Blockchain Discord Bot – Construct a Discord Bot for On-Chain Occasions

In terms of crypto communities, Discord is a particularly common platform. Therefore, we wish to present you easy methods to construct a Discord bot for on-chain occasions, and because of the Moralis Streams API, you possibly can construct a crypto monitor Discord bot effortlessly. All it takes is a free Moralis account, a Discord server, and a few easy JavaScript programming. Furthermore, constructing a Discord bot is lots easier than you would possibly suppose, and on this article, we’re going to perform this in 5 easy steps:

Setting Up a Easy NodeJS Specific Backend   Including a New Moralis Stream Verifying the Webhook SenderSetting Up a Discord Bot Implementing an Instance Blockchain Discord Bot  

Moreover, it shouldn’t take greater than twenty minutes to set issues up. Additionally, because of Moralis’ cross-chain interoperability, one of the best factor about our Discord bot is you could hearken to any on-chain occasion on Ethereum and different EVM-compatible chains. However, for the sake of this tutorial, we’ll concentrate on the Polygon testnet (Mumbai).

Transferring ahead, we’ll first be certain that you all know what a Discord bot is. Then, we’ll dive into at present’s tutorial. Nevertheless, earlier than we present you easy methods to construct a Discord bot, we’ll check out a demo, which can assist you to higher perceive what a crypto monitor Discord bot is. As well as, by seeing our demonstration, you’ll additionally be capable to determine whether or not or not you wish to concentrate on constructing a Discord bot to your personal functions. With that mentioned, when you already know what a Discord bot is, be at liberty to dive proper into our blockchain Discord bot tutorial.   

What’s a Discord Bot?

Should you’ve completed any on-line purchasing, you’ve in all probability encountered chatbots. These bots are packages that assist automate sure processes. Furthermore, when these types of AI-driven instruments are used to automate duties on Discord servers, they’re known as Discord bots. As chances are you’ll know, Discord servers supply many options, lots of which could be automated. 

So, what precisely is a blockchain Discord bot? It’s a Discord bot that triggers a selected motion on a selected Discord server when a specific on-chain occasion (the one which the bot listens to) happens. Therefore, a crypto monitor Discord bot is a really sensible instrument for all types of crypto Discord communities. In spite of everything, it could actually add numerous worth to non-public and public Discord channels. 

It’s additionally price mentioning that the Discord bot characteristic is offered on Discord’s developer portal. As such, you don’t need to do any critical coding to create Discord bots. As an alternative, you possibly can merely choose among the many given choices and use Discord’s pre-built options. You’ll get to see this, as we present you easy methods to construct a Discord bot within the part beneath. 

Methods to Construct a Discord Bot for Blockchain Occasions

Constructing a Discord bot for crypto is easy, because of Moralis’ Streams API. This highly effective instrument allows you to stream blockchain knowledge into your backend (on this case, Discord’s backend) through webhooks. To entry this highly effective instrument, you solely want a free Moralis account. After all, you additionally must determine what on-chain occasions curiosity you. This may decide whether or not you possibly can hearken to an present sensible contract or when you’ll must create and deploy your sensible contract first. Nevertheless, for the sake of this tutorial, we’ll use an present sensible contract. The truth is, to keep away from any confusion, begin by specializing in our instance Web3 contract. 

Additionally, to construct your personal crypto monitor Discord bot following our lead, you’ll need the next instruments:

A Moralis account, which you’ll create totally free!Some sort of code editor or IDE. We’ll be utilizing Visible Studio Code (VSC). A Discord server and entry to Discord’s developer portal.A blockchain explorer. Our instance Web3 contract is on the Mumbai community, so we’ll be utilizing PolygonScan.The Postman platform (non-compulsory). It is a instrument that can assist you make API calls to completely different posts, get endpoints, and many others.

Furthermore, we’ll take you thru the next steps:

Setting Up a Easy NodeJS Specific Backend   Including a New Moralis Stream Verifying the Webhook Sender It’s essential to be certain that solely Moralis could make a webhook publish. Setting Up a Discord Bot   Implementing an Instance Blockchain Discord Bot Sending messages with Discord.js

Now, as talked about above, earlier than we present you easy methods to construct a Discord bot, let’s check out an indication. 

Our Crypto Monitor Discord Bot – Demo

So, that is our instance Discord server, which we created for the sake of this tutorial:

Wanting on the above screenshot, you possibly can see our crypto monitor Discord bot (“DonationBot”) in the correct sidebar. Subsequent, we use PolygonScan to work together with our instance “donationExample” sensible contract. Clearly, that is the sensible contract that our instance blockchain Discord bot listens to.

The above picture reveals you that by clicking on the “Write” button on PolygonScan’s web page for our instance Web3 contract, we really execute an on-chain transaction utilizing MetaMask. Additionally, as you possibly can see above, we donated six MATIC tokens. Lastly, as quickly as our transaction goes by means of, our Discord bot posts a message informing our Discord members about this donation:

As you possibly can see, the message contains the donor’s deal with and the donated quantity. Nevertheless, the important thing level is that the on-chain occasion (a donation transaction) triggered our Discord bot. 

