PPCoin: Track coinstake search interval in RPC command 'getdifficulty'

[novacoin.git] / src / main.h

diff --git a/src/main.h b/src/main.h
index 2ee7140..2cde696 100644 (file)
--- a/src/main.h
+++ b/src/main.h
@@ -32,13 +32,13 @@ static const unsigned int MAX_BLOCK_SIZE = 1000000;
 static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
 static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
 static const unsigned int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
-static const int64 MIN_TX_FEE = 10000;
-static const int64 MIN_RELAY_TX_FEE = 10000;
+static const int64 MIN_TX_FEE = CENT;
+static const int64 MIN_RELAY_TX_FEE = CENT;
 static const int64 MAX_MONEY = 2000000000 * COIN;
 static const int64 MAX_MINT_PROOF_OF_WORK = 9999 * COIN;
 static const int64 MIN_TXOUT_AMOUNT = MIN_TX_FEE;
 inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
-static const int COINBASE_MATURITY = 100;
+static const int COINBASE_MATURITY_PPC = 500;
 // Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp.
 static const int LOCKTIME_THRESHOLD = 500000000; // Tue Nov  5 00:53:20 1985 UTC
 #ifdef USE_UPNP
@@ -47,8 +47,8 @@ static const int fHaveUPnP = true;
 static const int fHaveUPnP = false;
 #endif
 
-static const uint256 hashGenesisBlockOfficial("0x000000007c82d1f0aa2896b01bf533a8cc26a1f44790be4ceb4ecde7bee24add");
-static const uint256 hashGenesisBlockTestNet("0x00000007199508e34a9ff81e6ec0c477a4cccff2a4767a8eee39c11db367b008");
+static const uint256 hashGenesisBlockOfficial("0x0000000032fe677166d54963b62a4677d8957e87c508eaa4fd7eb1c880cd27e3");
+static const uint256 hashGenesisBlockTestNet("0x00000001f757bb737f6596503e17cd17b0658ce630cc727c0cca81aec47c9f06");
 
 extern CScript COINBASE_FLAGS;
 
@@ -61,15 +61,18 @@ extern CCriticalSection cs_main;
 extern std::map<uint256, CBlockIndex*> mapBlockIndex;
 extern std::set<std::pair<COutPoint, unsigned int> > setStakeSeen;
 extern uint256 hashGenesisBlock;
+extern unsigned int nStakeMinAge;
+extern int nCoinbaseMaturity;
 extern CBlockIndex* pindexGenesisBlock;
 extern int nBestHeight;
-extern uint64 nBestChainTrust;
-extern uint64 nBestInvalidTrust;
+extern CBigNum bnBestChainTrust;
+extern CBigNum bnBestInvalidTrust;
 extern uint256 hashBestChain;
 extern CBlockIndex* pindexBest;
 extern unsigned int nTransactionsUpdated;
 extern uint64 nLastBlockTx;
 extern uint64 nLastBlockSize;
+extern int64 nLastCoinStakeSearchInterval;
 extern const std::string strMessageMagic;
 extern double dHashesPerSec;
 extern int64 nHPSTimerStart;
@@ -105,12 +108,12 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
 void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1);
 bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey);
 bool CheckProofOfWork(uint256 hash, unsigned int nBits);
+int64 GetProofOfWorkReward(unsigned int nBits);
 int64 GetProofOfStakeReward(int64 nCoinAge);
 unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
 int GetNumBlocksOfPeers();
 bool IsInitialBlockDownload();
 std::string GetWarnings(std::string strFor);
-bool Reorganize(CTxDB& txdb, CBlockIndex* pindexNew);
 uint256 WantedByOrphan(const CBlock* pblockOrphan);
 const CBlockIndex* GetLastBlockIndex(const CBlockIndex* pindex, bool fProofOfStake);
 void BitcoinMiner(CWallet *pwallet, bool fProofOfStake);
@@ -290,6 +293,11 @@ public:
         return !(a == b);
     }
 
+    std::string ToStringShort() const
+    {
+        return strprintf(" %s %d", prevout.hash.ToString().c_str(), prevout.n);
+    }
+
     std::string ToString() const
     {
         std::string str;
@@ -378,12 +386,17 @@ public:
         return !(a == b);
     }
 
