trezor-firmware/core/tests/test_apps.bitcoin.segwit.signtx.native_p2wpkh.py

from common import *  # isort:skip

from trezor import wire
from trezor.crypto import bip39
from trezor.enums import AmountUnit, InputScriptType, OutputScriptType
from trezor.enums.RequestType import TXFINISHED, 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.keychain import _get_schemas_for_coin
from apps.bitcoin.sign_tx import bitcoin, helpers
from apps.common import coins
from apps.common.keychain import Keychain

EMPTY_SERIALIZED = TxRequestSerializedType(serialized_tx=bytearray())


class TestSignSegwitTxNativeP2WPKH(unittest.TestCase):
    # pylint: disable=C0301

    def test_send_native_p2wpkh(self):

        coin = coins.by_name("Testnet")
        seed = bip39.seed(" ".join(["all"] * 12), "")

        inp1 = TxInput(
            # 49'/1'/0'/0/0" - tb1qqzv60m9ajw8drqulta4ld4gfx0rdh82un5s65s
            address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 0, 0],
            amount=12300000,
            prev_hash=unhexlify(
                "09144602765ce3dd8f4329445b20e3684e948709c5cdcaf12da3bb079c99448a"
            ),
            prev_index=0,
            script_type=InputScriptType.SPENDWITNESS,
            sequence=0xFFFFFFFF,
            multisig=None,
        )
        ptx1 = PrevTx(
            version=1, lock_time=0, inputs_count=1, outputs_count=2, extra_data_len=0
        )
        pinp1 = PrevInput(
            script_sig=unhexlify("160014d16b8c0680c61fc6ed2e407455715055e41052f5"),
            prev_hash=unhexlify(
                "20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337"
            ),
            prev_index=0,
            sequence=4294967295,
        )
        pout1 = PrevOutput(
            script_pubkey=unhexlify("00140099a7ecbd938ed1839f5f6bf6d50933c6db9d5c"),
            amount=12300000,
        )
        pout2 = PrevOutput(
            script_pubkey=unhexlify("a91458b53ea7f832e8f096e896b8713a8c6df0e892ca87"),
            amount=111145789,
        )

        out1 = TxOutput(
            address="2N4Q5FhU2497BryFfUgbqkAJE87aKHUhXMp",
            amount=5000000,
            script_type=OutputScriptType.PAYTOADDRESS,
            address_n=[],
            multisig=None,
        )
        out2 = TxOutput(
            address="tb1q694ccp5qcc0udmfwgp692u2s2hjpq5h407urtu",
            script_type=OutputScriptType.PAYTOADDRESS,
            amount=12300000 - 11000 - 5000000,
            address_n=[],
            multisig=None,
        )
        tx = SignTx(
            coin_name="Testnet", version=1, lock_time=0, inputs_count=1, outputs_count=2
        )

        # precomputed tx weight is 142 = ceil(566 / 4)
        fee_rate = 11000 / 142

        messages = [
            None,
            # check fee
            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, AmountUnit.BITCOIN, 0, False),
            True,
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=1, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out2)),
            helpers.UiConfirmOutput(out2, coin, AmountUnit.BITCOIN, 1, False),
            True,
            helpers.UiConfirmTotal(
                12300000, 11000, fee_rate, coin, AmountUnit.BITCOIN, inp1.address_n[:3]
            ),
            True,
            # check prev tx
            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=inp1.prev_hash
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevMeta(tx=ptx1),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=inp1.prev_hash),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=inp1.prev_hash),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevOutput(tx=TxAckPrevOutputWrapper(output=pout1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=1, tx_hash=inp1.prev_hash),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevOutput(tx=TxAckPrevOutputWrapper(output=pout2)),
            # sign tx
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized header
                    serialized_tx=unhexlify("01000000000101"),
                ),
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized inp1
                    serialized_tx=unhexlify(
                        "8a44999c07bba32df1cacdc50987944e68e3205b4429438fdde35c76024614090000000000ffffffff02"
                    ),
                ),
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=1, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized out1
                    serialized_tx=unhexlify(
                        "404b4c000000000017a9147a55d61848e77ca266e79a39bfc85c580a6426c987"
                    ),
                    signature_index=None,
                    signature=None,
                ),
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out2)),
            # segwit
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized out2
                    serialized_tx=unhexlify(
                        "a8386f0000000000160014d16b8c0680c61fc6ed2e407455715055e41052f5"
                    ),
                    signature_index=None,
                    signature=None,
                ),
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXFINISHED,
                details=TxRequestDetailsType(),
                serialized=TxRequestSerializedType(
                    serialized_tx=unhexlify(
                        "02483045022100a7ca8f097525f9044e64376dc0a0f5d4aeb8d15d66808ba97979a0475b06b66502200597c8ebcef63e047f9aeef1a8001d3560470cf896c12f6990eec4faec599b950121033add1f0e8e3c3136f7428dd4a4de1057380bd311f5b0856e2269170b4ffa65bf00000000"
                    ),
                    signature_index=0,
                    signature=unhexlify(
                        "3045022100a7ca8f097525f9044e64376dc0a0f5d4aeb8d15d66808ba97979a0475b06b66502200597c8ebcef63e047f9aeef1a8001d3560470cf896c12f6990eec4faec599b95"
                    ),
                ),
            ),
        ]

