pub trait BlockServer<Block: BlockT>: Send {
    // Required method
    fn run<'life0, 'async_trait>(
        &'life0 mut self,
    ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
}Expand description
The serving side of the block relay protocol. It runs a single instance of the server task that processes the incoming protocol messages.