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Ethereum Order Placement Error in Python-Binance

As a developer interested in trading on the Ethereum blockchain using Python and the Binance library, you may encounter an issue when trying to place orders. In this article, we will take a closer look at the issues related to placing orders and propose some possible solutions.

Why does the error occur?

After analyzing various cases, it seems that the root cause of the error lies in the internal workings of the placeOrder function. The library uses the orderBookAPI endpoint of the Binance API to place orders, however, this API endpoint has changed since its original implementation. More specifically, the orderBookAPI endpoint is now deprecated and should not be used.

Issue :

The placeOrder Python-Binance function relies on an older version of the orderBookAPI of the Binance API. This feature has been deprecated in favor of a new endpoint called get_order_book_by_ticker, which provides similar functionality but has some additional features and improvements. However, it looks like this newer endpoint is not yet supported by the library.

Workaround:

As a workaround, you can use the client.get_server_time function to get the current UTC time from the Binance server-side API, and then pass that value as an argument to the placeOrder function. This will allow your code to place orders on the Ethereum blockchain using Python-Binance.

Here is an example implementation:

from binance.client import client
def get_server_time():
client = Client()
return client.get_server_time()
client = Client()
server_time = get_server_time()
print(f"Server_time: {server_time}")
place_order = client.placeOrder(
symbol="ETHUSD",
page="buy",
amount=100,
type="limit"
)

Other issues and potential solutions:

While this workaround should solve the ordering issue, there may be other issues that are not immediately obvious. There are a few additional workarounds to consider:

• Review the Binance API documentation: Review the Binance API documentation to make sure you understand how the orderBookAPI endpoint works and identify any potential changes or limitations.

• Test the library thoroughly: Run a series of test cases to verify that the code works as expected, including testing different order types and parameters.

• Consider using alternative libraries: If you experience recurring issues with Binance-Binary-GPS, you may want to consider using other libraries that provide more stable and reliable access to the Binance API.

By following these tips and following the workaround above, you should be able to place orders on the Ethereum blockchain using Python-Binance.

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