Unlock-MCP

import { ethers } from "ethers"; export const CHAINS = { 8453: { name: "Base", short: "base-mainnet" }, 84532: { name: "Base-Sepolia", short: "base-sepolia" }, }; export function rpc(chainId: 8453 | 84532): string { const { short } = CHAINS[chainId]; if (process.env.INFURA_API_KEY) { return `https://${short}.infura.io/v3/${process.env.INFURA_API_KEY}`; } if (process.env.ALCHEMY_API_KEY) { return `https://${short}.g.alchemy.com/v2/${process.env.ALCHEMY_API_KEY}`; } throw new Error("Provide INFURA_API_KEY or ALCHEMY_API_KEY"); }