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Manny
Manny

937 Followers

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Jan 9

How To Create MetaMask Wallet Signatures With Pure VanillaJS

Learn How To Create Signature Hashes With Crypto Wallets & Verify Those Signatures — What Are Digital Signatures? Digital signatures are a base functionality that allows for verification with crypto wallets. This functionality to sign a message and create a signature is something that is built-in into every EVM-based wallet. A short string of data a user produces for a document using a private key such that anyone…

Metamask

12 min read

How To Create MetaMask Wallet Signatures With Pure VanillaJS
How To Create MetaMask Wallet Signatures With Pure VanillaJS
Metamask

12 min read


Dec 27, 2022

Quick Vitest Setup With ViteJS, React, & TypeScript

Avoid Spending Time Setting Up Vitest For Your Projects & Follow This Quick Setup — What Is Vitest? “a simple runner that doesn’t need to deal with the complexity of transforming source files and can solely focus on providing the best DX during testing” - https://vitest.dev/guide/why.html

Vitest

12 min read

Quick Vitest Setup With ViteJS, React, & TypeScript
Quick Vitest Setup With ViteJS, React, & TypeScript
Vitest

12 min read


Dec 25, 2022

Comparing Phantom Beta Polygon & Ethereum Wallet To MetaMask

What Phantom Beta Wallet For Ethereum & Polygon Can & Can’t Do — Full disclosure: I have been given access to the beta and have made a request to join a private discussion group to offer feedback. I wasn’t offered anything from Phantom nor from my employment at Polygon, so this article is just a collection of my thoughts and opinions. Phantom Wallet Is Supporting Polygon & Ethereum A new…

Phantom Wallet

9 min read

Comparing Phantom Beta Polygon & Ethereum Wallet To MetaMask
Comparing Phantom Beta Polygon & Ethereum Wallet To MetaMask
Phantom Wallet

9 min read


Dec 8, 2022

Use EthersJS To Connect To MetaMask & Read From + Write To A Contract

Learn The Equivalent Window.Ethereum RPC Requests In Ethers.JS — Why EthersJS? One of the main reasons why to use Ethers.JS is because it aims to be the complete library that handles and interacts with the blockchain. It creates an abstraction and gives a bunch of other tools to make interacting with EVM-compatible chains easier. Ethers.JS is still also a major library…

Ethersjs

6 min read

Use EthersJS To Connect To MetaMask & Read From + Write To A Contract
Use EthersJS To Connect To MetaMask & Read From + Write To A Contract
Ethersjs

6 min read


Dec 6, 2022

How To Hash Your Solidity Function Names In EthersJS

How To Hash A Solidity Function Name To Use With A Native RPC Request Hashing Function Names If you have ever needed to send an original RPC request to a function or you need to specific for a solidity app that requires the hashed function name, this article is for you. TL;DR Getting to…

Ethereum

3 min read

How To Hash Your Solidity Function Names In EthersJS
How To Hash Your Solidity Function Names In EthersJS
Ethereum

3 min read


Dec 5, 2022

Use VanillaJS To Connect To MetaMask, Read From A Contract, & Write To A Contract

Build A Frontend With No Libraries & Use Raw RPC Requests To Manage Wallet Connections & Contract Interactions — Why VanillaJS? While there are libraries that are out there like like web3.js, ethers.js, wagmi, web3-react, useDApp, and a bunch more, I made this project to show that you can perform wallet interactions with just the injected provider by MetaMask and soon Phantom wallet. It should be noted that all the contract…

Web 3

43 min read

Use VanillaJS To Connect To MetaMask, Read From A Contract, & Write To A Contract
Use VanillaJS To Connect To MetaMask, Read From A Contract, & Write To A Contract
Web 3

43 min read


Dec 3, 2022

How To Deploy A Contract To Polygon zkEVM Testnet

How To Deploy An ERC20 To Polygon Hermes zkEVM Testnest — What Is zkEVM? You might be asking “What is zkEVM?” Polygon zkEVM is the first zk-Rollup with source code available, providing complete EVM opcode equivalence for a frictionless user experience and the security of Ethereum. - https://polygon.technology/solutions/polygon-zkevm Is it a different network than Polygon Matic POS? Yes it is a completely different network with its own token and wallet configurations.

Zkevm

10 min read

How To Deploy A Contract To Polygon zkEVM Testnet
How To Deploy A Contract To Polygon zkEVM Testnet
Zkevm

10 min read


Nov 25, 2022

Understanding Hydration Errors In NextJS 13 With A Web3 Wallet Connection

How To Fix Hydration Errors In NextJS 13 With A Frontend WAGMI Wallet Connection — The Problem If you have recently installed WAGMI with your newly beta NextJS application and tried to do some basic wallet connection, you might have come across an error that show Hydration errors. …

Nextjs

12 min read

Understanding Hydration Errors In NextJS 13 With A Web3 Wallet Connection
Understanding Hydration Errors In NextJS 13 With A Web3 Wallet Connection
Nextjs

12 min read


Nov 1, 2021

Quick Jest Setup With ViteJS, React, & TypeScript

Avoid Spending Time Setting Up Jest For Your Projects & Follow This Quick Setup — UPDATE 2022–12–27: Also take a look at my other article on settings up Vitest with ViteJS, React, & TypeScript. Reasons To Not Waste Time With Setup This came when I was trying to setup a new project while doing some pair programming with some developers on Developer DAO. We wanted to test some Jest unit tests with…

Jest

8 min read

Quick Jest Setup With ViteJS, React, & TypeScript
Quick Jest Setup With ViteJS, React, & TypeScript
Jest

8 min read


Sep 25, 2021

How To Dockerize Your Hardhat Solidity Contract On Localhost

How To Take Your Web3 Solidity Contract With Hardhat & Create A Docker Image With The Local Deployment — Full Walkthrough — What We’re Building This is a full walkthrough, understanding errors, explaining different steps and strategies, on how we’re going to build a Docker image that holds and runs a Hardhat Solidity contract on localhost. I go in depth as much possible on this article, so that you fully understand the different steps, but…

Docker

15 min read

How To Dockerize Your Hardhat Solidity Contract On Localhost
How To Dockerize Your Hardhat Solidity Contract On Localhost
Docker

15 min read

Manny

Manny

937 Followers

DevRel Engineer @ Polygon & Web Application / Full Stack Developer

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