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trezor-firmware/tests/device_tests/test_bip32_speed.py

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# 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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#
# 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.
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#
# 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
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import pytest
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from trezorlib import btc, device
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from trezorlib.debuglink import SessionDebugWrapper as Session
from trezorlib.messages import SafetyCheckLevel
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from trezorlib.tools import H_
pytestmark = [
pytest.mark.models("legacy"),
pytest.mark.flaky(max_runs=5),
]
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def test_public_ckd(session: Session):
# disable safety checks to access non-standard paths
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device.apply_settings(session, safety_checks=SafetyCheckLevel.PromptTemporarily)
btc.get_address(session, "Bitcoin", []) # to compute root node via BIP39
for depth in range(8):
start = time.time()
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btc.get_address(session, "Bitcoin", range(depth))
delay = time.time() - start
expected = (depth + 1) * 0.26
print("DEPTH", depth, "EXPECTED DELAY", expected, "REAL DELAY", delay)
assert delay <= expected
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def test_private_ckd(session: Session):
# disable safety checks to access non-standard paths
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device.apply_settings(session, safety_checks=SafetyCheckLevel.PromptTemporarily)
btc.get_address(session, "Bitcoin", []) # to compute root node via BIP39
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for depth in range(8):
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start = time.time()
address_n = [H_(-i) for i in range(-depth, 0)]
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btc.get_address(session, "Bitcoin", address_n)
delay = time.time() - start
expected = (depth + 1) * 0.26
print("DEPTH", depth, "EXPECTED DELAY", expected, "REAL DELAY", delay)
assert delay <= expected
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def test_cache(session: Session):
# disable safety checks to access non-standard paths
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device.apply_settings(session, safety_checks=SafetyCheckLevel.PromptTemporarily)
start = time.time()
for x in range(10):
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btc.get_address(session, "Bitcoin", [x, 2, 3, 4, 5, 6, 7, 8])
nocache_time = time.time() - start
start = time.time()
for x in range(10):
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btc.get_address(session, "Bitcoin", [1, 2, 3, 4, 5, 6, 7, x])
cache_time = time.time() - start
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print("NOCACHE TIME", nocache_time)
print("CACHED TIME", cache_time)
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# Cached time expected to be at least 2x faster
assert cache_time <= nocache_time / 2.0