has been sold - if (totalFillResults.takerAssetFilledAmount >= wethSellAmount) { - break; - } - } - return totalFillResults; - } - - /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker. - /// Returns false if the transaction would otherwise revert. - /// The asset being sold by taker must always be WETH. - /// @param orders Array of order specifications. - /// @param makerAssetFillAmount Desired amount of makerAsset to buy. - /// @param signatures Proofs that orders have been signed by makers. - /// @return Amounts filled and fees paid by makers and taker. - function marketBuyExactAmountWithWeth( - LibOrder.Order[] memory orders, - uint256 makerAssetFillAmount, - bytes[] memory signatures - ) - internal - returns (FillResults memory totalFillResults) - { - bytes memory makerAssetData = orders[0].makerAssetData; - bytes memory wethAssetData = WETH_ASSET_DATA; - - uint256 ordersLength = orders.length; - for (uint256 i = 0; i != ordersLength; i++) { - - // We assume that asset being bought by taker is the same for each order. - // We assume that asset being sold by taker is WETH for each order. - orders[i].makerAssetData = makerAssetData; - orders[i].takerAssetData = wethAssetData; - - // Calculate the remaining amount of makerAsset to buy - uint256 remainingMakerAssetFillAmount = safeSub(makerAssetFillAmount, totalFillResults.makerAssetFilledAmount); - - // Convert the remaining amount of makerAsset to buy into remaining amount - // of takerAsset to sell, assuming entire amount can be sold in the current order. - // We round up because the exchange rate computed by fillOrder rounds in favor - // of the Maker. In this case we want to overestimate the amount of takerAsset. - uint256 remainingTakerAssetFillAmount = getPartialAmountCeil( - orders[i].takerAssetAmount, - orders[i].makerAssetAmount, - remainingMakerAssetFillAmount - ); - - // Attempt to sell the remaining amount of takerAsset - FillResults memory singleFillResults = fillOrderNoThrow( - orders[i], - remainingTakerAssetFillAmount, - signatures[i] - ); - - // Update amounts filled and fees paid by maker and taker - addFillResults(totalFillResults, singleFillResults); - - // Stop execution if the entire amount of makerAsset has been bought - uint256 makerAssetFilledAmount = totalFillResults.makerAssetFilledAmount; - if (makerAssetFilledAmount >= makerAssetFillAmount) { - break; - } - } - - require( - makerAssetFilledAmount >= makerAssetFillAmount, - "COMPLETE_FILL_FAILED" - ); - return totalFillResults; - } - - /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee - /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues). - /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX - /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases. - /// The asset being sold by taker must always be WETH. - /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. - /// @param zrxBuyAmount Desired amount of ZRX to buy. - /// @param signatures Proofs that orders have been created by makers. - /// @return totalFillResults Amounts filled and fees paid by maker and taker. - function marketBuyExactZrxWithWeth( - LibOrder.Order[] memory orders, - uint256 zrxBuyAmount, - bytes[] memory signatures - ) - internal - returns (FillResults memory totalFillResults) - { - // Do nothing if zrxBuyAmount == 0 - if (zrxBuyAmount == 0) { - return totalFillResults; - } - - bytes memory zrxAssetData = ZRX_ASSET_DATA; - bytes memory wethAssetData = WETH_ASSET_DATA; - uint256 zrxPurchased = 0; - - uint256 ordersLength = orders.length; - for (uint256 i = 0; i != ordersLength; i++) { - - // All of these are ZRX/WETH, so we can drop the respective assetData from calldata. - orders[i].makerAssetData = zrxAssetData; - orders[i].takerAssetData = wethAssetData; - - // Calculate the remaining amount of ZRX to buy. - uint256 remainingZrxBuyAmount = safeSub(zrxBuyAmount, zrxPurchased); - - // Convert the remaining amount of ZRX to buy into remaining amount - // of WETH to sell, assuming entire amount can be sold in the current order. - // We round up because the exchange rate computed by fillOrder rounds in favor - // of the Maker. In this case we want to overestimate the amount of takerAsset. - uint256 remainingWethSellAmount = getPartialAmountCeil( - orders[i].takerAssetAmount, - safeSub(orders[i].makerAssetAmount, orders[i].takerFee), // our exchange rate after fees - remainingZrxBuyAmount - ); - - // Attempt to sell the remaining amount of WETH. - FillResults memory singleFillResult = fillOrderNoThrow( - orders[i], - remainingWethSellAmount, - signatures[i] - ); - - // Update amounts filled and fees paid by maker and taker. - addFillResults(totalFillResults, singleFillResult); - zrxPurchased = safeSub(totalFillResults.makerAssetFilledAmount, totalFillResults.takerFeePaid); - - // Stop execution if the entire amount of ZRX has been bought. - if (zrxPurchased >= zrxBuyAmount) { - break; - } - } - - require( - zrxPurchased >= zrxBuyAmount, - "COMPLETE_FILL_FAILED" - ); - return totalFillResults; - } -} diff --git a/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol b/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol deleted file mode 100644 index 11c0147a5..000000000 --- a/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol +++ /dev/null @@ -1,214 +0,0 @@ -/* - - 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; -pragma experimental ABIEncoderV2; - -import "./libs/LibConstants.sol"; -import "./mixins/MWeth.sol"; -import "./mixins/MAssets.sol"; -import "./mixins/MExchangeWrapper.sol"; -import "./interfaces/IForwarderCore.sol"; -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-libs/contracts/libs/LibFillResults.sol"; -import "@0x/contracts-libs/contracts/libs/LibMath.sol"; - - -contract MixinForwarderCore is - LibFillResults, - LibMath, - LibConstants, - MWeth, - MAssets, - MExchangeWrapper, - IForwarderCore -{ - using LibBytes for bytes; - - /// @dev Constructor approves ERC20 proxy to transfer ZRX and WETH on this contract's behalf. - constructor () - public - { - address proxyAddress = EXCHANGE.getAssetProxy(ERC20_DATA_ID); - require( - proxyAddress != address(0), - "UNREGISTERED_ASSET_PROXY" - ); - ETHER_TOKEN.approve(proxyAddress, MAX_UINT); - ZRX_TOKEN.approve(proxyAddress, MAX_UINT); - } - - /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value. - /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract. - /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH). - /// Any ETH not spent will be refunded to sender. - /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. - /// @param signatures Proofs that orders have been created by makers. - /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees. - /// @param feeSignatures Proofs that feeOrders have been created by makers. - /// @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. - /// @return Amounts filled and fees paid by maker and taker for both sets of orders. - function marketSellOrdersWithEth( - LibOrder.Order[] memory orders, - bytes[] memory signatures, - LibOrder.Order[] memory feeOrders, - bytes[] memory feeSignatures, - uint256 feePercentage, - address feeRecipient - ) - public - payable - returns ( - FillResults memory orderFillResults, - FillResults memory feeOrderFillResults - ) - { - // Convert ETH to WETH. - convertEthToWeth(); - - uint256 wethSellAmount; - uint256 zrxBuyAmount; - uint256 makerAssetAmountPurchased; - if (orders[0].makerAssetData.equals(ZRX_ASSET_DATA)) { - // Calculate amount of WETH that won't be spent on ETH fees. - wethSellAmount = getPartialAmountFloor( - PERCENTAGE_DENOMINATOR, - safeAdd(PERCENTAGE_DENOMINATOR, feePercentage), - msg.value - ); - // Market sell available WETH. - // ZRX fees are paid with this contract's balance. - orderFillResults = marketSellWeth( - orders, - wethSellAmount, - signatures - ); - // The fee amount must be deducted from the amount transfered back to sender. - makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid); - } else { - // 5% of WETH is reserved for filling feeOrders and paying feeRecipient. - wethSellAmount = getPartialAmountFloor( - MAX_WETH_FILL_PERCENTAGE, - PERCENTAGE_DENOMINATOR, - msg.value - ); - // Market sell 95% of WETH. - // ZRX fees are payed with this contract's balance. - orderFillResults = marketSellWeth( - orders, - wethSellAmount, - signatures - ); - // Buy back all ZRX spent on fees. - zrxBuyAmount = orderFillResults.takerFeePaid; - feeOrderFillResults = marketBuyExactZrxWithWeth( - feeOrders, - zrxBuyAmount, - feeSignatures - ); - makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount; - } - - // Transfer feePercentage of total ETH spent on primary orders to feeRecipient. - // Refund remaining ETH to