async def cancel_orders(self, ids, symbol=None, params={}):
    (await self.load_markets())
    for i in range(0, len(ids)):
        ids[i] = int(ids[i])
    request = {'orderIds': ids}
    return (await self.privatePostOrderCancel(self.extend(request, params)))
async def cancel_orders(self, ids, symbol=None, params={}):
    (await self.load_markets())
    for i in range(0, len(ids)):
        ids[i] = int(ids[i])
    request = {'orderIds': ids}
    return (await self.privatePostOrderCancel(self.extend(request, params)))