tests: add reset-recovery test for BIP39

tests/device_tests/test_reset_recovery_bip39.py

@@ -0,0 +1,144 @@
+# 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 btc, device, messages
+from trezorlib.messages import BackupType, ButtonRequestType as B
+from trezorlib.tools import parse_path
+
+from ..common import click_through, read_and_confirm_mnemonic
+
+
+@pytest.mark.skip_t1
+@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)
+
+        # 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="english",
+            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