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electrum/electrum/gui/qt/send_tab.py
2023-06-28 16:49:28 +02:00

689 lines
29 KiB
Python

# Copyright (C) 2022 The Electrum developers
# Distributed under the MIT software license, see the accompanying
# file LICENCE or http://www.opensource.org/licenses/mit-license.php
import asyncio
from decimal import Decimal
from typing import Optional, TYPE_CHECKING, Sequence, List, Callable, Any
from PyQt5.QtCore import pyqtSignal, QPoint
from PyQt5.QtWidgets import (QLabel, QVBoxLayout, QGridLayout,
QHBoxLayout, QCompleter, QWidget, QToolTip, QPushButton)
from electrum import util, paymentrequest
from electrum import lnutil
from electrum.plugin import run_hook
from electrum.i18n import _
from electrum.util import get_asyncio_loop, NotEnoughFunds, NoDynamicFeeEstimates, InvoiceError, parse_max_spend
from electrum.payment_identifier import PaymentIdentifier, FailedToParsePaymentIdentifier, InvalidBitcoinURI
from electrum.invoices import PR_PAID, Invoice, PR_BROADCASTING, PR_BROADCAST
from electrum.transaction import Transaction, PartialTxInput, PartialTransaction, PartialTxOutput
from electrum.network import TxBroadcastError, BestEffortRequestFailed
from electrum.logging import Logger
from .amountedit import AmountEdit, BTCAmountEdit, SizedFreezableLineEdit
from .util import WaitingDialog, HelpLabel, MessageBoxMixin, EnterButton, char_width_in_lineedit
from .util import get_iconname_camera, get_iconname_qrcode, read_QIcon
from .confirm_tx_dialog import ConfirmTxDialog
if TYPE_CHECKING:
from .main_window import ElectrumWindow
class SendTab(QWidget, MessageBoxMixin, Logger):
round_1_signal = pyqtSignal(object)
round_2_signal = pyqtSignal(object)
round_3_signal = pyqtSignal(object)
def __init__(self, window: 'ElectrumWindow'):
QWidget.__init__(self, window)
Logger.__init__(self)
self.window = window
self.wallet = window.wallet
self.fx = window.fx
self.config = window.config
self.network = window.network
self.format_amount_and_units = window.format_amount_and_units
self.format_amount = window.format_amount
self.base_unit = window.base_unit
self.payment_identifier = None
self.pending_invoice = None
# A 4-column grid layout. All the stretch is in the last column.
# The exchange rate plugin adds a fiat widget in column 2
self.send_grid = grid = QGridLayout()
grid.setSpacing(8)
grid.setColumnStretch(3, 1)
from .paytoedit import PayToEdit
self.amount_e = BTCAmountEdit(self.window.get_decimal_point)
self.payto_e = PayToEdit(self)
msg = (_("Recipient of the funds.") + "\n\n"
+ _("You may enter a Bitcoin address, a label from your list of contacts "
"(a list of completions will be proposed), "
"or an alias (email-like address that forwards to a Bitcoin address)") + ". "
+ _("Lightning invoices are also supported.") + "\n\n"
+ _("You can also pay to many outputs in a single transaction, "
"specifying one output per line.") + "\n" + _("Format: address, amount") + "\n"
+ _("To set the amount to 'max', use the '!' special character.") + "\n"
+ _("Integers weights can also be used in conjunction with '!', "
"e.g. set one amount to '2!' and another to '3!' to split your coins 40-60."))
payto_label = HelpLabel(_('Pay to'), msg)
grid.addWidget(payto_label, 0, 0)
grid.addWidget(self.payto_e.line_edit, 0, 1, 1, 4)
grid.addWidget(self.payto_e.text_edit, 0, 1, 1, 4)
#completer = QCompleter()
#completer.setCaseSensitivity(False)
#self.payto_e.set_completer(completer)
#completer.setModel(self.window.completions)
msg = _('Description of the transaction (not mandatory).') + '\n\n' \
+ _(
'The description is not sent to the recipient of the funds. It is stored in your wallet file, and displayed in the \'History\' tab.')
description_label = HelpLabel(_('Description'), msg)
grid.addWidget(description_label, 1, 0)
self.message_e = SizedFreezableLineEdit(width=600)
grid.addWidget(self.message_e, 1, 1, 1, 4)
msg = _('Comment for recipient')
self.comment_label = HelpLabel(_('Comment'), msg)
grid.addWidget(self.comment_label, 2, 0)
self.comment_e = SizedFreezableLineEdit(width=600)
grid.addWidget(self.comment_e, 2, 1, 1, 4)
self.comment_label.hide()
self.comment_e.hide()
msg = (_('The amount to be received by the recipient.') + ' '
+ _('Fees are paid by the sender.') + '\n\n'
+ _('The amount will be displayed in red if you do not have enough funds in your wallet.') + ' '
+ _('Note that if you have frozen some of your addresses, the available funds will be lower than your total balance.') + '\n\n'
+ _('Keyboard shortcut: type "!" to send all your coins.'))
