Fix some typos (#4565)

beacon_node/beacon_chain/src/beacon_chain.rs

@@ -164,7 +164,7 @@ pub enum WhenSlotSkipped {
     ///
     /// This is how the HTTP API behaves.
     None,
-    /// If the slot it a skip slot, return the previous non-skipped block.
+    /// If the slot is a skip slot, return the previous non-skipped block.
     ///
     /// This is generally how the specification behaves.
     Prev,

beacon_node/beacon_chain/src/beacon_proposer_cache.rs

@@ -135,7 +135,7 @@ impl BeaconProposerCache {
 
 /// Compute the proposer duties using the head state without cache.
 pub fn compute_proposer_duties_from_head<T: BeaconChainTypes>(
-    current_epoch: Epoch,
+    request_epoch: Epoch,
     chain: &BeaconChain<T>,
 ) -> Result<(Vec<usize>, Hash256, ExecutionStatus, Fork), BeaconChainError> {
     // Atomically collect information about the head whilst holding the canonical head `Arc` as
@@ -159,7 +159,7 @@ pub fn compute_proposer_duties_from_head<T: BeaconChainTypes>(
         .ok_or(BeaconChainError::HeadMissingFromForkChoice(head_block_root))?;
 
     // Advance the state into the requested epoch.
-    ensure_state_is_in_epoch(&mut state, head_state_root, current_epoch, &chain.spec)?;
+    ensure_state_is_in_epoch(&mut state, head_state_root, request_epoch, &chain.spec)?;
 
     let indices = state
         .get_beacon_proposer_indices(&chain.spec)

beacon_node/execution_layer/src/lib.rs

@@ -76,7 +76,7 @@ const DEFAULT_SUGGESTED_FEE_RECIPIENT: [u8; 20] =
 
 /// A payload alongside some information about where it came from.
 pub enum ProvenancedPayload<P> {
-    /// A good ol' fashioned farm-to-table payload from your local EE.
+    /// A good old fashioned farm-to-table payload from your local EE.
     Local(P),
     /// A payload from a builder (e.g. mev-boost).
     Builder(P),

beacon_node/http_api/src/lib.rs

@@ -1426,10 +1426,10 @@ pub fn serve<T: BeaconChainTypes>(
         );
 
     /*
-     * beacon/blocks
+     * beacon/blinded_blocks
      */
 
-    // POST beacon/blocks
+    // POST beacon/blinded_blocks
     let post_beacon_blinded_blocks = eth_v1
         .and(warp::path("beacon"))
         .and(warp::path("blinded_blocks"))
@@ -3208,7 +3208,7 @@ pub fn serve<T: BeaconChainTypes>(
             },
         );
 
-    // POST validator/duties/sync
+    // POST validator/duties/sync/{epoch}
     let post_validator_duties_sync = eth_v1
         .and(warp::path("validator"))
         .and(warp::path("duties"))

beacon_node/operation_pool/src/reward_cache.rs

@@ -12,7 +12,7 @@ struct Initialization {
 #[derive(Debug, Clone, Default)]
 pub struct RewardCache {
     initialization: Option<Initialization>,
-    /// `BitVec` of validator indices which don't have default participation flags for the prev. epoch.
+    /// `BitVec` of validator indices which don't have default participation flags for the prev epoch.
     ///
     /// We choose to only track whether validators have *any* participation flag set because
     /// it's impossible to include a new attestation which is better than the existing participation