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684 lines
29 KiB
684 lines
29 KiB
# Copyright (C) 2022 The Electrum developers |
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# Distributed under the MIT software license, see the accompanying |
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# file LICENCE or http://www.opensource.org/licenses/mit-license.php |
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import asyncio |
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from decimal import Decimal |
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from typing import Optional, TYPE_CHECKING, Sequence, List, Callable |
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from PyQt5.QtCore import pyqtSignal, QPoint |
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from PyQt5.QtWidgets import (QLabel, QVBoxLayout, QGridLayout, |
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QHBoxLayout, QCompleter, QWidget, QToolTip, QPushButton) |
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from electrum.plugin import run_hook |
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from electrum.i18n import _ |
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from electrum.util import NotEnoughFunds, NoDynamicFeeEstimates, parse_max_spend |
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from electrum.payment_identifier import PaymentIdentifier |
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from electrum.invoices import PR_PAID, Invoice, PR_BROADCASTING, PR_BROADCAST |
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from electrum.transaction import Transaction, PartialTxInput, PartialTxOutput |
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from electrum.network import TxBroadcastError, BestEffortRequestFailed |
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from electrum.logging import Logger |
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from .amountedit import AmountEdit, BTCAmountEdit, SizedFreezableLineEdit |
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from .util import WaitingDialog, HelpLabel, MessageBoxMixin, EnterButton, char_width_in_lineedit |
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from .util import get_iconname_camera, get_iconname_qrcode, read_QIcon |
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from .confirm_tx_dialog import ConfirmTxDialog |
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if TYPE_CHECKING: |
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from .main_window import ElectrumWindow |
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class SendTab(QWidget, MessageBoxMixin, Logger): |
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resolve_done_signal = pyqtSignal(object) |
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finalize_done_signal = pyqtSignal(object) |
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round_3_signal = pyqtSignal(object) |
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def __init__(self, window: 'ElectrumWindow'): |
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QWidget.__init__(self, window) |
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Logger.__init__(self) |
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self.window = window |
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self.wallet = window.wallet |
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self.fx = window.fx |
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self.config = window.config |
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self.network = window.network |
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self.format_amount_and_units = window.format_amount_and_units |
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self.format_amount = window.format_amount |
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self.base_unit = window.base_unit |
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self.payment_identifier = None |
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self.pending_invoice = None |
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# A 4-column grid layout. All the stretch is in the last column. |
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# The exchange rate plugin adds a fiat widget in column 2 |
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self.send_grid = grid = QGridLayout() |
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grid.setSpacing(8) |
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grid.setColumnStretch(3, 1) |
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from .paytoedit import PayToEdit |
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self.amount_e = BTCAmountEdit(self.window.get_decimal_point) |
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self.payto_e = PayToEdit(self) |
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msg = (_("Recipient of the funds.") + "\n\n" |
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+ _("You may enter a Bitcoin address, a label from your list of contacts " |
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"(a list of completions will be proposed), " |
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"or an alias (email-like address that forwards to a Bitcoin address)") + ". " |
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+ _("Lightning invoices are also supported.") + "\n\n" |
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+ _("You can also pay to many outputs in a single transaction, " |
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"specifying one output per line.") + "\n" + _("Format: address, amount") + "\n" |
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+ _("To set the amount to 'max', use the '!' special character.") + "\n" |
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+ _("Integers weights can also be used in conjunction with '!', " |
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"e.g. set one amount to '2!' and another to '3!' to split your coins 40-60.")) |
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payto_label = HelpLabel(_('Pay to'), msg) |
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grid.addWidget(payto_label, 0, 0) |
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grid.addWidget(self.payto_e.line_edit, 0, 1, 1, 4) |
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grid.addWidget(self.payto_e.text_edit, 0, 1, 1, 4) |
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#completer = QCompleter() |
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#completer.setCaseSensitivity(False) |
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#self.payto_e.set_completer(completer) |
