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trezor-firmware/trezorlib/tests/device_tests/test_bip32_speed.py

74 lines
2.5 KiB
Python

# This file is part of the Trezor project.
#
# Copyright (C) 2012-2018 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 time
import pytest
from trezorlib import btc
from trezorlib.tools import H_
from .common import TrezorTest
class TestBip32Speed(TrezorTest):
def test_public_ckd(self):
self.setup_mnemonic_nopin_nopassphrase()
btc.get_address(self.client, "Bitcoin", []) # to compute root node via BIP39
for depth in range(8):
start = time.time()
btc.get_address(self.client, "Bitcoin", range(depth))
delay = time.time() - start
expected = (depth + 1) * 0.26
print("DEPTH", depth, "EXPECTED DELAY", expected, "REAL DELAY", delay)
assert delay <= expected
def test_private_ckd(self):
self.setup_mnemonic_nopin_nopassphrase()
btc.get_address(self.client, "Bitcoin", []) # to compute root node via BIP39
for depth in range(8):
start = time.time()
address_n = [H_(-i) for i in range(-depth, 0)]
btc.get_address(self.client, "Bitcoin", address_n)
delay = time.time() - start
expected = (depth + 1) * 0.26
print("DEPTH", depth, "EXPECTED DELAY", expected, "REAL DELAY", delay)
assert delay <= expected
@pytest.mark.skip_t2
def test_cache(self):
self.setup_mnemonic_nopin_nopassphrase()
start = time.time()
for x in range(10):
btc.get_address(self.client, "Bitcoin", [x, 2, 3, 4, 5, 6, 7, 8])
nocache_time = time.time() - start
start = time.time()
for x in range(10):
btc.get_address(self.client, "Bitcoin", [1, 2, 3, 4, 5, 6, 7, x])
cache_time = time.time() - start
print("NOCACHE TIME", nocache_time)
print("CACHED TIME", cache_time)
# Cached time expected to be at least 2x faster
assert cache_time <= nocache_time / 2.0