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213 lines
7.3 KiB
213 lines
7.3 KiB
# Copyright (C) 2021 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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from typing import TYPE_CHECKING |
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from PyQt5.QtWidgets import (QCheckBox, QLabel, QVBoxLayout, QGridLayout, QWidget, |
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QPushButton, QHBoxLayout, QComboBox) |
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from .amountedit import FeerateEdit |
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from .fee_slider import FeeSlider, FeeComboBox |
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from .util import (ColorScheme, WindowModalDialog, Buttons, |
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OkButton, WWLabel, CancelButton) |
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from electrum.i18n import _ |
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from electrum.transaction import PartialTransaction |
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from electrum.wallet import BumpFeeStrategy |
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if TYPE_CHECKING: |
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from .main_window import ElectrumWindow |
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class _BaseRBFDialog(WindowModalDialog): |
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def __init__( |
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self, |
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*, |
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main_window: 'ElectrumWindow', |
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tx: PartialTransaction, |
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txid: str, |
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title: str, |
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help_text: str, |
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): |
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WindowModalDialog.__init__(self, main_window, title=title) |
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self.window = main_window |
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self.wallet = main_window.wallet |
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self.tx = tx |
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assert txid |
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self.txid = txid |
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fee = tx.get_fee() |
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assert fee is not None |
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tx_size = tx.estimated_size() |
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old_fee_rate = fee / tx_size # sat/vbyte |
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vbox = QVBoxLayout(self) |
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vbox.addWidget(WWLabel(help_text)) |
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ok_button = OkButton(self) |
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self.adv_button = QPushButton(_("Show advanced settings")) |
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warning_label = WWLabel('\n') |
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warning_label.setStyleSheet(ColorScheme.RED.as_stylesheet()) |
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self.feerate_e = FeerateEdit(lambda: 0) |
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self.feerate_e.setAmount(max(old_fee_rate * 1.5, old_fee_rate + 1)) |
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def on_feerate(): |
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fee_rate = self.feerate_e.get_amount() |
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warning_text = '\n' |
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if fee_rate is not None: |
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try: |
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new_tx = self.rbf_func(fee_rate) |
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except Exception as e: |
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new_tx = None |
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warning_text = str(e).replace('\n', ' ') |
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else: |
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new_tx = None |
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ok_button.setEnabled(new_tx is not None) |
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warning_label.setText(warning_text) |
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self.feerate_e.textChanged.connect(on_feerate) |
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def on_slider(dyn, pos, fee_rate): |
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fee_slider.activate() |
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if fee_rate is not None: |
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self.feerate_e.setAmount(fee_rate / 1000) |
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fee_slider = FeeSlider(self.window, self.window.config, on_slider) |
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fee_combo = FeeComboBox(fee_slider) |
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fee_slider.deactivate() |
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self.feerate_e.textEdited.connect(fee_slider.deactivate) |
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grid = QGridLayout() |
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grid.addWidget(QLabel(_('Current Fee') + ':'), 0, 0) |
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grid.addWidget(QLabel(self.window.format_amount(fee) + ' ' + self.window.base_unit()), 0, 1) |
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grid.addWidget(QLabel(_('Current Fee rate') + ':'), 1, 0) |
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grid.addWidget(QLabel(self.window.format_fee_rate(1000 * old_fee_rate)), 1, 1) |
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grid.addWidget(QLabel(_('New Fee rate') + ':'), 2, 0) |
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grid.addWidget(self.feerate_e, 2, 1) |
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grid.addWidget(fee_slider, 3, 1) |
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grid.addWidget(fee_combo, 3, 2) |
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vbox.addLayout(grid) |
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self._add_advanced_options_cont(vbox) |
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vbox.addWidget(warning_label) |
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btns_hbox = QHBoxLayout() |
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btns_hbox.addWidget(self.adv_button) |
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btns_hbox.addStretch(1) |
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btns_hbox.addWidget(CancelButton(self)) |
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btns_hbox.addWidget(ok_button) |
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vbox.addLayout(btns_hbox) |
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def rbf_func(self, fee_rate) -> PartialTransaction: |
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raise NotImplementedError() # implemented by subclasses |
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def _add_advanced_options_cont(self, vbox: QVBoxLayout) -> None: |
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adv_vbox = QVBoxLayout() |
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adv_vbox.setContentsMargins(0, 0, 0, 0) |
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adv_widget = QWidget() |