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#completer.setModel(self.window.completions) |
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msg = _('Description of the transaction (not mandatory).') + '\n\n' \ |
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+ _( |
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'The description is not sent to the recipient of the funds. It is stored in your wallet file, and displayed in the \'History\' tab.') |
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description_label = HelpLabel(_('Description'), msg) |
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grid.addWidget(description_label, 1, 0) |
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self.message_e = SizedFreezableLineEdit(width=600) |
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grid.addWidget(self.message_e, 1, 1, 1, 4) |
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msg = _('Comment for recipient') |
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self.comment_label = HelpLabel(_('Comment'), msg) |
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grid.addWidget(self.comment_label, 2, 0) |
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self.comment_e = SizedFreezableLineEdit(width=600) |
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grid.addWidget(self.comment_e, 2, 1, 1, 4) |
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self.comment_label.hide() |
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self.comment_e.hide() |
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msg = (_('The amount to be received by the recipient.') + ' ' |
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+ _('Fees are paid by the sender.') + '\n\n' |
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+ _('The amount will be displayed in red if you do not have enough funds in your wallet.') + ' ' |
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+ _('Note that if you have frozen some of your addresses, the available funds will be lower than your total balance.') + '\n\n' |
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+ _('Keyboard shortcut: type "!" to send all your coins.')) |
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amount_label = HelpLabel(_('Amount'), msg) |
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grid.addWidget(amount_label, 3, 0) |
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grid.addWidget(self.amount_e, 3, 1) |
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self.fiat_send_e = AmountEdit(self.fx.get_currency if self.fx else '') |
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if not self.fx or not self.fx.is_enabled(): |
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self.fiat_send_e.setVisible(False) |
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grid.addWidget(self.fiat_send_e, 3, 2) |
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self.amount_e.frozen.connect( |
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lambda: self.fiat_send_e.setFrozen(self.amount_e.isReadOnly())) |
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self.window.connect_fields(self.amount_e, self.fiat_send_e) |
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self.max_button = EnterButton(_("Max"), self.spend_max) |
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btn_width = 10 * char_width_in_lineedit() |
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self.max_button.setFixedWidth(btn_width) |
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self.max_button.setCheckable(True) |
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grid.addWidget(self.max_button, 3, 3) |
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self.save_button = EnterButton(_("Save"), self.do_save_invoice) |
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self.send_button = EnterButton(_("Pay") + "...", self.do_pay_or_get_invoice) |
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self.clear_button = EnterButton(_("Clear"), self.do_clear) |
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self.paste_button = QPushButton() |
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self.paste_button.clicked.connect(self.do_paste) |
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self.paste_button.setIcon(read_QIcon('copy.png')) |
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self.paste_button.setToolTip(_('Paste invoice from clipboard')) |
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self.paste_button.setMaximumWidth(35) |
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grid.addWidget(self.paste_button, 0, 5) |
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buttons = QHBoxLayout() |
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buttons.addStretch(1) |
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#buttons.addWidget(self.paste_button) |
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buttons.addWidget(self.clear_button) |
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buttons.addWidget(self.save_button) |
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buttons.addWidget(self.send_button) |
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grid.addLayout(buttons, 6, 1, 1, 4) |
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self.amount_e.shortcut.connect(self.spend_max) |
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def reset_max(text): |
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self.max_button.setChecked(False) |
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enable = not bool(text) and not self.amount_e.isReadOnly() |
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# self.max_button.setEnabled(enable) |
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self.amount_e.textEdited.connect(reset_max) |
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self.fiat_send_e.textEdited.connect(reset_max) |
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self.set_onchain(False) |
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self.invoices_label = QLabel(_('Invoices')) |
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from .invoice_list import InvoiceList |
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self.invoice_list = InvoiceList(self) |
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self.toolbar, menu = self.invoice_list.create_toolbar_with_menu('') |
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menu.addAction(read_QIcon(get_iconname_camera()), _("Read QR code with camera"), self.payto_e.on_qr_from_camera_input_btn) |
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menu.addAction(read_QIcon("picture_in_picture.png"), _("Read QR code from screen"), self.payto_e.on_qr_from_screenshot_input_btn) |
