Files
openzeppelin-contracts/contracts/token/ERC20/IERC20.sol
2018-12-21 14:04:41 +05:30

28 lines
778 B
Solidity

pragma solidity ^0.4.24;
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
event Approval(address indexed owner, address indexed spender, uint256 value);
}