Cache scrypt hashes on disk

[novacoin.git] / src / main.h

diff --git a/src/main.h b/src/main.h
index 0ed1777..4955be9 100644 (file)
--- a/src/main.h
+++ b/src/main.h
@@ -9,7 +9,8 @@
 #include "sync.h"
 #include "net.h"
 #include "script.h"
-#include "scrypt_mine.h"
+#include "scrypt.h"
+#include "zerocoin/Zerocoin.h"
 
 #include <list>
 
@@ -57,12 +58,10 @@ static const int fHaveUPnP = false;
 
 static const uint256 hashGenesisBlock("0x00000a060336cbb72fe969666d337b87198b1add2abaa59cca226820b32933a4");
 static const uint256 hashGenesisBlockTestNet("0x000c763e402f2436da9ed36c7286f62c3f6e5dbafce9ff289bd43d7459327eb");
-
 static const int64 nMaxClockDrift = 2 * 60 * 60;        // two hours
 
+extern libzerocoin::Params* ZCParams;
 extern CScript COINBASE_FLAGS;
-
-
 extern CCriticalSection cs_main;
 extern std::map<uint256, CBlockIndex*> mapBlockIndex;
 extern std::set<std::pair<COutPoint, unsigned int> > setStakeSeen;
@@ -88,12 +87,13 @@ extern std::map<uint256, CBlock*> mapOrphanBlocks;
 
 // Settings
 extern int64 nTransactionFee;
-extern bool fStakeUsePooledKeys;
+extern int64 nMinimumInputValue;
+extern bool fUseFastIndex;
+extern unsigned int nDerivationMethodIndex;
 
 // Minimum disk space required - used in CheckDiskSpace()
 static const uint64 nMinDiskSpace = 52428800;
 
-
 class CReserveKey;
 class CTxDB;
 class CTxIndex;
@@ -111,12 +111,9 @@ CBlockIndex* FindBlockByHeight(int nHeight);
 bool ProcessMessages(CNode* pfrom);
 bool SendMessages(CNode* pto, bool fSendTrickle);
 bool LoadExternalBlockFile(FILE* fileIn);
-CBlock* CreateNewBlock(CWallet* pwallet, bool fProofOfStake=false);
-void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
-void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1);
-bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey);
-bool CheckStake(CBlock* pblock, CWallet& wallet);
+
 bool CheckProofOfWork(uint256 hash, unsigned int nBits);
+unsigned int GetNextTargetRequired(const CBlockIndex* pindexLast, bool fProofOfStake);
 int64 GetProofOfWorkReward(unsigned int nBits);
 int64 GetProofOfStakeReward(int64 nCoinAge, unsigned int nBits, unsigned int nTime, bool bCoinYearOnly=false);
 unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
@@ -596,7 +593,7 @@ public:
         return dPriority > COIN * 144 / 250;
     }
 
-    int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK) const;
+    int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=false, enum GetMinFee_mode mode=GMF_BLOCK, unsigned int nBytes = 0) const;
 
     bool ReadFromDisk(CDiskTxPos pos, FILE** pfileRet=NULL)
     {
@@ -856,7 +853,6 @@ public:
 
     // memory only
     mutable std::vector<uint256> vMerkleTree;
-    uint256 hashBlock;
 
     // Denial-of-service detection:
     mutable int nDoS;
@@ -902,7 +898,6 @@ public:
         vchBlockSig.clear();
         vMerkleTree.clear();
         nDoS = 0;
-        hashBlock = 0;
     }
 
     bool IsNull() const
@@ -910,7 +905,7 @@ public:
         return (nBits == 0);
     }
 
-    uint256 GetHash(bool fRehash=false) const
+    uint256 GetHash() const
     {
         return scrypt_blockhash(CVOIDBEGIN(nVersion));
     }
@@ -1354,6 +1349,9 @@ public:
 /** Used to marshal pointers into hashes for db storage. */
 class CDiskBlockIndex : public CBlockIndex
 {
+private:
+    uint256 blockHash;
+
 public:
     uint256 hashPrev;
     uint256 hashNext;
@@ -1362,6 +1360,7 @@ public:
     {
         hashPrev = 0;
         hashNext = 0;
+        blockHash = 0;
     }
 
     explicit CDiskBlockIndex(CBlockIndex* pindex) : CBlockIndex(*pindex)
@@ -1403,10 +1402,14 @@ public:
         READWRITE(nTime);
         READWRITE(nBits);
         READWRITE(nNonce);
+        READWRITE(blockHash);
     )
 
     uint256 GetBlockHash() const
     {
+        if (fUseFastIndex && (nTime < GetAdjustedTime() - 12 * nMaxClockDrift) && blockHash != 0)
+            return blockHash;
+
         CBlock block;
         block.nVersion        = nVersion;
         block.hashPrevBlock   = hashPrev;
@@ -1414,9 +1417,11 @@ public:
         block.nTime           = nTime;
         block.nBits           = nBits;
         block.nNonce          = nNonce;
-        return block.GetHash();
-    }
 
+        const_cast<CDiskBlockIndex*>(this)->blockHash = block.GetHash();
+
+        return blockHash;
+    }
 
     std::string ToString() const
     {