Rust Smart Contracts #6: Storage Patterns in ink! You Can Actually Maintain
Stop dumping everything into one big storage struct. Learn the core storage patterns in ink!—single values, …
#Smart Contract
ink! Smart Contract Access Control: from only_owner to Role Permissions #5
Use a kitchen‑door analogy to explain env().caller(), only_owner checks, Result‑based errors, and role …
Stop Panicking on Failure: Production‑Ready ink! Events & Error Handling
Beginner‑friendly, production‑oriented ink! walkthrough: emit events for observability, return typed errors …