amount_label = HelpLabel(_('Amount'), msg)
grid.addWidget(amount_label, 3, 0)
grid.addWidget(self.amount_e, 3, 1)
self.fiat_send_e = AmountEdit(self.fx.get_currency if self.fx else '')
if not self.fx or not self.fx.is_enabled():
self.fiat_send_e.setVisible(False)
grid.addWidget(self.fiat_send_e, 3, 2)
self.amount_e.frozen.connect(
lambda: self.fiat_send_e.setFrozen(self.amount_e.isReadOnly()))
self.window.connect_fields(self.amount_e, self.fiat_send_e)
self.max_button = EnterButton(_("Max"), self.spend_max)
btn_width = 10 * char_width_in_lineedit()
self.max_button.setFixedWidth(btn_width)
self.max_button.setCheckable(True)
grid.addWidget(self.max_button, 3, 3)
self.save_button = EnterButton(_("Save"), self.do_save_invoice)
self.send_button = EnterButton(_("Pay") + "...", self.do_pay_or_get_invoice)
self.clear_button = EnterButton(_("Clear"), self.do_clear)
self.paste_button = QPushButton()
self.paste_button.clicked.connect(self.do_paste)
self.paste_button.setIcon(read_QIcon('copy.png'))
self.paste_button.setToolTip(_('Paste invoice from clipboard'))
self.paste_button.setMaximumWidth(35)
grid.addWidget(self.paste_button, 0, 5)
buttons = QHBoxLayout()
buttons.addStretch(1)
#buttons.addWidget(self.paste_button)
buttons.addWidget(self.clear_button)
buttons.addWidget(self.save_button)
buttons.addWidget(self.send_button)
grid.addLayout(buttons, 6, 1, 1, 4)
self.amount_e.shortcut.connect(self.spend_max)
def reset_max(text):
self.max_button.setChecked(False)
enable = not bool(text) and not self.amount_e.isReadOnly()
# self.max_button.setEnabled(enable)
self.amount_e.textEdited.connect(reset_max)
self.fiat_send_e.textEdited.connect(reset_max)
self.set_onchain(False)
self.invoices_label = QLabel(_('Invoices'))
from .invoice_list import InvoiceList
self.invoice_list = InvoiceList(self)
self.toolbar, menu = self.invoice_list.create_toolbar_with_menu('')
menu.addAction(read_QIcon(get_iconname_camera()), _("Read QR code with camera"), self.payto_e.on_qr_from_camera_input_btn)
menu.addAction(read_QIcon("picture_in_picture.png"), _("Read QR code from screen"), self.payto_e.on_qr_from_screenshot_input_btn)
menu.addAction(read_QIcon("file.png"), _("Read invoice from file"), self.payto_e.on_input_file)
self.paytomany_menu = menu.addToggle(_("&Pay to many"), self.toggle_paytomany)
menu.addSeparator()
menu.addAction(_("Import invoices"), self.window.import_invoices)
menu.addAction(_("Export invoices"), self.window.export_invoices)
vbox0 = QVBoxLayout()
vbox0.addLayout(grid)
hbox = QHBoxLayout()
hbox.addLayout(vbox0)
hbox.addStretch(1)
vbox = QVBoxLayout(self)
vbox.addLayout(self.toolbar)
vbox.addLayout(hbox)
vbox.addStretch(1)
vbox.addWidget(self.invoices_label)
vbox.addWidget(self.invoice_list)
vbox.setStretchFactor(self.invoice_list, 1000)
self.searchable_list = self.invoice_list
self.invoice_list.update() # after parented and put into a layout, can update without flickering
run_hook('create_send_tab', grid)
self.round_1_signal.connect(self.on_round_1)
self.round_2_signal.connect(self.on_round_2)
self.round_3_signal.connect(self.on_round_3)
def do_paste(self):
text = self.window.app.clipboard().text()
if not text:
return
self.set_payment_identifier(text)
def set_payment_identifier(self, text):
pi = PaymentIdentifier(self.config, self.window.contacts, text)
if pi.error:
self.show_error(_('Clipboard text is not a valid payment identifier') + '\n' + pi.error)
return
if pi.is_multiline():
self.payto_e.set_paytomany(True)
self.payto_e.text_edit.setText(text)
else:
self.payto_e.setTextNoCheck(text)
self.handle_payment_identifier(pi, can_use_network=True)
def spend_max(self):
if run_hook('abort_send', self):
return
amount = self.get_amount()
outputs = self.payment_identifier.get_onchain_outputs(amount)
if not outputs:
return
make_tx = lambda fee_est, *, confirmed_only=False: self.wallet.make_unsigned_transaction(
coins=self.window.get_coins(),
outputs=outputs,
fee=fee_est,
is_sweep=False)
try:
try:
tx = make_tx(None)
except (NotEnoughFunds, NoDynamicFeeEstimates) as e:
