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trezor-firmware/tests/device_tests/bitcoin/test_multisig_change.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 typing import Optional
import pytest
from trezorlib import btc, messages
from trezorlib.debuglink import TrezorClientDebugLink as Client
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from trezorlib.tools import H_, parse_path
from ... import bip32
from ...common import MNEMONIC12, is_core
from ...input_flows import InputFlowConfirmAllWarnings
from .signtx import (
forge_prevtx,
request_finished,
request_input,
request_meta,
request_output,
)
B = messages.ButtonRequestType
pytestmark = [pytest.mark.multisig, pytest.mark.setup_client(mnemonic=MNEMONIC12)]
NODE_EXT1 = bip32.deserialize(
"xpub69qexv5TppjJQtXwSGeGXNtgGWyUzvsHACMt4Rr61Be4CmCf55eFcuXX828aySNuNR7hQYUCvUgZpioNxfs2HTAZWUUSFywhErg7JfTPv3Y"
)
# m/1 => 02c0d0c5fee952620757c6128dbf327c996cd72ed3358d15d6518a1186099bc15e
# m/2 => 0375b9dfaad928ce1a7eed88df7c084e67d99e9ab74332419458a9a45779706801
NODE_EXT2 = bip32.deserialize(
"xpub69qexv5TppjJRiLLK2K1FZNCFcErkXprCo3jabCXMiqX5CFF4LHedwcXvXkTuBL9tFLWVxuGWrdeerXjiWpC1gynTNUaySDsr8SU5xMpj5R"
)
# m/1 => 0388460dc439f4c8f5bcfc268c36e11b4375cad5c3535c336cfdf8c32c3afad5c1
# m/2 => 03a04f945d5a3685729dde697d574076de4bdf38e904f813b22a851548e1110fc0
NODE_EXT3 = bip32.deserialize(
"xpub69qexv5TppjJVYtxFKSBFxcVGyaC8VJDa1RugAYwEDLVUBuaXrVgznvQB44piM8MRerfVf1pNCBK1L1NzhyKd4Ay25BVZX3S8twWfZDxmz7"
)
# m/1 => 02e0c21e2a7cf00b94c5421725acff97f9826598b91f2340c5ddda730caca7d648
# m/2 => 03928301ffb8c0d7a364b794914c716ba3107cc78a6fe581028b0d8638b22e8573
NODE_INT = bip32.deserialize(
"xpub69qexv5TppjJNEK5bfX8vQ6ASXDUQ5PohSajrHgeknHZ4SJipn7edmpRmiiBLLDtPur71mekZFazhgas8rkUMnS7quk5qp64TLLV8ShrxZJ"
)
# m/1 => 03f91460d79e4e463d7d90cb75254bcd62b515a99a950574c721efdc5f711dff35
# m/2 => 038caebd6f753bbbd2bb1f3346a43cd32140648583673a31d62f2dfb56ad0ab9e3
multisig_in1 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT2, NODE_EXT1, NODE_INT],
address_n=[0, 0],
signatures=[b"", b"", b""],
m=2,
)
multisig_in2 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT1, NODE_EXT2, NODE_INT],
address_n=[0, 1],
signatures=[b"", b"", b""],
m=2,
)
multisig_in3 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT1, NODE_EXT3, NODE_INT],
address_n=[0, 1],
signatures=[b"", b"", b""],
m=2,
)
prev_hash_1, prev_tx_1 = forge_prevtx(
[("3HwrvQEfYw4wUvGHpGmixWB15HPgqrvTh1", 50_000_000)]
)
INP1 = messages.TxInputType(
address_n=[H_(45), 0, 0, 0],
amount=50_000_000,
prev_hash=prev_hash_1,
prev_index=0,
script_type=messages.InputScriptType.SPENDMULTISIG,
multisig=multisig_in1,
)
prev_hash_2, prev_tx_2 = forge_prevtx(
[("3Md42fbNjSH3qwnj5jDvT6CSzJKVXHiXSc", 34_500_000)]
)
INP2 = messages.TxInputType(
address_n=[H_(45), 0, 0, 1],
amount=34_500_000,
prev_hash=prev_hash_2,
prev_index=0,
script_type=messages.InputScriptType.SPENDMULTISIG,
multisig=multisig_in2,
)
prev_hash_3, prev_tx_3 = forge_prevtx(
[("35PBSvszuvxhEDypGYcUhEQDigvKY8C5Rc", 55_500_000)]
)
INP3 = messages.TxInputType(
address_n=[H_(45), 0, 0, 1],
amount=55_500_000,
prev_hash=prev_hash_3,
prev_index=0,
script_type=messages.InputScriptType.SPENDMULTISIG,
multisig=multisig_in3,
)
TX_API = {prev_hash_1: prev_tx_1, prev_hash_2: prev_tx_2, prev_hash_3: prev_tx_3}
def _responses(
client: Client,
INP1: messages.TxInputType,
INP2: messages.TxInputType,
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change_indices: Optional[list[int]] = None,
foreign_indices: Optional[list[int]] = None,
):
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if change_indices is None:
change_indices = []
if foreign_indices is None:
foreign_indices = []
resp = [
request_input(0),
request_input(1),
request_output(0),
]
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if 1 in foreign_indices:
resp.append(messages.ButtonRequest(code=B.UnknownDerivationPath))
if 1 not in change_indices:
resp.append(messages.ButtonRequest(code=B.ConfirmOutput))
if is_core(client):
resp.append(messages.ButtonRequest(code=B.ConfirmOutput))
resp.append(request_output(1))
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if 2 in foreign_indices:
resp.append(messages.ButtonRequest(code=B.UnknownDerivationPath))
if 2 not in change_indices:
resp.append(messages.ButtonRequest(code=B.ConfirmOutput))
if is_core(client):
resp.append(messages.ButtonRequest(code=B.ConfirmOutput))
resp += [
messages.ButtonRequest(code=B.SignTx),
request_input(0),
request_meta(INP1.prev_hash),
request_input(0, INP1.prev_hash),
request_output(0, INP1.prev_hash),
request_input(1),
request_meta(INP2.prev_hash),
request_input(0, INP2.prev_hash),
request_output(0, INP2.prev_hash),
request_input(0),
request_input(1),
request_output(0),
request_output(1),
request_input(0),
request_input(1),
request_output(0),
request_output(1),
request_output(0),
request_output(1),
request_finished(),
]
return resp
# both outputs are external
def test_external_external(client: Client):
out1 = messages.TxOutputType(
address="1F8yBZB2NZhPZvJekhjTwjhQRRvQeTjjXr",
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
out2 = messages.TxOutputType(
address="1H7uXJQTVwXca2BXF2opTrvuZapk8Cm8zY",
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
with client:
client.set_expected_responses(_responses(client, INP1, INP2))
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
