Learn INK with Real Code Examples
Updated Nov 25, 2025
Installation Setup
Install Rust toolchain
Install cargo-contract CLI
Set up Substrate node or local testnet
Compile contract with `cargo contract build`
Deploy using `cargo contract deploy` or Polkadot.js
Environment Setup
Install Rust toolchain
Install cargo-contract CLI
Set up Substrate node
Build & compile ink! contract
Deploy to local/testnet
Config Files
Cargo.toml
lib.rs
target/ for Wasm artifacts
metadata.json
tests/ folder
Cli Commands
cargo contract build
cargo contract deploy
cargo contract test
cargo contract generate-metadata
cargo contract call
Internationalization
Docs in multiple languages
Community tutorials globally
Polkadot ecosystem support
Unicode-safe contracts
Global developer reach
Accessibility
Rust familiarity helps
Strong compiler messages
Macros reduce boilerplate
Predictable execution
Comprehensive documentation
Ui Styling
Frontend via Polkadot.js
Not applicable in backend Rust code
IDE syntax highlighting for Rust
cargo-contract CLI output
Metadata-driven frontend forms
State Management
Storage struct fields
Immutable constants
Mappings via StorageHashMap
Event logs
Cross-contract state access
Data Management
Wasm memory model
Typed storage fields
Bounded collections for safety
Cross-contract message payloads
Event-indexed logs