Fixup

cli/src/vote.rs

@@ -433,7 +433,7 @@ pub fn process_show_vote_account(
         build_balance_message(vote_account.lamports, use_lamports_unit, true)
     );
     println!("Validator Identity: {}", vote_state.node_pubkey);
-    println!("Authorized Voter: {}", vote_state.authorized_voter);
+    println!("Authorized Voter: {:?}", vote_state.authorized_voter());
     println!(
         "Authorized Withdrawer: {}",
         vote_state.authorized_withdrawer

programs/vote/src/vote_instruction.rs

@@ -39,6 +39,9 @@ pub enum VoteError {
 
     #[error("authorized voter has already been changed this epoch")]
     TooSoonToReauthorize,
+
+    #[error("cannot set same authorized voter as latest authorized voter")]
+    ReauthorizedSameVoter,
 }
 
 impl<E> DecodeError<E> for VoteError {
@@ -138,8 +141,11 @@ pub fn update_node(
     authorized_voter_pubkey: &Pubkey,
     node_pubkey: &Pubkey,
 ) -> Instruction {
-    let account_metas =
-        vec![AccountMeta::new(*vote_pubkey, false)].with_signer(authorized_voter_pubkey);
+    let account_metas = vec![
+        AccountMeta::new(*vote_pubkey, false),
+        AccountMeta::new_readonly(sysvar::clock::id(), false),
+    ]
+    .with_signer(authorized_voter_pubkey);
 
     Instruction::new(
         id(),
@@ -205,9 +211,12 @@ pub fn process_instruction(
             &signers,
             &Clock::from_keyed_account(next_keyed_account(keyed_accounts)?)?,
         ),
-        VoteInstruction::UpdateNode(node_pubkey) => {
-            vote_state::update_node(me, &node_pubkey, &signers)
-        }
+        VoteInstruction::UpdateNode(node_pubkey) => vote_state::update_node(
+            me,
+            &node_pubkey,
+            &signers,
+            &Clock::from_keyed_account(next_keyed_account(keyed_accounts)?)?,
+        ),
         VoteInstruction::Vote(vote) => {
             datapoint_debug!("vote-native", ("count", 1, i64));
             vote_state::process_vote(