Remove PersistedBeaconChain write

dapplion · dapplion · commit 9ce4b33e4ec8 · 2024-12-25T01:53:07.000+08:00
diff --git a/beacon_node/beacon_chain/src/migrate.rs b/beacon_node/beacon_chain/src/migrate.rs
@@ -713,16 +713,6 @@ impl<E: EthSpec, Hot: ItemStore<E>, Cold: ItemStore<E>> BackgroundMigrator<E, Ho
             }))
             .collect();
 
-        // Persist the head in case the process is killed or crashes here. This prevents
-        // the head tracker reverting after our mutation above.
-        let persisted_head = PersistedBeaconChain {
-            _canonical_head_block_root: DUMMY_CANONICAL_HEAD_BLOCK_ROOT,
-            genesis_block_root,
-        };
-        batch.push(StoreOp::KeyValueOp(
-            persisted_head.as_kv_store_op(BEACON_CHAIN_DB_KEY),
-        ));
-
         // Prune sync committee branches of non-checkpoint canonical finalized blocks
         Self::prune_non_checkpoint_sync_committee_branches(&newly_finalized_blocks, &mut batch);
         // Prune all payloads of the canonical finalized blocks
