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291 lines
9.9 KiB
291 lines
9.9 KiB
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import pytest
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import shamir_mnemonic as shamir
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from trezorlib import device, messages
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from trezorlib.debuglink import TrezorClientDebugLink as Client
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from trezorlib.exceptions import TrezorFailure
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from trezorlib.messages import ButtonRequestType as B
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from ..common import (
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MNEMONIC12,
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MNEMONIC_SLIP39_ADVANCED_20,
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MNEMONIC_SLIP39_BASIC_20_3of6,
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read_and_confirm_mnemonic,
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)
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def click_info_button(debug):
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"""Click Shamir backup info button and return back."""
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debug.press_info()
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yield # Info screen with text
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debug.press_yes()
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@pytest.mark.skip_t1 # TODO we want this for t1 too
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@pytest.mark.setup_client(needs_backup=True, mnemonic=MNEMONIC12)
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def test_backup_bip39(client: Client):
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assert client.features.needs_backup is True
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mnemonic = None
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def input_flow():
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nonlocal mnemonic
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yield # Confirm Backup
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client.debug.press_yes()
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# Mnemonic phrases
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mnemonic = yield from read_and_confirm_mnemonic(client.debug)
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yield # Confirm success
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client.debug.press_yes()
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yield # Backup is done
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client.debug.press_yes()
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with client:
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client.set_input_flow(input_flow)
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client.set_expected_responses(
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[
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messages.ButtonRequest(code=B.ResetDevice),
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messages.ButtonRequest(code=B.ResetDevice),
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messages.ButtonRequest(code=B.Success),
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messages.ButtonRequest(code=B.Success),
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messages.Success,
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messages.Features,
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]
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)
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device.backup(client)
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assert mnemonic == MNEMONIC12
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client.init_device()
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assert client.features.initialized is True
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assert client.features.needs_backup is False
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assert client.features.unfinished_backup is False
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assert client.features.no_backup is False
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assert client.features.backup_type is messages.BackupType.Bip39
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@pytest.mark.skip_t1
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@pytest.mark.setup_client(needs_backup=True, mnemonic=MNEMONIC_SLIP39_BASIC_20_3of6)
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@pytest.mark.parametrize(
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"click_info", [True, False], ids=["click_info", "no_click_info"]
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)
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def test_backup_slip39_basic(client: Client, click_info: bool):
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assert client.features.needs_backup is True
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mnemonics = []
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def input_flow():
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yield # Checklist
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client.debug.press_yes()
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if click_info:
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yield from click_info_button(client.debug)
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yield # Number of shares (5)
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client.debug.press_yes()
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yield # Checklist
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client.debug.press_yes()
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if click_info:
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yield from click_info_button(client.debug)
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yield # Threshold (3)
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client.debug.press_yes()
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yield # Checklist
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client.debug.press_yes()
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yield # Confirm show seeds
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client.debug.press_yes()
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# Mnemonic phrases
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for _ in range(5):
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# Phrase screen
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mnemonic = yield from read_and_confirm_mnemonic(client.debug)
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mnemonics.append(mnemonic)
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yield # Confirm continue to next
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client.debug.press_yes()
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yield # Confirm backup
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client.debug.press_yes()
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with client:
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client.set_input_flow(input_flow)
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client.set_expected_responses(
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[messages.ButtonRequest(code=B.ResetDevice)]
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* (8 if click_info else 6) # intro screens (and optional info)
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+ [
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messages.ButtonRequest(code=B.ResetDevice),
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messages.ButtonRequest(code=B.Success),
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]
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* 5 # individual shares
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+ [
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messages.ButtonRequest(code=B.Success),
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messages.Success,
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messages.Features,
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]
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)
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device.backup(client)
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client.init_device()
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assert client.features.initialized is True
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assert client.features.needs_backup is False
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assert client.features.unfinished_backup is False
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assert client.features.no_backup is False
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assert client.features.backup_type is messages.BackupType.Slip39_Basic
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expected_ms = shamir.combine_mnemonics(MNEMONIC_SLIP39_BASIC_20_3of6)
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actual_ms = shamir.combine_mnemonics(mnemonics[:3])
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assert expected_ms == actual_ms
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@pytest.mark.skip_t1
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@pytest.mark.setup_client(needs_backup=True, mnemonic=MNEMONIC_SLIP39_ADVANCED_20)
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@pytest.mark.parametrize(
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"click_info", [True, False], ids=["click_info", "no_click_info"]
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)
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def test_backup_slip39_advanced(client: Client, click_info: bool):
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assert client.features.needs_backup is True
