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bench: add benchmark for signing with a taptweak

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Add benchmarks for signing with null and non-null merkle_root arguments.
Null and non-null merkle_root arguments will apply the taptweaks
H_TapTweak(P) and H_TapTweak(P | merkle_root), respectively, to the
private key during signing.

This benchmark is added to verify there are no significant performance
changes after moving the taptweak signing logic in a later commit.

Co-authored-by: l0rinc <pap.lorinc@gmail.com>
This commit is contained in:
josibake 2024-08-03 12:44:31 +02:00
parent 8d57361157
commit f14900b6e4
No known key found for this signature in database
GPG key ID: 8ADCB558C4F33D65
1 changed files with 29 additions and 0 deletions
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29
src/bench/sign_transaction.cpp
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@ -12,6 +12,7 @@
#include <script/script.h>
#include <script/sign.h>
#include <uint256.h>
#include <test/util/random.h>
#include <util/translation.h>
enum class InputType {
@ -66,5 +67,33 @@ static void SignTransactionSingleInput(benchmark::Bench& bench, InputType input_
static void SignTransactionECDSA(benchmark::Bench& bench) { SignTransactionSingleInput(bench, InputType::P2WPKH); }
static void SignTransactionSchnorr(benchmark::Bench& bench) { SignTransactionSingleInput(bench, InputType::P2TR); }
static void SignSchnorrTapTweakBenchmark(benchmark::Bench& bench, bool use_null_merkle_root)
{
ECC_Context ecc_context{};
auto key = GenerateRandomKey();
auto msg = InsecureRand256();
auto merkle_root = use_null_merkle_root ? uint256() : InsecureRand256();
auto aux = InsecureRand256();
std::vector<unsigned char> sig(64);
bench.minEpochIterations(100).run([&] {
bool success = key.SignSchnorr(msg, sig, &merkle_root, aux);
assert(success);
});
}
static void SignSchnorrWithMerkleRoot(benchmark::Bench& bench)
{
SignSchnorrTapTweakBenchmark(bench, /*use_null_merkle_root=*/false);
}
static void SignSchnorrWithNullMerkleRoot(benchmark::Bench& bench)
{
SignSchnorrTapTweakBenchmark(bench, /*use_null_merkle_root=*/true);
}
BENCHMARK(SignTransactionECDSA, benchmark::PriorityLevel::HIGH);
BENCHMARK(SignTransactionSchnorr, benchmark::PriorityLevel::HIGH);
BENCHMARK(SignSchnorrWithMerkleRoot, benchmark::PriorityLevel::HIGH);
BENCHMARK(SignSchnorrWithNullMerkleRoot, benchmark::PriorityLevel::HIGH);