599 lines
24 KiB
Python
599 lines
24 KiB
Python
from functools import partial
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import threading
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from PyQt5.Qt import Qt
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from PyQt5.Qt import QGridLayout, QInputDialog, QPushButton
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from PyQt5.Qt import QVBoxLayout, QLabel
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from electrum_zclassic_gui.qt.util import *
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from .trezor import TIM_NEW, TIM_RECOVER, TIM_MNEMONIC
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from ..hw_wallet.qt import QtHandlerBase, QtPluginBase
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from electrum_zclassic.i18n import _
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from electrum_zclassic.plugins import hook, DeviceMgr
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from electrum_zclassic.util import PrintError, UserCancelled, bh2u
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from electrum_zclassic.wallet import Wallet, Standard_Wallet
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PASSPHRASE_HELP_SHORT =_(
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"Passphrases allow you to access new wallets, each "
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"hidden behind a particular case-sensitive passphrase.")
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PASSPHRASE_HELP = PASSPHRASE_HELP_SHORT + " " + _(
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"You need to create a separate Electrum-Zclassic wallet for each passphrase "
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"you use as they each generate different addresses. Changing "
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"your passphrase does not lose other wallets, each is still "
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"accessible behind its own passphrase.")
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RECOMMEND_PIN = _(
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"You should enable PIN protection. Your PIN is the only protection "
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"for your Zclassic coins if your device is lost or stolen.")
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PASSPHRASE_NOT_PIN = _(
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"If you forget a passphrase you will be unable to access any "
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"Zclassic coins in the wallet behind it. A passphrase is not a PIN. "
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"Only change this if you are sure you understand it.")
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CHARACTER_RECOVERY = (
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"Use the recovery cipher shown on your device to input your seed words. "
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"The cipher changes with every keypress.\n"
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"After at most 4 letters the device will auto-complete a word.\n"
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"Press SPACE or the Accept Word button to accept the device's auto-"
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"completed word and advance to the next one.\n"
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"Press BACKSPACE to go back a character or word.\n"
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"Press ENTER or the Seed Entered button once the last word in your "
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"seed is auto-completed.")
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class CharacterButton(QPushButton):
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def __init__(self, text=None):
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QPushButton.__init__(self, text)
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def keyPressEvent(self, event):
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event.setAccepted(False) # Pass through Enter and Space keys
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class CharacterDialog(WindowModalDialog):
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def __init__(self, parent):
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super(CharacterDialog, self).__init__(parent)
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self.setWindowTitle(_("KeepKey Seed Recovery"))
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self.character_pos = 0
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self.word_pos = 0
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self.loop = QEventLoop()
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self.word_help = QLabel()
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self.char_buttons = []
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vbox = QVBoxLayout(self)
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vbox.addWidget(WWLabel(CHARACTER_RECOVERY))
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hbox = QHBoxLayout()
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hbox.addWidget(self.word_help)
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for i in range(4):
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char_button = CharacterButton('*')
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char_button.setMaximumWidth(36)
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self.char_buttons.append(char_button)
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hbox.addWidget(char_button)
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self.accept_button = CharacterButton(_("Accept Word"))
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self.accept_button.clicked.connect(partial(self.process_key, 32))
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self.rejected.connect(partial(self.loop.exit, 1))
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hbox.addWidget(self.accept_button)
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hbox.addStretch(1)
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vbox.addLayout(hbox)
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self.finished_button = QPushButton(_("Seed Entered"))
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self.cancel_button = QPushButton(_("Cancel"))
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self.finished_button.clicked.connect(partial(self.process_key,
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Qt.Key_Return))
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self.cancel_button.clicked.connect(self.rejected)
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buttons = Buttons(self.finished_button, self.cancel_button)
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vbox.addSpacing(40)
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vbox.addLayout(buttons)
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self.refresh()
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self.show()
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def refresh(self):
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self.word_help.setText("Enter seed word %2d:" % (self.word_pos + 1))
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self.accept_button.setEnabled(self.character_pos >= 3)
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self.finished_button.setEnabled((self.word_pos in (11, 17, 23)
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and self.character_pos >= 3))
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for n, button in enumerate(self.char_buttons):
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button.setEnabled(n == self.character_pos)
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if n == self.character_pos:
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button.setFocus()
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def is_valid_alpha_space(self, key):
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# Auto-completion requires at least 3 characters
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if key == ord(' ') and self.character_pos >= 3:
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return True
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# Firmware aborts protocol if the 5th character is non-space
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if self.character_pos >= 4:
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return False
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return (key >= ord('a') and key <= ord('z')
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or (key >= ord('A') and key <= ord('Z')))
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def process_key(self, key):
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self.data = None
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if key == Qt.Key_Return and self.finished_button.isEnabled():
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self.data = {'done': True}
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elif key == Qt.Key_Backspace and (self.word_pos or self.character_pos):
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self.data = {'delete': True}
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elif self.is_valid_alpha_space(key):
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self.data = {'character': chr(key).lower()}
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if self.data:
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self.loop.exit(0)
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def keyPressEvent(self, event):
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self.process_key(event.key())
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if not self.data:
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QDialog.keyPressEvent(self, event)
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def get_char(self, word_pos, character_pos):
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self.word_pos = word_pos
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self.character_pos = character_pos
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self.refresh()
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if self.loop.exec_():
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self.data = None # User cancelled
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class QtHandler(QtHandlerBase):
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char_signal = pyqtSignal(object)
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pin_signal = pyqtSignal(object)
