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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. *)
(* *)
(*****************************************************************************)
type t = int32
type cycle = t
let encoding = Data_encoding.int32
let rpc_arg =
let construct = Int32.to_string in
let destruct str =
match Int32.of_string str with
| exception _ ->
Error "Cannot parse cycle"
| cycle ->
Ok cycle
in
RPC_arg.make
~descr:"A cycle integer"
~name:"block_cycle"
~construct
~destruct
()
let pp ppf cycle = Format.fprintf ppf "%ld" cycle
include (Compare.Int32 : Compare.S with type t := t)
module Map = Map.Make (Compare.Int32)
let root = 0l
let succ = Int32.succ
let pred = function 0l -> None | i -> Some (Int32.pred i)
let add c i =
assert (Compare.Int.(i > 0)) ;
Int32.add c (Int32.of_int i)
let sub c i =
assert (Compare.Int.(i > 0)) ;
let r = Int32.sub c (Int32.of_int i) in
if Compare.Int32.(r < 0l) then None else Some r
let to_int32 i = i
let of_int32_exn l =
if Compare.Int32.(l >= 0l) then l
else invalid_arg "Level_repr.Cycle.of_int32"
module Index = struct
type t = cycle
let path_length = 1
let to_path c l = Int32.to_string (to_int32 c) :: l
let of_path = function
| [s] -> (
try Some (Int32.of_string s) with _ -> None )
| _ ->
None
let rpc_arg = rpc_arg
let encoding = encoding
let compare = compare
end