def __init__(
self,
amount: typing.TokenAmount,
expiration: typing.BlockNumber,
secrethash: typing.Keccak256):
if not isinstance(amount, typing.T_TokenAmount):
raise ValueError('amount must be a token_amount instance')
if not isinstance(expiration, typing.T_BlockNumber):
raise ValueError('expiration must be a block_number instance')
if not isinstance(secrethash, typing.T_Keccak256):
raise ValueError('secrethash must be a keccak256 instance')
packed = messages.Lock(buffer_for(messages.Lock))
packed.amount = amount
packed.expiration = expiration
packed.secrethash = secrethash
encoded = bytes(packed.data)
self.amount = amount
self.expiration = expiration
self.secrethash = secrethash
self.encoded = encoded
self.lockhash: typing.LockHash = typing.LockHash(sha3(encoded))
def __init__(
self,
amount: typing.TokenAmount,
expiration: typing.BlockNumber,
hashlock: typing.Keccak256):
if not isinstance(amount, typing.TokenAmount):
raise ValueError('amount must be a token_amount instance')
if not isinstance(expiration, typing.BlockNumber):
raise ValueError('expiration must be a block_number instance')
if not isinstance(hashlock, typing.Keccak256):
raise ValueError('hashlock must be a keccak256 instance')
packed = messages.Lock(buffer_for(messages.Lock))
packed.amount = amount
packed.expiration = expiration
packed.hashlock = hashlock
encoded = bytes(packed.data)
self.amount = amount
self.expiration = expiration
self.hashlock = hashlock
self.encoded = encoded
self.lockhash = sha3(encoded)
def from_bytes(cls, serialized):
packed = messages.Lock(serialized)
return cls(
packed.amount,
packed.expiration,
packed.secrethash,
)
def as_bytes(self):
packed = messages.Lock(buffer_for(messages.Lock))
packed.amount = self.amount
packed.expiration = self.expiration
packed.secrethash = self.secrethash
# convert bytearray to bytes
return bytes(packed.data)
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.hashlock = self.hashlock
self._asbytes = packed.data
return self._asbytes
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)