msg.sender. - transferEthFeeAndRefund( - orderFillResults.takerAssetFilledAmount, - feeOrderFillResults.takerAssetFilledAmount, - feePercentage, - feeRecipient - ); - - // Transfer purchased assets to msg.sender. - transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased); - } - - /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction. - /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract. - /// Any ETH not spent will be refunded to sender. - /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. - /// @param makerAssetFillAmount Desired amount of makerAsset to purchase. - /// @param signatures Proofs that orders have been created by makers. - /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees. - /// @param feeSignatures Proofs that feeOrders have been created by makers. - /// @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. - /// @return Amounts filled and fees paid by maker and taker for both sets of orders. - function marketBuyOrdersWithEth( - LibOrder.Order[] memory orders, - uint256 makerAssetFillAmount, - bytes[] memory signatures, - LibOrder.Order[] memory feeOrders, - bytes[] memory feeSignatures, - uint256 feePercentage, - address feeRecipient - ) - public - payable - returns ( - FillResults memory orderFillResults, - FillResults memory feeOrderFillResults - ) - { - // Convert ETH to WETH. - convertEthToWeth(); - - uint256 zrxBuyAmount; - uint256 makerAssetAmountPurchased; - 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 = marketBuyExactZrxWithWeth( - orders, - makerAssetFillAmount, - signatures - ); - // The fee amount must be deducted from the amount transfered back to sender. - makerAssetAmountPurchased = safeSub(orderFillResults.makerAssetFilledAmount, orderFillResults.takerFeePaid); - } else { - // Attemp to purchase desired amount of makerAsset. - // ZRX fees are payed with this contract's balance. - orderFillResults = marketBuyExactAmountWithWeth( - orders, - makerAssetFillAmount, - signatures - ); - // Buy back all ZRX spent on fees. - zrxBuyAmount = orderFillResults.takerFeePaid; - feeOrderFillResults = marketBuyExactZrxWithWeth( - feeOrders, - zrxBuyAmount, - feeSignatures - ); - makerAssetAmountPurchased = orderFillResults.makerAssetFilledAmount; - } - - // Transfer feePercentage of total ETH spent on primary orders to feeRecipient. - // Refund remaining ETH to msg.sender. - transferEthFeeAndRefund( - orderFillResults.takerAssetFilledAmount, - feeOrderFillResults.takerAssetFilledAmount, - feePercentage, - feeRecipient - ); - - // Transfer purchased assets to msg.sender. - transferAssetToSender(orders[0].makerAssetData, makerAssetAmountPurchased); - } -} diff --git a/contracts/extensions/contracts/Forwarder/MixinWeth.sol b/contracts/extensions/contracts/Forwarder/MixinWeth.sol deleted file mode 100644 index 25a35f47b..000000000 --- a/contracts/extensions/contracts/Forwarder/MixinWeth.sol +++ /dev/null @@ -1,113 +0,0 @@ -/* - - 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; - -import "@0x/contracts-libs/contracts/libs/LibMath.sol"; -import "./libs/LibConstants.sol"; -import "./mixins/MWeth.sol"; - - -contract MixinWeth is - LibMath, - LibConstants, - MWeth -{ - /// @dev Default payabale function, this allows us to withdraw WETH - function () - public - payable - { - require( - msg.sender == address(ETHER_TOKEN), - "DEFAULT_FUNCTION_WETH_CONTRACT_ONLY" - ); - } - - /// @dev Converts message call's ETH value into WETH. - function convertEthToWeth() - internal - { - require( - msg.value > 0, - "INVALID_MSG_VALUE" - ); - ETHER_TOKEN.deposit.value(msg.value)(); - } - - /// @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 - { - // Ensure feePercentage is less than 5%. - require( - feePercentage <= MAX_FEE_PERCENTAGE, - "FEE_PERCENTAGE_TOO_LARGE" - ); - - // Ensure that no extra WETH owned by this contract has been sold. - uint256 wethSold = safeAdd(wethSoldExcludingFeeOrders, wethSoldForZrx); - require( - wethSold <= msg.value, - "OVERSOLD_WETH" - ); - - // Calculate amount of WETH that hasn't been sold. - uint256 wethRemaining = safeSub(msg.value, wethSold); - - // Calculate ETH fee to pay to feeRecipient. - uint256 ethFee = getPartialAmountFloor( - feePercentage, - PERCENTAGE_DENOMINATOR, - wethSoldExcludingFeeOrders - ); - - // Ensure fee is less than amount of WETH remaining. - require( - ethFee <= wethRemaining, - "INSUFFICIENT_ETH_REMAINING" - ); - - // Do nothing if no WETH remaining - if (wethRemaining > 0) { - // Convert remaining WETH to ETH - ETHER_TOKEN.withdraw(wethRemaining); - - // Pay ETH to feeRecipient - if (ethFee > 0) { - feeRecipient.transfer(ethFee); - } - - // Refund remaining ETH to msg.sender. - uint256 ethRefund = safeSub(wethRemaining, ethFee); - if (ethRefund > 0) { - msg.sender.transfer(ethRefund); - } - } - } -} diff --git a/contracts/extensions/contracts/Forwarder/interfaces/IAssets.sol b/contracts/extensions/contracts/Forwarder/interfaces/IAssets.sol deleted file mode 100644 index cebfd3706..000000000 --- a/contracts/extensions/contracts/Forwarder/interfaces/IAssets.sol +++ /dev/null @@ -1,34 +0,0 @@ -/* - - 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 IAssets { - - /// @dev Withdraws assets from this contract. The contract requires a ZRX balance in order to - /// function optimally, and this function allows the ZRX to be withdrawn by owner. It may also be - /// used to withdraw assets that were accidentally sent to this contract. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of ERC20 token to withdraw. - function withdrawAsset( - bytes assetData, - uint256 amount - ) - external; -} diff --git a/contracts/extensions/contracts/Forwarder/interfaces/IForwarder.sol b/contracts/extensions/contracts/Forwarder/interfaces/IForwarder.sol deleted file mode 100644 index 6ce8a1d31..000000000 --- a/contracts/extensions/contracts/Forwarder/interfaces/IForwarder.sol +++ /dev/null @@ -1,30 +0,0 @@ -/* - - 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; -pragma experimental ABIEncoderV2; - -import "./IForwarderCore.sol"; -import "./IAssets.sol"; - - -// solhint-disable no-empty-blocks -contract IForwarder is - IForwarderCore, - IAssets -{} diff --git a/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol b/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol deleted file mode 100644 index 7f62722e7..000000000 --- a/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol +++ /dev/null @@ -1,80 +0,0 @@ -/* - - 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; -pragma experimental ABIEncoderV2; - -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-libs/contracts/libs/LibFillResults.sol"; - - -contract IForwarderCore { - - /// @dev Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value. - /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract. - /// 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH). - /// Any ETH not spent will be refunded to sender. - /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. - /// @param signatures Proofs that orders have been created by makers. - /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees. - /// @param feeSignatures Proofs that feeOrders have been created by makers. - /// @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. - /// @return Amounts filled and fees paid by maker and taker for both sets of orders. - function marketSellOrdersWithEth( - LibOrder.Order[] memory orders, - bytes[] memory signatures, - LibOrder.Order[] memory feeOrders, - bytes[] memory feeSignatures, - uint256 feePercentage, - address feeRecipient - ) - public - payable - returns ( - LibFillResults.FillResults memory orderFillResults, - LibFillResults.FillResults memory feeOrderFillResults - ); - - /// @dev Attempt to purchase makerAssetFillAmount of makerAsset by selling ETH provided with transaction. - /// Any ZRX required to pay fees for primary orders will automatically be purchased by this contract. - /// Any ETH not spent will be refunded to sender. - /// @param orders Array of order specifications used containing desired makerAsset and WETH as takerAsset. - /// @param makerAssetFillAmount Desired amount of makerAsset to purchase. - /// @param signatures Proofs that orders have been created by makers. - /// @param feeOrders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. Used to purchase ZRX for primary order fees. - /// @param feeSignatures Proofs that feeOrders have been created by makers. - /// @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. - /// @return Amounts filled and fees paid by maker and taker for both sets of orders. - function marketBuyOrdersWithEth( - LibOrder.Order[] memory orders, - uint256 makerAssetFillAmount, - bytes[] memory signatures, - LibOrder.Order[] memory feeOrders, - bytes[] memory feeSignatures, - uint256 feePercentage, - address feeRecipient - ) - public - payable - returns ( - LibFillResults.FillResults memory orderFillResults, - LibFillResults.FillResults memory feeOrderFillResults - ); -} diff --git a/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol b/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol deleted file mode 100644 index 0d2f6e36d..000000000 --- a/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol +++ /dev/null @@ -1,62 +0,0 @@ -/* - - 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; - -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; -import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; -import "@0x/contracts-tokens/contracts/tokens/EtherToken/IEtherToken.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol"; - - -contract LibConstants { - - using LibBytes for bytes; - - bytes4 constant internal ERC20_DATA_ID = bytes4(keccak256("ERC20Token(address)")); - bytes4 constant internal ERC721_DATA_ID = bytes4(keccak256("ERC721Token(address,uint256)")); - uint256 constant internal MAX_UINT = 2**256 - 1; - uint256 constant internal PERCENTAGE_DENOMINATOR = 10**18; - uint256 constant internal MAX_FEE_PERCENTAGE = 5 * PERCENTAGE_DENOMINATOR / 100; // 5% - uint256 constant internal MAX_WETH_FILL_PERCENTAGE = 95 * PERCENTAGE_DENOMINATOR / 100; // 95% - - // solhint-disable var-name-mixedcase - IExchange internal EXCHANGE; - IEtherToken internal ETHER_TOKEN; - IERC20Token internal ZRX_TOKEN; - bytes internal ZRX_ASSET_DATA; - bytes internal WETH_ASSET_DATA; - // solhint-enable var-name-mixedcase - - constructor ( - address _exchange, - bytes memory _zrxAssetData, - bytes memory _wethAssetData - ) - public - { - EXCHANGE = IExchange(_exchange); - ZRX_ASSET_DATA = _zrxAssetData; - WETH_ASSET_DATA = _wethAssetData; - - address etherToken = _wethAssetData.readAddress(16); - address zrxToken = _zrxAssetData.readAddress(16); - ETHER_TOKEN = IEtherToken(etherToken); - ZRX_TOKEN = IERC20Token(zrxToken); - } -} diff --git a/contracts/extensions/contracts/Forwarder/libs/LibForwarderErrors.sol b/contracts/extensions/contracts/Forwarder/libs/LibForwarderErrors.sol deleted file mode 100644 index 7a95b78a0..000000000 --- a/contracts/extensions/contracts/Forwarder/libs/LibForwarderErrors.sol +++ /dev/null @@ -1,34 +0,0 @@ -/* - - 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. - -*/ - -// solhint-disable -pragma solidity ^0.4.24; - - -/// This contract is intended to serve as a reference, but is not actually used for efficiency reasons. -contract LibForwarderErrors { - string constant FEE_PERCENTAGE_TOO_LARGE = "FEE_PROPORTION_TOO_LARGE"; // Provided fee percentage greater than 5%. - string constant INSUFFICIENT_ETH_REMAINING = "INSUFFICIENT_ETH_REMAINING"; // Not enough ETH remaining to pay feeRecipient. - string constant OVERSOLD_WETH = "OVERSOLD_WETH"; // More WETH sold than provided with current message call. - string constant COMPLETE_FILL_FAILED = "COMPLETE_FILL_FAILED"; // Desired purchase amount not completely filled (required for ZRX fees only). - string constant TRANSFER_FAILED = "TRANSFER_FAILED"; // Asset transfer failed. - string constant UNSUPPORTED_ASSET_PROXY = "UNSUPPORTED_ASSET_PROXY"; // Proxy in assetData not supported. - string constant DEFAULT_FUNCTION_WETH_CONTRACT_ONLY = "DEFAULT_FUNCTION_WETH_CONTRACT_ONLY"; // Fallback function may only be used for WETH withdrawals. - string constant INVALID_MSG_VALUE = "INVALID_MSG_VALUE"; // msg.value must be greater than 0. - string constant INVALID_AMOUNT = "INVALID_AMOUNT"; // Amount must equal 1. -} diff --git a/contracts/extensions/contracts/Forwarder/mixins/MAssets.sol b/contracts/extensions/contracts/Forwarder/mixins/MAssets.sol deleted file mode 100644 index 1757b37fb..000000000 --- a/contracts/extensions/contracts/Forwarder/mixins/MAssets.sol +++ /dev/null @@ -1,53 +0,0 @@ -/* - - 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; - -import "../interfaces/IAssets.sol"; - - -contract MAssets is - IAssets -{ - /// @dev Transfers given amount of asset to sender. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of asset to transfer to sender. - function transferAssetToSender( - bytes memory assetData, - uint256 amount - ) - internal; - - /// @dev Decodes ERC20 assetData and transfers given amount to sender. