Method wait

json/jsonrpc/src/main.rs:111–117

(&self, d: u64)

    }

    fn wait(&self, d: u64) -> Pin<Box<dyn Future<Output = Result<String, Box<dyn error::Error>>>>> {
        async move {
            actix_web::rt::time::sleep(Duration::from_secs(d)).await;
            Ok(String::from("pong"))
        }
        .boxed_local()
    }

    fn get(&self) -> u32 {
        self.c