Setup

This section will guide you through setting up the Nodejs project.

Prerequisites

Ensure you have Node.js installed on your system. If not, download and install it from Node.js's official website.

1. Initialize Your Node.js Project

First, create an empty directory for your project and navigate into it using your terminal or command prompt. Once inside your project directory, initialize a new Node.js project by running:

npm init -y

This command creates a package.json file in your directory, marking it as the root of a Node.js project. The -y flag automatically fills the project details for quick setup.

2. Install Dependencies

The trading bot requires several dependencies to function correctly. Install them using the following npm command:

npm install dotenv web3 axios ws bignumber.js

Here's what each package is for:

• dotenv: Loads environment variables from a .env file into process.env, useful for managing sensitive variables like private keys.

• web3: A collection of libraries that allow you to interact with a local or remote blockchain node, using an HTTP connection.

• axios: A promise-based HTTP client for making requests to external services.

• ws: A WebSocket client and server for Node.js.

• bignumber.js: A JavaScript library for arbitrary-precision decimal and non-decimal arithmetic.

3. Import Dependencies in Your Project

Now that you've installed the necessary packages, you can import them into your project. Create a new file named bot.js (or any name you prefer for your main file) and add the following code at the top:

require('dotenv').config();
const { Web3 } = require('web3');
const axios = require('axios');
const WebSocket = require('ws');
const BigNumber = require('bignumber.js');

This code snippet does the following:

• Loads the environment variables set in your .env file.

• Imports Web3, axios, WebSocket, and BigNumber for use in your project, allowing you to interact with the Ethereum blockchain, make HTTP requests, handle WebSocket connections, and perform precise numerical operations, respectively.

Next Steps

After setting up your project environment, you're now ready to implement some of the core functionalities. The next sections will guide you through the basic processes.