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menu.addAction(read_QIcon("file.png"), _("Read invoice from file"), self.payto_e.on_input_file) |
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self.paytomany_menu = menu.addToggle(_("&Pay to many"), self.toggle_paytomany) |
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menu.addSeparator() |
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menu.addAction(_("Import invoices"), self.window.import_invoices) |
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menu.addAction(_("Export invoices"), self.window.export_invoices) |
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vbox0 = QVBoxLayout() |
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vbox0.addLayout(grid) |
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hbox = QHBoxLayout() |
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hbox.addLayout(vbox0) |
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hbox.addStretch(1) |
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vbox = QVBoxLayout(self) |
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vbox.addLayout(self.toolbar) |
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vbox.addLayout(hbox) |
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vbox.addStretch(1) |
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vbox.addWidget(self.invoices_label) |
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vbox.addWidget(self.invoice_list) |
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vbox.setStretchFactor(self.invoice_list, 1000) |
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self.searchable_list = self.invoice_list |
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self.invoice_list.update() # after parented and put into a layout, can update without flickering |
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run_hook('create_send_tab', grid) |
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self.resolve_done_signal.connect(self.on_resolve_done) |
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self.finalize_done_signal.connect(self.on_round_2) |
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self.round_3_signal.connect(self.on_round_3) |
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def do_paste(self): |
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text = self.window.app.clipboard().text() |
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if not text: |
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return |
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self.set_payment_identifier(text) |
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def set_payment_identifier(self, text): |
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self.payment_identifier = PaymentIdentifier(self.wallet, text) |
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if self.payment_identifier.error: |
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self.show_error(_('Clipboard text is not a valid payment identifier') + '\n' + self.payment_identifier.error) |
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return |
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if self.payment_identifier.is_multiline(): |
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self.payto_e.set_paytomany(True) |
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self.payto_e.text_edit.setText(text) |
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else: |
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self.payto_e.setTextNoCheck(text) |
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self._handle_payment_identifier(can_use_network=True) |
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def spend_max(self): |
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if run_hook('abort_send', self): |
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return |
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amount = self.get_amount() |
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outputs = self.payment_identifier.get_onchain_outputs(amount) |
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if not outputs: |
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return |
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make_tx = lambda fee_est, *, confirmed_only=False: self.wallet.make_unsigned_transaction( |
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coins=self.window.get_coins(), |
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outputs=outputs, |
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fee=fee_est, |
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is_sweep=False) |
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try: |
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try: |
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tx = make_tx(None) |
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except (NotEnoughFunds, NoDynamicFeeEstimates) as e: |
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# Check if we had enough funds excluding fees, |
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# if so, still provide opportunity to set lower fees. |
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tx = make_tx(0) |
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except NotEnoughFunds as e: |
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self.max_button.setChecked(False) |
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text = self.get_text_not_enough_funds_mentioning_frozen() |
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self.show_error(text) |
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return |
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self.max_button.setChecked(True) |
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amount = tx.output_value() |
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__, x_fee_amount = run_hook('get_tx_extra_fee', self.wallet, tx) or (None, 0) |
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amount_after_all_fees = amount - x_fee_amount |
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self.amount_e.setAmount(amount_after_all_fees) |
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# show tooltip explaining max amount |
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mining_fee = tx.get_fee() |
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mining_fee_str = self.format_amount_and_units(mining_fee) |
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msg = _("Mining fee: {} (can be adjusted on next screen)").format(mining_fee_str) |
