NewID generates a identifier that can be used as an identifier in the RPC interface.

NewServer create http server for rpc & websocket requests.

NotifierFromContext returns the Notifier value stored in ctx, if any.

Notifier is tight to a RPC connection that supports subscriptions.

RpcApi describes the set of methods offered over the RPC interface.

Server represents a RPC server.

a Subscription is created by a notifier and tight to that notifier.

Error contain an error code in addition to the message.

ID defines a pseudo random number that is used to identify RPC subscriptions.