Prevent too big tx to enter mempool

src/main.cpp

@@ -1808,7 +1808,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
         CAmount nValueOut = tx.GetValueOut();
         CAmount nFees = nValueIn-nValueOut;
         double dPriority = view.GetPriority(tx, chainActive.Height());
-        if ( KOMODO_VALUETOOBIG(nValueOut) != 0 )
+        if ( KOMODO_VALUETOOBIG(nValueOut - 777777*COIN) != 0 ) // some room for blockreward and txfees
             return state.DoS(100, error("AcceptToMemoryPool: GetValueOut too big"),REJECT_INVALID,"tx valueout is too big");
   
         // Keep track of transactions that spend a coinbase, which we re-scan