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trezor-firmware/tests/persistence_tests/test_shamir_persistence.py
2024-08-22 11:38:54 +02:00

221 lines
7.5 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, models
from trezorlib.debuglink import DebugLink
from trezorlib.messages import RecoveryStatus
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 Emulator
from ..upgrade_tests import core_only
def _restart(
device_handler: BackgroundDeviceHandler, core_emulator: Emulator
) -> DebugLink:
device_handler.restart(core_emulator)
return device_handler.debuglink()
@core_only
def test_abort(core_emulator: Emulator):
device_handler = BackgroundDeviceHandler(core_emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
if debug.model is models.T3T1:
pytest.skip("abort not supported on T3T1")
assert features.recovery_status == RecoveryStatus.Nothing
device_handler.run(device.recover, pin_protection=False)
assert debug.read_layout().title().lower() == "recover wallet"
layout = debug.click(buttons.OK)
assert "number of words" in layout.text_content()
debug = _restart(device_handler, core_emulator)
features = device_handler.features()
assert features.recovery_status == RecoveryStatus.Recovery
# no waiting for layout because layout doesn't change
assert "number of words" in debug.read_layout().text_content()
# clicking at 24 in word choice (the same coords as CANCEL)
layout = debug.click(buttons.CANCEL)
# Cancelling the backup
assert "Enter your backup" in debug.read_layout().text_content()
layout = debug.click(buttons.CANCEL)
assert layout.title().lower() in ("abort recovery", "cancel recovery")
layout = debug.click(buttons.OK)
assert layout.main_component() == "Homescreen"
features = device_handler.features()
assert features.recovery_status == RecoveryStatus.Nothing
@core_only
def test_recovery_single_reset(core_emulator: Emulator):
device_handler = BackgroundDeviceHandler(core_emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.initialized is False
assert features.recovery_status == RecoveryStatus.Nothing
device_handler.run(device.recover, pin_protection=False)
recovery.confirm_recovery(debug)
recovery.select_number_of_words(debug)
debug = _restart(device_handler, core_emulator)
features = device_handler.features()
assert features.recovery_status == RecoveryStatus.Recovery
# 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_status == RecoveryStatus.Nothing
@core_only
def test_recovery_on_old_wallet(core_emulator: 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(core_emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.initialized is False
assert features.recovery_status == RecoveryStatus.Nothing
# 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, core_emulator)
features = device_handler.features()
assert features.recovery_status == RecoveryStatus.Recovery
# 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
assert "Enter each word of your wallet backup" in debug.read_layout().text_content()
debug.press_yes()
assert debug.read_layout().main_component() == "MnemonicKeyboard"
# enter first word
debug.input(words[0])
layout = debug.read_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.main_component() == "MnemonicKeyboard"
debug.input(word)
layout = debug.read_layout()
# check that we entered the first share successfully
assert "2 more shares needed" in layout.text_content()
# 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_status == RecoveryStatus.Nothing
@core_only
def test_recovery_multiple_resets(core_emulator: Emulator):
def enter_shares_with_restarts(debug: DebugLink) -> None:
shares = MNEMONIC_SLIP39_ADVANCED_20
layout = debug.read_layout()
expected_text = "Enter each word of your wallet backup"
remaining = len(shares)
for share in shares:
assert expected_text in layout.text_content()
layout = recovery.enter_share(debug, share)
remaining -= 1
expected_text = "You have entered"
debug = _restart(device_handler, core_emulator)
assert "Wallet recovery completed" in layout.text_content()
device_handler = BackgroundDeviceHandler(core_emulator.client)
debug = device_handler.debuglink()
features = device_handler.features()
assert features.initialized is False
assert features.recovery_status == RecoveryStatus.Nothing
# 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, core_emulator)
features = device_handler.features()
assert features.recovery_status == RecoveryStatus.Recovery
# 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()
assert debug.read_layout().main_component() == "Homescreen"
features = device_handler.features()
assert features.initialized is True
assert features.recovery_status == RecoveryStatus.Nothing