Smart
Contract Development and Web3 Fundamentals
Introduction to Blockchain and Ethereum
Concepts of
decentralization and smart contracts
Overview of
Ethereum virtual machine (EVM)
Transactions,
gas, and the role of miners/validators
Solidity Smart Contract Development
Solidity
basics: data types, functions, modifiers, and events
Writing
contracts for tokens, voting, or to-do apps
Visibility,
state variables, and contract structure
Using Remix IDE
for contract development and testing
Local Development Environment with Hardhat or Truffle
Installing and
configuring Hardhat or Truffle
Compiling and
deploying contracts locally
Writing unit
tests for smart contracts using Mocha and Chai
Using local
Ethereum networks
Interacting with Contracts Using Web3.js or Ethers.js
Connecting to
contracts from JavaScript
Reading and
writing data via transactions
Listening for
smart contract events
Handling
transaction confirmations and errors
Building the Frontend and Integrating the dApp
React Setup for dApp Development
Bootstrapping a
React project with Vite or Create React App
Folder
structure and component planning
Connecting
React with MetaMask via Web3.js or Ethers.js
Wallet Integration and User Onboarding
Detecting and
connecting to MetaMask
Handling
network switching and account changes
Managing user
authentication and session state
Integrating React with Smart Contracts
Calling
contract functions from React components
Displaying
blockchain data in the UI
Submitting
transactions and handling loading states
Listening for Blockchain Events in the
UI
Subscribing to
contract events
Updating UI
reactively based on on-chain changes
Handling
pending, success, and failed transactions
Hands-on Exercises
Summary and Conclusion
