def check_libraries_available(self) -> bool:
def version_str(t):
return ".".join(str(i) for i in t)
try:
# this might raise ImportError or LibraryFoundButUnusable
library_version = self.get_library_version()
# if no exception so far, we might still raise LibraryFoundButUnusable
if (library_version == 'unknown'
or versiontuple(library_version) < self.minimum_library
or hasattr(self, "maximum_library")
and versiontuple(library_version) >= self.maximum_library):
raise LibraryFoundButUnusable(library_version=library_version)
except ImportError:
return False
except LibraryFoundButUnusable as e:
library_version = e.library_version
max_version_str = version_str(self.maximum_library) if hasattr(
self, "maximum_library") else "inf"
self.libraries_available_message = (
_("Library version for '{}' is incompatible.").format(
self.name) +
'\nInstalled: {}, Needed: {} <= x < {}'.format(
library_version, version_str(self.minimum_library),
max_version_str))
self.print_stderr(self.libraries_available_message)
return False
return True
def __init__(self, parent, config, name):
HW_PluginBase.__init__(self, parent, config, name)
try:
# Minimal test if python-trezor is installed
import trezorlib
try:
library_version = trezorlib.__version__
except AttributeError:
# python-trezor only introduced __version__ in 0.9.0
library_version = 'unknown'
if library_version == 'unknown' or \
versiontuple(library_version) < self.minimum_library:
self.libraries_available_message = (
_("Library version for '{}' is too old.").format(name) +
'\nInstalled: {}, Needed: {}'.format(
library_version, self.minimum_library))
self.print_stderr(self.libraries_available_message)
raise ImportError()
self.libraries_available = True
except ImportError:
self.libraries_available = False
return
from . import client
from . import transport
import trezorlib.ckd_public
import trezorlib.messages
self.client_class = client.TrezorClient
self.ckd_public = trezorlib.ckd_public
self.types = trezorlib.messages
self.DEVICE_IDS = ('TREZOR', )
self.transport_handler = transport.TrezorTransport()
self.device_manager().register_enumerate_func(self.enumerate)
def perform_hw1_preflight(self):
try:
firmwareInfo = self.dongleObject.getFirmwareVersion()
firmware = firmwareInfo['version']
self.multiOutputSupported = versiontuple(firmware) >= versiontuple(MULTI_OUTPUT_SUPPORT)
self.nativeSegwitSupported = versiontuple(firmware) >= versiontuple(SEGWIT_SUPPORT)
self.segwitSupported = self.nativeSegwitSupported or (firmwareInfo['specialVersion'] == 0x20 and versiontuple(firmware) >= versiontuple(SEGWIT_SUPPORT_SPECIAL))
if not checkFirmware(firmwareInfo):
self.dongleObject.dongle.close()
raise Exception(MSG_NEEDS_FW_UPDATE_GENERIC)
try:
self.dongleObject.getOperationMode()
except BTChipException as e:
if (e.sw == 0x6985):
self.dongleObject.dongle.close()
self.handler.get_setup( )
# Acquire the new client on the next run
else:
raise e
if self.has_detached_pin_support(self.dongleObject) and not self.is_pin_validated(self.dongleObject) and (self.handler is not None):
remaining_attempts = self.dongleObject.getVerifyPinRemainingAttempts()
if remaining_attempts != 1:
msg = "Enter your Ledger PIN - remaining attempts : " + str(remaining_attempts)
else:
msg = "Enter your Ledger PIN - WARNING : LAST ATTEMPT. If the PIN is not correct, the dongle will be wiped."
confirmed, p, pin = self.password_dialog(msg)
if not confirmed:
raise Exception('Aborted by user - please unplug the dongle and plug it again before retrying')
pin = pin.encode()
self.dongleObject.verifyPin(pin)
self.dongleObject.setAlternateCoinVersions(ADDRTYPE_P2PKH, ADDRTYPE_P2SH)
except BTChipException as e:
if (e.sw == 0x6faa):
raise Exception("Dongle is temporarily locked - please unplug it and replug it again")
if ((e.sw & 0xFFF0) == 0x63c0):
raise Exception("Invalid PIN - please unplug the dongle and plug it again before retrying")
if e.sw == 0x6f00 and e.message == 'Invalid channel':
# based on docs 0x6f00 might be a more general error, hence we also compare message to be sure
raise Exception("Invalid channel.\n"
"Please make sure that 'Browser support' is disabled on your device.")
raise e