Solana DeFi Programs

A collection of decentralized finance (DeFi) programs built on the Solana blockchain using the Anchor framework. This repository contains production-ready smart contracts for various DeFi primitives.

🚀 Programs Overview

📈 AMM (Automated Market Maker)

A robust AMM implementation supporting both SPL Token and Token-2022 standards.

Features:

• Dual token standard support (SPL Token & Token-2022)
• Constant product formula (x * y = k)
• Configurable fee rates
• Liquidity provider rewards
• Slippage protection

Instructions:

• initialize_pool - Create new trading pools
• add_liquidity - Provide liquidity and earn fees
• remove_liquidity - Withdraw liquidity and rewards
• swap - Trade tokens with minimal slippage

💰 Anchor Vault

A secure vault system for SOL deposits and withdrawals with PDA-based ownership.

Features:

• Secure SOL storage using PDAs
• User-specific vault isolation
• Rent-exempt validation
• Error handling for edge cases

Instructions:

• deposit - Securely deposit SOL into personal vault
• withdraw - Withdraw SOL from personal vault

🤝 Anchor Escrow

A trustless escrow system for secure peer-to-peer token exchanges.

Features:

• Trustless token swaps
• Escrow state management
• Automated settlement
• Refund mechanisms

Instructions:

• make - Create new escrow agreement
• take - Accept and complete escrow
• refund - Cancel and refund escrow

🛠️ Technology Stack

• Blockchain: Solana
• Framework: Anchor 0.31.1
• Language: Rust
• Testing: TypeScript with Mocha/Chai
• Token Standards: SPL Token, Token-2022

📋 Prerequisites

• Rust 1.70+
• Solana CLI 1.18+
• Anchor CLI 0.31+
• Node.js 18+
• Yarn or npm

🔧 Installation

# Clone the repository
git clone https://github.com/Shradhesh71/Solana-DeFi-Programs.git
cd Solana-DeFi-Programs

# Install Anchor dependencies
anchor build

# Install Node.js dependencies for testing
npm install

🧪 Testing

Each program includes comprehensive test suites covering happy paths, edge cases, and error scenarios.

# Test all programs
anchor test

# Test specific program
cd anchor_vault && anchor test
cd anchor-AMM/anchor && anchor test
cd anchor_escrow && anchor test

🏗️ Project Structure

Solana-DeFi-Programs/
├── anchor-AMM/           # AMM Program
│   ├── anchor/
│   │   ├── programs/amm/
│   │   └── tests/
├── anchor_vault/         # Vault Program
│   ├── programs/
│   └── tests/
├── anchor_escrow/        # Escrow Program
│   ├── programs/
│   └── tests/
└── governance/           # Governance utilities

🚀 Deployment

Programs are deployed on Solana Devnet for testing:

• AMM Program: FqzkXZdwYjurnUKetJCAvaUw5WAqbwzU6gZEwydeEfqS
• Vault Program: Available in program artifacts
• Escrow Program: Available in program artifacts

🤝 Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

Contact

Shradhesh - @Shradhesh71

Project Link: https://github.com/Shradhesh71/Solana-DeFi-Programs