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

from common import *  # isort:skip

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

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

EMPTY_SERIALIZED = TxRequestSerializedType(serialized_tx=bytearray())


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

    # the following test is disabled, because there are not enough
    # inputs to trigger the excessive threshold warning
    #
    # this is being tested in the device test:
    # test_msg_signtx.test_testnet_fee_too_high

    """
    def test_over_fee_threshold(self):
        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('483045022072ba61305fe7cb542d142b8f3299a7b10f9ea61f6ffaab5dca8142601869d53c0221009a8027ed79eb3b9bc13577ac2853269323434558528c6b6a7e542be46e7e9a820141047a2d177c0f3626fc68c53610b0270fa6156181f46586c679ba6a88b34c6f4874686390b4d92e5769fbb89c8050b984f4ec0b257a0e5c4ff8bd3b035a51709503'),
                            prev_hash=unhexlify('c16a03f1cf8f99f6b5297ab614586cacec784c2d259af245909dedb0e39eddcf'),
                            prev_index=1)
        pinp2 = PrevInput(script_sig=unhexlify('48304502200fd63adc8f6cb34359dc6cca9e5458d7ea50376cbd0a74514880735e6d1b8a4c0221008b6ead7fe5fbdab7319d6dfede3a0bc8e2a7c5b5a9301636d1de4aa31a3ee9b101410486ad608470d796236b003635718dfc07c0cac0cfc3bfc3079e4f491b0426f0676e6643a39198e8e7bdaffb94f4b49ea21baa107ec2e237368872836073668214'),
                            prev_hash=unhexlify('1ae39a2f8d59670c8fc61179148a8e61e039d0d9e8ab08610cb69b4a19453eaf'),
                            prev_index=1)
        pout1 = PrevOutput(script_pubkey=unhexlify('76a91424a56db43cf6f2b02e838ea493f95d8d6047423188ac'),
                                amount=390000)

        inp1 = TxInput(address_n=[0],  # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
                           # amount=390000,
                           prev_hash=unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882'),
                           prev_index=0,
                           amount=None)
        out1 = TxOutput(address='1MJ2tj2ThBE62zXbBYA5ZaN3fdve5CPAz1',
                            amount=390000 - 100000,  # fee increased to 100000 => too high
                            multisig=None,
                            script_type=OutputScriptType.PAYTOADDRESS,
                            address_n=[])
        tx = SignTx(coin_name=None, version=1, lock_time=0, inputs_count=1, outputs_count=1)

        messages = [
            None,

            TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None)),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            helpers.UiConfirmForeignAddress(address_n=inp1.address_n),
            True,
            TxRequest(request_type=TXMETA, details=TxRequestDetailsType(request_index=None, tx_hash=unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882')), serialized=None),
            TxAckPrevMeta(tx=ptx1),
            TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882')), serialized=None),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp1)),
            TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=1, tx_hash=unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882')), serialized=None),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp2)),
            TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882')), serialized=None),
            TxAckPrevOutput(tx=TxAckPrevOutputWrapper(output=pout1)),
            TxRequest(request_type=TXOUTPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None), serialized=None),
            TxAckOutput(tx=TxAckOutputWrapper(output=out1)),
            helpers.UiConfirmOutput(out1, coin_bitcoin, AmountUnit.BITCOIN, 0, False),
            True,
            helpers.UiConfirmFeeOverThreshold(100000, coin_bitcoin),
            True,
            helpers.UiConfirmTotal(290000 + 100000, 100000, coin_bitcoin, AmountUnit.BITCOIN),
            True,
            TxRequest(request_type=TXINPUT, details=TxRequestDetailsType(request_index=0, tx_hash=None), serialized=None),
        ]

        seed = bip39.seed('alcohol woman abuse must during monitor noble actual mixed trade anger aisle', '')
        root = bip32.from_seed(seed, 'secp256k1')

        keychain = Keychain([[coin_bitcoin.curve_name]], [root])
        signer = signing.sign_tx(tx, keychain)
        for request, expected_response in chunks(messages, 2):
            response = signer.send(request)
            if isinstance(response, tuple):
                _, response = response
            self.assertEqual(response, expected_response)
    """

    def test_under_threshold(self):
        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(
                "483045022072ba61305fe7cb542d142b8f3299a7b10f9ea61f6ffaab5dca8142601869d53c0221009a8027ed79eb3b9bc13577ac2853269323434558528c6b6a7e542be46e7e9a820141047a2d177c0f3626fc68c53610b0270fa6156181f46586c679ba6a88b34c6f4874686390b4d92e5769fbb89c8050b984f4ec0b257a0e5c4ff8bd3b035a51709503"
            ),
            prev_hash=unhexlify(
                "c16a03f1cf8f99f6b5297ab614586cacec784c2d259af245909dedb0e39eddcf"
            ),
            prev_index=1,
            sequence=0xFFFF_FFFF,
        )
        pinp2 = PrevInput(
            script_sig=unhexlify(
                "48304502200fd63adc8f6cb34359dc6cca9e5458d7ea50376cbd0a74514880735e6d1b8a4c0221008b6ead7fe5fbdab7319d6dfede3a0bc8e2a7c5b5a9301636d1de4aa31a3ee9b101410486ad608470d796236b003635718dfc07c0cac0cfc3bfc3079e4f491b0426f0676e6643a39198e8e7bdaffb94f4b49ea21baa107ec2e237368872836073668214"
            ),
            prev_hash=unhexlify(
                "1ae39a2f8d59670c8fc61179148a8e61e039d0d9e8ab08610cb69b4a19453eaf"
            ),
            prev_index=1,
            sequence=0xFFFF_FFFF,
        )
        pout1 = PrevOutput(
            script_pubkey=unhexlify(
                "76a91424a56db43cf6f2b02e838ea493f95d8d6047423188ac"
            ),
            amount=390000,
        )

        inp1 = TxInput(
            address_n=[0],  # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e
            amount=390000,
            prev_hash=unhexlify(
                "d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
            ),
            prev_index=0,
            multisig=None,
            sequence=0xFFFF_FFFF,
        )
        out1 = TxOutput(
            address="1MJ2tj2ThBE62zXbBYA5ZaN3fdve5CPAz1",
            amount=390000
            - 90000,  # fee increased to 90000, slightly less than the threshold
            script_type=OutputScriptType.PAYTOADDRESS,
            multisig=None,
            address_n=[],
        )
        tx = SignTx(
            coin_name=None, version=1, lock_time=0, inputs_count=1, outputs_count=1
        )

        # precomputed tx weight is 768
        fee_rate = 90000 / (768 / 4)

        messages = [
            None,
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            helpers.UiConfirmForeignAddress(address_n=inp1.address_n),
            True,
            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, 0, False, None),
            True,
            helpers.UiConfirmMultipleAccounts(),
            True,
            helpers.UiConfirmTotal(
                300000 + 90000, 90000, fee_rate, coin_bitcoin, AmountUnit.BITCOIN, None
            ),
            True,
            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(
                        "d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevMeta(tx=ptx1),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(
                    request_index=0,
                    tx_hash=unhexlify(
                        "d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp1)),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(
                    request_index=1,
                    tx_hash=unhexlify(
                        "d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
                    ),
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp2)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(
                    request_index=0,
                    tx_hash=unhexlify(
                        "d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
                    ),
                ),
                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")
                ),
            ),
        ]

        seed = bip39.seed(
            "alcohol woman abuse must during monitor noble actual mixed trade anger aisle",
            "",
        )

        keychain = Keychain(seed, coin_bitcoin.curve_name, [AlwaysMatchingSchema])
        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)


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