PPCoin: Coin creation model - coinstake reward with coinstake transaction

[novacoin.git] / src / main.h

diff --git a/src/main.h b/src/main.h
index c43aad0..35580d4 100644 (file)
--- a/src/main.h
+++ b/src/main.h
@@ -1,6 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
-// Copyright (c) 2011 The PPCoin developers
+// Copyright (c) 2011-2012 The PPCoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_MAIN_H
@@ -95,11 +95,12 @@ void PrintBlockTree();
 bool ProcessMessages(CNode* pfrom);
 bool SendMessages(CNode* pto, bool fSendTrickle);
 void GenerateBitcoins(bool fGenerate, CWallet* pwallet);
-CBlock* CreateNewBlock(CReserveKey& reservekey);
+CBlock* CreateNewBlock(CReserveKey& reservekey, CWallet* pwallet);
 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 CheckProofOfWork(uint256 hash, unsigned int nBits);
+int64 GetProofOfStakeReward(int64 nCoinAge);
 unsigned int ComputeMinWork(unsigned int nBase, int64 nTime);
 int GetNumBlocksOfPeers();
 bool IsInitialBlockDownload();
@@ -358,6 +359,11 @@ public:
         return (nValue == -1);
     }
 
+    bool IsCoinStake() const
+    {
+        return (nValue == 0 && scriptPubKey.empty());
+    }
+
     uint256 GetHash() const
     {
         return SerializeHash(*this);
@@ -376,6 +382,7 @@ public:
 
     std::string ToString() const
     {
+        if (IsCoinStake()) return "CTxOut(coinstake)";
         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());
@@ -490,7 +497,13 @@ public:
 
     bool IsCoinBase() const
     {
-        return (vin.size() == 1 && vin[0].prevout.IsNull());
+        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 (vout.size() == 2 && vout[0].IsCoinStake());
     }
 
     int GetSigOpCount() const
@@ -652,6 +665,7 @@ protected:
     bool AddToMemoryPoolUnchecked();
 public:
     bool RemoveFromMemoryPool();
+    bool GetCoinAge(uint64& nCoinAge) const;  // ppcoin: get transaction coin age
 };
 
 
@@ -1003,7 +1017,7 @@ public:
     bool AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos);
     bool CheckBlock() const;
     bool AcceptBlock();
-    uint64 GetBlockCoinAge(); // ppcoin: calculate total coin age spent in block
+    bool GetCoinAge(uint64& nCoinAge) const; // ppcoin: calculate total coin age spent in block
 };