Differential D2016 Diff 5692 src/script/sigcache.cpp

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src/script/sigcache.cpp

Show First 20 Lines • Show All 70 Lines • ▼ Show 20 Lines	void InitSignatureCache() {
// setup_bytes creates the minimum possible cache (2 elements).		// setup_bytes creates the minimum possible cache (2 elements).
size_t nMaxCacheSize =		size_t nMaxCacheSize =
std::min(std::max(int64_t(0),		std::min(std::max(int64_t(0),
gArgs.GetArg("-maxsigcachesize",		gArgs.GetArg("-maxsigcachesize",
DEFAULT_MAX_SIG_CACHE_SIZE)),		DEFAULT_MAX_SIG_CACHE_SIZE)),
MAX_MAX_SIG_CACHE_SIZE) *		MAX_MAX_SIG_CACHE_SIZE) *
(size_t(1) << 20);		(size_t(1) << 20);
size_t nElems = signatureCache.setup_bytes(nMaxCacheSize);		size_t nElems = signatureCache.setup_bytes(nMaxCacheSize);
LogPrintf("Using %zu MiB out of %zu requested for signature cache, able to "		LogPrint(BCLog::SCRIPT,
		"Using %zu MiB out of %zu requested for signature cache, able to "
"store %zu elements\n",		"store %zu elements\n",
(nElems * sizeof(uint256)) >> 20, nMaxCacheSize >> 20, nElems);		(nElems * sizeof(uint256)) >> 20, nMaxCacheSize >> 20, nElems);
}		}

bool CachingTransactionSignatureChecker::VerifySignature(		bool CachingTransactionSignatureChecker::VerifySignature(
const std::vector<uint8_t> &vchSig, const CPubKey &pubkey,		const std::vector<uint8_t> &vchSig, const CPubKey &pubkey,
const uint256 &sighash) const {		const uint256 &sighash) const {
uint256 entry;		uint256 entry;
signatureCache.ComputeEntry(entry, sighash, vchSig, pubkey);		signatureCache.ComputeEntry(entry, sighash, vchSig, pubkey);
if (signatureCache.Get(entry, !store)) {		if (signatureCache.Get(entry, !store)) {
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