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Evict sigcache entries that are seen in a block

This commit is contained in:
Pieter Wuille 2015-10-30 23:38:40 +01:00 committed by Jack Grigg
parent 3a78872137
commit e4734f2748
No known key found for this signature in database
GPG Key ID: 1B8D649257DB0829
1 changed files with 13 additions and 2 deletions
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15
src/script/sigcache.cpp
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@ -62,6 +62,12 @@ public:
return setValid.count(entry);
}
void Erase(const uint256& entry)
{
boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
setValid.erase(entry);
}
void Set(const uint256& entry)
{
size_t nMaxCacheSize = GetArg("-maxsigcachesize", DEFAULT_MAX_SIG_CACHE_SIZE) * ((size_t) 1 << 20);
@ -90,13 +96,18 @@ bool CachingTransactionSignatureChecker::VerifySignature(const std::vector<unsig
uint256 entry;
signatureCache.ComputeEntry(entry, sighash, vchSig, pubkey);
if (signatureCache.Get(entry))
if (signatureCache.Get(entry)) {
if (!store) {
signatureCache.Erase(entry);
}
return true;
}
if (!TransactionSignatureChecker::VerifySignature(vchSig, pubkey, sighash))
return false;
if (store)
if (store) {
signatureCache.Set(entry);
}
return true;
}