Claude Code là cơ sở. > thêm một tuyến wrap vào ethereum để wrap ETH thành WETH const WETH_ABI = [ 'function name() view returns (string)', 'function symbol() view returns (string)', 'function decimals() view returns (uint8)', 'function balanceOf(address owner) view returns (uint256)', 'function transfer(address to, uint256 amount) returns (bool)', 'function deposit() public payable', 'function withdraw(uint256 amount) public', ]; const WETH_ADDRESSES: { [key: string]: string } = { mainnet: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', arbitrum: '0x82aF49447D8a07e3bd95BD0d56f35241523fBab1', optimism: '0x4200000000000000000000000000000000000006', base: '0x4200000000000000000000000000000000000006', sepolia: '0xfFf9976782d46CC05630D1f6eBAb18b2324d6B14', polygon: '0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619', bsc: '0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c', // Đây là WBNB trên BSC avalanche: '0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7', // Đây là WAVAX trên Avalanche celo: '0x471EcE3750Da237f93B8E339c536989b8978a438', // Đây là CELO wrapped blast: '0x4300000000000000000000000000000000000004', zora: '0x4200000000000000000000000000000000000006', worldchain: '0x4300000000000000000000000000000000000004', };