From a00d95bf1ae9840adfb8bd1048539555f2b44020 Mon Sep 17 00:00:00 2001
From: Daniel Liu <139250065@qq.com>
Date: Sat, 13 Sep 2025 10:40:18 +0800
Subject: [PATCH] eth/tracers/native: remove unnecessary check #30071 (#1477)

---
 eth/tracers/native/call_flat.go | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/eth/tracers/native/call_flat.go b/eth/tracers/native/call_flat.go
index a2a218963b..c664272ffb 100644
--- a/eth/tracers/native/call_flat.go
+++ b/eth/tracers/native/call_flat.go
@@ -274,16 +274,14 @@ func flatFromNested(input *callFrame, traceAddress []int, convertErrs bool, ctx
 	}
 
 	output = append(output, *frame)
-	if len(input.Calls) > 0 {
-		for i, childCall := range input.Calls {
-			childAddr := childTraceAddress(traceAddress, i)
-			childCallCopy := childCall
-			flat, err := flatFromNested(&childCallCopy, childAddr, convertErrs, ctx)
-			if err != nil {
-				return nil, err
-			}
-			output = append(output, flat...)
+	for i, childCall := range input.Calls {
+		childAddr := childTraceAddress(traceAddress, i)
+		childCallCopy := childCall
+		flat, err := flatFromNested(&childCallCopy, childAddr, convertErrs, ctx)
+		if err != nil {
+			return nil, err
 		}
+		output = append(output, flat...)
 	}
 
 	return output, nil