# Check if we had enough funds excluding fees,
# if so, still provide opportunity to set lower fees.
tx = make_tx(0)
except NotEnoughFunds as e:
self.max_button.setChecked(False)
text = self.get_text_not_enough_funds_mentioning_frozen()
self.show_error(text)
return
self.max_button.setChecked(True)
amount = tx.output_value()
__, x_fee_amount = run_hook('get_tx_extra_fee', self.wallet, tx) or (None, 0)
amount_after_all_fees = amount - x_fee_amount
self.amount_e.setAmount(amount_after_all_fees)
# show tooltip explaining max amount
mining_fee = tx.get_fee()
mining_fee_str = self.format_amount_and_units(mining_fee)
msg = _("Mining fee: {} (can be adjusted on next screen)").format(mining_fee_str)
if x_fee_amount:
twofactor_fee_str = self.format_amount_and_units(x_fee_amount)
msg += "\n" + _("2fa fee: {} (for the next batch of transactions)").format(twofactor_fee_str)
frozen_bal = self.get_frozen_balance_str()
if frozen_bal:
msg += "\n" + _("Some coins are frozen: {} (can be unfrozen in the Addresses or in the Coins tab)").format(frozen_bal)
QToolTip.showText(self.max_button.mapToGlobal(QPoint(0, 0)), msg)
def pay_onchain_dialog(
self,
outputs: List[PartialTxOutput], *,
nonlocal_only=False,
external_keypairs=None,
get_coins: Callable[..., Sequence[PartialTxInput]] = None,
) -> None:
# trustedcoin requires this
if run_hook('abort_send', self):
return
is_sweep = bool(external_keypairs)
# we call get_coins inside make_tx, so that inputs can be changed dynamically
if get_coins is None:
get_coins = self.window.get_coins
make_tx = lambda fee_est, *, confirmed_only=False: self.wallet.make_unsigned_transaction(
coins=get_coins(nonlocal_only=nonlocal_only, confirmed_only=confirmed_only),
outputs=outputs,
fee=fee_est,
is_sweep=is_sweep)
output_values = [x.value for x in outputs]
is_max = any(parse_max_spend(outval) for outval in output_values)
output_value = '!' if is_max else sum(output_values)
conf_dlg = ConfirmTxDialog(window=self.window, make_tx=make_tx, output_value=output_value)
if conf_dlg.not_enough_funds:
# note: use confirmed_only=False here, regardless of config setting,
# as the user needs to get to ConfirmTxDialog to change the config setting
if not conf_dlg.can_pay_assuming_zero_fees(confirmed_only=False):
text = self.get_text_not_enough_funds_mentioning_frozen()
self.show_message(text)
return
tx = conf_dlg.run()
if tx is None:
# user cancelled
return
is_preview = conf_dlg.is_preview
if is_preview:
self.window.show_transaction(tx, external_keypairs=external_keypairs)
return
self.save_pending_invoice()
def sign_done(success):
if success:
self.window.broadcast_or_show(tx)
self.window.sign_tx(
tx,
callback=sign_done,
external_keypairs=external_keypairs)
def get_text_not_enough_funds_mentioning_frozen(self) -> str:
text = _("Not enough funds")
frozen_str = self.get_frozen_balance_str()
if frozen_str:
text += " ({} {})".format(
frozen_str, _("are frozen")
)
return text
def get_frozen_balance_str(self) -> Optional[str]:
frozen_bal = sum(self.wallet.get_frozen_balance())
if not frozen_bal:
return None
return self.format_amount_and_units(frozen_bal)
def do_clear(self):
self.max_button.setChecked(False)
self.payto_e.do_clear()
self.set_onchain(False)
for w in [self.comment_e, self.comment_label]:
w.setVisible(False)
for e in [self.message_e, self.amount_e, self.fiat_send_e]:
e.setText('')
self.set_field_style(e, None, False)
for e in [self.send_button, self.save_button, self.clear_button, self.amount_e, self.fiat_send_e]:
e.setEnabled(True)
self.window.update_status()
run_hook('do_clear', self)
def set_onchain(self, b):
self._is_onchain = b
self.max_button.setEnabled(b)
def prepare_for_send_tab_network_lookup(self):
self.window.show_send_tab()
self.payto_e.disable_checks = True
#for e in [self.payto_e, self.message_e]:
self.payto_e.setFrozen(True)
for btn in [self.save_button, self.send_button, self.clear_button]:
btn.setEnabled(False)
self.payto_e.setTextNoCheck(_("please wait..."))
