Missing_blocks (archive_lib.Archive_lib.Metrics.Missing

val query : int -> ( unit, int, [< `Many | `One | `Zero One ] ) Caqti_request.t

val update : 
  missing_blocks_width:int ->
  (module Caqti_async.CONNECTION) ->
  Mina_metrics.Archive.t ->
  ( unit, [> Caqti_error.call_or_retrieve ] ) Core_kernel.Result.t
    Async_kernel__Deferred.t