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adv_widget.setLayout(adv_vbox) |
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adv_widget.setVisible(False) |
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def show_adv_settings(): |
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self.adv_button.setEnabled(False) |
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adv_widget.setVisible(True) |
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self.adv_button.clicked.connect(show_adv_settings) |
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self._add_advanced_options(adv_vbox) |
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vbox.addWidget(adv_widget) |
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def _add_advanced_options(self, adv_vbox: QVBoxLayout) -> None: |
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self.cb_rbf = QCheckBox(_('Keep Replace-By-Fee enabled')) |
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self.cb_rbf.setChecked(True) |
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adv_vbox.addWidget(self.cb_rbf) |
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def run(self) -> None: |
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if not self.exec_(): |
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return |
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is_rbf = self.cb_rbf.isChecked() |
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new_fee_rate = self.feerate_e.get_amount() |
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try: |
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new_tx = self.rbf_func(new_fee_rate) |
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except Exception as e: |
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self.window.show_error(str(e)) |
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return |
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new_tx.set_rbf(is_rbf) |
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tx_label = self.wallet.get_label_for_txid(self.txid) |
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self.window.show_transaction(new_tx, tx_desc=tx_label) |
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# TODO maybe save tx_label as label for new tx?? |
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class BumpFeeDialog(_BaseRBFDialog): |
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def __init__( |
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self, |
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*, |
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main_window: 'ElectrumWindow', |
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tx: PartialTransaction, |
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txid: str, |
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): |
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help_text = _("Increase your transaction's fee to improve its position in mempool.") |
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_BaseRBFDialog.__init__( |
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self, |
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main_window=main_window, |
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tx=tx, |
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txid=txid, |
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title=_('Bump Fee'), |
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help_text=help_text, |
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) |
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def rbf_func(self, fee_rate): |
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return self.wallet.bump_fee( |
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tx=self.tx, |
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txid=self.txid, |
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new_fee_rate=fee_rate, |
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coins=self.window.get_coins(), |
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strategies=self.option_index_to_strats[self.strat_combo.currentIndex()], |
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) |
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def _add_advanced_options(self, adv_vbox: QVBoxLayout) -> None: |
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self.cb_rbf = QCheckBox(_('Keep Replace-By-Fee enabled')) |
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self.cb_rbf.setChecked(True) |
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adv_vbox.addWidget(self.cb_rbf) |
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self.strat_combo = QComboBox() |
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options = [ |
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_("decrease change, or add new inputs, or decrease any outputs"), |
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_("decrease change, or decrease any outputs"), |
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_("decrease payment"), |
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] |
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self.option_index_to_strats = { |
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0: [BumpFeeStrategy.COINCHOOSER, BumpFeeStrategy.DECREASE_CHANGE], |
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1: [BumpFeeStrategy.DECREASE_CHANGE], |
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2: [BumpFeeStrategy.DECREASE_PAYMENT], |
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} |
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self.strat_combo.addItems(options) |
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self.strat_combo.setCurrentIndex(0) |
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strat_hbox = QHBoxLayout() |
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strat_hbox.addWidget(QLabel(_("Strategy") + ":")) |
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strat_hbox.addWidget(self.strat_combo) |
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strat_hbox.addStretch(1) |
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adv_vbox.addLayout(strat_hbox) |
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class DSCancelDialog(_BaseRBFDialog): |
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def __init__( |
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self, |
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*, |
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main_window: 'ElectrumWindow', |
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tx: PartialTransaction, |
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txid: str, |
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): |
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help_text = _( |
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"Cancel an unconfirmed RBF transaction by double-spending " |
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"its inputs back to your wallet with a higher fee.") |
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_BaseRBFDialog.__init__( |
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self, |
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main_window=main_window, |
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tx=tx, |
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txid=txid, |
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title=_('Cancel transaction'), |
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help_text=help_text, |
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) |
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def rbf_func(self, fee_rate): |
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return self.wallet.dscancel(tx=self.tx, new_fee_rate=fee_rate)
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