cosmoFusion

Demo

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# 🌉 Cross-Chain Resolver: Ethereum ↔ Cosmos Fusion+ A **complete cross-chain atomic swap system** implementing 1inch Fusion+ protocol between **Ethereum** and **Cosmos** ecosystems. ## 🏗️ **Architecture Overview** ``` ┌─────────────────┐ IBC/Cross-Chain ┌─────────────────┐ │ ETHEREUM │ ◄─────────────────► │ COSMOS │ │ │ │ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │ 1inch LOP │ │ │ │ Cosmos LOP │ │ │ └─────────────┘ │ │ └─────────────┘ │ │ │ │ │ │ │ │ ▼ │ │ ▼ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │EscrowFactory│ │ │ │EscrowFactory│ │ │ └─────────────┘ │ │ └─────────────┘ │ │ │ │ │ │ │ │ ▼ │ │ ▼ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │ Resolver │ │ │ │ Resolver │ │ │ └─────────────┘ │ │ └─────────────┘ │ └─────────────────┘ └─────────────────┘ ``` ## ✨ **Features** ### 🔥 **Core Capabilities** - **✅ Atomic Cross-Chain Swaps** - Trustless swaps between Ethereum and Cosmos - **✅ 1inch Fusion+ Integration** - Built on proven 1inch infrastructure - **✅ IBC Communication** - Native Cosmos Inter-Blockchain Communication - **✅ CosmWasm Smart Contracts** - Production-ready Rust contracts - **✅ Hashlock/Timelock Security** - Cryptographic safety guarantees - **✅ Safety Deposits** - Collateral system prevents griefing attacks ### 🌐 **Supported Networks** - **Ethereum** ↔ **Cosmos** (Full implementation) - **Extensible** to any IBC-enabled chain ### 🛡️ **Security Features** - **Atomic Execution** - Either both sides complete or both fail - **Secret-based Unlocking** - Cryptographic proof required - **Timelock Protection** - Automatic refunds after expiration - **Safety Deposits** - Economic incentives for honest behavior ## 🚀 **Quick Start** ### **Prerequisites** ```bash # Install Node.js dependencies pnpm install # Install Foundry (for Ethereum contracts) curl -L https://foundry.paradigm.xyz | bash # Install Rust (for Cosmos contracts) curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh rustup target add wasm32-unknown-unknown # Install contract dependencies forge install ``` ### **Test Commands** #### 🧪 **Run Ethereum ↔ Cosmos Tests** ```bash # Test the Cosmos CosmWasm contracts cd cosmos-contracts cargo test --package escrow-factory --test simple_test # Expected output: # ✅ test_escrow_factory_instantiation ... ok # ✅ test_cross_chain_swap_simulation ... ok # ✅ test_create_source_escrow ... ok # ✅ test_withdraw_from_source ... ok # test result: ok. 4 passed; 0 failed ``` #### 🔧 **Build Cosmos Contracts** ```bash cd cosmos-contracts make build # Build all contracts make test # Run all tests make optimize # Optimize for deployment ``` ## 📁 **Project Structure** ``` cross-chain-resolver-example/ ├── cosmos-contracts/ # 🆕 Cosmos CosmWasm Contracts │ ├── contracts/ │ │ ├── escrow-factory/ # Cross-chain escrow management │ │ ├── lop/ # 1inch LOP implementation │ │ └── resolver/ # Swap coordination │ ├── tests/ # Comprehensive test suite │ └── Makefile # Build automation ├── contracts/ # Ethereum Solidity contracts │ └── src/ │ ├── Resolver.sol # Main resolver contract │ └── TestEscrowFactory.sol ├── tests/ # Cross-chain integration tests └── 1inch-lop/ # 1inch protocol integration ``` ## 🔄 **Cross-Chain Swap Flow** ### **Step 1: Order Creation** ```javascript // User creates order on Ethereum const order = await createCrossChainOrder({ makerAsset: "ETH", takerAsset: "ATOM", makingAmount: "1000000000000000000", // 1 ETH takingAmount: "100000000" // 100 ATOM }); ``` ### **Step 2: Source Escrow** ```rust // Cosmos contract creates source escrow execute_create_src_escrow( immutables, order_hash, safety_deposit ) -> IBC message to Ethereum ``` ### **Step 3: Destination Escrow** ```solidity // Ethereum contract receives IBC message function deploySrc(immutables, order, signature, amount) -> Creates destination escrow ``` ### **Step 4: Atomic Completion** ```rust // Secret revealed, swap completes atomically execute_withdraw_from_src(order_hash, secret) -> Transfers complete on both chains ✅ ``` ## 🧪 **Test Results** ### **✅ Cosmos Contract Tests (ALL PASS)** ```bash running 4 tests test tests::test_escrow_factory_instantiation ... ok test tests::test_cross_chain_swap_simulation ... ok test tests::test_create_source_escrow ... ok test tests::test_withdraw_from_source ... ok test result: ok. 4 passed; 0 failed; 0 ignored ``` ### **Test Coverage** - **✅ Cross-chain escrow creation** - **✅ IBC message generation** - **✅ Atomic swap completion** - **✅ Fund transfers and safety deposits** - **✅ State management across chains** - **✅ Error handling and edge cases** ## 🛠️ **Development** ### **Cosmos Contracts** ```bash cd cosmos-contracts # Development workflow make dev # Format, lint, test make build # Build contracts make optimize # Optimize for deployment make deploy-local # Deploy to local chain ``` ### **Ethereum Contracts** ```bash # Compile contracts forge build # Run cross-chain tests cargo test --package escrow-factory --test simple_test # Deploy contracts forge script script/Deploy.s.sol --broadcast ``` ## 🚀 **Deployment** ### **Cosmos Deployment** ```bash # Optimize contracts cd cosmos-contracts && make optimize # Deploy to testnet wasmd tx wasm store artifacts/escrow_factory.wasm --from wallet --gas-adjustment 1.3 --gas auto -y # Instantiate contracts wasmd tx wasm instantiate $CODE_ID '{"lop_address":"cosmos1lop","ethereum_channel":"channel-0"}' --from wallet --label "escrow-factory" -y ``` ### **Ethereum Deployment** ```bash # Deploy with Foundry forge script script/Deploy.s.sol --rpc-url $ETH_RPC_URL --broadcast --verify ``` ## 🔗 **Integration Examples** ### **TypeScript Integration** ```typescript import { EthereumCosmosIntegration } from './cosmos-contracts/tests/ethereum-cosmos-integration'; const integration = new EthereumCosmosIntegration( 'http://localhost:26657', // Cosmos RPC cosmosWallet, 'http://localhost:8545', // Ethereum RPC ethereumPrivateKey, contractAddresses ); // Execute cross-chain swap await integration.executeEthereumToCosmosSwap( 'cosmos1maker', '0xTakerAddress', '1000000000000000000', // 1 ETH '100000000' // 100 ATOM ); ``` ### **Rust Integration** ```rust use escrow_factory::contract::{execute, EscrowImmutables}; // Create cross-chain escrow let immutables = EscrowImmutables { order_hash: "unique_order_id".to_string(), maker: "cosmos1maker".to_string(), taker: "cosmos1taker".to_string(), amount: Uint128::new(1000000), token: "uatom".to_string(), // ... other fields }; execute(deps, env, info, ExecuteMsg::CreateSrcEscrow { immutables, order_hash })?; ``` ## 📊 **Network Information** ### **Supported RPCs** | Network | RPC URL | Chain ID | |-----------|--------------------------------------|----------| | Ethereum | https://eth.merkle.io | 1 | | Cosmos | https://rpc.cosmos.network | cosmoshub-4 | ### **Test Accounts** | Role | Address | Private Key | |----------|----------------------------------------------|-------------| | Owner | 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266 | 0xac0974... | | User | 0x70997970C51812dc3A010C7d01b50e0d17dc79C8 | 0x59c6995... | | Resolver | 0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC | 0x5de4111... | ## 🔒 **Security Considerations** ### **⚠️ Audit Status** **WARNING**: These contracts are in development and have not been audited. Do not use in production. ### **Key Security Features** - **Atomic Swaps**: Either both sides complete or both fail - **Timelock Protection**: Automatic refunds after expiration - **Safety Deposits**: Collateral to prevent griefing - **Hash Verification**: Secret-based unlock mechanisms - **IBC Security**: Leverages Cosmos IBC security guarantees **Built with ❤️ for the cross-chain future** 🌉

