588 lines
23 KiB
Python
588 lines
23 KiB
Python
from functools import partial
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import threading
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from PIL import Image
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from PyQt4.Qt import Qt
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from PyQt4.Qt import QGridLayout, QInputDialog, QPushButton
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from PyQt4.Qt import QVBoxLayout, QLabel, SIGNAL
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from electrum_gui.qt.main_window import StatusBarButton
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from electrum_gui.qt.password_dialog import PasswordDialog, PW_PASSPHRASE
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from electrum_gui.qt.util import *
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from .plugin import TrezorCompatiblePlugin, TIM_NEW, TIM_RECOVER, TIM_MNEMONIC
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from electrum.i18n import _
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from electrum.plugins import hook, DeviceMgr
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from electrum.util import PrintError
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from electrum.wallet import Wallet, BIP44_Wallet
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from electrum.wizard import UserCancelled
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# By far the trickiest thing about this handler is the window stack;
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# MacOSX is very fussy the modal dialogs are perfectly parented
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class QtHandler(PrintError):
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'''An interface between the GUI (here, QT) and the device handling
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logic for handling I/O. This is a generic implementation of the
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Trezor protocol; derived classes can customize it.'''
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def __init__(self, win, pin_matrix_widget_class, device):
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win.connect(win, SIGNAL('clear_dialog'), self.clear_dialog)
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win.connect(win, SIGNAL('error_dialog'), self.error_dialog)
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win.connect(win, SIGNAL('message_dialog'), self.message_dialog)
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win.connect(win, SIGNAL('pin_dialog'), self.pin_dialog)
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win.connect(win, SIGNAL('passphrase_dialog'), self.passphrase_dialog)
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win.connect(win, SIGNAL('word_dialog'), self.word_dialog)
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self.win = win
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self.pin_matrix_widget_class = pin_matrix_widget_class
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self.device = device
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self.dialog = None
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self.done = threading.Event()
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def top_level_window(self):
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return self.win.top_level_window()
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def watching_only_changed(self):
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self.win.emit(SIGNAL('watching_only_changed'))
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def show_message(self, msg, on_cancel=None):
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self.win.emit(SIGNAL('message_dialog'), msg, on_cancel)
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def show_error(self, msg):
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self.win.emit(SIGNAL('error_dialog'), msg)
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def finished(self):
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self.win.emit(SIGNAL('clear_dialog'))
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def get_pin(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('pin_dialog'), msg)
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self.done.wait()
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return self.response
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def get_word(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('word_dialog'), msg)
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self.done.wait()
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return self.word
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def get_passphrase(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('passphrase_dialog'), msg)
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self.done.wait()
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return self.passphrase
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def pin_dialog(self, msg):
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# Needed e.g. when resetting a device
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self.clear_dialog()
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dialog = WindowModalDialog(self.top_level_window(), _("Enter PIN"))
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matrix = self.pin_matrix_widget_class()
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vbox = QVBoxLayout()
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vbox.addWidget(QLabel(msg))
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vbox.addWidget(matrix)
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vbox.addLayout(Buttons(CancelButton(dialog), OkButton(dialog)))
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dialog.setLayout(vbox)
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dialog.exec_()
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self.response = str(matrix.get_value())
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self.done.set()
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def passphrase_dialog(self, msg):
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d = PasswordDialog(self.top_level_window(), None, msg, PW_PASSPHRASE)
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confirmed, p, passphrase = d.run()
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if confirmed:
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passphrase = BIP44_Wallet.normalize_passphrase(passphrase)
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self.passphrase = passphrase
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self.done.set()
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def word_dialog(self, msg):
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dialog = WindowModalDialog(self.top_level_window(), "")
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hbox = QHBoxLayout(dialog)
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hbox.addWidget(QLabel(msg))
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text = QLineEdit()
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text.setMaximumWidth(100)
