def _maybe_schedule_ethereum_txreceipts(self) -> None:
"""Schedules the ethereum transaction receipts query task
The DB check happens first here to see if scheduling would even be needed.
But the DB query will happen again inside the query task while having the
lock acquired.
"""
dbethtx = DBEthTx(self.database)
hash_results = dbethtx.get_transaction_hashes_no_receipt(
tx_filter_query=None, limit=TX_RECEIPTS_QUERY_LIMIT) # noqa: E501
if len(hash_results) == 0:
return
task_name = f'Query {len(hash_results)} ethereum transactions receipts'
log.debug(f'Scheduling task to {task_name}')
self.greenlet_manager.spawn_and_track(
after_seconds=None,
task_name=task_name,
exception_is_error=True,
method=self.eth_transactions.
get_receipts_for_transactions_missing_them,
limit=TX_RECEIPTS_QUERY_LIMIT,
)
def get_receipts_for_transactions_missing_them(self,
limit: Optional[int] = None
) -> None:
"""
Searches the database for up to `limit` transactions that have no corresponding receipt
and for each one of them queries the receipt and saves it in the DB.
It's protected by a lock to not enter the same code twice
(i.e. from periodic tasks and from pnl report history events gathering)
"""
with self.missing_receipts_lock:
dbethtx = DBEthTx(self.database)
hash_results = dbethtx.get_transaction_hashes_no_receipt(
tx_filter_query=None,
limit=limit,
)
if len(hash_results) == 0:
return # nothing to do
for entry in hash_results:
tx_receipt_data = self.ethereum.get_transaction_receipt(
tx_hash=entry)
dbethtx.add_receipt_data(tx_receipt_data)
