def from_bytes(cls, serialized):
packed = messages.Lock(serialized)
return cls(
amount=packed.amount,
expiration=packed.expiration,
secrethash=packed.secrethash,
)
def as_bytes(self):
if self._asbytes is None:
packed = messages.Lock(buffer_for(messages.Lock))
packed.amount = self.amount
packed.expiration = self.expiration
packed.secrethash = self.secrethash
self._asbytes = packed.data
# convert bytearray to bytes
return bytes(self._asbytes)