# 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
from trezorlib.debuglink import TrezorClientDebugLink as Client
from trezorlib.exceptions import TrezorFailure
from trezorlib.tools import H_, parse_path

from ...tx_cache import TxCache
from ..signtx import request_finished, request_input, request_meta, request_output

B = messages.ButtonRequestType
TX_API = TxCache("Bcash")

TXHASH_bc37c2 = bytes.fromhex(
    "bc37c28dfb467d2ecb50261387bf752a3977d7e5337915071bb4151e6b711a78"
)
TXHASH_502e85 = bytes.fromhex(
    "502e8577b237b0152843a416f8f1ab0c63321b1be7a8cad7bf5c5c216fcf062c"
)
TXHASH_f68caf = bytes.fromhex(
    "f68caf10df12d5b07a34601d88fa6856c6edcbf4d05ebef3486510ae1c293d5f"
)
TXHASH_8b6db9 = bytes.fromhex(
    "8b6db9b8ba24235d86b053ea2ccb484fc32b96f89c3c39f98d86f90db16076a0"
)

pytestmark = pytest.mark.altcoin


def test_send_bch_change(client: Client):
    inp1 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/0h/0/0"),
        # bitcoincash:qr08q88p9etk89wgv05nwlrkm4l0urz4cyl36hh9sv
        amount=1_995_344,
        prev_hash=TXHASH_bc37c2,
        prev_index=0,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    out1 = messages.TxOutputType(
        address_n=parse_path("m/44h/145h/0h/1/0"),
        amount=1_896_050,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    out2 = messages.TxOutputType(
        address="bitcoincash:qr23ajjfd9wd73l87j642puf8cad20lfmqdgwvpat4",
        amount=73_452,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_output(0),
                request_output(1),
                messages.ButtonRequest(code=B.ConfirmOutput),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_bc37c2),
                request_input(0, TXHASH_bc37c2),
                request_output(0, TXHASH_bc37c2),
                request_input(0),
                request_output(0),
                request_output(1),
                request_finished(),
            ]
        )
        _, serialized_tx = btc.sign_tx(
            client, "Bcash", [inp1], [out1, out2], prev_txes=TX_API
        )

    assert (
        serialized_tx.hex()
        == "0100000001781a716b1e15b41b07157933e5d777392a75bf87132650cb2e7d46fb8dc237bc000000006a473044022061aee4f17abe044d5df8c52c9ffd3b84e5a29743517e488b20ecf1ae0b3e4d3a02206bb84c55e407f3b684ff8d9bea0a3409cfd865795a19d10b3d3c31f12795c34a412103a020b36130021a0f037c1d1a02042e325c0cb666d6478c1afdcd9d913b9ef080ffffffff0272ee1c00000000001976a914b1401fce7e8bf123c88a0467e0ed11e3b9fbef5488acec1e0100000000001976a914d51eca49695cdf47e7f4b55507893e3ad53fe9d888ac00000000"
    )


def test_send_bch_nochange(client: Client):
    inp1 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/0h/1/0"),
        # bitcoincash:qzc5q87w069lzg7g3gzx0c8dz83mn7l02scej5aluw
        amount=1_896_050,
        prev_hash=TXHASH_502e85,
        prev_index=0,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    inp2 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/0h/0/1"),
        # bitcoincash:qr23ajjfd9wd73l87j642puf8cad20lfmqdgwvpat4
        amount=73_452,
        prev_hash=TXHASH_502e85,
        prev_index=1,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    out1 = messages.TxOutputType(
        address="bitcoincash:qq6wnnkrz7ykaqvxrx4hmjvayvzjzml54uyk76arx4",
        amount=1_934_960,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_input(1),
                request_output(0),
                messages.ButtonRequest(code=B.ConfirmOutput),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_502e85),
                request_input(0, TXHASH_502e85),
                request_output(0, TXHASH_502e85),
                request_output(1, TXHASH_502e85),
                request_input(1),
                request_meta(TXHASH_502e85),
                request_input(0, TXHASH_502e85),
                request_output(0, TXHASH_502e85),
                request_output(1, TXHASH_502e85),
                request_input(0),
                request_input(1),
                request_output(0),
                request_finished(),
            ]
        )
        _, serialized_tx = btc.sign_tx(
            client, "Bcash", [inp1, inp2], [out1], prev_txes=TX_API
        )

