Revision ae79a999e445690595d03fcdce3f4178aee8dbe9 authored by Marge Bot on 13 September 2022, 08:50:37 UTC, committed by Marge Bot on 13 September 2022, 08:50:37 UTC
Co-authored-by: Valentin Chaboche <valentin.chaboche@nomadic-labs.com> Approved-by: François Thiré <francois.thire@nomadic-labs.com> Approved-by: Yann Regis-Gianas <946787-yrg@users.noreply.gitlab.com> See merge request https://gitlab.com/tezos/tezos/-/merge_requests/6305
storage_helpers.ml
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2022 Nomadic Labs <contact@nomadic-labs.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, *)
(* 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. *)
(* *)
(*****************************************************************************)
let get_value ~what ~getter ~pp ctxt x =
let open Lwt_syntax in
let+ value = getter ctxt x in
match value with
| Ok x -> Some x
| Error _ ->
(* Should not happen *)
Format.eprintf "Failed getting %s for %a\n" what pp x ;
None
let get_lazy_expr ~what ~getter ~pp ctxt x =
let open Lwt_syntax in
let+ expr_opt = get_value ~what ~getter ~pp ctxt x in
Option.map
(fun (_, expr) ->
match Data_encoding.force_decode expr with
| Some expr -> expr
| None -> assert false)
expr_opt
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