def attempt_open(
klass,
wallet_path: str) -> Tuple[bool, bool, Optional['WalletWizard']]:
"""
Returns a tuple containing:
`is_valid` - indicates the open action should proceed.
`was_aborted` - indicates the user performed an action to abort the process.
`wizard` - optionally present for valid cases where the wallet cannot be opened directly
(migration is required).
"""
entry = create_file_state(wallet_path)
was_aborted = False
if entry is not None:
storage = WalletStorage(wallet_path)
try:
password = request_password(None, storage, entry)
if password is not None:
if entry.requires_upgrade:
migration_context = MigrationContext(
entry, storage, password)
# We hand off the storage reference to the wallet wizard to close.
storage = None
return True, False, klass(
migration_data=migration_context)
return True, False, None
was_aborted = True
finally:
if storage is not None:
storage.close()
return False, was_aborted, None
def create_new_wallet(parent: QWidget, initial_dirpath: str) -> Optional[str]:
create_filepath, __ = QFileDialog.getSaveFileName(parent, _("Enter a new wallet file name"),
initial_dirpath)
assert not os.path.exists(create_filepath)
dirpath, filename = os.path.split(create_filepath)
if not dirpath or not os.path.isdir(dirpath) or not os.access(dirpath, os.R_OK | os.W_OK):
MessageBox.show_error(_("The selected directory is not accessible."))
return None
name_edit = QLabel(filename)
fields = [
(QLabel(_("Wallet") +":"), name_edit),
]
from .password_dialog import ChangePasswordDialog, PasswordAction
from .wallet_wizard import PASSWORD_NEW_TEXT
d = ChangePasswordDialog(parent, PASSWORD_NEW_TEXT, _("Create New Wallet"), fields,
kind=PasswordAction.NEW)
success, _old_password, new_password = d.run()
if not success or not new_password.strip():
return None
from electrumsv.storage import WalletStorage
storage = WalletStorage(create_filepath)
storage.put("password-token", pw_encode(os.urandom(32).hex(), new_password))
storage.close()
return create_filepath
def test_wallet_storage_database_nonexistent_creates(tmp_path) -> None:
wallet_filepath = os.path.join(tmp_path, "walletfile")
storage = WalletStorage(wallet_filepath)
try:
assert type(storage._store) is DatabaseStore
assert storage.get("migration") == DatabaseStore.CURRENT_MIGRATION
finally:
storage.close()
def create_file_state(wallet_path: str) -> Optional[FileState]:
if not os.path.exists(wallet_path):
return None
try:
storage = WalletStorage(wallet_path)
except Exception:
logger.exception("problem looking at selected wallet '%s'",
wallet_path)
return None
is_too_modern = False
try:
storage_info = categorise_file(wallet_path)
if storage_info.kind == StorageKind.HYBRID:
return None
wallet_action = WalletAction.OPEN
password_state = PasswordState.UNKNOWN
if storage_info.kind == StorageKind.FILE:
text_store = storage.get_text_store()
try:
text_store.attempt_load_data()
except IOError:
# IOError: storage.py:load_data() raises when selected file cannot be parsed.
return None
if storage.get("use_encryption"):
# If there is a password and the wallet is not encrypted, then the private data
# is encrypted.
password_state = PasswordState.PASSWORDED
elif text_store.is_encrypted():
# If there is a password and the wallet is encrypted, then the private data is
# encrypted and the file is encrypted.
password_state = PasswordState.PASSWORDED | PasswordState.ENCRYPTED
else:
# Neither the private data is encrypted or the file itself.
password_state = PasswordState.NONE
else:
assert storage_info.kind == StorageKind.DATABASE
password_state = PasswordState.PASSWORDED
database_store = storage.get_database_store()
is_too_modern = database_store.get("migration") > MIGRATION_CURRENT
requires_upgrade = storage.requires_split(
) or storage.requires_upgrade()
finally:
storage.close()
name = get_wallet_name_from_path(wallet_path)
modification_time = os.path.getmtime(wallet_path)
return FileState(name, wallet_path, wallet_action, storage_info.kind,
password_state, requires_upgrade, modification_time,
is_too_modern)
def _attempt_open_wallet(self,
wallet_path: str,
change_page: bool = False) -> bool:
if not os.path.exists(wallet_path):
MessageBox.show_error(_("Unable to open a deleted wallet."))