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


def test_send_bch_oldaddr(client: Client):
    inp1 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/0h/1/0"),
        # bitcoincash:qzc5q87w069lzg7g3gzx0c8dz83mn7l02scej5aluw
        amount=1_896_050,
        prev_hash=TXHASH_502e85,
        prev_index=0,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    inp2 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/0h/0/1"),
        # bitcoincash:qr23ajjfd9wd73l87j642puf8cad20lfmqdgwvpat4
        amount=73_452,
        prev_hash=TXHASH_502e85,
        prev_index=1,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    out1 = messages.TxOutputType(
        address="15pnEDZJo3ycPUamqP3tEDnEju1oW5fBCz",
        amount=1_934_960,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_input(1),
                request_output(0),
                messages.ButtonRequest(code=B.ConfirmOutput),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_502e85),
                request_input(0, TXHASH_502e85),
                request_output(0, TXHASH_502e85),
                request_output(1, TXHASH_502e85),
                request_input(1),
                request_meta(TXHASH_502e85),
                request_input(0, TXHASH_502e85),
                request_output(0, TXHASH_502e85),
                request_output(1, TXHASH_502e85),
                request_input(0),
                request_input(1),
                request_output(0),
                request_finished(),
            ]
        )
        _, serialized_tx = btc.sign_tx(
            client, "Bcash", [inp1, inp2], [out1], prev_txes=TX_API
        )

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


def test_attack_change_input(client: Client):
    inp1 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/10h/0/0"),
        amount=1_995_344,
        prev_hash=TXHASH_bc37c2,
        prev_index=0,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    out1 = messages.TxOutputType(
        address_n=parse_path("m/44h/145h/10h/1/0"),
        amount=1_896_050,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    out2 = messages.TxOutputType(
        address="bitcoincash:qr23ajjfd9wd73l87j642puf8cad20lfmqdgwvpat4",
        amount=73_452,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )

    attack_count = 2

    def attack_processor(msg):
        nonlocal attack_count

        if msg.tx.inputs and msg.tx.inputs[0] == inp1:
            if attack_count > 0:
                attack_count -= 1
            else:
                msg.tx.inputs[0].address_n[2] = H_(1)

        return msg

    with client:
        client.set_filter(messages.TxAck, attack_processor)
        client.set_expected_responses(
            [
                request_input(0),
                request_output(0),
                request_output(1),
                messages.ButtonRequest(code=B.ConfirmOutput),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_bc37c2),
                request_input(0, TXHASH_bc37c2),
                request_output(0, TXHASH_bc37c2),
                request_input(0),
                messages.Failure(code=messages.FailureType.ProcessError),
            ]
        )
        with pytest.raises(TrezorFailure):
            btc.sign_tx(client, "Bcash", [inp1], [out1, out2], prev_txes=TX_API)


@pytest.mark.multisig
def test_send_bch_multisig_wrongchange(client: Client):
    nodes = [
        btc.get_public_node(
            client, parse_path(f"m/48h/145h/{i}h/0h"), coin_name="Bcash"
        ).node
        for i in range(1, 4)
    ]

    def getmultisig(chain, nr, signatures):
        return messages.MultisigRedeemScriptType(
            nodes=nodes, address_n=[chain, nr], signatures=signatures, m=2
        )

