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545 lines
20 KiB
545 lines
20 KiB
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import os |
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import sys |
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import threading |
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import traceback |
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from PyQt5.QtCore import * |
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from PyQt5.QtGui import * |
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from PyQt5.QtWidgets import * |
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from electrum import Wallet, WalletStorage |
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from electrum.util import UserCancelled, InvalidPassword |
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from electrum.base_wizard import BaseWizard |
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from electrum.i18n import _ |
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from .seed_dialog import SeedLayout, KeysLayout |
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from .network_dialog import NetworkChoiceLayout |
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from .util import * |
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from .password_dialog import PasswordLayout, PW_NEW |
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class GoBack(Exception): |
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pass |
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MSG_GENERATING_WAIT = _("Electrum is generating your addresses, please wait...") |
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MSG_ENTER_ANYTHING = _("Please enter a seed phrase, a master key, a list of " |
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"Bitcoin addresses, or a list of private keys") |
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MSG_ENTER_SEED_OR_MPK = _("Please enter a seed phrase or a master key (xpub or xprv):") |
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MSG_COSIGNER = _("Please enter the master public key of cosigner #%d:") |
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MSG_ENTER_PASSWORD = _("Choose a password to encrypt your wallet keys.") + '\n'\ |
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+ _("Leave this field empty if you want to disable encryption.") |
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MSG_RESTORE_PASSPHRASE = \ |
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_("Please enter your seed derivation passphrase. " |
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"Note: this is NOT your encryption password. " |
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"Leave this field empty if you did not use one or are unsure.") |
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class CosignWidget(QWidget): |
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size = 120 |
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def __init__(self, m, n): |
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QWidget.__init__(self) |
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self.R = QRect(0, 0, self.size, self.size) |
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self.setGeometry(self.R) |
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self.setMinimumHeight(self.size) |
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self.setMaximumHeight(self.size) |
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self.m = m |
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self.n = n |
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def set_n(self, n): |
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self.n = n |
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self.update() |
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def set_m(self, m): |
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self.m = m |
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self.update() |
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def paintEvent(self, event): |
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bgcolor = self.palette().color(QPalette.Background) |
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pen = QPen(bgcolor, 7, Qt.SolidLine) |
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qp = QPainter() |
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qp.begin(self) |
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qp.setPen(pen) |
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qp.setRenderHint(QPainter.Antialiasing) |
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qp.setBrush(Qt.gray) |
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for i in range(self.n): |
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alpha = int(16* 360 * i/self.n) |
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alpha2 = int(16* 360 * 1/self.n) |
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qp.setBrush(Qt.green if i<self.m else Qt.gray) |
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qp.drawPie(self.R, alpha, alpha2) |
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qp.end() |
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def wizard_dialog(func): |
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def func_wrapper(*args, **kwargs): |
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run_next = kwargs['run_next'] |
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wizard = args[0] |
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wizard.back_button.setText(_('Back') if wizard.can_go_back() else _('Cancel')) |
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try: |
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out = func(*args, **kwargs) |
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except GoBack: |
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wizard.go_back() if wizard.can_go_back() else wizard.close() |
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return |
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except UserCancelled: |
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return |
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#if out is None: |
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# out = () |
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if type(out) is not tuple: |
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out = (out,) |
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run_next(*out) |
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return func_wrapper |
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# WindowModalDialog must come first as it overrides show_error |
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class InstallWizard(QDialog, MessageBoxMixin, BaseWizard): |
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accept_signal = pyqtSignal() |
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synchronized_signal = pyqtSignal(str) |
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def __init__(self, config, app, plugins, storage): |
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BaseWizard.__init__(self, config, storage) |
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QDialog.__init__(self, None) |
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self.setWindowTitle('Electrum - ' + _('Install Wizard')) |
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self.app = app |
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self.config = config |
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# Set for base base class |
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self.plugins = plugins |
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self.language_for_seed = config.get('language') |
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self.setMinimumSize(600, 400) |
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self.accept_signal.connect(self.accept) |
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self.title = QLabel() |
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self.main_widget = QWidget() |
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self.back_button = QPushButton(_("Back"), self) |
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self.back_button.setText(_('Back') if self.can_go_back() else _('Cancel')) |
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self.next_button = QPushButton(_("Next"), self) |
