Use `VoteAccount::node_pubkey()` (#26207)

core/src/validator.rs

@@ -1995,11 +1995,7 @@ fn get_stake_percent_in_gossip(bank: &Bank, cluster_info: &ClusterInfo, log: boo
         if activated_stake == 0 {
             continue;
         }
-        let vote_state_node_pubkey = vote_account
-            .vote_state()
-            .as_ref()
-            .map(|vote_state| vote_state.node_pubkey)
-            .unwrap_or_default();
+        let vote_state_node_pubkey = vote_account.node_pubkey().unwrap_or_default();
 
         if let Some(peer) = peers.get(&vote_state_node_pubkey) {
             if peer.shred_version == my_shred_version {

runtime/src/bank.rs

@@ -5051,8 +5051,9 @@ impl Bank {
                     None
                 } else {
                     total_staked += *staked;
-                    let node_pubkey = account.vote_state().as_ref().ok()?.node_pubkey;
-                    Some((node_pubkey, *staked))
+                    account
+                        .node_pubkey()
+                        .map(|node_pubkey| (node_pubkey, *staked))
                 }
             })
             .collect::<Vec<(Pubkey, u64)>>();

runtime/src/stakes.rs

@@ -378,7 +378,7 @@ impl Stakes<StakeAccount> {
 
     pub(crate) fn highest_staked_node(&self) -> Option<Pubkey> {
         let vote_account = self.vote_accounts.find_max_by_delegated_stake()?;
-        Some(vote_account.vote_state().as_ref().ok()?.node_pubkey)
+        vote_account.node_pubkey()
     }
 }
 

runtime/src/vote_account.rs

@@ -93,7 +93,7 @@ impl VoteAccount {
     }
 
     /// VoteState.node_pubkey of this vote-account.
-    fn node_pubkey(&self) -> Option<Pubkey> {
+    pub fn node_pubkey(&self) -> Option<Pubkey> {
         Some(self.vote_state().as_ref().ok()?.node_pubkey)
     }
 }