    correcthorse = messages.HDNodeType(
        depth=1,
        fingerprint=0,
        child_num=0,
        chain_code=bytes.fromhex(
            "0000000000000000000000000000000000000000000000000000000000000000"
        ),
        public_key=bytes.fromhex(
            "0378d430274f8c5ec1321338151e9f27f4c676a008bdf8638d07c0b6be9ab35c71"
        ),
    )
    sig = bytes.fromhex(
        "304402207274b5a4d15e75f3df7319a375557b0efba9b27bc63f9f183a17da95a6125c94022000efac57629f1522e2d3958430e2ef073b0706cfac06cce492651b79858f09ae"
    )
    inp1 = messages.TxInputType(
        address_n=parse_path("m/48h/145h/1h/0h/1/0"),
        multisig=getmultisig(1, 0, [b"", sig, b""]),
        # bitcoincash:pp6kcpkhua7789g2vyj0qfkcux3yvje7euhyhltn0a
        amount=24_000,
        prev_hash=TXHASH_f68caf,
        prev_index=1,
        script_type=messages.InputScriptType.SPENDMULTISIG,
    )
    out1 = messages.TxOutputType(
        address_n=parse_path("m/48h/145h/1h/0h/1/1"),
        multisig=messages.MultisigRedeemScriptType(
            pubkeys=[
                messages.HDNodePathType(node=nodes[0], address_n=[1, 1]),
                messages.HDNodePathType(node=correcthorse, address_n=[]),
                messages.HDNodePathType(node=correcthorse, address_n=[]),
            ],
            signatures=[b"", b"", b""],
            m=2,
        ),
        script_type=messages.OutputScriptType.PAYTOMULTISIG,
        amount=23_000,
    )
    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_output(0),
                messages.ButtonRequest(code=B.ConfirmOutput),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_f68caf),
                request_input(0, TXHASH_f68caf),
                request_output(0, TXHASH_f68caf),
                request_output(1, TXHASH_f68caf),
                request_input(0),
                request_output(0),
                request_finished(),
            ]
        )
        (signatures1, serialized_tx) = btc.sign_tx(
            client, "Bcash", [inp1], [out1], prev_txes=TX_API
        )
    assert (
        signatures1[0].hex()
        == "304402205ce02f7bf3ef225e4a17e2b5a98dc6ca5536a6b68088f94200390a1d505c4f3e022045657781095e01422736c5541b03b014101d76e54089eda030cb016dfce10e98"
    )
    assert (
        serialized_tx.hex()
        == "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"
    )


@pytest.mark.multisig
def test_send_bch_multisig_change(client: Client):
    nodes = [
        btc.get_public_node(
            client, parse_path(f"m/48h/145h/{i}h/0h"), coin_name="Bcash"
        ).node
        for i in range(1, 4)
    ]

    EMPTY_SIGNATURES = [b"", b"", b""]

    def getmultisig(chain, nr, signatures):
        return messages.MultisigRedeemScriptType(
            nodes=nodes, address_n=[chain, nr], signatures=signatures, m=2
        )

    inp1 = messages.TxInputType(
        address_n=parse_path("m/48h/145h/3h/0h/0/0"),
        multisig=getmultisig(0, 0, EMPTY_SIGNATURES),
        amount=48_490,
        prev_hash=TXHASH_8b6db9,
        prev_index=0,
        script_type=messages.InputScriptType.SPENDMULTISIG,
    )
    out1 = messages.TxOutputType(
        address="bitcoincash:qqq8gx2j76nw4dfefumxmdwvtf2tpsjznusgsmzex9",
        amount=24_000,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    out2 = messages.TxOutputType(
        address_n=parse_path("m/48h/145h/3h/0h/1/0"),
        multisig=getmultisig(1, 0, EMPTY_SIGNATURES),
        script_type=messages.OutputScriptType.PAYTOMULTISIG,
        amount=24_000,
    )
    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_output(0),
                messages.ButtonRequest(code=B.ConfirmOutput),
                request_output(1),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_8b6db9),
                request_input(0, TXHASH_8b6db9),
                request_output(0, TXHASH_8b6db9),
                request_input(0),
                request_output(0),
                request_output(1),
                request_finished(),
            ]
        )
        (signatures1, serialized_tx) = btc.sign_tx(
            client, "Bcash", [inp1], [out1, out2], prev_txes=TX_API
        )

