Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Is this a proxy?
• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2019-07-08
*/

contract Delegatable {
    address public empty1; // unknown slot
    address public empty2; // unknown slot
    address public empty3;  // unknown slot
    address public owner;  // matches owner slot in controller
    address public delegation; // matches thisAddr slot in controller

    event DelegationTransferred(address indexed previousDelegate, address indexed newDelegation);
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    modifier onlyOwner() {
        require(msg.sender == owner, "Sender is not the owner");
        _;
    }

    constructor() public {}

    /**
    * @dev Allows owner to transfer delegation of the contract to a newDelegation.
    * @param _newDelegation The address to transfer delegation to.
    */
    function transferDelegation(address _newDelegation) public onlyOwner {
        require(_newDelegation != address(0), "Trying to transfer to address 0");
        emit DelegationTransferred(delegation, _newDelegation);
        delegation = _newDelegation;
    }

    /**
    * @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), "Trying to transfer to address 0");
        emit OwnershipTransferred(owner, _newOwner);
        owner = _newOwner;
    }
}


contract DelegateProxy {

    constructor() public {}

    /**
    * @dev Performs a delegatecall and returns whatever is returned (entire context execution will return!)
    * @param _dst Destination address to perform the delegatecall
    * @param _calldata Calldata for the delegatecall
    */
    function delegatedFwd(address _dst, bytes _calldata) internal {
        assembly {
            let result := delegatecall(sub(gas, 10000), _dst, add(_calldata, 0x20), mload(_calldata), 0, 0)
            let size := returndatasize

            let ptr := mload(0x40)
            returndatacopy(ptr, 0, size)

            // revert instead of invalid() bc if the underlying call failed with invalid() it already wasted gas.
            // if the call returned error data, forward it
            switch result case 0 { revert(ptr, size) }
            default { return(ptr, size) }
        }
    }
}

contract Proxy is Delegatable, DelegateProxy {

    constructor() public {}

    /**
    * @dev Function to invoke all function that are implemented in controler
    */
    function () public {
        require(delegation != address(0), "Delegation is address 0, not initialized");
        delegatedFwd(delegation, msg.data);
    }

    /**
    * @dev Function to initialize storage of proxy
    * @param _controller The address of the controller to load the code from
    */
    function initialize(address _controller, uint256) public {
        require(owner == 0, "Already initialized");
        owner = msg.sender;
        delegation = _controller;
        delegatedFwd(_controller, msg.data);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"empty3","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newDelegation","type":"address"}],"name":"transferDelegation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"empty1","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"empty2","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_controller","type":"address"},{"name":"","type":"uint256"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"delegation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousDelegate","type":"address"},{"indexed":true,"name":"newDelegation","type":"address"}],"name":"DelegationTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

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

2405:726:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2405:726:0;2645:1;2623:24;;:10;;;;;;;;;;;:24;;;;2615:77;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2703:34;2716:10;;;;;;;;;;;2728:8;;2703:34;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:12;:34::i;:::-;2405:726;116:21;;8:9:-1;5:2;;;30:1;27;20:12;5:2;116:21:0;;;;;;;;;;;;;;;;;;;;;;;;;;;804:263;;8:9:-1;5:2;;;30:1;27;20:12;5:2;804:263:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;161:20;;8:9:-1;5:2;;;30:1;27;20:12;5:2;161:20:0;;;;;;;;;;;;;;;;;;;;;;;;;;;28:21;;8:9:-1;5:2;;;30:1;27;20:12;5:2;28:21:0;;;;;;;;;;;;;;;;;;;;;;;;;;;72;;8:9:-1;5:2;;;30:1;27;20:12;5:2;72:21:0;;;;;;;;;;;;;;;;;;;;;;;;;;;2900:228;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2900:228:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;225:25;;8:9:-1;5:2;;;30:1;27;20:12;5:2;225:25:0;;;;;;;;;;;;;;;;;;;;;;;;;;;1242:231;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1242:231:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;1792:606;1982:1;1979;1967:9;1961:16;1954:4;1943:9;1939:20;1933:4;1925:5;1920:3;1916:15;1903:81;2010:14;2057:4;2051:11;2099:4;2096:1;2091:3;2076:28;2302:6;2314:1;2309:28;;;;2373:4;2368:3;2361:17;2309:28;2330:4;2325:3;2318:17;116:21;;;;;;;;;;;;;:::o;804:263::-;543:5;;;;;;;;;;;529:19;;:10;:19;;;521:55;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;918:1;892:28;;:14;:28;;;;884:72;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1006:14;972:49;;994:10;;;;;;;;;;;972:49;;;;;;;;;;;;1045:14;1032:10;;:27;;;;;;;;;;;;;;;;;;804:263;:::o;161:20::-;;;;;;;;;;;;;:::o;28:21::-;;;;;;;;;;;;;:::o;72:::-;;;;;;;;;;;;;:::o;2900:228::-;2985:1;2976:5;;;;;;;;;;;:10;;;2968:42;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3029:10;3021:5;;:18;;;;;;;;;;;;;;;;;;3063:11;3050:10;;:24;;;;;;;;;;;;;;;;;;3085:35;3098:11;3111:8;;3085:35;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:12;:35::i;:::-;2900:228;;:::o;225:25::-;;;;;;;;;;;;;:::o;1242:231::-;543:5;;;;;;;;;;;529:19;;:10;:19;;;521:55;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1345:1;1324:23;;:9;:23;;;;1316:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1427:9;1399:38;;1420:5;;;;;;;;;;;1399:38;;;;;;;;;;;;1456:9;1448:5;;:17;;;;;;;;;;;;;;;;;;1242:231;:::o

bzzr://d32c1a443d9dae25d6b782e6c2334d9c39e4bc487c5d1208f8c5f43686a5af36