return False
entry: Optional[FileState] = None
for entry in self._recent_wallet_entries.values():
if entry.path == wallet_path:
break
else:
entry = create_file_state(wallet_path)
if entry is None:
MessageBox.show_error(
_("Unrecognised or unsupported wallet file."))
return False
if entry.is_too_modern:
MessageBox.show_error(
_("The selected wallet cannot be opened as it is from a later "
"version of ElectrumSV."))
return False
password: str = None
wizard: WalletWizard = self.wizard()
storage = WalletStorage(entry.path)
try:
password = request_password(self, storage, entry)
if password is None:
return False
if change_page:
self._force_completed = True
if entry.requires_upgrade:
self._next_page_id = WalletPage.MIGRATE_OLDER_WALLET
migration_page = wizard.page(
WalletPage.MIGRATE_OLDER_WALLET)
migration_page.set_migration_data(entry, storage, password)
# Give the storage object to the migration page, which we are going to.
storage = None
wizard.next()
else:
assert entry.storage_kind == StorageKind.DATABASE, \
f"not a database {entry.storage_kind}"
wizard.set_wallet_path(entry.path)
wizard.accept()
finally:
# We may have handed off the storage and are no longer responsible for closing it.
if storage is not None:
storage.close()
return True
def validatePage(self) -> bool:
# Called when 'Next' or 'Finish' is clicked for last-minute validation.
result = self.isComplete()
if result:
new_password = self._password_layout.new_pw.text().strip()
# If we are going to exit then create the empty wallet.
wizard: WalletWizard = self.wizard()
wallet_filepath = wizard.get_wallet_path()
storage = WalletStorage(wallet_filepath)
storage.put("password-token",
pw_encode(os.urandom(32).hex(), new_password))
storage.close()
return result
def _attempt_open_wallet(self,
wallet_path: str,
change_page: bool = False) -> bool:
try:
storage = WalletStorage(wallet_path)
except Exception:
logger.exception("problem looking at selected wallet '%s'",
wallet_path)
MessageBox.show_error(
_("Unrecognised or unsupported wallet file."))
return False
try:
storage_info = categorise_file(wallet_path)
if storage_info.kind == StorageKind.HYBRID:
MessageBox.show_error(
_("Unrecognised or unsupported wallet file."))
return False
wallet_type = StorageKind.FILE if storage.is_legacy_format(
) else StorageKind.DATABASE
if wallet_type == StorageKind.FILE:
text_store = storage.get_text_store()
text_store.attempt_load_data()
if storage.get("use_encryption") or text_store.is_encrypted():
# If there is a password and the wallet is not encrypted, then the private data
# is encrypted. If there is a password and the wallet is encrypted, then the
# private data is encrypted and the file is encrypted.
self._next_page_id = WalletPage.PREMIGRATION_PASSWORD_REQUEST
else:
