(*****************************************************************************)
(*                                                                           *)
(* 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,  *)
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(* DEALINGS IN THE SOFTWARE.                                                 *)
(*                                                                           *)
(*****************************************************************************)

type t = {shell : Block_header.shell_header; protocol_data : protocol_data}

and protocol_data = {contents : contents; signature : Signature.t}

and contents = {
  priority : int;
  seed_nonce_hash : Nonce_hash.t option;
  proof_of_work_nonce : MBytes.t;
}

type block_header = t

type raw = Block_header.t

type shell_header = Block_header.shell_header

val raw : block_header -> raw

val encoding : block_header Data_encoding.encoding

val raw_encoding : raw Data_encoding.t

val contents_encoding : contents Data_encoding.t

val unsigned_encoding : (Block_header.shell_header * contents) Data_encoding.t

val protocol_data_encoding : protocol_data Data_encoding.encoding

val shell_header_encoding : shell_header Data_encoding.encoding

(** The maximum size of block headers in bytes *)
val max_header_length : int

val hash : block_header -> Block_hash.t

val hash_raw : raw -> Block_hash.t