+    std::string ToStringShort() const
+    {
+        return strprintf(" out %s %s", FormatMoney(nValue).c_str(), scriptPubKey.ToString(true).c_str());
+    }
+
     std::string ToString() const
     {
         if (IsEmpty()) return "CTxOut(empty)";
         if (scriptPubKey.size() < 6)
             return "CTxOut(error)";
-        return strprintf("CTxOut(nValue=%s, scriptPubKey=%s)", FormatMoney(nValue).c_str(), scriptPubKey.ToString().substr(0,30).c_str());
+        return strprintf("CTxOut(nValue=%s, scriptPubKey=%s)", FormatMoney(nValue).c_str(), scriptPubKey.ToString().c_str());
     }
 
     void print() const
@@ -503,13 +516,13 @@ public:
 
     bool IsCoinBase() const
     {
-        return (vin.size() == 1 && vin[0].prevout.IsNull() && vout.size() == 1);
+        return (vin.size() == 1 && vin[0].prevout.IsNull() && vout.size() >= 1);
     }
 
     bool IsCoinStake() const
     {
         // ppcoin: the coin stake transaction is marked with the first output empty
-        return (vin.size() > 0 && vout.size() == 2 && vout[0].IsEmpty());
+        return (vin.size() > 0 && (!vin[0].prevout.IsNull()) && vout.size() >= 2 && vout[0].IsEmpty());
     }
 
     /** Check for standard transaction types
@@ -660,6 +673,13 @@ public:
     }
 
 
+    std::string ToStringShort() const
+    {
+        std::string str;
+        str += strprintf("%s %s", GetHash().ToString().c_str(), IsCoinBase()? "base" : (IsCoinStake()? "stake" : "user"));
+        return str;
+    }
+
     std::string ToString() const
     {
         std::string str;
@@ -1018,6 +1038,8 @@ public:
             return error("CBlock::WriteToDisk() : AppendBlockFile failed");
 
         // Write index header
+        unsigned char pchMessageStart[4];
+        GetMessageStart(pchMessageStart, true);
         unsigned int nSize = fileout.GetSerializeSize(*this);
         fileout << FLATDATA(pchMessageStart) << nSize;
 
@@ -1127,8 +1149,10 @@ public:
     CBlockIndex* pnext;
     unsigned int nFile;
     unsigned int nBlockPos;
-    uint64 nChainTrust;// ppcoin: trust score of chain, in the unit of coin-days
+    CBigNum bnChainTrust; // ppcoin: trust score of block chain
     int nHeight;
+    int64 nMint;
+    int64 nMoneySupply;
     bool fProofOfStake; // ppcoin: is the block of proof-of-stake type
     COutPoint prevoutStake;
     unsigned int nStakeTime;
@@ -1149,7 +1173,9 @@ public:
         nFile = 0;
         nBlockPos = 0;
         nHeight = 0;
-        nChainTrust = 0;
+        bnChainTrust = 0;
+        nMint = 0;
+        nMoneySupply = 0;
         fProofOfStake = true;
         prevoutStake.SetNull();
         nStakeTime = 0;
@@ -1169,7 +1195,9 @@ public:
         nFile = nFileIn;
         nBlockPos = nBlockPosIn;
         nHeight = 0;
-        nChainTrust = 0;
+        bnChainTrust = 0;
+        nMint = 0;
+        nMoneySupply = 0;
         fProofOfStake = block.IsProofOfStake();
         if (fProofOfStake)
         {
@@ -1212,9 +1240,13 @@ public:
         return (int64)nTime;
     }
 
-    int64 GetBlockTrust() const
+    CBigNum GetBlockTrust() const
     {
-        return (nChainTrust - (pprev? pprev->nChainTrust : 0));
+        CBigNum bnTarget;
+        bnTarget.SetCompact(nBits);
+        if (bnTarget <= 0)
+            return 0;
+        return (fProofOfStake? (CBigNum(1)<<256) / (bnTarget+1) : 1);
     }
 
     bool IsInMainChain() const
@@ -1282,8 +1314,9 @@ public:
 
     std::string ToString() const
     {
-        return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nChainTrust=%"PRI64d" nHeight=%d, fProofOfStake=%d prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
-            pprev, pnext, nFile, nBlockPos, nChainTrust, nHeight,
+        return strprintf("CBlockIndex(nprev=%08x, pnext=%08x, nFile=%d, nBlockPos=%-6d nHeight=%d, nMint=%s, nMoneySupply=%s, fProofOfStake=%d prevoutStake=(%s), nStakeTime=%d merkle=%s, hashBlock=%s)",
+            pprev, pnext, nFile, nBlockPos, nHeight,
+            FormatMoney(nMint).c_str(), FormatMoney(nMoneySupply).c_str(),
             fProofOfStake, prevoutStake.ToString().c_str(), nStakeTime,
             hashMerkleRoot.ToString().substr(0,10).c_str(),
             GetBlockHash().ToString().substr(0,20).c_str());
@@ -1324,8 +1357,9 @@ public:
         READWRITE(hashNext);
         READWRITE(nFile);
         READWRITE(nBlockPos);
-        READWRITE(nChainTrust);
         READWRITE(nHeight);
+        READWRITE(nMint);
+        READWRITE(nMoneySupply);
         READWRITE(fProofOfStake);
         if (fProofOfStake)
         {