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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Delegate {

  address public owner;

  constructor(address _owner) {
    owner = _owner;
  }

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// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "../DamnValuableToken.sol";

/**
 * @title TrusterLenderPool

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    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].

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contract TrusterAttacker {
    TrusterLenderPool public immutable pool;
    ERC20 public immutable token;

    constructor(address _pool, address _token) {
        pool = TrusterLenderPool(_pool);
        token = ERC20(_token);
    }

    function fakeLoan() external {

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    it('Execution', async function () {
        /** CODE YOUR SOLUTION HERE */
        const TrusterAttacker = await ethers.getContractFactory('TrusterAttacker', player);
        attack = await TrusterAttacker.deploy(pool.address,token.address);
        await attack.connect(player).fakeLoan()
    });

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Force {/*

                   MEOW ?
         /\_/\   /
    ____/ o o \
  /~____  =ø= /
 (______)__m_m)

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Destruct {
    constructor() payable {
        
    }

    function destroy(address apocalypse) public {
            selfdestruct(payable(apocalypse));

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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Vault {
  bool public locked;
  bytes32 private password;

  constructor(bytes32 _password) {
    locked = true;
    password = _password;

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➜  evm-puzzles git:(master) ✗ npx hardhat play 
############
# Puzzle 3 #
############

00      36      CALLDATASIZE
01      56      JUMP
02      FD      REVERT
03      FD      REVERT
04      5B      JUMPDEST

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➜  evm-puzzles git:(master) ✗ npx hardhat play
############
# Puzzle 4 #
############

00      34      CALLVALUE
01      38      CODESIZE
02      18      XOR
03      56      JUMP
04      FD      REVERT