Contract Source Code (Solidity Multiple files format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

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

pragma solidity 0.5.7;

import "./UpgradeabilityProxy.sol";


/**
 * @title OwnedUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with basic authorization control functionalities
 */
contract OwnedUpgradeabilityProxy is UpgradeabilityProxy {
    /**
    * @dev Event to show ownership has been transferred
    * @param previousOwner representing the address of the previous owner
    * @param newOwner representing the address of the new owner
    */
    event ProxyOwnershipTransferred(address previousOwner, address newOwner);

    // Storage position of the owner of the contract
    bytes32 private constant PROXY_OWNER_POSITION = keccak256("org.govblocks.proxy.owner");

    /**
    * @dev the constructor sets the original owner of the contract to the sender account.
    */
    constructor(address _implementation) public {
        _setUpgradeabilityOwner(msg.sender);
        _upgradeTo(_implementation);
    }

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

    /**
    * @dev Tells the address of the owner
    * @return the address of the owner
    */
    function proxyOwner() public view returns (address owner) {
        bytes32 position = PROXY_OWNER_POSITION;
        assembly {
            owner := sload(position)
        }
    }

    /**
    * @dev Allows the current owner to transfer control of the contract to a newOwner.
    * @param _newOwner The address to transfer ownership to.
    */
    function transferProxyOwnership(address _newOwner) public onlyProxyOwner {
        require(_newOwner != address(0));
        _setUpgradeabilityOwner(_newOwner);
        emit ProxyOwnershipTransferred(proxyOwner(), _newOwner);
    }

    /**
    * @dev Allows the proxy owner to upgrade the current version of the proxy.
    * @param _implementation representing the address of the new implementation to be set.
    */
    function upgradeTo(address _implementation) public onlyProxyOwner {
        _upgradeTo(_implementation);
    }

    /**
     * @dev Sets the address of the owner
    */
    function _setUpgradeabilityOwner(address _newProxyOwner) internal {
        bytes32 position = PROXY_OWNER_POSITION;
        assembly {
            sstore(position, _newProxyOwner)
        }
    }
}

pragma solidity 0.5.7;


/**
 * @title Proxy
 * @dev Gives the possibility to delegate any call to a foreign implementation.
 */
contract Proxy {
    /**
    * @dev Fallback function allowing to perform a delegatecall to the given implementation.
    * This function will return whatever the implementation call returns
    */
    function () external payable {
        address _impl = implementation();
        require(_impl != address(0));

        assembly {
            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize)
            let result := delegatecall(gas, _impl, ptr, calldatasize, 0, 0)
            let size := returndatasize
            returndatacopy(ptr, 0, size)

            switch result
            case 0 { revert(ptr, size) }
            default { return(ptr, size) }
            }
    }

    /**
    * @dev Tells the address of the implementation where every call will be delegated.
    * @return address of the implementation to which it will be delegated
    */
    function implementation() public view returns (address);
}

pragma solidity 0.5.7;

import "./Proxy.sol";


/**
 * @title UpgradeabilityProxy
 * @dev This contract represents a proxy where the implementation address to which it will delegate can be upgraded
 */
contract UpgradeabilityProxy is Proxy {
    /**
    * @dev This event will be emitted every time the implementation gets upgraded
    * @param implementation representing the address of the upgraded implementation
    */
    event Upgraded(address indexed implementation);

    // Storage position of the address of the current implementation
    bytes32 private constant IMPLEMENTATION_POSITION = keccak256("org.govblocks.proxy.implementation");

    /**
    * @dev Constructor function
    */
    constructor() public {}

    /**
    * @dev Tells the address of the current implementation
    * @return address of the current implementation
    */
    function implementation() public view returns (address impl) {
        bytes32 position = IMPLEMENTATION_POSITION;
        assembly {
            impl := sload(position)
        }
    }

