188 lines
7.8 KiB
Python
188 lines
7.8 KiB
Python
from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QUrl
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from typing import Optional, TYPE_CHECKING, Sequence, List, Union
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from electrum.i18n import _
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from electrum.util import register_callback, Satoshis, format_time
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from electrum.logging import get_logger
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from electrum.wallet import Wallet, Abstract_Wallet
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from electrum import bitcoin
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from electrum.transaction import PartialTxOutput
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from electrum.invoices import (Invoice, InvoiceError, PR_TYPE_ONCHAIN, PR_TYPE_LN,
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PR_DEFAULT_EXPIRATION_WHEN_CREATING, PR_PAID, PR_UNPAID, PR_UNKNOWN, PR_EXPIRED, PR_UNCONFIRMED, PR_TYPE_ONCHAIN, PR_TYPE_LN)
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from .qerequestlistmodel import QERequestListModel
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from .qetransactionlistmodel import QETransactionListModel
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from .qeaddresslistmodel import QEAddressListModel
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class QEWallet(QObject):
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def __init__(self, wallet, parent=None):
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super().__init__(parent)
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self.wallet = wallet
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self._historyModel = QETransactionListModel(wallet)
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self._addressModel = QEAddressListModel(wallet)
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self._requestModel = QERequestListModel(wallet)
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self._historyModel.init_model()
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self._requestModel.init_model()
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register_callback(self.on_request_status, ['request_status'])
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register_callback(self.on_status, ['status'])
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_logger = get_logger(__name__)
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dataChanged = pyqtSignal() # dummy to silence warnings
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requestCreateSuccess = pyqtSignal()
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requestCreateError = pyqtSignal([str,str], arguments=['code','error'])
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requestStatus = pyqtSignal()
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def on_request_status(self, event, *args):
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self._logger.debug(str(event))
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self.requestStatus.emit()
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historyModelChanged = pyqtSignal()
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@pyqtProperty(QETransactionListModel, notify=historyModelChanged)
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def historyModel(self):
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return self._historyModel
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addressModelChanged = pyqtSignal()
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@pyqtProperty(QEAddressListModel, notify=addressModelChanged)
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def addressModel(self):
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return self._addressModel
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requestModelChanged = pyqtSignal()
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@pyqtProperty(QERequestListModel, notify=requestModelChanged)
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def requestModel(self):
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return self._requestModel
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@pyqtProperty('QString', notify=dataChanged)
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def txinType(self):
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return self.wallet.get_txin_type(self.wallet.dummy_address())
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@pyqtProperty(bool, notify=dataChanged)
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def isWatchOnly(self):
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return self.wallet.is_watching_only()
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@pyqtProperty(bool, notify=dataChanged)
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def isDeterministic(self):
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return self.wallet.is_deterministic()
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@pyqtProperty(bool, notify=dataChanged)
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def isEncrypted(self):
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return self.wallet.storage.is_encrypted()
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@pyqtProperty(bool, notify=dataChanged)
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def isHardware(self):
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return self.wallet.storage.is_encrypted_with_hw_device()
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@pyqtProperty('QString', notify=dataChanged)
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def derivationPath(self):
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keystores = self.wallet.get_keystores()
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if len(keystores) > 1:
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self._logger.debug('multiple keystores not supported yet')
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return keystores[0].get_derivation_prefix()
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balanceChanged = pyqtSignal()
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@pyqtProperty(int, notify=balanceChanged)
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def frozenBalance(self):
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return self.wallet.get_frozen_balance()
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@pyqtProperty(int, notify=balanceChanged)
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def unconfirmedBalance(self):
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return self.wallet.get_balance()[1]
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@pyqtProperty(int, notify=balanceChanged)
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def confirmedBalance(self):
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c, u, x = self.wallet.get_balance()
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self._logger.info('balance: ' + str(c) + ' ' + str(u) + ' ' + str(x) + ' ')
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return c+x
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def on_status(self, status):
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self._logger.info('wallet: status update: ' + str(status))
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self.isUptodateChanged.emit()
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# lightning feature?
