Source file ticket_balance_key.ml

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open Alpha_context

(* This function extracts nodes of:
   - Ticketer
   - Type of content
   - Content
   - Owner
       to generate at ticket-balance key-hash.*)
let of_ex_token ctxt ~owner
    (Ticket_token.Ex_token {ticketer; contents_type; contents}) =
  let loc = Micheline.dummy_location in
  Script_ir_unparser.unparse_ty ~loc ctxt contents_type
  >>?= fun (cont_ty_unstripped, ctxt) ->
  (* We strip the annotations from the content type in order to map
     tickets with the same content type, but with different annotations, to the
     same hash. *)
  Gas.consume ctxt (Script.strip_annotations_cost cont_ty_unstripped)
  >>?= fun ctxt ->
  let ty = Script.strip_annotations cont_ty_unstripped in
  Script_ir_unparser.unparse_comparable_data
    ctxt
    Script_ir_unparser.Optimized_legacy
    contents_type
    contents
  >>=? fun (contents, ctxt) ->
  let ticketer_address =
    Script_typed_ir.
      {destination = Contract ticketer; entrypoint = Entrypoint.default}
  in
  let owner_address =
    Script_typed_ir.{destination = owner; entrypoint = Entrypoint.default}
  in
  Script_ir_translator.unparse_data
    ctxt
    Script_ir_unparser.Optimized_legacy
    Script_typed_ir.address_t
    ticketer_address
  >>=? fun (ticketer, ctxt) ->
  Script_ir_translator.unparse_data
    ctxt
    Script_ir_unparser.Optimized_legacy
    Script_typed_ir.address_t
    owner_address
  >>=? fun (owner, ctxt) ->
  Lwt.return
    (Ticket_hash.make
       ctxt
       ~ticketer:(Micheline.root ticketer)
       ~ty
       ~contents:(Micheline.root contents)
       ~owner:(Micheline.root owner))