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trezor-firmware/tests/test_apps.wallet.segwit.bip143.py

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from common import *
from apps.wallet.sign_tx.signing import *
from apps.common import coins
from trezor.messages.SignTx import SignTx
from trezor.messages.TxInputType import TxInputType
from trezor.messages.TxOutputType import TxOutputType
from trezor.messages import OutputScriptType
from trezor.crypto import bip32, bip39
class TestSegwitBip143(unittest.TestCase):
# pylint: disable=C0301
tx = SignTx(coin_name='Bitcoin', version=1, lock_time=0x00000492, inputs_count=1, outputs_count=2)
inp1 = TxInputType(address_n=[0],
# Trezor expects hash in reversed format
prev_hash=unhexlify('77541aeb3c4dac9260b68f74f44c973081a9d4cb2ebe8038b2d70faa201b6bdb'),
prev_index=1,
amount=1000000000, # 10 btc
script_type=InputScriptType.SPENDP2SHWITNESS, # todo is this correct?
sequence=0xfffffffe)
out1 = TxOutputType(address='1Fyxts6r24DpEieygQiNnWxUdb18ANa5p7',
amount=0x000000000bebb4b8,
script_type=OutputScriptType.PAYTOADDRESS,
address_n=None)
out2 = TxOutputType(address='1Q5YjKVj5yQWHBBsyEBamkfph3cA6G9KK8',
amount=0x000000002faf0800,
script_type=OutputScriptType.PAYTOADDRESS,
address_n=None)
def test_bip143_prevouts(self):
bip143 = Bip143()
bip143.add_prevouts(self.inp1)
self.assertEqual(hexlify(bip143.get_prevouts_hash()), b'b0287b4a252ac05af83d2dcef00ba313af78a3e9c329afa216eb3aa2a7b4613a')
def test_bip143_sequence(self):
bip143 = Bip143()
bip143.add_sequence(self.inp1)
self.assertEqual(hexlify(bip143.get_sequence_hash()), b'18606b350cd8bf565266bc352f0caddcf01e8fa789dd8a15386327cf8cabe198')
def test_bip143_outputs(self):
seed = bip39.seed('alcohol woman abuse must during monitor noble actual mixed trade anger aisle', '')
root = bip32.from_seed(seed, 'secp256k1')
coin = coins.by_name(self.tx.coin_name)
bip143 = Bip143()
for txo in [self.out1, self.out2]:
txo_bin = TxOutputBinType()
txo_bin.amount = txo.amount
txo_bin.script_pubkey = output_derive_script(txo, coin, root)
bip143.add_output(txo_bin)
self.assertEqual(hexlify(bip143.get_outputs_hash()),
b'de984f44532e2173ca0d64314fcefe6d30da6f8cf27bafa706da61df8a226c83')
def test_bip143_preimage_testdata(self):
seed = bip39.seed('alcohol woman abuse must during monitor noble actual mixed trade anger aisle', '')
root = bip32.from_seed(seed, 'secp256k1')
coin = coins.by_name(self.tx.coin_name)
bip143 = Bip143()
bip143.add_prevouts(self.inp1)
bip143.add_sequence(self.inp1)
for txo in [self.out1, self.out2]:
txo_bin = TxOutputBinType()
txo_bin.amount = txo.amount
txo_bin.script_pubkey = output_derive_script(txo, coin, root)
bip143.add_output(txo_bin)
# test data public key hash
result = bip143.preimage_hash(self.tx, self.inp1, unhexlify('79091972186c449eb1ded22b78e40d009bdf0089'))
self.assertEqual(hexlify(result), b'64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6')
if __name__ == '__main__':
unittest.main()