b46eeadc64
* Refactor Multiplex into multiple files * Pull UniswapV3 into separate file * Add support for multihop nested within batch sell * Add useSelfBalance and recipient to _fillRfqOrder * Expose onlySelf variant in UniswapV3Feature for Multiplex * Add useSelfBalance and recipient to _transformERC20 * Add support for proportional fill amounts in batchSell * Comments and renaming * Unit tests * Use caps for immutables * Rename taker -> recipient in TransformContext and SettleOrderInfo * lint * Address nits * Swallow reverts for LiquidityProvider and UniswapV2 batch sells * Address spot-check findings (#279) * Check didSucceed in _callWithOptionalBooleanResult * Add takerToken=ETH support to OtcOrdersFeature (#287) * Add takerToken=ETH support to OtcOrdersFeature * Add batchFillTakerSignedOtcOrders * Add support for OTC to Multiplex * Address PR feedback * Update TransformERC20Feature (#303) * remove multiplex_utils * Update changelog * unbreak tests
94 lines
2.8 KiB
Solidity
94 lines
2.8 KiB
Solidity
// SPDX-License-Identifier: Apache-2.0
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/*
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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/transformers/IERC20Transformer.sol";
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import "../src/transformers/LibERC20Transformer.sol";
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import "./TestMintableERC20Token.sol";
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contract TestMintTokenERC20Transformer is
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IERC20Transformer
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{
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struct TransformData {
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IERC20TokenV06 inputToken;
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TestMintableERC20Token outputToken;
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uint256 burnAmount;
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uint256 mintAmount;
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uint256 feeAmount;
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}
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event MintTransform(
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address context,
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address caller,
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address sender,
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address taker,
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bytes data,
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uint256 inputTokenBalance,
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uint256 ethBalance
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);
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function transform(TransformContext calldata context)
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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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TransformData memory data = abi.decode(context.data, (TransformData));
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emit MintTransform(
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address(this),
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msg.sender,
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context.sender,
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context.recipient,
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context.data,
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LibERC20Transformer.isTokenETH(data.inputToken)
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? address(this).balance
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: data.inputToken.balanceOf(address(this)),
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address(this).balance
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);
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// "Burn" input tokens.
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if (LibERC20Transformer.isTokenETH(data.inputToken)) {
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address(0).transfer(data.burnAmount);
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} else {
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data.inputToken.transfer(address(0), data.burnAmount);
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}
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// Mint output tokens.
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if (!LibERC20Transformer.isTokenETH(IERC20TokenV06(address(data.outputToken)))) {
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if (data.feeAmount > data.mintAmount) {
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data.outputToken.burn(
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context.recipient,
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data.feeAmount - data.mintAmount
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);
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} else {
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data.outputToken.mint(
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address(this),
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data.mintAmount
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);
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data.outputToken.burn(
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context.recipient,
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data.feeAmount
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);
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}
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}
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return LibERC20Transformer.TRANSFORMER_SUCCESS;
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}
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}
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