add order and cancel order

example/orders.py

@@ -31,11 +31,16 @@
 
 # Open Orders
 orders = api.orders(market)
-pp.pprint(orders)
+print len(orders), "open orders"
 
 if not orders:
-    print api.add(market, 'bid', Decimal('0.01'), Decimal('10'))
+    order_id = api.add(market, 'bid', Decimal('1000'), Decimal('10'))
+    print "added:", order_id
 
 orders = api.orders(market)
 pp.pprint(orders)
 
+for order in orders:
+    order_id = order['oid']
+    api.cancel(market, order_id)
+    print "cancelled:", order_id

mtgoxexp/__init__.py

@@ -205,8 +205,14 @@ def add(self, market, type_,amount, price=None):
         result = self.mtgox.call(path, data)
         return result['data']
 
-    def cancel(self, todo):
-        """Place order """
+    def cancel(self, market, order_id):
+        """Cancel order """
+        path = "%s/money/order/cancel" % market
+        data = {
+            'oid': order_id,
+        }
+        result = self.mtgox.call(path, data)
+        return result['data']
 
 if __name__ == "__main__":
     import doctest