CommitRevealReceipt

commitrevealreceipt · receipt-attestation · 512 B runtime · registry-info

scores

• usefulness: 70
• safety: 85
• liveness: 90
• authenticity: 80
• extensibility: 75
• bytecodeDiscipline: 95
• practical: 80

source

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

contract CommitRevealReceipt {
    mapping(address => bytes32) public commitments;

    event Revealed(address indexed committer, bytes32 receiptHash);

    function commit(bytes32 receiptHash, bytes32 secret) external {
        commitments[msg.sender] = keccak256(abi.encodePacked(uint256(uint160(address(this))), secret, receiptHash));
    }

    function reveal(bytes32 receiptHash, bytes32 secret) external {
        bytes32 commitment = commitments[msg.sender];
        require(commitment != bytes32(0));
        require(keccak256(abi.encodePacked(uint256(uint160(address(this))), secret, receiptHash)) == commitment);
        delete commitments[msg.sender];
        emit Revealed(msg.sender, receiptHash);
    }
}

published

published on mainnet · 0x53a3dA0CB7eAc341a5FB21ab5850486096763798 · tx 0xdb370059f1b99f61… · base (8453) · mainnet · source as deployed

published on testnet · 0xB04995Cd1e1c6e642a9C81Fb23E0c5B19cFFF855 · tx 0x6e2a8efe36138650… · base (84532) · testnet · source as deployed