76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
from binascii import hexlify
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from twisted.internet import defer
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from torba.baseaccount import BaseAccount
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from lbryschema.claim import ClaimDict
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from lbryschema.signer import SECP256k1, get_signer
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from .transaction import Transaction
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def generate_certificate():
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secp256k1_private_key = get_signer(SECP256k1).generate().private_key.to_pem()
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return ClaimDict.generate_certificate(secp256k1_private_key, curve=SECP256k1), secp256k1_private_key
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def get_certificate_lookup(tx_or_hash, nout):
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if isinstance(tx_or_hash, Transaction):
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return '{}:{}'.format(tx_or_hash.hex_id.decode(), nout)
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else:
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return '{}:{}'.format(hexlify(tx_or_hash[::-1]).decode(), nout)
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class Account(BaseAccount):
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def __init__(self, *args, **kwargs):
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super(Account, self).__init__(*args, **kwargs)
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self.certificates = {}
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def add_certificate(self, tx, nout, private_key):
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lookup_key = '{}:{}'.format(tx.hex_id.decode(), nout)
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assert lookup_key not in self.certificates, 'Trying to add a duplicate certificate.'
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self.certificates[lookup_key] = private_key
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def get_certificate_private_key(self, tx_or_hash, nout):
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return self.certificates.get(get_certificate_lookup(tx_or_hash, nout))
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@defer.inlineCallbacks
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def maybe_migrate_certificates(self):
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for maybe_claim_id in self.certificates.keys():
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if ':' not in maybe_claim_id:
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claims = yield self.ledger.network.get_claims_by_ids(maybe_claim_id)
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# assert claim['address'] is one of our addresses, otherwise move cert to new Account
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print(claims[maybe_claim_id])
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tx_nout = '{txid}:{nout}'.format(**claims[maybe_claim_id])
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self.certificates[tx_nout] = self.certificates[maybe_claim_id]
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del self.certificates[maybe_claim_id]
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break
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def get_balance(self, include_claims=False):
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if include_claims:
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return super(Account, self).get_balance()
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else:
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return super(Account, self).get_balance(
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is_claim=0, is_update=0, is_support=0
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)
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def get_unspent_outputs(self, include_claims=False):
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if include_claims:
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return super(Account, self).get_unspent_outputs()
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else:
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return super(Account, self).get_unspent_outputs(
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is_claim=0, is_update=0, is_support=0
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)
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@classmethod
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def from_dict(cls, ledger, d): # type: (torba.baseledger.BaseLedger, Dict) -> BaseAccount
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account = super(Account, cls).from_dict(ledger, d)
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account.certificates = d['certificates']
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return account
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def to_dict(self):
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d = super(Account, self).to_dict()
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d['certificates'] = self.certificates
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return d
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