Clean up VerifiedVotePackets (#14822)

(cherry picked from commit bd0433c373)

core/src/cluster_info_vote_listener.rs

@@ -382,7 +382,7 @@ impl ClusterInfoVoteListener {
                 return Ok(());
             }
 
-            if let Err(e) = verified_vote_packets.get_and_process_vote_packets(
+            if let Err(e) = verified_vote_packets.receive_and_process_vote_packets(
                 &verified_vote_label_packets_receiver,
                 &mut update_version,
             ) {

core/src/verified_vote_packets.rs

@@ -3,20 +3,13 @@ use crate::{
     result::Result,
 };
 use solana_perf::packet::Packets;
-use std::{collections::HashMap, ops::Deref, time::Duration};
+use std::{collections::HashMap, time::Duration};
 
 #[derive(Default)]
 pub struct VerifiedVotePackets(HashMap<CrdsValueLabel, (u64, Packets)>);
 
-impl Deref for VerifiedVotePackets {
-    type Target = HashMap<CrdsValueLabel, (u64, Packets)>;
-    fn deref(&self) -> &Self::Target {
-        &self.0
-    }
-}
-
 impl VerifiedVotePackets {
-    pub fn get_and_process_vote_packets(
+    pub fn receive_and_process_vote_packets(
         &mut self,
         vote_packets_receiver: &VerifiedLabelVotePacketsReceiver,
         last_update_version: &mut u64,
@@ -35,9 +28,15 @@ impl VerifiedVotePackets {
         Ok(())
     }
 
+    #[cfg(test)]
+    fn get_vote_packets(&self, key: &CrdsValueLabel) -> Option<&(u64, Packets)> {
+        self.0.get(key)
+    }
+
     pub fn get_latest_votes(&self, last_update_version: u64) -> (u64, Vec<Packets>) {
         let mut new_update_version = last_update_version;
         let msgs: Vec<_> = self
+            .0
             .iter()
             .filter_map(|(_, (msg_update_version, msg))| {
                 if *msg_update_version > last_update_version {
@@ -125,35 +124,48 @@ mod tests {
         s.send(vec![(label1.clone(), later_packets)]).unwrap();
         let mut verified_vote_packets = VerifiedVotePackets(HashMap::new());
         verified_vote_packets
-            .get_and_process_vote_packets(&r, &mut update_version)
+            .receive_and_process_vote_packets(&r, &mut update_version)
             .unwrap();
 
         // Test timestamps for same batch are the same
-        let update_version1 = verified_vote_packets.get(&label1).unwrap().0;
+        let update_version1 = verified_vote_packets.get_vote_packets(&label1).unwrap().0;
         assert_eq!(
             update_version1,
-            verified_vote_packets.get(&label2).unwrap().0
+            verified_vote_packets.get_vote_packets(&label2).unwrap().0
         );
 
         // Test the later value overwrote the earlier one for this label
-        assert!(verified_vote_packets.get(&label1).unwrap().1.packets.len() > 1);
+        assert!(
+            verified_vote_packets
+                .get_vote_packets(&label1)
+                .unwrap()
+                .1
+                .packets
+                .len()
+                > 1
+        );
         assert_eq!(
-            verified_vote_packets.get(&label2).unwrap().1.packets.len(),
+            verified_vote_packets
+                .get_vote_packets(&label2)
+                .unwrap()
+                .1
+                .packets
+                .len(),
             0
         );
 
         // Test timestamp for next batch overwrites the original
         s.send(vec![(label2.clone(), Packets::default())]).unwrap();
         verified_vote_packets
-            .get_and_process_vote_packets(&r, &mut update_version)
+            .receive_and_process_vote_packets(&r, &mut update_version)
             .unwrap();
-        let update_version2 = verified_vote_packets.get(&label2).unwrap().0;
+        let update_version2 = verified_vote_packets.get_vote_packets(&label2).unwrap().0;
         assert!(update_version2 > update_version1);
 
         // Test empty doesn't bump the version
         let before = update_version;
         assert_matches!(
-            verified_vote_packets.get_and_process_vote_packets(&r, &mut update_version),
+            verified_vote_packets.receive_and_process_vote_packets(&r, &mut update_version),
             Err(Error::CrossbeamRecvTimeoutError(RecvTimeoutError::Timeout))
         );
         assert_eq!(before, update_version);