lbry-sdk/torba/manager.py

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from decimal import Decimal
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from typing import List, Dict, Type
from twisted.internet import defer
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from torba.baseledger import BaseLedger, LedgerRegistry
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from torba.wallet import Wallet, WalletStorage
from torba.constants import COIN
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class WalletManager(object):
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def __init__(self, wallets=None, ledgers=None):
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# type: (List[Wallet], Dict[Type[BaseLedger],BaseLedger]) -> None
self.wallets = wallets or []
self.ledgers = ledgers or {}
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self.running = False
@classmethod
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def from_config(cls, config): # type: (Dict) -> WalletManager
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manager = cls()
for ledger_id, ledger_config in config.get('ledgers', {}).items():
manager.get_or_create_ledger(ledger_id, ledger_config)
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for wallet_path in config.get('wallets', []):
wallet_storage = WalletStorage(wallet_path)
wallet = Wallet.from_storage(wallet_storage, manager)
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manager.wallets.append(wallet)
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return manager
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def get_or_create_ledger(self, ledger_id, ledger_config=None):
ledger_class = LedgerRegistry.get_ledger_class(ledger_id)
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ledger = self.ledgers.get(ledger_class)
if ledger is None:
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ledger = ledger_class(ledger_config or {})
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self.ledgers[ledger_class] = ledger
return ledger
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def import_wallet(self, path):
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storage = WalletStorage(path)
wallet = Wallet.from_storage(storage, self)
self.wallets.append(wallet)
return wallet
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@defer.inlineCallbacks
def get_balances(self, confirmations=6):
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balances = {}
for i, ledger in enumerate(self.ledgers.values()):
ledger_balances = balances[ledger.get_id()] = []
for j, account in enumerate(ledger.accounts):
satoshis = yield account.get_balance(confirmations)
ledger_balances.append({
'account': account.name,
'coins': round(Decimal(satoshis) / COIN, 2),
'satoshis': satoshis,
'is_default_account': i == 0 and j == 0
})
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defer.returnValue(balances)
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@property
def default_wallet(self):
for wallet in self.wallets:
return wallet
@property
def default_account(self):
for wallet in self.wallets:
return wallet.default_account
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@property
def accounts(self):
for wallet in self.wallets:
for account in wallet.accounts:
yield account
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@defer.inlineCallbacks
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def start(self):
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self.running = True
yield defer.DeferredList([
l.start() for l in self.ledgers.values()
])
@defer.inlineCallbacks
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def stop(self):
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yield defer.DeferredList([
l.stop() for l in self.ledgers.values()
])
self.running = False