From c9e69fbf3915fe1187b4c2e77be5ae6b16121194 Mon Sep 17 00:00:00 2001 From: Jeremy Rubin Date: Wed, 5 Oct 2016 16:58:47 -0400 Subject: Add CuckooCache implementation and replace the sigcache map_type with it SQUASHME: Change cuckoocache to only work for powers of two, to avoid mod operator SQUASHME: Update Documentation and simplify logarithm logic SQUASHME: OSX Build Errors SQUASHME: minor Feedback from sipa + bluematt SQUASHME: DOCONLY: Clarify a few comments. --- src/script/sigcache.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'src/script/sigcache.h') diff --git a/src/script/sigcache.h b/src/script/sigcache.h index 44551ec2b..5243fc0a4 100644 --- a/src/script/sigcache.h +++ b/src/script/sigcache.h @@ -10,9 +10,10 @@ #include -// 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; +// DoS prevention: limit cache size to 32MB (over 1000000 entries on 64-bit +// systems). Due to how we count cache size, actual memory usage is slightly +// more (~32.25 MB) +static const unsigned int DEFAULT_MAX_SIG_CACHE_SIZE = 32; class CPubKey; @@ -27,4 +28,6 @@ public: bool VerifySignature(const std::vector& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const; }; +void InitSignatureCache(); + #endif // BITCOIN_SCRIPT_SIGCACHE_H -- cgit v1.2.3