tinchoabbate

What should you do with the pendrive?

Suppose the conference is over, this pendrive is still in your hands - also that you were not selfish and didn't take it out of circulation before time, depriving the rest to enjoy the experience - and you now wonder what to do with it. Then, I suggest to repurpose it.

Let's turn the flash drive into a key to open a password manager database, but with a few twists ;)

tinchoabbate

Now available at https://theredguild.org/ezines/1.html

tinchoabbate

object \"deploy_test$Test\" {
    code { {
        let $$$size := datasize(\"test$Test\")
        datacopy(0, dataoffset(\"test$Test\"), $$$size)
        return(0, $$$size)
    } }
    object \"test$Test\" {
        code {
            switch and(shr(sub(256, 32), calldataload(0)), 0xffffffff)
            case 0xb120aff2 {

tinchoabbate

    0x0: PUSH1     0x80
    0x2: PUSH1     0x40
    0x4: MSTORE    
    0x5: CALLVALUE 
    0x6: DUP1      
    0x7: ISZERO    
    0x8: PUSH2     0x10
    0xb: JUMPI     
    0xc: PUSH1     0x0
    0xe: DUP1      

tinchoabbate

pragma solidity ^0.6.0;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v3.0.1/contracts/utils/Address.sol";

contract Test {
    using Address for address;
    
    event Log(uint256 result);
    
    function execute() public payable {

tinchoabbate

#!/usr/bin/python3

import sys

if len(sys.argv) != 2 or len(sys.argv[1]) % 2 != 0:
  print('Input missing or does not have even number of chars')
  exit(1)

data = sys.argv[1]
data = data.replace('0x','')

tinchoabbate

pragma solidity ^0.5.0;

import "@gnosis.pm/safe-contracts/contracts/base/Module.sol";
import "@gnosis.pm/safe-contracts/contracts/common/Enum.sol";

/*
 * @notice UNSAFE CODE - DO NOT USE IN PRODUCTION
 */
contract ControllerModule is Module {
    

tinchoabbate

pragma solidity ^0.5.0;

contract Proxy {
    
    address public proxyOwner;
    address public implementation;

    constructor(address implementation) public {
        proxyOwner = msg.sender;
        _setImplementation(implementation);

tinchoabbate

pragma solidity ^0.5.0;

import "openzeppelin-eth/contracts/token/ERC20/ERC20Burnable.sol";
import "openzeppelin-eth/contracts/token/ERC20/ERC20Detailed.sol";
import "zos-lib/contracts/Initializable.sol";

contract BurnableToken is Initializable, ERC20Burnable, ERC20Detailed {

    function initialize(
        string memory name,

tinchoabbate

pragma solidity ^0.5.0;

contract Proxy {
    
    address public proxyOwner;
    address public implementation;

    constructor(address implementation) public {
        proxyOwner = msg.sender;
        _setImplementation(implementation);