        ns = _get_schemas_for_coin(coin)
        keychain = Keychain(seed, coin.curve_name, ns)
        signer = bitcoin.Bitcoin(tx, keychain, coin, 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)

    def test_send_native_p2wpkh_change(self):

        coin = coins.by_name("Testnet")
        seed = bip39.seed(" ".join(["all"] * 12), "")

        inp1 = TxInput(
            # 49'/1'/0'/0/0" - tb1qqzv60m9ajw8drqulta4ld4gfx0rdh82un5s65s
            address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 0, 0],
            amount=12300000,
            prev_hash=unhexlify(
                "09144602765ce3dd8f4329445b20e3684e948709c5cdcaf12da3bb079c99448a"
            ),
            prev_index=0,
            script_type=InputScriptType.SPENDWITNESS,
            sequence=0xFFFFFFFF,
            multisig=None,
        )
        ptx1 = PrevTx(
            version=1, lock_time=0, inputs_count=1, outputs_count=2, extra_data_len=0
        )
        pinp1 = PrevInput(
            script_sig=unhexlify("160014d16b8c0680c61fc6ed2e407455715055e41052f5"),
            prev_hash=unhexlify(
                "20912f98ea3ed849042efed0fdac8cb4fc301961c5988cba56902d8ffb61c337"
            ),
            prev_index=0,
            sequence=4294967295,
        )
        pout1 = PrevOutput(
            script_pubkey=unhexlify("00140099a7ecbd938ed1839f5f6bf6d50933c6db9d5c"),
            amount=12300000,
        )
        pout2 = PrevOutput(
            script_pubkey=unhexlify("a91458b53ea7f832e8f096e896b8713a8c6df0e892ca87"),
            amount=111145789,
        )

        out1 = TxOutput(
            address="2N4Q5FhU2497BryFfUgbqkAJE87aKHUhXMp",
            amount=5000000,
            script_type=OutputScriptType.PAYTOADDRESS,
            address_n=[],
            multisig=None,
        )
        out2 = TxOutput(
            address=None,
            # 49'/1'/0'/1/0" - 2N1LGaGg836mqSQqiuUBLfcyGBhyZbremDX
            address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 1, 0],
            script_type=OutputScriptType.PAYTOWITNESS,
            amount=12300000 - 11000 - 5000000,
            multisig=None,
        )
        tx = SignTx(
            coin_name="Testnet", version=1, lock_time=0, inputs_count=1, outputs_count=2
        )

