smartcontractkit/Web3_tutorial_Chinese
smartcontractkit/Web3_tutorial_Chinese — dự án mã nguồn mở — đang có 1.4k sao GitHub. This repo is the sample code that goes with the video tutorials. It’s no longer maintained. 这个仓库（repo）是视频教程的配套代码，目前已经停止维护了。 视频地址是：https://www.bilibili.com/video/BV1RFsfe5Ek5
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Web3 教程 - Solidity，Hardhat，Token standard，Interoperability
This tutorial represents an educational example to use a Chainlink system, product, or service and is provided to demonstrate how to interact with Chainlink's systems, products, and services to integrate them into your own. This template is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, it has not been audited, and it may be missing key checks or error handling to make the usage of the system, product or service more clear. Do not use the code in this example in a production environment without completing your own audits and application of best practices. Neither Chainlink Labs, the Chainlink Foundation, nor Chainlink node operators are responsible for unintended outputs that are generated due to errors in code.
中文 | English for review
这个 repository 是初学者课程《Web3 和区块链技术》的代码部分，并且包括课程中提到过的资料。
测试网水龙头(Testnet Faucets)
Chainlink 测试网水龙头：https://faucets.chain.link
Alchemy 测试网水龙头：https://sepoliafaucet.com/
Infura 测试网水龙头：https://www.infura.io/faucet/sepolia
在哪里讨论，问题？
- GitHub Discussion 页面
提课程相关的问题 - 登链社区
提任何区块链相关的技术问题 - StackOverflow Ethereum
提出任何以太坊相关的技术问题（需要英文） - StackOverflow
提出任何技术问题（需要英文） - 其他可能会用到的技术文档
- Solidity技术手册
- 以太坊官方文档
- Solidity官方文档
- Chainlink官方文档
- Hardhat官方文档
- ether.js官方文档
- openzeppelin官方文档
目录
第一课：区块链基础知识 & 操作
- 区块链简史
- 区块链的设计哲学：去中心化和共识
- Web3：面向资产的互联网
- 智能合约简介
- 自托管钱包Metamask
- 密码学基础 & Metamask配置
- 领取测试币
- 签名&发送交易
- 燃料费（gas费）介绍
第二课：Solidity基础：Hello World
- Remix，Solidity编译器和开源协议
- Solidity基础数据类型
- Solidity函数
- Solidity存储模式：memory, storage, calldata
- Solidity数据结构：结构体，数组和映射
- 合约间交互：工厂模式
- 总结
第三课：Solidity进阶：FundMe
- 通过函数发送ETH
- 通过预言机设定最小额度
- 通过函数提取合约中的ETH
- 修改器和时间锁
- Token和Coin的区别
- 创建一个Token合约
- 继承ERC-20合约
- 部署和验证合约
第四课：Hardhat基础：部署交互FundMe
- 环境搭建：Hardhat介绍
- 环境搭建：安装node.js
- 环境搭建：安装VS Code和git
- 创建Hardhat项目
- 通过Hardhat编译和部署合约
- Hardhat网络&其他配置
- 与FundMe合约交互
- 创建Hardhat自定义任务
第五课：Hardhat进阶：测试FundMe
- Hardhat测试介绍
- Hardhat deploy任务
- 使用mock合约
- 给FundMe写单元测试
- gas reporter和coverage
第六课：跨链应用
- NFT介绍
- NFT的metadata
- NFT基础合约
- Chainlink ccip
- 资产跨链池
- chainlink-local & 单元测试
- 跨链NFT的Hardhat的自定义任务
教程中用到的代码
- 第一课：无
- 第二课：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-2
- 第三课：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-3
- 第四课：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-4
