lbry-sdk/lbrynet/extras/wallet/server/model.py
2018-11-04 10:50:15 -05:00

47 lines
1.2 KiB
Python

from collections import namedtuple
import msgpack
from torba.server.util import cachedproperty
# Classes representing data and their serializers, if any.
class ClaimInfo(namedtuple("NameClaim", "name value txid nout amount address height cert_id")):
'''Claim information as its stored on database'''
@classmethod
def from_serialized(cls, serialized):
return cls(*msgpack.loads(serialized))
@property
def serialized(self):
return msgpack.dumps(self)
class NameClaim(namedtuple("NameClaim", "name value")):
pass
class ClaimUpdate(namedtuple("ClaimUpdate", "name claim_id value")):
pass
class ClaimSupport(namedtuple("ClaimSupport", "name claim_id")):
pass
class LBRYTx(namedtuple("Tx", "version inputs outputs locktime")):
'''Transaction that can contain claim, update or support in its outputs.'''
@cachedproperty
def is_coinbase(self):
return self.inputs[0].is_coinbase
@cachedproperty
def has_claims(self):
for output in self.outputs:
if output.claim:
return True
return False
class TxClaimOutput(namedtuple("TxClaimOutput", "value pk_script claim")):
pass