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(** [Irmin_store] representation for Dac node. *)
module Irmin_store : sig
  include Store_sigs.Store

  include Store_sigs.BACKEND
end

(** [Signature_store] is a nested map where [primary_key]s are root_hashes and
    [secondary_key]s are dac member public key hashes. Root hashes are strings
    instead of [Dac_hash.t] because we want to avoid runtime functorization of
    the module. 
  *)
module Signature_store :
  Store_sigs.Nested_map
    with type 'a store = 'a Irmin_store.t
     and type primary_key = Dac_plugin.hash
     and type secondary_key = Tezos_crypto.Aggregate_signature.public_key_hash
     and type value = Tezos_crypto.Aggregate_signature.signature

(** Key-value store for Dac certificates where keys are hexified [Dac_hash.t]
    and values are [Certificate_repr.t]. *)
module Certificate_store :
  Store_sigs.Map
    with type 'a store = 'a Irmin_store.t
     and type key = Dac_plugin.raw_hash
     and type value = Certificate_repr.t