Etherlink Fusion

Problem Statement

Etherlink Fusion+ dApp - Project OverviewWhat is this project?Etherlink Fusion+ dAppis a next-generation trading platform that brings advanced cryptocurrency trading to the Etherlink blockchain. Think of it as a "super-powered" trading app that lets you trade tokens across multiple blockchains with advanced features that weren't possible before.🎯 What makes it special?Advanced Trading FeaturesDutch Auctions: A unique trading method where prices automatically decrease over time, giving early buyers better dealsLimit Orders: Traditional trading where you set your own price and wait for the market to match itCross-Chain Trading: Trade tokens between different blockchains (like Ethereum, Arbitrum, and Etherlink) in one seamless experienceReal-Time Market DataLive Price Feeds: Get real-time prices from multiple trading platformsMarket Analytics: See trading volumes, price charts, and market trendsPortfolio Tracking: Monitor your trading performance across all networksUser-Friendly ExperienceOne-Click Setup: Connect your wallet once and trade on all supported networksIntuitive Interface: Clean, modern design that's easy to navigateDemo Mode: Learn how everything works with interactive tutorials🌐 What networks does it support?Etherlink: The main blockchain where the platform is builtEthereum: The original blockchain with the most trading activityArbitrum & Optimism: Faster, cheaper alternatives to EthereumBase: Coinbase's blockchain for easy trading💡 How does it work?For TradersConnect Your Wallet: One click connects you to all supported networksChoose Your Trading Method: Pick between Dutch auctions or limit ordersSelect Tokens: Choose what you want to trade (USDT, WETH, etc.)Set Your Parameters: Enter amounts, prices, and time limitsExecute Trades: Your orders are automatically matched with the best prices🎯 Who is this for?Individual TradersWant advanced trading features like Dutch auctionsNeed to trade across multiple blockchainsValue real-time market data and analyticsDeFi EnthusiastsInterested in cutting-edge trading protocolsWant to explore cross-chain opportunitiesAppreciate transparent, on-chain tradingDevelopersLooking to build on Etherlink blockchainWant to integrate advanced trading featuresNeed a reference implementation for DeFi applications🌟 Key BenefitsFor UsersBetter Prices: Dutch auctions often result in better execution pricesMore Options: Access to tokens across multiple blockchainsReal-Time Data: Make informed decisions with live market informationLower Costs: Efficient cross-chain trading reduces feesFor the EcosystemInnovation: Introduces new trading mechanisms to EtherlinkLiquidity: Brings more trading activity to the networkAdoption: Makes Etherlink more attractive to traders and developersEtherlink Fusion+ dApprepresents the future of decentralized trading - combining the best features from traditional finance with the innovation of blockchain technology, all built on the fast and efficient Etherlink network.

