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https://github.com/trezor/trezor-firmware.git
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127 lines
5.0 KiB
Python
127 lines
5.0 KiB
Python
from common import *
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from trezor.messages import TxInput
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from trezor.messages import TxOutput
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from trezor.enums import OutputScriptType
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from trezor.crypto import bip32, bip39
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from apps.common import coins
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from apps.bitcoin.sign_tx.tx_weight import *
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from apps.bitcoin.scripts import output_derive_script
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class TestCalculateTxWeight(unittest.TestCase):
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# pylint: disable=C0301
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def test_p2pkh_txweight(self):
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coin = coins.by_name('Bitcoin')
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seed = bip39.seed(' '.join(['all'] * 12), '')
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inp1 = TxInput(address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
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# amount=390000,
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prev_hash=unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882'),
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prev_index=0,
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amount=None,
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script_type=InputScriptType.SPENDADDRESS,
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sequence=0xffff_ffff,
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multisig=None)
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out1 = TxOutput(address='1MJ2tj2ThBE62zXbBYA5ZaN3fdve5CPAz1',
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amount=390000 - 10000,
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script_type=OutputScriptType.PAYTOADDRESS,
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address_n=[],
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multisig=None)
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calculator = TxWeightCalculator(1, 1)
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calculator.add_input(inp1)
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calculator.add_output(output_derive_script(out1.address, coin))
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serialized_tx = '010000000182488650ef25a58fef6788bd71b8212038d7f2bbe4750bc7bcb44701e85ef6d5000000006b4830450221009a0b7be0d4ed3146ee262b42202841834698bb3ee39c24e7437df208b8b7077102202b79ab1e7736219387dffe8d615bbdba87e11477104b867ef47afed1a5ede7810121023230848585885f63803a0a8aecdd6538792d5c539215c91698e315bf0253b43dffffffff0160cc0500000000001976a914de9b2a8da088824e8fe51debea566617d851537888ac00000000'
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tx_weight = len(serialized_tx) / 2 * 4 # non-segwit tx's weight is simple length*4
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self.assertEqual(calculator.get_total(), tx_weight)
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def test_p2wpkh_in_p2sh_txweight(self):
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coin = coins.by_name('Testnet')
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seed = bip39.seed(' '.join(['all'] * 12), '')
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inp1 = TxInput(
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# 49'/1'/0'/1/0" - 2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX
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address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
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amount=123456789,
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prev_hash=unhexlify('20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337'),
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prev_index=0,
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script_type=InputScriptType.SPENDP2SHWITNESS,
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sequence=0xffffffff,
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multisig=None,
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)
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out1 = TxOutput(
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address='mhRx1CeVfaayqRwq5zgRQmD7W5aWBfD5mC',
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amount=12300000,
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script_type=OutputScriptType.PAYTOADDRESS,
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address_n=[],
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multisig=None,
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)
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out2 = TxOutput(
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address='2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX',
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script_type=OutputScriptType.PAYTOADDRESS,
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amount=123456789 - 11000 - 12300000,
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address_n=[],
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multisig=None,
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)
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calculator = TxWeightCalculator(1, 2)
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calculator.add_input(inp1)
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calculator.add_output(output_derive_script(out1.address, coin))
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calculator.add_output(output_derive_script(out2.address, coin))
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self.assertEqual(calculator.get_total(), 670)
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# non-segwit: header, inputs, outputs, locktime 4*(4+65+67+4) = 560
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# segwit: segwit header, witness count, 2x witness 1*(2+1+107) = 110
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# total 670
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def test_native_p2wpkh_txweight(self):
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coin = coins.by_name('Testnet')
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seed = bip39.seed(' '.join(['all'] * 12), '')
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inp1 = TxInput(
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# 49'/1'/0'/0/0" - tb1qqzv60m9ajw8drqulta4ld4gfx0rdh82un5s65s
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address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 0, 0],
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amount=12300000,
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prev_hash=unhexlify('09144602765ce3dd8f4329445b20e3684e948709c5cdcaf12da3bb079c99448a'),
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prev_index=0,
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script_type=InputScriptType.SPENDWITNESS,
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sequence=0xffffffff,
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multisig=None,
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)
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out1 = TxOutput(
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address='2N4Q5FhU2497BryFfUgbqkAJE87aKHUhXMp',
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amount=5000000,
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script_type=OutputScriptType.PAYTOADDRESS,
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address_n=[],
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multisig=None,
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)
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out2 = TxOutput(
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address='tb1q694ccp5qcc0udmfwgp692u2s2hjpq5h407urtu',
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script_type=OutputScriptType.PAYTOADDRESS,
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amount=12300000 - 11000 - 5000000,
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address_n=[],
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multisig=None,
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)
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calculator = TxWeightCalculator(1, 2)
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calculator.add_input(inp1)
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calculator.add_output(output_derive_script(out1.address, coin))
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calculator.add_output(output_derive_script(out2.address, coin))
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self.assertEqual(calculator.get_total(), 566)
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# non-segwit: header, inputs, outputs, locktime 4*(4+42+64+4) = 456
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# segwit: segwit header, witness count, 2x witness 1*(2+1+107) = 110
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# total 566
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if __name__ == '__main__':
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unittest.main()
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