Consensus Mechanism

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract ProofOfEngagement {
    struct Validator {
        uint256 validatorEngagement;
        uint256 communityParticipation;
        uint256 networkSupport;
        uint256 totalStake;
        bool isActive;
    }

    mapping(address => Validator) public validators;
    uint256 public constant LAMBDA1 = 50; // 0.5 in percentage
    uint256 public constant LAMBDA2 = 30; // 0.3 in percentage
    uint256 public constant LAMBDA3 = 20; // 0.2 in percentage

    event EngagementScoreUpdated(
        address indexed validator,
        uint256 newScore
    );

    function calculateEngagementScore(address validator) 
        public 
        view 
        returns (uint256) 
    {
        Validator memory v = validators[validator];
        require(v.isActive, "Validator not active");

        uint256 score = 
            (v.validatorEngagement * LAMBDA1 +
             v.communityParticipation * LAMBDA2 +
             v.networkSupport * LAMBDA3) / 100;

        return score;
    }

    function updateMetrics(
        address validator,
        uint256 _validatorEngagement,
        uint256 _communityParticipation,
        uint256 _networkSupport
    ) external {
        // Update engagement metrics
        validators[validator].validatorEngagement = _validatorEngagement;
        validators[validator].communityParticipation = _communityParticipation;
        validators[validator].networkSupport = _networkSupport;

        uint256 newScore = calculateEngagementScore(validator);
        emit EngagementScoreUpdated(validator, newScore);
    }

    // Additional implementation details...
}