Guess the secret numberpragma 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); } } ...

Guess the secret numberpragma 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); } } ...