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

from common import *

from trezor.utils import chunks
from trezor.crypto import bip32, bip39
from trezor.messages.SignTx import SignTx
from trezor.messages.TxAckInput import TxAckInput
from trezor.messages.TxAckInputWrapper import TxAckInputWrapper
from trezor.messages.TxInput import TxInput
from trezor.messages.TxAckOutput import TxAckOutput
from trezor.messages.TxAckOutputWrapper import TxAckOutputWrapper
from trezor.messages.TxOutput import TxOutput
from trezor.messages.TxAckPrevMeta import TxAckPrevMeta
from trezor.messages.PrevTx import PrevTx
from trezor.messages.TxAckPrevInput import TxAckPrevInput
from trezor.messages.TxAckPrevInputWrapper import TxAckPrevInputWrapper
from trezor.messages.PrevInput import PrevInput
from trezor.messages.TxAckPrevOutput import TxAckPrevOutput
from trezor.messages.TxAckPrevOutputWrapper import TxAckPrevOutputWrapper
from trezor.messages.PrevOutput import PrevOutput
from trezor.messages.TxRequest import TxRequest
from trezor.messages.RequestType import TXINPUT, TXOUTPUT, TXMETA
from trezor.messages.TxRequestDetailsType import TxRequestDetailsType
from trezor.messages.TxRequestSerializedType import TxRequestSerializedType
from trezor.messages import AmountUnit
from trezor.messages import OutputScriptType

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


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),
            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)

        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),
            True,
            helpers.UiConfirmTotal(300000 + 90000, 90000, coin_bitcoin, AmountUnit.BITCOIN),
            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])
        approver = BasicApprover(tx, coin_bitcoin)
        signer = bitcoin.Bitcoin(tx, keychain, coin_bitcoin, approver).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()