(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
(*                                                                           *)
(* Permission is hereby granted, free of charge, to any person obtaining a   *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense,  *)
(* and/or sell copies of the Software, and to permit persons to whom the     *)
(* Software is furnished to do so, subject to the following conditions:      *)
(*                                                                           *)
(* The above copyright notice and this permission notice shall be included   *)
(* in all copies or substantial portions of the Software.                    *)
(*                                                                           *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL   *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING   *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER       *)
(* DEALINGS IN THE SOFTWARE.                                                 *)
(*                                                                           *)
(*****************************************************************************)

type t
include Compare.S with type t := t

val hash : t -> int

val min_value : t
val epoch : t
val max_value : t

val add : t -> int64 -> t
val diff : t -> t -> int64

val of_seconds : int64 -> t
val to_seconds : t -> int64

val of_notation : string -> t option
val of_notation_exn : string -> t
val to_notation : t -> string

val now : unit -> t

val encoding : t Data_encoding.t
val rfc_encoding : t Data_encoding.t

val rpc_arg : t RPC_arg.t

val pp_hum : Format.formatter -> t -> unit

type 'a timed_data = {
  data: 'a ;
  time: t ;
}

val make_timed : 'a -> 'a timed_data

val timed_encoding : 'a Data_encoding.t -> 'a timed_data Data_encoding.t

module Set : Set.S with type elt = t
module Map : Map.S with type key = t
module Table : Hashtbl.S with type key = t

val recent :
  ('a * t) option -> ('a * t) option -> ('a * t) option
