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trezor-firmware/tests/test_apps.wallet.segwit.signtx.p2wpkh_in_p2sh.py
2018-08-23 11:23:58 +02:00

348 lines
15 KiB
Python

from common import *
from trezor.utils import chunks
from trezor.crypto import bip32, bip39
from trezor.messages.SignTx import SignTx
from trezor.messages.TxInputType import TxInputType
from trezor.messages.TxOutputType import TxOutputType
from trezor.messages.TxRequest import TxRequest
from trezor.messages.TxAck import TxAck
from trezor.messages.TransactionType import TransactionType
from trezor.messages.RequestType import TXINPUT, TXOUTPUT, TXFINISHED
from trezor.messages.TxRequestDetailsType import TxRequestDetailsType
from trezor.messages.TxRequestSerializedType import TxRequestSerializedType
from trezor.messages import InputScriptType
from trezor.messages import OutputScriptType
from apps.common import coins
from apps.wallet.sign_tx import signing
class TestSignSegwitTxP2WPKHInP2SH(unittest.TestCase):
# pylint: disable=C0301
def test_send_p2wpkh_in_p2sh(self):
coin = coins.by_name('Testnet')
seed = bip39.seed(' '.join(['all'] * 12), '')
root = bip32.from_seed(seed, 'secp256k1')
inp1 = TxInputType(
# 49'/1'/0'/1/0" - 2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX
address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
amount=123456789,
prev_hash=unhexlify('20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337'),
prev_index=0,
script_type=InputScriptType.SPENDP2SHWITNESS,
sequence=0xffffffff,
multisig=None,
)
out1 = TxOutputType(
address='mhRx1CeVfaayqRwq5zgRQmD7W5aWBfD5mC',
amount=12300000,
script_type=OutputScriptType.PAYTOADDRESS,
address_n=[],
multisig=None,
)
out2 = TxOutputType(
address='2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX',
script_type=OutputScriptType.PAYTOADDRESS,
amount=123456789 - 11000 - 12300000,
address_n=[],
multisig=None,
)
tx = SignTx(coin_name='Testnet', version=None, lock_time=None, inputs_count=1, outputs_count=2)
messages = [
None,
# check fee
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None)),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None), serialized=None),
TxAck(tx=TransactionType(outputs=[out1])),
signing.UiConfirmOutput(out1, coin),
True,
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=1, tx_hash=None), serialized=None),
TxAck(tx=TransactionType(outputs=[out2])),
signing.UiConfirmOutput(out2, coin),
True,
signing.UiConfirmTotal(123445789 + 11000, 11000, coin),
True,
# sign tx
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None), serialized=None),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None), serialized=TxRequestSerializedType(
# returned serialized inp1
serialized_tx=unhexlify('0100000000010137c361fb8f2d9056ba8c98c5611930fcb48cacfdd0fe2e0449d83eea982f91200000000017160014d16b8c0680c61fc6ed2e407455715055e41052f5ffffffff'),
)),
TxAck(tx=TransactionType(outputs=[out1])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=1, tx_hash=None), serialized=TxRequestSerializedType(
# returned serialized out1
serialized_tx=unhexlify('02e0aebb00000000001976a91414fdede0ddc3be652a0ce1afbc1b509a55b6b94888ac'),
signature_index=None,
signature=None,
)),
TxAck(tx=TransactionType(outputs=[out2])),
# segwit
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None), serialized=TxRequestSerializedType(
# returned serialized out2
serialized_tx=unhexlify('3df39f060000000017a91458b53ea7f832e8f096e896b8713a8c6df0e892ca87'),
signature_index=None,
signature=None,
)),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXFINISHED, details=None, serialized=TxRequestSerializedType(
serialized_tx=unhexlify('02483045022100ccd253bfdf8a5593cd7b6701370c531199f0f05a418cd547dfc7da3f21515f0f02203fa08a0753688871c220648f9edadbdb98af42e5d8269364a326572cf703895b012103e7bfe10708f715e8538c92d46ca50db6f657bbc455b7494e6a0303ccdb868b7900000000'),
signature_index=0,
signature=unhexlify('3045022100ccd253bfdf8a5593cd7b6701370c531199f0f05a418cd547dfc7da3f21515f0f02203fa08a0753688871c220648f9edadbdb98af42e5d8269364a326572cf703895b'),
)),
]
signer = signing.sign_tx(tx, root)
for request, response in chunks(messages, 2):
self.assertEqualEx(signer.send(request), response)
