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implement first batch of pages for wallet wizard

master
Sander van Grieken 2 years ago
parent
1440eab5bf
commit
39f34fd7d1
1 changed files with 374 additions and 62 deletions
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  1. 436
      electrum/gui/qt/wizard/wallet.py

436
electrum/gui/qt/wizard/wallet.py
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@ -1,30 +1,43 @@
import os
from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
from PyQt5.QtQml import QQmlApplicationEngine
from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, Qt, QTimer
from PyQt5.QtWidgets import QApplication, QVBoxLayout, QHBoxLayout, QLabel, QLineEdit, QPushButton, QWidget, QFileDialog
from electrum.daemon import Daemon
from electrum.i18n import _
from electrum.storage import StorageReadWriteError
from electrum.util import WalletFileException, get_new_wallet_name
from electrum.wallet import wallet_types
from .wizard import QEAbstractWizard, WizardComponent
from electrum.logging import get_logger
from electrum import mnemonic
from electrum.wizard import NewWalletWizard, ServerConnectWizard
from electrum import WalletStorage, mnemonic
from electrum.wizard import NewWalletWizard
from ..installwizard import MSG_PASSPHRASE_WARN_ISSUE4566
from ..seed_dialog import SeedLayout
from ..util import ChoicesLayout, PasswordLineEdit, char_width_in_lineedit, WWLabel
class QENewWalletWizard(NewWalletWizard, QEAbstractWizard):
_logger = get_logger(__name__)
createError = pyqtSignal([str], arguments=["error"])
createSuccess = pyqtSignal()
# createError = pyqtSignal([str], arguments=["error"])
# createSuccess = pyqtSignal()
def __init__(self, daemon, parent = None):
def __init__(self, config: 'SimpleConfig', app: QApplication, daemon: Daemon, path, parent=None):
NewWalletWizard.__init__(self, daemon)
QEAbstractWizard.__init__(self, parent)
QEAbstractWizard.__init__(self, config, app, parent)
self._daemon = daemon
self._path = path
# attach view names and accept handlers
self.navmap_merge({
'wallet_name': { 'gui': 'WCWalletName' },
'wallet_type': { 'gui': 'WCWalletType' },
'keystore_type': { 'gui': 'WCKeystoreType' },
'create_seed': { 'gui': 'WCCreateSeed' },
'confirm_seed': { 'gui': 'WCConfirmSeed' },
'wallet_name': { 'gui': WCWalletName },
'wallet_type': { 'gui': WCWalletType },
'keystore_type': { 'gui': WCKeystoreType },
'create_seed': { 'gui': WCCreateSeed },
'create_ext': { 'gui': WCCreateExt },
'confirm_seed': { 'gui': WCConfirmSeed },
'confirm_ext': { 'gui': WCConfirmExt },
'have_seed': { 'gui': 'WCHaveSeed' },
'bip39_refine': { 'gui': 'WCBIP39Refine' },
'have_master_key': { 'gui': 'WCHaveMasterKey' },
@ -37,54 +50,353 @@ class QENewWalletWizard(NewWalletWizard, QEAbstractWizard):
'wallet_password': { 'gui': 'WCWalletPassword' }
})
pathChanged = pyqtSignal()
@pyqtProperty(str, notify=pathChanged)
def path(self):
return self._path
@path.setter
def path(self, path):
self._path = path
self.pathChanged.emit()
# insert seed extension entry/confirm as separate views
self.navmap_merge({
'create_seed': {
'next': lambda d: 'create_ext' if d['seed_extend'] else 'confirm_seed'
},
'create_ext': {
'next': 'confirm_seed',
},
'confirm_seed': {
'next': lambda d: 'confirm_ext' if d['seed_extend'] else self.on_have_or_confirm_seed(d),
'accept': lambda d: None if d['seed_extend'] else self.maybe_master_pubkey(d),
