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my-uniswap-v2-core's Introduction

Uniswap V2 中文注释,中文文档

合约结构

创建流动性

交易

uniswap 运行逻辑

  1. uniswap核心合约分为3个合约,工厂合约,配对合约,ERC20合约
  2. 核心合约布署时只需要布署工厂合约
  3. 工厂合约布署时构造函数只需要设定一个手续费管理员
  4. 在工厂合约布署之后,就可以进行创建配对的操作
  5. 要在交易所中进行交易,操作顺序是:创建交易对,添加流动性,交易
  6. 添加配对时需要提供两个token的地址,随后工厂合约会为这个交易对布署一个新的配对合约
  7. 配对合约的布署是通过create2的方法
  8. 两个token地址按2进制大小排序后一起进行hash,以这个hash值作为create2的salt进行布署
  9. 所以配对合约的地址是可以通过两个token地址进行create2计算的
  10. 用户可以将两个token存入到配对合约中,然后在配对合约中为用户生成一种兼容ERC20的token
  11. 配对合约中生成的erc20Token可以成为流动性
  12. 流动性的token可以进行erc20的操作,可以将流动性token传送给其他用户
  13. 用户也可以取出流动性,配对合约将销毁流动性,并将两种token同时返还用户
  14. 返还的数量将根据流动性数量和两种token的储备量重新计算,如果有手续费收益,用户也将得到收益
  15. 用户可以通过一种token交换另一种token,配对合约将扣除千分之3的手续费
  16. 在uniswap核心合约基础上,还有一个路由合约用来更好的操作核心合约
  17. 路由合约拥有3部分操作方法,添加流动性,移除流动性,交换
  18. 虽然配对合约已经可以完成所有的交易操作,但路由合约将所有操作整合,配合前端更好的完成交易
  19. 因为路由合约的代码量较多,布署时会超过gas限制,所以路由合约被分为两个版本,功能互相补充

Cuiswap Interface

部署和创建交易所步骤

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