)
# first external, second internal
def test_external_internal(client: Client):
out1 = messages.TxOutputType(
address="1F8yBZB2NZhPZvJekhjTwjhQRRvQeTjjXr",
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
out2 = messages.TxOutputType(
address_n=parse_path("m/45h/0/1/1"),
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
with client:
client.set_expected_responses(
_responses(
client,
INP1,
INP2,
change_indices=[] if is_core(client) else [2],
foreign_indices=[2],
)
)
if is_core(client):
IF = InputFlowConfirmAllWarnings(client)
client.set_input_flow(IF.get())
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
)
# first internal, second external
def test_internal_external(client: Client):
out1 = messages.TxOutputType(
address_n=parse_path("m/45h/0/1/0"),
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
out2 = messages.TxOutputType(
address="1H7uXJQTVwXca2BXF2opTrvuZapk8Cm8zY",
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
with client:
client.set_expected_responses(
_responses(
client,
INP1,
INP2,
change_indices=[] if is_core(client) else [1],
foreign_indices=[1],
)
)
if is_core(client):
IF = InputFlowConfirmAllWarnings(client)
client.set_input_flow(IF.get())
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
)
# both outputs are external
def test_multisig_external_external(client: Client):
out1 = messages.TxOutputType(
address="3B23k4kFBRtu49zvpG3Z9xuFzfpHvxBcwt",
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
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)
out2 = messages.TxOutputType(
address="3PkXLsY7AUZCrCKGvX8FfP2EawowUBMbcg",
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
)
with client:
client.set_expected_responses(_responses(client, INP1, INP2))
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
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)
# inputs match, change matches (first is change)
def test_multisig_change_match_first(client: Client):
multisig_out1 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT1, NODE_EXT2, NODE_INT],
address_n=[1, 0],
signatures=[b"", b"", b""],
m=2,
)
out1 = messages.TxOutputType(
address_n=[H_(45), 0, 1, 0],
multisig=multisig_out1,
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOMULTISIG,
)
out2 = messages.TxOutputType(
address="3PkXLsY7AUZCrCKGvX8FfP2EawowUBMbcg",
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
)
with client:
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client.set_expected_responses(
_responses(client, INP1, INP2, change_indices=[1])
)
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
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)
# inputs match, change matches (second is change)
def test_multisig_change_match_second(client: Client):
multisig_out2 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT1, NODE_EXT2, NODE_INT],
address_n=[1, 1],
signatures=[b"", b"", b""],
m=2,
)
out1 = messages.TxOutputType(
address="3B23k4kFBRtu49zvpG3Z9xuFzfpHvxBcwt",
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
)
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out2 = messages.TxOutputType(
address_n=[H_(45), 0, 1, 1],
multisig=multisig_out2,
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOMULTISIG,
)
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with client:
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client.set_expected_responses(
_responses(client, INP1, INP2, change_indices=[2])
)
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
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)
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# inputs match, change mismatches (second tries to be change but isn't)
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def test_multisig_mismatch_multisig_change(client: Client):
multisig_out2 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT1, NODE_INT, NODE_EXT3],
address_n=[1, 0],
signatures=[b"", b"", b""],
m=2,
)
out1 = messages.TxOutputType(
address="3B23k4kFBRtu49zvpG3Z9xuFzfpHvxBcwt",
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
)
out2 = messages.TxOutputType(
address_n=[H_(45), 0, 1, 0],
multisig=multisig_out2,
amount=44_000_000,
script_type=messages.OutputScriptType.PAYTOMULTISIG,
)
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with client:
client.set_expected_responses(_responses(client, INP1, INP2))
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP2],
[out1, out2],
prev_txes=TX_API,
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)
# inputs mismatch, change matches with first input
def test_multisig_mismatch_inputs(client: Client):
multisig_out1 = messages.MultisigRedeemScriptType(
nodes=[NODE_EXT2, NODE_EXT1, NODE_INT],
address_n=[1, 0],
signatures=[b"", b"", b""],
m=2,
)
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out1 = messages.TxOutputType(
address_n=[H_(45), 0, 1, 0],
multisig=multisig_out1,
amount=40_000_000,
script_type=messages.OutputScriptType.PAYTOMULTISIG,
)
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out2 = messages.TxOutputType(
address="3PkXLsY7AUZCrCKGvX8FfP2EawowUBMbcg",
amount=65_000_000,
script_type=messages.OutputScriptType.PAYTOADDRESS,
)
with client:
client.set_expected_responses(_responses(client, INP1, INP3))
btc.sign_tx(
client,
"Bitcoin",
[INP1, INP3],
[out1, out2],
prev_txes=TX_API,
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)