Unite Cosmos
Unite Cosmos: Fusion Plus/Atomic swap between cosmos and ethereum
Demo
About
Cross-Chain Atomic Swap Escrow System ��Project Overview This is a cross-chain atomic swap escrow system that enables secure, trustless token exchanges between Ethereum and Cosmos blockchains. The system implements a sophisticated escrow mechanism that allows users to swap tokens across different blockchain ecosystems without requiring a trusted third party. �What It Does Core Functionality The system enables users to: - Deposit tokens on one blockchain (e.g., 0.1 ETH on Ethereum) - Receive tokens on another blockchain (e.g., 100 OSMO on Osmosis/Cosmos) - Complete the swap atomically using cryptographic secrets - Cancel and recover funds if the swap doesn't complete within a timelock 1. Trustless Operation - No trusted third parties required - Cryptographic guarantees ensure atomic execution - Users maintain full control of their funds 2. Cross-Chain Compatibility - Supports different blockchain architectures - Handles different address formats and token standards - Extensible to additional chains 🔮 Future Enhancements Planned Features - Multi-Token Support: Support for more token standards - UI/UX: Web interface for non-technical users - Analytics: Cross-chain transaction monitoring
How it's made
How This Cross-Chain Escrow System Was Built 🛠️ Development Process & Technical Implementation Phase 1: Foundation & Architecture Design Technology Selection: Rust/CosmWasm for Cosmos: CosmWasm ecosystem compatibility Solidity for Ethereum: Industry standard with extensive tooling and community support TypeScript/Node.js for orchestration: Type safety, async/await support, and rich ecosystem Key Design Decisions: Cosmos: contract for simplicity and state management but address of each contract has different address Cross-Chain: Hashlock-based linking mechanism 🔐 Phase 2: Escrow Points Ethereum Escrow: Same as 1inch Cosmos Escrow CosmWasm contract handles both source and destination escrows - create_src_escrow() and create_dst_escrow() messages - withdraw_src() and withdraw_dst() for secret-based withdrawals - cancel_src() and cancel_dst() for maker cancellations - public_withdraw_src() and public_withdraw_dst() for post-timelock operations - rescue() function for emergency fund recovery - State management through immutable parameters - Native token and CW-20 token support 🔧Phase: 3: Resolver Points CrossChainResolver Class - Orchestrates operations across Ethereum and Cosmos chains - Manages in-memory escrow state tracking - Handles cross-chain escrow creation and linking - Provides unified interface for withdrawals and cancellations - Implements retry logic for failed operations - Validates escrow configurations before execution - Manages cryptographic secret generation and hashlock creation - Handles error recovery and state synchronization