Make sigcache faster and more efficient

2015-10-30 23:14:38 +01:00
parent 48b5b84ee5
commit 830e3f3d02
3 changed files with 55 additions and 38 deletions
--- a/src/script/sigcache.h
+++ b/src/script/sigcache.h
@@ -10,6 +10,10 @@

 #include <vector>

+// DoS prevention: limit cache size to less than 40MB (over 500000
+// entries on 64-bit systems).
+static const unsigned int DEFAULT_MAX_SIG_CACHE_SIZE = 40;
+
 class CPubKey;

 class CachingTransactionSignatureChecker : public TransactionSignatureChecker