Source Code 1: Uniswap v2
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May 11
Uniswap V2的Contract分成V2-Core和V2-periphery。V2-Core Contract 结构Uniswap V2 core contract由interface, libraries以及UNI-V2 token (ERC20),Pair, 和Pair Factory合约组成。InterfacesInterface包括IERC20和IUniswapV2ERC20, IUniswapV2Callee,IUniswapV2Factory,和IUniswapV2Pair。IUniswapV2ERC20和IERC20定义了ERC20接口。IUniswapV2ERC20与标准IERC20的区别是IUniswapV2ERC20定义了DOMAIN_SEPARATOR, PERMIT_TYPEHASH, nonces, 和permit四个function. 他们的主要作用是支持meta transaction(允许UniswapV2ERC20 token持有人授权第三方来转移token)。IUniswapV2Callee定义了flash swap时用户可以自定义的un...
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