Georgi87

contract PaymentHub {

    uint256 public constant CHALLENGE_PERIOD = 7 days;

    address public paymentHubOwner;
    mapping(address => uint256) public balances;
    mapping(address => uint256) public withdrawRequests;

    function PaymentHub(address _paymentHubOwner)
        public

Georgi87

contract Token {

    function transfer(address to, uint value) public returns (bool);
    function transferFrom(address from, address to, uint value) public returns (bool);
}

contract DutchExchange {

    event SellOrderSubmission(address sender, uint amount, Token sellToken, Token buyToken, uint startDate);
    event SellOrderCancellation(address sender, uint amount, Token sellToken, Token buyToken, uint startDate);

Georgi87

pragma solidity 0.4.10;


contract Token {
    function transfer(address to, uint256 value) returns (bool success);
    function balanceOf(address owner) constant returns (uint256 balance);
}


contract IOU {

Georgi87

pragma solidity ^0.4.10;


/// @title Payroll contract - Allows employees to receive salary payments and to cash checks.
/// @author Stefan George - <[email protected]>
contract Payroll {

    event EmployeeAddition(address indexed employee, uint startDate, uint endDate, uint yearlyUSDSalary);
    event EmployeeDeletion(address indexed employee);
    event PayoutSalary(address indexed employee, uint amount, uint ethPrice);

Georgi87

pragma solidity 0.4.4;
import "StandardToken.sol";


contract ReceiptToken is StandardToken {

    address owner;

    modifier isOwner() {
        if (msg.sender != owner)

Georgi87

pragma solidity 0.4.9;

contract Leaderboard {
    mapping (uint => User) leaderboard;
    
    struct User {
        address user;
        uint score;
    }
    

Georgi87

pragma solidity ^0.4.0;


/// @title Standard token contract - Standard token interface implementation.
contract StandardToken {

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);

    mapping (address => uint256) balances;

Georgi87

pragma solidity ^0.4.0;
import "Tokens/AbstractToken.sol";


/// @title Standard token contract - Standard token interface implementation.
contract StandardToken is Token {

    /*
     *  Data structures
     */

Georgi87

pragma solidity ^0.4.0;

/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.
/// @author Stefan George - <[email protected]>
contract MultiSigWallet {

    event Confirmation(address sender, bytes32 transactionHash);
    event Revocation(address sender, bytes32 transactionHash);
    event Submission(address sender, bytes32 transactionHash);
    event Execution(address sender, bytes32 transactionHash);

Georgi87

pragma solidity ^0.4.0;

contract Token {
    function transfer(address to, uint256 value) returns (bool);
    function transferFrom(address from, address to, uint256 value) returns (bool);
}

/// @title State Channel contract - Allows multiple parties to settle off-chain transactions.
/// @author Stefan George - <[email protected]>
contract StateChannelProxy {