Gloas spec v1.7.0-alpha.5 and beacon_chain tests (#8998)

Fix database pruning post-Gloas


  - Fix DB pruning logic (and state summaries DAG)
- Get the `beacon_chain` tests running with `FORK_NAME=gloas` 🎉


Co-Authored-By: Michael Sproul <michael@sigmaprime.io>

Co-Authored-By: Jimmy Chen <jchen.tc@gmail.com>

Co-Authored-By: Eitan Seri- Levi <eserilev@gmail.com>

Co-Authored-By: dapplion <35266934+dapplion@users.noreply.github.com>

Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>

beacon_node/beacon_chain/src/errors.rs

@@ -63,6 +63,7 @@ pub enum BeaconChainError {
     ForkChoiceStoreError(ForkChoiceStoreError),
     MissingBeaconBlock(Hash256),
     MissingBeaconState(Hash256),
+    MissingExecutionPayloadEnvelope(Hash256),
     MissingHotStateSummary(Hash256),
     SlotProcessingError(SlotProcessingError),
     EpochProcessingError(EpochProcessingError),
@@ -294,9 +295,6 @@ pub enum BlockProductionError {
     BeaconStateError(BeaconStateError),
     StateAdvanceError(StateAdvanceError),
     OpPoolError(OpPoolError),
-    /// The `BeaconChain` was explicitly configured _without_ a connection to eth1, therefore it
-    /// cannot produce blocks.
-    NoEth1ChainConnection,
     StateSlotTooHigh {
         produce_at_slot: Slot,
         state_slot: Slot,
@@ -324,6 +322,8 @@ pub enum BlockProductionError {
     SszTypesError(ssz_types::Error),
     EnvelopeProcessingError(EnvelopeProcessingError),
     BlsError(bls::Error),
+    MissingParentExecutionPayload,
+    MissingExecutionPayloadEnvelope(Hash256),
     // TODO(gloas): Remove this once Gloas is implemented
     GloasNotImplemented(String),
 }