A common problem you may face in Ethereum programming is getting a price feed of digital currencies. Chainlink is an oracle platform that is used by many DeFi projects and incentives actors to publish on-chain several information like prices of tokens or price of Ether. in this tutorial we’ll learn how you can retrieve the […]
Flash Loans are loans that allow the borrowing of an asset, as long as the borrowed amount (and a fee) is returned before the end of the transaction. Those types of loans enable you to perform actions without using your funds for a really small percentage fee (0.09% at the time of writing on Aave […]
For this tutorial will see how to execute a trade using 1inch DEX aggregator in Javascript with the web3.js library. At the end of the tutorial, you’ll know how to exchange ERC20 tokens and Ether directly on the Ethereum blockchain. This article is part 2 (part 1 here) of tutorials we started while using the […]
In this series of tutorials, we explore how to build solutions around trading and making simple arbitrage bot using Ethereum decentralized exchanges (DEX). This series uses Javascript, Solidity, and the 1inch dex aggregator and flash loans. As the subject is wide, we have split the series into several parts below: Get the exchange rates to […]
When you’re developping Ethereum contracts that interact with other Dapps and protocols like DeFi it’s important to be able to test your smart contracts agains the blockchain as you can’t re-deploy every smart contracts that your smart contract depends on. For this we’ll use Ganache from Truffle. Ganache is a program that lets you quickly […]