feat: add BASE network id

Author: bonustrack

src/helpers/utils.ts

@@ -8,7 +8,7 @@ import snapshot from '@snapshot-labs/snapshot.js';
 import { Response } from 'express';
 import fetch from 'node-fetch';
 
-const MAINNET_NETWORK_ID_WHITELIST = ['s', 'eth', 'matic', 'arb1', 'oeth', 'sn'];
+const MAINNET_NETWORK_ID_WHITELIST = ['s', 'eth', 'matic', 'arb1', 'oeth', 'sn', 'base'];
 const TESTNET_NETWORK_ID_WHITELIST = ['s-tn', 'sep', 'linea-testnet', 'sn-sep'];
 const broviderUrl = process.env.BROVIDER_URL ?? 'https://rpc.snapshot.org';