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mnemonics = []
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def input_flow():
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yield # Checklist
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client.debug.press_yes()
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if click_info:
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yield from click_info_button(client.debug)
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yield # Set and confirm group count
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client.debug.press_yes()
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yield # Checklist
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client.debug.press_yes()
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if click_info:
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yield from click_info_button(client.debug)
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yield # Set and confirm group threshold
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client.debug.press_yes()
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yield # Checklist
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client.debug.press_yes()
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for _ in range(5): # for each of 5 groups
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if click_info:
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yield from click_info_button(client.debug)
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yield # Set & Confirm number of shares
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client.debug.press_yes()
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if click_info:
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yield from click_info_button(client.debug)
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yield # Set & confirm share threshold value
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client.debug.press_yes()
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yield # Confirm show seeds
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client.debug.press_yes()
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# Mnemonic phrases
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for _ in range(5):
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for _ in range(5):
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# Phrase screen
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mnemonic = yield from read_and_confirm_mnemonic(client.debug)
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mnemonics.append(mnemonic)
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yield # Confirm continue to next
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client.debug.press_yes()
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yield # Confirm backup
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client.debug.press_yes()
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with client:
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client.set_input_flow(input_flow)
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client.set_expected_responses(
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[messages.ButtonRequest(code=B.ResetDevice)]
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* (8 if click_info else 6) # intro screens (and optional info)
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+ [
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(click_info, messages.ButtonRequest(code=B.ResetDevice)),
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messages.ButtonRequest(code=B.ResetDevice),
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(click_info, messages.ButtonRequest(code=B.ResetDevice)),
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messages.ButtonRequest(code=B.ResetDevice),
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]
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* 5 # group thresholds (and optional info)
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+ [
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messages.ButtonRequest(code=B.ResetDevice),
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messages.ButtonRequest(code=B.Success),
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]
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* 25 # individual shares
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+ [
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messages.ButtonRequest(code=B.Success),
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messages.Success,
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messages.Features,
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]
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)
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device.backup(client)
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client.init_device()
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assert client.features.initialized is True
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assert client.features.needs_backup is False
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assert client.features.unfinished_backup is False
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assert client.features.no_backup is False
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assert client.features.backup_type is messages.BackupType.Slip39_Advanced
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expected_ms = shamir.combine_mnemonics(MNEMONIC_SLIP39_ADVANCED_20)
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actual_ms = shamir.combine_mnemonics(
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mnemonics[:3] + mnemonics[5:8] + mnemonics[10:13]
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)
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assert expected_ms == actual_ms
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# we only test this with bip39 because the code path is always the same
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@pytest.mark.setup_client(no_backup=True)
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def test_no_backup_fails(client: Client):
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client.ensure_unlocked()
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assert client.features.initialized is True
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assert client.features.no_backup is True
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assert client.features.needs_backup is False
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# backup attempt should fail because no_backup=True
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with pytest.raises(TrezorFailure, match=r".*Seed already backed up"):
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device.backup(client)
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# we only test this with bip39 because the code path is always the same
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@pytest.mark.setup_client(needs_backup=True)
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def test_interrupt_backup_fails(client: Client):
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client.ensure_unlocked()
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assert client.features.initialized is True
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assert client.features.needs_backup is True
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assert client.features.unfinished_backup is False
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assert client.features.no_backup is False
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# start backup
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client.call_raw(messages.BackupDevice())
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# interupt backup by sending initialize
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client.init_device()
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# check that device state is as expected
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assert client.features.initialized is True
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assert client.features.needs_backup is False
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assert client.features.unfinished_backup is True
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assert client.features.no_backup is False
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# Second attempt at backup should fail
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with pytest.raises(TrezorFailure, match=r".*Seed already backed up"):
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device.backup(client)
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# we only test this with bip39 because the code path is always the same
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@pytest.mark.setup_client(uninitialized=True)
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def test_no_backup_show_entropy_fails(client: Client):
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with pytest.raises(
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TrezorFailure, match=r".*Can't show internal entropy when backup is skipped"
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):
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device.reset(
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client,
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display_random=True,
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strength=128,
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passphrase_protection=False,
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pin_protection=False,
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label="test",
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language="en-US",
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no_backup=True,
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)
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