# Neither the private data is encrypted or the file itself.
self._next_page_id = WalletPage.PREMIGRATION_PASSWORD_ADDITION
else:
self._next_page_id = WalletPage.PREMIGRATION_PASSWORD_REQUEST
finally:
storage.close()
self._force_completed = True
wizard: WalletWizard = self.wizard()
wizard.set_wallet_action(WalletAction.OPEN)
wizard.set_wallet_type(wallet_type)
wizard.set_wallet_path(wallet_path)
if change_page:
wizard.next()
return True
class InstallWizard(QDialog, MessageBoxMixin, BaseWizard):
accept_signal = pyqtSignal()
synchronized_signal = pyqtSignal(str)
def __init__(self):
BaseWizard.__init__(self)
QDialog.__init__(self, None)
self.setWindowTitle('ElectrumSV')
self.language_for_seed = app_state.config.get('language')
self.setMinimumSize(600, 420)
self.accept_signal.connect(self.accept)
self.back_button = QPushButton(_(MSG_BUTTON_BACK), self)
self.back_button.setText(
_(MSG_BUTTON_BACK) if self.can_go_back() else _(MSG_BUTTON_CANCEL))
self.next_button = QPushButton(_(MSG_BUTTON_NEXT), self)
self.next_button.setDefault(True)
self.icon_filename = None
self.loop = QEventLoop()
self.rejected.connect(lambda: self.loop.exit(0))
self.back_button.clicked.connect(lambda: self.loop.exit(1))
self.next_button.clicked.connect(lambda: self.loop.exit(2))
self.scroll_widget = QWidget()
self.scroll_widget.setLayout(self.create_template_layout())
scroll = QScrollArea()
scroll.setWidget(self.scroll_widget)
scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
scroll.setWidgetResizable(True)
outer_vbox = QVBoxLayout(self)
outer_vbox.addWidget(scroll)
outer_vbox.addLayout(Buttons(self.back_button, self.next_button))
self.show()
self.raise_()
self.refresh_gui() # Need for QT on MacOSX. Lame.
def create_template_layout(self):
"""
The standard layout divides creates a three part template.
"""
self.title = QLabel()
self.main_widget = QWidget()
self.please_wait = QLabel(_("Please wait..."))
self.please_wait.setAlignment(Qt.AlignCenter)
vbox = QVBoxLayout()
vbox.addWidget(self.title)
vbox.addWidget(self.main_widget)
vbox.addStretch(1)
vbox.addWidget(self.please_wait)
vbox.addStretch(1)
self.template_hbox = QHBoxLayout()
vbox.addLayout(self.template_hbox)
return vbox
def select_storage(self, initial_path: str, is_startup=False):
if is_startup:
self._copy_electron_cash_wallets()
vbox = QVBoxLayout()
hbox = QHBoxLayout()
hbox.addWidget(QLabel(_('Wallet') + ':'))
self.name_e = QLineEdit()
hbox.addWidget(self.name_e)
button = QPushButton(_('Choose...'))
hbox.addWidget(button)
vbox.addLayout(hbox)
self.msg_label = QLabel('')
vbox.addWidget(self.msg_label)
hbox2 = QHBoxLayout()
self.pw_e = PasswordLineEdit()
self.pw_e.setMinimumWidth(200)
self.pw_label = QLabel(_('Password') + ':')
self.pw_label.setAlignment(Qt.AlignTop)
hbox2.addWidget(self.pw_label)
hbox2.addWidget(self.pw_e)
hbox2.addStretch()
vbox.addLayout(hbox2)
self._set_standard_layout(vbox,
title=_('ElectrumSV wallet'),
back_text=_(MSG_BUTTON_CANCEL))
esv_wallets_dir = os.path.join(app_state.config.electrum_path(),
"wallets")
if is_startup:
def _show_copy_electron_cash_wallets_dialog(*args):
nonlocal esv_wallets_dir, ec_wallets_dir
d = WindowModalDialog(self, _("Copy Electron Cash Wallets"))
d.setMinimumWidth(400)
vbox, file_list = self._create_copy_electron_cash_wallets_layout(
ec_wallets_dir)
bbox = QDialogButtonBox(QDialogButtonBox.Ok
| QDialogButtonBox.Cancel)
bbox.rejected.connect(d.reject)
bbox.accepted.connect(d.accept)
vbox.addWidget(bbox)
d.setLayout(vbox)
result = d.exec()
if result == QDialog.Accepted:
self._do_copy_electron_cash_wallets(
file_list, esv_wallets_dir, ec_wallets_dir)
_update_selected_wallet()
ec_import_text = ("<p>" + _(
"You have previously run Electron Cash and created at " +
"least one wallet with it. ElectrumSV should not be used to open these wallets "
+
"directly using the 'Choose' button, and you should instead use the 'Import' "
+ "button to help you copy them."