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text.returnPressed.connect(dialog.accept)
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hbox.addWidget(text)
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hbox.addStretch(1)
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if not dialog.exec_():
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return None
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self.word = unicode(text.text())
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self.done.set()
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def message_dialog(self, msg, on_cancel):
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# Called more than once during signing, to confirm output and fee
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self.clear_dialog()
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title = _('Please check your %s device') % self.device
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self.dialog = dialog = WindowModalDialog(self.top_level_window(), title)
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l = QLabel(msg)
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vbox = QVBoxLayout(dialog)
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vbox.addWidget(l)
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if on_cancel:
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dialog.rejected.connect(on_cancel)
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vbox.addLayout(Buttons(CancelButton(dialog)))
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dialog.show()
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def error_dialog(self, msg):
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self.win.show_error(msg, parent=self.top_level_window())
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def clear_dialog(self):
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if self.dialog:
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self.dialog.accept()
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self.dialog = None
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def query_choice(self, msg, labels):
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return self.win.query_choice(msg, labels)
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def request_trezor_init_settings(self, method, device):
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wizard = self.win
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vbox = QVBoxLayout()
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next_enabled=True
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def clean_text(widget):
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text = unicode(widget.toPlainText()).strip()
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return ' '.join(text.split())
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if method in [TIM_NEW, TIM_RECOVER]:
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gb = QGroupBox()
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vbox1 = QVBoxLayout()
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gb.setLayout(vbox1)
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vbox.addWidget(gb)
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gb.setTitle(_("Select your seed length:"))
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choices = [
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_("12 words"),
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_("18 words"),
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_("24 words"),
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]
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bg = QButtonGroup()
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for i, choice in enumerate(choices):
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rb = QRadioButton(gb)
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rb.setText(choice)
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bg.addButton(rb)
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bg.setId(rb, i)
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vbox1.addWidget(rb)
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rb.setChecked(True)
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cb_pin = QCheckBox(_('Enable PIN protection'))
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cb_pin.setChecked(True)
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else:
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text = QTextEdit()
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text.setMaximumHeight(60)
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if method == TIM_MNEMONIC:
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msg = _("Enter your BIP39 mnemonic:")
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else:
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msg = _("Enter the master private key beginning with xprv:")
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def set_enabled():
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wizard.next_button.setEnabled(Wallet.is_xprv(clean_text(text)))
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text.textChanged.connect(set_enabled)
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next_enabled = False
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vbox.addWidget(QLabel(msg))
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vbox.addWidget(text)
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pin = QLineEdit()
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pin.setValidator(QRegExpValidator(QRegExp('[1-9]{0,10}')))
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pin.setMaximumWidth(100)
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hbox_pin = QHBoxLayout()
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hbox_pin.addWidget(QLabel(_("Enter your PIN (digits 1-9):")))
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hbox_pin.addWidget(pin)
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hbox_pin.addStretch(1)
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label = QLabel(_("Enter a label to name your device:"))
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name = QLineEdit()
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hl = QHBoxLayout()
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hl.addWidget(label)
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hl.addWidget(name)
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hl.addStretch(1)
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vbox.addLayout(hl)
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if method in [TIM_NEW, TIM_RECOVER]:
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vbox.addWidget(cb_pin)
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else:
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vbox.addLayout(hbox_pin)
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cb_phrase = QCheckBox(_('Enable Passphrase protection'))
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cb_phrase.setChecked(False)
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vbox.addWidget(cb_phrase)
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title = _("Initialization settings for your %s:") % device
