1 files changed, 20 insertions, 19 deletions

diff --git a/src/main.h b/src/main.h
index 24b2cb2aa6..679ae75a47 100644
--- a/src/main.h
+++ b/src/main.h
@@ -44,10 +44,6 @@ static const unsigned int BLOCKFILE_CHUNK_SIZE = 0x1000000; // 16 MiB
 static const unsigned int UNDOFILE_CHUNK_SIZE = 0x100000; // 1 MiB
 /** Fake height value used in CCoins to signify they are only in the memory pool (since 0.8) */
 static const unsigned int MEMPOOL_HEIGHT = 0x7FFFFFFF;
-/** Fees smaller than this (in satoshi) are considered zero fee (for transaction creation) */
-static const int64 MIN_TX_FEE = 10000;
-/** Fees smaller than this (in satoshi) are considered zero fee (for relaying) */
-static const int64 MIN_RELAY_TX_FEE = 10000;
 /** No amount larger than this (in satoshi) is valid */
 static const int64 MAX_MONEY = 21000000 * COIN;
 inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
@@ -73,6 +69,7 @@ extern CScript COINBASE_FLAGS;
 
 extern CCriticalSection cs_main;
 extern std::map<uint256, CBlockIndex*> mapBlockIndex;
+extern std::vector<CBlockIndex*> vBlockIndexByHeight;
 extern std::set<CBlockIndex*, CBlockIndexWorkComparator> setBlockIndexValid;
 extern uint256 hashGenesisBlock;
 extern CBlockIndex* pindexGenesisBlock;
@@ -439,6 +436,8 @@ public:
         return !(a == b);
     }
 
+    bool IsDust() const;
+
     std::string ToString() const
     {
         if (scriptPubKey.size() < 6)
@@ -467,6 +466,8 @@ enum GetMinFee_mode
 class CTransaction
 {
 public:
+    static int64 nMinTxFee;
+    static int64 nMinRelayTxFee;
     static const int CURRENT_VERSION=1;
     int nVersion;
     std::vector<CTxIn> vin;
@@ -659,7 +660,7 @@ public:
                      std::vector<CScriptCheck> *pvChecks = NULL) const;
 
     // Apply the effects of this transaction on the UTXO set represented by view
-    bool UpdateCoins(CValidationState &state, CCoinsViewCache &view, CTxUndo &txundo, int nHeight, const uint256 &txhash) const;
+    void UpdateCoins(CValidationState &state, CCoinsViewCache &view, CTxUndo &txundo, int nHeight, const uint256 &txhash) const;
 
     // Context-independent validity checks
     bool CheckTransaction(CValidationState &state) const;
@@ -1589,10 +1590,8 @@ enum BlockStatus {
 
 /** The block chain is a tree shaped structure starting with the
  * genesis block at the root, with each block potentially having multiple
- * candidates to be the next block.  pprev and pnext link a path through the
- * main/longest chain.  A blockindex may have multiple pprev pointing back
- * to it, but pnext will only point forward to the longest branch, or will
- * be null if the block is not part of the longest chain.
+ * candidates to be the next block. A blockindex may have multiple pprev pointing
+ * to it, but at most one of them can be part of the currently active branch.
  */
 class CBlockIndex
 {
@@ -1603,9 +1602,6 @@ public:
     // pointer to the index of the predecessor of this block
     CBlockIndex* pprev;
 
-    // (memory only) pointer to the index of the *active* successor of this block
-    CBlockIndex* pnext;
-
     // height of the entry in the chain. The genesis block has height 0
     int nHeight;
 
@@ -1643,7 +1639,6 @@ public:
     {
         phashBlock = NULL;
         pprev = NULL;
-        pnext = NULL;
         nHeight = 0;
         nFile = 0;
         nDataPos = 0;
@@ -1664,7 +1659,6 @@ public:
     {
         phashBlock = NULL;
         pprev = NULL;
-        pnext = NULL;
         nHeight = 0;
         nFile = 0;
         nDataPos = 0;
@@ -1733,7 +1727,11 @@ public:
 
     bool IsInMainChain() const
     {
-        return (pnext || this == pindexBest);
+        return nHeight < (int)vBlockIndexByHeight.size() && vBlockIndexByHeight[nHeight] == this;
+    }
+
+    CBlockIndex *GetNextInMainChain() const {
+        return nHeight+1 >= (int)vBlockIndexByHeight.size() ? NULL : vBlockIndexByHeight[nHeight+1];
     }
 
     bool CheckIndex() const
@@ -1762,9 +1760,9 @@ public:
         const CBlockIndex* pindex = this;
         for (int i = 0; i < nMedianTimeSpan/2; i++)
         {
-            if (!pindex->pnext)
+            if (!pindex->GetNextInMainChain())
                 return GetBlockTime();
-            pindex = pindex->pnext;
+            pindex = pindex->GetNextInMainChain();
         }
         return pindex->GetMedianTimePast();
     }
@@ -1779,7 +1777,7 @@ public:
     std::string ToString() const
     {
         return strprintf("CBlockIndex(pprev=%p, pnext=%p, nHeight=%d, merkle=%s, hashBlock=%s)",
-            pprev, pnext, nHeight,
+            pprev, GetNextInMainChain(), nHeight,
             hashMerkleRoot.ToString().c_str(),
             GetBlockHash().ToString().c_str());
     }
@@ -2096,11 +2094,14 @@ extern CTxMemPool mempool;
 struct CCoinsStats
 {
     int nHeight;
+    uint256 hashBlock;
     uint64 nTransactions;
     uint64 nTransactionOutputs;
     uint64 nSerializedSize;
+    uint256 hashSerialized;
+    int64 nTotalAmount;
 
-    CCoinsStats() : nHeight(0), nTransactions(0), nTransactionOutputs(0), nSerializedSize(0) {}
+    CCoinsStats() : nHeight(0), hashBlock(0), nTransactions(0), nTransactionOutputs(0), nSerializedSize(0), hashSerialized(0), nTotalAmount(0) {}
 };
 
 /** Abstract view on the open txout dataset. */