trezor-firmware/core/tests/test_apps.bitcoin.signtx.py

from common import *

from trezor.utils import chunks
from trezor.crypto import bip39
from trezor.messages import SignTx
from trezor.messages import TxAckInput
from trezor.messages import TxAckInputWrapper
from trezor.messages import TxInput
from trezor.messages import TxAckOutput
from trezor.messages import TxAckOutputWrapper
from trezor.messages import TxOutput
from trezor.messages import TxAckPrevMeta
from trezor.messages import PrevTx
from trezor.messages import TxAckPrevInput
from trezor.messages import TxAckPrevInputWrapper
from trezor.messages import PrevInput
from trezor.messages import TxAckPrevOutput
from trezor.messages import TxAckPrevOutputWrapper
from trezor.messages import PrevOutput
from trezor.messages import TxRequest
from trezor.enums.RequestType import TXINPUT, TXOUTPUT, TXMETA, TXFINISHED
from trezor.messages import TxRequestDetailsType
from trezor.messages import TxRequestSerializedType
from trezor.enums import AmountUnit
from trezor.enums import OutputScriptType

from apps.common import coins
from apps.common.keychain import Keychain
from apps.bitcoin.keychain import get_schemas_for_coin
from apps.bitcoin.sign_tx import bitcoin, helpers


EMPTY_SERIALIZED = TxRequestSerializedType(serialized_tx=bytearray())


class TestSignTx(unittest.TestCase):
    # pylint: disable=C0301

    def test_one_one_fee(self):
        # input tx: 1f326f65768d55ef146efbb345bd87abe84ac7185726d0457a026fc347a26ef3
        # input 0: 0.03801747 BTC

        # output tx: https://btc1.trezor.io/tx/e590d5d76867e9f14466f715e26438845afff0ae082cda1f2f55aa8bf7f98140

        coin_bitcoin = coins.by_name("Bitcoin")

        ptx1 = PrevTx(
            version=1, lock_time=0, inputs_count=2, outputs_count=1, extra_data_len=0
        )
        pinp1 = PrevInput(
            script_sig=unhexlify(
                "47304402202df6c8885489be0fd52ed1f82c20b4c2c03e479369ea8439ed6233a3bb349ddd02207f749a00dd98d1aca699178d8fa954dc45b9faff33d3c9f03b81fa766061f2d70121038b60c00f69d78f2c5df84a24b30894c3700e4d6176a1f440461c8c69bf1f4262"
            ),
            prev_hash=unhexlify(
                "468c0de3bf9dfcc4915354904108611db9547a16ec38a24bf6b240ccc946e0d3"
            ),
            prev_index=0,
            sequence=0xFFFF_FFFF,
        )
        pinp2 = PrevInput(
            script_sig=unhexlify(
                "483045022100b11b3804e9b5fbbad70532e550192b3bbdd65b51f30572638a5559a86600856702204b3bd50a847ddf66426c0f413b9e1a98388b0d36479e66ef37b2d53d9ad13d47012103d443712f673afafafc006ccb6e19220de7ae0c07c9832666103974293d04a93c"
            ),
            prev_hash=unhexlify(
                "ebb32bba661e3dccb216acf593de26223f5f2c17f6a75634f2a0b581c4855fa0"
            ),
            prev_index=0,
            sequence=0xFFFF_FFFF,
        )
        pout1 = PrevOutput(
            script_pubkey=unhexlify(
                "76a914be145c9a7c131ad0c6c9b86f83748d660b42e2f488ac"
            ),
            amount=3_801_747,
        )

        inp1 = TxInput(
            address_n=[44 | 0x80000000, 0 | 0x80000000, 0 | 0x80000000, 0, 10],
            prev_hash=unhexlify(
                "1f326f65768d55ef146efbb345bd87abe84ac7185726d0457a026fc347a26ef3"
            ),
            prev_index=0,
            amount=3_801_747,
            multisig=None,
            sequence=0xFFFF_FFFF,
        )
        out1 = TxOutput(
            address="19WEjX2zgXdn6FCLmRAJ5Ty593GkJ77pNj",
            amount=3_801_747 - 50_000,
            script_type=OutputScriptType.PAYTOADDRESS,
            multisig=None,
        )
        tx = SignTx(
            coin_name=None, version=1, lock_time=0, inputs_count=1, outputs_count=1
        )

        # precomputed tx weight is 768
        fee_rate = 50_000 / (768 / 4)

        messages = [
            None,
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out1)),
            helpers.UiConfirmOutput(out1, coin_bitcoin, AmountUnit.BITCOIN),
            True,
            helpers.UiConfirmTotal(3_801_747, 50_000, fee_rate, coin_bitcoin, AmountUnit.BITCOIN),
            True,
            # ButtonRequest(code=ButtonRequest_ConfirmOutput),
            # ButtonRequest(code=ButtonRequest_SignTx),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXMETA,
                details=TxRequestDetailsType(
                    request_index=None,
                    tx_hash=unhexlify(
                        "1f326f65768d55ef146efbb345bd87abe84ac7185726d0457a026fc347a26ef3"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevMeta(tx=ptx1),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(
                    request_index=0,
                    tx_hash=unhexlify(
                        "1f326f65768d55ef146efbb345bd87abe84ac7185726d0457a026fc347a26ef3"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp1)),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(
                    request_index=1,
                    tx_hash=unhexlify(
                        "1f326f65768d55ef146efbb345bd87abe84ac7185726d0457a026fc347a26ef3"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp2)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(
                    request_index=0,
                    tx_hash=unhexlify(
                        "1f326f65768d55ef146efbb345bd87abe84ac7185726d0457a026fc347a26ef3"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevOutput(tx=TxAckPrevOutputWrapper(output=pout1)),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    serialized_tx=unhexlify("0100000001")
                ),
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    signature_index=0,
                    signature=unhexlify(
                        "3045022100bebe58e7eac8170334f987d0f67032a2eddd0e2f378e002502ec88a69460ea460220040a8effc41167f5d5a5ffc77f37317d8125c7cd05f92d142e4d977f2f132c94"
                    ),
                    serialized_tx=unhexlify(
                        "f36ea247c36f027a45d0265718c74ae8ab87bd45b3fb6e14ef558d76656f321f000000006b483045022100bebe58e7eac8170334f987d0f67032a2eddd0e2f378e002502ec88a69460ea460220040a8effc41167f5d5a5ffc77f37317d8125c7cd05f92d142e4d977f2f132c940121038bac33bcdaeec5626e2f2c5680a9fdc5e551d4e1167f272825bea98e6158d4c8ffffffff01"
                    ),
                ),
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out1)),
            TxRequest(
                request_type=TXFINISHED,
                details=TxRequestDetailsType(),
                serialized=TxRequestSerializedType(
                    signature_index=None,
                    signature=None,
                    serialized_tx=unhexlify(
                        "433f3900000000001976a9145d48886f4e2aad3164e55e23a7a41b921646a33488ac00000000"
                    ),
                ),
            ),
        ]

        seed = bip39.seed(
            " ".join(["all"] * 12),
            "",
        )
        ns = get_schemas_for_coin(coin_bitcoin)
        keychain = Keychain(seed, coin_bitcoin.curve_name, ns)
        signer = bitcoin.Bitcoin(tx, keychain, coin_bitcoin, None).signer()

        for request, response in chunks(messages, 2):
            res = signer.send(request)
            if isinstance(res, tuple):
                _, res = res
            self.assertEqual(res, response)

        with self.assertRaises(StopIteration):
            signer.send(None)


if __name__ == "__main__":
    unittest.main()