1inch Trading Hub

This project combines more than 6 1inch APIs to provide the most complete trading experience. Inside of the 1inch trading hub, you will be able to see your cross chain portfolio, line and candlestick charts, limit order history, real time gas prices, and most importantly, choose between 6 different advanced trading strategies to increase your chances at profitable limit orders.

Architecture & Technology Stack

Core Technologies Next.js 15.4.4 with App Router for modern React development TypeScript for type safety and better developer experience Tailwind CSS v4 with custom design system Bun as the package manager for faster development Wagmi v2 + Viem for Web3 integration TanStack Query for server state management Zustand for client-side state management

Web3 Infrastructure Multi-chain support: Ethereum, Polygon, Arbitrum, BSC, Avalanche, Sepolia Wallet connectors: MetaMask, Coinbase Wallet with auto-reconnection 1inch SDK v4.9.5-rc.0 for limit order protocol integration Ethers.js v6 for blockchain interactions

Key Technical Innovations

1. Triple Fallback API System The project implements a sophisticated fallback system for API reliability: Proxy This ensures the app works even when APIs are rate-limited or unavailable, storing orders locally as a final fallback.

2. Custom Orderbook Implementation Instead of using the official 1inch Limit Order API (as required by hackathon rules), the team built a custom orderbook system:

3. Advanced Strategy Engine The strategy system is built with a sophisticated base class pattern:

Each strategy (TWAP, DCA, Options, Concentrated Liquidity) extends this base class. 🎯 Partner Technology Integration 1inch API Ecosystem The project leverages 6 different 1inch APIs: Swap API - Real time swaps Balance API - Real-time wallet balances across chains Portfolio API - Historical performance and current values Spot Price API - Live price feeds for strategy execution Token API - Comprehensive token metadata Transaction Gateway API - Secure transaction broadcasting

Benefits of 1inch Integration MEV Protection: All swaps use Fusion mode to prevent sandwich attacks Multi-chain Portfolio: Real-time tracking across 4+ networks Professional Data: Enterprise-grade price feeds and analytics Gas Optimization: Intelligent routing for best execution

🚀 Notable Technical Achievements

1. Real-time Price Integration The system uses multiple fallback methods for price data:

2. Strategy Automation Each strategy type has sophisticated automation: TWAP: Splits large orders over time with configurable intervals DCA: Smart entry conditions with price thresholds Options: Greeks calculations and automatic exercise Concentrated Liquidity: Auto-rebalancing grid orders

3. Professional UI/UX Modern Design: Tailwind CSS with custom components Responsive Layout: Works on all device sizes Real-time Updates: Live data feeds and status updates Error Handling: Graceful fallbacks and user feedback

Particularly Hacky/Notable Features

1. localStorage as Production Fallback I used localStorage as a legitimate fallback when APIs fail: This ensures the demo works even without internet connectivity.

2. Dynamic Strategy Execution The TWAP strategy automatically executes orders based on time intervals:

3. Multi-Method Price Discovery The system tries multiple approaches to get accurate prices: resort

4. Custom Orderbook Compliance Instead of using the official API, they built a complete orderbook system that stores orders locally while still submitting to the real 1inch API when possible.

🎨 UI/UX Architecture Atomic Design: Reusable UI components with shadcn/ui Layout System: Responsive grid with Tailwind CSS State Management: Zustand for global state, React Query for server state Theme System: Dark/light mode with CSS variables

Real-time Features Live Portfolio Updates: Multi-chain balance tracking Price Charts: Real-time candlestick data Order Status: Live order execution tracking Strategy Performance: Real-time P&L calculations

Security & Compliance Security Features Non-custodial: Users retain full control of assets MEV Protection: All swaps use Fusion mode Slippage Protection: Configurable tolerance levels Expiration Management: Time-based order cancellation

Hackathon Compliance Custom Limit Orders: Not posted to official API Onchain Execution: Smart contract interactions Consistent Commits: Active GitHub history 1inch API Integration: Extensive usage across multiple APIs

Performance Optimizations Caching Strategy React Query: Intelligent caching with 1-minute stale time Local Storage: Persistent wallet state and order data API Fallbacks: Multiple endpoints for reliability

The project demonstrates ggreat technical skill, combining modern web development practices with sophisticated DeFi strategy automation. The triple fallback system, custom orderbook implementation, and comprehensive 1inch API integration show both innovation and production readiness.