    assert (
        signatures1[0].hex()
        == "304402202b75dbb307d2556b9a85851d27ab118b3f06344bccb6e21b0a5dfcf74e0e644f02206611c59396d44741d34fd7bb602be06ef91690b22b47c3f3c271e15e20176ac0"
    )

    inp1 = messages.TxInputType(
        address_n=parse_path("m/48h/145h/1h/0h/0/0"),
        multisig=getmultisig(0, 0, [b"", b"", signatures1[0]]),
        # bitcoincash:pqguz4nqq64jhr5v3kvpq4dsjrkda75hwy86gq0qzw
        amount=48_490,
        prev_hash=TXHASH_8b6db9,
        prev_index=0,
        script_type=messages.InputScriptType.SPENDMULTISIG,
    )
    out2.address_n[2] = H_(1)

    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_output(0),
                messages.ButtonRequest(code=B.ConfirmOutput),
                request_output(1),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_8b6db9),
                request_input(0, TXHASH_8b6db9),
                request_output(0, TXHASH_8b6db9),
                request_input(0),
                request_output(0),
                request_output(1),
                request_finished(),
            ]
        )
        (signatures1, serialized_tx) = btc.sign_tx(
            client, "Bcash", [inp1], [out1, out2], prev_txes=TX_API
        )

    assert (
        signatures1[0].hex()
        == "3045022100cc12faf18a489d8014e978ef7ca0760aa6487cdb40b49dd991bfe9c66625f5a802206088fef49ecad30679d55eaa870741bbb8b83fac08eb078872ac276c8139015d"
    )
    assert (
        serialized_tx.hex()
        == "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"
    )


@pytest.mark.skip_t1
def test_send_bch_external_presigned(client: Client):
    inp1 = messages.TxInputType(
        # address_n=parse_path("44'/145'/0'/1/0"),
        # bitcoincash:qzc5q87w069lzg7g3gzx0c8dz83mn7l02scej5aluw
        amount=1_896_050,
        prev_hash=TXHASH_502e85,
        prev_index=0,
        script_type=messages.InputScriptType.EXTERNAL,
        script_pubkey=bytes.fromhex(
            "76a914b1401fce7e8bf123c88a0467e0ed11e3b9fbef5488ac"
        ),
        script_sig=bytes.fromhex(
            "47304402207a2a955f1cb3dc5f03f2c82934f55654882af4e852e5159639f6349e9386ec4002205fb8419dce4e648eae8f67bc4e369adfb130a87d2ea2d668f8144213b12bb457412103174c61e9c5362507e8061e28d2c0ce3d4df4e73f3535ae0b12f37809e0f92d2d"
        ),
    )
    inp2 = messages.TxInputType(
        address_n=parse_path("m/44h/145h/0h/0/1"),
        # bitcoincash:qr23ajjfd9wd73l87j642puf8cad20lfmqdgwvpat4
        amount=73_452,
        prev_hash=TXHASH_502e85,
        prev_index=1,
        script_type=messages.InputScriptType.SPENDADDRESS,
    )
    out1 = messages.TxOutputType(
        address="bitcoincash:qq6wnnkrz7ykaqvxrx4hmjvayvzjzml54uyk76arx4",
        amount=1_934_960,
        script_type=messages.OutputScriptType.PAYTOADDRESS,
    )
    with client:
        client.set_expected_responses(
            [
                request_input(0),
                request_input(1),
                request_output(0),
                messages.ButtonRequest(code=B.ConfirmOutput),
                messages.ButtonRequest(code=B.SignTx),
                request_input(0),
                request_meta(TXHASH_502e85),
                request_input(0, TXHASH_502e85),
                request_output(0, TXHASH_502e85),
                request_output(1, TXHASH_502e85),
                request_input(1),
                request_meta(TXHASH_502e85),
                request_input(0, TXHASH_502e85),
                request_output(0, TXHASH_502e85),
                request_output(1, TXHASH_502e85),
                request_input(0),
                request_input(1),
                request_output(0),
                request_finished(),
            ]
        )
        _, serialized_tx = btc.sign_tx(
            client, "Bcash", [inp1, inp2], [out1], prev_txes=TX_API
        )

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