
Tsz Wai developed enhancements for the MeshJS/mesh repository, focusing on MeshTxBuilder’s configurability and reliability. He implemented support for custom network cost models, allowing the transaction builder to accept either predefined Cardano networks or user-defined numeric models, and introduced a networkToObj adaptor to streamline this flexibility. Using TypeScript and leveraging test-driven development, he added comprehensive tests covering Plutus Script V3 and various cost parameters. Tsz Wai also addressed input validation and scriptSize handling, ensuring safer transaction construction and more accurate fee estimation. His work demonstrated depth in blockchain development, smart contracts, and robust transaction building within the Cardano ecosystem.

November 2024: MeshTxBuilder gains flexible cost modeling and stronger validation. Implemented custom network cost models (predefined networks or numeric models) with a networkToObj adaptor and updated setNetwork to handle both. Added comprehensive tests for custom cost models including Plutus Script V3 usage. Fixed input validation and scriptSize handling in MeshTxBuilder to improve reliability, including explicit undefined checks and setting scriptSize to 0 for collateral inputs and UTXOs without scriptrefs. Overall impact: improved configurability, reliability, and test coverage, enabling more accurate fee estimation and safer transaction construction. Demonstrated expertise in TypeScript/JavaScript, test-driven development, and Plutus scripting.
November 2024: MeshTxBuilder gains flexible cost modeling and stronger validation. Implemented custom network cost models (predefined networks or numeric models) with a networkToObj adaptor and updated setNetwork to handle both. Added comprehensive tests for custom cost models including Plutus Script V3 usage. Fixed input validation and scriptSize handling in MeshTxBuilder to improve reliability, including explicit undefined checks and setting scriptSize to 0 for collateral inputs and UTXOs without scriptrefs. Overall impact: improved configurability, reliability, and test coverage, enabling more accurate fee estimation and safer transaction construction. Demonstrated expertise in TypeScript/JavaScript, test-driven development, and Plutus scripting.
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