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trezor-firmware/core/tests/test_apps.bitcoin.sign_tx.writers.py
2022-05-03 22:14:40 +02:00

54 lines
1.7 KiB
Python

from common import *
from trezor.messages import TxInput
from trezor.enums import InputScriptType
from apps.bitcoin import writers
class TestWriters(unittest.TestCase):
def test_tx_input(self):
inp = TxInput(
address_n=[0],
amount=390000,
prev_hash=unhexlify(
"d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
),
prev_index=0,
sequence=0xffffffff,
script_sig=b"0123456789",
)
b = bytearray()
writers.write_tx_input(b, inp, inp.script_sig)
self.assertEqual(len(b), 32 + 4 + 1 + 10 + 4)
for bad_prevhash in (b"", b"x", b"hello", b"x" * 33):
inp.prev_hash = bad_prevhash
self.assertRaises(AssertionError, writers.write_tx_input, b, inp, inp.script_sig)
def test_tx_input_check(self):
inp = TxInput(
address_n=[0],
amount=390000,
prev_hash=unhexlify(
"d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
),
prev_index=0,
script_type=InputScriptType.SPENDWITNESS,
sequence=0xffffffff,
script_pubkey=unhexlify("76a91424a56db43cf6f2b02e838ea493f95d8d6047423188ac"),
script_sig=b"0123456789",
)
b = bytearray()
writers.write_tx_input_check(b, inp)
self.assertEqual(len(b), 4 + 4 + 32 + 4 + 11 + 4 + 4 + 1 + 8 + 1 + 1 + 1 + 4 + 26)
for bad_prevhash in (b"", b"x", b"hello", b"x" * 33):
inp.prev_hash = bad_prevhash
self.assertRaises(AssertionError, writers.write_tx_input_check, b, inp)
if __name__ == "__main__":
unittest.main()