Ensure the behavior of the bump ix arguments is unchanged

programs/voter-stake-registry/src/instructions/create_registrar.rs

@@ -48,6 +48,7 @@ pub struct CreateRegistrar<'info> {
 /// used for voting.
 pub fn create_registrar(ctx: Context<CreateRegistrar>, registrar_bump: u8) -> Result<()> {
     let registrar = &mut ctx.accounts.registrar.load_init()?;
+    require_eq!(registrar_bump, *ctx.bumps.get("registrar").unwrap());
     registrar.bump = registrar_bump;
     registrar.governance_program_id = ctx.accounts.governance_program_id.key();
     registrar.realm = ctx.accounts.realm.key();

programs/voter-stake-registry/src/instructions/create_voter.rs

@@ -67,6 +67,12 @@ pub fn create_voter(
         );
     }
 
+    require_eq!(voter_bump, *ctx.bumps.get("voter").unwrap());
+    require_eq!(
+        voter_weight_record_bump,
+        *ctx.bumps.get("voter_weight_record").unwrap()
+    );
+
     // Load accounts.
     let registrar = &ctx.accounts.registrar.load()?;
     let voter_authority = ctx.accounts.voter_authority.key();

programs/voter-stake-registry/src/instructions/grant.rs

@@ -105,6 +105,12 @@ pub fn grant(
     allow_clawback: bool,
     amount: u64,
 ) -> Result<()> {
+    require_eq!(voter_bump, *ctx.bumps.get("voter").unwrap());
+    require_eq!(
+        voter_weight_record_bump,
+        *ctx.bumps.get("voter_weight_record").unwrap()
+    );
+
     // Load accounts.
     let registrar = &ctx.accounts.registrar.load()?;
     let voter_authority = ctx.accounts.voter_authority.key();