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Trait TracksInfo

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pub trait TracksInfo<Balance, Moment, const N: usize = DEFAULT_MAX_TRACK_NAME_LEN>
where
    Balance: Clone + Debug + Eq + 'static,
    Moment: Clone + Debug + Eq + 'static,
{
    type Id: Copy + Parameter + Ord + PartialOrd + Send + Sync + 'static + MaxEncodedLen;
    type RuntimeOrigin;

    // Required methods
    fn tracks(    ) -> impl Iterator<Item = Cow<'static, Track<Self::Id, Balance, Moment, N>>>;
    fn track_for(origin: &Self::RuntimeOrigin) -> Result<Self::Id, ()>;

    // Provided methods
    fn track_ids() -> impl Iterator<Item = Self::Id> { ... }
    fn info(id: Self::Id) -> Option<Cow<'static, TrackInfo<Balance, Moment, N>>> { ... }
    fn check_integrity() -> Result<(), &'static str> { ... }
}
Expand description

Information on the voting tracks.

Required Associated Types§

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type Id: Copy + Parameter + Ord + PartialOrd + Send + Sync + 'static + MaxEncodedLen

The identifier for a track.

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type RuntimeOrigin

The origin type from which a track is implied.

Required Methods§

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fn tracks() -> impl Iterator<Item = Cow<'static, Track<Self::Id, Balance, Moment, N>>>

Return the sorted iterable list of known tracks and their information.

The iterator MUST be sorted by Id. Consumers of this trait are advised to assert Self::check_integrity prior to any use.

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fn track_for(origin: &Self::RuntimeOrigin) -> Result<Self::Id, ()>

Determine the voting track for the given origin.

Provided Methods§

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fn track_ids() -> impl Iterator<Item = Self::Id>

Return the list of identifiers of the known tracks.

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fn info(id: Self::Id) -> Option<Cow<'static, TrackInfo<Balance, Moment, N>>>

Return the track info for track id, by default this just looks it up in Self::tracks().

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fn check_integrity() -> Result<(), &'static str>

Check assumptions about the static data that this trait provides.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§