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arXiv · 2507.20774

evalSmarT: An LLM-Based Framework for Evaluating Smart Contract Generated Comments

Fatou Ndiaye Mbodji
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Abstract

Smart contract comment generation has gained traction as a means to improve code comprehension and maintainability in blockchain systems. However, evaluating the quality of generated comments remains a challenge. Traditional metrics such as BLEU and ROUGE fail to capture domain-specific nuances, while human evaluation is costly and unscalable. In this paper, we present \texttt{evalSmarT}, a modular and extensible framework that leverages large language models (LLMs) as evaluators. The system supports over 400 evaluator configurations by combining approximately 40 LLMs with 10 prompting strategies. We demonstrate its application in benchmarking comment generation tools and selecting the most informative outputs. Our results show that prompt design significantly impacts alignment with human judgment, and that LLM-based evaluation offers a scalable and semantically rich alternative to existing methods.

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Fatou Ndiaye Mbodji. 2025-07-28. evalSmarT: An LLM-Based Framework for Evaluating Smart Contract Generated Comments. https://arxiv.org/abs/2507.20774

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