contract CoreLiquid {
    // Main protocol contract yang mengatur semua operasi utama
    // - Liquidity provision dan withdrawal
    // - Fee management dan distribution
    // - Integration dengan semua modul lainnya
}

contract RiskManagement {
    // Advanced risk assessment dan monitoring
    // - Real-time VaR calculation
    // - Portfolio risk scoring
    // - Stress testing capabilities
    // - Correlation analysis
}

contract Governance {
    // Decentralized governance system
    // - Proposal creation dan voting
    // - Timelock mechanisms
    // - Multi-signature support
    // - Emergency controls
}

contract VaultManager {
    // Multiple yield optimization strategies
    // - Dynamic allocation algorithms
    // - Risk-adjusted returns
    // - Automated rebalancing
}

function calculateDynamicFee(
    uint256 volatility,
    uint256 liquidity,
    uint256 utilization
) external pure returns (uint256 fee) {
    // Base fee + volatility adjustment + liquidity premium
    fee = baseFee + 
          (volatility * volatilityMultiplier) + 
          (utilizationRate > threshold ? premiumFee : 0);
}

contract LiquidityBridge {
    mapping(uint256 => LiquidityPool) public chainPools;
    
    function bridgeLiquidity(
        uint256 fromChain,
        uint256 toChain,
        uint256 amount
    ) external {
        // Validate cross-chain transfer
        // Update liquidity balances
        // Emit bridge events
    }
}

modifier mevProtection() {
    require(
        block.timestamp > lastTransaction[msg.sender] + minDelay,
        "MEV protection: too frequent"
    );
    require(
        tx.gasprice <= maxGasPrice,
        "MEV protection: gas price too high"
    );
    _;
}

struct RiskLimits {
    uint256 maxPositionSize;     // Maximum position per asset
    uint256 maxConcentration;    // Maximum concentration ratio
    uint256 maxLeverage;         // Maximum leverage allowed
    uint256 maxVaR;              // Maximum VaR threshold
    uint256 minLiquidity;        // Minimum liquidity requirement
}

function performStressTest(
    address[] memory assets,
    int256[] memory shockScenarios
) external view returns (StressTestResult memory) {
    // Apply shock scenarios to portfolio
    // Calculate potential losses
    // Assess liquidity impact
    // Return comprehensive stress test results
}

struct Proposal {
    uint256 id;
    address proposer;
    string description;
    uint256 startTime;
    uint256 endTime;
    uint256 forVotes;
    uint256 againstVotes;
    bool executed;
    mapping(address => bool) hasVoted;
}

contract Timelock {
    uint256 public constant MINIMUM_DELAY = 2 days;
    uint256 public constant MAXIMUM_DELAY = 30 days;
    
    function executeProposal(
        bytes32 proposalId
    ) external {
        require(
            block.timestamp >= proposals[proposalId].executionTime,
            "Timelock: proposal not ready"
        );
        // Execute proposal
    }
}

function rebalancePortfolio() external {
    // Calculate current allocation
    // Determine optimal allocation
    // Execute rebalancing trades
    // Update portfolio weights
    
    for (uint i = 0; i < assets.length; i++) {
        uint256 currentWeight = getCurrentWeight(assets[i]);
        uint256 targetWeight = getTargetWeight(assets[i]);
        
        if (currentWeight != targetWeight) {
            executeRebalance(assets[i], targetWeight - currentWeight);
        }
    }
}

contract AccessControl {
    bytes32 public constant ADMIN_ROLE = keccak256("ADMIN_ROLE");
    bytes32 public constant MANAGER_ROLE = keccak256("MANAGER_ROLE");
    bytes32 public constant OPERATOR_ROLE = keccak256("OPERATOR_ROLE");
    
    modifier onlyRole(bytes32 role) {
        require(hasRole(role, msg.sender), "AccessControl: unauthorized");
        _;
    }
}

contract EmergencyControls {
    bool public emergencyPaused;
    
    modifier whenNotPaused() {
        require(!emergencyPaused, "Emergency: system paused");
        _;
    }
    
    function emergencyPause() external onlyRole(EMERGENCY_ROLE) {
        emergencyPaused = true;
        emit EmergencyPause(block.timestamp);
    }
}

// Liquidity Management
function addLiquidity(address token, uint256 amount) external;
function removeLiquidity(address token, uint256 amount) external;
function swapTokens(address from, address to, uint256 amount) external;

// Risk Management
function assessRisk(address user) external view returns (RiskProfile memory);
function calculateVaR(address[] memory assets) external view returns (uint256);

// Governance
function createProposal(string memory description) external returns (uint256);
function vote(uint256 proposalId, bool support) external;
function executeProposal(uint256 proposalId) external;

// Vault Operations
function deposit(uint256 vaultId, uint256 amount) external;
function withdraw(uint256 vaultId, uint256 amount) external;
function harvest(uint256 vaultId) external;

event LiquidityAdded(address indexed user, address indexed token, uint256 amount);
event RiskAlert(address indexed asset, string alertType, uint256 severity);
event ProposalCreated(uint256 indexed proposalId, address indexed proposer);
event VaultDeposit(uint256 indexed vaultId, address indexed user, uint256 amount);