(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2022 Nomadic Labs <contact@nomadic-labs.com>                *)
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(* copy of this software and associated documentation files (the "Software"),*)
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include Z

let encoding = Data_encoding.n

module Index : Storage_description.INDEX with type t = t = struct
  type nonrec t = t

  let encoding = encoding

  let compare = compare

  let path_length = 1

  let to_path c l = Z.to_string c :: l

  let of_path = function
    | [] | _ :: _ :: _ -> None
    | [c] -> Some (Z.of_string c)

  let rpc_arg =
    let z_of_string s =
      try Ok (Z.of_string s) with Failure _ -> Error "Cannot parse z value"
    in
    RPC_arg.make ~name:"z" ~destruct:z_of_string ~construct:Z.to_string ()
end

module Internal_for_tests = struct
  let of_z z = z
end