def add(self, tx: Transaction, block_number: int, timestamp: int):
tm = qrlstateinfo_pb2.TransactionMetadata(transaction=tx.pbdata,
block_number=block_number,
timestamp=timestamp)
tmp = self._data.tx_metadata[::-1]
tmp.append(tm)
del self._data.tx_metadata[:]
self._data.tx_metadata.extend(tmp[-20:][::-1])
def __init__(self, pbdata=None):
self._data = pbdata
if not pbdata:
self._data = qrlstateinfo_pb2.TransactionMetadata()
def deserialize(data):
pbdata = qrlstateinfo_pb2.TransactionMetadata()
pbdata.ParseFromString(bytes(data))
return TransactionMetadata(pbdata)