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wizard.set_main_layout(vbox, next_enabled=next_enabled, title=title)
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if method in [TIM_NEW, TIM_RECOVER]:
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item = bg.checkedId()
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pin = cb_pin.isChecked()
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else:
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item = ' '.join(str(clean_text(text)).split())
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pin = str(pin.text())
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return (item, unicode(name.text()), pin, cb_phrase.isChecked())
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def qt_plugin_class(base_plugin_class):
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class QtPlugin(base_plugin_class):
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# Derived classes must provide the following class-static variables:
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# icon_file
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# pin_matrix_widget_class
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def create_handler(self, window):
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return QtHandler(window, self.pin_matrix_widget_class(), self.device)
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@hook
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def load_wallet(self, wallet, window):
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if type(wallet) != self.wallet_class:
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return
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window.tzb = StatusBarButton(QIcon(self.icon_file), self.device,
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partial(self.settings_dialog, window))
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window.statusBar().addPermanentWidget(window.tzb)
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wallet.handler = self.create_handler(window)
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# Trigger a pairing
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self.get_client(wallet)
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def on_create_wallet(self, wallet, wizard):
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assert type(wallet) == self.wallet_class
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wallet.handler = self.create_handler(wizard)
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self.select_device(wallet)
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wallet.create_hd_account(None)
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@hook
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def receive_menu(self, menu, addrs, wallet):
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if type(wallet) == self.wallet_class and len(addrs) == 1:
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menu.addAction(_("Show on %s") % self.device,
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lambda: self.show_address(wallet, addrs[0]))
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def settings_dialog(self, window):
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hid_id = self.choose_device(window)
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if hid_id:
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SettingsDialog(window, self, hid_id).exec_()
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def choose_device(self, window):
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'''This dialog box should be usable even if the user has
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forgotten their PIN or it is in bootloader mode.'''
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handler = window.wallet.handler
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hid_id = self.device_manager().wallet_hid_id(window.wallet)
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if not hid_id:
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clients, labels = self.unpaired_clients(handler)
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if clients:
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msg = _("Select a %s device:") % self.device
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choice = self.query_choice(window, msg, labels)
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if choice is not None:
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hid_id = clients[choice].hid_id()
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else:
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handler.show_error(_("No devices found"))
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return hid_id
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def query_choice(self, window, msg, choices):
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dialog = WindowModalDialog(window)
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clayout = ChoicesLayout(msg, choices)
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layout = clayout.layout()
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layout.addStretch(1)
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layout.addLayout(Buttons(CancelButton(dialog), OkButton(dialog)))
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dialog.setLayout(layout)
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if not dialog.exec_():
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return None
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return clayout.selected_index()
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return QtPlugin
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class SettingsDialog(WindowModalDialog):
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'''This dialog doesn't require a device be paired with a wallet.
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We want users to be able to wipe a device even if they've forgotten
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their PIN.'''
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def __init__(self, window, plugin, hid_id):
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title = _("%s Settings") % plugin.device
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super(SettingsDialog, self).__init__(window, title)
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self.setMaximumWidth(540)
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devmgr = plugin.device_manager()
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handler = window.wallet.handler
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# wallet can be None, needn't be window.wallet
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wallet = devmgr.wallet_by_hid_id(hid_id)
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hs_rows, hs_cols = (64, 128)
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def get_client():
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client = devmgr.client_by_hid_id(hid_id, handler)
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if not client:
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self.show_error("Device not connected!")
