PayMaster: Automated Payment and Yield Optimization on Aptos

PayMaster is a smart contract and AI-powered system built on the Aptos blockchain that automates stablecoin payments while optimizing yield on idle funds.

Features

• Payment Automation: Schedule recurring payments in stablecoins or APT
• Yield Optimization: Automatically detect idle funds and deploy them to high-yield protocols
• Risk Management: Monitor liquidity, collateral, and liquidation risks
• AI Integration: Optimize asset allocation based on risk preferences and market conditions

Project Structure

PayMaster/
├── move/                   # Move smart contracts
│   ├── sources/            # Move source code
│   │   ├── payment_automation.move   # Payment scheduling and execution
│   │   ├── yield_optimizer.move      # Yield optimization
│   │   └── risk_manager.move         # Risk management
│   └── Move.toml           # Move package configuration
│
└── src/                    # Frontend and agent implementation
    ├── tools/              # Tools and agents
    │   └── paymaster/      # PayMaster agent implementation
    │       ├── PayMasterAgent.ts     # Smart contract integration
    │       ├── AIYieldOptimizer.ts   # AI yield optimization
    │       └── RiskAssessmentEngine.ts # Risk assessment
    └── agents/             # AI agent integration
        └── CustomMoveAgent.tsx       # Move Agent Kit integration

Setup Instructions

Prerequisites

• Aptos CLI
• Node.js (v18 or higher)
• NPM (v8 or higher)

Installation

1. Clone the repository:

   git clone https://github.com/your-username/PayMaster.git
   cd PayMaster
   

2. Install dependencies:

   npm install
   

3. Compile Move modules:

   cd move
   aptos move compile
   

4. Deploy Move modules to testnet:

   aptos move publish --named-addresses paymaster=YOUR_ACCOUNT_ADDRESS
   

5. Update the base address in the PayMasterAgent.ts file with your deployed module address.

6. Start the development server:

   npm run dev
   

Smart Contract Development

Payment Automation

The payment automation module enables users to:

• Create scheduled payments with customizable intervals
• Cancel scheduled payments
• Execute due payments

Yield Optimization

The yield optimization module enables:

• Creation of yield strategies
• Automatic allocation of idle funds
• Monitoring and optimizing yield across protocols

Risk Management

The risk management module provides:

• Liquidity risk monitoring
• Collateral risk assessment
• Liquidation risk warnings

Integrations

PayMaster integrates with the following Aptos DeFi protocols:

• Thala
• Aries
• Momentum

License

MIT License