Function sc_rpc_server::start_ws

pub fn start_ws<M: PubSubMetadata + From<UnboundedSender<String>>>(
    addr: &SocketAddr, 
    max_connections: Option<usize>, 
    cors: Option<&Vec<String>>, 
    io: RpcHandler<M>, 
    maybe_max_payload_mb: Option<usize>, 
    maybe_max_out_buffer_capacity_mb: Option<usize>, 
    server_metrics: ServerMetrics, 
    tokio_handle: Handle
) -> Result<Server>

Start WS server listening on given address.