From 82f20371a2c19322a470f1b08c151a949ad45228 Mon Sep 17 00:00:00 2001
From: Nico Flaig <nflaig@protonmail.com>
Date: Thu, 23 Jan 2025 10:40:54 +0000
Subject: [PATCH] fix: do not register validator statuses for epoch -1 (#7392)

---
 packages/beacon-node/src/metrics/validatorMonitor.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/beacon-node/src/metrics/validatorMonitor.ts b/packages/beacon-node/src/metrics/validatorMonitor.ts
index 1c9a093656c..86ab9edaa54 100644
--- a/packages/beacon-node/src/metrics/validatorMonitor.ts
+++ b/packages/beacon-node/src/metrics/validatorMonitor.ts
@@ -306,6 +306,11 @@ export function createValidatorMonitor(
       lastRegisteredStatusEpoch = currentEpoch;
       const previousEpoch = currentEpoch - 1;
 
+      // There won't be any validator activity in epoch -1
+      if (previousEpoch === -1) {
+        return;
+      }
+
       for (const [index, monitoredValidator] of validators.entries()) {
         // We subtract two from the state of the epoch that generated these summaries.
         //