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trezor-firmware/python/trezorlib/tests/device_tests/test_zerosig.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>.
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from trezorlib import btc, messages as proto
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from ..support.tx_cache import tx_cache
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from .common import TrezorTest
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TXHASH_d5f65e = bytes.fromhex(
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"d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
)
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# address_n = [177] < 68
# address_n = [16518] < 66
class TestZerosig(TrezorTest):
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"""
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def test_mine_zero_signature(self):
# tx: d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882
# input 0: 0.0039 BTC
inp1 = proto.TxInputType(address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
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# amount=390000,
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prev_hash=TXHASH_d5f65e,
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prev_index=0,
)
msg = self.client._prepare_sign_tx('Bitcoin', [inp1, ], [])
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for n in range(3500, 200000):
out1 = proto.TxOutputType(address_n=[n],
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amount=390000 - 10000,
script_type=proto.OutputScriptType.PAYTOADDRESS,
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)
msg.ClearField('outputs')
msg.outputs.extend([out1, ])
tx = self.client.call(msg)
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siglen = tx.serialized_tx[44]
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print(siglen)
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if siglen < 67:
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print("!!!!", n)
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print(tx.serialized_tx.hex())
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return
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"""
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def test_one_zero_signature(self):
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self.setup_mnemonic_nopin_nopassphrase()
inp1 = proto.TxInputType(
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address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
# amount=390000,
prev_hash=TXHASH_d5f65e,
prev_index=0,
)
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# Following address_n has been mined by 'test_mine_zero_signature'
out1 = proto.TxOutputType(
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address_n=[177],
amount=390000 - 10000,
script_type=proto.OutputScriptType.PAYTOADDRESS,
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)
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_, serialized_tx = btc.sign_tx(
self.client, "Bitcoin", [inp1], [out1], prev_txes=tx_cache("Bitcoin")
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)
siglen = serialized_tx[44]
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# Trezor must strip leading zero from signature
assert siglen == 67
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def test_two_zero_signature(self):
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self.setup_mnemonic_nopin_nopassphrase()
inp1 = proto.TxInputType(
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address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
# amount=390000,
prev_hash=TXHASH_d5f65e,
prev_index=0,
)
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# Following address_n has been mined by 'test_mine_zero_signature'
out1 = proto.TxOutputType(
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address_n=[16518],
amount=390000 - 10000,
script_type=proto.OutputScriptType.PAYTOADDRESS,
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)
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_, serialized_tx = btc.sign_tx(
self.client, "Bitcoin", [inp1], [out1], prev_txes=tx_cache("Bitcoin")
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)
siglen = serialized_tx[44]
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# Trezor must strip leading zero from signature
assert siglen == 66