with self.assertRaises(StopIteration):
signer.send(None)
def test_send_p2wpkh_in_p2sh_change(self):
coin = coins.by_name('Testnet')
seed = bip39.seed(' '.join(['all'] * 12), '')
root = bip32.from_seed(seed, 'secp256k1')
inp1 = TxInputType(
# 49'/1'/0'/1/0" - 2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX
address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
amount=123456789,
prev_hash=unhexlify('20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337'),
prev_index=0,
script_type=InputScriptType.SPENDP2SHWITNESS,
sequence=0xffffffff,
multisig=None,
)
out1 = TxOutputType(
address='mhRx1CeVfaayqRwq5zgRQmD7W5aWBfD5mC',
amount=12300000,
script_type=OutputScriptType.PAYTOADDRESS,
address_n=[],
multisig=None,
)
out2 = TxOutputType(
address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
script_type=OutputScriptType.PAYTOP2SHWITNESS,
amount=123456789 - 11000 - 12300000,
address=None,
multisig=None,
)
tx = SignTx(coin_name='Testnet', version=None, lock_time=None, inputs_count=1, outputs_count=2)
messages = [
None,
# check fee
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None)),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=None),
TxAck(tx=TransactionType(outputs=[out1])),
signing.UiConfirmOutput(out1, coin),
True,
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=1, tx_hash=None),
serialized=None),
TxAck(tx=TransactionType(outputs=[out2])),
signing.UiConfirmTotal(12300000 + 11000, 11000, coin),
True,
# sign tx
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=None),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=TxRequestSerializedType(
# returned serialized inp1
serialized_tx=unhexlify(
'0100000000010137c361fb8f2d9056ba8c98c5611930fcb48cacfdd0fe2e0449d83eea982f91200000000017160014d16b8c0680c61fc6ed2e407455715055e41052f5ffffffff'),
)),
# the out has to be cloned not to send the same object which was modified
TxAck(tx=TransactionType(outputs=[TxOutputType(**out1.__dict__)])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=1, tx_hash=None),
serialized=TxRequestSerializedType(
# returned serialized out1
serialized_tx=unhexlify(
'02e0aebb00000000001976a91414fdede0ddc3be652a0ce1afbc1b509a55b6b94888ac'),
signature_index=None,
signature=None,
)),
TxAck(tx=TransactionType(outputs=[TxOutputType(**out2.__dict__)])),
# segwit
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=TxRequestSerializedType(
# returned serialized out2
serialized_tx=unhexlify(
'3df39f060000000017a91458b53ea7f832e8f096e896b8713a8c6df0e892ca87'),
signature_index=None,
signature=None,
)),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXFINISHED, details=None, serialized=TxRequestSerializedType(
serialized_tx=unhexlify(
'02483045022100ccd253bfdf8a5593cd7b6701370c531199f0f05a418cd547dfc7da3f21515f0f02203fa08a0753688871c220648f9edadbdb98af42e5d8269364a326572cf703895b012103e7bfe10708f715e8538c92d46ca50db6f657bbc455b7494e6a0303ccdb868b7900000000'),
signature_index=0,
signature=unhexlify('3045022100ccd253bfdf8a5593cd7b6701370c531199f0f05a418cd547dfc7da3f21515f0f02203fa08a0753688871c220648f9edadbdb98af42e5d8269364a326572cf703895b'),
)),
]
signer = signing.sign_tx(tx, root)
for request, response in chunks(messages, 2):
self.assertEqualEx(signer.send(request), response)
with self.assertRaises(StopIteration):
signer.send(None)
# see https://github.com/trezor/trezor-mcu/commit/6b615ce40567cc0da0b3b38ff668916aaae9dd4b#commitcomment-25505919
# for the rational behind this attack
def test_send_p2wpkh_in_p2sh_attack_amount(self):
coin = coins.by_name('Testnet')
seed = bip39.seed(' '.join(['all'] * 12), '')
root = bip32.from_seed(seed, 'secp256k1')
inp1 = TxInputType(
# 49'/1'/0'/1/0" - 2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX
address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
amount=10,
prev_hash=unhexlify('20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337'),
prev_index=0,
script_type=InputScriptType.SPENDP2SHWITNESS,
sequence=0xffffffff,
multisig=None,
)
inpattack = TxInputType(
# 49'/1'/0'/1/0" - 2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX
address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
amount=9, # modified!
