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Build Professional Ethereum Blockchain Apps With Solidity, Ethers.js, Hardhat, OpenZeppelin… + 85 Page Course Manual

What you will learn

Building a complete Web3 application using the most popular and most in-demand tools and technologies

Successfully using all major Blockchain tools & technologies: Solidity, Hardhat, EthersJS, OpenZeppelin, React, IPFS & Pinata…

Writing secure smart contracts using the proven and battle-tested OpenZeppelin smart contracts

Using Hardhat to compile, test and deploy your smart contracts

Deploying your contracts to a local Hardhat node, to Ganache and to the Sepolia test network

Advanced testing techniques using the Hardhat-Chai matchers and the Hardhat Network Helpers

Uploading your images and NFT metadata to IPFS using the Pinata API

Creating an NFT using the ERC721URIStorage contract

Communicating with a Blockchain and calling smart contract functions using the Ethers library

Using React and Vite to create the frontend of your Web3 application

Using the MetaMask RPC API to fully integrate your Dapp with MetaMask

Description

This course is ideal for you, if you are looking for a quickstart into the fascinating world of blockchain and Web3 development.

Build a complete Web3 app that uses the most in-demant tools and technologies…

You will be building a complete Web3 application that is relatively simple, but integrates all tools, technologies and methodologies that are currently used by the biggest and most well-known applications in the blockchain industry.

Some of those tools and technologies are…

Solidity, Ethers.js, Hardhat, OpenZeppelin, MetaMask RPC API, IPFS, Pinata API, Etherscan, React + Vite, Remix, Sepolia…

We’ll focus  on the essentials…

The features you’ll be using on a daily basis as a professional Blockchain / Web3 developer… And, we won’t worry about all the smaller details you’ll almost never need.

Of course, every professional Web3 projects has its particularities and you sometimes you will be forced to dig really deep. No course in this world can cover the nearly infinite amount of challenges you may encounter – not even the ones that contain 100+ hours of content…

You’ll get a  rock-solid foundation as Ethereum/Web3 developer…

The goal of this course is to introduce you to all major tools and technologies and to provide you with a rock-solid foundation. From there, you will easily be able to go further, to dig deeper and to find the solutions to your programming challenges.

I’m not a big fan of spending weeks and even months going through lengthy training courses and that’s why I tried my best to keep this course as short and concise as possible without neglecting any of the really important stuff.

I recommend, you acquire the basics and fundamentals as quickly as possible… and then you actually start building stuff and have fun solving those challenges you will encounter in real-world projects…


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And, that’s exactly what this course has been designed for!

A a step-by-step blueprint to build real-world Blockchain apps…

In short, you get a step-by-step blueprint that provides you with all the knowledge you need in order to successfully build complex, real-world, decentralized applications (Dapps) for the Ethereum blockchain.

The tools and technologies you’ll be using

  • Solidity – Smart Contract Programming Language
  • Hardhat – Smart Contract Development Environment & Local Developer Blockchain
  • Ethers.js – JavaScript Library for Interacting with the Ethereum Blockchain
  • OpenZeppelin – Open-Source Framework for Building Secure Smart Contracts
  • Sepolia – Ethereum Test Network (Running PoS)
  • React & Vite – JavaScript Frontend Library & Build Tool
  • IPFS & Pinata API – Decentralized File Storage & Media Pinning Service
  • MetaMask RPC API – Protocol that allows MetaMask to Communicate with Ethereum and EVM Compatible Blockchains
  • Remix – Browser-based Solidity Compiler & IDE
  • Etherscan – Block Explorer and Analytics Platform
  • Git & Github – Source Code Version Control System

This is much more than just a regular video course…

Of course, you get the complete source code of the finished project (smart contracts, Hardhat scripts and React frontend).

You also get an unfinished “Practice-Project”. This project already contains all non-blockchain relevant code (like HTML, CSS…) and you have to provide all blockchain related features you’ll learn throughout the course. I provide you with detailed comments (//TODO blocks in code) so, you know exactly, what kind of feature needs to be provided and where it needs to be provided.

In the Solidity section of the course we’ll be coding various simple smart contracts for all important Solidity topics and there will also be several assignments. And, yes, you also get the code for those smart contracts as well as for the solutions for the assignments.