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def __init__(self, win, pin_matrix_widget_class, device):
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super(QtHandler, self).__init__(win, device)
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self.char_signal.connect(self.update_character_dialog)
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self.pin_signal.connect(self.pin_dialog)
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self.pin_matrix_widget_class = pin_matrix_widget_class
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self.character_dialog = None
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def get_char(self, msg):
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self.done.clear()
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self.char_signal.emit(msg)
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self.done.wait()
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data = self.character_dialog.data
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if not data or 'done' in data:
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self.character_dialog.accept()
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self.character_dialog = None
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return data
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def get_pin(self, msg):
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self.done.clear()
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self.pin_signal.emit(msg)
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self.done.wait()
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return self.response
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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 update_character_dialog(self, msg):
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if not self.character_dialog:
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self.character_dialog = CharacterDialog(self.top_level_window())
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self.character_dialog.get_char(msg.word_pos, msg.character_pos)
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self.done.set()
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class QtPlugin(QtPluginBase):
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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 receive_menu(self, menu, addrs, wallet):
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if len(addrs) != 1:
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return
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for keystore in wallet.get_keystores():
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if type(keystore) == self.keystore_class:
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def show_address():
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keystore.thread.add(partial(self.show_address, wallet, keystore, addrs[0]))
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menu.addAction(_("Show on {}").format(self.device), show_address)
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break
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def show_settings_dialog(self, window, keystore):
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device_id = self.choose_device(window, keystore)
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if device_id:
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SettingsDialog(window, self, keystore, device_id).exec_()
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def request_trezor_init_settings(self, wizard, method, device):
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vbox = QVBoxLayout()
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next_enabled = True
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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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def clean_text(widget):
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text = 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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hbox1 = QHBoxLayout()
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gb.setLayout(hbox1)
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# KeepKey recovery doesn't need a word count
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if method == TIM_NEW or self.device == 'TREZOR':
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vbox.addWidget(gb)
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gb.setTitle(_("Select your seed length:"))
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bg = QButtonGroup()
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for i, count in enumerate([12, 18, 24]):
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rb = QRadioButton(gb)
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rb.setText(_("%d words") % count)
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bg.addButton(rb)
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bg.setId(rb, i)
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hbox1.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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from electrum_zclassic.keystore import is_xprv
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wizard.next_button.setEnabled(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]{0,9}')))
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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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if method in [TIM_NEW, TIM_RECOVER]:
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vbox.addWidget(WWLabel(RECOMMEND_PIN))
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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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passphrase_msg = WWLabel(PASSPHRASE_HELP_SHORT)
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passphrase_warning = WWLabel(PASSPHRASE_NOT_PIN)
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passphrase_warning.setStyleSheet("color: red")
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cb_phrase = QCheckBox(_('Enable passphrases'))
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cb_phrase.setChecked(False)
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vbox.addWidget(passphrase_msg)
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vbox.addWidget(passphrase_warning)
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vbox.addWidget(cb_phrase)
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wizard.exec_layout(vbox, next_enabled=next_enabled)
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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, name.text(), pin, cb_phrase.isChecked())
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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, keystore, device_id):
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title = _("{} Settings").format(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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config = devmgr.config
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handler = keystore.handler
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thread = keystore.thread
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hs_rows, hs_cols = (64, 128)
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def invoke_client(method, *args, **kw_args):
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unpair_after = kw_args.pop('unpair_after', False)
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def task():
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client = devmgr.client_by_id(device_id)
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if not client:
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raise RuntimeError("Device not connected")
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if method:
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getattr(client, method)(*args, **kw_args)
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if unpair_after:
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devmgr.unpair_id(device_id)
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return client.features
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thread.add(task, on_success=update)
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def update(features):
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self.features = features
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set_label_enabled()
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if features.bootloader_hash:
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bl_hash = bh2u(features.bootloader_hash)
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bl_hash = "\n".join([bl_hash[:32], bl_hash[32:]])
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else:
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bl_hash = "N/A"
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noyes = [_("No"), _("Yes")]
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endis = [_("Enable Passphrases"), _("Disable Passphrases")]
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disen = [_("Disabled"), _("Enabled")]
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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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passphrases_label.setText(disen[features.passphrase_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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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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invoke_client('change_label', label_edit.text())
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def toggle_passphrase():
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title = _("Confirm Toggle Passphrase Protection")
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currently_enabled = self.features.passphrase_protection
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if currently_enabled:
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msg = _("After disabling passphrases, you can only pair this "
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"Electrum-Zclassic wallet if it had an empty passphrase. "
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"If its passphrase was not empty, you will need to "
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"create a new wallet with the install wizard. You "
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"can use this wallet again at any time by re-enabling "
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"passphrases and entering its passphrase.")
