Add Fulu boilerplate (#6695)

* Add Fulu boilerplate

* Add more boilerplate

* Change fulu_time to osaka_time

* Merge branch 'unstable' into fulu-boilerplate

* Fix tests

* Merge branch 'unstable' into fulu-boilerplate

* More test fixes

* Apply suggestions

* Remove `get_payload` boilerplate

* Add lightclient fulu types and fix beacon-chain-tests

* Disable Fulu in ef-tests

* Reduce boilerplate for future forks

* Small fixes

* One more fix

* Apply suggestions

* Merge branch 'unstable' into fulu-boilerplate

* Fix lints

consensus/fork_choice/src/fork_choice.rs

@@ -755,20 +755,15 @@ where
             if let Some((parent_justified, parent_finalized)) = parent_checkpoints {
                 (parent_justified, parent_finalized)
             } else {
-                let justification_and_finalization_state = match block {
-                    BeaconBlockRef::Electra(_)
-                    | BeaconBlockRef::Deneb(_)
-                    | BeaconBlockRef::Capella(_)
-                    | BeaconBlockRef::Bellatrix(_)
-                    | BeaconBlockRef::Altair(_) => {
+                let justification_and_finalization_state =
+                    if block.fork_name_unchecked().altair_enabled() {
                         // NOTE: Processing justification & finalization requires the progressive
                         // balances cache, but we cannot initialize it here as we only have an
                         // immutable reference. The state *should* have come straight from block
                         // processing, which initialises the cache, but if we add other `on_block`
                         // calls in future it could be worth passing a mutable reference.
                         per_epoch_processing::altair::process_justification_and_finalization(state)?
-                    }
-                    BeaconBlockRef::Base(_) => {
+                    } else {
                         let mut validator_statuses =
                             per_epoch_processing::base::ValidatorStatuses::new(state, spec)
                                 .map_err(Error::ValidatorStatuses)?;
@@ -780,8 +775,7 @@ where
                             &validator_statuses.total_balances,
                             spec,
                         )?
-                    }
-                };
+                    };
 
                 (
                     justification_and_finalization_state.current_justified_checkpoint(),