I also understand, not everyone is a visual-only learner. Some people prefer written content and that’s why I also provide you with several written documents…

You get the entire course manual that provides you with everything you learn throughout the course in written form: discussion of the various tools and technologies we are using, code analysis, important Hardhat, Node.js, Git… commands, links to important websites, screenshots…

You also get several “Quick-Guides” for the most important technologies we are using, like Ethers.js, Hardhat MetaMask RPC API… and there are a few others. Sometimes it’s a bit complicated and tedious to find what you are looking for in the official docs of those technologies and that’s why I distilled the most important features, classes, methods and properties – the ones you need on a daily basis as a blockchain developer – for you.

English
language

Content

Course Introduction

Welcome And A Quick Overview Of The Course
Course Manual, Source Code And Other Resources
Tips To Improve Your Course Taking Experience

Setting Up Your Development Environment

Overview – Development Environment Setup
Installing Node.js, VSCode And Ganache
ASSIGNMENT: Setup Your Development Environment
Installing And Configuring MetaMask
ASSIGNMENT: Install And Configure MetaMask

Getting Started with Hardhat

Overview – Hardhat
Creating A Smart Contract Project With Hardhat
ASSIGNMENT: Create Your First Hardhat Project
The Project Code: Practice Code And Finished Project
ASSIGNMENT: Download The Project Code From Github
The Hardhat Config File
Third Party Accounts, API Keys And the .env File
ASSIGNMENT: Get Your API Keys And Update Your Environment File

The Basics of Solidity

Overview – Solidity
A Quick Overview Of Smart Contracts And Solidity
The Basic Structure Of A Solidity Smart Contract
Solidity Value Types
ASSIGNMENT: Solidity Value Types
Solidity Reference Types
ASSIGNMENT: Solidity Reference Types
Error Handling In Solidity
Functions and Modifiers
ASSIGNMENT: Functions And Modifiers
Events in Solidity
Inheritance In Solidity
ASSIGNMENT: Digging Deeper Into Solidity

Creating Your ERC721 NFT Smart Contract

Overview – ERC721 NFT Smart Contract
NFT’s And The ERC721 Standard
OpenZeppelin Contracts And Libraries
ASSIGNMENT: Study The OpenZeppelin ERC721 Contract
Creating Your NFT Smart Contract
Compiling And Deploying Your Smart Contract Locally
Deploying Your Smart Contract To The Sepolia Test Network
Verifying Your Smart Contract On Etherscan
ASSIGNMENT: Write, Deploy And Verify Your Smart Contract

Ethers.js – Interacting With The Ethereum Blockchain

Overview – Ethers.js
A Quick Overview Of Ethers.js
The Ethers.js Provider
ASSIGNMENT: Ethers.js Provider
The Ethers.js Signer
ASSIGNMENT: Ethers.js Signer
The Ethers.js Contract
ASSIGNMENT: Ethers.js Contract
Writing The NFT Minting Script
ASSIGNMENT: Write The NFT Minting Script

Testing Your Smart Contract With Hardhat

Overview – Testing Smart Contracts With Hardhat
Basic Structure Of A Test File
Hardhat Network Helpers And The LoadFixture
Writing Tests For Your Smart Contract
ASSIGNMENT: Test Your Smart Contract

Creating A React Frontend For Your DApp

Overview – React Frontend
Bootstrapping A Simple React App With Vite
The Basic Structure Of A React App
Merging The Hardhat And The React Project
The MetaMask RPC API
Integrating MetaMask Into Your Web3 Frontend
ASSIGNMENT: Integrate MetaMask Into Your Web3 Frontend
Pinning The NFT Metadata To An IPFS Node
Creating The MintNFT Transaction For MetaMask
ASSIGNMENT: Create The MintNFT Transaction For MetaMask
Creating The NFTDAPP React Component
ASSIGNMENT: Complete The NFTDAPP React Component
Testing The App On Hardhat And Sepolia
ASSIGNMENT: Test Your App On Hardhat And Sepolia

Adding Your Project To Github

Adding Your Project To A Git Repository
Adding Your Project To Github

Conclusion

Final Thoughts And Tips
Congratulations And Thank You