// Copyright (c) 2020 The Bitcoin Core developers

// Distributed under the MIT software license, see the accompanying

// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <primitives/transaction.h>

#include <test/fuzz/FuzzedDataProvider.h>

#include <test/fuzz/fuzz.h>

#include <test/fuzz/util.h>

#include <cstdint>

#include <optional>

#include <string>

#include <vector>

FUZZ_TARGET(primitives_transaction)

{

    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());

    const CScript script = ConsumeScript(fuzzed_data_provider);

    const std::optional<COutPoint> out_point = ConsumeDeserializable<COutPoint>(fuzzed_data_provider);

    if (out_point) {

        const CTxIn tx_in{*out_point, script, fuzzed_data_provider.ConsumeIntegral<uint32_t>()};

        (void)tx_in;

    }

    const CTxOut tx_out_1{ConsumeMoney(fuzzed_data_provider), script};

    const CTxOut tx_out_2{ConsumeMoney(fuzzed_data_provider), ConsumeScript(fuzzed_data_provider)};

    assert((tx_out_1 == tx_out_2) != (tx_out_1 != tx_out_2));

    const std::optional<CMutableTransaction> mutable_tx_1 = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider, TX_WITH_WITNESS);

    const std::optional<CMutableTransaction> mutable_tx_2 = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider, TX_WITH_WITNESS);

    if (mutable_tx_1 && mutable_tx_2) {

        const CTransaction tx_1{*mutable_tx_1};

        const CTransaction tx_2{*mutable_tx_2};

        assert((tx_1 == tx_2) != (tx_1 != tx_2));

    }

}