    /**
    * @dev Sets the address of the current implementation
    * @param _newImplementation address representing the new implementation to be set
    */
    function _setImplementation(address _newImplementation) internal {
        bytes32 position = IMPLEMENTATION_POSITION;
        assembly {
        sstore(position, _newImplementation)
        }
    }

    /**
    * @dev Upgrades the implementation address
    * @param _newImplementation representing the address of the new implementation to be set
    */
    function _upgradeTo(address _newImplementation) internal {
        address currentImplementation = implementation();
        require(currentImplementation != _newImplementation);
        _setImplementation(_newImplementation);
        emit Upgraded(_newImplementation);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"proxyOwner","outputs":[{"name":"owner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_implementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"impl","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousOwner","type":"address"},{"indexed":false,"name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]

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

00000000000000000000000080b72ce39b3d73c46b2b8b9ef3acbf300a0077e7

-----Decoded View---------------
Arg [0] : _implementation (address): 0x80b72ce39B3D73c46b2B8b9ef3AcBf300a0077e7

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000080b72ce39b3d73c46b2b8b9ef3acbf300a0077e7

209:2154:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;370:13:1;386:16;:14;:16::i;:::-;370:32;-1:-1:-1;;;;;;420:19:1;;412:28;;;;;;491:4;485:11;530:12;527:1;522:3;509:34;617:1;614;600:12;595:3;588:5;583:3;570:49;644:14;694:4;691:1;686:3;671:28;720:6;739:28;;;;802:4;797:3;790:17;739:28;760:4;755:3;748:17;1221:180:0;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1221:180:0;;;:::i;:::-;;;;-1:-1:-1;;;;;1221:180:0;;;;;;;;;;;;;;1992:110;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1992:110:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;1992:110:0;-1:-1:-1;;;;;1992:110:0;;:::i;:::-;;856:185:2;;8:9:-1;5:2;;;30:1;27;20:12;5:2;856:185:2;;;:::i;1570:231:0:-;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1570:231:0;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;1570:231:0;-1:-1:-1;;;;;1570:231:0;;:::i;856:185:2:-;903:12;927:16;600:47;;;;;;;;;;;;;;;;;;1010:15;;988:47;-1:-1:-1;;;988:47:2:o;1221:180:0:-;661:38;;;;;;;;;;;;;;;;1370:15;;1347:48::o;1992:110::-;1088:12;:10;:12::i;:::-;-1:-1:-1;;;;;1074:26:0;:10;-1:-1:-1;;;;;1074:26:0;;1066:35;;;;;;2068:27;2079:15;2068:10;:27::i;:::-;1992:110;:::o;1570:231::-;1088:12;:10;:12::i;:::-;-1:-1:-1;;;;;1074:26:0;:10;-1:-1:-1;;;;;1074:26:0;;1066:35;;;;;;-1:-1:-1;;;;;1661:23:0;;1653:32;;;;;;1695:34;1719:9;1695:23;:34::i;:::-;1744:50;1770:12;:10;:12::i;:::-;1744:50;;;-1:-1:-1;;;;;1744:50:0;;;;;;;;;;;;;;;;;;;;;1570:231;:::o;1565:275:2:-;1632:29;1664:16;:14;:16::i;:::-;1632:48;;1723:18;-1:-1:-1;;;;;1698:43:2;:21;-1:-1:-1;;;;;1698:43:2;;;1690:52;;;;;;1752:38;1771:18;1752;:38::i;:::-;1805:28;;-1:-1:-1;;;;;1805:28:2;;;;;;;;1565:275;;:::o;2165:196:0:-;661:38;;;;;;;;;;;;;;;;2313:32;2299:56::o;1206:198:2:-;1281:16;600:47;;;;;;;;;;;;;;;;;;1352:36;;;;-1:-1:-1;;1342:56:2:o

bzzr://6870606a08d39cd582e65c880d54753c2c1a89f81be1bb59b117f3baa5362668