/** 微信公众号 币圈魔法师 *Submitted for verification at Etherscan.io on 2023-05-16 */ /** *Submitted for verification at Etherscan.io on 2023-05-02 */ // File: contracts\open-zeppelin-contracts\token\ERC20\IERC20.sol pragma solidity ^0.5.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. Does not include * the optional functions; to access them see `ERC20Detailed`. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view retu...
