From 63ca3bfb296273aa40bbd72d20ecf13b3557f342 Mon Sep 17 00:00:00 2001
From: Emilia Hane <emiliaha95@gmail.com>
Date: Tue, 24 Jan 2023 09:41:23 +0100
Subject: [PATCH] Prune from highest data availability boundary

---
 beacon_node/beacon_chain/src/migrate.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/beacon_node/beacon_chain/src/migrate.rs b/beacon_node/beacon_chain/src/migrate.rs
index cf4dd7216..51cd88434 100644
--- a/beacon_node/beacon_chain/src/migrate.rs
+++ b/beacon_node/beacon_chain/src/migrate.rs
@@ -345,7 +345,13 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> BackgroundMigrator<E, Ho
                             }
                             (Notification::Finalization(_), Notification::PruneBlobs(_)) => best,
                             (Notification::PruneBlobs(_), Notification::Finalization(_)) => other,
-                            (Notification::PruneBlobs(_), Notification::PruneBlobs(_)) => best,
+                            (Notification::PruneBlobs(dab1), Notification::PruneBlobs(dab2)) => {
+                                if dab2 > dab2 {
+                                    other
+                                } else {
+                                    best
+                                }
+                            }
                         });
 
                 match notif {