},
'confirm_ext': {
'next': self.on_have_or_confirm_seed,
'accept': self.maybe_master_pubkey,
}
})
# pathChanged = pyqtSignal()
# @pyqtProperty(str, notify=pathChanged)
# def path(self):
# return self._path
#
# @path.setter
# def path(self, path):
# self._path = path
# self.pathChanged.emit()
#
def is_single_password(self):
return self._daemon.singlePasswordEnabled
@pyqtSlot('QJSValue', result=bool)
def hasDuplicateMasterKeys(self, js_data):
self._logger.info('Checking for duplicate masterkeys')
data = js_data.toVariant()
return self.has_duplicate_masterkeys(data)
@pyqtSlot('QJSValue', result=bool)
def hasHeterogeneousMasterKeys(self, js_data):
self._logger.info('Checking for heterogeneous masterkeys')
data = js_data.toVariant()
return self.has_heterogeneous_masterkeys(data)
@pyqtSlot(str, str, result=bool)
def isMatchingSeed(self, seed, seed_again):
return mnemonic.is_matching_seed(seed=seed, seed_again=seed_again)
@pyqtSlot('QJSValue', bool, str)
def createStorage(self, js_data, single_password_enabled, single_password):
self._logger.info('Creating wallet from wizard data')
data = js_data.toVariant()
if single_password_enabled and single_password:
data['encrypt'] = True
data['password'] = single_password
path = os.path.join(os.path.dirname(self._daemon.daemon.config.get_wallet_path()), data['wallet_name'])
try:
self.create_storage(path, data)
# minimally populate self after create
self._password = data['password']
self.path = path
self.createSuccess.emit()
except Exception as e:
self._logger.error(f"createStorage errored: {e!r}")
self.createError.emit(str(e))
# TODO: also take into account if possible with existing set of wallets. see qedaemon.py
return self._daemon.config.WALLET_USE_SINGLE_PASSWORD
# @pyqtSlot('QJSValue', result=bool)
# def hasDuplicateMasterKeys(self, js_data):
# self._logger.info('Checking for duplicate masterkeys')
# data = js_data.toVariant()
# return self.has_duplicate_masterkeys(data)
#
# @pyqtSlot('QJSValue', result=bool)
# def hasHeterogeneousMasterKeys(self, js_data):
# self._logger.info('Checking for heterogeneous masterkeys')
# data = js_data.toVariant()
# return self.has_heterogeneous_masterkeys(data)
#
# @pyqtSlot(str, str, result=bool)
# def isMatchingSeed(self, seed, seed_again):
# return mnemonic.is_matching_seed(seed=seed, seed_again=seed_again)
#
# @pyqtSlot('QJSValue', bool, str)
# def createStorage(self, js_data, single_password_enabled, single_password):
# self._logger.info('Creating wallet from wizard data')
# data = js_data.toVariant()
#
# if single_password_enabled and single_password:
# data['encrypt'] = True
# data['password'] = single_password
#
# path = os.path.join(os.path.dirname(self._daemon.daemon.config.get_wallet_path()), data['wallet_name'])
#
# try:
# self.create_storage(path, data)
#
# # minimally populate self after create
# self._password = data['password']
# self.path = path
#
# self.createSuccess.emit()
# except Exception as e:
# self._logger.error(f"createStorage errored: {e!r}")
# self.createError.emit(str(e))
class WCWalletName(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Electrum wallet'))
path = wizard._path
if os.path.isdir(path):
raise Exception("wallet path cannot point to a directory")
hbox = QHBoxLayout()
hbox.addWidget(QLabel(_('Wallet') + ':'))
self.name_e = QLineEdit()
hbox.addWidget(self.name_e)
button = QPushButton(_('Choose...'))