Should you discover this characteristic helpful, make sure that to observe our lead within the upcoming sections, the place we’ll cowl constructing a Discord bot that listens to on-chain occasions (just like the one offered on this demo). 

Setting Up a Easy NodeJS Specific Backend   

If you wish to learn to construct a Discord bot for on-chain occasions the simple approach, begin with a easy NodeJS Specific dapp. You will discover the starter code in our GitHub repo for this tutorial. Additionally, be sure to have “ngrok” put in to create a “ngrok” tunnel to your Specific dapp. To do that, open a brand new terminal and enter the next command:

ngrok http 3000

Notice: In case you might be utilizing a distinct port, make sure that to exchange “3000” accordingly.

Because of working the above command, you’ll get an deal with the place your Specific dapp will likely be working:

Subsequent, you wish to set up all of the dependencies with this command:

npm i specific moralis discord.js dotenv

Furthermore, we suggest that you just additionally set up “nodemon” so that you just’ll be capable to view modifications with no need to cease and restart your server. Therefore, additionally use the command beneath:

npm i nodemon

With the dependencies in place, open your “package deal.json” file and add the “begin” script for “nodemon“:

Lastly, you might be able to run your dapp utilizing the command beneath:

npm run begin

Including a New Moralis Stream

Along with your dapp working, it’s time to create a brand new Moralis Stream. To do that, you want your Moralis account. So, in case you haven’t created your account but, achieve this now. Utilizing your credentials, you’ll entry your admin space. From there, you’ll be capable to go to the “Streams” web page, the place you could click on on the “New Stream” button:

Then, choose the “Create From Scratch” possibility:

Subsequent, you could enter a number of particulars associated to the sensible contract you wish to hearken to. That is an important step of the “easy methods to construct a Discord bot” course of. Furthermore, sooner or later, you’ll wish to use your personal sensible contract or different already deployed contracts. Nevertheless, for the sake of this tutorial, we suggest you utilize our instance sensible contract (the “exampleDonation” contract).

Acquiring and Getting into Good Contract Particulars

By specializing in the “exampleDonation” contract, go to PolygonScan and duplicate this sensible contract’s deal with:

Then, return to your “Add new Stream” window and paste the above-copied deal with into the designated spot:

Transferring on, scroll down so as to add your new Moralis Stream’s description. This may be no matter you need; nevertheless, to keep away from any pointless confusion, you should use “New Donation”:

Subsequent, paste your “ngrok“ deal with within the “Webhook URL” entry discipline and add “/webhook” on the finish: 

So far as the tag goes, you possibly can go along with “NewDonation”:

In terms of deciding on networks, you could be sure to choose the community on which the sensible contract you wish to hearken to is. Should you keep in mind, the “exampleDonation” contract is on Polygon’s testnet. Thus, make sure that to pick the “Polygon Mumbai” possibility:

Then, you wish to choose the “Native Transactions” possibility (donations are made in MATIC):

Moreover, make sure that to activate “Occasion Emittance”:

Subsequent, return to PolygonScan to repeat the sensible contract’s ABI:

By pasting the copied ABI within the designated space, you’ll get to pick the occasion of this sensible contract:

Lastly, create your new Moralis Stream by clicking on the “Create Stream” button within the bottom-right nook. In consequence, you must get the “New Stream Created” success message. You also needs to be capable to see your Moralis Stream on the backside of the “Stream” web page:

Now you can check your Moralis Stream. To see precisely how to try this, use the video on the backside of the article, beginning at 5:36.

Verifying Webhook Sender 

With the present “index.js” code (as supplied within the “starter.js” file”), anybody together with your webhook deal with could make a publish request. As such, you have to implement the mandatory tweaks to confirm the webhook sender. First, import Moralis on the prime of your “index.js” file:

const Moralis = require(“moralis”).default;

Then, initialize an occasion of Moralis by including the next traces of code:

Moralis.begin({
apiKey: course of.env.APIKEY,
})

Wanting on the traces of code above, you see that you just want your Moralis Web3 API key. It’s essential to copy it out of your Moralis admin space:

Subsequent, return to VSC, create a brand new file (“.env”), and paste your Web3 key subsequent to “APIKEY”:

Along with your Web3 API key in place, return to the “index.js” file and require “dotenv” on the prime:

require(“dotenv”).config();

Now, you wish to guarantee that your dapp begins solely after beginning Moralis by placing “app.pay attention” inside “then”:

Moralis.begin({
apiKey: course of.env.APIKEY,
}).then(() => {
app.pay attention(port, () => {
console.log(`Listening to streams`);
});
});

Then, you additionally wish to have a look at “headers” and add Moralis’ “verifySignature”:

Notice: We encourage you to check your present progress by following our in-house knowledgeable’s lead (video beneath at 10:20). That is the place you’ll use Postman.

