INNER CODE UNIT · Rust

apply_for_candidacy

AstarNetwork/Astar · pallets/collator-selection/src/lib.rs:540

        pub fn apply_for_candidacy(origin: OriginFor<T>) -> DispatchResultWithPostInfo {
            let who = ensure_signed(origin)?;

            ensure!(
                !PendingApplications::<T>::contains_key(&who),
                Error::<T>::PendingApplicationExists
            );
            ensure!(
                !Invulnerables::<T>::get().contains(&who),
                Error::<T>::AlreadyInvulnerable
            );
            ensure!(
                T::AccountCheck::allowed_candidacy(&who),
                Error::<T>::NotAllowedCandidate
            );
            ensure!(
                !Self::is_account_candidate(&who),
                Error::<T>::AlreadyCandidate

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