Function rest_status_service_get_block_height 

async fn rest_status_service_get_block_height<S>(
    __arg0: State<Arc<S>>,
    headers: HeaderMap,
    __arg2: Query<GetBlockHeightRequest>,
) -> Result<Json<BlockHeightResponse>, RestError>
where
    S: StatusService + Send + Sync + 'static,

GetBlockHeight - JSON endpoint.

GET /v2/status/block-height