(*****************************************************************************)
(*                                                                           *)
(* 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 error +=
  | Too_late_revelation
  | Too_early_revelation
  | Previously_revealed_nonce
  | Unexpected_nonce

type t = Seed_repr.nonce
type nonce = t
val encoding: nonce Data_encoding.t

type unrevealed = Storage.Seed.unrevealed_nonce = {
  nonce_hash: Nonce_hash.t ;
  delegate: Signature.Public_key_hash.t ;
  rewards: Tez_repr.t ;
  fees: Tez_repr.t ;
}

type status =
  | Unrevealed of unrevealed
  | Revealed of Seed_repr.nonce

val get: Raw_context.t -> Level_repr.t -> status tzresult Lwt.t

val record_hash:
  Raw_context.t -> unrevealed -> Raw_context.t tzresult Lwt.t

val reveal:
  Raw_context.t -> Level_repr.t -> nonce -> Raw_context.t tzresult Lwt.t

val of_bytes: MBytes.t -> nonce tzresult
val hash: nonce -> Nonce_hash.t
val check_hash: nonce -> Nonce_hash.t -> bool
