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trezor-firmware/tests/persistence_tests/test_shamir_persistence.py

217 lines
6.8 KiB
Python

# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
import pytest
from trezorlib import device
from .. import buttons
from ..click_tests import recovery
from ..common import MNEMONIC_SLIP39_ADVANCED_20, MNEMONIC_SLIP39_BASIC_20_3of6
from ..device_handler import BackgroundDeviceHandler
from ..emulators import EmulatorWrapper
from ..upgrade_tests import core_only
@pytest.fixture
def emulator():
with EmulatorWrapper("core") as emu:
yield emu
def _restart(device_handler, emulator):
device_handler.restart(emulator)
return device_handler.debuglink()
@core_only
def test_abort(emulator):
device_handler = BackgroundDeviceHandler(emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.recovery_mode is False
device_handler.run(device.recover, pin_protection=False)
layout = debug.wait_layout()
assert layout.text.startswith("Recovery mode")
layout = debug.click(buttons.OK, wait=True)
assert "Select number of words" in layout.text
device_handler.restart(emulator)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.recovery_mode is True
# no waiting for layout because layout doesn't change
layout = debug.read_layout()
assert "Select number of words" in layout.text
layout = debug.click(buttons.CANCEL, wait=True)
assert layout.text.startswith("Abort recovery")
layout = debug.click(buttons.OK, wait=True)
assert layout.text == "Homescreen"
features = device_handler.features()
assert features.recovery_mode is False
@core_only
def test_recovery_single_reset(emulator):
device_handler = BackgroundDeviceHandler(emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.initialized is False
assert features.recovery_mode is False
device_handler.run(device.recover, pin_protection=False)
recovery.confirm_recovery(debug)
recovery.select_number_of_words(debug)
debug = _restart(device_handler, emulator)
features = device_handler.features()
assert features.recovery_mode is True
# we need to enter the number of words again, that's a feature
recovery.select_number_of_words(debug)
recovery.enter_shares(debug, MNEMONIC_SLIP39_BASIC_20_3of6)
recovery.finalize(debug)
features = device_handler.features()
assert features.initialized is True
assert features.recovery_mode is False
@core_only
def test_recovery_on_old_wallet(emulator):
"""Check that the recovery workflow started on a disconnected device can survive
handling by the old Wallet.
While Suite will send a RecoveryDevice message and hook into the running recovery
flow, old Wallet can't do that and instead must repeatedly ask for features (via
Initialize+GetFeatures). At minimum, these two messages must not interrupt the
running recovery.
"""
device_handler = BackgroundDeviceHandler(emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.initialized is False
assert features.recovery_mode is False
# enter recovery mode
device_handler.run(device.recover, pin_protection=False)
recovery.confirm_recovery(debug)
# restart to get into stand-alone recovery
debug = _restart(device_handler, emulator)
features = device_handler.features()
assert features.recovery_mode is True
# enter number of words
recovery.select_number_of_words(debug)
first_share = MNEMONIC_SLIP39_BASIC_20_3of6[0]
words = first_share.split(" ")
# start entering first share
layout = debug.read_layout()
assert "Enter any share" in layout.text
debug.press_yes()
layout = debug.wait_layout()
assert layout.text == "Slip39Keyboard"
# enter first word
debug.input(words[0])
layout = debug.wait_layout()
# while keyboard is open, hit the device with Initialize/GetFeatures
device_handler.client.init_device()
device_handler.client.refresh_features()
# try entering remaining 19 words
for word in words[1:]:
assert layout.text == "Slip39Keyboard"
debug.input(word)
layout = debug.wait_layout()
# check that we entered the first share successfully
assert "2 more shares" in layout.text
# try entering the remaining shares
for share in MNEMONIC_SLIP39_BASIC_20_3of6[1:3]:
recovery.enter_share(debug, share)
recovery.finalize(debug)
# check that the recovery succeeded
features = device_handler.features()
assert features.initialized is True
assert features.recovery_mode is False
@core_only
def test_recovery_multiple_resets(emulator):
def enter_shares_with_restarts(debug):
shares = MNEMONIC_SLIP39_ADVANCED_20
layout = debug.read_layout()
expected_text = "Enter any share"
remaining = len(shares)
for share in shares:
assert expected_text in layout.text
layout = recovery.enter_share(debug, share)
remaining -= 1
expected_text = "Success You have entered"
debug = _restart(device_handler, emulator)
assert "You have successfully recovered your wallet" in layout.text
device_handler = BackgroundDeviceHandler(emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.initialized is False
assert features.recovery_mode is False
# start device and recovery
device_handler.run(device.recover, pin_protection=False)
recovery.confirm_recovery(debug)
# set number of words
recovery.select_number_of_words(debug)
# restart
debug = _restart(device_handler, emulator)
features = device_handler.features()
assert features.recovery_mode is True
# enter the number of words again, that's a feature!
recovery.select_number_of_words(debug)
# enter shares and restart after each one
enter_shares_with_restarts(debug)
debug = device_handler.debuglink()
layout = debug.read_layout()
assert layout.text == "Homescreen"
features = device_handler.features()
assert features.initialized is True
assert features.recovery_mode is False