Improved mnw sync

src/masternode-payments.cpp

@@ -763,6 +763,26 @@ std::string CMasternodePayments::ToString() const
 }
 
 
+
+int CMasternodePayments::GetOldestBlock()
+{
+    LOCK(cs_masternodepayments);
+
+    int nOldestBlock = std::numeric_limits<int>::max();
+
+    std::map<int, CMasternodeBlockPayees>::iterator it = mapMasternodeBlocks.begin();
+    while(it != mapMasternodeBlocks.end()) {
+        if((*it).first < nOldestBlock) {
+            nOldestBlock = (*it).first;
+        }
+        it++;
+    }
+
+    return nOldestBlock;
+}
+
+
+
 int CMasternodePayments::GetNewestBlock()
 {
     LOCK(cs_masternodepayments);

src/masternode-payments.h

@@ -243,6 +243,7 @@ public:
     std::string GetRequiredPaymentsString(int nBlockHeight);
     void FillBlockPayee(CMutableTransaction& txNew, int64_t nFees);
     std::string ToString() const;
+    int GetOldestBlock();
     int GetNewestBlock();
 
     ADD_SERIALIZE_METHODS;

src/masternode-sync.cpp

@@ -174,8 +174,14 @@ void CMasternodeSync::Process()
                     CBlockIndex* pindexPrev = chainActive.Tip();
                     if(pindexPrev == NULL) return;
 
+                    int nMnCount = mnodeman.CountEnabled()*1.1;
                     int nCountNeeded = (pindexPrev->nHeight - masternodePayments.GetNewestBlock());
-                    if(mnodeman.CountEnabled()*1.1 < nCountNeeded) nCountNeeded = mnodeman.CountEnabled()*1.1;
+                    int nHaveBlocks = (pindexPrev->nHeight - masternodePayments.GetOldestBlock());
+                    if(nHaveBlocks < nMnCount || nCountNeeded > nMnCount) { 
+                        //We have less blocks than there are masternodes, we need more history
+                        // - or our cache is old
+                        nCountNeeded = nMnCount;
+                    }
 
                     pnode->PushMessage("mnget", nCountNeeded); //sync payees
                     RequestedMasternodeAttempt++;

src/rpcmasternode.cpp

@@ -453,7 +453,7 @@ Value masternode(const Array& params, bool fHelp)
         int nLast = 10;
 
         if (params.size() >= 2){
-            nLast = params[1].get_int();
+            nLast = atoi(params[1].get_str());
         }
 
         Object obj;