import os import json import logging from binascii import unhexlify from datetime import datetime from torba.client.basemanager import BaseWalletManager from torba.rpc.jsonrpc import CodeMessageError from lbrynet.wallet.ledger import MainNetLedger from lbrynet.wallet.account import BaseAccount from lbrynet.wallet.transaction import Transaction from lbrynet.wallet.database import WalletDatabase from lbrynet.wallet.dewies import dewies_to_lbc log = logging.getLogger(__name__) class LbryWalletManager(BaseWalletManager): @property def ledger(self) -> MainNetLedger: return self.default_account.ledger @property def db(self) -> WalletDatabase: return self.ledger.db @property def use_encryption(self): return self.default_account.serialize_encrypted @property def is_wallet_unlocked(self): return not self.default_account.encrypted def check_locked(self): return self.default_account.encrypted def decrypt_account(self, account): assert account.password is not None, "account is not unlocked" assert not account.encrypted, "account is not unlocked" account.serialize_encrypted = False self.save() return not account.encrypted and not account.serialize_encrypted def encrypt_account(self, password, account): assert not account.encrypted, "account is already encrypted" account.encrypt(password) account.serialize_encrypted = True self.save() self.unlock_account(password, account) return account.serialize_encrypted def unlock_account(self, password, account): assert account.encrypted, "account is not locked" account.decrypt(password) return not account.encrypted def lock_account(self, account): assert account.password is not None, "account is already locked" assert not account.encrypted and account.serialize_encrypted, "account is not encrypted" account.encrypt(account.password) return account.encrypted @staticmethod def migrate_lbryum_to_torba(path): if not os.path.exists(path): return None, None with open(path, 'r') as f: unmigrated_json = f.read() unmigrated = json.loads(unmigrated_json) # TODO: After several public releases of new torba based wallet, we can delete # this lbryum->torba conversion code and require that users who still # have old structured wallets install one of the earlier releases that # still has the below conversion code. if 'master_public_keys' not in unmigrated: return None, None total = unmigrated.get('addr_history') receiving_addresses, change_addresses = set(), set() for _, unmigrated_account in unmigrated.get('accounts', {}).items(): receiving_addresses.update(map(unhexlify, unmigrated_account.get('receiving', []))) change_addresses.update(map(unhexlify, unmigrated_account.get('change', []))) log.info("Wallet migrator found %s receiving addresses and %s change addresses. %s in total on history.", len(receiving_addresses), len(change_addresses), len(total)) migrated_json = json.dumps({ 'version': 1, 'name': 'My Wallet', 'accounts': [{ 'version': 1, 'name': 'Main Account', 'ledger': 'lbc_mainnet', 'encrypted': unmigrated['use_encryption'], 'seed': unmigrated['seed'], 'seed_version': unmigrated['seed_version'], 'private_key': unmigrated['master_private_keys']['x/'], 'public_key': unmigrated['master_public_keys']['x/'], 'certificates': unmigrated.get('claim_certificates', {}), 'address_generator': { 'name': 'deterministic-chain', 'receiving': {'gap': 20, 'maximum_uses_per_address': 1}, 'change': {'gap': 6, 'maximum_uses_per_address': 1} } }] }, indent=4, sort_keys=True) mode = os.stat(path).st_mode i = 1 backup_path_template = os.path.join(os.path.dirname(path), "old_lbryum_wallet") + "_%i" while os.path.isfile(backup_path_template % i): i += 1 os.rename(path, backup_path_template % i) temp_path = "{}.tmp.{}".format(path, os.getpid()) with open(temp_path, "w") as f: f.write(migrated_json) f.flush() os.fsync(f.fileno()) os.rename(temp_path, path) os.chmod(path, mode) return receiving_addresses, change_addresses @classmethod async def from_lbrynet_config(cls, settings): ledger_id = { 'lbrycrd_main': 'lbc_mainnet', 'lbrycrd_testnet': 'lbc_testnet', 'lbrycrd_regtest': 'lbc_regtest' }[settings.blockchain_name] ledger_config = { 'auto_connect': True, 'default_servers': settings.lbryum_servers, 'data_path': settings.wallet_dir, } wallets_directory = os.path.join(settings.wallet_dir, 'wallets') if not os.path.exists(wallets_directory): os.mkdir(wallets_directory) wallet_file_path = os.path.join(wallets_directory, 'default_wallet') receiving_addresses, change_addresses = cls.migrate_lbryum_to_torba(wallet_file_path) manager = cls.from_config({ 'ledgers': {ledger_id: ledger_config}, 'wallets': [wallet_file_path] }) ledger = manager.get_or_create_ledger(ledger_id) if manager.default_account is None: log.info('Wallet at %s is empty, generating a default account.', wallet_file_path) manager.default_wallet.generate_account(ledger) manager.default_wallet.save() if receiving_addresses or change_addresses: if not os.path.exists(ledger.path): os.mkdir(ledger.path) await ledger.db.open() try: await manager._migrate_addresses(receiving_addresses, change_addresses) finally: await ledger.db.close() return manager async def _migrate_addresses(self, receiving_addresses: set, change_addresses: set): async with self.default_account.receiving.address_generator_lock: migrated_receiving = set((await self.default_account.receiving._generate_keys(0, len(receiving_addresses)))) async with self.default_account.change.address_generator_lock: migrated_change = set((await self.default_account.change._generate_keys(0, len(change_addresses)))) receiving_addresses = set(map(self.default_account.ledger.public_key_to_address, receiving_addresses)) change_addresses = set(map(self.default_account.ledger.public_key_to_address, change_addresses)) if not any(change_addresses.difference(migrated_change)): log.info("Successfully migrated %s change addresses.", len(change_addresses)) else: log.warning("Failed to migrate %s change addresses!", len(set(change_addresses).difference(set(migrated_change)))) if not any(receiving_addresses.difference(migrated_receiving)): log.info("Successfully migrated %s receiving addresses.", len(receiving_addresses)) else: log.warning("Failed to migrate %s receiving addresses!", len(set(receiving_addresses).difference(set(migrated_receiving)))) def get_best_blockhash(self): return self.ledger.headers.hash(self.ledger.headers.height).decode() def get_unused_address(self): return self.default_account.receiving.get_or_create_usable_address() async def send_amount_to_address(self, amount: int, destination_address: bytes, account=None): account = account or self.default_account tx = await Transaction.pay(amount, destination_address, [account], account) await account.ledger.broadcast(tx) return tx async def get_transaction(self, txid): tx = await self.db.get_transaction(txid=txid) if not tx: try: _raw = await self.ledger.network.get_transaction(txid) except CodeMessageError as e: return {'success': False, 'code': e.code, 'message': e.message} # this is a workaround for the current protocol. Should be fixed when lbryum support is over and we # are able to use the modern get_transaction call, which accepts verbose to show height and other fields height = await self.ledger.network.get_transaction_height(txid) tx = self.ledger.transaction_class(unhexlify(_raw)) if tx and height > 0: await self.ledger.maybe_verify_transaction(tx, height + 1) # off by one from server side, yes... return tx @staticmethod async def get_history(account: BaseAccount, **constraints): headers = account.ledger.headers txs = await account.get_transactions(**constraints) history = [] for tx in txs: ts = headers[tx.height]['timestamp'] if tx.height > 0 else None item = { 'txid': tx.id, 'timestamp': ts, 'date': datetime.fromtimestamp(ts).isoformat(' ')[:-3] if tx.height > 0 else None, 'confirmations': (headers.height+1) - tx.height if tx.height > 0 else 0, 'claim_info': [], 'update_info': [], 'support_info': [], 'abandon_info': [] } is_my_inputs = all([txi.is_my_account for txi in tx.inputs]) if is_my_inputs: # fees only matter if we are the ones paying them item['value'] = dewies_to_lbc(tx.net_account_balance+tx.fee) item['fee'] = dewies_to_lbc(-tx.fee) else: # someone else paid the fees item['value'] = dewies_to_lbc(tx.net_account_balance) item['fee'] = '0.0' for txo in tx.my_claim_outputs: item['claim_info'].append({ 'address': txo.get_address(account.ledger), 'balance_delta': dewies_to_lbc(-txo.amount), 'amount': dewies_to_lbc(txo.amount), 'claim_id': txo.claim_id, 'claim_name': txo.claim_name, 'nout': txo.position }) for txo in tx.my_update_outputs: if is_my_inputs: # updating my own claim previous = None for txi in tx.inputs: if txi.txo_ref.txo is not None: other_txo = txi.txo_ref.txo if (other_txo.is_claim or other_txo.script.is_support_claim) \ and other_txo.claim_id == txo.claim_id: previous = other_txo break if previous is not None: item['update_info'].append({ 'address': txo.get_address(account.ledger), 'balance_delta': dewies_to_lbc(previous.amount-txo.amount), 'amount': dewies_to_lbc(txo.amount), 'claim_id': txo.claim_id, 'claim_name': txo.claim_name, 'nout': txo.position }) else: # someone sent us their claim item['update_info'].append({ 'address': txo.get_address(account.ledger), 'balance_delta': dewies_to_lbc(0), 'amount': dewies_to_lbc(txo.amount), 'claim_id': txo.claim_id, 'claim_name': txo.claim_name, 'nout': txo.position }) for txo in tx.my_support_outputs: item['support_info'].append({ 'address': txo.get_address(account.ledger), 'balance_delta': dewies_to_lbc(txo.amount if not is_my_inputs else -txo.amount), 'amount': dewies_to_lbc(txo.amount), 'claim_id': txo.claim_id, 'claim_name': txo.claim_name, 'is_tip': not is_my_inputs, 'nout': txo.position }) for txo in tx.other_support_outputs: item['support_info'].append({ 'address': txo.get_address(account.ledger), 'balance_delta': dewies_to_lbc(-txo.amount), 'amount': dewies_to_lbc(txo.amount), 'claim_id': txo.claim_id, 'claim_name': txo.claim_name, 'is_tip': is_my_inputs, 'nout': txo.position }) for txo in tx.my_abandon_outputs: item['abandon_info'].append({ 'address': txo.get_address(account.ledger), 'balance_delta': dewies_to_lbc(txo.amount), 'amount': dewies_to_lbc(txo.amount), 'claim_id': txo.claim_id, 'claim_name': txo.claim_name, 'nout': txo.position }) history.append(item) return history def save(self): for wallet in self.wallets: wallet.save() def get_block(self, block_hash=None, height=None): if height is None: height = self.ledger.headers.height if block_hash is None: block_hash = self.ledger.headers.hash(height).decode() return self.ledger.network.get_block(block_hash) def get_claim_by_claim_id(self, claim_id): return self.ledger.get_claim_by_claim_id(claim_id) def get_claim_by_outpoint(self, txid, nout): return self.ledger.get_claim_by_outpoint(txid, nout)