70 lines
2.1 KiB
Solidity
70 lines
2.1 KiB
Solidity
/*
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Copyright 2020 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/contracts/src/v06/IERC20TokenV06.sol";
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import "../src/vendor/v3/IERC20Bridge.sol";
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contract TestBridge is
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IERC20Bridge
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{
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IERC20TokenV06 public immutable xAsset;
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IERC20TokenV06 public immutable yAsset;
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constructor(IERC20TokenV06 xAsset_, IERC20TokenV06 yAsset_)
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public
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{
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xAsset = xAsset_;
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yAsset = yAsset_;
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}
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/// @dev Transfers `amount` of the ERC20 `tokenAddress` from `from` to `to`.
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/// @param tokenAddress The address of the ERC20 token to transfer.
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/// @param from Address to transfer asset from.
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/// @param to Address to transfer asset to.
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/// @param amount Amount of asset to transfer.
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/// @param bridgeData Arbitrary asset data needed by the bridge contract.
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/// @return success The magic bytes `0xdc1600f3` if successful.
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function bridgeTransferFrom(
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address tokenAddress,
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address from,
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address to,
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uint256 amount,
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bytes calldata bridgeData
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)
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external
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override
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returns (bytes4 success)
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{
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IERC20TokenV06 takerToken = tokenAddress == address(xAsset) ? yAsset : xAsset;
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uint256 takerTokenBalance = takerToken.balanceOf(address(this));
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emit ERC20BridgeTransfer(
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address(takerToken),
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tokenAddress,
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takerTokenBalance,
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amount,
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from,
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to
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);
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return 0xdecaf000;
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}
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}
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