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136 lines
4.5 KiB
136 lines
4.5 KiB
from common import * # isort:skip
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from trezor.crypto import bip39
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from trezor.enums import InputScriptType, OutputScriptType
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from trezor.messages import PrevOutput, SignTx, TxInput, TxOutput
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from apps.bitcoin.common import SigHashType
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from apps.bitcoin.scripts import output_derive_script
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from apps.bitcoin.sign_tx.sig_hasher import BitcoinSigHasher
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from apps.bitcoin.writers import get_tx_hash
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from apps.common import coins
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from apps.common.keychain import Keychain
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from apps.common.paths import AlwaysMatchingSchema
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class TestSegwitBip143NativeP2WPKH(unittest.TestCase):
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# pylint: disable=C0301
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tx = SignTx(
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coin_name="Bitcoin",
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version=1,
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lock_time=0x00000011,
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inputs_count=2,
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outputs_count=2,
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)
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inp1 = TxInput(
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address_n=[0],
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# Trezor expects hash in reversed format
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prev_hash=unhexlify(
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"9f96ade4b41d5433f4eda31e1738ec2b36f6e7d1420d94a6af99801a88f7f7ff"
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),
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prev_index=0,
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amount=625000000, # 6.25 btc
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script_type=InputScriptType.SPENDWITNESS,
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multisig=None,
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sequence=0xFFFFFFEE,
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)
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inp2 = TxInput(
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address_n=[1],
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# Trezor expects hash in reversed format
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prev_hash=unhexlify(
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"8ac60eb9575db5b2d987e29f301b5b819ea83a5c6579d282d189cc04b8e151ef"
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),
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prev_index=1,
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multisig=None,
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amount=600000000, # 6 btc
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script_type=InputScriptType.SPENDWITNESS,
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sequence=0xFFFFFFFF,
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)
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out1 = TxOutput(
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address="1Cu32FVupVCgHkMMRJdYJugxwo2Aprgk7H", # derived
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amount=0x0000000006B22C20,
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script_type=OutputScriptType.PAYTOADDRESS,
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multisig=None,
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address_n=[],
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)
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out2 = TxOutput(
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address="16TZ8J6Q5iZKBWizWzFAYnrsaox5Z5aBRV", # derived
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amount=0x000000000D519390,
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script_type=OutputScriptType.PAYTOADDRESS,
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multisig=None,
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address_n=[],
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)
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def test_prevouts(self):
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coin = coins.by_name(self.tx.coin_name)
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sig_hasher = BitcoinSigHasher()
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sig_hasher.add_input(self.inp1, b"")
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sig_hasher.add_input(self.inp2, b"")
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prevouts_hash = get_tx_hash(sig_hasher.h_prevouts, double=coin.sign_hash_double)
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self.assertEqual(
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hexlify(prevouts_hash),
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b"96b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd37",
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)
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def test_sequence(self):
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coin = coins.by_name(self.tx.coin_name)
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sig_hasher = BitcoinSigHasher()
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sig_hasher.add_input(self.inp1, b"")
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sig_hasher.add_input(self.inp2, b"")
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sequence_hash = get_tx_hash(
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sig_hasher.h_sequences, double=coin.sign_hash_double
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)
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self.assertEqual(
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hexlify(sequence_hash),
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b"52b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3b",
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)
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def test_outputs(self):
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coin = coins.by_name(self.tx.coin_name)
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sig_hasher = BitcoinSigHasher()
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for txo in [self.out1, self.out2]:
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script_pubkey = output_derive_script(txo.address, coin)
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txo_bin = PrevOutput(amount=txo.amount, script_pubkey=script_pubkey)
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sig_hasher.add_output(txo_bin, script_pubkey)
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outputs_hash = get_tx_hash(sig_hasher.h_outputs, double=coin.sign_hash_double)
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self.assertEqual(
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hexlify(outputs_hash),
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b"863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e5",
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)
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def test_preimage_testdata(self):
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seed = bip39.seed(
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"alcohol woman abuse must during monitor noble actual mixed trade anger aisle",
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"",
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)
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coin = coins.by_name(self.tx.coin_name)
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sig_hasher = BitcoinSigHasher()
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sig_hasher.add_input(self.inp1, b"")
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sig_hasher.add_input(self.inp2, b"")
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for txo in [self.out1, self.out2]:
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script_pubkey = output_derive_script(txo.address, coin)
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txo_bin = PrevOutput(amount=txo.amount, script_pubkey=script_pubkey)
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sig_hasher.add_output(txo_bin, script_pubkey)
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keychain = Keychain(seed, coin.curve_name, [AlwaysMatchingSchema])
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node = keychain.derive(self.inp2.address_n)
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# test data public key hash
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# only for input 2 - input 1 is not segwit
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result = sig_hasher.hash143(
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self.inp2, [node.public_key()], 1, self.tx, coin, SigHashType.SIGHASH_ALL
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)
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self.assertEqual(
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hexlify(result),
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b"2fa3f1351618b2532228d7182d3221d95c21fd3d496e7e22e9ded873cf022a8b",
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)
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if __name__ == "__main__":
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unittest.main()
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