from multiversx_sdk.core import (
Address,
TransactionEvent,
TransactionOnNetwork,
find_events_by_identifier,
)
from multiversx_sdk.core.config import LibraryConfig
from multiversx_sdk.core.errors import ParseTransactionOnNetworkError
from multiversx_sdk.delegation.delegation_transactions_outcome_parser_types import (
CreateNewDelegationContractOutcome,
)
[docs]
class DelegationTransactionsOutcomeParser:
def __init__(self) -> None:
pass
[docs]
def parse_create_new_delegation_contract(
self, transaction: TransactionOnNetwork
) -> list[CreateNewDelegationContractOutcome]:
self._ensure_no_error(transaction.logs.events)
events = find_events_by_identifier(transaction, "SCDeploy")
return [CreateNewDelegationContractOutcome(self._extract_contract_address(event)) for event in events]
def _ensure_no_error(self, transaction_events: list[TransactionEvent]) -> None:
for event in transaction_events:
if event.identifier == "signalError":
data = event.additional_data[0].decode()[1:] if len(event.additional_data[0]) else ""
message = event.topics[1].decode()
raise ParseTransactionOnNetworkError(
f"encountered signalError: {message} ({bytes.fromhex(data).decode()})"
)
def _extract_contract_address(self, event: TransactionEvent) -> Address:
if not event.topics[0]:
raise Exception("No topic found for contract address")
return Address(event.topics[0], LibraryConfig.default_address_hrp)