def dbb_load_backup(self, show_msg=True):
backups = self.hid_send_encrypt(b'{"backup":"list"}')
if 'error' in backups:
raise UserFacingException(backups['error']['message'])
try:
f = self.handler.win.query_choice(_("Choose a backup file:"),
backups['backup'])
except Exception:
return False # Back button pushed
key = self.backup_password_dialog()
if key is None:
raise Exception('Canceled by user')
key = self.stretch_key(key)
if show_msg:
self.handler.show_message(
_("Loading backup...") + "\n\n" +
_("To continue, touch the Digital Bitbox's light for 3 seconds."
) + "\n\n" +
_("To cancel, briefly touch the light or wait for the timeout."
))
msg = ('{"seed":{"source": "backup", "key": "%s", "filename": "%s"}}' %
(key, backups['backup'][f])).encode('utf8')
hid_reply = self.hid_send_encrypt(msg)
self.handler.finished()
if 'error' in hid_reply:
raise UserFacingException(hid_reply['error']['message'])
return True
def dbb_erase(self):
self.handler.show_message(
_("Are you sure you want to erase the Digital Bitbox?") + "\n\n" +
_("To continue, touch the Digital Bitbox's light for 3 seconds.") +
"\n\n" +
_("To cancel, briefly touch the light or wait for the timeout."))
hid_reply = self.hid_send_encrypt(b'{"reset":"__ERASE__"}')
self.handler.finished()
if 'error' in hid_reply:
raise UserFacingException(hid_reply['error']['message'])
else:
self.password = None
raise UserFacingException('Device erased')
def create_client(self, device, handler):
if device.product_key[1] == 2:
transport = self._try_webusb(device)
else:
transport = self._try_hid(device)
if not transport:
self.logger.info("cannot connect to device")
return
self.logger.info(f"connected to device at {device.path}")
client = self.client_class(transport, handler, self)
# Try a ping for device sanity
try:
client.ping('t')
except BaseException as e:
self.logger.info(f"ping failed {e}")
return None
if not client.atleast_version(*self.minimum_firmware):
msg = (_('Outdated {} firmware for device labelled {}. Please '
'download the updated firmware from {}').format(
self.device, client.label(), self.firmware_URL))
self.logger.info(msg)
if handler:
handler.show_error(msg)
else:
raise UserFacingException(msg)
return None
return client
def dbb_has_password(self):
reply = self.hid_send_plain(b'{"ping":""}')
if 'ping' not in reply:
raise UserFacingException(
_('Device communication error. Please unplug and replug your Digital Bitbox.'
))
if reply['ping'] == 'password':
return True
return False
def dbb_generate_wallet(self):
key = self.stretch_key(self.password)
filename = ("Terracoin-Electrum-" +
time.strftime("%Y-%m-%d-%H-%M-%S") + ".pdf")
msg = (
'{"seed":{"source": "create", "key": "%s", "filename": "%s", "entropy": "%s"}}'
% (key, filename, to_hexstr(os.urandom(32)))).encode('utf8')
reply = self.hid_send_encrypt(msg)
if 'error' in reply:
raise UserFacingException(reply['error']['message'])
def setup_device(self, device_info, wizard, purpose):
devmgr = self.device_manager()
device_id = device_info.device.id_
client = devmgr.client_by_id(device_id)
if client is None:
raise UserFacingException(
_('Failed to create a client '
'for this device.') + '\n' + _('Make sure it is in the '
'correct state.'))
# fixme: we should use: client.handler = wizard
client.handler = self.create_handler(wizard)
client.init_device()
if not client.is_initialized():
msg = _("Hideez Wallet is not initialized.\n\n"
"To initialize your Hideez Wallet please switch to "
"Hideez Bridge window and do device initialization "
"and backup sequence.\n\n"
"When device initialization and backup is finished "
"press 'Next' to proceed.")
raise UserFacingException(msg)
client.get_xpub('m', 'standard')
client.used()
def setup_device(self, device_info, wizard, purpose):
devmgr = self.device_manager()
device_id = device_info.device.id_
client = devmgr.client_by_id(device_id)
if client is None:
raise UserFacingException(
_('Failed to create a client for this device.') + '\n' +
_('Make sure it is in the correct state.'))
# fixme: we should use: client.handler = wizard
client.handler = self.create_handler(wizard)
if not device_info.initialized:
self.initialize_device(device_id, wizard, client.handler)
client.get_xpub('m', 'standard')
client.used()
def setup_device(self, device_info, wizard, purpose):
devmgr = self.device_manager()
device_id = device_info.device.id_
client = devmgr.client_by_id(device_id)
if client is None:
raise UserFacingException(
_('Failed to create a client for this device.') + '\n' +
_('Make sure it is in the correct state.'))
if not client.is_uptodate():
msg = (_('Outdated {} firmware for device labelled {}. Please '
'download the updated firmware from {}').format(
self.device, client.label(), self.firmware_URL))
raise OutdatedHwFirmwareException(msg)
# fixme: we should use: client.handler = wizard
client.handler = self.create_handler(wizard)
if not device_info.initialized:
self.initialize_device(device_id, wizard, client.handler)
is_creating_wallet = purpose == HWD_SETUP_NEW_WALLET
client.get_xpub('m', 'standard', creating=is_creating_wallet)
client.used()
def sign_transaction(self, tx, password):
if tx.is_complete():
return
# previous transactions used as inputs
prev_tx = {}
# path of the xpubs that are involved
xpub_path = {}
for txin in tx.inputs():
pubkeys, x_pubkeys = tx.get_sorted_pubkeys(txin)
tx_hash = txin['prevout_hash']
if txin.get('prev_tx') is None:
raise UserFacingException(
_('Offline signing with {} is not supported for legacy inputs.'
).format(self.device))
prev_tx[tx_hash] = txin['prev_tx']
for x_pubkey in x_pubkeys:
if not is_xpubkey(x_pubkey):
continue
xpub, s = parse_xpubkey(x_pubkey)
if xpub == self.get_master_public_key():
xpub_path[xpub] = self.get_derivation()
self.plugin.sign_transaction(self, tx, prev_tx, xpub_path)
def recover_or_erase_dialog(self):
msg = _(
"The Digital Bitbox is already seeded. Choose an option:") + "\n"
choices = [
(_("Create a wallet using the current seed")),
(_("Load a wallet from the micro SD card (the current seed is overwritten)"
)), (_("Erase the Digital Bitbox"))
]
try:
reply = self.handler.win.query_choice(msg, choices)
except Exception:
return # Back button pushed
if reply == 2:
self.dbb_erase()
elif reply == 1:
if not self.dbb_load_backup():
return
else:
if self.hid_send_encrypt(b'{"device":"info"}')['device']['lock']:
raise UserFacingException(
_("Full 2FA enabled. This is not supported yet."))
# Use existing seed
self.isInitialized = True
def decrypt_message(self, sequence, message, password):
raise UserFacingException(
_('Encryption and decryption are not implemented by {}').format(
self.device))