check nil pointer of tracerConfig

3 years ago · 9f6c94e93e
parent b161a39f59
commit 9f6c94e93e
1 changed files with 1 additions and 1 deletions
--- a/hmy/tracer.go
+++ b/hmy/tracer.go
@ -418,7 +418,7 @@ func (hmy *Harmony) TraceBlock(ctx context.Context, block *types.Block, config *
 	default:
 	}

-	if *config.Tracer == "ParityBlockTracer" {
+	if config != nil && config.Tracer != nil && *config.Tracer == "ParityBlockTracer" {
 		return hmy.traceBlockNoThread(ctx, block, config)
 	}
 	// Create the parent state database