Mutual Manifest Registry

mutual-manifest-registry · discovery-registry · 737 B runtime · registry-info

scores

• usefulness: 82
• safety: 90
• liveness: 90
• authenticity: 80
• extensibility: 72
• bytecodeDiscipline: 95
• practical: 86

source

pragma solidity ^0.8.13;

contract MutualManifestRegistry {
    mapping(address => mapping(bytes32 => bytes32)) private intents;

    event Declaration(address indexed declaree, bytes32 indexed topic, bytes32 manifestHash);
    event Link(address indexed a, address indexed b, bytes32 indexed topic, bytes32 manifestHash);

    function declare(bytes32 topic, bytes32 manifestHash) external {
        require(manifestHash != bytes32(0), "zero");
        intents[msg.sender][topic] = manifestHash;
        emit Declaration(msg.sender, topic, manifestHash);
    }

    function undeclare(bytes32 topic) external {
        delete intents[msg.sender][topic];
        emit Declaration(msg.sender, topic, bytes32(0));
    }

    function connect(bytes32 topic, address peer) external {
        bytes32 h = intents[msg.sender][topic];
        require(h != 0 && h == intents[peer][topic], "no link");
        emit Link(msg.sender, peer, topic, h);
    }
}

published

published on testnet · 0xe5D9f992220A52df94CB544839F8110e3a894035 · tx 0x592a3f01421dd5f6… · tempo (42431) · testnet