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of asset to transfer to sender. - function transferERC20Token( - bytes memory assetData, - uint256 amount - ) - internal; - - /// @dev Decodes ERC721 assetData and transfers given amount to sender. - /// @param assetData Byte array encoded for the respective asset proxy. - /// @param amount Amount of asset to transfer to sender. - function transferERC721Token( - bytes memory assetData, - uint256 amount - ) - internal; -} diff --git a/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol b/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol deleted file mode 100644 index 143f888b1..000000000 --- a/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol +++ /dev/null @@ -1,87 +0,0 @@ -/* - - 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; -pragma experimental ABIEncoderV2; - -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-libs/contracts/libs/LibFillResults.sol"; - - -contract MExchangeWrapper { - - /// @dev Fills the input order. - /// Returns false if the transaction would otherwise revert. - /// @param order Order struct containing order specifications. - /// @param takerAssetFillAmount Desired amount of takerAsset to sell. - /// @param signature Proof that order has been created by maker. - /// @return Amounts filled and fees paid by maker and taker. - function fillOrderNoThrow( - LibOrder.Order memory order, - uint256 takerAssetFillAmount, - bytes memory signature - ) - internal - returns (LibFillResults.FillResults memory fillResults); - - /// @dev Synchronously executes multiple calls of fillOrder until total amount of WETH has been sold by taker. - /// Returns false if the transaction would otherwise revert. - /// @param orders Array of order specifications. - /// @param wethSellAmount Desired amount of WETH to sell. - /// @param signatures Proofs that orders have been signed by makers. - /// @return Amounts filled and fees paid by makers and taker. - function marketSellWeth( - LibOrder.Order[] memory orders, - uint256 wethSellAmount, - bytes[] memory signatures - ) - internal - returns (LibFillResults.FillResults memory totalFillResults); - - /// @dev Synchronously executes multiple fill orders in a single transaction until total amount is bought by taker. - /// Returns false if the transaction would otherwise revert. - /// The asset being sold by taker must always be WETH. - /// @param orders Array of order specifications. - /// @param makerAssetFillAmount Desired amount of makerAsset to buy. - /// @param signatures Proofs that orders have been signed by makers. - /// @return Amounts filled and fees paid by makers and taker. - function marketBuyExactAmountWithWeth( - LibOrder.Order[] memory orders, - uint256 makerAssetFillAmount, - bytes[] memory signatures - ) - internal - returns (LibFillResults.FillResults memory totalFillResults); - - /// @dev Buys zrxBuyAmount of ZRX fee tokens, taking into account ZRX fees for each order. This will guarantee - /// that at least zrxBuyAmount of ZRX is purchased (sometimes slightly over due to rounding issues). - /// It is possible that a request to buy 200 ZRX will require purchasing 202 ZRX - /// as 2 ZRX is required to purchase the 200 ZRX fee tokens. This guarantees at least 200 ZRX for future purchases. - /// The asset being sold by taker must always be WETH. - /// @param orders Array of order specifications containing ZRX as makerAsset and WETH as takerAsset. - /// @param zrxBuyAmount Desired amount of ZRX to buy. - /// @param signatures Proofs that orders have been created by makers. - /// @return totalFillResults Amounts filled and fees paid by maker and taker. - function marketBuyExactZrxWithWeth( - LibOrder.Order[] memory orders, - uint256 zrxBuyAmount, - bytes[] memory signatures - ) - internal - returns (LibFillResults.FillResults memory totalFillResults); -} diff --git a/contracts/extensions/contracts/Forwarder/mixins/MWeth.sol b/contracts/extensions/contracts/Forwarder/mixins/MWeth.sol deleted file mode 100644 index 15d66942f..000000000 --- a/contracts/extensions/contracts/Forwarder/mixins/MWeth.sol +++ /dev/null @@ -1,41 +0,0 @@ -/* - - 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. - function convertEthToWeth() - internal; - - /// @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; -} diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/BalanceThresholdFilter.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/BalanceThresholdFilter.sol index 16cacd461..b6e14525d 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/BalanceThresholdFilter.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/BalanceThresholdFilter.sol @@ -18,7 +18,7 @@ pragma solidity 0.4.24; -import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; +import "@0x/contracts-exchange/contracts/src/interfaces/IExchange.sol"; import "./interfaces/IThresholdAsset.sol"; import "./MixinBalanceThresholdFilterCore.sol"; diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol index da050bf72..68dabafeb 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol @@ -18,8 +18,8 @@ pragma solidity ^0.4.24; -import "@0x/contracts-libs/contracts/libs/LibExchangeSelectors.sol"; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibExchangeSelectors.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol"; import "./mixins/MBalanceThresholdFilterCore.sol"; import "./MixinExchangeCalldata.sol"; diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/MixinExchangeCalldata.sol index a15e95a9d..f2c0caa57 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/MixinExchangeCalldata.sol @@ -20,7 +20,7 @@ pragma solidity ^0.4.24; import "./mixins/MExchangeCalldata.sol"; -import "@0x/contracts-libs/contracts/libs/LibAddressArray.sol"; +import "@0x/contracts-utils/contracts/src/LibAddressArray.sol"; contract MixinExchangeCalldata is diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol index 4a1bf1fb2..4a1bf1fb2 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/interfaces/IBalanceThresholdFilterCore.sol diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IThresholdAsset.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/interfaces/IThresholdAsset.sol index f78f9c2de..f78f9c2de 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/interfaces/IThresholdAsset.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/interfaces/IThresholdAsset.sol diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol index 074686e8d..1c840136b 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/mixins/MBalanceThresholdFilterCore.sol @@ -18,7 +18,7 @@ pragma solidity ^0.4.24; -import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; +import "@0x/contracts-exchange/contracts/src/interfaces/IExchange.sol"; import "../interfaces/IThresholdAsset.sol"; import "../interfaces/IBalanceThresholdFilterCore.sol"; diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MExchangeCalldata.sol b/contracts/extensions/contracts/src/BalanceThresholdFilter/mixins/MExchangeCalldata.sol index 40536d820..40536d820 100644 --- a/contracts/extensions/contracts/BalanceThresholdFilter/mixins/MExchangeCalldata.sol +++ b/contracts/extensions/contracts/src/BalanceThresholdFilter/mixins/MExchangeCalldata.sol diff --git a/contracts/extensions/contracts/DutchAuction/DutchAuction.sol b/contracts/extensions/contracts/src/DutchAuction/DutchAuction.sol index 9c9f3990a..7631880c0 100644 --- a/contracts/extensions/contracts/DutchAuction/DutchAuction.sol +++ b/contracts/extensions/contracts/src/DutchAuction/DutchAuction.sol @@ -19,11 +19,11 @@ pragma solidity 0.4.24; pragma experimental ABIEncoderV2; -import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol"; -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; -import "@0x/contracts-utils/contracts/utils/SafeMath/SafeMath.sol"; +import "@0x/contracts-exchange/contracts/src/interfaces/IExchange.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol"; +import "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol"; +import "@0x/contracts-utils/contracts/src/LibBytes.sol"; +import "@0x/contracts-utils/contracts/src/SafeMath.sol"; contract DutchAuction is diff --git a/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol b/contracts/extensions/contracts/src/OrderMatcher/MixinAssets.sol index f0f91cfc0..65b36ea65 100644 --- a/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/MixinAssets.sol @@ -18,10 +18,10 @@ pragma solidity ^0.4.24; -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; -import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol"; +import "@0x/contracts-utils/contracts/src/LibBytes.sol"; +import "@0x/contracts-utils/contracts/src/Ownable.sol"; +import "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol"; +import "@0x/contracts-erc721/contracts/src/interfaces/IERC721Token.sol"; import "./mixins/MAssets.sol"; import "./libs/LibConstants.sol"; diff --git