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module Aggregate_signature = Tezos_crypto.Aggregate_signature

let get_keys cctxt pkh =
  let open Lwt_result_syntax in
  let open Tezos_client_base.Client_keys in
  let* alias = Aggregate_alias.Public_key_hash.rev_find cctxt pkh in
  match alias with
  | None -> return (pkh, None, None)
  | Some alias -> (
      let* keys_opt = alias_aggregate_keys cctxt alias in
      match keys_opt with
      | None ->
          let*! () = Event.(emit committee_member_not_in_wallet pkh) in
          return (pkh, None, None)
      | Some (pkh, pk_opt, sk_uri_opt) -> return (pkh, pk_opt, sk_uri_opt))

let get_public_key cctxt address =
  let open Lwt_result_syntax in
  let+ _, pk_opt, _ = get_keys cctxt address in
  pk_opt

let can_verify (_, pk_opt, _) = Option.is_some pk_opt

let can_sign (_, _, sk_uri_opt) = Option.is_some sk_uri_opt