116 lines
4.1 KiB
C++
116 lines
4.1 KiB
C++
// Copyright (c) 2011-2016 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.h"
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#include "policy/policy.h"
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#include "txmempool.h"
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#include <list>
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#include <vector>
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static void AddTx(const CTransaction& tx, const CAmount& nFee, CTxMemPool& pool)
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{
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int64_t nTime = 0;
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double dPriority = 10.0;
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unsigned int nHeight = 1;
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bool spendsCoinbase = false;
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unsigned int sigOpCost = 4;
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LockPoints lp;
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pool.addUnchecked(tx.GetHash(), CTxMemPoolEntry(
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tx, nFee, nTime, dPriority, nHeight, pool.HasNoInputsOf(tx),
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tx.GetValueOut(), spendsCoinbase, sigOpCost, lp));
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}
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// Right now this is only testing eviction performance in an extremely small
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// mempool. Code needs to be written to generate a much wider variety of
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// unique transactions for a more meaningful performance measurement.
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static void MempoolEviction(benchmark::State& state)
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{
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CMutableTransaction tx1 = CMutableTransaction();
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tx1.vin.resize(1);
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tx1.vin[0].scriptSig = CScript() << OP_1;
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tx1.vout.resize(1);
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tx1.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
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tx1.vout[0].nValue = 10 * COIN;
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CMutableTransaction tx2 = CMutableTransaction();
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tx2.vin.resize(1);
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tx2.vin[0].scriptSig = CScript() << OP_2;
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tx2.vout.resize(1);
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tx2.vout[0].scriptPubKey = CScript() << OP_2 << OP_EQUAL;
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tx2.vout[0].nValue = 10 * COIN;
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CMutableTransaction tx3 = CMutableTransaction();
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tx3.vin.resize(1);
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tx3.vin[0].prevout = COutPoint(tx2.GetHash(), 0);
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tx3.vin[0].scriptSig = CScript() << OP_2;
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tx3.vout.resize(1);
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tx3.vout[0].scriptPubKey = CScript() << OP_3 << OP_EQUAL;
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tx3.vout[0].nValue = 10 * COIN;
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CMutableTransaction tx4 = CMutableTransaction();
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tx4.vin.resize(2);
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tx4.vin[0].prevout.SetNull();
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tx4.vin[0].scriptSig = CScript() << OP_4;
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tx4.vin[1].prevout.SetNull();
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tx4.vin[1].scriptSig = CScript() << OP_4;
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tx4.vout.resize(2);
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tx4.vout[0].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
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tx4.vout[0].nValue = 10 * COIN;
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tx4.vout[1].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
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tx4.vout[1].nValue = 10 * COIN;
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CMutableTransaction tx5 = CMutableTransaction();
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tx5.vin.resize(2);
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tx5.vin[0].prevout = COutPoint(tx4.GetHash(), 0);
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tx5.vin[0].scriptSig = CScript() << OP_4;
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tx5.vin[1].prevout.SetNull();
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tx5.vin[1].scriptSig = CScript() << OP_5;
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tx5.vout.resize(2);
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tx5.vout[0].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
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tx5.vout[0].nValue = 10 * COIN;
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tx5.vout[1].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
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tx5.vout[1].nValue = 10 * COIN;
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CMutableTransaction tx6 = CMutableTransaction();
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tx6.vin.resize(2);
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tx6.vin[0].prevout = COutPoint(tx4.GetHash(), 1);
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tx6.vin[0].scriptSig = CScript() << OP_4;
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tx6.vin[1].prevout.SetNull();
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tx6.vin[1].scriptSig = CScript() << OP_6;
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tx6.vout.resize(2);
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tx6.vout[0].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
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tx6.vout[0].nValue = 10 * COIN;
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tx6.vout[1].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
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tx6.vout[1].nValue = 10 * COIN;
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CMutableTransaction tx7 = CMutableTransaction();
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tx7.vin.resize(2);
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tx7.vin[0].prevout = COutPoint(tx5.GetHash(), 0);
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tx7.vin[0].scriptSig = CScript() << OP_5;
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tx7.vin[1].prevout = COutPoint(tx6.GetHash(), 0);
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tx7.vin[1].scriptSig = CScript() << OP_6;
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tx7.vout.resize(2);
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tx7.vout[0].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
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tx7.vout[0].nValue = 10 * COIN;
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tx7.vout[1].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
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tx7.vout[1].nValue = 10 * COIN;
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CTxMemPool pool(CFeeRate(1000));
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while (state.KeepRunning()) {
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AddTx(tx1, 10000LL, pool);
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AddTx(tx2, 5000LL, pool);
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AddTx(tx3, 20000LL, pool);
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AddTx(tx4, 7000LL, pool);
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AddTx(tx5, 1000LL, pool);
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AddTx(tx6, 1100LL, pool);
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AddTx(tx7, 9000LL, pool);
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pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4);
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pool.TrimToSize(GetVirtualTransactionSize(tx1));
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}
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}
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BENCHMARK(MempoolEviction);
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