From 4178b1170ca9531d0e4042ca235829578942dc71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ste=CC=81phane=20Duchesneau?=
 <stephane.duchesneau@streamingfast.io>
Date: Tue, 25 Mar 2025 09:42:50 -0400
Subject: [PATCH] prevent panic in tests with tracer/firehose for nil chainID

---
 eth/tracers/firehose.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/eth/tracers/firehose.go b/eth/tracers/firehose.go
index 9d30c30f21..4d2cbefbe2 100644
--- a/eth/tracers/firehose.go
+++ b/eth/tracers/firehose.go
@@ -1791,6 +1791,9 @@ func (f *Firehose) isChainOneOf(chainIDs ...*big.Int) bool {
 }
 
 func isChainIDOneOf(actualChainID *big.Int, chainIDs ...*big.Int) bool {
+	if actualChainID == nil {
+		return false
+	}
 	for _, chainID := range chainIDs {
 		if actualChainID.Cmp(chainID) == 0 {
 			return true