2021-10-26 13:49:08 +00:00
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# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2021 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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import pytest
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from trezorlib import btc, messages
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2021-11-02 00:15:39 +00:00
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from trezorlib.exceptions import TrezorFailure
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from trezorlib.tools import H_, parse_path
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2021-10-26 13:49:08 +00:00
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from ..tx_cache import TxCache
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from .signtx import request_finished, request_input, request_meta, request_output
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B = messages.ButtonRequestType
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TX_API = TxCache("Testnet")
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TXHASH_7956f1 = bytes.fromhex(
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"7956f1de3e7362b04115b64a31f0b6822c50dd6c08d78398f392a0ac3f0e357b"
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)
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TXHASH_3ac32e = bytes.fromhex(
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"3ac32e90831d79385eee49d6030a2123cd9d009fe8ffc3d470af9a6a777a119b"
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)
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TXHASH_df862e = bytes.fromhex(
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"df862e31da31ff84addd392f6aa89af18978a398ea258e4901ae72894b66679f"
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)
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TXHASH_8c3ea7 = bytes.fromhex(
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"8c3ea7a10ab6d289119b722ec8c27b70c17c722334ced31a0370d782e4b6775d"
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)
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TXHASH_901593 = bytes.fromhex(
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"901593bed347678d9762fdee728c35dc4ec3cfdc3728a4d72dcaab3751122e85"
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)
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2021-11-02 00:15:39 +00:00
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TXHASH_091446 = bytes.fromhex(
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"09144602765ce3dd8f4329445b20e3684e948709c5cdcaf12da3bb079c99448a"
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)
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TXHASH_65b811 = bytes.fromhex(
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"65b811d3eca0fe6915d9f2d77c86c5a7f19bf66b1b1253c2c51cb4ae5f0c017b"
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)
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2021-10-26 13:49:08 +00:00
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class TestMsgSigntxTaproot:
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def test_send_p2tr(self, client):
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inp1 = messages.TxInputType(
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# tb1pn2d0yjeedavnkd8z8lhm566p0f2utm3lgvxrsdehnl94y34txmts5s7t4c
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address_n=parse_path("86'/1'/0'/1/0"),
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amount=4600,
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prev_hash=TXHASH_7956f1,
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prev_index=1,
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script_type=messages.InputScriptType.SPENDTAPROOT,
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)
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out1 = messages.TxOutputType(
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# 86'/1'/1'/0/0
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address="tb1paxhjl357yzctuf3fe58fcdx6nul026hhh6kyldpfsf3tckj9a3wslqd7zd",
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amount=4450,
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script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
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with client:
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client.set_expected_responses(
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[
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request_input(0),
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request_output(0),
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messages.ButtonRequest(code=B.ConfirmOutput),
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messages.ButtonRequest(code=B.SignTx),
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request_input(0),
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request_output(0),
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request_input(0),
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request_finished(),
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]
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)
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_, serialized_tx = btc.sign_tx(
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client, "Testnet", [inp1], [out1], prev_txes=TX_API
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)
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assert (
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serialized_tx.hex()
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== "010000000001017b350e3faca092f39883d7086cdd502c82b6f0314ab61541b062733edef156790100000000ffffffff016211000000000000225120e9af2fc69e20b0be2629cd0e9c34da9f3ef56af7beac4fb4298262bc5a45ec5d0140493145b992dacbd7ea579a415efc2cba20c3bf0f7827d1bcf999109c0d11783fe96f91ddb04a889faa17ad21ecc5c81a578009744e95c7e721aff2a5c442916600000000"
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)
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def test_send_two_with_change(self, client):
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inp1 = messages.TxInputType(
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# tb1pswrqtykue8r89t9u4rprjs0gt4qzkdfuursfnvqaa3f2yql07zmq8s8a5u
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address_n=parse_path("86'/1'/0'/0/0"),
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amount=6800,
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prev_hash=TXHASH_df862e,
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prev_index=0,
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script_type=messages.InputScriptType.SPENDTAPROOT,
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)
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inp2 = messages.TxInputType(
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# tb1p8tvmvsvhsee73rhym86wt435qrqm92psfsyhy6a3n5gw455znnpqm8wald
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address_n=parse_path("86'/1'/0'/0/1"),
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amount=13000,
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prev_hash=TXHASH_3ac32e,
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prev_index=1,
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script_type=messages.InputScriptType.SPENDTAPROOT,
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)
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out1 = messages.TxOutputType(
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# 84'/1'/1'/0/0
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address="tb1q7r9yvcdgcl6wmtta58yxf29a8kc96jkyxl7y88",
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amount=15000,
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script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
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out2 = messages.TxOutputType(