- 第五课：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-5
- 第六课：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-6
第一课：区块链基础知识 & 操作
第一课视频教程：WIP
第一课代码：本章没有代码
区块链简史
- 《比特币白皮书，一种点对点的电子现金系统》
- 比特币发明人 - 中本聪(Nakamoto Satoshi)
- 图灵完备是什么意思？
- 《以太坊白皮书》
- 以太坊发明人 - 维塔利克·布特林(Vitalik Buterin)
- 智能合约概念提出人 - 尼克·萨博（Nick Szabo）
- Nick Szabo 对于智能合约定义
区块链设计哲学：去中心化和共识
- 什么是区块链中的去中心化？
- 共识机制
- PoW工作量证明
- PoS权益证明
- 女巫攻击
Web3：面向资产的互联网
- Web3介绍(详细)
- Web3介绍(简略)
- 什么是数据所有权
- 什么是dApp？
智能合约简介
- 什么是Defi
- 什么是NFT
- 智能合约介绍
自托管钱包Metamask
- Metamask钱包简介
- 什么是加密钱包
- 什么是自主托管
密码学基础 & Metamask配置
- BIP-32密钥生成算法
- BIP-39助记词列表
- 如何将助记词转换为私钥
- 分层确定性钱包(HD钱包)介绍
- Metamask 安装
- Chainlist 查看测试网配置
- SepoliaScan 区块链浏览器
领取测试币
- Chainlink水龙头
- Infura水龙头
- Alchemy水龙头
签名&发送交易
- 椭圆曲线签名算法
- 签名模拟
燃料费（gas费）介绍
- gas费介绍
- EIP-1559
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
恭喜完成第一课的学习！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
第二课：Solidity基础：Hello World
第二课视频教程：WIP
第二课代码：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-2
Remix，Solidity编译器和开源协议
- 开源软件许可协议简介
- EVM（以太坊虚拟机） 介绍
- EVM 版本
- Solidity 编译器介绍
- Solidity 官方文档
Solidity 基础数据类型
- Solidity 类型官方文档
- Bytes vs bytes32
Solidity 函数
- 智能合约结构
- 如何拼接两个string变量（英文）
Solidity 存储模式：memory, storage, calldata
这一节知识是底层原理，不需要完全理解也可以继续学习，这部分英文文档会更加清晰。
- EVM底层数据存储原理（英文）
- storage存储方式
- memory存储方式
- calldata存储方式
Solidity 基础数据结构：结构体，数组，和映射
Solidity 官方文档中，关于数据和结构体，英文文档比中文文档在定义上表述更清晰。
- 数据结构 - 数组（英文）
- 数据结构 - 数组（中文对照）
- 数据结构 - 结构体（英文）
- 数据结构 - 结构体（中文对照）
合约间交互：工厂模式
- Solidity 工厂模式介绍
- 如何使用工厂模式（英文）
- Solidity中的工厂模式（英文）
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
恭喜完成第二课的学习！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
第三课：Solidity进阶：FundMe
第三课视频教程：WIP
第三课代码：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-3
通过函数发送ETH
- payable关键字
- 以太坊账户：EOA和合约账户
- Wei，GWei，Finney和ether
通过预言机设定最小额度
- 预言机(oracle)定义
- Chainlink技术文档
- Chainlink喂价文档
- Chainlink喂价合约地址列表
-Solidity的数据类型没有double或者floating（小数），如果想要表示带有小数的以太币，把wei当成最小单位，它是ether的10e-18，也就是0.000000000000000001。
- 以太币面额转换器
- 以太币面额
- Solidity 中如何使用浮点数
通过函数提取合约中的ETH
- 如何发送和接受ETH
- 三种转账方式: transfer, send, call
函数修饰符和时间锁
- 函数修饰符是什么
- 怎样开发智能合约中的时间锁
- Uinx时间戳
Token和Coin的区别
- Token和Coin的区别
创建一个Token合约
- Token介绍
- Solidity中的继承
继承ERC-20合约
- ERC-20标准合约
- ERC-20标准合约代码
- virtual和override
部署和验证合约
- 注册从区块链浏览器（Etherscan）账户，并且获取API key
- 怎样通过 Etherscan 验证智能合约
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
恭喜完成第三课的学习！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
第四课：Hardhat基础：部署交互FundMe
第四课视频教程：WIP
第四课代码：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-4
环境搭建：Hardhat介绍
- Hardhat官网（英文）
- Hardhat，Truffle和Foundry对比（英文）
- Hardhat和Foundry在测试方面的对比（英文）
