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trezor-firmware/tests/device_tests/test_reset_recovery_bip39.py
2020-01-07 12:38:12 +00:00

150 lines
4.8 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>.
from unittest import mock
import pytest
from trezorlib import btc, device, messages
from trezorlib.messages import BackupType, ButtonRequestType as B
from trezorlib.tools import parse_path
from ..common import EXTERNAL_ENTROPY, click_through, read_and_confirm_mnemonic
@pytest.mark.skip_t1
@pytest.mark.skip_ui
@pytest.mark.setup_client(uninitialized=True)
def test_reset_recovery(client):
mnemonic = reset(client)
address_before = btc.get_address(client, "Bitcoin", parse_path("44'/0'/0'/0/0"))
device.wipe(client)
recover(client, mnemonic)
address_after = btc.get_address(client, "Bitcoin", parse_path("44'/0'/0'/0/0"))
assert address_before == address_after
def reset(client, strength=128, skip_backup=False):
mnemonic = None
word_count = strength // 32 * 3
def input_flow():
nonlocal mnemonic
# 1. Confirm Reset
# 2. Backup your seed
# 3. Confirm warning
yield from click_through(client.debug, screens=3, code=B.ResetDevice)
# mnemonic phrases
btn_code = yield
assert btn_code == B.ResetDevice
mnemonic = read_and_confirm_mnemonic(client.debug, words=word_count)
# confirm recovery seed check
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
# confirm success
btn_code = yield
assert btn_code == B.Success
client.debug.press_yes()
with client:
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ResetDevice),
messages.EntropyRequest(),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.ResetDevice),
messages.ButtonRequest(code=B.Success),
messages.ButtonRequest(code=B.Success),
messages.Success(),
messages.Features(),
]
)
client.set_input_flow(input_flow)
os_urandom = mock.Mock(return_value=EXTERNAL_ENTROPY)
with mock.patch("os.urandom", os_urandom), client:
# No PIN, no passphrase, don't display random
device.reset(
client,
display_random=False,
strength=strength,
passphrase_protection=False,
pin_protection=False,
label="test",
language="en-US",
backup_type=BackupType.Bip39,
)
# Check if device is properly initialized
assert client.features.initialized is True
assert client.features.needs_backup is False
assert client.features.pin_protection is False
assert client.features.passphrase_protection is False
return mnemonic
def recover(client, mnemonic):
debug = client.debug
words = mnemonic.split(" ")
def input_flow():
yield # Confirm recovery
debug.press_yes()
yield # Homescreen
debug.press_yes()
yield # Enter word count
debug.input(str(len(words)))
yield # Homescreen
debug.press_yes()
yield # Enter words
for word in words:
debug.input(word)
yield # confirm success
debug.press_yes()
with client:
client.set_input_flow(input_flow)
client.set_expected_responses(
[
messages.ButtonRequest(code=B.ProtectCall),
messages.ButtonRequest(code=B.RecoveryHomepage),
messages.ButtonRequest(code=B.MnemonicWordCount),
messages.ButtonRequest(code=B.RecoveryHomepage),
messages.ButtonRequest(code=B.MnemonicInput),
messages.ButtonRequest(code=B.Success),
messages.Success(),
messages.Features(),
]
)
ret = device.recover(client, pin_protection=False, label="label")
# Workflow successfully ended
assert ret == messages.Success(message="Device recovered")
assert client.features.pin_protection is False
assert client.features.passphrase_protection is False