How To Create My Scalping Bot Using Node.js

Posted By : Mohd

May 31, 2024

Scalping in crypto trading refers to a strategy that involves taking advantage of small price movements within a short time frame. This blog post will guide you through creating a basic scalping bot using Node.js as a part of crypto trading bot development in Blockchain. It is a popular JavaScript runtime, ideal for building fast and scalable network applications. 

 

Read Also | Building a Chatbot based on Blockchain 

 

Prerequisites 

 

Before diving into the code, ensure you have the following: Basic understanding of JavaScript and Node.js Node.js installed on your machine An account with a cryptocurrency exchange that supports API trading (e.g., Binance) 

 

Setting Up the Project

 

 First, let's set up our Node.js project. Open your terminal and create a new directory for your project:

 plaintext mkdir crypto-scalping-bot cd crypto-scalping-bot npm init -y

 This initializes a new Node.js project. Next, install the required packages: 

plaintext npm install axios node-binance-api technicalindicators 

These packages include: axios for making HTTP requests. node-binance-api for interacting with the Binance API. technical indicators for calculating technical indicators. 

 

Connecting to the Binance API

 

Create a new file called index.js in your project directory. We'll start by setting up the connection to the Binance API: 

plaintext const Binance = require('node-binance-api'); 
const axios = require('axios'); 
plaintext const binance = new Binance().options({ APIKEY: 'your-api-key', APISECRET: 'your-api-secret' });

 Replace 'your-api-key' and 'your-api-secret' with your actual Binance API key and secret.

 

Fetching Market Data 

 

To make informed trading decisions, our bot needs to fetch current market data. We'll fetch candlestick data (OHLC) to analyze price movements: 

plaintext const getMarketData = async (symbol, interval) => { 
try { const candles = await binance.candlesticks(symbol, interval); 
return candles.map(candle => ({ 
openTime: candle[0], open: parseFloat(candle[1]), high: parseFloat(candle[2]), low: parseFloat(candle[3]), close: parseFloat(candle[4]), volume: parseFloat(candle[5]) 
}));
} catch (error) { 
console.error('Error fetching market data:', error); 
}
};
plaintext (async () =>; { 
const marketData = await getMarketData('BTCUSDT', '1m'); 
console.log(marketData); 
})(); 

This function retrieves candlestick data for a specified symbol and interval. The BTCUSDT pair and a 1-minute interval are used here as an example. 

Implementing a Simple Scalping Strategy

 

We'll use the Relative Strength Index (RSI) as our technical indicator to identify potential buy and sell signals. First, we need to calculate the RSI: 

plaintext const { RSI } = require('technicalindicators'); 
plaintext const calculateRSI = (prices, period = 14) =>
{ 
	return RSI.calculate({ values: prices, period }); 
}; 

Now, let's implement the scalping strategy based on the RSI: 

plaintext const executeTrade = async (symbol, side, quantity) => { 
	try { const order = await binance.marketOrder(symbol, side, quantity); 
		console.log('Order executed:', order); 
	} catch (error) { 
		console.error('Error executing trade:', error); 
	}
 }; 
 const scalpingStrategy = async (symbol) => { 
 const marketData = await getMarketData(symbol, '1m'); 
 const closingPrices = marketData.map(data => data.close);
 const rsiValues = calculateRSI(closingPrices); 
 const lastRSI = rsiValues[rsiValues.length - 1]; 
 console.log('Last RSI:', lastRSI); 
 const quantity = 0.001; // Example quantity if (lastRSI < 30) { 
 // Buy signal 
 await executeTrade(symbol, 'BUY', quantity); 
 } else if (lastRSI > 70) { 
 // Sell signal 
 await executeTrade(symbol, 'SELL', quantity); 
 } 
 }; 
 setInterval(() => { scalpingStrategy('BTCUSDT'); }, 60000); // Run every minute

 In this strategy, we fetch the latest market data every minute and calculate the RSI based on the closing prices. If the RSI is below 30, we execute a buy order. If it is above 70, we execute a sell order. 

 

Also, Learn About | How to create Trading Signals using TradingView via Webhook

 

Conclusion

 

This post demonstrated how to create a basic scalping bot using Node.js and the Binance API. While this is a simple example, real-world trading bots require more robust error handling, risk management, and advanced strategies. Always test your bots thoroughly and be aware of the risks involved in automated trading. Contact our blockchain developers today for expert assistance in your blockchain project. 

 

References From : Medium : https://medium.com/

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