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(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
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(** Network protocol version. *)

(** Type of a network protocol version. *)
type t = {
  name : string ;
  major : int ;
  minor : int ;
}

val pp : Format.formatter -> t -> unit
val encoding : t Data_encoding.t

(** Selects the prefered common version for a pair of version
    lists. Used during network protocol negociation. If any, it is the
    maximum one, in lexicographic order (name, then major, minor). *)
val common : t list -> t list -> t option

(** Gives the prefered version in a list: the one selected by
    {!common} among the list of compatible ones. *)
val best : t list -> t