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Onchain Agent Demo

Token-creation

A web app that enables onchain interactions through a conversational UI using AgentKit, a collaboration between CDP SDK and OnchainKit.

Overview

This project features a Next.js frontend designed to work seamlessly with CDP's AgentKit backend. Together, they enable the creation of an AI agent capable of performing onchain operations on Base. The agent uses GPT-4 for natural language understanding and AgentKit for onchain interactions.

Key Features

  • AI-Powered Chat Interface: Interactive chat interface for natural language interactions onchain
  • Onchain Operations: Ability to perform various blockchain operations through Agentkit:
    • Deploy and interact with ERC-20 tokens
    • Create and manage NFTs
    • Check wallet balances
    • Request funds from faucet
  • Real-time Updates: Server-Sent Events (SSE) for streaming responses
  • Responsive Design: Modern UI built with Tailwind CSS
  • Wallet Integration: Secure wallet management through CDP Agentkit

Tech Stack

  • Frontend: Next.js 14, React, Tailwind CSS
  • Development: TypeScript, Biome for formatting/linting

Prerequisites

  • Bun for package management

Environment Setup

Create a .env.local file with the following variables:

NEXT_PUBLIC_API_URL= # The base URL for API requests. This must be set to the endpoint of your backend service.

Installation

  1. Install dependencies:
bun i
  1. Start the development server:
bun dev

Development

  • Format code: bun run format
  • Lint code: bun run lint
  • Run CI checks: bun run ci:check

Deploying to Replit

Steps:

  • Sign up for a Replit account, or login to your existing one.
  • Navigate to the template links, and click Use Template on the top right hand side.
  • Under Secrets in Workspace Features, add the environment variables below.
    • Tip: You can click Edit as JSON and copy the values below in.
  • Click Deploy in the top right.
    • Tip: Deploy your backend first, as you'll need the deployment URL to set as NEXT_PUBLIC_API_URL in the frontend.
    • Tip: You can click Run to test if the applications run properly before deploying.

Backend Secrets

{
  "CDP_API_KEY_NAME": "get this from https://portal.cdp.coinbase.com/projects/api-keys",
  "CDP_API_KEY_PRIVATE_KEY": "get this from https://portal.cdp.coinbase.com/projects/api-keys",
  "OPENAI_API_KEY": "get this from https://platform.openai.com/api-keys",
  "NETWORK_ID": "base-sepolia"
}

Important: Replit resets the SQLite template on every deployment, before sending funds to your agent or using it on Mainnet be sure to read Agent Wallet and save your wallet ID and seed in a safe place.

Frontend Secrets

{
  "NEXT_PUBLIC_API_URL": "your backend deployment URL here"
}

Note: you'll need to include the scheme (https://) in NEXT_PUBLIC_API_URL.

License

See LICENSE.md for details.

Contributing

See CONTRIBUTING.md for guidelines on how to contribute to this project.

Special shoutout to Shu Ding for his amazing generative UI for the NFT art.