Ethereum: Binance signs nodejs 12 AWS Lambda API call

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Ethereum Futures API Call on Binance with AWS Lambda and NodeJS 12

As a developer, you probably know the importance of seamless integration between your frontend and backend systems. In this article, we will explore how to connect to the Ethereum futures API on Binance using AWS Lambda and NodeJS 12.

Background

The Ethereum Futures API provides an easy-to-use interface for trading derivatives on the Binance exchange. The API allows developers to make API calls from their frontends, such as web applications or mobile applications, without having to make direct connections to Binance servers. However, deploying a NodeJS 12 application that interacts directly with the Binance API can be challenging due to security and performance considerations.

Setting Up AWS Lambda

To solve this problem, we will use AWS Lambda as our backend service. This allows us to run NodeJS 12 in the cloud without exposing sensitive information or making direct connections to Binance servers. Here is a step-by-step guide:

• Create an AWS Lambda function: Go to the AWS Management Console and navigate to the Lambda panel. Create a new function with the following settings:

• Function name: binance-futures-lambda

• Runtime: NodeJS 12

• Role: Select “Custom Role” and create a new role with permissions to access the Binance API.

• Deploy Code: Deploy your NodeJS 12 application to Lambda using the lambda.zip file or the AWS CLI.

Connect to Binance API

Now that we have our NodeJS 12 function set up, we can connect to the Binance API using a library like axios. Here is an example code snippet:

const axios = require('axios');
exports.handler = async (event) => {
try {
const response = wait axios.post( event);
console.log(response.data);
} catch (error) {
console.error(error);
}
};

In this example, we send a POST request to the Binance API endpoint /new-order-tradewith aneventobject as the data. Theaxios` library will handle the authentication and authorization for us.

Running a Lambda Function

To run a Lambda function, follow these steps:

• Create a new deployment package: Create a new ZIP file containing your NodeJS 12 application code.

• Upload the deployment package to Lambda: Upload the deployment package to Lambda using the AWS CLI or console.

• Running a Lambda function: Run your Lambda function by sending an API call from a front-end service, such as a web application.

Troubleshooting ECONNREFUSED 127.0.0.1:

If you are having trouble connecting to the Binance API, you may encounter “ECONNREFUSED” error codes. This can be caused by a variety of reasons, including:

• Insecure DNS settings or firewall rules

• Network connectivity issues

• Incorrect credentials

To resolve this issue, ensure that your NodeJS 12 function has the correct permissions and is running in the correct AWS Lambda environment.

Conclusion

In this article, we have explored how to connect to the Ethereum futures API on Binance using AWS Lambda and NodeJS 12. By deploying a secure and powerful solution, you can seamlessly integrate your front-end application with the Binance API. When building production-ready applications, always remember to follow best practices for optimizing security and performance.

Hope this helps! If you have any questions or need further assistance, let us know.