Merge pull request #1568 from blackjok3rtt/FSM

various bug fixes

src/rpc/mining.cpp

@@ -745,7 +745,8 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp)
 #endif
         ENTER_CRITICAL_SECTION(cs_main);
         if (!pblocktemplate)
-            throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory or no available utxo for staking");
+            throw std::runtime_error("CreateNewBlock(): create block failed");
+            //throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory or no available utxo for staking");
 
         // Need to update only after we know CreateNewBlockWithKey succeeded
         pindexPrev = pindexPrevNew;