Precompute sighashes

Original version by Nicolas Dorier. Precomputing version by Pieter Wuille.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/main.h b/src/main.h
index d4d70c0180..fbf66c0481 100644
--- a/src/main.h
+++ b/src/main.h
@@ -38,6 +38,7 @@ class CScriptCheck;
 class CTxMemPool;
 class CValidationInterface;
 class CValidationState;
+class CachedHashes;
 
 struct CNodeStateStats;
 struct LockPoints;
@@ -347,7 +348,7 @@ int64_t GetTransactionSigOpCost(const CTransaction& tx, const CCoinsViewCache& i
  * instead of being performed inline.
  */
 bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &view, bool fScriptChecks,
-                 unsigned int flags, bool cacheStore, std::vector<CScriptCheck> *pvChecks = NULL);
+                 unsigned int flags, bool cacheStore, CachedHashes& cachedHashes, std::vector<CScriptCheck> *pvChecks = NULL);
 
 /** Apply the effects of this transaction on the UTXO set represented by view */
 void UpdateCoins(const CTransaction& tx, CCoinsViewCache& inputs, int nHeight);
@@ -421,12 +422,13 @@ private:
     unsigned int nFlags;
     bool cacheStore;
     ScriptError error;
+    CachedHashes *cachedHashes;
 
 public:
     CScriptCheck(): amount(0), ptxTo(0), nIn(0), nFlags(0), cacheStore(false), error(SCRIPT_ERR_UNKNOWN_ERROR) {}
-    CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, bool cacheIn) :
+    CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, bool cacheIn, CachedHashes* cachedHashesIn) :
         scriptPubKey(txFromIn.vout[txToIn.vin[nInIn].prevout.n].scriptPubKey), amount(txFromIn.vout[txToIn.vin[nInIn].prevout.n].nValue),
-        ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn), error(SCRIPT_ERR_UNKNOWN_ERROR) { }
+        ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn), error(SCRIPT_ERR_UNKNOWN_ERROR), cachedHashes(cachedHashesIn) { }
 
     bool operator()();
 
@@ -438,6 +440,7 @@ public:
         std::swap(nFlags, check.nFlags);
         std::swap(cacheStore, check.cacheStore);
         std::swap(error, check.error);
+        std::swap(cachedHashes, check.cachedHashes);
     }
 
     ScriptError GetScriptError() const { return error; }