) + "</p>" + "<p>" + _(
"There are many reasons for this, and the simplest is that if Electron Cash "
+
"and ElectrumSV were to operate on the same wallet at the same time, then the "
+
"wallet will most likely become corrupted. It's simpler in every way to just "
+
"copy the wallet over to ElectrumSV and use a separate wallet file for each."
) + "</p>")
ec_import_icon = HelpLabel("label text", ec_import_text)
ec_import_icon.setPixmap(
QPixmap(icon_path("icons8-info.svg")).scaledToWidth(
16, Qt.SmoothTransformation))
ec_import_label = QLabel(
_("Existing Electron Cash wallets detected"))
ec_import_button = QPushButton(_("Import..."))
ec_import_button.clicked.connect(
_show_copy_electron_cash_wallets_dialog)
self.template_hbox.addWidget(ec_import_icon)
self.template_hbox.addWidget(ec_import_label)
self.template_hbox.addWidget(ec_import_button)
self.template_hbox.addStretch(1)
ec_wallets_dir = get_electron_cash_user_dir(esv_wallets_dir)
if len(self._list_user_wallets(ec_wallets_dir)) == 0:
ec_import_icon.set_help_text("<p>" + _(
"This feature is aimed at users who were " +
"already using Electron Cash and have existing wallets associated with it. "
+
"None were detected on this computer, but if you do have some stored in "
+
"places ElectrumSV does not know about you may need to copy them "
+ "yourself."
) + "</p>" + "<p>" + _(
"You should never open your existing Electron Cash wallets directly in "
+
"ElectrumSV as this can lead to them being opened in both applications at "
+ "the same time, and can result in corruption.") + "</p>")
ec_import_button.setEnabled(False)
ec_import_button.setToolTip(_("Nothing to import"))
ec_import_label.setText(_("No Electron Cash wallets detected"))
if WalletStorage.files_are_matched_by_path(initial_path):
self._storage_existing = WalletStorage(initial_path,
manual_upgrades=True)
wallet_folder = os.path.dirname(initial_path)
def _on_choose() -> None:
path, __ = QFileDialog.getOpenFileName(self,
"Select your wallet file",
wallet_folder)
if path:
self.name_e.setText(path)
def _on_filename(filename: str) -> None:
pw = False
self._storage_existing = None
# A relative path will be relative to the folder we offered in the choose dialog.
# An absolute path will not get joined to the dialog folder (no-op).
path = os.path.join(wallet_folder, filename)
if WalletStorage.files_are_matched_by_path(path):
try:
self._storage_existing = WalletStorage(
path, manual_upgrades=True)
except IOError:
self.next_button.setEnabled(False)
msg = _('Cannot read file')
else:
self.next_button.setEnabled(True)
if self._storage_existing.is_encrypted():
msg = '\n'.join([
_("This file is encrypted."),
_('Enter your password or choose another file.'),
])
pw = True
else:
msg = _("Press 'Next' to open this wallet.")
else:
msg = _("This file does not exist.")
if os.access(wallet_folder, os.W_OK):
self.next_button.setEnabled(True)
msg += "\n" + _(
"Press 'Next' to create this wallet, or choose another file."
)
self._path_new = path
else:
self.next_button.setEnabled(False)
msg += "\n" + _("You do not have write access " +
"to this folder to create a new wallet.")
self.msg_label.setText(msg)
if pw:
self.pw_label.show()
self.pw_e.show()
self.pw_e.setFocus()
else:
self.pw_label.hide()
self.pw_e.hide()
def _update_selected_wallet(
skip_pick_most_recent: bool = False) -> None:
wallet_filename = None
if is_startup and not skip_pick_most_recent and self._storage_existing is None:
esv_wallet_names = self._list_user_wallets(esv_wallets_dir)
if len(esv_wallet_names):
wallet_filename = esv_wallet_names[0]
if wallet_filename is None:
if self._storage_existing is not None:
wallet_filename = os.path.basename(
self._storage_existing.get_path())
else:
wallet_filename = os.path.basename(initial_path)
self.name_e.setText(wallet_filename)
button.clicked.connect(_on_choose)
self.name_e.textChanged.connect(_on_filename)
