Do not resurrect staking transactions and lose stake age when no block won

src/komodo_bitcoind.h

@@ -1330,7 +1330,7 @@ bool verusCheckPOSBlock(int32_t slowflag, CBlock *pblock, int32_t height)
                             strcpy(voutaddr, CBitcoinAddress(voutaddress).ToString().c_str());
                             strcpy(destaddr, CBitcoinAddress(destaddress).ToString().c_str());
                             strcpy(cbaddr, CBitcoinAddress(cbaddress).ToString().c_str());
-                            if ( !strcmp(destaddr,voutaddr) && strcmp(destaddr,cb) )
+                            if ( !strcmp(destaddr,voutaddr) && (strcmp(destaddr,cb) || (height < 6480)) )
                             {
                                 isPOS = true;
                             }

src/main.cpp

@@ -3138,12 +3138,15 @@ bool static DisconnectTip(CValidationState &state, bool fBare = false) {
         return false;
     
     if (!fBare) {
-        // Resurrect mempool transactions from the disconnected block.
-        BOOST_FOREACH(const CTransaction &tx, block.vtx) {
+        // resurrect mempool transactions from the disconnected block.
+        for (int i = 0; i < block.vtx.size(); i++)
+        {
             // ignore validation errors in resurrected transactions
+            CTransaction &tx = block.vtx[i];
             list<CTransaction> removed;
             CValidationState stateDummy;
-            if (tx.IsCoinBase() || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL))
+            // don't keep staking transactions
+            if (tx.IsCoinBase() || (block.IsVerusPOSBlock() && (i == (block.vtx.size() - 1))) || !AcceptToMemoryPool(mempool, stateDummy, tx, false, NULL))
                 mempool.remove(tx, removed, true);
         }
         if (anchorBeforeDisconnect != anchorAfterDisconnect) {