Cairo Components

Overview

Explain how to define, embed, and use components to share contract logic safely.

Quick Use

• •Read references/components.md before answering.
• •Use #[starknet::component] and component! for embedding.
• •Show both embeddable external functions and internal functions.

Response Checklist

• •Define component storage with #[storage] and an Event enum.
• •Use #[embeddable_as] on impls to expose entry points.
• •Embed component storage and events in the host contract.
• •Add #[abi(embed_v0)] impl aliases when embedding.

Example Requests

• •"How do I create a reusable component?"
• •"How do I embed a component into a contract?"
• •"What is the difference between embeddable and internal component functions?"