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(* Open Source License                                                       *)
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type deposit_parameters = {
  ex_ticket : Ticket_scanner.ex_ticket;
  zkru_operation : Alpha_context.Zk_rollup.Operation.t;
}

let get_deposit_parameters :
    type a comparable.
    ( (a Script_typed_ir.ticket, bytes) Script_typed_ir.pair,
      comparable )
    Script_typed_ir.ty ->
    (a Script_typed_ir.ticket, bytes) Script_typed_ir.pair ->
    deposit_parameters tzresult =
 fun ty contents ->
  let open Script_typed_ir in
  match (ty, contents) with
  | Pair_t (Ticket_t (ty, _), Bytes_t, _, _), (ticket, op_bytes) -> (
      match
        Data_encoding.Binary.of_bytes_opt
          Alpha_context.Zk_rollup.Operation.encoding
          op_bytes
      with
      | None -> error Alpha_context.Zk_rollup.Errors.Wrong_deposit_parameters
      | Some zkru_operation ->
          ok {ex_ticket = Ticket_scanner.Ex_ticket (ty, ticket); zkru_operation}
      )