forked from LBRYCommunity/lbry-sdk
135 lines
4.8 KiB
Python
135 lines
4.8 KiB
Python
import json
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import logging
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from hashlib import sha256
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from string import hexdigits
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import ecdsa
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from torba.client.baseaccount import BaseAccount, HierarchicalDeterministic
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log = logging.getLogger(__name__)
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def validate_claim_id(claim_id):
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if not len(claim_id) == 40:
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raise Exception("Incorrect claimid length: %i" % len(claim_id))
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if isinstance(claim_id, bytes):
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claim_id = claim_id.decode('utf-8')
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if set(claim_id).difference(hexdigits):
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raise Exception("Claim id is not hex encoded")
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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.channel_keys = {}
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@property
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def hash(self) -> bytes:
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h = sha256(json.dumps(self.to_dict(False)).encode())
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for cert in sorted(self.channel_keys.keys()):
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h.update(cert.encode())
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return h.digest()
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def apply(self, d: dict):
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super().apply(d)
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self.channel_keys.update(d.get('certificates', {}))
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def add_channel_private_key(self, private_key):
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public_key_bytes = private_key.get_verifying_key().to_der()
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channel_pubkey_hash = self.ledger.public_key_to_address(public_key_bytes)
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self.channel_keys[channel_pubkey_hash] = private_key.to_pem().decode()
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def get_channel_private_key(self, public_key_bytes):
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channel_pubkey_hash = self.ledger.public_key_to_address(public_key_bytes)
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private_key_pem = self.channel_keys.get(channel_pubkey_hash)
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if private_key_pem:
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return ecdsa.SigningKey.from_pem(private_key_pem, hashfunc=sha256)
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async def maybe_migrate_certificates(self):
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if not self.channel_keys:
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return
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channel_keys = {}
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for private_key_pem in self.channel_keys.values():
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private_key = ecdsa.SigningKey.from_pem(private_key_pem, hashfunc=sha256)
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public_key_der = private_key.get_verifying_key().to_der()
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channel_keys[self.ledger.public_key_to_address(public_key_der)] = private_key_pem
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self.channel_keys = channel_keys
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self.wallet.save()
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async def save_max_gap(self):
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if issubclass(self.address_generator, HierarchicalDeterministic):
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gap = await self.get_max_gap()
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self.receiving.gap = max(20, gap['max_receiving_gap'] + 1)
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self.change.gap = max(6, gap['max_change_gap'] + 1)
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self.wallet.save()
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def get_balance(self, confirmations=0, 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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@classmethod
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def get_private_key_from_seed(cls, ledger, 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.channel_keys = d.get('certificates', {})
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return account
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def to_dict(self, include_channel_keys=True):
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d = super().to_dict()
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if include_channel_keys:
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d['certificates'] = self.channel_keys
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return d
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async def get_details(self, **kwargs):
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details = await super().get_details(**kwargs)
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details['certificates'] = len(self.channel_keys)
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return details
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@staticmethod
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def constraint_spending_utxos(constraints):
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constraints.update({'is_claim': 0, 'is_update': 0, 'is_support': 0})
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def get_utxos(self, **constraints):
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self.constraint_spending_utxos(constraints)
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return super().get_utxos(**constraints)
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def get_utxo_count(self, **constraints):
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self.constraint_spending_utxos(constraints)
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return super().get_utxo_count(**constraints)
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def get_claims(self, **constraints):
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return self.ledger.db.get_claims(account=self, **constraints)
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def get_claim_count(self, **constraints):
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return self.ledger.db.get_claim_count(account=self, **constraints)
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def get_streams(self, **constraints):
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return self.ledger.db.get_streams(account=self, **constraints)
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def get_stream_count(self, **constraints):
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return self.ledger.db.get_stream_count(account=self, **constraints)
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def get_channels(self, **constraints):
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return self.ledger.db.get_channels(account=self, **constraints)
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def get_channel_count(self, **constraints):
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return self.ledger.db.get_channel_count(account=self, **constraints)
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def get_supports(self, **constraints):
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return self.ledger.db.get_supports(account=self, **constraints)
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def get_support_count(self, **constraints):
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return self.ledger.db.get_support_count(account=self, **constraints)
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async def release_all_outputs(self):
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await self.ledger.db.release_all_outputs(self)
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