From f1b866ceb942ce697b611741e3561bbd52483052 Mon Sep 17 00:00:00 2001
From: taratorio <94537774+taratorio@users.noreply.github.com>
Date: Wed, 15 Jan 2025 15:45:04 +0000
Subject: [PATCH] backend: fix interface conversion: chain.BorConfig is nil

---
 eth/backend.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eth/backend.go b/eth/backend.go
index af8ff662077..8cd97584fd6 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -979,7 +979,7 @@ func New(ctx context.Context, stack *node.Node, config *ethconfig.Config, logger
 		}()
 	}
 
-	if config.PolygonSync {
+	if chainConfig.Bor != nil && config.PolygonSync {
 		backend.polygonSyncService = polygonsync.NewService(
 			logger,
 			chainConfig,