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# tb1pn2d0yjeedavnkd8z8lhm566p0f2utm3lgvxrsdehnl94y34txmts5s7t4c
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address_n=parse_path("86'/1'/0'/1/0"),
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script_type=messages.OutputScriptType.PAYTOTAPROOT,
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amount=6800 + 13000 - 200 - 15000,
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)
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with client:
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client.set_expected_responses(
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[
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request_input(0),
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request_input(1),
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request_output(0),
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messages.ButtonRequest(code=B.ConfirmOutput),
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request_output(1),
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messages.ButtonRequest(code=B.SignTx),
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request_input(0),
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request_input(1),
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request_output(0),
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request_output(1),
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request_input(0),
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request_input(1),
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request_finished(),
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]
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)
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_, serialized_tx = btc.sign_tx(
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client, "Testnet", [inp1, inp2], [out1, out2], prev_txes=TX_API
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)
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assert (
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serialized_tx.hex()
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== "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"
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)
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def test_send_mixed(self, client):
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inp1 = messages.TxInputType(
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# 2MutHjgAXkqo3jxX2DZWorLAckAnwTxSM9V
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address_n=parse_path("49'/1'/1'/0/0"),
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amount=20000,
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prev_hash=TXHASH_8c3ea7,
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prev_index=0,
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script_type=messages.InputScriptType.SPENDP2SHWITNESS,
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)
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inp2 = messages.TxInputType(
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# tb1q7r9yvcdgcl6wmtta58yxf29a8kc96jkyxl7y88
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address_n=parse_path("84'/1'/1'/0/0"),
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amount=15000,
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prev_hash=TXHASH_7956f1,
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prev_index=0,
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script_type=messages.InputScriptType.SPENDWITNESS,
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)
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inp3 = messages.TxInputType(
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# tb1paxhjl357yzctuf3fe58fcdx6nul026hhh6kyldpfsf3tckj9a3wslqd7zd
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address_n=parse_path("86'/1'/1'/0/0"),
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amount=4450,
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prev_hash=TXHASH_901593,
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prev_index=0,
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script_type=messages.InputScriptType.SPENDTAPROOT,
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)
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inp4 = messages.TxInputType(
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# msUqRgCWS7ryuFcF34EaKTrsTe3xHra128
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address_n=parse_path("44'/1'/1'/0/0"),
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amount=10000,
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prev_hash=TXHASH_3ac32e,
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prev_index=2,
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script_type=messages.InputScriptType.SPENDADDRESS,
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)
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out1 = messages.TxOutputType(
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address="tb1q6xnnna3g7lk22h5tn8nlx2ezmndlvuk556w4w3",
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amount=25000,
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script_type=messages.OutputScriptType.PAYTOWITNESS,
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)
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out2 = messages.TxOutputType(
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address="mfnMbVFC1rH4p9GNbjkMfrAjyKRLycFAzA",
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script_type=messages.OutputScriptType.PAYTOADDRESS,
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amount=7000,
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)
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out3 = messages.TxOutputType(
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address="2MvAG8m2xSf83FgeR4ZpUtaubpLNjAMMoka",
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amount=6900,
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script_type=messages.OutputScriptType.PAYTOP2SHWITNESS,
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)
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out4 = messages.TxOutputType(
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op_return_data=b"test of op_return data",
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amount=0,
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script_type=messages.OutputScriptType.PAYTOOPRETURN,
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)
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out5 = messages.TxOutputType(
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address="tb1ptgp9w0mm89ms43flw0gkrhyx75gyc6qjhtpf0jmt5sv0dufpnsrsyv9nsz",
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amount=10000,
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script_type=messages.OutputScriptType.PAYTOTAPROOT,
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)
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with client:
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client.set_expected_responses(
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[
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# process inputs
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request_input(0),
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request_input(1),
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request_input(2),
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request_input(3),
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# approve outputs
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request_output(0),
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messages.ButtonRequest(code=B.ConfirmOutput),
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request_output(1),
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messages.ButtonRequest(code=B.ConfirmOutput),
