compoundtutorials
  • Chapter 1: Introduction to Compound
    • 1. What Is Compound?
    • 2. Introducing Comet (Compound V3)
    • 3. What’s Next?
  • Chapter 2: Markets, Utilization & Interest Rates
    • 1. What Is a Market in Comet?
    • 2. Utilization: Balancing Supply & Demand
    • 3. The Kink: A Flexible Threshold
    • 4. Interest Rate Parameters
    • 5. Supply and Borrow Interest Rates vs. Utilization Rate Chart
    • 6. Why This Matters
  • Chapter 3: Hands-On Tutorial (Step by Step)
    • 1. Environment Setup
    • 2. Getting Sepolia ETH and WETH
    • 3. Project Structure
    • 4. Creating the index.js Script
    • 5. Run the Script
    • 6. Next Steps
  • Chapter 4: Repaying, Withdrawing & Managing Your Position
    • 1. Updating index.js
    • 2. Example Usage in Your Main Execution
    • 3. Recap
    • 4. Summary & Best Practices
  • Chapter 5: Using the Compound.js SDK
    • Getting Started
    • Performing Common Actions
  • Chapter 6: Additional Resources
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  1. Chapter 3: Hands-On Tutorial (Step by Step)

3. Project Structure

Your project might look like this:

compound-comet-tutorial/

├── package.json

├── package-lock.json

├── .env

└── index.js

The index.js file will contain our code.

Environment Variables

Create a .env file in your project folder to store your Sepolia RPC URL and private key safely (and don’t commit it to GitHub):

Example .env:

SEPOLIA_RPC_URL="https://sepolia.infura.io/v3/YOUR_INFURA_PROJECT_ID"

PRIVATE_KEY="0xYOUR_SEPOLIA_PRIVATE_KEY"

Replace:

• YOUR_INFURA_PROJECT_ID with an actual Infura ID (or another Ethereum node provider).

• 0xYOUR_SEPOLIA_PRIVATE_KEY with your wallet’s private key that holds test ETH on Sepolia.

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Last updated 1 month ago