DenisShayahmetov

pragma solidity ^0.4.21;

contract QZCrowdsale {
    address public owner;
    uint public fundingGoal;
    uint public amountRaised;
    uint public deadline;
    address[] investors;
    mapping(address => uint256) public balanceOf;
    bool public fundingGoalReached;

DenisShayahmetov

pragma solidity ^0.4.11;

/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) constant returns (uint256);

DenisShayahmetov

pragma solidity ^0.4.13;

interface token {
    function transfer(address receiver, uint256 amount);
    function burn(uint256 value);
}

contract PreQZCrowdSale {
    address public beneficiary;
    uint public fundingGoal;