Setting Up a Discord Bot   

Demonstrating easy methods to construct a Discord bot wouldn’t be full with out us exhibiting you easy methods to arrange a Discord bot. So, begin by going to your Discord account. There, create a brand new server (“Blockchain Notify”). Should you’ve by no means created a Discord server earlier than, make sure that to make use of the video beneath (11:30). 

After you have your server prepared, it’s time so as to add a brand new Discord bot to that server. To try this, go to Discord’s developer portal and sign up. Then go to the “Functions” web page and click on on the “New Software” button:

Subsequent, identify your software, test the field, and hit the “Create” button: 

You may also add an icon to your software:

Then, you wish to choose the “Bot” possibility, click on on the “Add Bot” button, and make sure with a click on on “Sure, do it!”:

Transferring ahead, you wish to develop “OAuth2” and click on on the “URL Generator” possibility:

Subsequent, as indicated within the picture above, test the “bot” scope. Then, scroll down and test the “Ship Message” permission:

As proven within the above screenshot, copy the generated URL. By pasting that URL into your browser, you’ll be capable to choose a server to which you wish to add that bot:

To finalize this step of constructing a Discord bot for crypto, you’ll additionally must click on on the “Authorize” button and make sure that you’re human:

Now, you possibly can shut that tab and go to your Discord. Should you’ve adopted our directions, you must now have the “DonationBot” bot in your “Blockchain Notify” Discord server:

Implementing an Instance Blockchain Discord Bot – Sending Messages with Discord.js

On this closing step of our “easy methods to construct a Discord bot” quest, you could add the mandatory traces of code to make sure that the above-created bot turns into a crypto monitor Discord bot. Therefore, return to your “index.js” script and import “discord.js” on the prime:

const discord = require(“discord.js”);

Subsequent, create a Discord consumer slightly below the imports:

const consumer = new discord.Consumer({
intents: [],
});

consumer.login(course of.env.PASS);

Wanting on the backside line of the code above, you possibly can see that you could add the “PASS” variable to your “.env” file. To get this variable, return to your “DonationBot” software (the “Bot” possibility) and click on on the “Reset Token” button. Then copy the token:

Transferring on, go to your “.env” file, create the “PASS” variable, and paste within the above-copied token:

Subsequent, go to your Discord server, and duplicate your channel ID (right-click on the channel by which you need your bot to publish messages):

Return to the “.env” file and create a brand new variable that can retailer the above-copied ID:

Along with your variables in place, you possibly can add the mandatory traces of code inside “strive”:

let from = physique.txs[0].fromAddress;
let quantity = Quantity(physique.txs[0].worth / 1E18);

const channel = await consumer.channels.fetch(course of.env.CHANNEL);
channel.ship(`New Donation submitted by ${from}, for ${quantity.toFixed(2)} MATIC!!!!`);

Notice: You possibly can entry the ultimate code on GitHub.

With the above traces of code in place, you have got efficiently accomplished all 5 steps concerned within the “easy methods to construct a Discord bot” implementation. Now, make sure that to take your bot for a spin. For steerage, use the video beneath (17:34).

Final however not least, right here’s the video model of our “easy methods to construct a Discord bot” tutorial we’ve been referencing all through the article:

Blockchain Discord Bot – Construct a Discord Bot for On-Chain Occasions – Abstract

We coated fairly a distance in at present’s article. First, you had an opportunity to study what a Discord bot is. We additionally made positive you already know what a crypto monitor Discord bot is. With the fundamentals below your belt, you had a chance to observe our lead. Furthermore, by taking you thru the 5 major steps, we supplied you with all the main points associated to constructing a Discord bot. These 5 steps included:

Setting Up a Easy NodeJS Specific Backend   Including a New Moralis Stream Verifying the Webhook SenderSetting Up a Discord Bot Implementing an Instance Blockchain Discord Bot  

Nonetheless, we additionally shared a video tutorial containing further particulars about constructing a Discord bot for on-chain occasions. 

We recommend you utilize the “easy methods to construct a Discord bot” information obtained above to construct your personal crypto monitor Discord bot for an additional sensible contract. That approach, you’ll correctly solidify your information. Alternatively, chances are you’ll wish to discover different blockchain improvement matters and create all types of dapps. If that’s the case, you must use the Moralis docs, the Moralis YouTube channel, and the Moralis weblog. In spite of everything, these shops have the ability that can assist you turn into a Web3 developer totally free. For instance, a few of our newest matters present you easy methods to program sensible contracts on Solana, add recordsdata to IPFS, mint a coin on Solana, easy methods to create an NFT undertaking, and far more. 

After all, you can even take a extra skilled strategy to your crypto training. By enrolling in Moralis Academy, you possibly can turn into blockchain licensed and considerably enhance your probabilities of touchdown a crypto job. To create a correct basis, we encourage you to begin with the course specializing in blockchain and Bitcoin fundamentals.