169 lines
5.2 KiB
Python
169 lines
5.2 KiB
Python
from typing import Optional
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from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, QTimer, Q_ENUMS
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from electrum.logging import get_logger
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from electrum.invoices import (PR_UNPAID, PR_EXPIRED, PR_UNKNOWN, PR_PAID, PR_INFLIGHT,
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PR_FAILED, PR_ROUTING, PR_UNCONFIRMED, LN_EXPIRY_NEVER)
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from .qewallet import QEWallet
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from .qetypes import QEAmount
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from .util import QtEventListener, event_listener, status_update_timer_interval
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class QERequestDetails(QObject, QtEventListener):
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class Status:
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Unpaid = PR_UNPAID
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Expired = PR_EXPIRED
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Unknown = PR_UNKNOWN
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Paid = PR_PAID
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Inflight = PR_INFLIGHT
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Failed = PR_FAILED
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Routing = PR_ROUTING
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Unconfirmed = PR_UNCONFIRMED
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Q_ENUMS(Status)
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_logger = get_logger(__name__)
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detailsChanged = pyqtSignal() # generic request properties changed signal
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statusChanged = pyqtSignal()
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def __init__(self, parent=None):
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super().__init__(parent)
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self._wallet = None # type: Optional[QEWallet]
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self._key = None
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self._req = None
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self._timer = None
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self._amount = None
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self._timer = QTimer(self)
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self._timer.setSingleShot(True)
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self._timer.timeout.connect(self.updateStatusString)
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self.register_callbacks()
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self.destroyed.connect(lambda: self.on_destroy())
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def on_destroy(self):
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self.unregister_callbacks()
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if self._timer:
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self._timer.stop()
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self._timer = None
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@event_listener
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def on_event_request_status(self, wallet, key, status):
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if wallet == self._wallet.wallet and key == self._key:
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self._logger.debug('request status %d for key %s' % (status, key))
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self.statusChanged.emit()
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walletChanged = pyqtSignal()
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@pyqtProperty(QEWallet, notify=walletChanged)
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def wallet(self):
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return self._wallet
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@wallet.setter
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def wallet(self, wallet: QEWallet):
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if self._wallet != wallet:
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self._wallet = wallet
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self.walletChanged.emit()
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self.initRequest()
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keyChanged = pyqtSignal()
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@pyqtProperty(str, notify=keyChanged)
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def key(self):
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return self._key
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@key.setter
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def key(self, key):
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if self._key != key:
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self._key = key
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self._logger.debug(f'key={key}')
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self.keyChanged.emit()
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self.initRequest()
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statusChanged = pyqtSignal()
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@pyqtProperty(int, notify=statusChanged)
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def status(self):
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return self._wallet.wallet.get_invoice_status(self._req)
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@pyqtProperty(str, notify=statusChanged)
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def status_str(self):
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return self._req.get_status_str(self.status) if self._req else ''
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@pyqtProperty(bool, notify=detailsChanged)
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def isLightning(self):
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return self._req.is_lightning()
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@pyqtProperty(str, notify=detailsChanged)
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def address(self):
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addr = self._req.get_address() if self._req else ''
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return addr if addr else ''
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@pyqtProperty(str, notify=detailsChanged)
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def message(self):
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return self._req.get_message() if self._req else ''
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@pyqtProperty(QEAmount, notify=detailsChanged)
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def amount(self):
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return self._amount
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@pyqtProperty(int, notify=detailsChanged)
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def timestamp(self):
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return self._req.get_time()
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@pyqtProperty(int, notify=detailsChanged)
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def expiration(self):
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return self._req.get_expiration_date()
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@pyqtProperty(str, notify=detailsChanged)
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def bolt11(self):
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can_receive = self._wallet.wallet.lnworker.num_sats_can_receive() if self._wallet.wallet.lnworker else 0
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if self._req and can_receive > 0 and (self._req.get_amount_sat() or 0) <= can_receive:
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bolt11 = self._wallet.wallet.get_bolt11_invoice(self._req)
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else:
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return ''
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# encode lightning invoices as uppercase so QR encoding can use
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# alphanumeric mode; resulting in smaller QR codes
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bolt11 = bolt11.upper()
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return bolt11
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@pyqtProperty(str, notify=detailsChanged)
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def bip21(self):
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return self._req.get_bip21_URI() if self._req else ''
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def initRequest(self):
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if self._wallet is None or self._key is None:
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return
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self._req = self._wallet.wallet.get_request(self._key)
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if self._req is None:
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self._logger.error(f'payment request key {self._key} unknown in wallet {self._wallet.name}')
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return
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self._amount = QEAmount(from_invoice=self._req)
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self.detailsChanged.emit()
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self.statusChanged.emit()
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self.set_status_timer()
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def set_status_timer(self):
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if self.status == PR_UNPAID:
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if self.expiration > 0 and self.expiration != LN_EXPIRY_NEVER:
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self._logger.debug(f'set_status_timer, expiration={self.expiration}')
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interval = status_update_timer_interval(self.expiration)
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if interval > 0:
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self._logger.debug(f'setting status update timer to {interval}')
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self._timer.setInterval(interval) # msec
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self._timer.start()
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@pyqtSlot()
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def updateStatusString(self):
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self.statusChanged.emit()
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self.set_status_timer()
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