tKeepkey/Trezor: fix 2 issues - electrum - Electrum Bitcoin wallet HTML git clone https://git.parazyd.org/electrum DIR Log DIR Files DIR Refs DIR Submodules --- DIR commit 3a735d40acecbcee689e13e5d6dbef9d10c01584 DIR parent 9580cd62f61865553de0802af39bfd6edcca1fa8 HTML Author: Neil Booth <kyuupichan@gmail.com> Date: Sun, 24 Jan 2016 10:39:04 +0900 Keepkey/Trezor: fix 2 issues 1: In KeepKey recovery we let the user type a fifth letter which causes the firmware to abort the protocol. Only allow 4 letters. 2: Handle exceptions thrown during device initialization properly Diffstat: M plugins/trezor/plugin.py | 13 ++++++++----- M plugins/trezor/qt_generic.py | 29 +++++++++++++++++++++-------- 2 files changed, 29 insertions(+), 13 deletions(-) --- DIR diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py t@@ -323,18 +323,21 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob): pin = pin_protection # It's the pin, not a boolean client.load_device_by_xprv(item, pin, passphrase_protection, label, language) + # After successful initialization create accounts + wallet.create_hd_account(None) return initialize_method - def setup_device(self, wallet, on_done): + def setup_device(self, wallet, on_done, on_error): '''Called when creating a new wallet. Select the device to use. If the device is uninitialized, go through the intialization process. Then create the wallet accounts.''' - create_hd_task = partial(wallet.create_hd_account, None) initialized = self.select_device(wallet) - if not initialized: - wallet.thread.add(self.initialize_device(wallet)) - wallet.thread.add(create_hd_task, on_done=on_done) + if initialized: + task = partial(wallet.create_hd_account, None) + else: + task = self.initialize_device(wallet) + wallet.thread.add(task, on_done=on_done, on_error=on_error) def unpaired_devices(self, handler): '''Returns all connected, unpaired devices as a list of clients and a DIR diff --git a/plugins/trezor/qt_generic.py b/plugins/trezor/qt_generic.py t@@ -29,8 +29,8 @@ PASSPHRASE_NOT_PIN = _( "Only change this if you are sure you understand it.") CHARACTER_RECOVERY = ( "Use the recovery cipher shown on your device to input your seed words. " - "The cipher updates with every letter. After at most 4 letters the " - "device will auto-complete each word.\n" + "The cipher changes with every keypress.\n" + "After at most 4 letters the device will auto-complete a word.\n" "Press SPACE or the Accept Word button to accept the device's auto-" "completed word and advance to the next one.\n" "Press BACKSPACE to go back a character or word.\n" t@@ -93,17 +93,24 @@ class CharacterDialog(WindowModalDialog): if n == self.character_pos: button.setFocus() + def is_valid_alpha_space(self, key): + # Auto-completion requires at least 3 characters + if key == ord(' ') and self.character_pos >= 3: + return True + # Firmware aborts protocol if the 5th character is non-space + if self.character_pos >= 4: + return False + return (key >= ord('a') and key <= ord('z') + or (key >= ord('A') and key <= ord('Z'))) + def process_key(self, key): self.data = None if key == Qt.Key_Return and self.finished_button.isEnabled(): self.data = {'done': True} elif key == Qt.Key_Backspace and (self.word_pos or self.character_pos): self.data = {'delete': True} - elif ((key >= ord('a') and key <= ord('z')) - or (key >= ord('A') and key <= ord('Z')) - or (key == ord(' ') and self.character_pos >= 3)): - char = chr(key).lower() - self.data = {'character': char} + elif self.is_valid_alpha_space(key): + self.data = {'character': chr(key).lower()} if self.data: self.loop.exit(0) t@@ -368,8 +375,14 @@ def qt_plugin_class(base_plugin_class): wallet.thread = TaskThread(wizard, wizard.on_error) # Setup device and create accounts in separate thread; wait until done loop = QEventLoop() - self.setup_device(wallet, loop.quit) + exc_info = [] + self.setup_device(wallet, on_done=loop.quit, + on_error=lambda info: exc_info.extend(info)) loop.exec_() + # If an exception was thrown, show to user and exit install wizard + if exc_info: + wizard.on_error(exc_info) + raise UserCancelled @hook def receive_menu(self, menu, addrs, wallet):