        # precomputed tx weight is 142 = ceil(566 / 4)
        fee_rate = 11000 / 142

        messages = [
            None,
            # check fee
            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, AmountUnit.BITCOIN, 0, False),
            True,
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=1, tx_hash=None),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=out2)),
            helpers.UiConfirmForeignAddress(address_n=out2.address_n),
            True,
            helpers.UiConfirmTotal(
                5000000 + 11000,
                11000,
                fee_rate,
                coin,
                AmountUnit.BITCOIN,
                inp1.address_n[:3],
            ),
            True,
            # check prev tx
            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=inp1.prev_hash
                ),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevMeta(tx=ptx1),
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=inp1.prev_hash),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevInput(tx=TxAckPrevInputWrapper(input=pinp1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=inp1.prev_hash),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevOutput(tx=TxAckPrevOutputWrapper(output=pout1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=1, tx_hash=inp1.prev_hash),
                serialized=EMPTY_SERIALIZED,
            ),
            TxAckPrevOutput(tx=TxAckPrevOutputWrapper(output=pout2)),
            # sign tx
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized header
                    serialized_tx=unhexlify("01000000000101"),
                ),
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized inp1
                    serialized_tx=unhexlify(
                        "8a44999c07bba32df1cacdc50987944e68e3205b4429438fdde35c76024614090000000000ffffffff02"
                    ),
                ),
            ),
            # the out has to be cloned not to send the same object which was modified
            TxAckOutput(tx=TxAckOutputWrapper(output=TxOutput(**out1.__dict__))),
            TxRequest(
                request_type=TXOUTPUT,
                details=TxRequestDetailsType(request_index=1, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized out1
                    serialized_tx=unhexlify(
                        "404b4c000000000017a9147a55d61848e77ca266e79a39bfc85c580a6426c987"
                    ),
                    signature_index=None,
                    signature=None,
                ),
            ),
            TxAckOutput(tx=TxAckOutputWrapper(output=TxOutput(**out2.__dict__))),
            # segwit
            TxRequest(
                request_type=TXINPUT,
                details=TxRequestDetailsType(request_index=0, tx_hash=None),
                serialized=TxRequestSerializedType(
                    # returned serialized out2
                    serialized_tx=unhexlify(
                        "a8386f0000000000160014d16b8c0680c61fc6ed2e407455715055e41052f5"
                    ),
                    signature_index=None,
                    signature=None,
                ),
            ),
            TxAckInput(tx=TxAckInputWrapper(input=inp1)),
            TxRequest(
                request_type=TXFINISHED,
                details=TxRequestDetailsType(),
                serialized=TxRequestSerializedType(
                    serialized_tx=unhexlify(
                        "02483045022100a7ca8f097525f9044e64376dc0a0f5d4aeb8d15d66808ba97979a0475b06b66502200597c8ebcef63e047f9aeef1a8001d3560470cf896c12f6990eec4faec599b950121033add1f0e8e3c3136f7428dd4a4de1057380bd311f5b0856e2269170b4ffa65bf00000000"
                    ),
                    signature_index=0,
                    signature=unhexlify(
                        "3045022100a7ca8f097525f9044e64376dc0a0f5d4aeb8d15d66808ba97979a0475b06b66502200597c8ebcef63e047f9aeef1a8001d3560470cf896c12f6990eec4faec599b95"
                    ),
                ),
            ),
        ]

        ns = _get_schemas_for_coin(coin)
        keychain = Keychain(seed, coin.curve_name, ns)
        signer = bitcoin.Bitcoin(tx, keychain, coin, None).signer()
        for request, expected_response in chunks(messages, 2):
            response = signer.send(request)
            if isinstance(response, tuple):
                _, response = response
            self.assertEqual(response, expected_response)
        with self.assertRaises(StopIteration):
            signer.send(None)

    def test_send_native_invalid_address(self):

        coin = coins.by_name("Testnet")
        seed = bip39.seed(" ".join(["all"] * 12), "")

        inp1 = TxInput(
            # 49'/1'/0'/0/0" - tb1qqzv60m9ajw8drqulta4ld4gfx0rdh82un5s65s
            address_n=[49 | 0x80000000, 1 | 0x80000000, 0 | 0x80000000, 0, 0],
            amount=12300000,
            prev_hash=unhexlify(
                "09144602765ce3dd8f4329445b20e3684e948709c5cdcaf12da3bb079c99448a"
            ),
            prev_index=0,
            script_type=InputScriptType.SPENDWITNESS,
            sequence=0xFFFFFFFF,
            multisig=None,
        )
        out1 = TxOutput(
            address="TB1Q694CCP5QCC0UDMFWGP692U2S2HJPQ5H407URTU",  # Error: should be lower case
            script_type=OutputScriptType.PAYTOADDRESS,
            amount=12300000 - 11000 - 5000000,
            address_n=[],
            multisig=None,
        )
        tx = SignTx(
            coin_name="Testnet", version=1, lock_time=0, inputs_count=1, outputs_count=1
        )

        messages = [
            None,
            # check fee
            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)),
            None,
        ]

        ns = _get_schemas_for_coin(coin)
        keychain = Keychain(seed, coin.curve_name, ns)
        signer = bitcoin.Bitcoin(tx, keychain, coin, None).signer()
        for request, expected_response in chunks(messages, 2):
            if expected_response is None:
                with self.assertRaises(wire.DataError):
                    signer.send(request)
            else:
                response = signer.send(request)
                if isinstance(response, tuple):
                    _, response = response
                self.assertEqual(response, expected_response)


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