[CORE] Spam checking fix

configure.ac

@@ -3,7 +3,7 @@ AC_PREREQ([2.60])
 define(_CLIENT_VERSION_MAJOR, 3)
 define(_CLIENT_VERSION_MINOR, 1)
 define(_CLIENT_VERSION_REVISION, 1)
-define(_CLIENT_VERSION_BUILD, 2)
+define(_CLIENT_VERSION_BUILD, 3)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2018)
 AC_INIT([Bettex Core],[_CLIENT_VERSION_MAJOR._CLIENT_VERSION_MINOR._CLIENT_VERSION_REVISION],[www.bettex.bet],[bettex])

src/clientversion.h

@@ -18,7 +18,7 @@
 #define CLIENT_VERSION_MAJOR 3
 #define CLIENT_VERSION_MINOR 1
 #define CLIENT_VERSION_REVISION 1
-#define CLIENT_VERSION_BUILD 2
+#define CLIENT_VERSION_BUILD 3
 
 //! Set to true for release, false for prerelease or test build
 #define CLIENT_VERSION_IS_RELEASE true

src/main.cpp

@@ -422,7 +422,7 @@ CNodeState* State(NodeId pnode)
 {
     map<NodeId, CNodeState>::iterator it = mapNodeState.find(pnode);
     if (it == mapNodeState.end())
-        return NULL;
+        return nullptr;
     return &it->second;
 }
 
@@ -4466,17 +4466,17 @@ bool ProcessNewBlock(CValidationState& state, CNode* pfrom, CBlock* pblock, CDis
         }
 
         // Store to disk
-        CBlockIndex* pindex = NULL;
+        CBlockIndex* pindex = nullptr;
         bool ret = AcceptBlock (*pblock, state, &pindex, dbp, checked);
         if (pindex && pfrom) {
             mapBlockSource[pindex->GetBlockHash ()] = pfrom->GetId ();
         }
         CheckBlockIndex ();
         if (!ret) {
             // Check spamming
-            if(GetBoolArg("-blockspamfilter", DEFAULT_BLOCK_SPAM_FILTER)) {
+            if(pfrom && GetBoolArg("-blockspamfilter", DEFAULT_BLOCK_SPAM_FILTER)) {
                 CNodeState *nodestate = State(pfrom->GetId());
-                if (nodestate) {
+                if (nodestate != nullptr) {
                     nodestate->nodeBlocks.onBlockReceived(pindex->nHeight);
                     bool nodeStatus = true;
                     // UpdateState will return false if the node is attacking us or update the score and return true.