🦀 Solana Exercises — Rust + Anchor

Belajar Solana smart contract dengan Rust dan Anchor Framework. Setara dengan Foundry + Solidity, tapi di ekosistem Solana.

Exercise

Exercise 01 — Counter

Program counter sederhana dengan fungsi:

• initialize — buat counter baru
• increment — tambah counter +1
• reset — reset counter ke 0 (hanya authority)

Tech Stack

• Solana CLI 2.1.21
• Anchor Framework 0.31.0
• Rust 1.94.0

Cara Jalankan

Setup

solana-keygen new
solana config set --url localhost

Run

# Terminal 1
solana-test-validator

# Terminal 2
cd exercise_01_counter
anchor build
anchor test --skip-local-validator

Test Result

✅ Counter diinisialisasi: 0
✅ Counter setelah 3x increment: 3
✅ Counter setelah reset: 0
3 passing (2s)