How to Run a Polygon Network Node: A Step-by-Step Guide for Developers

Polygon (previously known as Matic Network) is a Layer-2 scaling solution for Ethereum that offers fast and low-cost transactions. To run a Polygon network node, you will need to set up a Polygon node on your server. In this article, we will guide you through the steps required to run a Polygon network node.


Step 1: Set up a Server

To run a Polygon network node, you will need to have a server. You can use any cloud provider such as AWS, Google Cloud, or DigitalOcean to set up a server. It is recommended to use a server with at least 2 GB of RAM and 2 CPU cores.

Step 2: Install Node.js

Once you have set up a server, the next step is to install Node.js. Node.js is a JavaScript runtime environment that allows you to run JavaScript code outside of a web browser. To install Node.js, you can follow the instructions on the official Node.js website.

Step 3: Install PostgreSQL

Polygon uses PostgreSQL as its database. To install PostgreSQL, you can follow the instructions on the official PostgreSQL website. Make sure to create a user and a database for Polygon.

Step 4: Install Polygon Node

To install the Polygon node, you will need to download the Polygon source code from the official GitHub repository. Once you have downloaded the source code, you can install the dependencies by running the following command:

Copy codenpm install

After the dependencies have been installed, you can start the Polygon node by running the following command:

sqlCopy codenpm run start

The Polygon node will start syncing with the Polygon network. This process can take some time, depending on the speed of your server and the size of the network.

Step 5: Configure the Node

Once the Polygon node has finished syncing with the network, you will need to configure it. The configuration file is located in the config directory of the Polygon source code. Open the config.json file and modify the following settings:

  • node.walletPassword: This is the password for your Polygon wallet.
  • node.p2p.discovery.external: This is the IP address of your server.
  • node.p2p.discovery.port: This is the port number that the node will use to communicate with other nodes on the network.
  • node.postgres.host: This is the hostname or IP address of your PostgreSQL server.
  • node.postgres.database: This is the name of the database that you created for Polygon.
  • node.postgres.user: This is the username for the PostgreSQL user that you created for Polygon.
  • node.postgres.password: This is the password for the PostgreSQL user that you created for Polygon.

Save the config.json file and restart the Polygon node.

Step 6: Verify the Node

To verify that the Polygon node is running correctly, you can use the Polygon CLI tool. Install the CLI tool by running the following command:

Copy codenpm install -g polygon-cli

Once the CLI tool has been installed, you can run the following command to check the status of your node:

luaCopy codepolygon-cli node:status

If everything is working correctly, you should see a message indicating that your node is in sync with the Polygon network.

Conclusion

Running a Polygon network node is relatively straightforward, and it allows you to contribute to the Polygon network while earning rewards. By following the steps outlined in this article, you should be able to set up and configure a Polygon node on your server. Remember to keep your server up-to-date with the latest security patches and follow best practices to keep your node secure.

 

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