all files / contracts/zeppelin/token/ ERC20.sol

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pragma solidity ^0.4.11;
 
 
import './ERC20Basic.sol';
 
 
/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
    function allowance(address owner, address spender) public view returns (uint256);
 
    function transferFrom(address from, address to, uint256 value) public returns (bool);
 
    function approve(address spender, uint256 value) public returns (bool);
 
    event Approval(address indexed owner, address indexed spender, uint256 indexed value);
}