def _wait_for_final_transaction_outcome(transaction_hash: str,
client: Client) -> Response:
"""
The core logic of reliable submission. Polls the ledger until the result of the
transaction can be considered final, meaning it has either been included in a
validated ledger, or the transaction's lastLedgerSequence has been surpassed by the
latest ledger sequence (meaning it will never be included in a validated ledger).
"""
sleep(_LEDGER_CLOSE_TIME)
# new persisted transaction
# query transaction by hash
transaction_response = get_transaction_from_hash(transaction_hash, client)
result = cast(Dict[str, Any], transaction_response.result)
if "validated" in result and result["validated"]:
# result is in a validated ledger, outcome is final
return transaction_response
last_ledger_sequence = result["LastLedgerSequence"]
latest_ledger_sequence = get_latest_validated_ledger_sequence(client)
if last_ledger_sequence > latest_ledger_sequence:
# outcome is not yet final
return _wait_for_final_transaction_outcome(transaction_hash, client)
raise XRPLReliableSubmissionException(
f"The latest ledger sequence {latest_ledger_sequence} is greater than the "
f"last ledger sequence {last_ledger_sequence} in the transaction.")
def _autofill_transaction(transaction: Transaction, client: Client) -> Transaction:
transaction_json = transaction.to_dict()
if "sequence" not in transaction_json:
sequence = get_next_valid_seq_number(transaction_json["account"], client)
transaction_json["sequence"] = sequence
if "fee" not in transaction_json:
transaction_json["fee"] = _calculate_fee_per_transaction_type(
transaction, client
)
if "last_ledger_sequence" not in transaction_json:
ledger_sequence = get_latest_validated_ledger_sequence(client)
transaction_json["last_ledger_sequence"] = ledger_sequence + _LEDGER_OFFSET
return Transaction.from_dict(transaction_json)