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•  contract DSProxyInterface
•    - function execute(address _target, byt ...
•    - function setCache(address _cacheAddr)
•    - function owner()
• interface ERC20
•    - function totalSupply()
•    - function balanceOf(address _owner)
•    - function transfer(address _to, uint25 ...
•    - function transferFrom(address _from, ...
•    - function approve(address _spender, ui ...
•    - function allowance(address _owner, ad ...
•    - function decimals()
•  contract AdminAuth
•    - function setAdminByOwner(address _adm ...
•    - function setAdminByAdmin(address _adm ...
•    - function setOwnerByAdmin(address _own ...
•  contract MCDMonitorProxyV2 is Admi ... *
•    - function callExecute(address _owner, ...
•    - function setMonitor(address _monitor)
•    - function changeMonitor(address _newMo ...
•    - function cancelMonitorChange()
•    - function confirmNewMonitor()
•    - function revertMonitor()
•    - function addAllowed(address _user)
•    - function removeAllowed(address _user)
•    - function setChangePeriod(uint _period ...
•    - function withdrawToken(address _token ...
•    - function withdrawEth()

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/**
 *Submitted for verification at Etherscan.io on 2020-04-04
*/

pragma solidity ^0.5.0;


contract DSProxyInterface {

    
    
    
    
    

    function execute(address _target, bytes memory _data) public payable returns (bytes32);

    function setCache(address _cacheAddr) public payable returns (bool);

    function owner() public returns (address);
}

interface ERC20 {
    function totalSupply() external view returns (uint256 supply);

    function balanceOf(address _owner) external view returns (uint256 balance);

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

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

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

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

    function decimals() external view returns (uint256 digits);

    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

contract AdminAuth {

    address public owner;
    address public admin;

    modifier onlyOwner() {
        require(owner == msg.sender);
        _;
    }

    constructor() public {
        owner = msg.sender;
    }

    
    
    function setAdminByOwner(address _admin) public {
        require(msg.sender == owner);
        require(_admin == address(0));

        admin = _admin;
    }

    
    
    function setAdminByAdmin(address _admin) public {
        require(msg.sender == admin);

        admin = _admin;
    }

    
    
    function setOwnerByAdmin(address _owner) public {
        require(msg.sender == admin);

        owner = _owner;
    }
}

contract MCDMonitorProxyV2 is AdminAuth {

    uint public CHANGE_PERIOD;
    address public monitor;
    address public newMonitor;
    address public lastMonitor;
    uint public changeRequestedTimestamp;

    mapping(address => bool) public allowed;

    event MonitorChangeInitiated(address oldMonitor, address newMonitor);
    event MonitorChangeCanceled();
    event MonitorChangeFinished(address monitor);
    event MonitorChangeReverted(address monitor);

    
    modifier onlyAllowed() {
        require(allowed[msg.sender] || msg.sender == owner);
        _;
    }

    modifier onlyMonitor() {
        require (msg.sender == monitor);
        _;
    }

    constructor(uint _changePeriod) public {
        CHANGE_PERIOD = _changePeriod * 1 days;
    }

    
    
    
    
    function callExecute(address _owner, address _saverProxy, bytes memory _data) public payable onlyMonitor {
        
        DSProxyInterface(_owner).execute.value(msg.value)(_saverProxy, _data);

        
        if (address(this).balance > 0) {
            msg.sender.transfer(address(this).balance);
        }
    }

    
    
    function setMonitor(address _monitor) public onlyAllowed {
        require(monitor == address(0));
        monitor = _monitor;
    }

    
    
    
    function changeMonitor(address _newMonitor) public onlyAllowed {
        require(changeRequestedTimestamp == 0);

        changeRequestedTimestamp = now;
        lastMonitor = monitor;
        newMonitor = _newMonitor;

        emit MonitorChangeInitiated(lastMonitor, newMonitor);
    }

    
    function cancelMonitorChange() public onlyAllowed {
        require(changeRequestedTimestamp > 0);

        changeRequestedTimestamp = 0;
        newMonitor = address(0);

        emit MonitorChangeCanceled();
    }

    
    function confirmNewMonitor() public onlyAllowed {
        require((changeRequestedTimestamp + CHANGE_PERIOD) < now);
        require(changeRequestedTimestamp != 0);
        require(newMonitor != address(0));

        monitor = newMonitor;
        newMonitor = address(0);
        changeRequestedTimestamp = 0;

        emit MonitorChangeFinished(monitor);
    }

    
    function revertMonitor() public onlyAllowed {
        require(lastMonitor != address(0));

        monitor = lastMonitor;

        emit MonitorChangeReverted(monitor);
    }


    
    
    function addAllowed(address _user) public onlyAllowed {
        allowed[_user] = true;
    }

    
    
    
    function removeAllowed(address _user) public onlyAllowed {
        allowed[_user] = false;
    }

    function setChangePeriod(uint _periodInDays) public onlyAllowed {
        require(_periodInDays * 1 days > CHANGE_PERIOD);

        CHANGE_PERIOD = _periodInDays * 1 days;
    }

    
    
    function withdrawToken(address _token) public onlyOwner {
        uint balance = ERC20(_token).balanceOf(address(this));
        ERC20(_token).transfer(msg.sender, balance);
    }

    
    function withdrawEth() public onlyOwner {
        uint balance = address(this).balance;
        msg.sender.transfer(balance);
    }
}

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0000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _changePeriod (uint256): 0

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000000