mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-22 15:38:11 +00:00
260 lines
8.2 KiB
Python
260 lines
8.2 KiB
Python
# 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.messages import BackupType, ButtonRequestType as B
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from ..common import click_through, read_and_confirm_mnemonic
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def backup_flow_bip39(client):
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mnemonic = None
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def input_flow():
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nonlocal mnemonic
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# 1. Confirm Reset
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yield from click_through(client.debug, screens=1, code=B.ResetDevice)
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# mnemonic phrases
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btn_code = yield
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assert btn_code == B.ResetDevice
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mnemonic = read_and_confirm_mnemonic(client.debug, words=12)
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# confirm recovery seed check
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btn_code = yield
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assert btn_code == B.Success
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client.debug.press_yes()
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# confirm success
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btn_code = yield
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assert btn_code == B.Success
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client.debug.press_yes()
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with client:
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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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]
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)
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client.set_input_flow(input_flow)
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device.backup(client)
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return mnemonic.encode()
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def backup_flow_slip39_basic(client):
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mnemonics = []
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def input_flow():
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# 1. Checklist
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# 2. Number of shares (5)
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# 3. Checklist
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# 4. Threshold (3)
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# 5. Checklist
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# 6. Confirm show seeds
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yield from click_through(client.debug, screens=6, code=B.ResetDevice)
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# Mnemonic phrases
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for _ in range(5):
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yield # Phrase screen
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mnemonic = read_and_confirm_mnemonic(client.debug, words=20)
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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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# Confirm backup
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yield
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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)] * 6 # intro screens
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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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+ [messages.ButtonRequest(code=B.Success), messages.Success()]
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)
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device.backup(client)
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mnemonics = mnemonics[:3]
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ms = shamir.combine_mnemonics(mnemonics)
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identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(mnemonics)
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secret = shamir._encrypt(ms, b"", iteration_exponent, identifier)
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return secret
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def backup_flow_slip39_advanced(client):
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mnemonics = []
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def input_flow():
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# 1. Confirm Reset
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# 2. shares info
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# 3. Set & Confirm number of groups
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# 4. threshold info
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# 5. Set & confirm group threshold value
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# 6-15: for each of 5 groups:
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# 1. Set & Confirm number of shares
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# 2. Set & confirm share threshold value
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# 16. Confirm show seeds
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yield from click_through(client.debug, screens=16, code=B.ResetDevice)
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# show & confirm shares for all groups
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for _ in range(5):
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for _ in range(5):
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# mnemonic phrases
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btn_code = yield
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assert btn_code == B.ResetDevice
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mnemonic = read_and_confirm_mnemonic(client.debug, words=20)
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mnemonics.append(mnemonic)
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# Confirm continue to next share
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btn_code = yield
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assert btn_code == B.Success
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client.debug.press_yes()
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# safety warning
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btn_code = yield
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assert btn_code == B.Success
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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)] * 6 # intro screens
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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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]
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* 5 # group thresholds
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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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+ [messages.ButtonRequest(code=B.Success), messages.Success()]
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)
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device.backup(client)
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mnemonics = mnemonics[0:3] + mnemonics[5:8] + mnemonics[10:13]
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ms = shamir.combine_mnemonics(mnemonics)
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identifier, iteration_exponent, _, _, _ = shamir._decode_mnemonics(mnemonics)
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secret = shamir._encrypt(ms, b"", iteration_exponent, identifier)
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return secret
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VECTORS = [
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(BackupType.Bip39, backup_flow_bip39),
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(BackupType.Slip39_Basic, backup_flow_slip39_basic),
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(BackupType.Slip39_Advanced, backup_flow_slip39_advanced),
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]
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@pytest.mark.skip_t1
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@pytest.mark.parametrize("backup_type, backup_flow", VECTORS)
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@pytest.mark.setup_client(uninitialized=True)
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def test_skip_backup_msg(client, backup_type, backup_flow):
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device.reset(
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client,
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skip_backup=True,
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passphrase_protection=False,
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pin_protection=False,
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backup_type=backup_type,
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)
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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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assert client.features.backup_type is backup_type
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secret = backup_flow(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.backup_type is backup_type
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assert secret is not None
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state = client.debug.state()
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assert state.mnemonic_type is backup_type
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assert state.mnemonic_secret == secret
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@pytest.mark.skip_t1
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@pytest.mark.parametrize("backup_type, backup_flow", VECTORS)
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@pytest.mark.setup_client(uninitialized=True)
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def test_skip_backup_manual(client, backup_type, backup_flow):
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def reset_skip_input_flow():
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yield # Confirm Recovery
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client.debug.press_yes()
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yield # Skip Backup
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client.debug.press_no()
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yield # Confirm skip backup
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client.debug.press_no()
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with client:
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client.set_input_flow(reset_skip_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.EntropyRequest(),
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messages.ButtonRequest(code=B.ResetDevice),
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messages.ButtonRequest(code=B.ResetDevice),
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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.reset(
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client,
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pin_protection=False,
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passphrase_protection=False,
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backup_type=backup_type,
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)
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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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assert client.features.backup_type is backup_type
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secret = backup_flow(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.backup_type is backup_type
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assert secret is not None
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state = client.debug.state()
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assert state.mnemonic_type is backup_type
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assert state.mnemonic_secret == secret
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