Websockets

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

/// @title EventEmitter - Structured events for WebSocket streaming
/// @notice Emit indexed events for efficient WebSocket subscriptions
contract EventEmitter {
    // Indexed events for real-time streaming via WebSockets
    event BlockProcessed(
        uint256 indexed blockNumber,
        bytes32 indexed blockHash,
        uint256 timestamp,
        uint256 gasUsed
    );

    event TransactionDetected(
        bytes32 indexed txHash,
        address indexed from,
        address indexed to,
        uint256 value,
        uint256 gasPrice
    );

    event ContractEvent(
        address indexed contractAddress,
        bytes32 indexed eventSignature,
        bytes data,
        uint256 indexed logIndex
    );

    // Emit block processing event for indexers
    function emitBlockProcessed(
        uint256 _blockNumber,
        bytes32 _blockHash,
        uint256 _gasUsed
    ) external {
        emit BlockProcessed(_blockNumber, _blockHash, block.timestamp, _gasUsed);
    }

    // Emit transaction event for mempool tracking
    function emitTransaction(
        bytes32 _txHash,
        address _from,
        address _to,
        uint256 _value,
        uint256 _gasPrice
    ) external {
        emit TransactionDetected(_txHash, _from, _to, _value, _gasPrice);
    }

    // Emit contract event for log subscriptions
    function emitContractEvent(
        address _contract,
        bytes32 _eventSig,
        bytes calldata _data,
        uint256 _logIndex
    ) external {
        emit ContractEvent(_contract, _eventSig, _data, _logIndex);
    }
}