wadealexc

pragma solidity ^0.5.0;

library LibError {

    function err(address sender, uint amt, string memory password) public pure returns (string memory errMessage) {
        return string(abi.encodePacked("Call failed, please try again:: ", sender, amt, password));
    }
}

contract Auth {

wadealexc

Keybase proof

I hereby claim:

• I am wadealexc on github.
• I am wadealexc (https://keybase.io/wadealexc) on keybase.
• I have a public key ASDJ0x7qstpcrBfn9UxO_uDuVFwKfA9TsEDkToDX-bO7-wo

To claim this, I am signing this object:

wadealexc

pragma solidity ^0.4.24;

contract ERC20_Utility {
  function transfer(address _sender, address _to, uint _amt) external returns (bool);
}

contract RegisterAccount {

  // Maps addresses to registry status
  mapping (address => bool) public registered;

wadealexc

pragma solidity ^0.4.24;

contract Proxy {

	// Default delegatecall target
	address destination;

	/**
	 * @dev Constructor. Sets the default destination
	 * @param _dest The address to which this contract will forward execution

wadealexc

pragma solidity ^0.4.24;

library SafeMath {

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b <= a);
    uint256 c = a - b;

    return c;
  }

wadealexc

pragma solidity ^0.4.24;

contract DMIBLog {
    //because gas price
    //event MIBLog(bytes4 indexed sig, address indexed sender, uint _value, bytes _call4) anonymous;
    event MIBLog(bytes4 indexed sig, address indexed sender, uint _value) anonymous;

    modifier mlog {
        //emit MIBLog(msg.sig, msg.sender, msg.value, msg.data);
        emit MIBLog(msg.sig, msg.sender, msg.value);

wadealexc

pragma solidity ^0.4.23;

contract Solver {
    
    bytes4 internal constant SEL = bytes4(keccak256('Set(uint256)'));
    
    function execute(address) public pure {
        // constants are not accessible in assembly
        bytes4 sel = SEL;
        assembly {

wadealexc

pragma solidity ^0.4.23;

contract Calldata {
    
    // Alters the values on the stack for _a and _b, and returns values not located in calldata
    function ignoreCalldata(address _a, bytes memory _b) public view returns (address, bytes memory) {
        _a = address(this);
        _b = new bytes(5);
        _b[0] = 0xaa;
        _b[4] = 0xdd;

wadealexc

pragma solidity ^0.4.23;

contract Soln1 {
  
  address public owner;
  
  function execute(address) public {
    owner = msg.sender;
  }
}

wadealexc

pragma solidity ^0.4.23;

contract Attacker {
    
    address public owner;
    
    function () public {
        owner = msg.sender;
        msg.sender.transfer(address(this).balance);
    }