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Build 5 Dapps on the Ethereum Blockchain - Beginner Tutorial

freeCodeCamp.org 158,842 6 years ago
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Learn Ethereum Dapp in this full tutorial for beginners. This course teaches how to build decentralized applications on the Ethereum Blockchain. We are going to build 5 Ethereum Dapps. For each of them, we will: - Develop smart contracts - Test smart contracts - Build a web frontend to interact with the smart contract The course covers: - The architecture of Dapps - Solidity, the programming language for Ethereum smart contract - Remix, the online IDE for Solidity - Truffle, the framework for Solidity smart contracts - Ganache, the local development Blockchain - Web3, the JS library to integrate a Dapp frontend - Metamask, the Ethereum wallet used by most Dapps (browser extension) - Deployment to public testnet (Ropsten) and mainnet, using Infura API Requirements: - NodeJS v10 - Works on both Windows, Linux and Mac 💻 Code: https://github.com/jklepatch/eattheblocks/tree/master/dapp-30 Register to the FREE mini-course "become a blockchain developer" on eattheblocks.com to learn how to get a remote blockchain job making 100k. For more tutorials on Ethereum Dapps, Solidity smart contracts, check out the EatTheBlocks channel: https://www.youtube.com/c/eattheblocks While this is a stand-alone course, it is part of Dapp 30, a course where we build 30 Ethereum Dapps so that you can learn Ethereum Dapps / Solidity AND build your portfolio to get a job as Blockchain developer: https://eattheblocks-pro.teachable.com/p/dapp-30 ⭐️ Course Contents ⭐️ Dapp 1 - Simple smart contract ⌨️ 8:22: Smart contract: Intro to Solidity, Remix, Deploying contract on Remix ⌨️ 21:09: Tests - Introduction to Truffle and tests ⌨️ 32:03: Frontend - Architecture of Ethereum Dapp / integration with smart contract, ABI, intro to Web3 Dapp 2 - Helloworld ⌨️ 57:18: Smart contract - Solidity read-only functions, Interacting with functions in Remix ⌨️ 1:07:28: Tests - Testing a smart contract function with Truffle ⌨️ 1:12:33: Frontend - Interacting with a smart contract function from frontend, with Web3 Dapp 3 - Simple storage ⌨️ 1:24:00: Smart contract - Solidity functions that can modify smart contract data (in transaction) ⌨️ 1:41:53: Tests - Test (transaction) smart contract functions with Truffle ⌨️ 1:45:27: Frontend - Sending transactions from frontend, with Web3 Dapp 4 - Complex storage ⌨️ 2:04:05: Smart contract - Solidity Arrays (adding element, read single element, read all elements and get length) ⌨️ 2:14:37: Tests - Testing Solidity arrays with Truffle, introduction to the BN.js library to deal with Solidity numbers ⌨️ 2:26:54: Frontend - Using Webpack / ES6 for Dapp frontend, Intro to (new) Metamask and integration with frontend Dapp 5 - Crud ⌨️ 3:06:51: Smart contract - create, read update and delete data in Solidity ⌨️ 3:31:33: Tests - How to tests Solidity errors with Truffle (require, revert...) ⌨️ 3:47:25: Frontend - Deployment on public testnet (Ropsten) and Mainnet with Infura -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://medium.freecodecamp.org ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp

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