Index
CryptoZombies
Lesson 1: CryptoZombies
Chapter 2 Contracts
Chapter 3: State Variables & Integers
Chapter 4: Math Operations
Chapter 5: Structs
Chapter 6: Arrays
Chapter 7: Function Declarations
Chapter 8: Working With Structs and Arrays
Chapter 9: Private / Public Functions
Chapter 10: More on Functions
Chapter 11: Keccak256 and Typecasting
Chapter 12: Putting It Together
Chapter 13: Events
Chapter 14: Web3.js
Lesson 2: Zombies Attack Their Victims
Chapter 2: Mappings and Addresses
Chapter 3: Msg.sender
Chapter 4: Require
Chapter 5: Inheritance
Chapter 6: Import
Chapter 7: Storage vs Memory
Chapter 8: Zombie DNA
Chapter 9: More on Function Visibility
Chapter 10: What Do Zombies Eat?
Chapter 11: Using an Interface
Chapter 12: Handling Multiple Return Values
Chapter 13: Bonus: Kitty Genes
Chapter 14: Wrapping It Up
Lesson 3: Advanced Solidity Concepts
Chapter 2: Ownable Contracts
Chapter 3: onlyOwner Function Modifier
Chapter 4: Gas
Chapter 5: Time Units
Chapter 6: Zombie Cooldowns
Chapter 7: Public Functions & Security
Chapter 8: More on Function Modifiers
Chapter 9: Zombie Modifiers
Chapter 10: Saving Gas With 'View' Functions
Chapter 11: Storage is Expensive
Chapter 12: For Loops
Chapter 13: Wrapping It Up
Lesson 4: Zombie Battle System
Chapter 1: Payable
Chapter 2: Withdraws
Chapter 3: Zombie Battles
Chapter 4: Random Numbers
Chapter 5: Zombie Fightin'
Chapter 6: Refactoring Common Logic
Chapter 7: More Refactoring
Chapter 8: Back to Attack!
Chapter 9: Zombie Wins and Losses
Chapter 10: Zombie Victory 😄
Chapter 11: Zombie Loss 😞
Lesson 5: ERC721 & Crypto-Collectibles
Chapter 1: Tokens on Ethereum
Chapter 2: ERC721 Standard, Multiple Inheritance
Chapter 3: balanceOf & ownerOf
Chapter 4: Refactoring
Chapter 5: ERC721: Transfer Logic
Chapter 6: ERC721: Transfer Cont'd
Chapter 7: ERC721: Approve
Chapter 8: ERC721: Approve
Chapter 9: Preventing Overflows
Chapter 10: SafeMath Part 2
Chapter 11: SafeMath Part 3
Chapter 12: SafeMath Part 4
Chapter 13: Comments
Chapter 14: Wrapping It Up
App Front-ends & Web3.js
Chapter 1: Intro to Web3.js
Chapter 2: Web3 Providers
Chapter 3: Talking to Contracts
Chapter 4: Calling Contract Functions
Chapter 5: Metamask & Accounts
Chapter 6: Displaying our Zombie Army
Chapter 7: Sending Transactions
Chapter 8: Calling Payable Functions
Chapter 9: Subscribing to Events
Chapter 10: Wrapping It Up