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else:
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msg = _("Your current Electrum-Zclassic wallet can only be used with "
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"an empty passphrase. You must create a separate "
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"wallet with the install wizard for other passphrases "
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"as each one generates a new set of addresses.")
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msg += "\n\n" + _("Are you sure you want to proceed?")
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if not self.question(msg, title=title):
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return
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invoke_client('toggle_passphrase', unpair_after=currently_enabled)
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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.endswith('.toif'):
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img = open(filename, 'rb').read()
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if img[:8] != b'TOIf\x90\x00\x90\x00':
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raise Exception('File is not a TOIF file with size of 144x144')
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else:
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from PIL import Image # FIXME
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im = Image.open(filename)
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if im.size != (128, 64):
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raise Exception('Image must be 128 x 64 pixels')
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im = im.convert('1')
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pix = im.load()
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img = bytearray(1024)
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for j in range(64):
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for i in range(128):
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if pix[i, j]:
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o = (i + j * 128)
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img[o // 8] |= (1 << (7 - o % 8))
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img = bytes(img)
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invoke_client('change_homescreen', img)
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def clear_homescreen():
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invoke_client('change_homescreen', b'\x00')
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def set_pin():
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invoke_client('set_pin', remove=False)
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def clear_pin():
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invoke_client('set_pin', remove=True)
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def wipe_device():
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wallet = window.wallet
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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 Zclassic coins 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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invoke_client('wipe_device', unpair_after=True)
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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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config.set_session_timeout(timeout_slider.sliderPosition() * 60)
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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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passphrases_label = QLabel()
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version_label = QLabel()
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device_id_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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(_("Passphrases"), passphrases_label),
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(_("Firmware Version"), version_label),
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(_("Device ID"), device_id_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 {}. If you have multiple devices "
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"their labels help distinguish them.")
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.format(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"))
|
|
label_apply.clicked.connect(rename)
|
|
label_edit.textChanged.connect(set_label_enabled)
|
|
settings_glayout.addWidget(label_label, 0, 0)
|
|
settings_glayout.addWidget(label_edit, 0, 1, 1, 2)
|
|
settings_glayout.addWidget(label_apply, 0, 3)
|
|
settings_glayout.addWidget(label_msg, 1, 1, 1, -1)
|
|
|
|
# Settings tab - PIN
|
|
pin_label = QLabel(_("PIN Protection"))
|
|
pin_button = QPushButton()
|
|
pin_button.clicked.connect(set_pin)
|
|
settings_glayout.addWidget(pin_label, 2, 0)
|
|
settings_glayout.addWidget(pin_button, 2, 1)
|
|
pin_msg = QLabel(_("PIN protection is strongly recommended. "
|
|
"A PIN is your only protection against someone "
|
|
"stealing your Zclassic coins if they obtain physical "
|
|
"access to your {}.").format(plugin.device))
|
|
pin_msg.setWordWrap(True)
|
|
pin_msg.setStyleSheet("color: red")
|
|
settings_glayout.addWidget(pin_msg, 3, 1, 1, -1)
|
|
|
|
# Settings tab - Homescreen
|
|
if plugin.device != 'KeepKey': # Not yet supported by KK firmware
|
|
homescreen_layout = QHBoxLayout()
|
|
homescreen_label = QLabel(_("Homescreen"))
|
|
homescreen_change_button = QPushButton(_("Change..."))
|
|
homescreen_clear_button = QPushButton(_("Reset"))
|
|
homescreen_change_button.clicked.connect(change_homescreen)
|
|
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 {} x {} monochrome black and "
|
|
"white image.").format(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
|
|
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(config.get_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 "
|
|
"{} device can spend your Zclassic coins.").format(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 = WWLabel(PASSPHRASE_HELP)
|
|
passphrase_warning = WWLabel(PASSPHRASE_NOT_PIN)
|
|
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 Zclassic coins "
|
|
"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"))
|
|
dialog_vbox = QVBoxLayout(self)
|
|
dialog_vbox.addWidget(tabs)
|
|
dialog_vbox.addLayout(Buttons(CloseButton(self)))
|
|
|
|
# Update information
|
|
invoke_client(None)
|