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self.next_button.setDefault(True) |
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self.logo = QLabel() |
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self.please_wait = QLabel(_("Please wait...")) |
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self.please_wait.setAlignment(Qt.AlignCenter) |
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self.icon_filename = None |
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self.loop = QEventLoop() |
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self.rejected.connect(lambda: self.loop.exit(0)) |
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self.back_button.clicked.connect(lambda: self.loop.exit(1)) |
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self.next_button.clicked.connect(lambda: self.loop.exit(2)) |
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outer_vbox = QVBoxLayout(self) |
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inner_vbox = QVBoxLayout() |
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inner_vbox.addWidget(self.title) |
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inner_vbox.addWidget(self.main_widget) |
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inner_vbox.addStretch(1) |
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inner_vbox.addWidget(self.please_wait) |
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inner_vbox.addStretch(1) |
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scroll_widget = QWidget() |
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scroll_widget.setLayout(inner_vbox) |
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scroll = QScrollArea() |
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scroll.setWidget(scroll_widget) |
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scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) |
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scroll.setWidgetResizable(True) |
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icon_vbox = QVBoxLayout() |
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icon_vbox.addWidget(self.logo) |
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icon_vbox.addStretch(1) |
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hbox = QHBoxLayout() |
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hbox.addLayout(icon_vbox) |
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hbox.addSpacing(5) |
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hbox.addWidget(scroll) |
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hbox.setStretchFactor(scroll, 1) |
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outer_vbox.addLayout(hbox) |
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outer_vbox.addLayout(Buttons(self.back_button, self.next_button)) |
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self.set_icon(':icons/electrum.png') |
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self.show() |
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self.raise_() |
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self.refresh_gui() # Need for QT on MacOSX. Lame. |
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def run_and_get_wallet(self): |
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vbox = QVBoxLayout() |
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hbox = QHBoxLayout() |
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hbox.addWidget(QLabel(_('Wallet') + ':')) |
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self.name_e = QLineEdit() |
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hbox.addWidget(self.name_e) |
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button = QPushButton(_('Choose...')) |
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hbox.addWidget(button) |
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vbox.addLayout(hbox) |
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self.msg_label = QLabel('') |
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vbox.addWidget(self.msg_label) |
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hbox2 = QHBoxLayout() |
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self.pw_e = QLineEdit('', self) |
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self.pw_e.setFixedWidth(150) |
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self.pw_e.setEchoMode(2) |
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self.pw_label = QLabel(_('Password') + ':') |
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hbox2.addWidget(self.pw_label) |
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hbox2.addWidget(self.pw_e) |
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hbox2.addStretch() |
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vbox.addLayout(hbox2) |
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self.set_layout(vbox, title=_('Electrum wallet')) |
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wallet_folder = os.path.dirname(self.storage.path) |
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def on_choose(): |
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path, __ = QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder) |
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if path: |
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self.name_e.setText(path) |
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def on_filename(filename): |
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path = os.path.join(wallet_folder, filename) |
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try: |
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self.storage = WalletStorage(path, manual_upgrades=True) |
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except IOError: |
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self.storage = None |
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if self.storage: |
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if not self.storage.file_exists(): |
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msg =_("This file does not exist.") + '\n' \ |
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+ _("Press 'Next' to create this wallet, or choose another file.") |
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pw = False |
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elif self.storage.file_exists() and self.storage.is_encrypted(): |
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msg = _("This file is encrypted.") + '\n' + _('Enter your password or choose another file.') |
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pw = True |
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else: |
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msg = _("Press 'Next' to open this wallet.") |
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pw = False |
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else: |
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msg = _('Cannot read file') |
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pw = False |
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self.msg_label.setText(msg) |
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if pw: |
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self.pw_label.show() |
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self.pw_e.show() |
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self.pw_e.setFocus() |
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else: |
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self.pw_label.hide() |
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self.pw_e.hide() |
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button.clicked.connect(on_choose) |
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self.name_e.textChanged.connect(on_filename) |
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n = os.path.basename(self.storage.path) |
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self.name_e.setText(n) |
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while True: |
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if self.storage.file_exists() and not self.storage.is_encrypted(): |
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break |
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if self.loop.exec_() != 2: # 2 = next |
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return |