hbox.addWidget(button)
self.layout().addLayout(hbox)
msg_label = WWLabel('')
self.layout().addWidget(msg_label)
hbox2 = QHBoxLayout()
pw_e = PasswordLineEdit('', self)
pw_e.setFixedWidth(17 * char_width_in_lineedit())
pw_label = QLabel(_('Password') + ':')
hbox2.addWidget(pw_label)
hbox2.addWidget(pw_e)
hbox2.addStretch()
self.layout().addLayout(hbox2)
self.layout().addSpacing(50)
vbox_create_new = QVBoxLayout()
vbox_create_new.addWidget(QLabel(_('Alternatively') + ':'), alignment=Qt.AlignLeft)
button_create_new = QPushButton(_('Create New Wallet'))
button_create_new.setMinimumWidth(120)
vbox_create_new.addWidget(button_create_new, alignment=Qt.AlignLeft)
widget_create_new = QWidget()
widget_create_new.setLayout(vbox_create_new)
vbox_create_new.setContentsMargins(0, 0, 0, 0)
self.layout().addWidget(widget_create_new)
temp_storage = None # type: Optional[WalletStorage]
wallet_folder = os.path.dirname(path)
def on_choose():
path, __ = QFileDialog.getOpenFileName(self, "Select your wallet file", wallet_folder)
if path:
self.name_e.setText(path)
def on_filename(filename):
# FIXME? "filename" might contain ".." (etc) and hence sketchy path traversals are possible
nonlocal temp_storage
temp_storage = None
msg = None
if filename:
path = os.path.join(wallet_folder, filename)
# wallet_from_memory = get_wallet_from_daemon(path)
wallet_from_memory = self.wizard._daemon.get_wallet(path)
try:
if wallet_from_memory:
temp_storage = wallet_from_memory.storage # type: Optional[WalletStorage]
else:
temp_storage = WalletStorage(path)
except (StorageReadWriteError, WalletFileException) as e:
msg = _('Cannot read file') + f'\n{repr(e)}'
except Exception as e:
self.logger.exception('')
msg = _('Cannot read file') + f'\n{repr(e)}'
else:
msg = ""
# self.next_button.setEnabled(temp_storage is not None)
self.valid = temp_storage is not None
user_needs_to_enter_password = False
if temp_storage:
if not temp_storage.file_exists():
msg =_("This file does not exist.") + '\n' \
+ _("Press 'Next' to create this wallet, or choose another file.")
elif not wallet_from_memory:
if temp_storage.is_encrypted_with_user_pw():
msg = _("This file is encrypted with a password.") + '\n' \
+ _('Enter your password or choose another file.')
user_needs_to_enter_password = True
elif temp_storage.is_encrypted_with_hw_device():
msg = _("This file is encrypted using a hardware device.") + '\n' \
+ _("Press 'Next' to choose device to decrypt.")
else:
msg = _("Press 'Next' to open this wallet.")
else:
msg = _("This file is already open in memory.") + "\n" \
+ _("Press 'Next' to create/focus window.")
if msg is None:
msg = _('Cannot read file')
msg_label.setText(msg)
widget_create_new.setVisible(bool(temp_storage and temp_storage.file_exists()))
if user_needs_to_enter_password:
pw_label.show()
pw_e.show()
pw_e.setFocus()
else:
pw_label.hide()
pw_e.hide()
button.clicked.connect(on_choose)
button_create_new.clicked.connect(
lambda: self.name_e.setText(get_new_wallet_name(wallet_folder))) # FIXME get_new_wallet_name might raise
self.name_e.textChanged.connect(on_filename)
self.name_e.setText(os.path.basename(path))
def apply(self):
self.wizard_data['wallet_name'] = self.name_e.text()
class WCWalletType(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Create new wallet'))
message = _('What kind of wallet do you want to create?')
wallet_kinds = [
('standard', _('Standard wallet')),
('2fa', _('Wallet with two-factor authentication')),
('multisig', _('Multi-signature wallet')),
('imported', _('Import Bitcoin addresses or private keys')),
]
choices = [pair for pair in wallet_kinds if pair[0] in wallet_types]
self.c_values = [x[0] for x in choices]
c_titles = [x[1] for x in choices]
self.clayout = ChoicesLayout(message, c_titles)
self.layout().addLayout(self.clayout.layout())
self._valid = True
def apply(self):
self.wizard_data['wallet_type'] = self.c_values[self.clayout.selected_index()]
class WCKeystoreType(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Keystore'))
message = _('Do you want to create a new seed, or to restore a wallet using an existing seed?')
