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path: root/src/test/fuzz/rbf.cpp
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// 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 <policy/rbf.h>
#include <primitives/transaction.h>
#include <sync.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <txmempool.h>

#include <cstdint>
#include <optional>
#include <string>
#include <vector>

void test_one_input(const std::vector<uint8_t>& buffer)
{
    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
    std::optional<CMutableTransaction> mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
    if (!mtx) {
        return;
    }
    CTxMemPool pool;
    while (fuzzed_data_provider.ConsumeBool()) {
        const std::optional<CMutableTransaction> another_mtx = ConsumeDeserializable<CMutableTransaction>(fuzzed_data_provider);
        if (!another_mtx) {
            break;
        }
        const CTransaction another_tx{*another_mtx};
        if (fuzzed_data_provider.ConsumeBool() && !mtx->vin.empty()) {
            mtx->vin[0].prevout = COutPoint{another_tx.GetHash(), 0};
        }
        LOCK2(cs_main, pool.cs);
        pool.addUnchecked(ConsumeTxMemPoolEntry(fuzzed_data_provider, another_tx));
    }
    const CTransaction tx{*mtx};
    if (fuzzed_data_provider.ConsumeBool()) {
        LOCK2(cs_main, pool.cs);
        pool.addUnchecked(ConsumeTxMemPoolEntry(fuzzed_data_provider, tx));
    }
    {
        LOCK(pool.cs);
        (void)IsRBFOptIn(tx, pool);
    }
}