AgentSkillsCN

cairo-upgradeability

当请求涉及在 Cairo 中导入 `use`、别名、重新导出，以及分组导入时，讲解如何将路径引入作用域，或缩短模块路径。

SKILL.md
--- frontmatter
name: cairo-upgradeability
description: Explain Starknet upgradeability via class hash replacement and proxy patterns; use when a request involves upgrading contract logic or replace_class_syscall.

Cairo Upgradeability

Overview

Explain how Starknet upgrades work and the safeguards commonly used.

Quick Use

  • •Read references/upgradeability.md before answering.
  • •Mention replace_class_syscall and access control.
  • •Suggest proxy patterns for more flexible upgrades.

Response Checklist

  • •Use a protected upgrade entry point that validates the new class hash.
  • •Explain that upgrades replace the class hash of an instance.
  • •Note that storage is preserved across upgrades.

Example Requests

  • •"How do I upgrade a Starknet contract?"
  • •"What does replace_class_syscall do?"
  • •"Why do I need access control for upgrades?"