def _get_transaction(self, hash_bytes: bytes) -> BaseTransaction:
if hash_bytes in self.transactions:
tx = self._clone(self.transactions[hash_bytes])
if hash_bytes in self.metadata:
tx._metadata = self._clone(self.metadata[hash_bytes])
return tx
else:
raise TransactionDoesNotExist(hash_bytes.hex())
def _get_transaction(self, hash_bytes: bytes) -> 'BaseTransaction':
tx = self.get_transaction_from_weakref(hash_bytes)
if tx is not None:
return tx
tx = self._get_transaction_from_db(hash_bytes)
if not tx:
raise TransactionDoesNotExist(hash_bytes.hex())
assert tx.hash == hash_bytes
self._save_to_weakref(tx)
return tx
def _get_transaction(self, hash_bytes: bytes) -> 'BaseTransaction':
tx = self.get_transaction_from_weakref(hash_bytes)
if tx is not None:
return tx
filepath = self.generate_filepath(hash_bytes)
data = self.load_from_json(filepath,
TransactionDoesNotExist(hash_bytes.hex()))
tx = self.load(data['tx'])
if 'meta' in data.keys():
meta = TransactionMetadata.create_from_json(data['meta'])
tx._metadata = meta
self._save_to_weakref(tx)
return tx
def get_all_transactions(self) -> Iterator['BaseTransaction']:
tx: Optional['BaseTransaction']
for tx in self.get_all_genesis():
yield tx
for f in glob.iglob(os.path.join(self.path, '*/*')):
match = self.re_pattern.match(os.path.basename(f))
if match:
hash_bytes = bytes.fromhex(match.groups()[0])
tx = self.get_transaction_from_weakref(hash_bytes)
if tx is not None:
yield tx
else:
# TODO Return a proxy that will load the transaction only when it is used.
data = self.load_from_json(f, TransactionDoesNotExist())
tx = self.load(data['tx'])
if 'meta' in data.keys():
meta = TransactionMetadata.create_from_json(
data['meta'])
tx._metadata = meta
self._save_to_weakref(tx)
yield tx