173 lines
6.5 KiB
Python
173 lines
6.5 KiB
Python
import json
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import logging
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from twisted.internet import defer
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from torba.baseaccount import BaseAccount
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from torba.basetransaction import TXORef
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from lbryschema.claim import ClaimDict
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from lbryschema.signer import SECP256k1, get_signer
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log = logging.getLogger(__name__)
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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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class Account(BaseAccount):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.certificates = {}
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def add_certificate_private_key(self, ref: TXORef, private_key):
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assert ref.id not in self.certificates, 'Trying to add a duplicate certificate.'
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self.certificates[ref.id] = private_key
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def get_certificate_private_key(self, ref: TXORef):
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return self.certificates.get(ref.id)
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@defer.inlineCallbacks
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def maybe_migrate_certificates(self):
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if not self.certificates:
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return
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addresses = {}
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results = {
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'total': 0,
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'not-a-claim-tx': 0,
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'migrate-success': 0,
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'migrate-failed': 0,
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'previous-success': 0,
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'previous-corrupted': 0
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}
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for maybe_claim_id in list(self.certificates):
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results['total'] += 1
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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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if maybe_claim_id not in claims:
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log.warning(
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"Failed to migrate claim '%s', server did not return any claim information.",
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maybe_claim_id
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)
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results['migrate-failed'] += 1
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continue
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claim = claims[maybe_claim_id]
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tx = None
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if claim:
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tx = yield self.ledger.get_transaction(claim['txid'])
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else:
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log.warning(maybe_claim_id)
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if tx is not None:
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txo = tx.outputs[claim['nout']]
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if not txo.script.is_claim_involved:
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results['not-a-claim-tx'] += 1
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raise ValueError(
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"Certificate with claim_id {} doesn't point to a valid transaction."
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.format(maybe_claim_id)
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)
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tx_nout = '{txid}:{nout}'.format(**claim)
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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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log.info(
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"Migrated certificate with claim_id '%s' ('%s') to a new look up key %s.",
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maybe_claim_id, txo.script.values['claim_name'], tx_nout
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)
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results['migrate-success'] += 1
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else:
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if claim:
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addresses.setdefault(claim['address'], 0)
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addresses[claim['address']] += 1
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log.warning(
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"Failed to migrate claim '%s', it's not associated with any of your addresses.",
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maybe_claim_id
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)
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else:
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log.warning(
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"Failed to migrate claim '%s', it appears abandoned.",
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maybe_claim_id
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)
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results['migrate-failed'] += 1
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else:
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try:
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txid, nout = maybe_claim_id.split(':')
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tx = yield self.ledger.get_transaction(txid)
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if tx.outputs[int(nout)].script.is_claim_involved:
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results['previous-success'] += 1
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else:
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results['previous-corrupted'] += 1
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except Exception:
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log.exception("Couldn't verify certificate with look up key: %s", maybe_claim_id)
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results['previous-corrupted'] += 1
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self.wallet.save()
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log.info('verifying and possibly migrating certificates:')
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log.info(json.dumps(results, indent=2))
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if addresses:
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log.warning('failed for addresses:')
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log.warning(json.dumps(
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[{'address': a, 'number of certificates': c} for a, c in addresses.items()],
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indent=2
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))
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def get_balance(self, confirmations=6, include_claims=False, **constraints):
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if not include_claims:
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constraints.update({'is_claim': 0, 'is_update': 0, 'is_support': 0})
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return super().get_balance(confirmations, **constraints)
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def get_unspent_outputs(self, include_claims=False, **constraints):
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if not include_claims:
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constraints.update({'is_claim': 0, 'is_update': 0, 'is_support': 0})
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return super().get_unspent_outputs(**constraints)
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@defer.inlineCallbacks
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def get_channels(self):
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utxos = yield super().get_unspent_outputs(
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claim_type__any={'is_claim': 1, 'is_update': 1},
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claim_name__like='@%'
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)
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channels = []
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for utxo in utxos:
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d = ClaimDict.deserialize(utxo.script.values['claim'])
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channels.append({
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'name': utxo.claim_name,
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'claim_id': utxo.claim_id,
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'txid': utxo.tx_ref.id,
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'nout': utxo.position,
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'have_certificate': utxo.ref.id in self.certificates
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})
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return channels
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@classmethod
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def get_private_key_from_seed(cls, ledger: 'baseledger.BaseLedger', seed: str, password: str):
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return super().get_private_key_from_seed(
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ledger, seed, password or 'lbryum'
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)
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@classmethod
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def from_dict(cls, ledger, wallet, d: dict) -> 'Account':
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account = super().from_dict(ledger, wallet, d)
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account.certificates = d.get('certificates', {})
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return account
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def to_dict(self):
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d = super().to_dict()
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d['certificates'] = self.certificates
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return d
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@defer.inlineCallbacks
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def get_details(self, **kwargs):
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details = yield super().get_details(**kwargs)
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details['certificates'] = len(self.certificates)
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return details
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def get_claim(self, claim_id=None, txid=None, nout=None):
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return self.ledger.db.get_claim(self, claim_id, txid, nout)
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def get_claims(self):
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return self.ledger.db.get_claims(self)
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