Function AssembleBlock

src/bench/block_assemble.cpp:25–58

using node::BlockCreateOptions;

static void AssembleBlock(benchmark::Bench& bench)
{
    const auto test_setup = MakeNoLogFileContext<const TestingSetup>();

    CScriptWitness witness;
    witness.stack.push_back(WITNESS_STACK_ELEM_OP_TRUE);
    BlockCreateOptions options{
        .coinbase_output_script = P2WSH_OP_TRUE,
    };

    // Collect some loose transactions that spend the coinbases of our mined blocks
    constexpr size_t NUM_BLOCKS{200};
    std::array<CTransactionRef, NUM_BLOCKS - COINBASE_MATURITY + 1> txs;
    for (size_t b{0}; b < NUM_BLOCKS; ++b) {
        CMutableTransaction tx;
        tx.vin.emplace_back(MineBlock(test_setup->m_node, options));
        tx.vin.back().scriptWitness = witness;
        tx.vout.emplace_back(1337, P2WSH_OP_TRUE);
        if (NUM_BLOCKS - b >= COINBASE_MATURITY)
            txs.at(b) = MakeTransactionRef(tx);
    }
    {
        LOCK(::cs_main);

        for (const auto& txr : txs) {
            const MempoolAcceptResult res = test_setup->m_node.chainman->ProcessTransaction(txr);
            assert(res.m_result_type == MempoolAcceptResult::ResultType::VALID);
        }
    }

    bench.run([&] {
        PrepareBlock(test_setup->m_node, options);
    });
}
static void BlockAssemblerAddPackageTxns(benchmark::Bench& bench)
{
    FastRandomContext det_rand{true};