In-memory tree states (#5533)

* Consensus changes

* EF tests

* lcli

* common and watch

* account manager

* cargo

* fork choice

* promise cache

* beacon chain

* interop genesis

* http api

* lighthouse

* op pool

* beacon chain misc

* parallel state cache

* store

* fix issues in store

* IT COMPILES

* Remove some unnecessary module qualification

* Revert Arced pubkey optimization (#5536)

* Merge remote-tracking branch 'origin/unstable' into tree-states-memory

* Fix caching, rebasing and some tests

* Remove unused deps

* Merge remote-tracking branch 'origin/unstable' into tree-states-memory

* Small cleanups

* Revert shuffling cache/promise cache changes

* Fix state advance bugs

* Fix shuffling tests

* Remove some resolved FIXMEs

* Remove StateProcessingStrategy

* Optimise withdrawals calculation

* Don't reorg if state cache is missed

* Remove inconsistent state func

* Fix beta compiler

* Rebase early, rebase often

* Fix state caching behaviour

* Update to milhouse release

* Fix on-disk consensus context format

* Merge remote-tracking branch 'origin/unstable' into tree-states-memory

* Squashed commit of the following:

commit 3a16649023
Author: Michael Sproul <michael@sigmaprime.io>
Date:   Thu Apr 18 14:26:09 2024 +1000

    Fix on-disk consensus context format

* Keep indexed attestations, thanks Sean

* Merge branch 'on-disk-consensus-context' into tree-states-memory

* Merge branch 'unstable' into tree-states-memory

* Address half of Sean's review

* More simplifications from Sean's review

* Cache state after get_advanced_hot_state

beacon_node/beacon_chain/tests/payload_invalidation.rs

@@ -223,7 +223,7 @@ impl InvalidPayloadRig {
         let mock_execution_layer = self.harness.mock_execution_layer.as_ref().unwrap();
 
         let head = self.harness.chain.head_snapshot();
-        let state = head.beacon_state.clone_with_only_committee_caches();
+        let state = head.beacon_state.clone();
         let slot = slot_override.unwrap_or(state.slot() + 1);
         let ((block, blobs), post_state) = self.harness.make_block(state, slot).await;
         let block_root = block.canonical_root();
@@ -2048,7 +2048,7 @@ async fn weights_after_resetting_optimistic_status() {
             .fork_choice_read_lock()
             .get_block_weight(&head.head_block_root())
             .unwrap(),
-        head.snapshot.beacon_state.validators()[0].effective_balance,
+        head.snapshot.beacon_state.validators().get(0).unwrap().effective_balance,
         "proposer boost should be removed from the head block and the vote of a single validator applied"
     );