The Ternary Logic Smart Contract Execution Layer

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

contract TernaryLogicSystem {
    // Define the three operational states using an enum
    enum TernaryState {
        Proceed,        // Represents the (+1) state
        EpistemicHold,  // Represents the (0) state
        Refuse          // Represents the (-1) state
    }

    // Struct to represent a transaction with state
    struct Transaction {
        uint256 id;
        address initiator;
        uint256 amount;
        TernaryState state;
        uint256 holdDeadline;
        bytes32 justificationHash;
    }

    // State management
    mapping(uint256 => Transaction) public transactions;
    uint256 public transactionCount;

    // Event for state changes (Immutable Ledger)
    event DecisionLog(
        uint256 indexed decisionId,
        address indexed initiator,
        TernaryState previousState,
        TernaryState newState,
        bytes32 justificationHash,
        uint256 timestamp,
        string reason
    );

    // Create new transaction in Proceed state
    function createTransaction(
        uint256 amount,
        bytes32 justificationHash
    ) public returns (uint256) {
        transactionCount++;
        uint256 newId = transactionCount;
        
        transactions[newId] = Transaction({
            id: newId,
            initiator: msg.sender,
            amount: amount,
            state: TernaryState.Proceed,
            holdDeadline: 0,
            justificationHash: justificationHash
        });

        emit DecisionLog(
            newId,
            msg.sender,
            TernaryState.Proceed,
            TernaryState.Proceed,
            justificationHash,
            block.timestamp,
            "Transaction created"
        );
        
        return newId;
    }
}

// Modifier implementing Epistemic Hold logic
modifier checkForHold(uint256 transactionId) {
    Transaction storage txn = transactions[transactionId];
    require(txn.state == TernaryState.Proceed, "Transaction not active");

    // Check for stale price data
    if (block.timestamp - lastPriceUpdateTime > PRICE_STALENESS_THRESHOLD) {
        txn.state = TernaryState.EpistemicHold;
        txn.holdDeadline = block.timestamp + HOLD_DURATION;
        
        emit DecisionLog(
            transactionId,
            TernaryState.Proceed,
            TernaryState.EpistemicHold,
            txn.justificationHash,
            block.timestamp,
            "Stale price data - Entering Epistemic Hold"
        );
        return;
    }

    // Check for high volatility
    uint256 priceChange = getPriceChangePercent();
    if (priceChange > VOLATILITY_THRESHOLD) {
        txn.state = TernaryState.EpistemicHold;
        txn.holdDeadline = block.timestamp + HOLD_DURATION;
        
        emit DecisionLog(
            transactionId,
            TernaryState.Proceed,
            TernaryState.EpistemicHold,
            txn.justificationHash,
            block.timestamp,
            "High volatility - Entering Epistemic Hold"
        );
        return;
    }
    
    _;
}

// Ambiguity gate implementing Goukassian Principle
function processOracleUpdate(
    uint256 newPrice,
    uint256 oracleTimestamp,
    uint256 transactionId
) public {
    Transaction storage txn = transactions[transactionId];
    
    // Default to Hold in presence of ambiguity
    if (block.timestamp - oracleTimestamp > 1 hours) {
        // Price is stale - default to Hold
        transitionToHold(transactionId, "Stale oracle data");
        return;
    }
    
    if (newPrice == 0 || newPrice > MAX_REASONABLE_PRICE) {
        // Price is invalid - default to Hold
        transitionToHold(transactionId, "Invalid price data");
        return;
    }
    
    // Only proceed if no ambiguity detected
    continueTransaction(transactionId, newPrice);
}

function transitionToHold(uint256 transactionId, string memory reason) internal {
    Transaction storage txn = transactions[transactionId];
    TernaryState previousState = txn.state;
    
    txn.state = TernaryState.EpistemicHold;
    txn.holdDeadline = block.timestamp + 1 days;
    
    emit DecisionLog(
        transactionId,
        previousState,
        TernaryState.EpistemicHold,
        txn.justificationHash,
        block.timestamp,
        reason
    );
}