Tag: bot

Các thư viện sử dụng

https://discord.js.org

https://www.npmjs.com/package/node-fetch

Yêu cầu máy đã cài nodejs

Tạo app trên discord: https://discordapp.com/developers/docs/intro

Lấy token để sử dụng sau:

Sử dụng Visual Code để code.

Tạo file bot.js

Code:

npm install discord.js

const Discord = require('discord.js');
const client = new Discord.Client();

const commandPrefix = "!";

client.on('ready', () => {
  console.log(`Logged in as ${client.user.tag}!`);
});

client.on('message', (message)=> {
    if(!message.content.startsWith(commandPrefix)) return;
    const args = message.content.slice(commandPrefix.length).trim().split(/ +/g);
    const command = args.shift().toLowerCase();
       
    switch(command){
    	case "hello":
			hello(message);
    	break;
    	case "help":
			help(message);
    	break;
    	case "ping":
			sendText(message, "Pong");
    	break;
    	case "clear":
    		clear(message);
    	break;
    	case "cmc":
    		coinmarketcap(message);
    	break;
    	case "c":
    		chart(message, args);
    	break;
    	case "p":
    		price(message, args);
    	break;    	
    	default:
    		sendText(message, "Command not found.")
    	break;
    }
});

client.login('NDQyMDAyMTAyODAyMzE3MzMz.DdMfbw.3eV-Qk5N2TpDIDgatQb1ILeD0Hc');

Các hàm chính trong bot

function hello(message){
	message.channel.send("Hello " + message.author + "! Nice to meet you. :smiley: ");
}
function help(message){
	 let embed = new Discord.RichEmbed()            
            .setAuthor("Hello world", "http://icons.iconarchive.com/icons/froyoshark/enkel/256/Bitcoin-icon.png")
            .addField("!hello", "Sends a friendly message!")
            .addField("!help", "Sends this help embed")
            .addField("!cmc", "Coin Market Cap")
            .addField("!ping", "Ping")
            .addField("!p", "Price of coin. Ex: BTCUSDT or price BTC")
            .setTitle("Bot commands:")
            .setFooter("Here you have all bot commands you can use!")
            .setColor("AQUA");        
        message.channel.send({embed: embed});
}
function sendText(message, text){
	message.channel.send(text).then(msg=>{msg.delete(10000)}); 
    message.delete(12000);
}

function clear(message){
	if (message.member.hasPermission("MANAGE_MESSAGES")) {
        message.channel.fetchMessages()
           .then(function(list){
                message.channel.bulkDelete(list);
            }, function(err){message.channel.send("ERROR: ERROR CLEARING CHANNEL.")})                        
    }
    else{
    	console.log("You don't have permission");
    }

Hàm lấy giá trên coinmarketcap.com

npm install node-fetch

function coinmarketcap(message){
	    let url = 'https://api.coinmarketcap.com/v2/global/';	
		let bitcoin_percentage_of_market_cap='';
		let total_market_cap= '';
		let total_volume_24h = '';
		let last_updated = '';
		fetch(url)
    	.then(res => res.json())
    	.then(json => {
    		// console.log(json);
    		bitcoin_percentage_of_market_cap =  json.data.bitcoin_percentage_of_market_cap;
    		total_market_cap = json.data.quotes.USD.total_market_cap;
 			total_volume_24h = json.data.quotes.USD.total_volume_24h;
 			last_updated = json.data.last_updated;
			
 			let embed = new Discord.RichEmbed()
 			.setAuthor("Coinmarketcap", "http://icons.iconarchive.com/icons/froyoshark/enkel/256/Bitcoin-icon.png")
            .addField("Market Cap (USD):", numberFormat(total_market_cap))
            .addField("24h Vol (USD): ", numberFormat(total_volume_24h))
            .addField("BTC Dominance(%): ", bitcoin_percentage_of_market_cap)            
            .setFooter("Last Updated: " + timeConverter(last_updated))
            .setColor("AQUA");

        // Send the embed with message.channel.send()
        message.channel.send({embed: embed}).then(msg=>{msg.delete(10000)}); 
        message.delete(12000);       
    	});    	 
}

Thêm bot vào Server Discord

Open link & thay bằng client_id của bạn trên trình duyệt

Khởi chạy bot

node bot.js

Demo

 

Source code:  GitHub

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