val listUsers : int -> (bool * Init.user) list
(* List users and indicate whether they participated in a transaction *)
+ type stripePayment = {charge_id : string, webuser_id : int, card_name : string, paid_on : string, gross_cents : int, fee_cents : int, net : real}
+
+ val listUserPendingStripePayments : int -> stripePayment list
+ val listAllPendingStripePayments : unit -> stripePayment list
+ val lookupStripePayment : string -> stripePayment
+ val applyStripePayment : stripePayment -> int
+
val lookupHostingUsage : int -> string option
type charge = {trn : int, usr : int, amount : real}