# We do not pick the most recent when first displaying the wizard because we want to
# treat the preselected wallet as the user's explicit choice. So a non-existent name
# should be a possible wallet creation.
_update_selected_wallet(skip_pick_most_recent=True)
while True:
if self._storage_existing is not None and not self._storage_existing.is_encrypted(
):
break
if self.loop.exec_() != 2: # 2 = next
return
if self._storage_existing is None:
break
if self._storage_existing is not None and self._storage_existing.is_encrypted(
):
password = self.pw_e.text()
try:
self._storage_existing.decrypt(password)
self.pw_e.setText('')
break
except DecryptionError:
QMessageBox.information(None, _('Error'),
_("Incorrect password"))
continue
except Exception as e:
logger.exception("decrypting storage")
QMessageBox.information(None, _('Error'), str(e))
return
return True
def _copy_electron_cash_wallets(self):
"""
Work out whether we should show UI to offer to copy the user's
Electron Cash wallets to their ElectrumSV wallet directory, and
if so, show it and give them the chance.
"""
# If the user has ElectrumSV wallets already, we do not offer to copy the one's
# Electron Cash has.
esv_wallets_dir = os.path.join(app_state.config.electrum_path(),
"wallets")
if len(self._list_user_wallets(esv_wallets_dir)) > 0:
return
ec_wallets_dir = get_electron_cash_user_dir(esv_wallets_dir)
ec_wallet_count = len(self._list_user_wallets(ec_wallets_dir))
# If the user does not have Electron Cash wallets to copy, there's no point in offering.
if ec_wallet_count == 0:
return
vbox, file_list = self._create_copy_electron_cash_wallets_layout(
ec_wallets_dir)
self._set_standard_layout(vbox,
title=_('Import Electron Cash wallets'))
v = self.loop.exec_()
# Cancel, exit application.
if v == -1:
raise UserCancelled()
if v != 2:
raise GoBack()
self._do_copy_electron_cash_wallets(file_list, esv_wallets_dir,
ec_wallets_dir)
def _do_copy_electron_cash_wallets(self, file_list, esv_wallets_dir,
ec_wallets_dir):
# If the user selected any files, then we copy them before exiting to the next page.
copy_count = 0
for item in file_list.selectedItems():
filename = item.text()
source_path = os.path.join(ec_wallets_dir, filename)
target_path = os.path.join(esv_wallets_dir, filename)
# If they are copying an Electron Cash wallet over an ElectrumSV wallet, make sure
# they confirm they are going to replace/overwrite it.
if os.path.exists(target_path):
if self.question(
_("You already have a wallet named '{}' for ElectrumSV. "
+ "Replace/overwrite it?").format(filename), self,
_("Delete Wallet?")):
os.remove(target_path)
else:
continue
try:
shutil.copyfile(source_path, target_path)
copy_count += 1
except shutil.Error:
# For now we ignore copy errors.
pass
if copy_count == 1:
self.show_message(_("1 wallet copied."))
elif copy_count > 1:
self.show_message(_("%d wallets copied.") % copy_count)
def _create_copy_electron_cash_wallets_layout(self, ec_wallets_dir):
def update_summary_label():
selection_count = len(file_list.selectedItems())
if selection_count == 0:
summary_label.setText(
_("No wallets are selected / will be copied."))
elif selection_count == 1:
summary_label.setText(
_("1 wallet is selected / will be copied."))
else:
summary_label.setText(
_("%d wallets are selected / will be copied.") %
selection_count)
wallet_filenames = sorted(os.listdir(ec_wallets_dir),
key=lambda s: s.lower())
file_list = QListWidget()
file_list.setSelectionMode(QAbstractItemView.ExtendedSelection)
for filename in wallet_filenames:
if not self._ignore_wallet_file(
os.path.join(ec_wallets_dir, filename)):
file_list.addItem(QListWidgetItem(filename))
file_list.itemSelectionChanged.connect(update_summary_label)
vbox = QVBoxLayout()
introduction_label = QLabel(
_("Your Electron Cash wallet directory was found. If you want ElectrumSV to import "
"any of them on your behalf, select the ones you want copied from the list below "
"before clicking the Next button."))
