OTC Swap Mini App

A fully permissionless OTC swap application built on Base as a Farcaster Mini App.

Features

• Trustless Swaps: Exchange ETH, ERC20 tokens, and ERC721 NFTs atomically
• No Intermediaries: Direct peer-to-peer trading with smart contract escrow
• Custom Terms: Set expiration times and optional allowed acceptors
• Spam Protection: 0.0001 ETH creation fee
• Timed Refunds: 1-hour minimum hold, 15-minute refund delay after cancellation/expiration

Contract

Deployed on Base at: 0x2481BcB8EEf9f6Df6A2d0E7c8A0fBea8bB06D4C4

Development

npm install
npm run dev

Farcaster Mini App Setup

1. Update public/.well-known/farcaster.json with your domain and Base account details
2. Generate account association credentials at https://www.base.dev
3. Update the embed metadata in index.html with your app URL
4. Deploy and publish by posting your app URL in the Base app

Technology Stack

• React + Vite
• Farcaster Mini App SDK
• Viem (Ethereum interaction)
• Lexend font
• Base blockchain