Benjamin Azoulay (@BenAzlay)

How to Build the Perfect Custom useEffect Hook

I'll get straight to the point of this tutorial. We want our useEffect to fetch async data and store it, with two important safety standards: If a dependency updates before the async call in useEffect is completed, a new async call will be made. If ...

Jun 27, 2024 · 3 min readblog.benjaminazoulay.com

Get Uniswap V3 position amounts & unclaimed fees from NFT ID

Hello guys! This tutorial will explain how to get a snapshot of a liquidity position (amounts and unclaimed fee) from a Uniswap V3 NFT ID. That could come in handy for an airdrop, to reward liquidity providers. Let's get started! Dependencies we'll u...

Sep 4, 2023 · 3 min readblog.benjaminazoulay.com

Web3.js Batch Requests: a complete example

Too often, examples given in documentations are very crude and minimal. Such is the case with the Web3.js documentation, which gives this example for batch requests: var contract = new web3.eth.Contract(abi, address); var batch = new web3.BatchReque...

Sep 14, 2022 · 3 min readblog.benjaminazoulay.com

How to run Truffle tests in Gitlab CI

If you are building a blockchain-based application (dApp) using continuous integration, you'll want to run tests for your smart contracts in the CI pipeline. In this tutorial, we will use the Truffle Suite for testing on the Ropsten test network (or ...

Jan 8, 2022 · 4 min readblog.benjaminazoulay.com

Get the ENS name from an Ethereum address in your web3 dApp

In my previous tutorial, I explained how you can allow users to connect to your web3 dApp with their Ethereum address using Metamask. Now, let's take a little step further! You might have heard of Ethereum Name Service (ENS). That's all the .eth doma...

Nov 15, 2021 · 3 min readblog.benjaminazoulay.com

Benjamin Azoulay

About

Available for

Benjamin Azoulay's blogs

How to Build the Perfect Custom useEffect Hook

Get Uniswap V3 position amounts & unclaimed fees from NFT ID

Web3.js Batch Requests: a complete example

How to run Truffle tests in Gitlab CI

Get the ENS name from an Ethereum address in your web3 dApp

Benjamin Azoulay

About

Available for

Benjamin Azoulay's blogs

How to Build the Perfect Custom useEffect Hook

Get Uniswap V3 position amounts & unclaimed fees from NFT ID

Web3.js Batch Requests: a complete example

How to run Truffle tests in Gitlab CI

Get the ENS name from an Ethereum address in your web3 dApp

Benjamin Azoulay

About

Available for

Benjamin Azoulay's blogs

How to Build the Perfect Custom useEffect Hook

Get Uniswap V3 position amounts & unclaimed fees from NFT ID

Web3.js Batch Requests: a complete example

How to run Truffle tests in Gitlab CI

Get the ENS name from an Ethereum address in your web3 dApp

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Benjamin Azoulay

About

Available for

Benjamin Azoulay's blogs

How to Build the Perfect Custom useEffect Hook

Get Uniswap V3 position amounts & unclaimed fees from NFT ID

Web3.js Batch Requests: a complete example

How to run Truffle tests in Gitlab CI

Get the ENS name from an Ethereum address in your web3 dApp