From 50e84156cc749b2dc3b603b4ad9f725aa52e0e53 Mon Sep 17 00:00:00 2001
From: tersec <tersec@users.noreply.github.com>
Date: Thu, 19 May 2022 20:36:47 +0000
Subject: [PATCH] only send JWT headers in Bellatrix-capable networks (#3645)

---
 beacon_chain/nimbus_beacon_node.nim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/beacon_chain/nimbus_beacon_node.nim b/beacon_chain/nimbus_beacon_node.nim
index d5909b378..36772fe3e 100644
--- a/beacon_chain/nimbus_beacon_node.nim
+++ b/beacon_chain/nimbus_beacon_node.nim
@@ -405,7 +405,7 @@ proc init*(T: type BeaconNode,
     quit 1
 
   let optJwtSecret =
-    block:
+    if cfg.BELLATRIX_FORK_EPOCH != FAR_FUTURE_EPOCH:
       let jwtSecret = rng[].checkJwtSecret(
         string(config.dataDir), config.jwtSecret)
       if jwtSecret.isErr:
@@ -414,6 +414,8 @@ proc init*(T: type BeaconNode,
          quit 1
 
       some jwtSecret.get
+    else:
+      none(seq[byte])
 
   template getDepositContractSnapshot: auto =
     if depositContractSnapshot.isSome: