Load the state corresponding to head payload status yay

beacon_node/beacon_chain/src/builder.rs

@@ -45,7 +45,7 @@ use tree_hash::TreeHash;
 use types::data::CustodyIndex;
 use types::{
     BeaconBlock, BeaconState, BlobSidecarList, ChainSpec, ColumnIndex, DataColumnSidecarList,
-    Epoch, EthSpec, Hash256, SignedBeaconBlock, Slot, StatePayloadStatus,
+    Epoch, EthSpec, Hash256, SignedBeaconBlock, Slot,
 };
 
 /// An empty struct used to "witness" all the `BeaconChainTypes` traits. It has no user-facing
@@ -786,13 +786,12 @@ where
             .map_err(|e| descriptive_db_error("head block", &e))?
             .ok_or("Head block not found in store")?;
 
-        // TODO(gloas): update head loading to load Full block once fork choice works
-        let payload_status = StatePayloadStatus::Pending;
+        let state_payload_status = head_payload_status.as_state_payload_status();
 
         let (_head_state_root, head_state) = store
             .get_advanced_hot_state(
                 head_block_root,
-                payload_status,
+                state_payload_status,
                 current_slot,
                 head_block.state_root(),
             )

consensus/proto_array/src/proto_array_fork_choice.rs

@@ -18,7 +18,7 @@ use std::{
 };
 use types::{
     AttestationShufflingId, ChainSpec, Checkpoint, Epoch, EthSpec, ExecutionBlockHash, Hash256,
-    Slot,
+    Slot, StatePayloadStatus,
 };
 
 pub const DEFAULT_PRUNE_THRESHOLD: usize = 256;
@@ -69,6 +69,19 @@ pub enum PayloadStatus {
     Pending = 2,
 }
 
+impl PayloadStatus {
+    /// Convert a `PayloadStatus` into the equivalent `StatePayloadStatus`.
+    ///
+    /// This maps `Empty` onto `StatePayloadStatus::Pending` because empty and pending fork choice
+    /// nodes correspond to the exact same state.
+    pub fn as_state_payload_status(self) -> StatePayloadStatus {
+        match self {
+            Self::Empty | Self::Pending => StatePayloadStatus::Pending,
+            Self::Full => StatePayloadStatus::Full,
+        }
+    }
+}
+
 /// Spec's `ForkChoiceNode` augmented with ProtoNode index.
 pub struct IndexedForkChoiceNode {
     pub root: Hash256,