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if x_fee_amount: |
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twofactor_fee_str = self.format_amount_and_units(x_fee_amount) |
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msg += "\n" + _("2fa fee: {} (for the next batch of transactions)").format(twofactor_fee_str) |
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frozen_bal = self.get_frozen_balance_str() |
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if frozen_bal: |
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msg += "\n" + _("Some coins are frozen: {} (can be unfrozen in the Addresses or in the Coins tab)").format(frozen_bal) |
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QToolTip.showText(self.max_button.mapToGlobal(QPoint(0, 0)), msg) |
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def pay_onchain_dialog( |
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self, |
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outputs: List[PartialTxOutput], *, |
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nonlocal_only=False, |
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external_keypairs=None, |
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get_coins: Callable[..., Sequence[PartialTxInput]] = None, |
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) -> None: |
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# trustedcoin requires this |
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if run_hook('abort_send', self): |
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return |
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is_sweep = bool(external_keypairs) |
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# we call get_coins inside make_tx, so that inputs can be changed dynamically |
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if get_coins is None: |
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get_coins = self.window.get_coins |
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make_tx = lambda fee_est, *, confirmed_only=False: self.wallet.make_unsigned_transaction( |
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coins=get_coins(nonlocal_only=nonlocal_only, confirmed_only=confirmed_only), |
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outputs=outputs, |
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fee=fee_est, |
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is_sweep=is_sweep) |
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output_values = [x.value for x in outputs] |
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is_max = any(parse_max_spend(outval) for outval in output_values) |
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output_value = '!' if is_max else sum(output_values) |
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conf_dlg = ConfirmTxDialog(window=self.window, make_tx=make_tx, output_value=output_value) |
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if conf_dlg.not_enough_funds: |
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# note: use confirmed_only=False here, regardless of config setting, |
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# as the user needs to get to ConfirmTxDialog to change the config setting |
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if not conf_dlg.can_pay_assuming_zero_fees(confirmed_only=False): |
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text = self.get_text_not_enough_funds_mentioning_frozen() |
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self.show_message(text) |
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return |
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tx = conf_dlg.run() |
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if tx is None: |
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# user cancelled |
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return |
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is_preview = conf_dlg.is_preview |
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if is_preview: |
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self.window.show_transaction(tx, external_keypairs=external_keypairs) |
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return |
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self.save_pending_invoice() |
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def sign_done(success): |
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if success: |
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self.window.broadcast_or_show(tx) |
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self.window.sign_tx( |
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tx, |
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callback=sign_done, |
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external_keypairs=external_keypairs) |
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def get_text_not_enough_funds_mentioning_frozen(self) -> str: |
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text = _("Not enough funds") |
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frozen_str = self.get_frozen_balance_str() |
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if frozen_str: |
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text += " ({} {})".format( |
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frozen_str, _("are frozen") |
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) |
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return text |
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def get_frozen_balance_str(self) -> Optional[str]: |
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frozen_bal = sum(self.wallet.get_frozen_balance()) |
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if not frozen_bal: |
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return None |
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return self.format_amount_and_units(frozen_bal) |
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def do_clear(self): |
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self.max_button.setChecked(False) |
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self.payto_e.do_clear() |
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self.set_onchain(False) |
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for w in [self.comment_e, self.comment_label]: |
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w.setVisible(False) |
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for e in [self.message_e, self.amount_e, self.fiat_send_e]: |
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e.setText('') |
