70 lines
2.3 KiB
Solidity
70 lines
2.3 KiB
Solidity
// SPDX-License-Identifier: Apache-2.0
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/*
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Copyright 2023 ZeroEx Intl.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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pragma solidity ^0.6.5;
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pragma experimental ABIEncoderV2;
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import "@0x/contracts-erc20/src/v06/LibERC20TokenV06.sol";
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import "@0x/contracts-erc20/src/IERC20Token.sol";
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interface IVelodromeV2Router {
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struct Route {
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address from;
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address to;
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bool stable;
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address factory;
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}
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/// @notice Swap one token for another
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/// @param amountIn Amount of token in
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/// @param amountOutMin Minimum amount of desired token received
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/// @param routes Array of trade routes used in the swap
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/// @param to Recipient of the tokens received
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/// @param deadline Deadline to receive tokens
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/// @return amounts Array of amounts returned per route
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function swapExactTokensForTokens(
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uint256 amountIn,
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uint256 amountOutMin,
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Route[] calldata routes,
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address to,
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uint256 deadline
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) external returns (uint256[] memory amounts);
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}
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contract MixinVelodromeV2 {
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using LibERC20TokenV06 for IERC20Token;
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function _tradeVelodromeV2(
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IERC20Token sellToken,
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uint256 sellAmount,
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bytes memory bridgeData
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) internal returns (uint256 boughtAmount) {
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(IVelodromeV2Router router, IVelodromeV2Router.Route[] memory routes) = abi.decode(
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bridgeData,
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(IVelodromeV2Router, IVelodromeV2Router.Route[])
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);
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sellToken.approveIfBelow(address(router), sellAmount);
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uint256[] memory amounts = router.swapExactTokensForTokens(
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sellAmount,
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1,
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routes,
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address(this),
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block.timestamp + 1
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);
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return amounts[amounts.length - 1];
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}
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}
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