Check block signature only if there are no suitable checkpoints.

[novacoin.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 1b435d5..c366651 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -551,13 +551,9 @@ bool CTransaction::CheckTransaction() const
 
 int64_t CTransaction::GetMinFee(unsigned int nBlockSize, bool fAllowFree, enum GetMinFee_mode mode, unsigned int nBytes) const
 {
-    // Use new fees approach if we are on test network or 
-    //    switch date has been reached
-    bool fNewApproach = fTestNet || nTime > FEE_SWITCH_TIME;
-
     int64_t nMinTxFee = MIN_TX_FEE, nMinRelayTxFee = MIN_RELAY_TX_FEE;
 
-    if(!fNewApproach || IsCoinStake())
+    if(IsCoinStake())
     {
         // Enforce 0.01 as minimum fee for old approach or coinstake
         nMinTxFee = CENT;
@@ -570,42 +566,31 @@ int64_t CTransaction::GetMinFee(unsigned int nBlockSize, bool fAllowFree, enum G
     unsigned int nNewBlockSize = nBlockSize + nBytes;
     int64_t nMinFee = (1 + (int64_t)nBytes / 1000) * nBaseFee;
 
-    if (fNewApproach)
+    if (fAllowFree)
     {
-        if (fAllowFree)
+        if (nBlockSize == 1)
         {
-            if (nBlockSize == 1)
-            {
-                // Transactions under 1K are free
-                if (nBytes < 1000)
-                    nMinFee = 0;
-            }
-            else
-            {
-                // Free transaction area
-                if (nNewBlockSize < 27000)
-                    nMinFee = 0;
-            }
+            // Transactions under 1K are free
+            if (nBytes < 1000)
+                nMinFee = 0;
+        }
+        else
+        {
+            // Free transaction area
+            if (nNewBlockSize < 27000)
+                nMinFee = 0;
         }
-
-        // To limit dust spam, require additional MIN_TX_FEE/MIN_RELAY_TX_FEE for 
-        //    each non empty output which is less than 0.01
-        //
-        // It's safe to ignore empty outputs here, because these inputs are allowed
-        //     only for coinbase and coinstake transactions.
-        BOOST_FOREACH(const CTxOut& txout, vout)
-            if (txout.nValue < CENT && !txout.IsEmpty())
-                nMinFee += nBaseFee;
-    }
-    else if (nMinFee < nBaseFee)
-    {
-        // To limit dust spam, require MIN_TX_FEE/MIN_RELAY_TX_FEE if 
-        //    any output is less than 0.01
-        BOOST_FOREACH(const CTxOut& txout, vout)
-            if (txout.nValue < CENT)
-                nMinFee = nBaseFee;
     }
 
+    // To limit dust spam, require additional MIN_TX_FEE/MIN_RELAY_TX_FEE for
+    //    each non empty output which is less than 0.01
+    //
+    // It's safe to ignore empty outputs here, because these inputs are allowed
+    //     only for coinbase and coinstake transactions.
+    BOOST_FOREACH(const CTxOut& txout, vout)
+        if (txout.nValue < CENT && !txout.IsEmpty())
+            nMinFee += nBaseFee;
+
     // Raise the price as the block approaches full
     if (nBlockSize != 1 && nNewBlockSize >= MAX_BLOCK_SIZE_GEN/2)
     {
@@ -1278,13 +1263,14 @@ bool IsInitialBlockDownload()
         return true;
     static int64_t nLastUpdate;
     static CBlockIndex* pindexLastBest;
+    int64_t nCurrentTime = GetTime();
     if (pindexBest != pindexLastBest)
     {
         pindexLastBest = pindexBest;
-        nLastUpdate = GetTime();
+        nLastUpdate = nCurrentTime;
     }
-    return (GetTime() - nLastUpdate < 10 &&
-            pindexBest->GetBlockTime() < GetTime() - 24 * 60 * 60);
+    return (nCurrentTime - nLastUpdate < 10 &&
+            pindexBest->GetBlockTime() < nCurrentTime - 24 * 60 * 60);
 }
 
 void static InvalidChainFound(CBlockIndex* pindexNew)
@@ -2228,7 +2214,9 @@ bool CBlock::AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos)
         hashPrevBestCoinBase = vtx[0].GetHash();
     }
 
-    uiInterface.NotifyBlocksChanged();
+    static int8_t counter = 0;
+    if( (++counter & 0x0F) == 0 || !IsInitialBlockDownload()) // repaint every 16 blocks if not in initial block download
+        uiInterface.NotifyBlocksChanged();
     return true;
 }
 
@@ -2324,7 +2312,6 @@ bool CBlock::CheckBlock(bool fCheckPOW, bool fCheckMerkleRoot, bool fCheckSig) c
     if (fCheckMerkleRoot && hashMerkleRoot != BuildMerkleTree())
         return DoS(100, error("CheckBlock() : hashMerkleRoot mismatch"));
 
-
     return true;
 }
 
@@ -2512,7 +2499,7 @@ bool ProcessBlock(CNode* pfrom, CBlock* pblock)
         return error("ProcessBlock() : duplicate proof-of-stake (%s, %d) for block %s", pblock->GetProofOfStake().first.ToString().c_str(), pblock->GetProofOfStake().second, hash.ToString().c_str());
 
     // Preliminary checks
-    if (!pblock->CheckBlock())
+    if (!pblock->CheckBlock(true, true, (pblock->nTime > Checkpoints::GetLastCheckpointTime())))
         return error("ProcessBlock() : CheckBlock FAILED");
 
     // ppcoin: verify hash target and signature of coinstake tx