bertil291utn

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.3;

contract SimpleStorage{
    uint256 age;

    struct Humans{
        uint256 age;
        string name;
    }

bertil291utn

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.3;
import "./SimpleStorage.sol";

contract StorageFactory is SimpleStorage{
    SimpleStorage [] public SSArray;
    function createSSContract()public{
        SimpleStorage genSS=new SimpleStorage();
        SSArray.push(genSS);
    }

bertil291utn

// SPDX-License-Identifier: GPL-3.0
//REF: https://github.com/spo0ds/Journey-to-become-a-Blockchain-Engineer
pragma solidity ^0.8.3;
import "./SimpleStorage.sol";

contract ExtraStorage is SimpleStorage{
    function incrementAge(uint256 _age) public override{
        age=_age+1;
    }
}

bertil291utn

// SPDX-License-Identifer: MIT

pragma solidity ^0.8.4;

import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
import "./PriceConverter.sol";

error noOwner();

contract FundMe{

bertil291utn

// SPDX-License-Identifer: MIT

pragma solidity ^0.8.3;

import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";



library PriceConverter{

bertil291utn

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.3;

import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
import "@chainlink/contracts/src/v0.8/VRFConsumerBase.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "hardhat/console.sol";

//TODO: test with hardhat js

bertil291utn

pragma solidity 0.8.10;
import "./Challenge.sol";

contract Attack is Challenge {
    Challenge public challenge;
     address[] public _winners;

    constructor(address _challengeAddress) {
        challenge = Challenge(_challengeAddress);
        // _winners=challenge.winners;

bertil291utn

pragma solidity 0.8.10;

// The goal of this challenge is to be able to sign offchain a message
// with an address stored in winners.
contract Challenge{

    address[] public winners;
    bool lock;

    function exploit_me(address winner) public{

bertil291utn

pragma solidity 0.8.7;
//rinkeby 0x2E772a6488A1592e6eB9d84CfBb7417AF6a039fd
contract ExampleRevert{
 uint256 private init;
    function release_r()public view{
        require(init>100,"Revert error message from SC");
    }
    function release_w()public{
        require(init>100,"Revert error message from SC");
        init=1;

bertil291utn

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "@openzeppelin/contracts@4.7.3/token/ERC20/ERC20.sol";

contract BertilTokens is ERC20 {
    uint256 internal fullAmountTokens = 10000 * 10**decimals();

    constructor(address _claimableToken,address _stakingAddress) ERC20("BertilTokens", "BATL") {
        _mint(_claimableToken, fullAmountTokens);