环境搭建：安装node.js
- 如何在Windows上安装Linux
- 在MacOS安装node的5种方式
- MacOS Homebrew安装
- 面向初学者的 Linux Shell——解释 Bash、Zsh 和 Fish
- zsh的配置文件（英文）
- 如何在MacOS上卸载node
环境搭建：安装VS Code和git
- brew cask和formulae的区别（英文）
- git官网
- 使用git和github的常见命令
创建Hardhat项目
- Hardhat官网：创建Hardhat项目
- 怎样开发智能合约中的时间锁
- Uinx时间戳
通过Hardhat编译和部署合约
- 通过Hardhat编译合约
- 通过Hardhat部署合约
- Hardhat 所使用的 ethers
- ethersjs v6官方文档
- ethersjs v5到v6
Hardhat网络&其他配置
- Hardhat官网：暂时网络和独立网络（英文）
- dotenv介绍
- NPM：Chainlink/env-enc介绍（英文）
- Alchemy注册
与FundMe合约交互
- Hardhat官网：provider（英文）
创建Hardhat自定义任务
- module.exports 介绍
- Hardhat官网：创建任务（英文）
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
恭喜完成第四课的学习！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
第五课：Hardhat进阶：测试FundMe
第五课视频教程：WIP
第五课代码：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-5
Hardhat 测试介绍
- 智能合约测试
- Hardhat test官方文档
- mocha官网
- chai官网
Hardhat deploy
- Hardhat Deploy官方文档
- Hadhat Deploy插件
使用mock合约
- 什么是mock合约
- Chainlink喂价Mock合约
给FundMe写单元&集成测试
- 什么是单元测试
- javascript测试框架Mocha
- javascript测试框架Chai
gas reporter和coverage
- Hardhat gas reporter
- Solidity coverage
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
恭喜完成第五课的学习！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
第六课：跨链应用
第六课视频教程：WIP
第六课代码：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-6
NFT介绍
- NFT非同质代币是什么
- NFT有哪些用户案例
- 动态NFT是什么
NFT的metadata
- NFT metadata(Opensea标准)
ERC721基础合约
- Openzeppelin合约 wizard
- ERC721(OpenZeppelin)
- ERC1155(OpenZeppelin)
- ERC721 vs ERC1155
Chainlink CCIP (跨链互操作协议)
- 什么是链间互操作性
- Chainlink CCIP官方文档
- 跨链桥的7个风险
- 使用CCIP的5个例子
- 区块状态
- 跨链桥的5种安全等级
跨链资产池
- NFT池子样例合约
- 什么是封装加密资产
Chainlink-local 和单元测试
- chainlink local
跨链NFT的hardhat自定义任务
- hardhat-deploy companion网络
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
恭喜完成第六课的学习！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
这个 repository 是初学者课程《Web3 和区块链技术》的代码部分，并且包括课程中提到过的资料。
English for review
Testnet Faucets
Chainlink testnet faucets：https://faucets.chain.link
Alchemy testnet faucets：https://sepoliafaucet.com/
Infura testnet faucets：https://www.infura.io/faucet/sepolia
Where to discuss？
- GitHub Discussion page
Ask questions related to the course - Learnblockchain.cn
Ask any question related to Web3 and blockchain - StackOverflow Ethereum
Ask any question about Ethereum - StackOverflow
Ask any question about programming - Other technical documents that might be used
- Solidity Handbook
- Ethereum Official Documentation
- Solidity Official Documentation
- Chainlink Official Documentation
- Hardhat Official Documentation
- ether.js Official Documentation
- openzeppelin Official Documentation
目录
Lesson 1: blockchain basics
- What is blockchain?
