// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity >=0.8.0; import '@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol'; /// @dev Burnable ERC20 Token interface /// @author Alexandas interface IERC20 is IERC20Upgradeable { /// @dev burn tokens /// @param amount token amount function burn(uint256 amount) external; /// @dev burn tokens /// @param account user address /// @param amount token amount function burnFrom(address account, uint256 amount) external; }