open Bin_sig type h_denom_pub = Bin_type.DenominationHash.t type t val get_sm_key : t -> Signkey.t val get_denoms : t -> Denomination.t list val add_master_signatures : (module Pg.CONN) -> t -> (h_denom_pub * DenominationKeyValidity.t) list -> (unit, string) result val revoke_denomination : t -> h_denom_pub -> MasterDenominationKeyRevocation.t -> (unit, string) result val init : (module Pg.CONN) -> t