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if not self.storage.file_exists(): |
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break |
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if self.storage.file_exists() and self.storage.is_encrypted(): |
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password = self.pw_e.text() |
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try: |
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self.storage.decrypt(password) |
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break |
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except InvalidPassword as e: |
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QMessageBox.information(None, _('Error'), str(e)) |
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continue |
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except BaseException as e: |
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traceback.print_exc(file=sys.stdout) |
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QMessageBox.information(None, _('Error'), str(e)) |
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return |
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path = self.storage.path |
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if self.storage.requires_split(): |
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self.hide() |
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msg = _("The wallet '%s' contains multiple accounts, which are no longer supported since Electrum 2.7.\n\n" |
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"Do you want to split your wallet into multiple files?"%path) |
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if not self.question(msg): |
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return |
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file_list = '\n'.join(self.storage.split_accounts()) |
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msg = _('Your accounts have been moved to') + ':\n' + file_list + '\n\n'+ _('Do you want to delete the old file') + ':\n' + path |
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if self.question(msg): |
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os.remove(path) |
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self.show_warning(_('The file was removed')) |
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return |
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if self.storage.requires_upgrade(): |
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self.storage.upgrade() |
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self.wallet = Wallet(self.storage) |
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return self.wallet |
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action = self.storage.get_action() |
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if action and action != 'new': |
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self.hide() |
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msg = _("The file '%s' contains an incompletely created wallet.\n" |
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"Do you want to complete its creation now?") % path |
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if not self.question(msg): |
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if self.question(_("Do you want to delete '%s'?") % path): |
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os.remove(path) |
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self.show_warning(_('The file was removed')) |
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return |
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self.show() |
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if action: |
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# self.wallet is set in run |
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self.run(action) |
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return self.wallet |
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self.wallet = Wallet(self.storage) |
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return self.wallet |
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def finished(self): |
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"""Called in hardware client wrapper, in order to close popups.""" |
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return |
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def on_error(self, exc_info): |
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if not isinstance(exc_info[1], UserCancelled): |
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traceback.print_exception(*exc_info) |
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self.show_error(str(exc_info[1])) |
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def set_icon(self, filename): |
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prior_filename, self.icon_filename = self.icon_filename, filename |
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self.logo.setPixmap(QPixmap(filename).scaledToWidth(60)) |
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return prior_filename |
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def set_layout(self, layout, title=None, next_enabled=True): |
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self.title.setText("<b>%s</b>"%title if title else "") |
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self.title.setVisible(bool(title)) |
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# Get rid of any prior layout by assigning it to a temporary widget |
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prior_layout = self.main_widget.layout() |
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if prior_layout: |
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QWidget().setLayout(prior_layout) |
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self.main_widget.setLayout(layout) |
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self.back_button.setEnabled(True) |
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self.next_button.setEnabled(next_enabled) |
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if next_enabled: |
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self.next_button.setFocus() |
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self.main_widget.setVisible(True) |
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self.please_wait.setVisible(False) |
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def exec_layout(self, layout, title=None, raise_on_cancel=True, |
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next_enabled=True): |
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self.set_layout(layout, title, next_enabled) |
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result = self.loop.exec_() |
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if not result and raise_on_cancel: |
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raise UserCancelled |
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if result == 1: |
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raise GoBack |
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self.title.setVisible(False) |
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self.back_button.setEnabled(False) |
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self.next_button.setEnabled(False) |
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self.main_widget.setVisible(False) |
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self.please_wait.setVisible(True) |
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self.refresh_gui() |
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return result |
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def refresh_gui(self): |
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# For some reason, to refresh the GUI this needs to be called twice |
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self.app.processEvents() |
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self.app.processEvents() |
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def remove_from_recently_open(self, filename): |
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self.config.remove_from_recently_open(filename) |
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def text_input(self, title, message, is_valid): |
