def read_invoice(self):
if self.check_send_tab_payto_line_and_show_errors():
return
try:
if not self._is_onchain:
invoice_str = self.payto_e.lightning_invoice
if not invoice_str:
return
if not self.wallet.has_lightning():
self.show_error(_('Lightning is disabled'))
return
invoice = Invoice.from_bech32(invoice_str)
if invoice.amount_msat is None:
amount_sat = self.amount_e.get_amount()
if amount_sat:
invoice.amount_msat = int(amount_sat * 1000)
else:
self.show_error(_('No amount'))
return
return invoice
else:
outputs = self.read_outputs()
if self.check_send_tab_onchain_outputs_and_show_errors(
outputs):
return
message = self.message_e.text()
return self.wallet.create_invoice(outputs=outputs,
message=message,
pr=self.payment_request,
URI=self.payto_URI)
except InvoiceError as e:
self.show_error(_('Error creating payment') + ':\n' + str(e))
def read_invoice(self):
address = str(self.address)
if not address:
self.app.show_error(
_('Recipient not specified.') + ' ' +
_('Please scan a Bitcoin address or a payment request'))
return
if not self.amount:
self.app.show_error(_('Please enter an amount'))
return
if self.is_max:
amount = '!'
else:
try:
amount = self.app.get_amount(self.amount)
except:
self.app.show_error(_('Invalid amount') + ':\n' + self.amount)
return
message = self.message
try:
if self.is_lightning:
return Invoice.from_bech32(address)
else: # on-chain
if self.payment_request:
outputs = self.payment_request.get_outputs()
else:
if not bitcoin.is_address(address):
self.app.show_error(
_('Invalid Bitcoin Address') + ':\n' + address)
return
outputs = [
PartialTxOutput.from_address_and_value(
address, amount)
]
return self.app.wallet.create_invoice(outputs=outputs,
message=message,
pr=self.payment_request,
URI=self.parsed_URI)
except InvoiceError as e:
self.app.show_error(_('Error creating payment') + ':\n' + str(e))
def validateRecipient(self, recipient):
if not recipient:
self.setInvoiceType(QEInvoice.Type.Invalid)
return
maybe_lightning_invoice = recipient
def _payment_request_resolved(request):
self._logger.debug('resolved payment request')
outputs = request.get_outputs()
invoice = self.create_onchain_invoice(outputs, None, request, None)
self.setValidOnchainInvoice(invoice)
try:
self._bip21 = parse_URI(recipient, _payment_request_resolved)
if self._bip21:
if 'r' in self._bip21 or ('name' in self._bip21 and 'sig' in self._bip21): # TODO set flag in util?
# let callback handle state
return
if ':' not in recipient:
# address only
self.setValidAddressOnly()
self.validationSuccess.emit()
return
else:
# fallback lightning invoice?
if 'lightning' in self._bip21:
maybe_lightning_invoice = self._bip21['lightning']
except InvalidBitcoinURI as e:
self._bip21 = None
self._logger.debug(repr(e))
lninvoice = None
maybe_lightning_invoice = maybe_extract_lightning_payment_identifier(maybe_lightning_invoice)
if maybe_lightning_invoice is not None:
try:
lninvoice = Invoice.from_bech32(maybe_lightning_invoice)
except InvoiceError as e:
e2 = e.__cause__
if isinstance(e2, LnInvoiceException):
self.validationError.emit('unknown', _("Error parsing Lightning invoice") + f":\n{e2}")
self.clear()
return
if isinstance(e2, lnutil.IncompatibleOrInsaneFeatures):
self.validationError.emit('unknown', _("Invoice requires unknown or incompatible Lightning feature") + f":\n{e2!r}")
self.clear()
return
self._logger.exception(repr(e))
if not lninvoice and not self._bip21:
self.validationError.emit('unknown',_('Unknown invoice'))
self.clear()
return
if lninvoice:
if not self._wallet.wallet.has_lightning():
if not self._bip21:
# TODO: lightning onchain fallback in ln invoice
#self.validationError.emit('no_lightning',_('Detected valid Lightning invoice, but Lightning not enabled for wallet'))
self.setValidLightningInvoice(lninvoice)
self.clear()
return
else:
self._logger.debug('flow with LN but not LN enabled AND having bip21 uri')
self.setValidOnchainInvoice(self._bip21['address'])
else:
self.setValidLightningInvoice(lninvoice)
if not self._wallet.wallet.lnworker.channels:
self.validationWarning.emit('no_channels',_('Detected valid Lightning invoice, but there are no open channels'))
else:
self.validationSuccess.emit()
else:
self._logger.debug('flow without LN but having bip21 uri')
if 'amount' not in self._bip21: #TODO can we have amount-less invoices?
self.validationError.emit('no_amount', 'no amount in uri')
return
outputs = [PartialTxOutput.from_address_and_value(self._bip21['address'], self._bip21['amount'])]
self._logger.debug(outputs)
message = self._bip21['message'] if 'message' in self._bip21 else ''
invoice = self.create_onchain_invoice(outputs, message, None, self._bip21)
self._logger.debug(repr(invoice))
self.setValidOnchainInvoice(invoice)
self.validationSuccess.emit()