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self.set_field_style(e, None, False) |
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for e in [self.send_button, self.save_button, self.clear_button, self.amount_e, self.fiat_send_e]: |
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e.setEnabled(True) |
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self.window.update_status() |
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run_hook('do_clear', self) |
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def set_onchain(self, b): |
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self._is_onchain = b |
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self.max_button.setEnabled(b) |
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def prepare_for_send_tab_network_lookup(self): |
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self.window.show_send_tab() |
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self.payto_e.disable_checks = True |
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#for e in [self.payto_e, self.message_e]: |
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self.payto_e.setFrozen(True) |
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for btn in [self.save_button, self.send_button, self.clear_button]: |
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btn.setEnabled(False) |
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self.payto_e.setTextNoCheck(_("please wait...")) |
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def payment_request_error(self, error): |
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self.show_message(error) |
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self.do_clear() |
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def set_field_style(self, w, text, validated): |
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from .util import ColorScheme |
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if validated is None: |
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style = ColorScheme.LIGHTBLUE.as_stylesheet(True) |
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elif validated is True: |
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style = ColorScheme.GREEN.as_stylesheet(True) |
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else: |
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style = ColorScheme.RED.as_stylesheet(True) |
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if text is not None: |
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w.setStyleSheet(style) |
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w.setReadOnly(True) |
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else: |
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w.setStyleSheet('') |
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w.setReadOnly(False) |
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def update_fields(self): |
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recipient, amount, description, comment, validated = self.payment_identifier.get_fields_for_GUI() |
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if recipient: |
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self.payto_e.setTextNoCheck(recipient) |
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elif self.payment_identifier.multiline_outputs: |
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self.payto_e.handle_multiline(self.payment_identifier.multiline_outputs) |
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if description: |
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self.message_e.setText(description) |
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if amount: |
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self.amount_e.setAmount(amount) |
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for w in [self.comment_e, self.comment_label]: |
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w.setVisible(not bool(comment)) |
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self.set_field_style(self.payto_e, recipient or self.payment_identifier.multiline_outputs, validated) |
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self.set_field_style(self.message_e, description, validated) |
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self.set_field_style(self.amount_e, amount, validated) |
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self.set_field_style(self.fiat_send_e, amount, validated) |
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def _handle_payment_identifier(self, *, can_use_network: bool = True): |
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is_valid = self.payment_identifier.is_valid() |
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self.save_button.setEnabled(is_valid) |
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self.send_button.setEnabled(is_valid) |
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if not is_valid: |
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return |
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self.update_fields() |
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if self.payment_identifier.need_resolve(): |
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self.prepare_for_send_tab_network_lookup() |
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self.payment_identifier.resolve(on_finished=self.resolve_done_signal.emit) |
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# update fiat amount |
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self.amount_e.textEdited.emit("") |
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self.window.show_send_tab() |
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def on_resolve_done(self, pi): |
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if self.payment_identifier.error: |
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self.show_error(self.payment_identifier.error) |
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self.do_clear() |
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return |
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self.update_fields() |
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for btn in [self.send_button, self.clear_button, self.save_button]: |
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btn.setEnabled(True) |
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def get_message(self): |
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return self.message_e.text() |
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def read_invoice(self) -> Optional[Invoice]: |
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if self.check_payto_line_and_show_errors(): |
