178 lines
6.5 KiB
Python
178 lines
6.5 KiB
Python
#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2025 The Electrum Developers
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import asyncio
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import concurrent
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from typing import TYPE_CHECKING, List, Tuple, Optional
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from PyQt6.QtCore import QObject, pyqtSignal, pyqtProperty, pyqtSlot
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from electrum import util
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from electrum.plugin import hook
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from electrum.transaction import PartialTransaction, tx_from_any
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from electrum.wallet import Multisig_Wallet
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from electrum.util import EventListener, event_listener
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from electrum.gui.qml.qewallet import QEWallet
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from .psbt_nostr import PsbtNostrPlugin, CosignerWallet
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if TYPE_CHECKING:
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from electrum.wallet import Abstract_Wallet
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from electrum.gui.qml import ElectrumQmlApplication
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class QReceiveSignalObject(QObject):
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def __init__(self, plugin: 'Plugin'):
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QObject.__init__(self)
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self._plugin = plugin
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cosignerReceivedPsbt = pyqtSignal(str, str, str, str)
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sendPsbtFailed = pyqtSignal(str, arguments=['reason'])
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sendPsbtSuccess = pyqtSignal()
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@pyqtProperty(str)
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def loader(self):
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return 'main.qml'
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@pyqtSlot(QEWallet, str, result=bool)
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def canSendPsbt(self, wallet: 'QEWallet', tx: str) -> bool:
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cosigner_wallet = self._plugin.cosigner_wallets.get(wallet.wallet)
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if not cosigner_wallet:
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return False
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return cosigner_wallet.can_send_psbt(tx_from_any(tx, deserialize=True))
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@pyqtSlot(QEWallet, str)
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@pyqtSlot(QEWallet, str, str)
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def sendPsbt(self, wallet: 'QEWallet', tx: str, label: str = None):
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cosigner_wallet = self._plugin.cosigner_wallets.get(wallet.wallet)
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if not cosigner_wallet:
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return
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cosigner_wallet.send_psbt(tx_from_any(tx, deserialize=True), label)
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@pyqtSlot(QEWallet, str, str)
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def saveTxLabel(self, wallet: 'QEWallet', tx: str, label: str):
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cosigner_wallet = self._plugin.cosigner_wallets.get(wallet.wallet)
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if not cosigner_wallet:
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return
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cosigner_wallet.save_tx_label(tx_from_any(tx, deserialize=True), label)
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@pyqtSlot(QEWallet, str)
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@pyqtSlot(QEWallet, str, bool)
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def acceptPsbt(self, wallet: 'QEWallet', event_id: str, save_to_wallet: bool = False):
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cosigner_wallet = self._plugin.cosigner_wallets.get(wallet.wallet)
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if not cosigner_wallet:
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return
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cosigner_wallet.accept_psbt(event_id, save_to_wallet)
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if save_to_wallet:
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# let GUI update view through wallet_updated callback
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util.trigger_callback('wallet_updated', wallet.wallet)
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@pyqtSlot(QEWallet, str)
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def rejectPsbt(self, wallet: 'QEWallet', event_id: str):
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cosigner_wallet = self._plugin.cosigner_wallets.get(wallet.wallet)
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if not cosigner_wallet:
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return
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cosigner_wallet.reject_psbt(event_id)
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class Plugin(PsbtNostrPlugin):
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def __init__(self, parent, config, name):
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super().__init__(parent, config, name)
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self.so = QReceiveSignalObject(self)
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self._app = None
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@hook
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def init_qml(self, app: 'ElectrumQmlApplication'):
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self._app = app
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self.so.setParent(app) # parent in QObject tree
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# plugin enable for already open wallet
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wallet = app.daemon.currentWallet.wallet if app.daemon.currentWallet else None
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if wallet:
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self.load_wallet(wallet)
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@hook
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def load_wallet(self, wallet: 'Abstract_Wallet'):
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# remove existing, only foreground wallet active
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for _wallet in self.cosigner_wallets.copy().keys():
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self.remove_cosigner_wallet(_wallet)
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if not isinstance(wallet, Multisig_Wallet):
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return
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if wallet.wallet_type == '2fa':
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return
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self.add_cosigner_wallet(wallet, QmlCosignerWallet(wallet, self))
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class QmlCosignerWallet(EventListener, CosignerWallet):
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def __init__(self, wallet: 'Multisig_Wallet', plugin: 'Plugin'):
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db_storage = plugin.get_storage(wallet)
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CosignerWallet.__init__(self, wallet, db_storage)
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self.plugin = plugin
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self.register_callbacks()
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self.tx = None
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@event_listener
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def on_event_psbt_nostr_received(self, wallet, pubkey, event_id, tx: 'PartialTransaction', label: str):
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if self.wallet == wallet:
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self.tx = tx
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self.plugin.so.cosignerReceivedPsbt.emit(pubkey, event_id, tx.serialize(), label)
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def close(self):
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super().close()
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self.unregister_callbacks()
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def do_send(self, messages: List[Tuple[str, dict]], txid: Optional[str] = None):
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if not messages:
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return
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coro = self.send_direct_messages(messages)
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loop = util.get_asyncio_loop()
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assert util.get_running_loop() != loop, 'must not be called from asyncio thread'
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self._result = None
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self._future = asyncio.run_coroutine_threadsafe(coro, loop)
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try:
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self._result = self._future.result()
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self.plugin.so.sendPsbtSuccess.emit()
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except concurrent.futures.CancelledError:
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pass
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except Exception as e:
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self.plugin.so.sendPsbtFailed.emit(str(e))
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def save_tx_label(self, tx, label):
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self.wallet.set_label(tx.txid(), label)
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def accept_psbt(self, event_id, save: bool = False):
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if save:
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self.add_transaction_to_wallet(self.tx, on_failure=self.on_add_fail)
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self.mark_pending_event_rcvd(event_id)
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def reject_psbt(self, event_id):
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self.mark_pending_event_rcvd(event_id)
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def on_add_fail(self):
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self.logger.error('failed to add tx to wallet')
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