#!/usr/bin/env node
import { argv, exit } from "process";
import { createPublicClient, http, formatEther } from "viem";
const NETWORKS = {
mainnet: {
name: "Ethereum Mainnet",
rpc: process.env.MAINNET_RPC_URL
? [process.env.MAINNET_RPC_URL]
: [
"https://ethereum-rpc.publicnode.com",
"https://eth.llamarpc.com",
"https://cloudflare-eth.com",
],
chainId: 1,
},
sepolia: {
name: "Sepolia Testnet",
rpc: process.env.SEPOLIA_RPC_URL
? [process.env.SEPOLIA_RPC_URL]
: ["https://rpc.sepolia.org", "https://sepolia.publicnode.com"],
chainId: 11155111,
},
abstract: {
name: "Abstract Testnet",
rpc: [process.env.ABSTRACT_RPC_URL ?? "https://api.testnet.abs.xyz"],
chainId: 11124,
},
};
function usage() {
// eslint-disable-next-line no-console
console.error(`Usage: npm run balance [address]\nIf no address is provided, uses ABSTRACT_WALLET env var.\nOptional: set env MAINNET_RPC_URL, SEPOLIA_RPC_URL, ABSTRACT_RPC_URL to override RPC endpoints.`);
}
const address = argv[2] || process.env.ABSTRACT_WALLET;
if (!address) {
usage();
exit(1);
}
if (!/^0x[a-fA-F0-9]{40}$/.test(address)) {
// eslint-disable-next-line no-console
console.error("Invalid address provided.");
exit(1);
}
(async () => {
try {
for (const key of Object.keys(NETWORKS)) {
const { name, rpc } = NETWORKS[key];
const rpcList = Array.isArray(rpc) ? rpc : [rpc];
let eth = null;
for (const url of rpcList) {
try {
const client = createPublicClient({ transport: http(url) });
const balance = await client.getBalance({ address });
eth = formatEther(balance);
break; // succeeded
} catch (err) {
continue; // try next endpoint
}
}
if (eth === null) {
console.error(`All RPCs failed for ${name}`);
continue;
}
// eslint-disable-next-line no-console
console.log(`${name}: ${eth} ETH`);
}
} catch (err) {
// eslint-disable-next-line no-console
console.error("Unexpected error:", err);
exit(1);
}
})();
