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trezor-firmware/tests/test_msg_estimatetxsize.py

35 lines
1.2 KiB
Python

import unittest
import common
import binascii
import trezorlib.messages_pb2 as proto
import trezorlib.types_pb2 as proto_types
from trezorlib.client import CallException
class TestMsgEstimatetxsize(common.TrezorTest):
def test_estimate_size(self):
self.setup_mnemonic_nopin_nopassphrase()
inp1 = proto_types.TxInputType(address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
# amount=390000,
prev_hash=binascii.unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882'),
prev_index=0,
)
out1 = proto_types.TxOutputType(address='1MJ2tj2ThBE62zXbBYA5ZaN3fdve5CPAz1',
amount=390000 - 10000,
script_type=proto_types.PAYTOADDRESS,
)
est_size = self.client.estimate_tx_size('Bitcoin', [inp1, ], [out1, ])
self.assertEqual(est_size, 194)
(_, tx) = self.client.sign_tx('Bitcoin', [inp1, ], [out1, ])
real_size = len(tx)
self.assertGreaterEqual(est_size, real_size)
if __name__ == '__main__':
unittest.main()