Sprout 🌱

Sprout is a round-up micro-investing app on the Sui blockchain. It automatically deposits spare change from purchases into an on-chain SUI savings vault.

Project Structure

• /contracts: Sui Move modules for vault management and milestones.
• /backend: Node.js/Express server for API routes and event indexing.
• /frontend: Next.js application for Sui wallet vault management.
• /scripts: Deployment and demo seeding scripts.

Quickstart

1. Contracts

cd contracts
sui move build
# Deploy using the script
../scripts/deploy.sh testnet

2. Backend

cd backend
npm install
# Copy .env.example and fill in the IDs from deployment
cp .env.example .env
# Start the server
npm run dev
# In a separate terminal, start the indexer
npm run indexer

3. Frontend

cd frontend
npm install
# Copy .env.local.example and fill in the IDs
cp .env.local.example .env.local
# Start the app
npm run dev

Key Technologies

• Sui Blockchain: Core on-chain logic.
• PostgreSQL: Event indexing and pending round-up tracking.

User Flow

1. Connect: Connect a Sui wallet.
2. Setup: Open a SUI vault from the connected wallet.
3. Spend: Simulate purchases using scripts/seed_demo.sh.
4. Invest: Deposit pending round-ups into your vault from the dashboard.
5. Grow: Watch your plant grow as your balance increases!