def create_txs_service_msg(
transaction_service: TransactionService,
tx_service_snap: List[Sha256Hash],
sync_tx_content: bool = True) -> List[TxContentShortIds]:
task_start = time.time()
txs_content_short_ids: List[TxContentShortIds] = []
txs_msg_len = 0
while tx_service_snap:
transaction_key = transaction_service.get_transaction_key(
tx_service_snap.pop())
short_ids = list(
transaction_service.get_short_ids_by_key(transaction_key))
if sync_tx_content:
tx_content = transaction_service.get_transaction_by_key(
transaction_key)
else:
tx_content = bytearray(0)
# TODO: evaluate short id quota type flag value
short_id_flags = [
transaction_service.get_short_id_transaction_type(short_id)
for short_id in short_ids
]
tx_content_short_ids: TxContentShortIds = TxContentShortIds(
transaction_key.transaction_hash, tx_content, short_ids,
short_id_flags)
txs_msg_len += txs_serializer.get_serialized_tx_content_short_ids_bytes_len(
tx_content_short_ids)
txs_content_short_ids.append(tx_content_short_ids)
if txs_msg_len >= constants.TXS_MSG_SIZE or time.time(
) - task_start > constants.TXS_SYNC_TASK_DURATION:
break
return txs_content_short_ids
def create_txs_service_msg_from_time(
transaction_service: TransactionService,
start_time: float = 0,
sync_tx_content: bool = True,
snapshot_cache_keys: Optional[Set[TransactionCacheKeyType]] = None
) -> Tuple[List[TxContentShortIds], float, bool, Set[TransactionCacheKeyType]]:
task_start = time.time()
txs_content_short_ids: List[TxContentShortIds] = []
txs_msg_len = 0
if snapshot_cache_keys is None:
snapshot_cache_keys = set()
done = False
timestamp = start_time
expire_short_ids = []
for short_id, timestamp in transaction_service._tx_assignment_expire_queue.queue.items(
):
if timestamp > start_time:
cache_key = transaction_service._short_id_to_tx_cache_key.get(
short_id, None)
if cache_key is not None:
transaction_key = transaction_service.get_transaction_key(
None, cache_key)
if cache_key not in snapshot_cache_keys:
snapshot_cache_keys.add(
transaction_key.transaction_cache_key)
short_ids = list(
transaction_service._tx_cache_key_to_short_ids[
transaction_key.transaction_cache_key])
if sync_tx_content and transaction_service.has_transaction_contents_by_key(
transaction_key):
tx_content = transaction_service._tx_cache_key_to_contents[
transaction_key.transaction_cache_key]
else:
tx_content = bytearray(0)
short_id_flags = [
transaction_service.get_short_id_transaction_type(
short_id) for short_id in short_ids
]
tx_content_short_ids: TxContentShortIds = TxContentShortIds(
transaction_key.transaction_hash, tx_content,
short_ids, short_id_flags)
txs_msg_len += txs_serializer.get_serialized_tx_content_short_ids_bytes_len(
tx_content_short_ids)
txs_content_short_ids.append(tx_content_short_ids)
if txs_msg_len >= constants.TXS_MSG_SIZE or (
time.time() - task_start >
constants.TXS_SYNC_TASK_DURATION):
break
else:
expire_short_ids.append(short_id)
else:
done = True
for short_id in expire_short_ids:
transaction_service._tx_assignment_expire_queue.remove(short_id)
return txs_content_short_ids, timestamp, done, snapshot_cache_keys