def deserialize_from_bytes(cls, data_stream: Union[bytes, bytearray]):
""" Deserialize object from a byte array. """
br = BinaryReader(stream=data_stream)
addr_payload = cls()
addr_payload.deserialize(br)
br.cleanup()
return addr_payload
def deserialize_from_bytes(cls, data_stream: Union[bytes, bytearray]) -> 'Header':
""" Deserialize object from a byte array. """
br = BinaryReader(stream=data_stream)
header = cls(None, None, None, None, None, None, None)
try:
header.deserialize(br)
except DeserializationError:
return None
br.cleanup()
return header
def deserialize_from_bytes(cls, data_stream: Union[bytes, bytearray]):
""" Deserialize object from a byte array. """
br = BinaryReader(stream=data_stream)
inv_payload = cls()
try:
inv_payload.deserialize(br)
except ValueError:
return None
finally:
br.cleanup()
return inv_payload
def deserialize_from_bytes(cls, data_stream: Union[bytes, bytearray]) -> 'Block':
""" Deserialize object from a byte array. """
br = BinaryReader(stream=data_stream)
block = cls(None, None, None, None, None, None)
try:
block.deserialize(br)
# at this point we do not fully support all classes that can build up a block (e.g. Transactions)
# the normal size calculation would request each class for its size and sum them up
# we can shortcut this calculation in the absence of those classes by just determining the amount of bytes
# in the payload
block._size = len(data_stream)
except ValueError:
return None
finally:
br.cleanup()
return block