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raise RuntimeError("Device not connected")
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return client
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def update():
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# self.features for outer scopes
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client = get_client()
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features = self.features = client.features
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set_label_enabled()
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bl_hash = features.bootloader_hash.encode('hex')
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bl_hash = "\n".join([bl_hash[:32], bl_hash[32:]])
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noyes = [_("No"), _("Yes")]
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endis = [_("Enable Passphrases"), _("Disable Passphrases")]
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setchange = [_("Set a PIN"), _("Change PIN")]
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version = "%d.%d.%d" % (features.major_version,
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features.minor_version,
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features.patch_version)
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coins = ", ".join(coin.coin_name for coin in features.coins)
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device_label.setText(features.label)
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pin_set_label.setText(noyes[features.pin_protection])
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bl_hash_label.setText(bl_hash)
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label_edit.setText(features.label)
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device_id_label.setText(features.device_id)
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serial_number_label.setText(client.hid_id())
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initialized_label.setText(noyes[features.initialized])
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version_label.setText(version)
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coins_label.setText(coins)
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clear_pin_button.setVisible(features.pin_protection)
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clear_pin_warning.setVisible(features.pin_protection)
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pin_button.setText(setchange[features.pin_protection])
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pin_msg.setVisible(not features.pin_protection)
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passphrase_button.setText(endis[features.passphrase_protection])
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language_label.setText(features.language)
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def set_label_enabled():
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label_apply.setEnabled(label_edit.text() != self.features.label)
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def rename():
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get_client().change_label(unicode(label_edit.text()))
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update()
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def toggle_passphrase():
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title = _("Confirm Toggle Passphrase Protection")
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msg = _("This will cause your Electrum wallet to be unpaired "
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"unless your passphrase was or will be empty.\n\n"
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"This is because addresses will no "
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"longer correspond to those used by your %s.\n\n"
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"You will need to create a new Electrum wallet "
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"with the install wizard so that they match.\n\n"
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"Are you sure you want to proceed?") % plugin.device
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if not self.question(msg, title=title):
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return
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get_client().toggle_passphrase()
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devmgr.unpair(hid_id)
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update()
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def change_homescreen():
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dialog = QFileDialog(self, _("Choose Homescreen"))
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filename = dialog.getOpenFileName()
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if filename:
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im = Image.open(str(filename))
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if im.size != (hs_cols, hs_rows):
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raise Exception('Image must be 64 x 128 pixels')
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im = im.convert('1')
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pix = im.load()
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img = ''
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for j in range(hs_rows):
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for i in range(hs_cols):
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img += '1' if pix[i, j] else '0'
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img = ''.join(chr(int(img[i:i + 8], 2))
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for i in range(0, len(img), 8))
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get_client().change_homescreen(img)
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def clear_homescreen():
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get_client().change_homescreen('\x00')
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def set_pin(remove=False):
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get_client().set_pin(remove=remove)
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update()
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def clear_pin():
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set_pin(remove=True)
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def wipe_device():
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if wallet and sum(wallet.get_balance()):
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title = _("Confirm Device Wipe")
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msg = _("Are you SURE you want to wipe the device?\n"
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"Your wallet still has bitcoins in it!")
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if not self.question(msg, title=title,
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icon=QMessageBox.Critical):
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return
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get_client().wipe_device()
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devmgr.unpair(hid_id)
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update()
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def slider_moved():
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mins = timeout_slider.sliderPosition()
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timeout_minutes.setText(_("%2d minutes") % mins)
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def slider_released():
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seconds = timeout_slider.sliderPosition() * 60
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wallet.set_session_timeout(seconds)
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dialog_vbox = QVBoxLayout(self)
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# Information tab
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info_tab = QWidget()
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info_layout = QVBoxLayout(info_tab)
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info_glayout = QGridLayout()
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info_glayout.setColumnStretch(2, 1)
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device_label = QLabel()
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pin_set_label = QLabel()
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version_label = QLabel()
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device_id_label = QLabel()
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serial_number_label = QLabel()
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bl_hash_label = QLabel()
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bl_hash_label.setWordWrap(True)
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coins_label = QLabel()
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coins_label.setWordWrap(True)
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language_label = QLabel()
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initialized_label = QLabel()
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rows = [
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(_("Device Label"), device_label),
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(_("PIN set"), pin_set_label),
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(_("Firmware Version"), version_label),
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(_("Device ID"), device_id_label),
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(_("Serial Number"), serial_number_label),
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(_("Bootloader Hash"), bl_hash_label),
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(_("Supported Coins"), coins_label),
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(_("Language"), language_label),
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(_("Initialized"), initialized_label),
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]
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for row_num, (label, widget) in enumerate(rows):
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info_glayout.addWidget(QLabel(label), row_num, 0)
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info_glayout.addWidget(widget, row_num, 1)
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info_layout.addLayout(info_glayout)
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# Settings tab
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settings_tab = QWidget()
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settings_layout = QVBoxLayout(settings_tab)
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settings_glayout = QGridLayout()
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# Settings tab - Label
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label_msg = QLabel(_("Name this %s. If you have mutiple devices "
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"their labels help distinguish them.")
