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merge bitcoin#13219: Add block assemble benchmark
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commit
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@ -16,6 +16,7 @@ bench_bench_dash_SOURCES = \
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bench/bench_dash.cpp \
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bench/bench.cpp \
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bench/bench.h \
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bench/block_assemble.cpp \
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bench/bls.cpp \
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bench/bls_dkg.cpp \
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bench/checkblock.cpp \
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114
src/bench/block_assemble.cpp
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114
src/bench/block_assemble.cpp
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@ -0,0 +1,114 @@
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// Copyright (c) 2011-2017 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <bench/bench.h>
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#include <chainparams.h>
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#include <coins.h>
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#include <consensus/merkle.h>
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#include <consensus/consensus.h>
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#include <consensus/validation.h>
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#include <crypto/sha256.h>
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#include <miner.h>
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#include <policy/policy.h>
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#include <scheduler.h>
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#include <script/standard.h>
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#include <txdb.h>
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#include <txmempool.h>
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#include <util/time.h>
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#include <validation.h>
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#include <validationinterface.h>
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#include <boost/thread.hpp>
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#include <list>
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#include <vector>
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static std::shared_ptr<CBlock> PrepareBlock(const CScript& coinbase_scriptPubKey)
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{
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auto block = std::make_shared<CBlock>(
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BlockAssembler{Params()}
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.CreateNewBlock(coinbase_scriptPubKey, /* fMineWitnessTx */ true)
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->block);
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block->nTime = ::chainActive.Tip()->GetMedianTimePast() + 1;
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block->hashMerkleRoot = BlockMerkleRoot(*block);
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return block;
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}
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static CTxIn MineBlock(const CScript& coinbase_scriptPubKey)
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{
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auto block = PrepareBlock(coinbase_scriptPubKey);
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while (!CheckProofOfWork(block->GetHash(), block->nBits, Params().GetConsensus())) {
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assert(++block->nNonce);
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}
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bool processed{ProcessNewBlock(Params(), block, true, nullptr)};
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assert(processed);
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return CTxIn{block->vtx[0]->GetHash(), 0};
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}
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static void AssembleBlock(benchmark::Bench& bench)
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{
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const CScript redeemScript = CScript() << OP_DROP << OP_TRUE;
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const CScript SCRIPT_PUB =
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CScript() << OP_HASH160 << ToByteVector(CScriptID(redeemScript))
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<< OP_EQUAL;
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const CScript scriptSig = CScript() << std::vector<uint8_t>(100, 0xff)
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<< ToByteVector(redeemScript);
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// Switch to regtest so we can mine faster
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SelectParams(CBaseChainParams::REGTEST);
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InitScriptExecutionCache();
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boost::thread_group thread_group;
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CScheduler scheduler;
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{
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::pblocktree.reset(new CBlockTreeDB(1 << 20, true));
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::pcoinsdbview.reset(new CCoinsViewDB(1 << 23, true));
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::pcoinsTip.reset(new CCoinsViewCache(pcoinsdbview.get()));
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const CChainParams& chainparams = Params();
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thread_group.create_thread(std::bind(&CScheduler::serviceQueue, &scheduler));
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GetMainSignals().RegisterBackgroundSignalScheduler(scheduler);
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LoadGenesisBlock(chainparams);
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CValidationState state;
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ActivateBestChain(state, chainparams);
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assert(::chainActive.Tip() != nullptr);
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}
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// Collect some loose transactions that spend the coinbases of our mined blocks
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constexpr size_t NUM_BLOCKS{200};
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std::array<CTransactionRef, NUM_BLOCKS - COINBASE_MATURITY + 1> txs;
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for (size_t b{0}; b < NUM_BLOCKS; ++b) {
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CMutableTransaction tx;
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tx.vin.push_back(MineBlock(SCRIPT_PUB));
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tx.vin.back().scriptSig = scriptSig;
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tx.vout.emplace_back(1337, SCRIPT_PUB);
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if (NUM_BLOCKS - b >= COINBASE_MATURITY)
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txs.at(b) = MakeTransactionRef(tx);
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}
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for (const auto& txr : txs) {
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CValidationState state;
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bool ret{::AcceptToMemoryPool(::mempool, state, txr, nullptr /* pfMissingInputs */, false /* bypass_limits */, /* nAbsurdFee */ 0)};
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assert(ret);
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}
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bench.minEpochIterations(700).run([&] {
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PrepareBlock(SCRIPT_PUB);
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});
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thread_group.interrupt_all();
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thread_group.join_all();
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GetMainSignals().FlushBackgroundCallbacks();
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GetMainSignals().UnregisterBackgroundSignalScheduler();
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}
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BENCHMARK(AssembleBlock);
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