From b5abfe620a12bb9ac9c1a2819c89422d7995f244 Mon Sep 17 00:00:00 2001
From: Emilia Hane <emiliaha95@gmail.com>
Date: Mon, 16 Jan 2023 08:35:09 +0100
Subject: [PATCH] Convert epochs_per_blob_prune to Epoch once

---
 beacon_node/src/config.rs               | 3 ++-
 beacon_node/store/src/hot_cold_store.rs | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/beacon_node/src/config.rs b/beacon_node/src/config.rs
index 14d40db03..6758ba3b4 100644
--- a/beacon_node/src/config.rs
+++ b/beacon_node/src/config.rs
@@ -418,7 +418,8 @@ pub fn get_config<E: EthSpec>(
     if let Some(epochs_per_blob_prune) =
         clap_utils::parse_optional(cli_args, "epochs-per-blob-prune")?
     {
-        client_config.store.epochs_per_blob_prune = epochs_per_blob_prune;
+        client_config.store.epochs_per_blob_prune =
+            Epoch::new(epochs_per_blob_prune * E::slots_per_epoch());
     }
 
     /*
diff --git a/beacon_node/store/src/hot_cold_store.rs b/beacon_node/store/src/hot_cold_store.rs
index b81610c90..6b2b193f8 100644
--- a/beacon_node/store/src/hot_cold_store.rs
+++ b/beacon_node/store/src/hot_cold_store.rs
@@ -1722,9 +1722,9 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> HotColdDB<E, Hot, Cold>
         };
 
         if !force {
-            let epochs_per_blob_prune =
-                Epoch::new(self.get_config().epochs_per_blob_prune * E::slots_per_epoch());
-            if blob_info.last_pruned_epoch + epochs_per_blob_prune > blob_info.next_epoch_to_prune {
+            if blob_info.last_pruned_epoch + self.get_config().epochs_per_blob_prune
+                > blob_info.next_epoch_to_prune
+            {
                 info!(self.log, "Blobs sidecars are pruned");
                 return Ok(());
             }