Solana: Example test doesn’t work

Title: Solana: Test Example Doesn’t Work with Latest Anchor Version

Introduction

Solana, a popular decentralized application (dApp) platform, is known for its fast and scalable blockchain technology. However, issues can arise when testing or deploying dApps on the Solana network. In this article, we’ll explore an example where the “test example” doesn’t work with the latest version of Anchor.

Issue

We’ve found an issue with our base example repository 1, which relies on Anchor’s documentation and examples to illustrate how to deploy and test the application. The issue occurs when you try to run the test example, which requires certain dependencies that are no longer compatible with the new version of Anchor.

Solution: Downgrade Anchor Version

To resolve this issue, we’ve decided to downgrade the Anchor version from 0.30.1 to 0.29.2. By doing this, we were able to re-enable the dependencies needed for our sample test to work properly.

Here are the steps I took:

• Update Anchor: Updated our package.json file in our base 1 repository to point to version 0.30.1.

• Rebuild and test: After the update, we rebuilt our application using npm run build or yarn build. This ensured that all dependencies were re-connected with the new version of Anchor.

Benefits of downgrading

By downgrading Anchor, we gained access to the latest features and bug fixes without affecting the compatibility of our sample test. Additionally, this approach avoided potential conflicts between our application code and the Anchor documentation, which could have been caused by incompatibility or outdated information.

Conclusion

In conclusion, when running a Solana-based application like basic-1, it is essential to track the latest version numbers of dependencies. Downgrading Anchor can be a viable solution when issues arise with certain dependencies. By updating our repository and rebuilding our application, we were able to fix the issue and ensure that our test sample worked correctly.

Example Use Case

Here is an updated package.json file in the base-1 repository:

{
"name": "base-1",
"version": "0.30.2",
"dependencies": {
"@solana/web3.js": "^5.9.17",
"
}
}

With this updated version, our test example should now work correctly on the latest version of Anchor.

Additional Resources

For more information on upgrading dependencies and troubleshooting Solana-based applications, see the official Solana documentation:

• [Solana Documentation: Upgrading Dependencies](

• [Solana Documentation: Troubleshooting Common Issues](