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410 lines
15 KiB
410 lines
15 KiB
import sys |
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from PyQt4.QtGui import * |
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from PyQt4.QtCore import * |
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import PyQt4.QtCore as QtCore |
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import electrum |
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from electrum.wallet import Wallet |
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from electrum.mnemonic import prepare_seed |
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from electrum.util import UserCancelled |
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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 SeedDisplayLayout, SeedWarningLayout, SeedInputLayout |
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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, PW_PASSPHRASE |
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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_SHOW_MPK = _("Here is your master public key:") |
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MSG_ENTER_PASSWORD = _("Choose a password to encrypt your wallet keys. " |
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"Enter nothing if you want to disable encryption.") |
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MSG_RESTORE_PASSPHRASE = \ |
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_("Please enter the passphrase you used when creating your %s wallet. " |
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"Note this is NOT a password. Enter nothing if you did not use " |
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"one or are unsure.") |
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def clean_text(seed_e): |
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text = unicode(seed_e.toPlainText()).strip() |
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text = ' '.join(text.split()) |
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return text |
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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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import math |
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bgcolor = self.palette().color(QPalette.Background) |
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pen = QPen(bgcolor, 7, QtCore.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() |
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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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apply(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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def __init__(self, config, app, plugins, network, storage): |
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BaseWizard.__init__(self, config, network, 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(530, 370) |
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self.setMaximumSize(530, 370) |
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self.connect(self, QtCore.SIGNAL('accept'), self.accept) |
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self.title = WWLabel() |
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self.main_widget = QWidget() |
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self.back_button = QPushButton(_("Back"), self) |
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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 = 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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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.addLayout(inner_vbox) |
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hbox.setStretchFactor(inner_vbox, 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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# Show network dialog if config does not exist |
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if self.network: |
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if self.config.get('auto_connect') is None: |
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self.choose_server(self.network) |
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action = self.get_action() |
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if action != 'new': |
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self.hide() |
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path = self.storage.path |
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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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import os |
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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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return |
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self.show() |
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self.run(action) |
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return self.wallet |
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def finished(self): |
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'''Ensure the dialog is closed.''' |
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self.accept() |
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self.refresh_gui() |
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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_main_layout(self, layout, title=None, raise_on_cancel=True, |
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next_enabled=True): |
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self.title.setText(title or "") |
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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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self.main_widget.setVisible(True) |
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self.please_wait.setVisible(False) |
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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 = SeedInputLayout(title=message) |
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def sanitized_seed(): |
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return clean_text(slayout.seed_edit()) |
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def set_enabled(): |
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self.next_button.setEnabled(is_valid(sanitized_seed())) |
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slayout.seed_edit().textChanged.connect(set_enabled) |
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self.set_main_layout(slayout.layout(), title, next_enabled=False) |
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seed = sanitized_seed() |
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return seed |
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@wizard_dialog |
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def restore_keys_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 of your cosigner.'), |
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_('Enter their seed or master private key 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, is_valid): |
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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.text_input(title, message, is_valid) |
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@wizard_dialog |
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def confirm_seed_dialog(self, run_next, is_valid): |
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self.app.clipboard().clear() |
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title = _('Confirm Seed') |
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message = _("Your seed is important!\nTo make sure that you have properly saved your seed, please retype it here.") |
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return self.text_input(title, message, is_valid) |
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@wizard_dialog |
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def show_seed_dialog(self, run_next, seed_text): |
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slayout = SeedWarningLayout(seed_text) |
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self.set_main_layout(slayout.layout()) |
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return seed_text |
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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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self.set_main_layout(playout.layout()) |
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return playout.new_password() |
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@wizard_dialog |
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def request_passphrase(self, device_text, run_next): |
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"""When restoring a wallet, request the passphrase that was used for |
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the wallet on the given device and confirm it. Should return |
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a unicode string.""" |
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phrase = self.pw_layout(MSG_RESTORE_PASSPHRASE % device_text, |
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PW_PASSPHRASE) |
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if phrase is None: |
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raise UserCancelled |
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return phrase |
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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.emit(QtCore.SIGNAL('synchronized'), msg) |
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self.connect(self, QtCore.SIGNAL('synchronized'), 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, msg, run_next): |
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self.confirm(msg) |
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def confirm(self, msg): |
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vbox = QVBoxLayout() |
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vbox.addWidget(WWLabel(msg)) |
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self.set_main_layout(vbox) |
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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.wallet.start_threads(self.network) |
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self.emit(QtCore.SIGNAL('accept')) |
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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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@wizard_dialog |
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def choice_dialog(self, title, message, choices, run_next): |
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c_values = map(lambda x: x[0], choices) |
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c_titles = map(lambda x: x[1], 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.set_main_layout(vbox, title) |
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action = c_values[clayout.selected_index()] |
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return action |
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@wizard_dialog |
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def show_xpub_dialog(self, xpub, run_next): |
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vbox = QVBoxLayout() |
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layout = SeedDisplayLayout(xpub, title=_('Master Public Key'), sid='hot') |
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vbox.addLayout(layout.layout()) |
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self.set_main_layout(vbox, MSG_SHOW_MPK) |
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return None |
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def choose_server(self, network): |
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title = _("Electrum communicates with remote servers to get " |
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"information about your transactions and addresses. The " |
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"servers all fulfil 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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choices_title = _("How do you want to connect to a server? ") |
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clayout = ChoicesLayout(choices_title, choices) |
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self.set_main_layout(clayout.layout(), title) |
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auto_connect = True |
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if clayout.selected_index() == 1: |
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nlayout = NetworkChoiceLayout(network, self.config, wizard=True) |
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if self.set_main_layout(nlayout.layout(), raise_on_cancel=False): |
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nlayout.accept() |
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auto_connect = False |
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self.config.set_key('auto_connect', auto_connect, True) |
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network.auto_connect = auto_connect |
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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.set_main_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)
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