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slayout = KeysLayout(parent=self, title=message, is_valid=is_valid) |
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self.exec_layout(slayout, title, next_enabled=False) |
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return slayout.get_text() |
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def seed_input(self, title, message, is_seed, options): |
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slayout = SeedLayout(title=message, is_seed=is_seed, options=options, parent=self) |
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self.exec_layout(slayout, title, next_enabled=False) |
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return slayout.get_seed(), slayout.is_bip39, slayout.is_ext |
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@wizard_dialog |
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def add_xpub_dialog(self, title, message, is_valid, run_next): |
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return self.text_input(title, message, is_valid) |
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@wizard_dialog |
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def add_cosigner_dialog(self, run_next, index, is_valid): |
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title = _("Add Cosigner") + " %d"%index |
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message = ' '.join([ |
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_('Please enter the master public key (xpub) of your cosigner.'), |
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_('Enter their master private key (xprv) if you want to be able to sign for them.') |
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]) |
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return self.text_input(title, message, is_valid) |
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@wizard_dialog |
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def restore_seed_dialog(self, run_next, test): |
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options = [] |
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if self.opt_ext: |
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options.append('ext') |
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if self.opt_bip39: |
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options.append('bip39') |
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title = _('Enter Seed') |
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message = _('Please enter your seed phrase in order to restore your wallet.') |
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return self.seed_input(title, message, test, options) |
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@wizard_dialog |
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def confirm_seed_dialog(self, run_next, test): |
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self.app.clipboard().clear() |
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title = _('Confirm Seed') |
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message = ' '.join([ |
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_('Your seed is important!'), |
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_('If you lose your seed, your money will be permanently lost.'), |
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_('To make sure that you have properly saved your seed, please retype it here.') |
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]) |
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seed, is_bip39, is_ext = self.seed_input(title, message, test, None) |
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return seed |
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@wizard_dialog |
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def show_seed_dialog(self, run_next, seed_text): |
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title = _("Your wallet generation seed is:") |
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slayout = SeedLayout(seed=seed_text, title=title, msg=True, options=['ext']) |
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self.exec_layout(slayout) |
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return slayout.is_ext |
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def pw_layout(self, msg, kind): |
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playout = PasswordLayout(None, msg, kind, self.next_button) |
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playout.encrypt_cb.setChecked(True) |
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self.exec_layout(playout.layout()) |
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return playout.new_password(), playout.encrypt_cb.isChecked() |
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@wizard_dialog |
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def request_password(self, run_next): |
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"""Request the user enter a new password and confirm it. Return |
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the password or None for no password.""" |
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return self.pw_layout(MSG_ENTER_PASSWORD, PW_NEW) |
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def show_restore(self, wallet, network): |
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# FIXME: these messages are shown after the install wizard is |
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# finished and the window closed. On MacOSX they appear parented |
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# with a re-appeared ghost install wizard window... |
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if network: |
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def task(): |
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wallet.wait_until_synchronized() |
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if wallet.is_found(): |
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msg = _("Recovery successful") |
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else: |
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msg = _("No transactions found for this seed") |
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self.synchronized_signal.emit(msg) |
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self.synchronized_signal.connect(self.show_message) |
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t = threading.Thread(target = task) |
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t.daemon = True |
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t.start() |
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else: |
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msg = _("This wallet was restored offline. It may " |
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"contain more addresses than displayed.") |
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self.show_message(msg) |
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@wizard_dialog |
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def confirm_dialog(self, title, message, run_next): |
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self.confirm(message, title) |
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def confirm(self, message, title): |
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label = WWLabel(message) |
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vbox = QVBoxLayout() |
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vbox.addWidget(label) |
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self.exec_layout(vbox, title) |
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@wizard_dialog |
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def action_dialog(self, action, run_next): |
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self.run(action) |
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def terminate(self): |
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self.accept_signal.emit() |
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def waiting_dialog(self, task, msg): |
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self.please_wait.setText(MSG_GENERATING_WAIT) |
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self.refresh_gui() |
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t = threading.Thread(target = task) |
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t.start() |
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t.join() |
