Args:
        data: Data to encode (string)
        encoding: Encoding for the data ('utf-8', 'hex'). Default: 'utf-8'

    Returns:
        Dictionary with 'script_hex' containing the OP_RETURN script.
    

    Args:
        script_hex: OP_RETURN script as hex string

    Returns:
        Dictionary with 'data_hex' and 'data_utf8' (if decodable).
    

    This prepares the data for inclusion in a transaction but does not
    create or broadcast the transaction itself.

    Args:
        data: Data to embed
        encoding: Data encoding ('utf-8' or 'hex')
        use_envelope: Whether to wrap in BTCD envelope format
        envelope_type: Envelope type if use_envelope is True
            ('raw', 'text', 'json', 'hash', 'token', 'file')

    Returns:
        Dictionary with 'script_hex' for the OP_RETURN output.
    

    Args:
        data_hex: Hex-encoded envelope data

    Returns:
        Dictionary with envelope fields: magic, version, type, payload_hex.
    

    Returns:
        Dictionary with node information including connection status,
        network, block height, and version.
    

    Args:
        min_confirmations: Minimum confirmations required (default: 1)
        min_amount: Minimum UTXO amount in BTC (default: 0.0)

    Returns:
        Dictionary with list of UTXOs.
    

    Args:
        tx_hex: Signed transaction as hex string
        dry_run: If True, only test without broadcasting (default: True)
        max_fee_rate: Maximum fee rate in BTC/kB (optional)

    Returns:
        Dictionary with result. For dry_run, includes 'allowed' status.
        For actual broadcast, includes 'txid'.
    

    Args:
        txid: Transaction ID (hash)

    Returns:
        Dictionary with transaction details.
    

    Note: This is a placeholder that will require additional implementation
    for block scanning. Currently returns an error indicating the feature
    requires direct block access.

    Args:
        start_height: Starting block height
        end_height: Ending block height (optional, defaults to start_height)
        limit: Maximum number of results (default: 100)

    Returns:
        Dictionary with found OP_RETURN transactions.
    

    Args:
        tick: Token ticker (exactly 4 characters)
        max_supply: Maximum token supply
        mint_limit: Maximum amount per mint (optional)
        decimals: Token decimals (default: 18)

    Returns:
        Dictionary with inscription data in various formats.
    

    Args:
        tick: Token ticker (exactly 4 characters)
        amount: Amount to mint

    Returns:
        Dictionary with inscription data in various formats.
    

    Args:
        tick: Token ticker (exactly 4 characters)
        amount: Amount to transfer

    Returns:
        Dictionary with inscription data in various formats.
    

    Args:
        content: Document content
        content_type: MIME type of the content (default: 'text/plain')
        encoding: Content encoding ('utf-8' or 'hex')

    Returns:
        Dictionary with prepared document data for embedding.
    

    Args:
        data_hex: Hex-encoded document data (from OP_RETURN)

    Returns:
        Dictionary with parsed document content.
    

    Args:
        data: Data to timestamp
        encoding: Data encoding ('utf-8' or 'hex')
        hash_algorithm: Hash algorithm to use ('sha256', 'sha3_256')

    Returns:
        Dictionary with hash and prepared script for embedding.
    

    Args:
        data: Original data to verify
        expected_hash: Expected hash value (hex)
        encoding: Data encoding ('utf-8' or 'hex')
        hash_algorithm: Hash algorithm used ('sha256', 'sha3_256')

    Returns:
        Dictionary with verification result.