- Philosophy of blockchain: Trust-minimization
- Web3: decentralized internet for asset
- Introduction for smart contracts
- Self Custody wallet & metamask
- Crypto basics & metamask setup
- Claim test tokens on Sepolia testnet
- Sign a transaction
- Intro to gas
Solidity Basics: Hello World
- Remix & compiler version & license
- Solidity: basic data types
- Solidity: function
- Storage & memory & calldata
- Solidity: basic data structure
- HelloWorld factory: interact with other contracts
Lesson 3: Solidity Advanced: FundMe & ERC20
- Payable function: send ETH to a contract
- Set the minimum for USD with Chainlink Data feed
- Transfer token using function
- Modifer and timelock
- Coin vs token
- Create a token contract
- ERC-20 token standard
- Deployment & verification
Lesson 4: hardhat FundMe
- env setup: Introduction to Hardhat
- env setup: Install nodejs
- env setup: Install vscode & git
- Create hardhat project
- Compile and deploy the contract through Hardhat
- Hardhat network & other configurations
- Interact with FundMe
- create custom hardhat task
Lesson 5: Test FundMe
- Introduction to the unit tests in Hardhat
- Hardhat deploy task
- mock contract
- write unit test for FundMe
- gas Reporter & coverage
Lesson 6: cross-chain application
- Introduction for NFT
- NFT metadata
- ERC-721 token standard
- Chainlink ccip
- Token pool for ccip
- chainlink-local & unit test
- Hardhat custom task cross-chain nft
Codes used in the course
- Lesson 1: NA
- Lesson 2: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-2
- Lesson 3: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-3
- Lesson 4: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-4
- Lesson 5: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-5
- Lesson 6: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-6
Lesson1: blockchain basics
Video of lesson 1：WIP
Codes of lesseon 1：NA
What is blockchain
- Bitcoin whitepaper, A Peer-to-Peer Electronic Cash System
- Nakamoto Satoshi
- What is Turing completeness?
- Ethereum Whitepaper
- Vitalik Buterin
- Inventor of smart contract - Nick Szabo
- How Nick Szabo describes smart contract
Philosophy of blockchain: Trust-minimization
- What is decentralization in blockchain?
- Consensus
- Proof of work
- Proof of stake
- Sybil attack
Web3: decentralized internet for asset
- Web3 introduction
- Web3 introduction(Brief)
- What is digital ownership?
- What is dApp?
Introduction for smart contracts
- What is Defi
- What is NFT
- Introduction to smart contract
Self Custody wallet & metamask
- Metamask wallet introduction
- What is a crypto wallet?
- What is a self custody wallet?
Crypto basics & metamask setup
- BIP-32 key generation algorithm
- BIP-39 wordlist
- How to convert mnemonics to private key
- Introduction to hierachical deterministic(HD) wallet
- Metamask installation
- Chainlist
- SepoliaScan blockchain explorer
Claim test tokens on Sepolia testnet
- Chainlink faucets
- Infura faucets
- Alchemy facuvets
Sign a transaction
- elliptic curve cryptography
- Signature Demo
Intro to gas fee
- Introduction to gas fee
- EIP-1559
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
Congratulations! You complete the lesson 1！
:tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada::tada:
Lesson 2: Solidity Basics: Hello World
Video of lesson 2: WIP
Codes of lesson 2: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-2
Remix & compiler version & license
- Introduction to Open Source Software Licenses
- Introduction to EVM(Ethereum Virtual Machine)
- EVM versions
- Introduction to Solidity compilers
- Solidity official documentation
Solidity: basic data types
- Solidity types
- Bytes vs bytes32
Solidity: function
- Smart contract layout
- How to concatenate 2 strings in solidity
Storage & memory & calldata
- EVM internals
- layout in storage
- layout in memory
- layout in calldata
Solidity: basic data structure
- Data structure - Array
- Data structure - Array(Chinese)
- Data structure - Struct
- Data structure - Struct(Chinese)
HelloWorld factory: interact with other contracts
- Learn factory pattern
- Factory pattern in solidity
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Congratulations! You complete the lesson 2！
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Lesson 3: Solidity Advanced: FundMe & ERC20
Video of lesson 3: WIP
Codes of lesson 3：https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-3
Payable function: send ETH to a contract
- Ethereum account: EOA and smart contract
Set the minimum for USD with Chainlink Data feed
-
Oracle Definition
-
Chainlink documentation
- Chainlink data feed doc
- Chainlink data feed addresses
-
ETH unit converter
-
ETH denominations
-
How to work with floating point numbers in solidity
Transfer token using function
- How to send and receive ETH
- 2 ways to transer ETH: transfer, send, call
Modifier and timelock
- What is function modifier?
