From fa97788c757a07c0dd038db5ef1a05ee9158e2e6 Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Tue, 13 Dec 2022 08:32:29 -0500
Subject: [PATCH] eth/tracers/native: fix possible crash in prestate tracer
(#26351)
---
eth/tracers/native/prestate.go | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/eth/tracers/native/prestate.go b/eth/tracers/native/prestate.go
index 9313d0769..10008699b 100644
--- a/eth/tracers/native/prestate.go
+++ b/eth/tracers/native/prestate.go
@@ -45,7 +45,7 @@ type account struct {
}
func (a *account) exists() bool {
- return a.Balance.Sign() != 0 || a.Nonce > 0 || len(a.Code) > 0 || len(a.Storage) > 0
+ return a.Nonce > 0 || len(a.Code) > 0 || len(a.Storage) > 0 || (a.Balance != nil && a.Balance.Sign() != 0)
}
type accountMarshaling struct {
--
2.18.1