Solana: Example test doesn’t work

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Title: Solana: Sample Test Does Not 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 will explore an example where the “sample test” does not work with the latest version of Anchor.

The Problem

We have encountered an issue in our basic-1 sample repository, which relies on Anchor documentation and samples to illustrate how to deploy and test the application. The issue occurs when attempting to run the sample test, which requires certain dependencies that are no longer compatible with the new version of Anchor.

Solution: Downgrade Anchor Version

To address this issue, we have decided to downgrade the Anchor version from 0.30.1 to 0.29.2. This way, we were able to re-enable the dependencies needed for our sample test to work properly.

Here are the steps we followed:

• Update Anchor: We updated our package.json file in our basic-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-bound to the new version of Anchor.

Benefits of Downgrading

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conflicts between our application code and the Anchor documentation, which may have been caused by incompatibilities or outdated information.

Conclusion

In conclusion, when running a Solana-based application as basic-1, it is crucial to keep track of the latest version numbers for dependencies. Downgrading the Anchor version can be a viable solution when issues arise with certain dependencies. By updating our repository and rebuilding our application, we were able to resolve the issue and ensure our sample test runs properly.

Example Use Case

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

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

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

Additional Resources

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

• [Solana Documentation: Upgrading Dependencies](

• [Solana Documentation: Troubleshooting Common Issues](

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