Source file sc_rollup_inbox_message_repr.ml

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type error +=
  | (* `Permanent *) Error_encode_inbox_message
  | (* `Permanent *) Error_decode_inbox_message

let () =
  let open Data_encoding in
  let msg =
    "Failed to encode a rollup management protocol inbox message value"
  in
  register_error_kind
    `Permanent
    ~id:"sc_rollup_inbox_message_repr.error_encoding_inbox_message"
    ~title:msg
    ~pp:(fun fmt () -> Format.fprintf fmt "%s" msg)
    ~description:msg
    unit
    (function Error_encode_inbox_message -> Some () | _ -> None)
    (fun () -> Error_encode_inbox_message) ;
  let msg =
    "Failed to decode a rollup management protocol inbox message value"
  in
  register_error_kind
    `Permanent
    ~id:"sc_rollup_inbox_message_repr.error_decoding_inbox_message"
    ~title:msg
    ~pp:(fun fmt () -> Format.fprintf fmt "%s" msg)
    ~description:msg
    unit
    (function Error_decode_inbox_message -> Some () | _ -> None)
    (fun () -> Error_decode_inbox_message)

type internal_inbox_message = {
  payload : Script_repr.expr;
  sender : Contract_hash.t;
  source : Signature.public_key_hash;
}

type t = Internal of internal_inbox_message | External of string

let encoding =
  let open Data_encoding in
  check_size
    Constants_repr.sc_rollup_message_size_limit
    (union
       [
         case
           (Tag 0)
           ~title:"Internal"
           (obj3
              (req "payload" Script_repr.expr_encoding)
              (req "sender" Contract_hash.encoding)
              (req "source" Signature.Public_key_hash.encoding))
           (function
             | Internal {payload; sender; source} ->
                 Some (payload, sender, source)
             | External _ -> None)
           (fun (payload, sender, source) -> Internal {payload; sender; source});
         case
           (Tag 1)
           ~title:"External"
           Variable.string
           (function External msg -> Some msg | Internal _ -> None)
           (fun msg -> External msg);
       ])

type serialized = string

let serialize msg =
  let open Tzresult_syntax in
  match Data_encoding.Binary.to_string_opt encoding msg with
  | None -> fail Error_encode_inbox_message
  | Some str -> return str

let deserialize s =
  let open Tzresult_syntax in
  match Data_encoding.Binary.of_string_opt encoding s with
  | None -> fail Error_decode_inbox_message
  | Some msg -> return msg

let unsafe_of_string s = s

let unsafe_to_string s = s