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-rw-r--r--src/script/sigcache.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
index 9dc7f0fcd5..eee96e7c2d 100644
--- a/src/script/sigcache.cpp
+++ b/src/script/sigcache.cpp
@@ -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;
}