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(*****************************************************************************)
(* *)
(* 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. *)
(* *)
(*****************************************************************************)
include Time
type time = t
type error += Timestamp_add (* `Permanent *)
type error += Timestamp_sub (* `Permanent *)
let () =
register_error_kind
`Permanent
~id:"timestamp_add"
~title:"Timestamp add"
~description:"Overflow when adding timestamps."
~pp:(fun ppf () -> Format.fprintf ppf "Overflow when adding timestamps.")
Data_encoding.empty
(function Timestamp_add -> Some () | _ -> None)
(fun () -> Timestamp_add) ;
register_error_kind
`Permanent
~id:"timestamp_sub"
~title:"Timestamp sub"
~description:"Substracting timestamps resulted in negative period."
~pp:(fun ppf () ->
Format.fprintf ppf "Substracting timestamps resulted in negative period.")
Data_encoding.empty
(function Timestamp_sub -> Some () | _ -> None)
(fun () -> Timestamp_sub)
let of_seconds s = try Some (of_seconds (Int64.of_string s)) with _ -> None
let to_seconds = to_seconds
let to_seconds_string s = Int64.to_string (to_seconds s)
let pp = pp_hum
let ( +? ) x y =
try ok (add x (Period_repr.to_seconds y)) with _exn -> error Timestamp_add
let ( -? ) x y = record_trace Timestamp_sub (Period_repr.of_seconds (diff x y))