Created
April 14, 2018 15:58
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Guess the secret number - capturetheether.com
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| pragma solidity ^0.4.21; | |
| contract GuessTheSecretNumberChallenge { | |
| bytes32 answerHash = 0xdb81b4d58595fbbbb592d3661a34cdca14d7ab379441400cbfa1b78bc447c365; | |
| function GuessTheSecretNumberChallenge() public payable { | |
| require(msg.value == 1 ether); | |
| } | |
| function isComplete() public view returns (bool) { | |
| return address(this).balance == 0; | |
| } | |
| function guess(uint8 n) public payable { | |
| require(msg.value == 1 ether); | |
| if (keccak256(n) == answerHash) { | |
| msg.sender.transfer(2 ether); | |
| } | |
| } | |
| } |
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