X-Git-Url: https://git.hcoop.net/bpt/portal.git/blobdiff_plain/afc975d0463c554c5dd404851f151ba0e63c1353..466c59448d7bb1abee78e7f3f231be194e73b5ea:/balance.sig

diff --git a/balance.sig b/balance.sig
index 6eb3349..7d47b90 100644
--- a/balance.sig
+++ b/balance.sig
@@ -1,6 +1,6 @@
 signature BALANCE =
 sig
-    type balance = {id :int, name : string, amount : real}
+    type balance = {id : int, name : string, amount : real}
 
     val addBalance : string -> int
     val lookupBalance : int -> balance
@@ -8,8 +8,15 @@ sig
     val deleteBalance : int -> unit
     val listBalances : unit -> balance list
     val listOwnedBalances : unit -> balance list
+    val listUnownedBalances : unit -> balance list
     val listBalanceUsers : int -> Init.user list
+    val listNegativeOwnedBalances : unit -> balance list
 
     val validBalanceName : string -> bool
     val balanceNameToId : string -> int option
+
+    val sumOwnedBalances : unit -> real
+    val isNegative : balance -> bool
+
+    val depositAmount : int -> real
 end