def delete_transactions(conn, txn_ids):
    """Delete transactions from database

    Args:
        txn_ids (list): list of transaction ids

    Returns:
        The result of the operation.
    """

    raise NotImplementedError
Delete transactions from database

Args:
txn_ids (list): list of transaction ids

Returns:
The result of the operation.
bigchaindb/backend/query.py