Bitcoin Core 22.99.0
P2P Digital Currency
rpc_mempool.cpp
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1// Copyright (c) 2011-2020 The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <bench/bench.h>
6#include <rpc/blockchain.h>
7#include <txmempool.h>
8
9#include <univalue.h>
10
11
12static void AddTx(const CTransactionRef& tx, const CAmount& fee, CTxMemPool& pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, pool.cs)
13{
15 pool.addUnchecked(CTxMemPoolEntry(tx, fee, /* time */ 0, /* height */ 1, /* spendsCoinbase */ false, /* sigOpCost */ 4, lp));
16}
17
18static void RpcMempool(benchmark::Bench& bench)
19{
20 CTxMemPool pool;
21 LOCK2(cs_main, pool.cs);
22
23 for (int i = 0; i < 1000; ++i) {
25 tx.vin.resize(1);
26 tx.vin[0].scriptSig = CScript() << OP_1;
27 tx.vin[0].scriptWitness.stack.push_back({1});
28 tx.vout.resize(1);
29 tx.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
30 tx.vout[0].nValue = i;
31 const CTransactionRef tx_r{MakeTransactionRef(tx)};
32 AddTx(tx_r, /* fee */ i, pool);
33 }
34
35 bench.run([&] {
36 (void)MempoolToJSON(pool, /*verbose*/ true);
37 });
38}
39
int64_t CAmount
Amount in satoshis (Can be negative)
Definition: amount.h:12
UniValue MempoolToJSON(const CTxMemPool &pool, bool verbose, bool include_mempool_sequence)
Mempool to JSON.
Definition: blockchain.cpp:553
RecursiveMutex cs_main
Mutex to guard access to validation specific variables, such as reading or changing the chainstate.
Definition: validation.cpp:118
Serialized script, used inside transaction inputs and outputs.
Definition: script.h:406
CTxMemPoolEntry stores data about the corresponding transaction, as well as data about all in-mempool...
Definition: txmempool.h:80
CTxMemPool stores valid-according-to-the-current-best-chain transactions that may be included in the ...
Definition: txmempool.h:424
RecursiveMutex cs
This mutex needs to be locked when accessing mapTx or other members that are guarded by it.
Definition: txmempool.h:511
Main entry point to nanobench's benchmarking facility.
Definition: nanobench.h:616
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1183
LockPoints lp
static CTransactionRef MakeTransactionRef(Tx &&txIn)
Definition: transaction.h:387
std::shared_ptr< const CTransaction > CTransactionRef
Definition: transaction.h:386
static void RpcMempool(benchmark::Bench &bench)
Definition: rpc_mempool.cpp:18
BENCHMARK(RpcMempool)
static void AddTx(const CTransactionRef &tx, const CAmount &fee, CTxMemPool &pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main
@ OP_EQUAL
Definition: script.h:139
@ OP_1
Definition: script.h:76
A mutable version of CTransaction.
Definition: transaction.h:345
std::vector< CTxOut > vout
Definition: transaction.h:347
std::vector< CTxIn > vin
Definition: transaction.h:346
#define LOCK2(cs1, cs2)
Definition: sync.h:227
#define EXCLUSIVE_LOCKS_REQUIRED(...)
Definition: threadsafety.h:49