choices = [
('createseed', _('Create a new seed')),
('haveseed', _('I already have a seed')),
('masterkey', _('Use a master key')),
('hardware', _('Use a hardware device'))
]
self.c_values = [x[0] for x in choices]
c_titles = [x[1] for x in choices]
self.clayout = ChoicesLayout(message, c_titles)
self.layout().addLayout(self.clayout.layout())
self._valid = True
def apply(self):
self.wizard_data['keystore_type'] = self.c_values[self.clayout.selected_index()]
class WCCreateSeed(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Wallet Seed'))
self._busy = True
self.seed_type = 'standard' if self.wizard.config.WIZARD_DONT_CREATE_SEGWIT else 'segwit'
self.slayout = None
self.seed = None
QTimer.singleShot(100, self.create_seed)
def apply(self):
if self.slayout:
self.wizard_data['seed'] = self.seed
self.wizard_data['seed_type'] = self.seed_type
self.wizard_data['seed_extend'] = self.slayout.is_ext
self.wizard_data['seed_variant'] = 'electrum'
def create_seed(self):
self.busy = True
self.seed = mnemonic.Mnemonic('en').make_seed(seed_type=self.seed_type)
self.slayout = SeedLayout(
title=_('Your wallet generation seed is:'),
seed=self.seed,
options=['ext'],
msg=True,
parent=self,
config=self.wizard.config,
)
self.layout().addLayout(self.slayout)
self.busy = False
self.valid = True
class WCConfirmSeed(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Confirm Seed'))
message = ' '.join([
_('Your seed is important!'),
_('If you lose your seed, your money will be permanently lost.'),
_('To make sure that you have properly saved your seed, please retype it here.')
])
self.layout().addWidget(QLabel(message))
self._valid = True
def apply(self):
pass
class WCCreateExt(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Seed Extension'))
message = '\n'.join([
_('You may extend your seed with custom words.'),
_('Your seed extension must be saved together with your seed.'),
])
warning = '\n'.join([
_('Note that this is NOT your encryption password.'),
_('If you do not know what this is, leave this field empty.'),
])
self.ext_edit = SeedExtensionEdit(self, message=message, warning=warning)
self.ext_edit.textEdited.connect(self.on_text_edited)
self.layout().addWidget(self.ext_edit)
def on_text_edited(self, text):
self.ext_edit.warn_issue4566 = self.wizard_data['keystore_type'] == 'haveseed' and \
self.wizard_data['seed_type'] == 'bip39'
self.valid = len(text) > 0
def apply(self):
self.wizard_data['seed_extra_words'] = self.ext_edit.text()
class WCConfirmExt(WizardComponent):
def __init__(self, parent, wizard):
WizardComponent.__init__(self, parent, wizard, title=_('Confirm Seed Extension'))
message = '\n'.join([
_('Your seed extension must be saved together with your seed.'),
_('Please type it here.'),
])
self.ext_edit = SeedExtensionEdit(self, message=message)
self.ext_edit.textEdited.connect(self.on_text_edited)
self.layout().addWidget(self.ext_edit)
def on_text_edited(self, text):
self.valid = text == self.wizard_data['seed_extra_words']
def apply(self):
pass
class SeedExtensionEdit(QWidget):
def __init__(self, parent, *, message: str = None, warning: str = None, warn_issue4566: bool = False):
super().__init__(parent)
self.warn_issue4566 = warn_issue4566
layout = QVBoxLayout()
self.setLayout(layout)
if message:
layout.addWidget(WWLabel(message))
self.line = QLineEdit()
layout.addWidget(self.line)
def f(text):
if self.warn_issue4566:
text_whitespace_normalised = ' '.join(text.split())
warn_issue4566_label.setVisible(text != text_whitespace_normalised)
self.line.textEdited.connect(f)
if warning:
layout.addWidget(WWLabel(warning))
warn_issue4566_label = WWLabel(MSG_PASSPHRASE_WARN_ISSUE4566)
warn_issue4566_label.setVisible(False)
layout.addWidget(warn_issue4566_label)
# expose textEdited signal and text() func to widget
self.textEdited = self.line.textEdited
self.text = self.line.text

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