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crate::ix!();
//-------------------------------------------[.cpp/bitcoin/src/bench/ccoins_caching.cpp]
/**
| Microbenchmark for simple accesses to a CCoinsViewCache database. Note from
| laanwj, "replicating the actual usage patterns of the client is hard though,
| many times micro-benchmarks of the database showed completely different
| characteristics than e.g. reindex timings. But that's not a requirement of
| every benchmark."
|
| (https://github.com/bitcoin/bitcoin/issues/7883#issuecomment-224807484)
*/
#[bench]
fn coins_caching(b: &mut Bencher) {
todo!();
/*
const ECCVerifyHandle verify_handle;
ECC_Start();
FillableSigningProvider keystore;
CCoinsView coinsDummy;
CCoinsViewCache coins(&coinsDummy);
std::vector<CMutableTransaction> dummyTransactions =
SetupDummyInputs(keystore, coins, {11 * COIN, 50 * COIN, 21 * COIN, 22 * COIN});
CMutableTransaction t1;
t1.vin.resize(3);
t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();
t1.vin[0].prevout.n = 1;
t1.vin[0].scriptSig << std::vector<unsigned char>(65, 0);
t1.vin[1].prevout.hash = dummyTransactions[1].GetHash();
t1.vin[1].prevout.n = 0;
t1.vin[1].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);
t1.vin[2].prevout.hash = dummyTransactions[1].GetHash();
t1.vin[2].prevout.n = 1;
t1.vin[2].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);
t1.vout.resize(2);
t1.vout[0].nValue = 90 * COIN;
t1.vout[0].scriptPubKey << OP_1;
// Benchmark.
const CTransaction tx_1(t1);
bench.run([&] {
bool success = AreInputsStandard(tx_1, coins, false);
assert(success);
});
ECC_Stop();
*/
}