Enum CallbackResponse 

pub enum CallbackResponse {
    Nodes(Sender<Result<Vec<Enr>, RequestError>>),
    Talk(Sender<Result<Vec<u8>, RequestError>>),
    Pong(Sender<Result<Pong, RequestError>>),
}

The kinds of responses we can send back to the discv5 layer.

Variants

Nodes(Sender<Result<Vec<Enr>, RequestError>>)

A response to a requested Nodes.

Talk(Sender<Result<Vec<u8>, RequestError>>)

A response from a TALK request

Pong(Sender<Result<Pong, RequestError>>)

A response from a Pong request