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request_output(2),
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messages.ButtonRequest(code=B.ConfirmOutput),
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request_output(3),
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messages.ButtonRequest(code=B.ConfirmOutput),
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request_output(4),
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messages.ButtonRequest(code=B.ConfirmOutput),
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messages.ButtonRequest(code=B.SignTx),
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# verify inputs
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request_input(0),
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request_meta(TXHASH_8c3ea7),
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request_input(0, TXHASH_8c3ea7),
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request_output(0, TXHASH_8c3ea7),
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request_output(1, TXHASH_8c3ea7),
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request_input(1),
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request_meta(TXHASH_7956f1),
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request_input(0, TXHASH_7956f1),
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request_input(1, TXHASH_7956f1),
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request_output(0, TXHASH_7956f1),
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request_output(1, TXHASH_7956f1),
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request_input(2),
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request_meta(TXHASH_901593),
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request_input(0, TXHASH_901593),
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request_output(0, TXHASH_901593),
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request_input(3),
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request_meta(TXHASH_3ac32e),
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request_input(0, TXHASH_3ac32e),
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request_output(0, TXHASH_3ac32e),
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request_output(1, TXHASH_3ac32e),
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request_output(2, TXHASH_3ac32e),
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# serialize (segwit) inputs
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request_input(0),
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request_input(1),
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request_input(2),
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# serialize and sign legacy input
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request_input(0),
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request_input(1),
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request_input(2),
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request_input(3),
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request_output(0),
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request_output(1),
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request_output(2),
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request_output(3),
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request_output(4),
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# serialize outputs
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request_output(0),
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request_output(1),
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request_output(2),
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request_output(3),
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request_output(4),
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# sign segwit inputs
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request_input(0),
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request_input(1),
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request_input(2),
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2021-11-12 10:17:06 +00:00
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(client.features.model == "1", request_input(3)),
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2021-10-26 13:49:08 +00:00
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request_finished(),
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]
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)
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_, serialized_tx = btc.sign_tx(
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client,
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"Testnet",
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[inp1, inp2, inp3, inp4],
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[out1, out2, out3, out4, out5],
|
|
|
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|
prev_txes=TX_API,
|
|
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|
)
|
|
|
|
|
|
|
|
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|
assert (
|
|
|
|
|
serialized_tx.hex()
|
|
|
|
|
== "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"
|
|
|
|
|
)
|
2021-11-02 00:15:39 +00:00
|
|
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|
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|
|
|
def test_attack_script_type(self, client):
|
|
|
|
|
# Scenario: The attacker falsely claims that the transaction is Taproot-only to avoid prev
|
|
|
|
|
# tx streaming and gives a lower amount for one of the inputs. The correct input types and
|
|
|
|
|
# amounts are revelaled only in step6_sign_segwit_inputs() to get a valid signature. This
|
|
|
|
|
# results in a transaction which pays a fee much larger than what the user confirmed.
|
|
|
|
|
|
|
|
|
|
inp1 = messages.TxInputType(
|
|
|
|
|
address_n=parse_path("84'/1'/0'/1/0"),
|
|
|
|
|
amount=7289000,
|
|
|
|
|
prev_hash=TXHASH_65b811,
|
|
|
|
|
prev_index=1,
|
|
|
|
|
script_type=messages.InputScriptType.SPENDWITNESS,
|
|
|
|
|
)
|
|
|
|
|
inp2 = messages.TxInputType(
|
|
|
|
|
address_n=parse_path("84'/1'/1'/0/0"),
|
|
|
|
|
amount=12300000,
|
|
|
|
|
prev_hash=TXHASH_091446,
|
|
|
|
|
prev_index=0,
|
|
|
|
|
script_type=messages.InputScriptType.SPENDWITNESS,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
out1 = messages.TxOutputType(
|
|
|
|
|
address="tb1q694ccp5qcc0udmfwgp692u2s2hjpq5h407urtu",
|
|
|
|
|
script_type=messages.OutputScriptType.PAYTOADDRESS,
|
|
|
|
|
amount=7289000 + 10000 - 1000,
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
attack_count = 5
|
|
|
|
|
|
|
|
|
|
def attack_processor(msg):
|
|
|
|
|
nonlocal attack_count
|
|
|
|
|
|
|
|
|
|
if attack_count > 0 and msg.tx.inputs:
|
|
|
|
|
attack_count -= 1
|
|
|
|
|
if msg.tx.inputs[0] == inp2:
|
|
|
|
|
msg.tx.inputs[0].amount = 10000
|
|
|
|
|
msg.tx.inputs[0].address_n[0] = H_(86)
|
|
|
|
|
msg.tx.inputs[0].script_type = messages.InputScriptType.SPENDTAPROOT
|
|
|
|
|
|
|
|
|
|
return msg
|
|
|
|
|
|
|
|
|
|
with client:
|
|
|
|
|
client.set_filter(messages.TxAck, attack_processor)
|
|
|
|
|
client.set_expected_responses(
|
|
|
|
|
[
|
|
|
|
|
request_input(0),
|
|
|
|
|
request_input(1),
|
|
|
|
|
request_output(0),
|
|
|
|
|
messages.ButtonRequest(code=B.ConfirmOutput),
|
|
|
|
|
messages.ButtonRequest(code=B.SignTx),
|
|
|
|
|
request_input(0),
|
|
|
|
|
request_input(1),
|
|
|
|
|
request_output(0),
|
|
|
|
|
request_input(0),
|
|
|
|
|
request_input(1),
|
|
|
|
|
messages.Failure(code=messages.FailureType.ProcessError),
|
|
|
|
|
]
|
|
|
|
|
)
|
|
|
|
|
with pytest.raises(TrezorFailure) as exc:
|
|
|
|
|
btc.sign_tx(client, "Testnet", [inp1, inp2], [out1], prev_txes=TX_API)
|
|
|
|
|
assert exc.value.code == messages.FailureType.ProcessError
|
|
|
|
|
assert exc.value.message.endswith("Transaction has changed during signing")
|
