We started with a quick demo of our example token swap dapp and then walked you through the building steps. Today’s article gave you a chance to learn how to build a dapp that enables users to token swap ERC-20 tokens. How to Token Swap ERC-20 Tokens – Summary Nonetheless, let us also remind you that you can access the entire code using the “finished code” link above: This is also where you can see previews of our example dapp at several stages covered above. If you are interested in diving deeper into the code presented above, use the video below. Of course, the 1inch aggregator also needs to have a pool for that trading pair for users to be able to token swap those ERC-20 tokens of interest. To do this, you’d only need a token’s ticker and address and add an additional “option value”. ![]() As such, it’s worth repeating that you could easily add many other ERC-20 tokens and expand the list of options. Furthermore, above, you can see that this code focuses on “USDC” and “WETH”. You can also see that they trigger the above-defined functions. Looking at the lines of code above, you can see the “Get Conversion” and “Swap Tokens” buttons. Moreover, also use the “ getNativeBalance” endpoint from the “ account” API type of the Moralis EVM API: await Moralis.start(>Sign out Then, use the “ getServerSideProps” async function to initialize Moralis. So, go to the top of the file and import Moralis: import Moralis from "moralis" Thus, you can use that as a foundation upon which you’ll add the token swap functionality. Looking at the initial lines of code, it already contains some details about the connected wallets. Then, use VSC’s terminal to install all the required dependencies. To avoid any confusion, we recommend you follow our lead and use Visual Studio Code (VSC). Getting StartedĪfter cloning the starter code, it’s time to open the project. However, keep in mind that we presume you started with the starter code moving forward. On the other hand, you can also clone our finished code. Thus, go to GitHub and clone the “ MultipleWalletAuthentication” code (starter code). We will build today’s project upon one of our past example projects, which already includes Web3 authentication. Offer Users to Token Swap ERC-20 Tokens – Building with NextJS, Moralis, 1inch, and Wagmi If so, we invite you to follow our lead and create your own instance of our token swap dapp. If you enjoyed the above demonstration, you are probably eager to start building. Last but not least, our example dapp also offers users to disconnect their wallets by clicking on the “Sign out” button. So, if that sounds interesting, create your free Moralis account and follow our lead! After all, you’ll be able to token swap ERC-20 tokens using your own dapp in less than 20 minutes. Hence, the combination of these tools will make today’s challenge rather straightforward. In addition, with the Moralis SDK, you will learn how to use the 1inch aggregator and “ wagmi” hooks. Furthermore, that is all possible thanks to Moralis. If so, you’ll learn how to dive into Web3 development using Web2 tools such as NextJS. Also, it will help you decide whether or not you want to roll up your sleeves and build your own instance of our token swap dapp for ERC-20 tokens. Doing so will give you a transparent picture of what to expect from today’s tutorial. However, with the help of enterprise-grade Web3 APIs and SDKs, you can effortlessly implement such features, including building a token swap ERC-20 tokens component! If you see the power in this, follow along in this article as we explore the very process of how to token swap ERC-20 tokens!Īs we move forward, we will first show you a quick demo of our example ERC-20 token swap dapp. But, implementing such a token swap feature for ERC-20 tokens might seem quite challenging. ![]() As a result, user engagement on your platform will increase substantially. For example, enabling this feature will reduce the rate of users bouncing to other platforms to swap tokens. For blockchain developers, allowing users to swap ERC-20 tokens on their dapp ( decentralized application ) is highly beneficial.
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