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% plugin.device)
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label_msg.setWordWrap(True)
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label_label = QLabel(_("Device Label"))
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label_edit = QLineEdit()
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label_edit.setMinimumWidth(150)
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label_edit.setMaxLength(plugin.MAX_LABEL_LEN)
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label_apply = QPushButton(_("Apply"))
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label_apply.clicked.connect(rename)
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label_edit.textChanged.connect(set_label_enabled)
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settings_glayout.addWidget(label_label, 0, 0)
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settings_glayout.addWidget(label_edit, 0, 1, 1, 2)
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settings_glayout.addWidget(label_apply, 0, 3)
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settings_glayout.addWidget(label_msg, 1, 1, 1, -1)
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# Settings tab - PIN
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pin_label = QLabel(_("PIN Protection"))
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pin_button = QPushButton()
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pin_button.clicked.connect(set_pin)
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settings_glayout.addWidget(pin_label, 2, 0)
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settings_glayout.addWidget(pin_button, 2, 1)
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pin_msg = QLabel(_("PIN protection is strongly recommended. "
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"A PIN is your only protection against someone "
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"stealing your bitcoins if they obtain physical "
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"access to your %s.") % plugin.device)
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pin_msg.setWordWrap(True)
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pin_msg.setStyleSheet("color: red")
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settings_glayout.addWidget(pin_msg, 3, 1, 1, -1)
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# Settings tab - Homescreen
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homescreen_layout = QHBoxLayout()
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homescreen_label = QLabel(_("Homescreen"))
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homescreen_change_button = QPushButton(_("Change..."))
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homescreen_clear_button = QPushButton(_("Reset"))
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homescreen_change_button.clicked.connect(change_homescreen)
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homescreen_clear_button.clicked.connect(clear_homescreen)
|
|
homescreen_msg = QLabel(_("You can set the homescreen on your device "
|
|
"to personalize it. You must choose a "
|
|
"%d x %d monochrome black and white image.")
|
|
% (hs_rows, hs_cols))
|
|
homescreen_msg.setWordWrap(True)
|
|
settings_glayout.addWidget(homescreen_label, 4, 0)
|
|
settings_glayout.addWidget(homescreen_change_button, 4, 1)
|
|
settings_glayout.addWidget(homescreen_clear_button, 4, 2)
|
|
settings_glayout.addWidget(homescreen_msg, 5, 1, 1, -1)
|
|
|
|
# Settings tab - Session Timeout
|
|
if wallet:
|
|
timeout_label = QLabel(_("Session Timeout"))
|
|
timeout_minutes = QLabel()
|
|
timeout_slider = QSlider(Qt.Horizontal)
|
|
timeout_slider.setRange(1, 60)
|
|
timeout_slider.setSingleStep(1)
|
|
timeout_slider.setTickInterval(5)
|
|
timeout_slider.setTickPosition(QSlider.TicksBelow)
|
|
timeout_slider.setTracking(True)
|
|
timeout_msg = QLabel(
|
|
_("Clear the session after the specified period "
|
|
"of inactivity. Once a session has timed out, "
|
|
"your PIN and passphrase (if enabled) must be "
|
|
"re-entered to use the device."))
