Page MenuHomePhabricator
Differential D529 Diff 1364 src/bench/ccoins_caching.cpp

Changeset View

Standalone View

View Options

src/bench/ccoins_caching.cpp

Show All 24 LinesSetupDummyInputs(CBasicKeyStore &keystoreRet, CCoinsViewCache &coinsRet) {
CKey key[4]; CKey key[4];
for (int i = 0; i < 4; i++) { for (int i = 0; i < 4; i++) {
key[i].MakeNewKey(i % 2); key[i].MakeNewKey(i % 2);
keystoreRet.AddKey(key[i]); keystoreRet.AddKey(key[i]);
} }
// Create some dummy input transactions // Create some dummy input transactions
dummyTransactions[0].vout.resize(2); dummyTransactions[0].vout.resize(2);
dummyTransactions[0].vout[0].nValue = 11 * CENT; dummyTransactions[0].vout[0].nValue = 11 * CENT.GetSatoshis();
dummyTransactions[0].vout[0].scriptPubKey dummyTransactions[0].vout[0].scriptPubKey
<< ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG; << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG;
dummyTransactions[0].vout[1].nValue = 50 * CENT; dummyTransactions[0].vout[1].nValue = 50 * CENT.GetSatoshis();
dummyTransactions[0].vout[1].scriptPubKey dummyTransactions[0].vout[1].scriptPubKey
<< ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG; << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG;
AddCoins(coinsRet, dummyTransactions[0], 0); AddCoins(coinsRet, dummyTransactions[0], 0);
dummyTransactions[1].vout.resize(2); dummyTransactions[1].vout.resize(2);
dummyTransactions[1].vout[0].nValue = 21 * CENT; dummyTransactions[1].vout[0].nValue = 21 * CENT.GetSatoshis();
dummyTransactions[1].vout[0].scriptPubKey = dummyTransactions[1].vout[0].scriptPubKey =
GetScriptForDestination(key[2].GetPubKey().GetID()); GetScriptForDestination(key[2].GetPubKey().GetID());
dummyTransactions[1].vout[1].nValue = 22 * CENT; dummyTransactions[1].vout[1].nValue = 22 * CENT.GetSatoshis();
dummyTransactions[1].vout[1].scriptPubKey = dummyTransactions[1].vout[1].scriptPubKey =
GetScriptForDestination(key[3].GetPubKey().GetID()); GetScriptForDestination(key[3].GetPubKey().GetID());
AddCoins(coinsRet, dummyTransactions[1], 0); AddCoins(coinsRet, dummyTransactions[1], 0);
return dummyTransactions; return dummyTransactions;
} }
// Microbenchmark for simple accesses to a CCoinsViewCache database. Note from // Microbenchmark for simple accesses to a CCoinsViewCache database. Note from
Show All 18 Linesstatic void CCoinsCaching(benchmark::State &state) {
t1.vin[1].prevout.n = 0; t1.vin[1].prevout.n = 0;
t1.vin[1].scriptSig << std::vector<uint8_t>(65, 0) t1.vin[1].scriptSig << std::vector<uint8_t>(65, 0)
<< std::vector<uint8_t>(33, 4); << std::vector<uint8_t>(33, 4);
t1.vin[2].prevout.hash = dummyTransactions[1].GetId(); t1.vin[2].prevout.hash = dummyTransactions[1].GetId();
t1.vin[2].prevout.n = 1; t1.vin[2].prevout.n = 1;
t1.vin[2].scriptSig << std::vector<uint8_t>(65, 0) t1.vin[2].scriptSig << std::vector<uint8_t>(65, 0)
<< std::vector<uint8_t>(33, 4); << std::vector<uint8_t>(33, 4);
t1.vout.resize(2); t1.vout.resize(2);
t1.vout[0].nValue = 90 * CENT; t1.vout[0].nValue = 90 * CENT.GetSatoshis();
t1.vout[0].scriptPubKey << OP_1; t1.vout[0].scriptPubKey << OP_1;
// Benchmark. // Benchmark.
while (state.KeepRunning()) { while (state.KeepRunning()) {
bool success = AreInputsStandard(t1, coins); bool success = AreInputsStandard(t1, coins);
assert(success); assert(success);
CAmount value = coins.GetValueIn(t1); CAmount value = coins.GetValueIn(t1);
assert(value == (50 + 21 + 22) * CENT); assert(value == (50 + 21 + 22) * CENT.GetSatoshis());
} }
} }
BENCHMARK(CCoinsCaching); BENCHMARK(CCoinsCaching);