def on_read(self, fd, callback):
        self.handlers[fd]['read'].append(callback)
        self._update_events(fd)
Covers simple order creation.
dataset/ETHPy150Open Shizmob/pydle/pydle/async.py/EventLoop.on_read--crossover with--dataset/ETHPy150Open openstack/python-barbicanclient/functionaltests/client/v1/smoke/test_orders.py/OrdersTestCase.test_create_order_defaults