Скачать или смотреть Smart Contract Programming 5: Creating a Voting (Ballot) Smart Contract w/ Brownie & Solidity

Ethereum Smart Contract Programming tutorial with Solidity, featuring Brownie (python), Ganache, and 100% test coverage! Today, we implement a smart contract that handles the main functionalities of a ballot: chairperson, voting rights, vote delegation, vote tally / counting, and finally selection of a winner proposal.

Watch Part 1 here:    • Get Started: Ethereum Smart Contract Progr...  
Watch Part 2 here:    • Ethereum Smart Contract Programming 2: Cre...  
Watch Part 3 here:    • Ethereum Smart Contract Programming 3: Bro...  
Watch Part 4 here:    • Smart Contract Programming 4: Unit Test & ...  

We want to make testing a part of our routine when it comes to programming smart contract. That's exactly what we'll do in Part 6:    • Smart Contract Programming 6: Writing unit...  

Compared to earlier videos in this series, the Ballot contract is rather more complex but it's also a good way to showcase Solidity's features. We'll re-use familiar concepts like mappings and constructor functions but also introduces new Solidity's features, such as the structs which allows users to implement a custom data type specific to their smart contract.

All the code in my GitHub repo:
https://github.com/onlyphantom/solidi...

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