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return |
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amount_sat = self.read_amount() |
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if not amount_sat: |
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self.show_error(_('No amount')) |
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return |
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invoice = self.payment_identifier.get_invoice(amount_sat, self.get_message()) |
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#except Exception as e: |
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if not invoice: |
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self.show_error('error getting invoice' + self.payment_identifier.error) |
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return |
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if not self.wallet.has_lightning() and not invoice.can_be_paid_onchain(): |
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self.show_error(_('Lightning is disabled')) |
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if self.wallet.get_invoice_status(invoice) == PR_PAID: |
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# fixme: this is only for bip70 and lightning |
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self.show_error(_('Invoice already paid')) |
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return |
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#if not invoice.is_lightning(): |
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# if self.check_onchain_outputs_and_show_errors(outputs): |
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# return |
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return invoice |
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def do_save_invoice(self): |
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self.pending_invoice = self.read_invoice() |
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if not self.pending_invoice: |
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return |
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self.save_pending_invoice() |
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def save_pending_invoice(self): |
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if not self.pending_invoice: |
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return |
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self.do_clear() |
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self.wallet.save_invoice(self.pending_invoice) |
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self.invoice_list.update() |
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self.pending_invoice = None |
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def get_amount(self) -> int: |
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# must not be None |
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return self.amount_e.get_amount() or 0 |
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def on_round_2(self, pi): |
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self.do_clear() |
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if pi.error: |
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self.show_error(pi.error) |
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self.do_clear() |
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return |
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self.update_fields(pi) |
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invoice = pi.get_invoice(self.get_amount(), self.get_message()) |
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self.pending_invoice = invoice |
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self.do_pay_invoice(invoice) |
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def on_round_3(self): |
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pass |
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def do_pay_or_get_invoice(self): |
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pi = self.payment_identifier |
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if pi.need_finalize(): |
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self.prepare_for_send_tab_network_lookup() |
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pi.finalize(amount_sat=self.get_amount(), comment=self.message_e.text(), |
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on_finished=self.finalize_done_signal.emit) |
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return |
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self.pending_invoice = self.read_invoice() |
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if not self.pending_invoice: |
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return |
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self.do_pay_invoice(self.pending_invoice) |
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def pay_multiple_invoices(self, invoices): |
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outputs = [] |
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for invoice in invoices: |
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outputs += invoice.outputs |
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self.pay_onchain_dialog(outputs) |
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def do_edit_invoice(self, invoice: 'Invoice'): |
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assert not bool(invoice.get_amount_sat()) |
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text = invoice.lightning_invoice if invoice.is_lightning() else invoice.get_address() |
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self.payto_e._on_input_btn(text) |
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self.amount_e.setFocus() |
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# disable save button, because it would create a new invoice |
|
self.save_button.setEnabled(False) |
|
|
|
def do_pay_invoice(self, invoice: 'Invoice'): |
|
if not bool(invoice.get_amount_sat()): |
|
self.show_error(_('No amount')) |
|
return |
|
if invoice.is_lightning(): |
|
self.pay_lightning_invoice(invoice) |
|
else: |
|
self.pay_onchain_dialog(invoice.outputs) |
|
|
|
def read_amount(self) -> List[PartialTxOutput]: |
|
is_max = self.max_button.isChecked() |
|
amount = '!' if is_max else self.get_amount() |
|
return amount |
|
|
|
def check_onchain_outputs_and_show_errors(self, outputs: List[PartialTxOutput]) -> bool: |
|
"""Returns whether there are errors with outputs. |
|
Also shows error dialog to user if so. |
|
""" |
|
if not outputs: |
|
self.show_error(_('No outputs')) |
|
return True |
|
|
|
