add delayed processing logic and combine some requests

beacon_node/beacon_chain/src/blob_verification.rs

@@ -372,6 +372,17 @@ pub enum MaybeAvailableBlock<E: EthSpec> {
     AvailabilityPending(AvailabilityPendingBlock<E>),
 }
 
+impl<E: EthSpec> MaybeAvailableBlock<E> {
+    pub fn get_missing_blob_ids(&self) -> Option<&Vec<BlobIdentifier>> {
+        match self {
+            MaybeAvailableBlock::Available(_) => None,
+            MaybeAvailableBlock::AvailabilityPending(pending_block) => {
+                Some(pending_block.get_missing_blob_ids())
+            }
+        }
+    }
+}
+
 /// Trait for common block operations.
 pub trait AsBlock<E: EthSpec> {
     fn slot(&self) -> Slot;