a/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol b/contracts/extensions/contracts/src/OrderMatcher/MixinMatchOrders.sol index 1787deb59..baf41f650 100644 --- a/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/MixinMatchOrders.sol @@ -20,9 +20,9 @@ pragma solidity ^0.4.24; pragma experimental ABIEncoderV2; import "./libs/LibConstants.sol"; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-libs/contracts/libs/LibFillResults.sol"; -import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibFillResults.sol"; +import "@0x/contracts-utils/contracts/src/Ownable.sol"; contract MixinMatchOrders is diff --git a/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol b/contracts/extensions/contracts/src/OrderMatcher/OrderMatcher.sol index 4879b7bca..89a7f3c55 100644 --- a/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/OrderMatcher.sol @@ -19,7 +19,7 @@ pragma solidity 0.4.24; pragma experimental ABIEncoderV2; -import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol"; +import "@0x/contracts-utils/contracts/src/Ownable.sol"; import "./libs/LibConstants.sol"; import "./MixinMatchOrders.sol"; import "./MixinAssets.sol"; diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IAssets.sol b/contracts/extensions/contracts/src/OrderMatcher/interfaces/IAssets.sol index 9fcc0023a..9fcc0023a 100644 --- a/contracts/extensions/contracts/OrderMatcher/interfaces/IAssets.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/interfaces/IAssets.sol diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol b/contracts/extensions/contracts/src/OrderMatcher/interfaces/IMatchOrders.sol index 1443c73b9..7e4a88df8 100644 --- a/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/interfaces/IMatchOrders.sol @@ -19,7 +19,7 @@ pragma solidity ^0.4.24; pragma experimental ABIEncoderV2; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol"; contract IMatchOrders { diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IOrderMatcher.sol b/contracts/extensions/contracts/src/OrderMatcher/interfaces/IOrderMatcher.sol index 75f26dca6..5e5125dea 100644 --- a/contracts/extensions/contracts/OrderMatcher/interfaces/IOrderMatcher.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/interfaces/IOrderMatcher.sol @@ -18,7 +18,7 @@ pragma solidity ^0.4.24; -import "@0x/contract-utils/contracts/utils/Ownable/IOwnable.sol"; +import "@0x/contract-utils/contracts/src/interfaces/IOwnable.sol"; import "./IMatchOrders.sol"; import "./IAssets.sol"; diff --git a/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol b/contracts/extensions/contracts/src/OrderMatcher/libs/LibConstants.sol index c1a86a9c7..77b72398f 100644 --- a/contracts/extensions/contracts/OrderMatcher/libs/LibConstants.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/libs/LibConstants.sol @@ -18,7 +18,7 @@ pragma solidity ^0.4.24; -import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; +import "@0x/contracts-exchange/contracts/src/interfaces/IExchange.sol"; contract LibConstants { diff --git a/contracts/extensions/contracts/OrderMatcher/mixins/MAssets.sol b/contracts/extensions/contracts/src/OrderMatcher/mixins/MAssets.sol index 6ea7a3290..6ea7a3290 100644 --- a/contracts/extensions/contracts/OrderMatcher/mixins/MAssets.sol +++ b/contracts/extensions/contracts/src/OrderMatcher/mixins/MAssets.sol diff --git a/contracts/extensions/contracts/OrderValidator/OrderValidator.sol b/contracts/extensions/contracts/src/OrderValidator/OrderValidator.sol index 33dd1326c..3297a980f 100644 --- a/contracts/extensions/contracts/OrderValidator/OrderValidator.sol +++ b/contracts/extensions/contracts/src/OrderValidator/OrderValidator.sol @@ -19,11 +19,11 @@ pragma solidity 0.4.24; pragma experimental ABIEncoderV2; -import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol"; -import "@0x/contracts-libs/contracts/libs/LibOrder.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol"; -import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol"; -import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol"; +import "@0x/contracts-exchange/contracts/src/interfaces/IExchange.sol"; +import "@0x/contracts-exchange-libs/contracts/src/LibOrder.sol"; +import "@0x/contracts-erc20/contracts/src/interfaces/IERC20Token.sol"; +import "@0x/contracts-erc721/contracts/src/interfaces/IERC721Token.sol"; +import "@0x/contracts-utils/contracts/src/LibBytes.sol"; contract OrderValidator { |