Solution

Etherlink Fusion+ dAppCross-Chain DeFi Trading with 1inch Fusion+ IntegrationA next-generation decentralized application that combines the power of 1inch Fusion+ protocol with cross-chain bridging capabilities on Etherlink. Experience advanced order types, real-time analytics, and seamless multi-chain trading.🚀 FeaturesAdvanced TradingDutch Auctions: Time-decay pricing mechanism for optimal executionLimit Orders: Traditional limit order functionalityReal-time Price Feeds: Live market data from 1inch Fusion+ APIsCross-Chain Swaps: Seamless transfers between multiple blockchainsMulti-Chain SupportEtherlink Testnet/Mainnet: Native chain with deployed smart contractsEthereum: Full 1inch Fusion+ integrationArbitrum, Optimism, Base: Layer 2 scaling solutionsCross-Chain Bridging: Asset transfers between all supported chainsAnalytics & InsightsReal-time Trading Data: Live volume, price charts, and market metrics1inch Fusion+ API Integration: Aggregated DEX data across mainnetsPortfolio Performance: Comprehensive trading analyticsNetwork-Specific Metrics: Chain-specific trading insightsUser ExperienceOne-Click Wallet Connection: Multi-chain wallet supportIntuitive Interface: Modern, responsive designDemo Mode: Interactive learning environmentOrder Management: Complete trading order lifecycle🛠️ Technology StackFrontendReact 18: Modern UI framework with hooksTypeScript: Type-safe developmentVite: Fast build tool and dev serverTailwind CSS: Utility-first stylingRadix UI: Accessible component libraryBlockchain IntegrationWagmi: React hooks for EthereumViem: TypeScript interface for EthereumHardhat: Development environment and testingEthers.js: Ethereum library for smart contractsSmart ContractsSolidity 0.8.20: Smart contract developmentOpenZeppelin: Secure contract librariesProxy Pattern: Upgradeable contract architectureFactory Pattern: Gas-efficient contract deploymentAPIs & Data1inch Fusion+ API: Real-time price feeds and trading dataCross-Chain Messaging: LayerZero integration (mocked)Price Oracle: On-chain price verificationBridge Adapter: Cross-chain asset transfersDevelopment ToolsNode.js: Runtime environmentpnpm: Fast package managerESLint: Code quality and consistencyTypeScript: Static type checking📊 Analytics IntegrationThe analytics dashboard leverages1inch Fusion+ APIsto provide real-time data across mainnet networks:Price Feeds: Live token prices from aggregated DEX dataTrading Volume: 24-hour volume metrics from multiple sourcesMarket Data: Token metadata, symbols, and market capsCross-Chain Metrics: Network-specific trading insights🔗 Deployed ContractsEtherlink TestnetNetwork: Etherlink Testnet (Chain ID: 128123) RPC: https://node.ghostnet.etherlink.com Explorer: https://testnet.explorer.etherlink.com Smart Contracts: ├── PriceOracle: 0xaFf493AaA8989509dC82b11315d7E2d08b1B4F9F ├── BridgeAdapter: 0xfcd72FD2C49a91a6aC94935a221E23E246DE2723 ├── EtherlinkFusionResolver: 0x0e48a6439Ed91398DeEF51171CA505B5950F89F4 ├── EtherlinkFusionFactory: 0x3A6d7F2911776A985B0A09e33e8FB6dd93d74430 └── CrossChainRouter: 0x3115Ff33a21a5F99f8eeAC6E52e2d3e3Bc49dC87 Mock Tokens: ├── Mock USDT: 0xb8fB2E8738e60d9CDb53117aC5ac3B6d3313D4c2 ├── Mock WETH: [To be deployed] ├── Mock USDC: [To be deployed] └── Mock WBTC: [To be deployed]Supported NetworksEtherlink Testnet: 128123 (Primary development network)Etherlink Mainnet: 42793 (Production network)Ethereum: 1 (1inch Fusion+ integration)Arbitrum: 42161 (Layer 2 scaling)Optimism: 10 (Layer 2 scaling)Base: 8453 (Layer 2 scaling)🚀 Getting StartedPrerequisitesNode.js 18+MetaMask or compatible walletEtherlink testnet tokens (for testing)Installation# Clone the repository git clone <repository-url> cd etherlink-fusion-dapp # Install dependencies npm install # Start development server npm run devEnvironment ConfigurationCreate a.envfile in the root directory with the following variables:# Required: Private key for contract deployment PRIVATE_KEY=your_private_key_here # Required: Network for deployment (testnet/mainnet) NETWORK=testnet # Optional: 1inch API key for enhanced price feeds VITE_1INCH_DATA_API_KEY=your_1inch_api_key_here ### **Testing** ```bash # Test smart contracts npm run test # Deploy to testnet npm run deploy:testnet # Verify contracts npm run verify-contracts ``` ## 🎯 Key Features Demo ### **1. Dutch Auction Trading** - Create time-decay orders with automatic price reduction - Real-time countdown timers and price updates - Optimal execution for large orders ### **2. Cross-Chain Bridging** - Seamless asset transfers between chains - Optimized routing and fee calculation - Real-time transaction status updates ### **3. Advanced Analytics** - Live trading volume and market data - Network-specific performance metrics - Portfolio tracking and performance analysis ### **4. Multi-Chain Support** - Single wallet connection for all chains - Network-aware token selection - Chain-specific price feeds and data ## 🔧 Development ### **Smart Contract Architecture** - **Factory Pattern**: Gas-efficient user-specific resolver deployment - **Proxy Pattern**: Upgradeable contract infrastructure - **Modular Design**: Separated concerns for price feeds, bridging, and trading ### **Frontend Architecture** - **Context API**: Shared state management - **Custom Hooks**: Reusable blockchain interactions - **Responsive Design**: Mobile-first approach - **Type Safety**: Full TypeScript coverage ## 📄 License This project is licensed under the MIT License. --