Function rest_availability_service_get_block_summary 

async fn rest_availability_service_get_block_summary<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Query<GetBlockSummaryRequest>,
) -> Result<Json<BlockSummaryResponse>, RestError>
where
    S: AvailabilityService + Send + Sync + 'static,

GetBlockSummary - JSON endpoint.

GET /v2/availability/block-summary