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@wizard_dialog |
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def choice_dialog(self, title, message, choices, run_next): |
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c_values = [x[0] for x in choices] |
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c_titles = [x[1] for x in choices] |
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clayout = ChoicesLayout(message, c_titles) |
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vbox = QVBoxLayout() |
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vbox.addLayout(clayout.layout()) |
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self.exec_layout(vbox, title) |
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action = c_values[clayout.selected_index()] |
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return action |
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def query_choice(self, msg, choices): |
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"""called by hardware wallets""" |
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clayout = ChoicesLayout(msg, choices) |
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vbox = QVBoxLayout() |
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vbox.addLayout(clayout.layout()) |
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self.exec_layout(vbox, '') |
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return clayout.selected_index() |
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@wizard_dialog |
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def line_dialog(self, run_next, title, message, default, test, warning=''): |
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vbox = QVBoxLayout() |
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vbox.addWidget(WWLabel(message)) |
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line = QLineEdit() |
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line.setText(default) |
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def f(text): |
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self.next_button.setEnabled(test(text)) |
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line.textEdited.connect(f) |
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vbox.addWidget(line) |
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vbox.addWidget(WWLabel(warning)) |
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self.exec_layout(vbox, title, next_enabled=test(default)) |
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return ' '.join(line.text().split()) |
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@wizard_dialog |
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def show_xpub_dialog(self, xpub, run_next): |
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msg = ' '.join([ |
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_("Here is your master public key."), |
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_("Please share it with your cosigners.") |
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]) |
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vbox = QVBoxLayout() |
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layout = SeedLayout(xpub, title=msg, icon=False) |
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vbox.addLayout(layout.layout()) |
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self.exec_layout(vbox, _('Master Public Key')) |
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return None |
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def init_network(self, network): |
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message = _("Electrum communicates with remote servers to get " |
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"information about your transactions and addresses. The " |
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"servers all fulfill the same purpose only differing in " |
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"hardware. In most cases you simply want to let Electrum " |
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"pick one at random. However if you prefer feel free to " |
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"select a server manually.") |
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choices = [_("Auto connect"), _("Select server manually")] |
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title = _("How do you want to connect to a server? ") |
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clayout = ChoicesLayout(message, choices) |
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self.back_button.setText(_('Cancel')) |
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self.exec_layout(clayout.layout(), title) |
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r = clayout.selected_index() |
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if r == 1: |
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nlayout = NetworkChoiceLayout(network, self.config, wizard=True) |
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if self.exec_layout(nlayout.layout()): |
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nlayout.accept() |
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else: |
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network.auto_connect = True |
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self.config.set_key('auto_connect', True, True) |
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@wizard_dialog |
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def multisig_dialog(self, run_next): |
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cw = CosignWidget(2, 2) |
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m_edit = QSlider(Qt.Horizontal, self) |
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n_edit = QSlider(Qt.Horizontal, self) |
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n_edit.setMinimum(2) |
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n_edit.setMaximum(15) |
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m_edit.setMinimum(1) |
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m_edit.setMaximum(2) |
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n_edit.setValue(2) |
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m_edit.setValue(2) |
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n_label = QLabel() |
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m_label = QLabel() |
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grid = QGridLayout() |
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grid.addWidget(n_label, 0, 0) |
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grid.addWidget(n_edit, 0, 1) |
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grid.addWidget(m_label, 1, 0) |
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grid.addWidget(m_edit, 1, 1) |
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def on_m(m): |
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m_label.setText(_('Require %d signatures')%m) |
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cw.set_m(m) |
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def on_n(n): |
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n_label.setText(_('From %d cosigners')%n) |
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cw.set_n(n) |
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m_edit.setMaximum(n) |
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n_edit.valueChanged.connect(on_n) |
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m_edit.valueChanged.connect(on_m) |
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on_n(2) |
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on_m(2) |
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vbox = QVBoxLayout() |
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vbox.addWidget(cw) |
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vbox.addWidget(WWLabel(_("Choose the number of signatures needed to unlock funds in your wallet:"))) |
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vbox.addLayout(grid) |
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self.exec_layout(vbox, _("Multi-Signature Wallet")) |
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m = int(m_edit.value()) |
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n = int(n_edit.value()) |
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return (m, n)
|
|
|