Bitcoin Core  21.99.0
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 
12 static void AddTx(const CTransactionRef& tx, const CAmount& fee, CTxMemPool& pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, pool.cs)
13 {
14  LockPoints lp;
15  pool.addUnchecked(CTxMemPoolEntry(tx, fee, /* time */ 0, /* height */ 1, /* spendsCoinbase */ false, /* sigOpCost */ 4, lp));
16 }
17 
18 static 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 
LOCK2
#define LOCK2(cs1, cs2)
Definition: sync.h:233
CMutableTransaction::vin
std::vector< CTxIn > vin
Definition: transaction.h:346
BENCHMARK
BENCHMARK(RpcMempool)
CTxMemPool
CTxMemPool stores valid-according-to-the-current-best-chain transactions that may be included in the ...
Definition: txmempool.h:477
ankerl::nanobench::Bench
Main entry point to nanobench's benchmarking facility.
Definition: nanobench.h:583
MakeTransactionRef
static CTransactionRef MakeTransactionRef(Tx &&txIn)
Definition: transaction.h:387
CTransactionRef
std::shared_ptr< const CTransaction > CTransactionRef
Definition: transaction.h:386
cs_main
RecursiveMutex cs_main
Mutex to guard access to validation specific variables, such as reading or changing the chainstate.
Definition: validation.cpp:130
AddTx
static void AddTx(const CTransactionRef &tx, const CAmount &fee, CTxMemPool &pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main
txmempool.h
CTxMemPool::cs
RecursiveMutex cs
This mutex needs to be locked when accessing mapTx or other members that are guarded by it.
Definition: txmempool.h:565
univalue.h
ankerl::nanobench::Bench::run
Bench & run(char const *benchmarkName, Op &&op)
Repeatedly calls op() based on the configuration, and performs measurements.
Definition: nanobench.h:1134
CAmount
int64_t CAmount
Amount in satoshis (Can be negative)
Definition: amount.h:12
CScript
Serialized script, used inside transaction inputs and outputs.
Definition: script.h:404
bench.h
CMutableTransaction::vout
std::vector< CTxOut > vout
Definition: transaction.h:347
MempoolToJSON
UniValue MempoolToJSON(const CTxMemPool &pool, bool verbose, bool include_mempool_sequence)
Mempool to JSON.
Definition: blockchain.cpp:497
EXCLUSIVE_LOCKS_REQUIRED
#define EXCLUSIVE_LOCKS_REQUIRED(...)
Definition: threadsafety.h:49
CTxMemPoolEntry
Definition: txmempool.h:81
LockPoints
Definition: txmempool.h:39
OP_EQUAL
@ OP_EQUAL
Definition: script.h:138
RpcMempool
static void RpcMempool(benchmark::Bench &bench)
Definition: rpc_mempool.cpp:18
blockchain.h
lp
LockPoints lp
Definition: mempool_eviction.cpp:17
CMutableTransaction
A mutable version of CTransaction.
Definition: transaction.h:344
OP_1
@ OP_1
Definition: script.h:75