introduction_label.setWordWrap(True)
vbox.setSpacing(20)
vbox.addWidget(introduction_label)
vbox.addWidget(file_list)
summary_label = QLabel()
update_summary_label()
vbox.addWidget(summary_label)
return vbox, file_list
def _list_user_wallets(self, wallets_path):
if os.path.exists(wallets_path):
from stat import ST_MTIME
l = [(os.stat(os.path.join(wallets_path,
filename))[ST_MTIME], filename)
for filename in os.listdir(wallets_path)
if not self._ignore_wallet_file(
os.path.join(wallets_path, filename))]
l = sorted(l, reverse=True)
return [entry[1] for entry in l]
return []
def _ignore_wallet_file(self, wallet_path):
if os.path.isdir(wallet_path):
return True
if wallet_path.startswith("."):
return True
return False
def run_and_get_wallet(self) -> Optional[Abstract_Wallet]:
# NOTE(rt12): This used to have unused code related to resuming incompletely created
# wallets. This is worth supporting, but not at this stage where we will eventually
# rewrite for a new wallet wizard and multiple accounts and legacy wallets so on.
if self._storage_existing is not None:
path = self._storage_existing.get_path()
if self._storage_existing.requires_split():
msg = _(
"The wallet '{}' contains multiple accounts, which are not supported.\n\n"
"Do you want to split your wallet "
"into multiple files?").format(path)
if not MessageBox.question(msg):
return
file_list = '\n'.join(self._storage_existing.split_accounts())
msg = (_('Your accounts have been moved to') + ':\n' +
file_list + '\n\n' +
_('Do you want to delete the old file') + ':\n' + path)
if self.question(msg):
# We know that this will be the only relevant path and will not require
# extensions, as it predates the use of the database.
os.remove(path)
self.show_warning(_('The file was removed'))
return
if self._storage_existing.requires_upgrade():
msg = _(
"The format of your wallet '%s' must be upgraded for ElectrumSV. "
"This change will not be backward compatible, " +
"and your existing wallet will be backed up. Proceed?"
) % path
if not MessageBox.question(msg):
return
self._storage_existing.upgrade()
self._parent_wallet = ParentWallet(self._storage_existing)
else:
assert self._path_new is not None, "user should have selected storage already"
wallet_filename = os.path.basename(self._path_new)
# Make a temporary directory as securely as possible, where the new wallet will be
# created.
creation_path = tempfile.mkdtemp()
try:
path_new = os.path.join(creation_path, wallet_filename)
self._storage_new = WalletStorage(path_new)
# Ensure the path is full and includes the extension.
path_new = self._storage_new.get_path()
self.run("new")
if self._parent_wallet is not None:
self._parent_wallet.save_storage()
if self._parent_wallet is not None:
self._parent_wallet.move_to(self._path_new)
else:
# We want to make sure we are not keeping the database open, before deleting.
self._storage_new.close()
del self._storage_new
finally:
shutil.rmtree(creation_path)
return self._parent_wallet
def finished(self):
"""Called in hardware client wrapper, in order to close popups."""
return
def on_error(self, exc_info):
if not isinstance(exc_info[1], UserCancelled):
logger.exception("")
self.show_error(str(exc_info[1]))
def _remove_layout_from_widget(self, widget):
"""
The only way to remove a layout from a first widget, is to transfer it to a second one.
This needs to be done, to be able to set a new layout on the first widget.
"""
existing_layout = widget.layout()
QWidget().setLayout(existing_layout)
def _set_layout(self, layout, next_enabled=True, back_text=None):
"""
Set a layout that is in control of the whole display area.
