Trait HistoricalView

pub trait HistoricalView: AtomicView {
    type Height;
    type ViewAtHeight;

    // Required methods
    fn latest_height(&self) -> Option<Self::Height>;
    fn view_at(
        &self,
        height: &Self::Height,
    ) -> StorageResult<Self::ViewAtHeight>;
}

Provides an atomic view of the storage at the given height. The view is guaranteed to be unmodifiable for the given height.

Required Associated Types

type Height

The type used by the storage to track the commitments at a specific height.

type ViewAtHeight

The type of the storage view at Self::Height.

Required Methods

fn latest_height(&self) -> Option<Self::Height>

Returns the latest height.

fn view_at(&self, height: &Self::Height) -> StorageResult<Self::ViewAtHeight>

Returns the view of the storage at the given height.

Implementors