def payment_request_error(self, error):
self.show_message(error)
self.do_clear()
def set_field_style(self, w, text, validated):
from .util import ColorScheme
if validated is None:
style = ColorScheme.LIGHTBLUE.as_stylesheet(True)
elif validated is True:
style = ColorScheme.GREEN.as_stylesheet(True)
else:
style = ColorScheme.RED.as_stylesheet(True)
if text is not None:
w.setStyleSheet(style)
w.setReadOnly(True)
else:
w.setStyleSheet('')
w.setReadOnly(False)
def update_fields(self, pi):
recipient, amount, description, comment, validated = pi.get_fields_for_GUI(self.wallet)
if recipient:
self.payto_e.setTextNoCheck(recipient)
elif pi.multiline_outputs:
self.payto_e.handle_multiline(pi.multiline_outputs)
if description:
self.message_e.setText(description)
if amount:
self.amount_e.setAmount(amount)
for w in [self.comment_e, self.comment_label]:
w.setVisible(not bool(comment))
self.set_field_style(self.payto_e, recipient or pi.multiline_outputs, validated)
self.set_field_style(self.message_e, description, validated)
self.set_field_style(self.amount_e, amount, validated)
self.set_field_style(self.fiat_send_e, amount, validated)
def handle_payment_identifier(self, pi, *, can_use_network: bool = True):
self.payment_identifier = pi
is_valid = pi.is_valid()
self.save_button.setEnabled(is_valid)
self.send_button.setEnabled(is_valid)
if not is_valid:
return
self.update_fields(pi)
if can_use_network and pi.needs_round_1():
coro = pi.round_1(on_success=self.round_1_signal.emit)
asyncio.run_coroutine_threadsafe(coro, get_asyncio_loop())
self.prepare_for_send_tab_network_lookup()
# update fiat amount
self.amount_e.textEdited.emit("")
self.window.show_send_tab()
def on_round_1(self, pi):
if pi.error:
self.show_error(pi.error)
self.do_clear()
return
self.update_fields(pi)
for btn in [self.send_button, self.clear_button, self.save_button]:
btn.setEnabled(True)
def get_message(self):
return self.message_e.text()
def read_invoice(self) -> Optional[Invoice]:
if self.check_payto_line_and_show_errors():
return
amount_sat = self.read_amount()
if not amount_sat:
self.show_error(_('No amount'))
return
invoice = self.payment_identifier.get_invoice(self.wallet, amount_sat, self.get_message())
#except Exception as e:
if not invoice:
self.show_error('error getting invoice' + self.payment_identifier.error)
return
if not self.wallet.has_lightning() and not invoice.can_be_paid_onchain():
self.show_error(_('Lightning is disabled'))
if self.wallet.get_invoice_status(invoice) == PR_PAID:
# fixme: this is only for bip70 and lightning
self.show_error(_('Invoice already paid'))
return
#if not invoice.is_lightning():
# if self.check_onchain_outputs_and_show_errors(outputs):
# return
return invoice
def do_save_invoice(self):
self.pending_invoice = self.read_invoice()
if not self.pending_invoice:
return
self.save_pending_invoice()
def save_pending_invoice(self):
if not self.pending_invoice:
return
self.do_clear()
self.wallet.save_invoice(self.pending_invoice)
self.invoice_list.update()
self.pending_invoice = None
def get_amount(self) -> int:
# must not be None
return self.amount_e.get_amount() or 0
def on_round_2(self, pi):
self.do_clear()
if pi.error:
self.show_error(pi.error)
self.do_clear()
return
self.update_fields(pi)
invoice = pi.get_invoice(self.wallet, self.get_amount(), self.get_message())
self.pending_invoice = invoice
self.do_pay_invoice(invoice)
def on_round_3(self):
pass
def do_pay_or_get_invoice(self):
pi = self.payment_identifier
if pi.needs_round_2():
coro = pi.round_2(self.round_2_signal.emit, amount_sat=self.get_amount(), comment=self.message_e.text())
asyncio.run_coroutine_threadsafe(coro, get_asyncio_loop()) # TODO should be cancellable
self.prepare_for_send_tab_network_lookup()
return
self.pending_invoice = self.read_invoice()
if not self.pending_invoice:
return
self.do_pay_invoice(self.pending_invoice)
def pay_multiple_invoices(self, invoices):
outputs = []
for invoice in invoices:
outputs += invoice.outputs
self.pay_onchain_dialog(outputs)
def do_edit_invoice(self, invoice: 'Invoice'):
assert not bool(invoice.get_amount_sat())
text = invoice.lightning_invoice if invoice.is_lightning() else invoice.get_address()
self.payto_e._on_input_btn(text)
self.amount_e.setFocus()
# 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()