@whatsgood/nexus

Introduction

Welcome to Nexus - a simple TypeScript proxy server for any Ethereum JSON RPC compliant blockchain. Instead of connecting your dApps to a blockchain node, you can connect them to Nexus and Nexus serves the requests for you. Nexus is open source and free to use.

Documentation

Check out our documentation for detailed instructions.

Installation

# npm
npm install @whatsgood/nexus

# pnpm
pnpm install @whatsgood/nexus

# yarn
yarn add @whatsgood/nexus

Quickstart

// Cloudflare worker example

import { Nexus } from "@whatsgood/nexus";

type Env = Record<string, string>;

const nexus = Nexus.create<Env>({
  providers: (ctx) => [
    {
      name: "alchemy",
      key: ctx.ALCHEMY_KEY,
    },
    {
      name: "infura",
      key: ctx.INFURA_KEY,
    },
    {
      name: "ankr",
      key: ctx.ANKR_KEY,
    },
  ],
  globalAccessKey: (ctx) => ctx.NEXUS_GLOBAL_ACCESS_KEY,
  chains: [1],
});

export default {
  fetch: nexus.fetch,
};