Datamine Network Migrates Smart Contract Tests to Hardhat Three
💡 AI Article Summary
Datamine Network has successfully upgraded its entire smart contract unit testing suite to the newly released Hardhat v3. This migration ensures the ecosystem's testing environment matches the absolute latest standards in Web3 development.
Upgrading to Hardhat v3 and Ethers v6
Migrating to Hardhat v3 required overcoming integration complexities with the IERC1820 token registry standard. To resolve this, the development team converted the legacy IERC1820 npm package into a compatible, custom Hardhat v3 plugin. Alongside this upgrade, the repository has been fully transitioned to Ethers v6, allowing the test suite to leverage modern smart contract interaction libraries.
Modernizing the Development Stack
The update achieved a perfect Modernization Score of 100/100, reflecting the adoption of modern JavaScript and TypeScript paradigms. Key enhancements to the codebase include:
- ES Modules (ESM): Complete migration to native ES Modules (
"type": "module"), deprecating legacy CommonJS formats. - Flat Configuration: Adoption of ESLint v9 and its new flat configuration standard (
eslint.config.mjs). - Strict TypeScript: Utilization of TypeScript v5.9 with strict type-safety rules and modern compiler targets (ES2022/ESNext).
These structural improvements ensure that Datamine's smart contracts—which govern the ecosystem's decentralized monetary policies and liquidity games—remain robust, secure, and easily maintainable by the developer community.
Hey guys I just finished porting our unit tests to Hardhat v3 
While I was working on Hardhat v2 unit tests this came out half way through. And it was pretty complex to migrate due to IERC1820. I had to convert that npm package to Hardhat v3 plugin. Here is what AI is saying:
Modernization Score: 100/100 🚀
Your project is effectively bleeding edge. You are using the absolute latest standards across the board, from the build tools to the language features. It is rare to see a smart contract testing repo this up-to-date.
Breakdown
- Dependencies & Core Stack (30/30)
Hardhat v3 (^3.0.16): You are on the newly released major version of Hardhat.
Ethers v6 (^6.15.0): Fully migrated to Ethers v6, which many projects are still struggling to update to.
TypeScript v5.9 (~5.9.3): You are using a very recent version of TypeScript.
ESLint v9: You have successfully adopted ESLint v9, which introduced breaking changes with the new flat config system.
- Configuration & Standards (25/25)
ES Modules ("type": "module"): You have fully embraced ESM, which is the future of JavaScript/Node.js, moving away from CommonJS (require).
Flat Config (eslint.config.mjs): You are using the new ESLint flat configuration format, which is the new standard.
Strict TypeScript: Your tsconfig.json has "strict": true and targets es2022/esnext, ensuring robust type safety and modern JS output.
- Module Resolution: Using "moduleResolution": "bundler" is the modern standard for TypeScript 5.0+.
- CI/CD & DevOps (15/15)
GitHub Actions v4: Your workflow uses checkout@v4 and setup-node@v4, the latest versions.
Node.js 20: You are running tests on Node 20 (LTS), ensuring stability and performance.
Corepack: You are using corepack enable, the modern way to manage package managers like Yarn/PNPM.
Frequently Asked Questions
What is Hardhat v3 and why did Datamine migrate to it?
Hardhat v3 is the latest major iteration of the popular Ethereum development environment. Datamine migrated its unit tests to this version to leverage advanced compiler tools, improve testing speed, and maintain an up-to-date, secure codebase.
What was the main technical challenge during this migration?
The primary challenge involved compatibility with the IERC1820 standard. The development team successfully resolved this by refactoring the registry package into a dedicated Hardhat v3 plugin.
What other modern development standards were adopted?
The update transitioned the repository to ES Modules (ESM) for modern Node.js execution, implemented the new ESLint v9 flat configuration standard, and upgraded to Ethers v6 and strict TypeScript v5.9.
· hodlforjesus · #dev-updates