PPCoin: Set stake full weight age at 90 days

[novacoin.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 0390b9c..f2c7b51 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -33,6 +33,8 @@ set<pair<COutPoint, unsigned int> > setStakeSeen;
 uint256 hashGenesisBlock = hashGenesisBlockOfficial;
 static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
 static CBigNum bnInitialHashTarget(~uint256(0) >> 40);
+unsigned int nStakeMinAge = STAKE_MIN_AGE;
+int nCoinbaseMaturity = COINBASE_MATURITY;
 CBlockIndex* pindexGenesisBlock = NULL;
 int nBestHeight = -1;
 CBigNum bnBestChainTrust = 0;
@@ -709,7 +711,7 @@ int CMerkleTx::GetBlocksToMaturity() const
 {
     if (!(IsCoinBase() || IsCoinStake()))
         return 0;
-    return max(0, (COINBASE_MATURITY+20) - GetDepthInMainChain());
+    return max(0, (nCoinbaseMaturity+20) - GetDepthInMainChain());
 }
 
 
@@ -1168,7 +1170,7 @@ bool CTransaction::ConnectInputs(CTxDB& txdb, MapPrevTx inputs,
 
             // If prev is coinbase/coinstake, check that it's matured
             if (txPrev.IsCoinBase() || txPrev.IsCoinStake())
-                for (const CBlockIndex* pindex = pindexBlock; pindex && pindexBlock->nHeight - pindex->nHeight < COINBASE_MATURITY; pindex = pindex->pprev)
+                for (const CBlockIndex* pindex = pindexBlock; pindex && pindexBlock->nHeight - pindex->nHeight < nCoinbaseMaturity; pindex = pindex->pprev)
                     if (pindex->nBlockPos == txindex.pos.nBlockPos && pindex->nFile == txindex.pos.nFile)
                         return error("ConnectInputs() : tried to spend coinbase/coinstake at depth %d", pindexBlock->nHeight - pindex->nHeight);
 
@@ -1721,11 +1723,11 @@ bool CTransaction::CheckProofOfStake(unsigned int nBits) const
     CBlock block;
     if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
         return false; // unable to read block of previous transaction
-    if (block.GetBlockTime() + STAKE_MIN_AGE > nTime)
+    if (block.GetBlockTime() + nStakeMinAge > nTime)
         return false; // only count coins meeting min age requirement
 
     int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
-    CBigNum bnCoinDay = CBigNum(nValueIn) * (nTime-txPrev.nTime) / COIN / (24 * 60 * 60);
+    CBigNum bnCoinDay = CBigNum(nValueIn) * min(nTime-txPrev.nTime, (unsigned int)STAKE_MAX_AGE) / COIN / (24 * 60 * 60);
     // Calculate hash
     CDataStream ss(SER_GETHASH, 0);
     ss << nBits << block.nTime << (txindex.pos.nTxPos - txindex.pos.nBlockPos) << txPrev.nTime << txin.prevout.n << nTime;
@@ -1764,7 +1766,7 @@ bool CTransaction::GetCoinAge(CTxDB& txdb, uint64& nCoinAge) const
         CBlock block;
         if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
             return false; // unable to read block of previous transaction
-        if (block.GetBlockTime() + STAKE_MIN_AGE > nTime)
+        if (block.GetBlockTime() + nStakeMinAge > nTime)
             continue; // only count coins meeting min age requirement
 
         int64 nValueIn = txPrev.vout[txin.prevout.n].nValue;
@@ -2242,12 +2244,14 @@ bool LoadBlockIndex(bool fAllowNew)
     {
         hashGenesisBlock = hashGenesisBlockTestNet;
         bnProofOfWorkLimit = CBigNum(~uint256(0) >> 28);
-        pchMessageStart[0] = 0xfa;
-        pchMessageStart[1] = 0xbf;
-        pchMessageStart[2] = 0xb5;
-        pchMessageStart[3] = 0xda;
+        nStakeMinAge = 60 * 60 * 24; // test net min age is 1 day
+        nCoinbaseMaturity = 60;
+        bnInitialHashTarget = CBigNum(~uint256(0) >> 29);
     }
 
