Learn INK with Real Code Examples
Updated Nov 25, 2025
Performance Notes
Wasm contracts run efficiently on Substrate
Predictable gas and storage usage
Compile-time safety reduces runtime failures
Loops and recursion must be bounded
Large contracts may increase deployment size
Security Notes
Strong type safety reduces errors
No undefined behavior thanks to Rust
Events prevent hidden state changes
Cross-contract call safety via traits
Formal verification easier due to Rust foundations
Monitoring Analytics
Event log tracking
Gas usage analysis
Contract interaction analytics
Audit tool outputs
Frontend integration metrics
Code Quality
Follow Rust best practices
Use macros for boilerplate
Document messages and events
Keep storage minimal
Unit-test all functions