--- a/iro/offer/smstrade.py	Thu Feb 23 16:56:25 2012 +0100
+++ b/iro/offer/smstrade.py	Thu Feb 23 16:57:57 2012 +0100
@@ -16,7 +16,7 @@
 import copy
 from functools import partial
 
-from ..error import UnknownOption, NeededOption
+from ..config import Option
 from ..model.status import Status
 from .provider import Provider, providers
 
@@ -82,25 +82,10 @@
     def __init__(self, name, config):       
         self.url = "https://gateway.smstrade.de"
         Provider.__init__(self,name,config,{"sms":["basic","economy","gold","direct"]})
-
-    def loadConfig(self):
-        """Read options from config"""
-        needed=["key"]
-
-        for n in needed:
-            setattr(self,n,None)
-
-        for (n, v) in self.config:
-            if n in needed:
-                setattr(self,n,v)
-            else:
-                raise UnknownOption(self.name, n)
-
-        for n in needed:
-           if getattr(self,n) is None:
-               raise NeededOption(self.name, n) 
-
-
+        self.options.update({
+            "key":Option(lambda x,y:x,long="smstrade Gateway Key https://login.smstrade.de/index.php?gateway", must=True)
+            })
+        self.loadConfig()
 
     def send(self, route, sms, recipient):
         """send SMS with $sms to $recipients"""