for o in outputs: |
|
if o.scriptpubkey is None: |
|
self.show_error(_('Bitcoin Address is None')) |
|
return True |
|
if o.value is None: |
|
self.show_error(_('Invalid Amount')) |
|
return True |
|
|
|
return False # no errors |
|
|
|
def check_payto_line_and_show_errors(self) -> bool: |
|
"""Returns whether there are errors. |
|
Also shows error dialog to user if so. |
|
""" |
|
error = self.payment_identifier.get_error() |
|
if error: |
|
if not self.payment_identifier.is_multiline(): |
|
err = error |
|
self.show_warning( |
|
_("Failed to parse 'Pay to' line") + ":\n" + |
|
f"{err.line_content[:40]}...\n\n" |
|
f"{err.exc!r}") |
|
else: |
|
self.show_warning( |
|
_("Invalid Lines found:") + "\n\n" + error) |
|
#'\n'.join([_("Line #") + |
|
# f"{err.idx+1}: {err.line_content[:40]}... ({err.exc!r})" |
|
# for err in errors])) |
|
return True |
|
|
|
warning = self.payment_identifier.warning |
|
if warning: |
|
warning += '\n' + _('Do you wish to continue?') |
|
if not self.question(warning): |
|
return True |
|
|
|
if self.payment_identifier.has_expired(): |
|
self.show_error(_('Payment request has expired')) |
|
return True |
|
|
|
return False # no errors |
|
|
|
def pay_lightning_invoice(self, invoice: Invoice): |
|
amount_sat = invoice.get_amount_sat() |
|
if amount_sat is None: |
|
raise Exception("missing amount for LN invoice") |
|
# note: lnworker might be None if LN is disabled, |
|
# in which case we should still offer the user to pay onchain. |
|
lnworker = self.wallet.lnworker |
|
if lnworker is None or not lnworker.can_pay_invoice(invoice): |
|
coins = self.window.get_coins(nonlocal_only=True) |
|
can_pay_onchain = invoice.can_be_paid_onchain() and self.wallet.can_pay_onchain(invoice.get_outputs(), coins=coins) |
|
can_pay_with_new_channel = False |
|
can_pay_with_swap = False |
|
can_rebalance = False |
|
if lnworker: |
|
can_pay_with_new_channel = lnworker.suggest_funding_amount(amount_sat, coins=coins) |
|
can_pay_with_swap = lnworker.suggest_swap_to_send(amount_sat, coins=coins) |
|
rebalance_suggestion = lnworker.suggest_rebalance_to_send(amount_sat) |
|
can_rebalance = bool(rebalance_suggestion) and self.window.num_tasks() == 0 |
|
choices = {} |
|
if can_rebalance: |
|
msg = ''.join([ |
|
_('Rebalance existing channels'), '\n', |
|
_('Move funds between your channels in order to increase your sending capacity.') |
|
]) |
|
choices[0] = msg |
|
if can_pay_with_new_channel: |
|
msg = ''.join([ |
|
_('Open a new channel'), '\n', |
|
_('You will be able to pay once the channel is open.') |
|
]) |
|
choices[1] = msg |
|
if can_pay_with_swap: |
|
msg = ''.join([ |
|
_('Swap onchain funds for lightning funds'), '\n', |
|
_('You will be able to pay once the swap is confirmed.') |
|
]) |
|
choices[2] = msg |
|
if can_pay_onchain: |
|
msg = ''.join([ |
|
_('Pay onchain'), '\n', |
|
_('Funds will be sent to the invoice fallback address.') |
|
]) |
|
choices[3] = msg |
|
msg = _('You cannot pay that invoice using Lightning.') |
|
if lnworker and lnworker.channels: |
|
num_sats_can_send = int(lnworker.num_sats_can_send()) |
|
msg += '\n' + _('Your channels can send {}.').format(self.format_amount(num_sats_can_send) + ' ' + self.base_unit()) |
|
if not choices: |
|
self.window.show_error(msg) |
|
return |
|
r = self.window.query_choice(msg, choices) |
|
if r is not None: |
|
self.save_pending_invoice() |
|
if r == 0: |
|
chan1, chan2, delta = rebalance_suggestion |
|
self.window.rebalance_dialog(chan1, chan2, amount_sat=delta) |
|
elif r == 1: |
|
amount_sat, min_amount_sat = can_pay_with_new_channel |
|
self.window.new_channel_dialog(amount_sat=amount_sat, min_amount_sat=min_amount_sat) |
|
elif r == 2: |
|
chan, swap_recv_amount_sat = can_pay_with_swap |
|
self.window.run_swap_dialog(is_reverse=False, recv_amount_sat=swap_recv_amount_sat, channels=[chan]) |
|
elif r == 3: |
|
self.pay_onchain_dialog(invoice.get_outputs(), nonlocal_only=True) |
|
return |
|
|
|
assert lnworker is not None |
|
# FIXME this is currently lying to user as we truncate to satoshis |
|
amount_msat = invoice.get_amount_msat() |
|
msg = _("Pay lightning invoice?") + '\n\n' + _("This will send {}?").format(self.format_amount_and_units(Decimal(amount_msat)/1000)) |
|
if not self.question(msg): |
|
return |
|
self.save_pending_invoice() |
|
coro = lnworker.pay_invoice(invoice.lightning_invoice, amount_msat=amount_msat) |
|
self.window.run_coroutine_from_thread(coro, _('Sending payment')) |
|
|
|
def broadcast_transaction(self, tx: Transaction): |
|
|
|
def broadcast_thread(): |
|
# non-GUI thread |
|
if self.payment_identifier.has_expired(): |
|
return False, _("Invoice has expired") |
|
try: |
|
self.network.run_from_another_thread(self.network.broadcast_transaction(tx)) |
|
except TxBroadcastError as e: |
|
return False, e.get_message_for_gui() |
|
except BestEffortRequestFailed as e: |
|
return False, repr(e) |
|
# success |
|
txid = tx.txid() |
|
if self.payment_identifier.needs_round_3(): |
|
refund_address = self.wallet.get_receiving_address() |
|
coro = self.payment_identifier.round_3(tx.serialize(), refund_address) |
|
asyncio.run_coroutine_threadsafe(coro, self.network.asyncio_loop) |
|
return True, txid |
|
|
|
# Capture current TL window; override might be removed on return |
|
parent = self.window.top_level_window(lambda win: isinstance(win, MessageBoxMixin)) |
|
|
|
self.wallet.set_broadcasting(tx, broadcasting_status=PR_BROADCASTING) |
|
|
|
def broadcast_done(result): |
|
# GUI thread |
|
if result: |
|
success, msg = result |
|
if success: |
|
parent.show_message(_('Payment sent.') + '\n' + msg) |
|
self.invoice_list.update() |
|
self.wallet.set_broadcasting(tx, broadcasting_status=PR_BROADCAST) |
|
else: |
|
msg = msg or '' |
|
parent.show_error(msg) |
|
self.wallet.set_broadcasting(tx, broadcasting_status=None) |
|
|
|
WaitingDialog(self, _('Broadcasting transaction...'), |
|
broadcast_thread, broadcast_done, self.window.on_error) |
|
|
|
def toggle_paytomany(self): |
|
self.payto_e.toggle_paytomany() |
|
if self.payto_e.is_paytomany(): |
|
message = '\n'.join([ |
|
_('Enter a list of outputs in the \'Pay to\' field.'), |
|
_('One output per line.'), |
|
_('Format: address, amount'), |
|
_('You may load a CSV file using the file icon.') |
|
]) |
|
self.window.show_tooltip_after_delay(message) |
|
|
|
def payto_contacts(self, labels): |
|
paytos = [self.window.get_contact_payto(label) for label in labels] |
|
self.window.show_send_tab() |
|
self.payto_e.do_clear() |
|
if len(paytos) == 1: |
|
self.payto_e.setText(paytos[0]) |
|
self.amount_e.setFocus() |
|
else: |
|
self.payto_e.setFocus() |
|
text = "\n".join([payto + ", 0" for payto in paytos]) |
|
self.payto_e.setText(text) |
|
self.payto_e.setFocus()
|
|
|