42 lines
1.2 KiB
Solidity
42 lines
1.2 KiB
Solidity
// SPDX-License-Identifier: UNLICENSED
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pragma solidity =0.7.6;
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import '../interfaces/IERC20Minimal.sol';
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import '../interfaces/callback/IUniswapV3SwapCallback.sol';
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import '../interfaces/IUniswapV3Pool.sol';
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contract TestUniswapV3SwapPay is IUniswapV3SwapCallback {
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function swap(
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address pool,
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address recipient,
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bool zeroForOne,
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uint160 sqrtPriceX96,
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int256 amountSpecified,
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uint256 pay0,
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uint256 pay1
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) external {
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IUniswapV3Pool(pool).swap(
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recipient,
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zeroForOne,
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amountSpecified,
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sqrtPriceX96,
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abi.encode(msg.sender, pay0, pay1)
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);
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}
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function uniswapV3SwapCallback(
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int256,
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int256,
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bytes calldata data
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) external override {
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(address sender, uint256 pay0, uint256 pay1) = abi.decode(data, (address, uint256, uint256));
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if (pay0 > 0) {
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IERC20Minimal(IUniswapV3Pool(msg.sender).token0()).transferFrom(sender, msg.sender, uint256(pay0));
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} else if (pay1 > 0) {
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IERC20Minimal(IUniswapV3Pool(msg.sender).token1()).transferFrom(sender, msg.sender, uint256(pay1));
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}
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}
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}
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