prev_hash=unhexlify('20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337'),
prev_index=0,
script_type=InputScriptType.SPENDP2SHWITNESS,
sequence=0xffffffff,
multisig=None,
)
out1 = TxOutputType(
address='mhRx1CeVfaayqRwq5zgRQmD7W5aWBfD5mC',
amount=8,
script_type=OutputScriptType.PAYTOADDRESS,
address_n=[],
multisig=None,
)
out2 = TxOutputType(
address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
script_type=OutputScriptType.PAYTOP2SHWITNESS,
amount=1,
address=None,
multisig=None,
)
tx = SignTx(coin_name='Testnet', version=None, lock_time=None, inputs_count=1, outputs_count=2)
messages = [
None,
# check fee
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None)),
TxAck(tx=TransactionType(inputs=[inpattack])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=None),
TxAck(tx=TransactionType(outputs=[out1])),
signing.UiConfirmOutput(out1, coin),
True,
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=1, tx_hash=None),
serialized=None),
TxAck(tx=TransactionType(outputs=[out2])),
signing.UiConfirmTotal(8, 0, coin),
True,
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=None),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=TxRequestSerializedType(
# returned serialized inpattack
serialized_tx=unhexlify(
'0100000000010137c361fb8f2d9056ba8c98c5611930fcb48cacfdd0fe2e0449d83eea982f91200000000017160014d16b8c0680c61fc6ed2e407455715055e41052f5ffffffff'),
)),
# the out has to be cloned not to send the same object which was modified
TxAck(tx=TransactionType(outputs=[TxOutputType(**out1.__dict__)])),
TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=1, tx_hash=None),
serialized=TxRequestSerializedType(
# returned serialized out1
serialized_tx=unhexlify(
'0208000000000000001976a91414fdede0ddc3be652a0ce1afbc1b509a55b6b94888ac'),
signature_index=None,
signature=None,
)),
TxAck(tx=TransactionType(outputs=[TxOutputType(**out2.__dict__)])),
# segwit
TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None),
serialized=TxRequestSerializedType(
# returned serialized out2
serialized_tx=unhexlify(
'010000000000000017a91458b53ea7f832e8f096e896b8713a8c6df0e892ca87'),
signature_index=None,
signature=None,
)),
TxAck(tx=TransactionType(inputs=[inp1])),
TxRequest(request_type=TXFINISHED, details=None)
]
signer = signing.sign_tx(tx, root)
i = 0
messages_count = int(len(messages) / 2)
for request, response in chunks(messages, 2):
if i == messages_count - 1: # last message should throw SigningError
self.assertRaises(signing.SigningError, signer.send, request)
else:
self.assertEqualEx(signer.send(request), response)
i += 1
with self.assertRaises(StopIteration):
signer.send(None)
def assertEqualEx(self, a, b):
# hack to avoid adding __eq__ to signing.Ui* classes
if ((isinstance(a, signing.UiConfirmOutput) and isinstance(b, signing.UiConfirmOutput)) or
(isinstance(a, signing.UiConfirmTotal) and isinstance(b, signing.UiConfirmTotal))):
return self.assertEqual(a.__dict__, b.__dict__)
else:
return self.assertEqual(a, b)
if __name__ == '__main__':
unittest.main()