+    printf("%s Network: genesis=0x%s nBitsLimit=0x%08x nBitsInitial=0x%08x nStakeMinAge=%d nCoinbaseMaturity=%d\n",
+           fTestNet? "Test" : "PPCoin", hashGenesisBlock.ToString().substr(0, 20).c_str(), bnProofOfWorkLimit.GetCompact(), bnInitialHashTarget.GetCompact(), nStakeMinAge, nCoinbaseMaturity);
+
     //
     // Load block index
     //
@@ -2328,7 +2332,7 @@ bool LoadBlockIndex(bool fAllowNew)
                 return error("LoadBlockIndex() : failed to write new checkpoint master key to db");
             if (!txdb.TxnCommit())
                 return error("LoadBlockIndex() : failed to commit new checkpoint master key to db");
-            if (!Checkpoints::ResetSyncCheckpoint())
+            if ((!fTestNet) && !Checkpoints::ResetSyncCheckpoint())
                 return error("LoadBlockIndex() : failed to reset sync-checkpoint");
         }
         txdb.Close();
@@ -2457,7 +2461,7 @@ string GetWarnings(string strFor)
 
     // ppcoin: should not enter safe mode for longer invalid chain
     // ppcoin: if sync-checkpoint too old enter safe mode
-    if (Checkpoints::IsMatureSyncCheckpoint())
+    if (Checkpoints::IsMatureSyncCheckpoint() && !fTestNet)
     {
         nPriority = 2000;
         strStatusBar = strRPC = "WARNING: Checkpoint is too old. Wait for block chain to download, or notify developers of the issue.";
@@ -2581,12 +2585,6 @@ bool static AlreadyHave(CTxDB& txdb, const CInv& inv)
 
 
 
-// The message start string is designed to be unlikely to occur in normal data.
-// The characters are rarely used upper ascii, not valid as UTF-8, and produce
-// a large 4-byte int at any alignment.
-unsigned char pchMessageStart[4] = { 0xf9, 0xbe, 0xb4, 0xd9 };
-
-
 bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
 {
     static map<CService, vector<unsigned char> > mapReuseKey;
@@ -2933,7 +2931,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
                 printf("  getblocks stopping at %d %s (%u bytes)\n", pindex->nHeight, pindex->GetBlockHash().ToString().substr(0,20).c_str(), nBytes);
                 // ppcoin: tell downloading node about the latest block if it's
                 // without risk being rejected due to stake connection check
-                if (hashStop != hashBestChain && pindex->GetBlockTime() + STAKE_MIN_AGE > pindexBest->GetBlockTime())
+                if (hashStop != hashBestChain && pindex->GetBlockTime() + nStakeMinAge > pindexBest->GetBlockTime())
                     pfrom->PushInventory(CInv(MSG_BLOCK, hashBestChain));
                 break;
             }
@@ -3217,6 +3215,17 @@ bool ProcessMessages(CNode* pfrom)
     //  (x) data
     //
 
+    unsigned char pchMessageStart[4];
+    GetMessageStart(pchMessageStart);
+    static int64 nTimeLastPrintMessageStart = 0;
+    if (fDebug && GetBoolArg("-printmessagestart") && nTimeLastPrintMessageStart + 30 < GetAdjustedTime())
+    {
+        string strMessageStart((const char *)pchMessageStart);
+        vector<unsigned char> vchMessageStart(strMessageStart.begin(), strMessageStart.end());
+        printf("ProcessMessages : AdjustedTime=%"PRI64d" MessageStart=%s\n", GetAdjustedTime(), HexStr(vchMessageStart).c_str());
+        nTimeLastPrintMessageStart = GetAdjustedTime();
+    }
+
     loop
     {
         // Scan for message start