# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 SatoshiLabs and contributors
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the License along with this library.
# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.

import pytest

from trezorlib import btc, messages as proto
from trezorlib.tools import CallException, parse_path

from ..tx_cache import tx_cache

TX_API = tx_cache("Bitcoin")

TXHASH_d5f65e = bytes.fromhex(
    "d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882"
)


class TestOpReturn:
    def test_opreturn(self, client):
        inp1 = proto.TxInputType(
            address_n=parse_path("44'/0'/0'/0/2"), prev_hash=TXHASH_d5f65e, prev_index=0
        )

        out1 = proto.TxOutputType(
            address="1MJ2tj2ThBE62zXbBYA5ZaN3fdve5CPAz1",
            amount=390000 - 10000,
            script_type=proto.OutputScriptType.PAYTOADDRESS,
        )

        out2 = proto.TxOutputType(
            op_return_data=b"test of the op_return data",
            amount=0,
            script_type=proto.OutputScriptType.PAYTOOPRETURN,
        )

        with client:
            client.set_expected_responses(
                [
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXMETA,
                        details=proto.TxRequestDetailsType(tx_hash=TXHASH_d5f65e),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(
                            request_index=0, tx_hash=TXHASH_d5f65e
                        ),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(
                            request_index=1, tx_hash=TXHASH_d5f65e
                        ),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(
                            request_index=0, tx_hash=TXHASH_d5f65e
                        ),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.ButtonRequest(code=proto.ButtonRequestType.ConfirmOutput),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=1),
                    ),
                    proto.ButtonRequest(code=proto.ButtonRequestType.ConfirmOutput),
                    proto.ButtonRequest(code=proto.ButtonRequestType.SignTx),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=1),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=1),
                    ),
                    proto.TxRequest(request_type=proto.RequestType.TXFINISHED),
                ]
            )
            _, serialized_tx = btc.sign_tx(
                client, "Bitcoin", [inp1], [out1, out2], prev_txes=TX_API
            )

        assert (
            serialized_tx.hex()
            == "010000000182488650ef25a58fef6788bd71b8212038d7f2bbe4750bc7bcb44701e85ef6d5000000006b483045022100bc36e1227b334e856c532bbef86d30a96823a5f2461738f4dbf969dfbcf1b40b022078c5353ec9a4bce2bb05bd1ec466f2ab379c1aad926e208738407bba4e09784b012103330236b68aa6fdcaca0ea72e11b360c84ed19a338509aa527b678a7ec9076882ffffffff0260cc0500000000001976a914de9b2a8da088824e8fe51debea566617d851537888ac00000000000000001c6a1a74657374206f6620746865206f705f72657475726e206461746100000000"
        )

    def test_nonzero_opreturn(self, client):
        inp1 = proto.TxInputType(
            address_n=parse_path("44'/0'/10'/0/5"),
            prev_hash=TXHASH_d5f65e,
            prev_index=0,
        )

        out1 = proto.TxOutputType(
            op_return_data=b"test of the op_return data",
            amount=10000,
            script_type=proto.OutputScriptType.PAYTOOPRETURN,
        )

        with client:
            client.set_expected_responses(
                [
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXMETA,
                        details=proto.TxRequestDetailsType(tx_hash=TXHASH_d5f65e),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(
                            request_index=0, tx_hash=TXHASH_d5f65e
                        ),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXINPUT,
                        details=proto.TxRequestDetailsType(
                            request_index=1, tx_hash=TXHASH_d5f65e
                        ),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(
                            request_index=0, tx_hash=TXHASH_d5f65e
                        ),
                    ),
                    proto.TxRequest(
                        request_type=proto.RequestType.TXOUTPUT,
                        details=proto.TxRequestDetailsType(request_index=0),
                    ),
                    proto.Failure(),
                ]
            )

            with pytest.raises(CallException) as exc:
                btc.sign_tx(client, "Bitcoin", [inp1], [out1], prev_txes=TX_API)

            if client.features.model == "1":
                assert exc.value.args[0] == proto.FailureType.ProcessError
                assert exc.value.args[1].endswith("Failed to compile output")
            else:
                assert exc.value.args[0] == proto.FailureType.DataError
                assert exc.value.args[1].endswith(
                    "OP_RETURN output with non-zero amount"
                )