"""
self._remove_layout_from_widget(self.scroll_widget)
self.scroll_widget.setLayout(layout)
self.back_button.setEnabled(True)
if back_text is not None:
self.back_button.setText(back_text)
self.next_button.setEnabled(next_enabled)
if next_enabled:
self.next_button.setFocus()
def _set_standard_layout(self,
layout,
title=None,
next_enabled=True,
back_text=None):
"""
Ensure the standard template layout is in place.
And put the current stage's sub-layout in the defined place.
"""
self._remove_layout_from_widget(self.scroll_widget)
self.scroll_widget.setLayout(self.create_template_layout())
self.title.setText("<b>%s</b>" % title if title else "")
self.title.setVisible(bool(title))
self.main_widget.setLayout(layout)
if back_text is None:
self.back_button.setText(_(MSG_BUTTON_BACK))
else:
self.back_button.setText(back_text)
self.back_button.setEnabled(True)
self.next_button.setText(_(MSG_BUTTON_NEXT))
self.next_button.setEnabled(next_enabled)
if next_enabled:
self.next_button.setFocus()
self.main_widget.setVisible(True)
self.please_wait.setVisible(False)
def exec_layout(self,
layout,
title=None,
raise_on_cancel=True,
next_enabled=True):
self._set_standard_layout(layout, title, next_enabled)
result = self.loop.exec_()
if not result and raise_on_cancel:
raise UserCancelled
if result == 1:
raise GoBack
self.title.setVisible(False)
self.back_button.setEnabled(False)
self.next_button.setEnabled(False)
self.main_widget.setVisible(False)
self.please_wait.setVisible(True)
self.refresh_gui()
return result
def refresh_gui(self):
# For some reason, to refresh the GUI this needs to be called twice
app_state.app.processEvents()
app_state.app.processEvents()
def text_input(self, title, message, is_valid, allow_multi=False):
slayout = KeysLayout(parent=self,
title=message,
is_valid=is_valid,
allow_multi=allow_multi)
self.exec_layout(slayout, title, next_enabled=False)
return slayout.get_text()
def seed_input(self, title, message, is_seed, options):
slayout = SeedLayout(title=message,
is_seed=is_seed,
options=options,
parent=self)
self.exec_layout(slayout, title, next_enabled=False)
return slayout.get_seed(), slayout.is_bip39, slayout.is_ext
@wizard_dialog
def add_xpub_dialog(self,
title,
message,
is_valid,
run_next,
allow_multi=False):
return self.text_input(title, message, is_valid, allow_multi)
@wizard_dialog
def add_cosigner_dialog(self, run_next, index, is_valid):
title = _("Add Cosigner") + " %d" % index
message = ' '.join([
_('Please enter the master public key (xpub) of your cosigner.'),
_('Enter their master private key (xprv) if you want to be able to sign for them.'
)
])
return self.text_input(title, message, is_valid)
@wizard_dialog
def restore_seed_dialog(self, run_next, test):
options = []
if self.opt_ext:
options.append('ext')
if self.opt_bip39:
options.append('bip39')
title = _('Enter Seed')
message = _(
'Please enter your seed phrase in order to restore your wallet.')
return self.seed_input(title, message, test, options)
@wizard_dialog
def confirm_seed_dialog(self, run_next, test):
app_state.app.clipboard().clear()
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.'
)
])
seed, is_bip39, is_ext = self.seed_input(title, message, test, None)
return seed
@wizard_dialog
def show_seed_dialog(self, run_next, seed_text):
title = _("Your wallet generation seed is:")
slayout = SeedLayout(seed=seed_text,
title=title,
msg=True,
options=['ext'])
self.exec_layout(slayout)
return slayout.is_ext
def pw_layout(self, msg, kind):
playout = PasswordLayout(None, msg, kind, self.next_button)
self.exec_layout(playout.layout())
return playout.new_password()
@wizard_dialog
def request_password(self, run_next):
"""Request the user enter a new password and confirm it. Return
the password or None for no password."""
