Only log to stderr in CalculateNextWorkRequired and GetNextWorkRequired if -debug

src/pow.cpp

@@ -503,8 +503,9 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
         nbits = bnTarget.GetCompact();
         nbits = (nbits & 0xfffffffc) | zawyflag;
     }
-    //if(fDebug)
+    if(fDebug) {
         fprintf(stderr,"%s: nbits=%d\n", __func__, nbits);
+    }
     return(nbits);
 }
 
@@ -537,11 +538,15 @@ unsigned int CalculateNextWorkRequired(arith_uint256 bnAvg,
 
     if ( ASSETCHAINS_ADAPTIVEPOW <= 0 ) {
         if (nActualTimespan < params.MinActualTimespan()) {
-            fprintf(stderr,"%s: Adjusting nActualTimespan up to min value %li\n", __func__, params.MinActualTimespan() );
+            if(fDebug) {
+                fprintf(stderr,"%s: Adjusting nActualTimespan up to min value %li\n", __func__, params.MinActualTimespan() );
+            }
             nActualTimespan = params.MinActualTimespan();
         }
         if (nActualTimespan > params.MaxActualTimespan()) {
-            fprintf(stderr,"%s: Adjusting nActualTimespan down to max value %li\n", __func__, params.MaxActualTimespan() );
+            if(fDebug) {
+                fprintf(stderr,"%s: Adjusting nActualTimespan down to max value %li\n", __func__, params.MaxActualTimespan() );
+            }
             nActualTimespan = params.MaxActualTimespan();
         }
     }