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# Solidity workshops
Lesson 0. Introduction to blockchain concepts (what is what, consensus, transactions, wallets, nodes, web3)
Lesson 1. First chapter of CryptoZombies (math, structs, functions, visibility, msg.sender, SafuDot)
Lesson 2. Using git (, git command, init, add, commit, pull, push, using git issues)
Lesson 3. Second chapter of CryptoZombies (return, mappings, require, inheritance, import, interfaces, multi return, keccak if str
Lesson 4. Voting in solidity
Lesson 5. Code review and due diligence
Lesson 6. Summary of previous lessons and security review
Smart contract to decide what project to create (NFT/DAO/Token): [here](
## Notes
Return-ok if utan, megbeszelni: if utani return es revert.
mapping(_KeyType => _ValueType) public mappingName
mapping(address => uint) public playerLevel;
! mapping can be inside struct
! nested mappings
mapping(uint => mapping(uint => uint)) mymap;
mymap [1][1] = 42;
## Homework 1
- Create multiple an external function that returns two uint256s based on user input (true or fale).
- Call function of adminChange() of SafuDot from a smart contract
- Create a new repository on with the name "Homework 2 - <your_name>" and add your homework to it.
- Remember to create a and LICENSE to your git repository!
## Homework 2
- Deploy your own voting contract
- Vote on the already deployed contract
- Plus: consider privacy