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isUptodateChanged = pyqtSignal()
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@pyqtProperty(bool, notify=isUptodateChanged)
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def isUptodate(self):
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return self.wallet.is_up_to_date()
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@pyqtSlot('QString', int, int, bool)
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def send_onchain(self, address, amount, fee=None, rbf=False):
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self._logger.info('send_onchain: ' + address + ' ' + str(amount))
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coins = self.wallet.get_spendable_coins(None)
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if not bitcoin.is_address(address):
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self._logger.warning('Invalid Bitcoin Address: ' + address)
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return False
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outputs = [PartialTxOutput.from_address_and_value(address, amount)]
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tx = self.wallet.make_unsigned_transaction(coins=coins,outputs=outputs)
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return True
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def create_bitcoin_request(self, amount: int, message: str, expiration: int, ignore_gap: bool) -> Optional[str]:
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addr = self.wallet.get_unused_address()
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if addr is None:
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if not self.wallet.is_deterministic(): # imported wallet
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# TODO implement
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return
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#msg = [
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#_('No more addresses in your wallet.'), ' ',
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#_('You are using a non-deterministic wallet, which cannot create new addresses.'), ' ',
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#_('If you want to create new addresses, use a deterministic wallet instead.'), '\n\n',
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#_('Creating a new payment request will reuse one of your addresses and overwrite an existing request. Continue anyway?'),
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#]
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#if not self.question(''.join(msg)):
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#return
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#addr = self.wallet.get_receiving_address()
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else: # deterministic wallet
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if not ignore_gap:
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self.requestCreateError.emit('gaplimit',_("Warning: The next address will not be recovered automatically if you restore your wallet from seed; you may need to add it manually.\n\nThis occurs because you have too many unused addresses in your wallet. To avoid this situation, use the existing addresses first.\n\nCreate anyway?"))
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return
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addr = self.wallet.create_new_address(False)
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req = self.wallet.make_payment_request(addr, amount, message, expiration)
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try:
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self.wallet.add_payment_request(req)
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except Exception as e:
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self.logger.exception('Error adding payment request')
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self.requestCreateError.emit('fatal',_('Error adding payment request') + ':\n' + repr(e))
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else:
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# TODO: check this flow. Only if alias is defined in config. OpenAlias?
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pass
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#self.sign_payment_request(addr)
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self._requestModel.add_request(req)
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return addr
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@pyqtSlot(int, 'QString', int)
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@pyqtSlot(int, 'QString', int, bool)
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@pyqtSlot(int, 'QString', int, bool, bool)
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def create_invoice(self, amount: int, message: str, expiration: int, is_lightning: bool = False, ignore_gap: bool = False):
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expiry = expiration #TODO: self.config.get('request_expiry', PR_DEFAULT_EXPIRATION_WHEN_CREATING)
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try:
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if is_lightning:
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if not self.wallet.lnworker.channels:
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self.requestCreateError.emit('fatal',_("You need to open a Lightning channel first."))
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return
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# TODO maybe show a warning if amount exceeds lnworker.num_sats_can_receive (as in kivy)
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key = self.wallet.lnworker.add_request(amount, message, expiry)
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else:
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key = self.create_bitcoin_request(amount, message, expiry, ignore_gap)
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if not key:
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return
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self._addressModel.init_model()
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except InvoiceError as e:
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self.requestCreateError.emit('fatal',_('Error creating payment request') + ':\n' + str(e))
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return
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assert key is not None
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self.requestCreateSuccess.emit()
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# TODO:copy to clipboard
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#r = self.wallet.get_request(key)
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#content = r.invoice if r.is_lightning() else r.get_address()
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#title = _('Invoice') if is_lightning else _('Address')
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#self.do_copy(content, title=title)
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