return self.pw_layout(MSG_ENTER_PASSWORD, PW_NEW)
@wizard_dialog
def confirm_dialog(self, title, message, run_next):
self.confirm(message, title)
def confirm(self, message, title):
label = WWLabel(message)
vbox = QVBoxLayout()
vbox.addWidget(label)
self.exec_layout(vbox, title)
@wizard_dialog
def action_dialog(self, action, run_next):
self.run(action)
def terminate(self):
self.accept_signal.emit()
@wizard_dialog
def choice_dialog(self, title, message, choices, run_next):
c_values = [x[0] for x in choices]
c_titles = [x[1] for x in choices]
clayout = ChoicesLayout(message, c_titles)
vbox = QVBoxLayout()
vbox.addLayout(clayout.layout())
self.exec_layout(vbox, title)
action = c_values[clayout.selected_index()]
return action
def query_choice(self, msg, choices):
"""called by hardware wallets"""
clayout = ChoicesLayout(msg, choices)
vbox = QVBoxLayout()
vbox.addLayout(clayout.layout())
self.exec_layout(vbox, '')
return clayout.selected_index()
@wizard_dialog
def line_dialog(self, run_next, title, message, default, test, warning=''):
vbox = QVBoxLayout()
vbox.addWidget(WWLabel(message))
line = QLineEdit()
line.setText(default)
def f(text):
self.next_button.setEnabled(test(text))
line.textEdited.connect(f)
vbox.addWidget(line)
vbox.addWidget(WWLabel(warning))
self.exec_layout(vbox, title, next_enabled=test(default))
return ' '.join(line.text().split())
@wizard_dialog
def show_xpub_dialog(self, xpub, run_next):
msg = ' '.join([
_("Here is your master public key."),
_("Please share it with your cosigners.")
])
vbox = QVBoxLayout()
layout = SeedLayout(xpub, title=msg, icon=False)
vbox.addLayout(layout.layout())
self.exec_layout(vbox, _('Master Public Key'))
return None
def init_network(self, network):
message = _(
"ElectrumSV communicates with remote servers to get "
"information about your transactions and addresses. The "
"servers all fulfil the same purpose only differing in "
"hardware. In most cases you simply want to let ElectrumSV "
"pick one at random. However if you prefer feel free to "
"select a server manually.")
choices = [_("Auto connect"), _("Select server manually")]
title = _("How do you want to connect to a server? ")
clayout = ChoicesLayout(message, choices)
self.back_button.setText(_(MSG_BUTTON_CANCEL))
self.exec_layout(clayout.layout(), title)
r = clayout.selected_index()
app_state.config.set_key('auto_connect', r == 0, True)
if r == 1:
nlayout = NetworkChoiceLayout(network,
app_state.config,
wizard=True)
if self.exec_layout(nlayout.layout()):
nlayout.accept()
@wizard_dialog
def multisig_dialog(self, run_next):
cw = CosignWidget(2, 2)
m_edit = QSlider(Qt.Horizontal, self)
n_edit = QSlider(Qt.Horizontal, self)
n_edit.setMinimum(2)
n_edit.setMaximum(15)
m_edit.setMinimum(1)
m_edit.setMaximum(2)
n_edit.setValue(2)
m_edit.setValue(2)
n_label = QLabel()
m_label = QLabel()
grid = QGridLayout()
grid.addWidget(n_label, 0, 0)
grid.addWidget(n_edit, 0, 1)
grid.addWidget(m_label, 1, 0)
grid.addWidget(m_edit, 1, 1)
def on_m(m):
m_label.setText(_('Require %d signatures') % m)
cw.set_m(m)
def on_n(n):
n_label.setText(_('From %d cosigners') % n)
cw.set_n(n)
m_edit.setMaximum(n)
n_edit.valueChanged.connect(on_n)
m_edit.valueChanged.connect(on_m)
on_n(2)
on_m(2)
vbox = QVBoxLayout()
vbox.addWidget(cw)
vbox.addWidget(
WWLabel(
_("Choose the number of signatures needed to unlock "
"funds in your wallet:")))
vbox.addLayout(grid)
self.exec_layout(vbox, _("Multi-Signature Wallet"))
m = int(m_edit.value())
n = int(n_edit.value())
return (m, n)
