🔐 MintX

Token Launchpad and Vesting DApp on Solana

A secure token vesting smart contract built with Anchor framework and SPL Token-2022, enabling cliff-based linear vesting with PDA-secured custody.

✨ Features

• 🪙 SPL Token-2022 - Create and manage tokens
• ⏰ Cliff + Linear Vesting - Configurable vesting schedules
• 🔒 PDA Vault - Secure token custody
• 👥 Multi-User - Allocate to multiple beneficiaries
• 🛡️ Anti Double-Claim - Built-in safeguards
• ✅ Tested - Full test coverage

📂 Structure

mintx/
├── programs/mintx/src/
│   ├── instructions/
│   │   ├── create_token.rs
│   │   ├── initialize_vesting.rs
│   │   ├── initialize_user_vesting.rs
│   │   └── claim.rs
│   ├── state/
│   │   ├── vesting_config.rs
│   │   └── user_vesting.rs
│   └── utils/
│       └── time.rs
frontend/                    # Next.js DApp

🔄 Flow

1. Create Token → 2. Initialize Vesting → 3. Assign Users → 4. Claim

Vesting Model

Tokens
  │         ┌─────── Fully Vested
  │    ────/
  │───/  Linear Release
  └─────────────────────► Time
    ↑    ↑           ↑
  Start Cliff      End

• Before Cliff: No claims
• After Cliff: Linear vesting
• After End: Full unlock

🧪 Testing

anchor test

Covers: token creation, vesting setup, claims (instant/partial/full), cliff enforcement, multi-user, edge cases

🛠 Stack

Contract: Solana • Anchor • Rust • SPL Token-2022
Frontend: Next.js • TypeScript • Solana Wallet Adapter

🚀 Quick Start

# Clone
git clone https://github.com/KaustubhOG/MintX
cd MintX/mintx

# Build & Test
anchor build
anchor test

🔐 Security

• PDA-based vault authority
• Time-based access control
• Safe math (overflow protection)
• Input validation

Made by @KaustubhOG • Star ⭐ if helpful!