Contract Source Code (Solidity)

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Outline

•  contract Ownable
•    - function transferOwnership(address ne ...
•  contract ERC20BasicInterface
•    - function totalSupply()
•    - function balanceOf(address who)
•    - function transfer(address to, uint256 ...
•    - function transferFrom(address from, a ...
•  contract GachaDrop is Ownable *
•    - function getAward()
•    - function isValidToPlay()
•    - function changePeriodToPlay(uint _per ...
•    - function updateGetAward()

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/**
 *Submitted for verification at Etherscan.io on 2019-08-09
*/

/**
 *Submitted for verification at Etherscan.io on 2019-07-31
*/

pragma solidity 0.5.10;

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address public owner;


    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


    /**
     * @dev The Ownable constructor sets the original `owner` of the contract to the sender
     * account.
     */
    constructor() public {
        owner = msg.sender;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }

    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * @param newOwner The address to transfer ownership to.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }

}
contract ERC20BasicInterface {
    function totalSupply() public view returns (uint256);

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

    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);

    uint8 public decimals;
}
contract GachaDrop is Ownable {
    uint public periodToPlay = 86400; // 86400; // seconds
    bool public isEnded;
    mapping(address => uint) public timeTrackUser;
    event _random(address _from, uint _ticket);
    constructor() public {}
    function getAward() public {
        require(isValidToPlay());
        timeTrackUser[msg.sender] = block.timestamp;
        emit _random(msg.sender, block.timestamp);
    }

    function isValidToPlay() public view returns (bool){
        return (!isEnded
        && periodToPlay <= now - timeTrackUser[msg.sender]);
    }
    function changePeriodToPlay(uint _period) onlyOwner public{
        periodToPlay = _period;
    }
    function updateGetAward() onlyOwner public{
        isEnded = true;
    }

}

• No Contract Security Audit Submitted- Submit Audit Here

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