func CleanAddressList(addresslist []string, address string) []string {
	index := -1
	for i, addr := range addresslist {
		if addr == address {
			index = i
+                       break
		}
	}
	if index != -1 {
		addresslist = RemoveIndex(addresslist, index)
	}
	return addresslist
}
func UpdateObserverList(list []string, oldObserverAddresss, newObserverAddress string) {
	for i, observer := range list {
		if observer == oldObserverAddresss {
			list[i] = newObserverAddress
+                       break
		}
	}
}
func (k Keeper) GetAllObserverMappersForAddress(ctx sdk.Context, address string) (mappers []*types.ObserverMapper) {
	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefix(types.ObserverMapperKey))
	iterator := sdk.KVStorePrefixIterator(store, []byte{})
	defer iterator.Close()
	for ; iterator.Valid(); iterator.Next() {
		var val types.ObserverMapper
		k.cdc.MustUnmarshal(iterator.Value(), &val)
		addToList := false
		for _, addr := range val.ObserverList {
			if addr == address {
				addToList = true
+                               break
			}
		}
		if addToList {
			mappers = append(mappers, &val)
		}
	}
	return
}
