val listUsers : int -> (bool * Init.user) list
(* List users and indicate whether they participated in a transaction *)
+ val lookupHostingUsage : int -> string option
+
type charge = {trn : int, usr : int, amount : real}
val addCharge : charge -> unit
val addHostingCharges : hosting -> unit
val equalizeBalances : unit -> unit
-end
\ No newline at end of file
+
+ val costBase : real -> real
+
+ val delinquentPledgers : unit -> { id : int, name : string, shares : int, balance : real } list
+ val resetPledges : int list -> unit
+
+ val freezeworthyPledgers : unit -> { id : int, name : string, balance : real, joinedThisMonth : bool } list
+ val bootworthyPledgers : unit -> { id : int, name : string, balance : real, joinedThisMonth : bool } list
+
+ val billDues : {descr : string, base : real, date : string} -> unit
+end