/**
 * Copyright 2017-2021, bZeroX, LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0.
 */

pragma solidity >=0.5.0 <0.6.0;

contract IERC20 {
	string public name;
	uint8 public decimals;
	string public symbol;

	function totalSupply() public view returns (uint256);

	function balanceOf(address _who) public view returns (uint256);

	function allowance(address _owner, address _spender) public view returns (uint256);

	function approve(address _spender, uint256 _value) public returns (bool);

	function transfer(address _to, uint256 _value) public returns (bool);

	function transferFrom(
		address _from,
		address _to,
		uint256 _value
	) public returns (bool);

	event Transfer(address indexed from, address indexed to, uint256 value);
	event Approval(address indexed owner, address indexed spender, uint256 value);
}