Contributed to the maticnetwork/bor repository by enhancing developer experience through targeted in-code documentation for Ethereum client development in Go. Focused on Ethclient’s BlockByNumber and HeaderByNumber methods, the work detailed the use of block state tags such as earliest, latest, safe, finalized, and pending, providing practical usage examples to guide correct implementation. This documentation aimed to reduce misconfigurations and streamline onboarding for developers interacting with block state queries. No major bugs were addressed during this period, as the primary emphasis was on reliability and clarity in documentation, leveraging Go and Ethereum client expertise to improve codebase maintainability.