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diff --git a/packages/contracts/src/2.0.0/forwarder/interfaces/IForwarderCore.sol b/packages/contracts/src/2.0.0/forwarder/interfaces/IForwarderCore.sol
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--- a/packages/contracts/src/2.0.0/forwarder/interfaces/IForwarderCore.sol
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@@ -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 "../../protocol/Exchange/libs/LibOrder.sol";
-import "../../protocol/Exchange/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
- );
-}