// Example Rhai script for interacting with smart contracts using Hero Vault // This script demonstrates loading a contract ABI and interacting with a contract // Step 1: Set up wallet and network let space_name = "contract_demo_space"; let password = "secure_password123"; print("Creating key space: " + space_name); if create_key_space(space_name, password) { print("✓ Key space created successfully"); // Create a keypair print("\nCreating keypair..."); if create_keypair("contract_key", password) { print("✓ Created contract keypair"); } // Step 2: Create an Ethereum wallet for Gnosis Chain print("\nCreating Ethereum wallet..."); if create_ethereum_wallet() { print("✓ Ethereum wallet created"); let address = get_ethereum_address(); print("Ethereum address: " + address); // Step 3: Define a simple ERC-20 ABI (partial) let erc20_abi = `[ { "constant": true, "inputs": [], "name": "name", "outputs": [{"name": "", "type": "string"}], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "symbol", "outputs": [{"name": "", "type": "string"}], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "decimals", "outputs": [{"name": "", "type": "uint8"}], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [{"name": "owner", "type": "address"}], "name": "balanceOf", "outputs": [{"name": "", "type": "uint256"}], "payable": false, "stateMutability": "view", "type": "function" } ]`; // Step 4: Load the contract ABI print("\nLoading contract ABI..."); let contract = load_contract_abi("Gnosis", "0x4ECaBa5870353805a9F068101A40E0f32ed605C6", erc20_abi); if contract != "" { print("✓ Contract loaded successfully"); // Step 5: Call read-only functions print("\nCalling read-only functions..."); // Get token name let token_name = call_contract_read(contract, "name"); print("Token name: " + token_name); // Get token symbol let token_symbol = call_contract_read(contract, "symbol"); print("Token symbol: " + token_symbol); // Get token decimals let token_decimals = call_contract_read(contract, "decimals"); print("Token decimals: " + token_decimals); // Note: In a full implementation, we would handle function arguments // For now, we're just demonstrating the basic structure print("Note: balanceOf function requires an address argument, which is not implemented in this example"); print("In a full implementation, we would pass the address and get the balance"); } else { print("✗ Failed to load contract"); } } else { print("✗ Failed to create Ethereum wallet"); } } else { print("✗ Failed to create key space"); } print("\nContract example completed");