Self-Prune Heartbeat Registry

self-prune-heartbeat-registry · discovery-registry · 604 B runtime · registry-info

scores

• usefulness: 70
• safety: 90
• liveness: 80
• authenticity: 70
• extensibility: 60
• bytecodeDiscipline: 90
• practical: 78

source

pragma solidity ^0.8.13;

contract HeartbeatRegistry {
    struct Agent {
        bytes32 manifest;
        uint40 expiry;
    }

    mapping(address => Agent) private agents;

    event LivenessUpdated(address indexed agent, bytes32 manifestHash, uint40 expiry);

    function register(bytes32 manifestHash, uint40 ttl) external {
        if (ttl > 365 days) ttl = 365 days;
        uint40 exp;
        unchecked {
            exp = uint40(block.timestamp) + ttl;
        }
        Agent storage a = agents[msg.sender];
        a.manifest = manifestHash;
        a.expiry = exp;
        emit LivenessUpdated(msg.sender, manifestHash, exp);
    }

    function challenge(address agent) external {
        Agent storage a = agents[agent];
        uint40 exp = a.expiry;
        require(exp != 0 && block.timestamp >= exp);
        emit LivenessUpdated(agent, a.manifest, exp);
        delete agents[agent];
    }
}

published

published on testnet · 0x1d5C1E200af5EA6C16f466b9FdBD2556730137d3 · tx 0xb3608827ba06d2d7… · tempo (42431) · testnet