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trezor-firmware/tests/device_tests/test_msg_estimatetxsize.py
2017-06-28 13:42:44 +02:00

55 lines
1.8 KiB
Python

# This file is part of the TREZOR project.
#
# Copyright (C) 2012-2016 Marek Palatinus <slush@satoshilabs.com>
# Copyright (C) 2012-2016 Pavol Rusnak <stick@satoshilabs.com>
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
import unittest
import binascii
import common
import trezorlib.types_pb2 as proto_types
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()