const DEBUG = true;
const DEBUG_MNEMONIC =
    "cube evolve unfold result inch risk jealous skill hotel bulb night wreck";

const ETHEREUM_MAINNET_CHAIN_ID = "0x1";
const ETHEREUM_SEPOLIA_CHAIN_ID = "0xaa36a7";

const DEFAULT_RPC_URL = "https://ethereum-rpc.publicnode.com";

const DEFAULT_BLOCKSCOUT_URL = "https://eth.blockscout.com/api/v2";

const BIP44_ETH_PATH = "m/44'/60'/0'/0";

const ERC20_ABI = [
    "function name() view returns (string)",
    "function symbol() view returns (string)",
    "function decimals() view returns (uint8)",
    "function balanceOf(address) view returns (uint256)",
    "function transfer(address to, uint256 amount) returns (bool)",
    "function allowance(address owner, address spender) view returns (uint256)",
    "function approve(address spender, uint256 amount) returns (bool)",
];

// Known null/burn addresses that permanently destroy funds.
const BURN_ADDRESSES = new Set([
    "0x0000000000000000000000000000000000000000",
    "0x0000000000000000000000000000000000000001",
    "0x000000000000000000000000000000000000dead",
    "0xdead000000000000000000000000000000000000",
    "0x00000000000000000000000000000000deadbeef",
]);

function isBurnAddress(address) {
    return BURN_ADDRESSES.has(address.toLowerCase());
}

module.exports = {
    DEBUG,
    DEBUG_MNEMONIC,
    ETHEREUM_MAINNET_CHAIN_ID,
    ETHEREUM_SEPOLIA_CHAIN_ID,
    DEFAULT_RPC_URL,
    DEFAULT_BLOCKSCOUT_URL,
    BIP44_ETH_PATH,
    ERC20_ABI,
    BURN_ADDRESSES,
    isBurnAddress,
};