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Starknet by Example

Getting Started

1. Basics of a Starknet contract

1.1. Storage 1.2. Constructor 1.3. Variables 1.4. Visibility and Mutability 1.5. Counter Example 1.6. Mappings 1.7. Errors 1.8. Events 1.9. Syscalls 1.10. Strings and ByteArrays 1.11. Storing Custom Types 1.12. Custom types in entrypoints 1.13. Documentation

2. Deploy and interact with contracts

3. Testing contracts

4. Cairo cheatsheet

Components

5. Components How-To 6. Components Dependencies 7. Storage Collisions 8. Ownable

Applications

9. Upgradeable Contract 10. Defi Vault 11. ERC20 Token 12. Constant Product AMM

Advanced concepts

13. Writing to any storage slot 14. Storing Arrays 15. Struct as mapping key 16. Hashing

17. Optimisations

17.1. Storage Optimisations

18. List 19. Plugins 20. Signature Verification

Starknet by Example

Starknet by Example

Basics of Smart Contracts in Cairo

The following chapters will introduce you to Starknet smart contracts and how to write them in Cairo.