(*****************************************************************************)
(*                                                                           *)
(* Open Source License                                                       *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com>     *)
(* Copyright (c) 2020 Metastate AG <hello@metastate.dev>                     *)
(*                                                                           *)
(* 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.                                                 *)
(*                                                                           *)
(*****************************************************************************)

(***************** Prevalidation errors ***********************************)

type error += Parse_error

type error += Too_many_operations

type error += Oversized_operation of {size : int; max : int}

type error +=
  | Future_block_header of {
      block : Block_hash.t;
      block_time : Time.Protocol.t;
      time : Time.System.t;
    }

type error += Cannot_serialize_operation_metadata

(************************* State errors ***********************************)

type error += Unknown_chain of Chain_id.t

type error += Bad_data_dir

type error += Block_not_invalid of Block_hash.t

(* Block database error *)

type error += Inconsistent_hash of Context_hash.t * Context_hash.t

type error += Missing_block_metadata_hash of Block_hash.t

type error += Missing_operation_metadata_hashes of Block_hash.t

(******************* Bootstrap pipeline errors ****************************)

type error += Invalid_locator of P2p_peer.Id.t * Block_locator.t

type error += Too_short_locator of P2p_peer.Id.t * Block_locator.t

(******************* Protocol validator errors ****************************)

type protocol_error = Compilation_failed | Dynlinking_failed

type error +=
  | Invalid_protocol of {hash : Protocol_hash.t; error : protocol_error}

type error += Cannot_load_protocol of Protocol_hash.t

(********************* Peer validator errors ******************************)

type error += Unknown_ancestor | Known_invalid

(************************ Validator errors ********************************)

type error += Inactive_chain of Chain_id.t

type error += Checkpoint_error of Block_hash.t * P2p_peer.Id.t option