diff options
Diffstat (limited to 'src/script/sigcache.cpp')
-rw-r--r-- | src/script/sigcache.cpp | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp index 4e2acc463a..e507ec7528 100644 --- a/src/script/sigcache.cpp +++ b/src/script/sigcache.cpp @@ -14,6 +14,7 @@ #include <algorithm> #include <mutex> +#include <optional> #include <shared_mutex> #include <vector> @@ -75,7 +76,7 @@ public: std::unique_lock<std::shared_mutex> lock(cs_sigcache); setValid.insert(entry); } - uint32_t setup_bytes(size_t n) + std::optional<std::pair<uint32_t, size_t>> setup_bytes(size_t n) { return setValid.setup_bytes(n); } @@ -92,14 +93,15 @@ static CSignatureCache signatureCache; // To be called once in AppInitMain/BasicTestingSetup to initialize the // signatureCache. -void InitSignatureCache() +bool InitSignatureCache(size_t max_size_bytes) { - // nMaxCacheSize is unsigned. If -maxsigcachesize is set to zero, - // setup_bytes creates the minimum possible cache (2 elements). - size_t nMaxCacheSize = std::min(std::max((int64_t)0, gArgs.GetIntArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) / 2), MAX_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20); - size_t nElems = signatureCache.setup_bytes(nMaxCacheSize); - LogPrintf("Using %zu MiB out of %zu/2 requested for signature cache, able to store %zu elements\n", - (nElems*sizeof(uint256)) >>20, (nMaxCacheSize*2)>>20, nElems); + auto setup_results = signatureCache.setup_bytes(max_size_bytes); + if (!setup_results) return false; + + const auto [num_elems, approx_size_bytes] = *setup_results; + LogPrintf("Using %zu MiB out of %zu MiB requested for signature cache, able to store %zu elements\n", + approx_size_bytes >> 20, max_size_bytes >> 20, num_elems); + return true; } bool CachingTransactionSignatureChecker::VerifyECDSASignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const |