client

type Client interface {
	// Call makes the call to RPC method with the provided args
	// args must be encoded in the format RPC understands
	Call(result interface{}, method string, args ...interface{}) error

	Subscribe(ctx context.Context, namespace, subscribeMethodSuffix, unsubscribeMethodSuffix,
		notificationMethodSuffix string, channel interface{}, args ...interface{}) (
		*gethrpc.ClientSubscription, error)

	URL() string
}