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core/tests: add unit tests for prevhash writers

This commit is contained in:
matejcik 2020-03-16 16:16:10 +01:00 committed by Tomas Susanka
parent a9faa4d4ab
commit bd9e15bb8c

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from common import *
from trezor.messages.TxInputType import TxInputType
from trezor.messages import InputScriptType
from apps.common import coins
from apps.common.seed import Keychain
from apps.wallet.sign_tx import writers
class TestWriters(unittest.TestCase):
def test_tx_input(self):
inp = TxInputType(
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)
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)
def test_tx_input_check(self):
inp = TxInputType(
address_n=[0],
amount=390000,
prev_hash=unhexlify(
"d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
),
prev_index=0,
script_type=InputScriptType.SPENDWITNESS,
sequence=0xffffffff,
script_sig=b"0123456789",
)
b = bytearray()
writers.write_tx_input_check(b, inp)
self.assertEqual(len(b), 32 + 4 + 4 + 4 + 4 + 4 + 8)
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()