[Communities] Promoting/demoting members within the community

[pandres95]

Types

src/types/parameters.rs

pub type MemberRankOf<T> = <T as Config>::MemberRank;

Storage

src/lib.rs

/// Stores the rank of a community (specified by its
/// [`CommunityId`][`Config::CommunityId`]) member (specified by it's
/// [`AccountId`][`frame_system::Config::AccountId`]).
#[pallet::storage]
#[pallet::getter(fn member_rank)]
pub(super) type MemberRanks<T> =
	StorageDoubleMap<_, Blake2_128Concat, CommunityIdOf<T>, Blake2_128Concat, AccountIdOf<T>, MemberRankOf<T>>;

Implementation

Calls

Privileged methods (as of now, they'd have to pass a referenda):

• promote_member: Increases the rank of a member in the community.
• demote_member: Decreases the rank of a member in the community.

Traits

src/traits/rank.rs

pub trait Inspect<Rank>
where
	Rank: Default + Parameter + PartialEq + PartialOrd + Saturating,
{
	/// Retrieves the current rank of the member
	fn rank(&self) -> Rank;
}

pub trait Mutate<Rank>
where
	Rank: Default + Parameter + PartialEq + PartialOrd + Saturating,
{
	/// Retrieves a new rank for the member as increasing by one
	fn promote(&self) -> Self;
	/// Retrieves a new rank for the member as decreasing by one
	fn demote(&self) -> Self;
}