dal_services.ml
(*****************************************************************************)
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open Alpha_context
let assert_dal_feature_enabled ctxt =
let open Constants in
let Parametric.{dal = {feature_enable; _}; _} = parametric ctxt in
error_unless
Compare.Bool.(feature_enable = true)
Dal_errors.Dal_feature_disabled
let shards ctxt ~level =
let open Lwt_result_syntax in
let open Dal.Attestation in
let*? () = assert_dal_feature_enabled ctxt in
let level = Level.from_raw ctxt level in
(* We do not cache this committee. This function being used by RPCs
to know the DAL committee at some particular level. *)
let+ committee = Dal_apply.compute_committee ctxt level in
Signature.Public_key_hash.Map.bindings committee.pkh_to_shards