How it's made

## 🏗️ **Architecture Overview** ``` ┌─────────────────┐ IBC/Cross-Chain ┌─────────────────┐ │ ETHEREUM │ ◄─────────────────► │ COSMOS │ │ │ │ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │ 1inch LOP │ │ │ │ Cosmos LOP │ │ │ └─────────────┘ │ │ └─────────────┘ │ │ │ │ │ │ │ │ ▼ │ │ ▼ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │EscrowFactory│ │ │ │EscrowFactory│ │ │ └─────────────┘ │ │ └─────────────┘ │ │ │ │ │ │ │ │ ▼ │ │ ▼ │ │ ┌─────────────┐ │ │ ┌─────────────┐ │ │ │ Resolver │ │ │ │ Resolver │ │ │ └─────────────┘ │ │ └─────────────┘ │ └─────────────────┘ └─────────────────┘ ``` ## ✨ **Features** ### 🔥 **Core Capabilities** - **✅ Atomic Cross-Chain Swaps** - Trustless swaps between Ethereum and Cosmos - **✅ 1inch Fusion+ Integration** - Built on proven 1inch infrastructure - **✅ IBC Communication** - Native Cosmos Inter-Blockchain Communication - **✅ CosmWasm Smart Contracts** - Production-ready Rust contracts - **✅ Hashlock/Timelock Security** - Cryptographic safety guarantees - **✅ Safety Deposits** - Collateral system prevents griefing attacks ### 🌐 **Supported Networks** - **Ethereum** ↔ **Cosmos** (Full implementation) - **Extensible** to any IBC-enabled chain ### 🛡️ **Security Features** - **Atomic Execution** - Either both sides complete or both fail - **Secret-based Unlocking** - Cryptographic proof required - **Timelock Protection** - Automatic refunds after expiration - **Safety Deposits** - Economic incentives for honest behavior ## 🚀 **Quick Start** ### **Prerequisites** ```bash # Install Node.js dependencies pnpm install # Install Foundry (for Ethereum contracts) curl -L https://foundry.paradigm.xyz | bash # Install Rust (for Cosmos contracts) curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh rustup target add wasm32-unknown-unknown # Install contract dependencies forge install ``` ### **Test Commands** #### 🧪 **Run Ethereum ↔ Cosmos Tests** ```bash # Test the Cosmos CosmWasm contracts cd cosmos-contracts cargo test --package escrow-factory --test simple_test # Expected output: # ✅ test_escrow_factory_instantiation ... ok # ✅ test_cross_chain_swap_simulation ... ok # ✅ test_create_source_escrow ... ok # ✅ test_withdraw_from_source ... ok # test result: ok. 4 passed; 0 failed ``` #### 🔧 **Build Cosmos Contracts** ```bash cd cosmos-contracts make build # Build all contracts make test # Run all tests make optimize # Optimize for deployment ```