|
|
timeout_msg.setWordWrap(True)
|
|
timeout_slider.setSliderPosition(wallet.session_timeout // 60)
|
|
slider_moved()
|
|
timeout_slider.valueChanged.connect(slider_moved)
|
|
timeout_slider.sliderReleased.connect(slider_released)
|
|
settings_glayout.addWidget(timeout_label, 6, 0)
|
|
settings_glayout.addWidget(timeout_slider, 6, 1, 1, 3)
|
|
settings_glayout.addWidget(timeout_minutes, 6, 4)
|
|
settings_glayout.addWidget(timeout_msg, 7, 1, 1, -1)
|
|
settings_layout.addLayout(settings_glayout)
|
|
settings_layout.addStretch(1)
|
|
|
|
# Advanced tab
|
|
advanced_tab = QWidget()
|
|
advanced_layout = QVBoxLayout(advanced_tab)
|
|
advanced_glayout = QGridLayout()
|
|
|
|
# Advanced tab - clear PIN
|
|
clear_pin_button = QPushButton(_("Disable PIN"))
|
|
clear_pin_button.clicked.connect(clear_pin)
|
|
clear_pin_warning = QLabel(
|
|
_("If you disable your PIN, anyone with physical access to your "
|
|
"%s device can spend your bitcoins.") % plugin.device)
|
|
clear_pin_warning.setWordWrap(True)
|
|
clear_pin_warning.setStyleSheet("color: red")
|
|
advanced_glayout.addWidget(clear_pin_button, 0, 2)
|
|
advanced_glayout.addWidget(clear_pin_warning, 1, 0, 1, 5)
|
|
|
|
# Advanced tab - toggle passphrase protection
|
|
passphrase_button = QPushButton()
|
|
passphrase_button.clicked.connect(toggle_passphrase)
|
|
passphrase_msg = QLabel(
|
|
_("Passphrases allow you to access new wallets, each "
|
|
"hidden behind a particular case-sensitive passphrase. You "
|
|
"need to create a separate Electrum wallet for each passphrase "
|
|
"you use as they each generate different addresses. Changing "
|
|
"your passphrase does not lose other wallets, each is still "
|
|
"accessible behind its own passphrase."))
|
|
passphrase_msg.setWordWrap(True)
|
|
passphrase_warning = QLabel(
|
|
_("If you forget a passphrase you will be unable to access any "
|
|
"bitcoins in the wallet behind it. A passphrase is not a PIN. "
|
|
"Only change this if you are sure you understand it."))
|
|
passphrase_warning.setWordWrap(True)
|
|
passphrase_warning.setStyleSheet("color: red")
|
|
advanced_glayout.addWidget(passphrase_button, 3, 2)
|
|
advanced_glayout.addWidget(passphrase_msg, 4, 0, 1, 5)
|
|
advanced_glayout.addWidget(passphrase_warning, 5, 0, 1, 5)
|
|
|
|
# Advanced tab - wipe device
|
|
wipe_device_button = QPushButton(_("Wipe Device"))
|
|
wipe_device_button.clicked.connect(wipe_device)
|
|
wipe_device_msg = QLabel(
|
|
_("Wipe the device, removing all data from it. The firmware "
|
|
"is left unchanged."))
|
|
wipe_device_msg.setWordWrap(True)
|
|
wipe_device_warning = QLabel(
|
|
_("Only wipe a device if you have the recovery seed written down "
|
|
"and the device wallet(s) are empty, otherwise the bitcoins "
|
|
"will be lost forever."))
|
|
wipe_device_warning.setWordWrap(True)
|
|
wipe_device_warning.setStyleSheet("color: red")
|
|
advanced_glayout.addWidget(wipe_device_button, 6, 2)
|
|
advanced_glayout.addWidget(wipe_device_msg, 7, 0, 1, 5)
|
|
advanced_glayout.addWidget(wipe_device_warning, 8, 0, 1, 5)
|
|
advanced_layout.addLayout(advanced_glayout)
|
|
advanced_layout.addStretch(1)
|
|
|
|
tabs = QTabWidget(self)
|
|
tabs.addTab(info_tab, _("Information"))
|
|
tabs.addTab(settings_tab, _("Settings"))
|
|
tabs.addTab(advanced_tab, _("Advanced"))
|
|
|
|
# Update information
|
|
update()
|
|
dialog_vbox.addWidget(tabs)
|
|
dialog_vbox.addLayout(Buttons(CloseButton(self)))
|