AgentSkillsCN

cairo-contract-storage

当请求涉及通过调度器模式与接口调用其他 Starknet 合约时，讲解如何实现跨合约调用、调度器，或 contract_call_syscall 的使用方法。

SKILL.md
--- frontmatter
name: cairo-contract-storage
description: Explain Starknet contract storage layout, the storage struct, Store trait, and read/write access; use when a request involves storage variables or storage layout in Cairo.

Cairo Contract Storage

Overview

Explain how contract storage is declared and accessed, and how storage keys are computed.

Quick Use

  • •Read references/contract-storage.md before answering.
  • •Use #[storage] struct for storage fields.
  • •Use .read() and .write() on storage variables in ContractState.

Response Checklist

  • •Ensure storage field types implement starknet::Store (derive it when possible).
  • •Mention storage keys are derived from the variable name and hashed.
  • •Use self or ref self correctly depending on mutability.

Example Requests

  • •"How do I declare storage in a Cairo contract?"
  • •"Why does my storage field need Store?"
  • •"How is the storage key computed for a variable?"