Kiln mev boost (#3062)

## Issue Addressed

MEV boost compatibility

## Proposed Changes

See #2987

## Additional Info

This is blocked on the stabilization of a couple specs, [here](https://github.com/ethereum/beacon-APIs/pull/194) and [here](https://github.com/flashbots/mev-boost/pull/20).

Additional TODO's and outstanding questions

- [ ] MEV boost JWT Auth
- [ ] Will `builder_proposeBlindedBlock` return the revealed payload for the BN to propogate
- [ ] Should we remove `private-tx-proposals` flag and communicate BN <> VC with blinded blocks by default once these endpoints enter the beacon-API's repo? This simplifies merge transition logic. 

Co-authored-by: realbigsean <seananderson33@gmail.com>
Co-authored-by: realbigsean <sean@sigmaprime.io>

testing/ef_tests/src/cases/operations.rs

@@ -17,8 +17,8 @@ use state_processing::per_block_processing::{
 use std::fmt::Debug;
 use std::path::Path;
 use types::{
-    Attestation, AttesterSlashing, BeaconBlock, BeaconState, ChainSpec, Deposit, EthSpec,
-    ExecutionPayload, ForkName, ProposerSlashing, SignedVoluntaryExit, SyncAggregate,
+    Attestation, AttesterSlashing, BeaconBlock, BeaconState, ChainSpec, Deposit, EthSpec, ForkName,
+    FullPayload, ProposerSlashing, SignedVoluntaryExit, SyncAggregate,
 };
 
 #[derive(Debug, Clone, Default, Deserialize)]
@@ -183,7 +183,12 @@ impl<E: EthSpec> Operation<E> for BeaconBlock<E> {
         spec: &ChainSpec,
         _: &Operations<E, Self>,
     ) -> Result<(), BlockProcessingError> {
-        process_block_header(state, self.to_ref(), VerifyBlockRoot::True, spec)?;
+        process_block_header(
+            state,
+            self.to_ref().temporary_block_header(),
+            VerifyBlockRoot::True,
+            spec,
+        )?;
         Ok(())
     }
 }
@@ -216,7 +221,7 @@ impl<E: EthSpec> Operation<E> for SyncAggregate<E> {
     }
 }
 
-impl<E: EthSpec> Operation<E> for ExecutionPayload<E> {
+impl<E: EthSpec> Operation<E> for FullPayload<E> {
     fn handler_name() -> String {
         "execution_payload".into()
     }

testing/ef_tests/src/type_name.rs

@@ -54,6 +54,7 @@ type_name!(DepositData);
 type_name!(DepositMessage);
 type_name!(Eth1Data);
 type_name_generic!(ExecutionPayload);
+type_name_generic!(FullPayload, "ExecutionPayload");
 type_name_generic!(ExecutionPayloadHeader);
 type_name!(Fork);
 type_name!(ForkData);