- How to develop timelock in smart contract
- Uinx timestamp
Token vs Coin
- Difference between Token and Coin
Create a token contract
- Token introduction
- Inheritance in solidity
ERC-20 token standard
- ERC-20 token stadard
Deployment & verification
- Register Etherscan and get a API key
- How to verify a smart contract on Etherscan
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Congratulations! You complete the lesson 3！
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Lesson 4: hardhat FundMe
Video of lesson 4: WIP
Codes of lesson 4: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-4
env setup: Introduction to Hardhat
- Hardhat official
- Hardhat, Truffle and Foundry
- Hardhat vs Foundry, which to use for testing
env setup: Install nodejs
- How to install Linux on Windows
- 5 ways to install node on MacOS
- MacOS Homebrew
- Linux Shell for beginners- Bash, Zsh and Fish
- zsh configuration
- uninstall node on MacOS
env setup: Install vscode & git
- brew cask vs formulae
- git official
- basic git and github commands
Create hardhat project
- Create a new Hardhat project
- timelock smart contract
- Uinx timestamp
Compile and deploy the contract through Hardhat
- Compile contract in Hardhat
- Deploy contract in Hardhat
- Hardhat ethers
- ethersjs v6 official documentation
- ethersjs migrate v5 to v6
Hardhat network & other configurations
- transient and standalone network
- dotenv intro
- NPM: Chainlink/env-enc
- Alchemy
Interact with FundMe
- provider
create custom hardhat task
- intro to module.exports
- Create a task in Hardhat
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Congratulations! You complete the lesson 4！
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Lesson 5: Test FundMe
Video of lesson 5：WIP
Codes of lesson 5: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-5
Introduction to the unit tests in Hardhat
- testing for smart contract
- Hardhat test
Hardhat deploy task
- Hardhat Deploy
- Hadhat Deploy plugin
mock contract
- What is mock contract
- Chainlink data feed mock contract
write unit test for FundMe
- What is unit test
- javascript Mocha
- javascript Chai
gas Reporter & coverage
- Hardhat gas reporter
- Solidity coverage
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Congratulations! You complete the lesson 5！
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Lesson 6: cross-chain application
Video of lesson 6: WIP
Codes of lesson 6: https://github.com/smartcontractkit/Web3_tutorial_Chinese/tree/main/lesson-6
Introduction for NFT
- What are NFTs
- NFT use cases
- What is dynamic NFT
NFT metadata
- NFT metadata(Opensea)
ERC-721 token standard
- Openzeppelin wizard
- ERC721(OpenZeppelin)
- ERC1155(OpenZeppelin)
- ERC721 vs ERC1155
Chainlink CCIP (Cross-chain Interoperability Protocol)
- What is blockchain interoperability
- Chainlink CCIP official document
- Cross chain bridge vilnerabilities
- CCIP use cases
- ethereum commitment levels
- The Five Levels of Cross-Chain Security
Token pool in CCIP
- NFT pool smart conrtact
- What is wrapped asset
Chainlink-local & unit test
- chainlink local
hardhat custom task for cross-chain NFT
- hardhat-deploy companion网络
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Congratulations! You complete the lesson 6！
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Trả lời nhanh
Đọc thêm về smartcontractkit/Web3_tutorial_Chinese ở đâu?
Trang TopGit này là một snapshot — tab "Readme" hiển thị nguyên văn README của repo (đã bỏ link, giữ ảnh). Repo GitHub ở github.com/smartcontractkit/Web3_tutorial_Chinese là nguồn chính thức.
smartcontractkit/Web3_tutorial_Chinese có phải mã nguồn mở không?
Có — smartcontractkit/Web3_tutorial_Chinese phát hành theo license MIT, nghĩa là mã nguồn mở để đọc, fork và (tùy license) tái sử dụng. Mã: github.com/smartcontractkit/Web3_tutorial_Chinese.
smartcontractkit/Web3_tutorial_Chinese là gì?
smartcontractkit/Web3_tutorial_Chinese (smartcontractkit/Web3_tutorial_Chinese) là dự án Solidity trên GitHub. Theo mô tả gốc: This repo is the sample code that goes with the video tutorials. It’s no longer maintained. 这个仓库（repo）是视频教程的配套代码，目前已经停止维护了。 视频地址是：https://www.bilibili.com/video/BV1RFsfe5Ek5
Đọc đầy đủ README ở tab phía trên.