1 files changed, 16 insertions, 9 deletions
diff --git a/core/vm/logger.go b/core/vm/logger.go
index 17a9c9ec3..b73b13bd9 100644
--- a/core/vm/logger.go
+++ b/core/vm/logger.go
@@ -196,20 +196,27 @@ func (l *StructLogger) StructLogs() []StructLog {
 // WriteTrace writes a formatted trace to the given writer
 func WriteTrace(writer io.Writer, logs []StructLog) {
 	for _, log := range logs {
-		fmt.Fprintf(writer, "%-10spc=%08d gas=%v cost=%v", log.Op, log.Pc, log.Gas, log.GasCost)
+		fmt.Fprintf(writer, "%-16spc=%08d gas=%v cost=%v", log.Op, log.Pc, log.Gas, log.GasCost)
 		if log.Err != nil {
 			fmt.Fprintf(writer, " ERROR: %v", log.Err)
 		}
-		fmt.Fprintf(writer, "\n")
+		fmt.Fprintln(writer)
 
-		for i := len(log.Stack) - 1; i >= 0; i-- {
-			fmt.Fprintf(writer, "%08d  %x\n", len(log.Stack)-i-1, math.PaddedBigBytes(log.Stack[i], 32))
+		if len(log.Stack) > 0 {
+			fmt.Fprintln(writer, "Stack:")
+			for i := len(log.Stack) - 1; i >= 0; i-- {
+				fmt.Fprintf(writer, "%08d  %x\n", len(log.Stack)-i-1, math.PaddedBigBytes(log.Stack[i], 32))
+			}
 		}
-
-		fmt.Fprint(writer, hex.Dump(log.Memory))
-
-		for h, item := range log.Storage {
-			fmt.Fprintf(writer, "%x: %x\n", h, item)
+		if len(log.Memory) > 0 {
+			fmt.Fprintln(writer, "Memory:")
+			fmt.Fprint(writer, hex.Dump(log.Memory))
+		}
+		if len(log.Storage) > 0 {
+			fmt.Fprintln(writer, "Storage:")
+			for h, item := range log.Storage {
+				fmt.Fprintf(writer, "%x: %x\n", h, item)
+			}
 		}
 		fmt.Fprintln(writer)
 	}