// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IERC20 { event Transfer(address indexed from, address indexed to, uint256 value); event Approval(address indexed owner, address indexed spender, uint256 value); function totalSupply() external view returns (uint256); function balanceOf(address account) external view returns (uint256); function transfer(address to, uint256 amount) external returns (bool); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 amount) external returns (bool); function transferFrom(address from, address to, uint256 amount) external returns (bool); } interface IERC20Metadata is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); }
0.7.1