trezor-firmware/python/tests/test_tools.py

# This file is part of the Trezor project.
#
# Copyright (C) 2012-2022 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 tools

VECTORS = (  # descriptor, checksum
    (
        "pkh([5c9e228d/44h/0h/0h]xpub6BiVtCpG9fQPxnPmHXG8PhtzQdWC2Su4qWu6XW9tpWFYhxydCLJGrWBJZ5H6qTAHdPQ7pQhtpjiYZVZARo14qHiay2fvrX996oEP42u8wZy/0/*)",
        "lnrxp640",
    ),
    (
        "pkh([5c9e228d/44h/0h/0h]xpub6BiVtCpG9fQPxnPmHXG8PhtzQdWC2Su4qWu6XW9tpWFYhxydCLJGrWBJZ5H6qTAHdPQ7pQhtpjiYZVZARo14qHiay2fvrX996oEP42u8wZy/1/*)",
        "w8x8u09h",
    ),
    (
        "sh(wpkh([5c9e228d/49h/0h/0h]xpub6CVKsQYXc9awxgV1tWbG4foDvdcnieK2JkbpPEBKB5WwAPKBZ1mstLbKVB4ov7QzxzjaxNK6EfmNY5Jsk2cG26EVcEkycGW4tchT2dyUhrx/0/*))",
        "kx6mu23v",
    ),
    (
        "sh(wpkh([5c9e228d/49h/0h/0h]xpub6CVKsQYXc9awxgV1tWbG4foDvdcnieK2JkbpPEBKB5WwAPKBZ1mstLbKVB4ov7QzxzjaxNK6EfmNY5Jsk2cG26EVcEkycGW4tchT2dyUhrx/1/*))",
        "r85dy4yn",
    ),
    (
        "wpkh([5c9e228d/84h/0h/0h]xpub6DDUPHpUo4pcy43iJeZjbSVWGav1SMMmuWdMHiGtkK8rhKmfbomtkwW6GKs1GGAKehT6QRocrmda3WWxXawpjmwaUHfFRXuKrXSapdckEYF/0/*)",
        "vyj8qz0q",
    ),
    (
        "wpkh([5c9e228d/84h/0h/0h]xpub6DDUPHpUo4pcy43iJeZjbSVWGav1SMMmuWdMHiGtkK8rhKmfbomtkwW6GKs1GGAKehT6QRocrmda3WWxXawpjmwaUHfFRXuKrXSapdckEYF/1/*)",
        "ashxahlc",
    ),
)


@pytest.mark.parametrize("descriptor, checksum", VECTORS)
def test_descriptor_checksum(descriptor, checksum):
    assert tools.descriptor_checksum(descriptor) == checksum