Moved logging to target functions rather than caller

src/cryptonote_core/miner.cpp

@@ -278,7 +278,10 @@ namespace cryptonote
   //-----------------------------------------------------------------------------------------------------
   bool miner::stop()
   {
+    LOG_PRINT_L1("Miner has received stop signal");
+
     if (!is_mining())
+      LOG_PRINT_L1("Not mining - nothing to stop" );
       return true;
 
     send_stop_signal();