sontuphan

// Hash algorithm is Keccak256
// The raw values are 'rock', 'scissors' and 'paper'

var hashOfRock = '10977e4d68108d418408bc9310b60fc6d0a750c63ccef42cfb0ead23ab73d102';
var hashOfScissors = '389a2d4e358d901bfdf22245f32b4b0a401cc16a4b92155a2ee5da98273dad9a';
var hashOfPaper = 'ea923ca2cdda6b54f4fb2bf6a063e5a59a6369ca4c4ae2c4ce02a147b3036a21';

sontuphan

function approvePoL(address _owner, uint _value)
    private
    returns (bool)
{
    address _receiver = getPoL[_owner].receiver;
    bool _success = _receiver.send(_value);
    return _success;
}  

sontuphan

function() payable {
    address _owner = msg.sender;
    uint _value = msg.value;

    require(_value > 0);
    require(isValidPoL(_owner));

    bool _success = approvePoL(_owner, _value);

    if (_success) {

sontuphan

function rejectPoL()
    public
{
    address _owner = msg.sender;
    require(existedPoL(_owner));
    uint _value = getPoL[_owner].deposit;
    bool _success = _owner.send(_value);

    if (_success) {
        getPoL[_owner].receiver = address(0);

sontuphan

function recoverBalance(address _owner)
    public
    payable
{
    require(msg.value > 0);
    require(!existedPoL(_owner));

    address _receiver = msg.sender;
    getPoL[_owner].receiver = _receiver;
    getPoL[_owner].initialBlockNumber = block.number;

sontuphan

pragma solidity ^0.4.17;

contract PoL {

    // Declare variables, structures, mapping functions, events
    struct pol {
        address receiver;
        uint initialBlockNumber;
        uint deposit;
    }