Cairo Components Under the Hood

Overview

Explain the generated traits and wrappers created by component macros and how they connect to the host contract.

Quick Use

• Read references/components-under-hood.md before answering.
• Mention HasComponent methods for access and mutation.
• Explain how embeddable impls become contract entry points.

Response Checklist

• Identify the generated HasComponent trait and its methods.
• Explain ComponentState<TContractState> as the bridge to host storage.
• Clarify how impl aliases and #[abi(embed_v0)] expose entry points.

Example Requests

• "What does component! generate behind the scenes?"
• "How does ComponentState work?"
• "Why do I need HasComponent for embedding?"