AstaVerde - Carbon Offset NFT Ecosystem

Carbon offset NFT marketplace with Dutch auction pricing and collateralized lending vault on Arbitrum.

System Status

• v1: ✅ Dutch auction marketplace
• v2: ✅ Released (2025-08-25) - EcoStabilizer vault (221 tests passing)
• QA Testing: 🧪 Available on Arbitrum Sepolia testnet
• Deployment: Ready for Arbitrum One mainnet
• Gas Efficiency: Deposit <150k, Withdraw <120k

📚 Documentation

• Agents Guide - Canonical instructions for AI assistants and contributors
• Development Guide - Setup, structure, and workflow
• Testing Guide - Comprehensive testing documentation
• Deployment Guide - Production deployment and checklist
• QA Testing Guide - QA testing guide and checklist
• SSC Plan - v2 vault technical specification

Architecture

v1: Dutch Auction Marketplace (Live)

• ERC-1155 NFTs representing verified carbon offsets
• Dynamic pricing: Base price adjusts with market demand
• Dutch auction: Daily 1 USDC decrease to 40 USDC floor
• 30% default platform commission (configurable up to 50%), remainder to producers

v2: EcoStabilizer Vault (Released)

• Deposit NFTs to mint 20 SCC stablecoins
• No liquidations - withdraw your exact NFT by repaying loan
• Redeemed NFTs cannot be used as collateral
• Access control with automated admin renunciation

Quick Start

# Install dependencies
npm install

# Run tests
npm run test

# Configure webapp env (untracked)
cp webapp/.env.local.example webapp/.env.local

# Start dev webapp (Arbitrum Sepolia)
npm run dev:sepolia

# Access webapp at http://localhost:3002

Key Commands

npm run test              # Run all tests
npm run compile           # Compile contracts
npm run dev:sepolia       # Start webapp (Arbitrum Sepolia)
npm run qa:fast           # Quick contract verification
npm run deploy:testnet    # Deploy to Arbitrum Sepolia
npm run deploy:mainnet    # Deploy to Arbitrum One

See AGENTS.md for the complete command reference and workflows.

Documentation

• AGENTS.md - Canonical guide for agents and developer workflows
• SSC_PLAN.md - v2 vault specification
• DEPLOYMENT.md - Deployment instructions
• contracts/README.md - Contract specifications
• test/TESTING_GUIDE.md - Testing documentation

Security

• Immutable contracts with no upgrade mechanisms
• Role-based access control with automated admin renunciation
• Reentrancy protection and pausability
• Comprehensive test coverage (221 tests)
• Redeemed NFT protection in vault

🧪 v2 QA Testing

The EcoStabilizer vault system is deployed on Arbitrum Sepolia testnet for client testing.

For Testers

• QA Testing Guide - Complete guide for testing the vault system
• Test URL: [Vercel deployment URL - to be provided]
• Network: Arbitrum Sepolia (testnet)

For Developers

1. Deploy Contracts to Testnet:

   npm run deploy:testnet

2. Configure Webapp:

   cp webapp/.env.local.example webapp/.env.local
   # Edit webapp/.env.local with testnet addresses + RPC

3. Deploy to Vercel:

   vercel --prod

See QA Testing Guide for detailed testing instructions.

License

MIT