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 ^0.4.24;

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 proxyOwnerPosition = keccak256("org.zeppelinos.proxy.owner");

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

  /**
  * @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 = proxyOwnerPosition;
    assembly {
      owner := sload(position)
    }
  }

  /**
   * @dev Sets the address of the owner
   */
  function setUpgradeabilityOwner(address newProxyOwner) internal {
    bytes32 position = proxyOwnerPosition;
    assembly {
      sstore(position, newProxyOwner)
    }
  }

  /**
   * @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));
    emit ProxyOwnershipTransferred(proxyOwner(), newOwner);
    setUpgradeabilityOwner(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 Allows the proxy owner to upgrade the current version of the proxy and call the new implementation
   * to initialize whatever is needed through a low level call.
   * @param implementation representing the address of the new implementation to be set.
   * @param data represents the msg.data to bet sent in the low level call. This parameter may include the function
   * signature of the implementation to be called with the needed payload
   */
  function upgradeToAndCall(address implementation, bytes data) payable public onlyProxyOwner {
    upgradeTo(implementation);
    require(implementation.delegatecall(data));
}
}

pragma solidity ^0.4.24;

library Address {
    /**
     * Returns whether the target address is a contract
     * @dev This function will return false if invoked during the constructor of a contract,
     * as the code is not actually created until after the constructor finishes.
     * @param account address of the account to check
     * @return whether the target address is a contract
     */
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        // XXX Currently there is no better way to check if there is a contract in an address
        // than to check the size of the code at that address.
        // See https://ethereum.stackexchange.com/a/14016/36603
        // for more details about how this works.
        // TODO Check this again before the Serenity release, because all addresses will be
        // contracts then.
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }
}

pragma solidity ^0.4.24;

/**
 * @title Proxy
 * @dev Gives the possibility to delegate any call to a foreign implementation.
 */
contract Proxy {
  /**
  * @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);

  /**
  * @dev Fallback function allowing to perform a delegatecall to the given implementation.
  * This function will return whatever the implementation call returns
  */
  function () payable public {
    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) }
    }
  }
}

pragma solidity ^0.4.24;

import './Proxy.sol';
import './Address.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 implementationPosition = keccak256("org.zeppelinos.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 = implementationPosition;
    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 {
    require(Address.isContract(newImplementation),"newImplementation is not a contractAddress");
    bytes32 position = implementationPosition;
    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":false,"inputs":[{"name":"implementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","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":[],"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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

211:2582:1:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;583:13:2;599:16;:14;:16::i;:::-;583:32;;646:1;629:19;;:5;:19;;;;621:28;;;;;;;;690:4;684:11;723:12;720:1;715:3;702:34;804:1;801;787:12;782:3;775:5;770:3;757:49;825:14;869:4;866:1;861:3;846:28;889:6;907:1;902:28;;;;959:4;954:3;947:17;902:28;923:4;918:3;911:17;1106:158:1;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1106:158:1;;;;;;;;;;;;;;;;;;;;;;;;;;;2047:102;;8:9:-1;5:2;;;30:1;27;20:12;5:2;2047:102:1;;;;;;;;;;;;;;;;;;;;;;;;;;;;2617:174;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;858:164:3;;8:9:-1;5:2;;;30:1;27;20:12;5:2;858:164:3;;;;;;;;;;;;;;;;;;;;;;;;;;;1652:212:1;;8:9:-1;5:2;;;30:1;27;20:12;5:2;1652:212:1;;;;;;;;;;;;;;;;;;;;;;;;;;;;858:164:3;905:12;925:16;614:48;;;;;;;;;;;;;;;;;;;;;;;;925:41;;1003:8;997:15;989:23;;981:37;;:::o;1106:158:1:-;1149:13;1170:16;645:39;;;;;;;;;;;;;;;;;;;1170:37;;1245:8;1239:15;1230:24;;1222:38;;:::o;2047:102::-;986:12;:10;:12::i;:::-;972:26;;:10;:26;;;964:35;;;;;;;;2118:26;2129:14;2118:10;:26::i;:::-;2047:102;:::o;2617:174::-;986:12;:10;:12::i;:::-;972:26;;:10;:26;;;964:35;;;;;;;;2715:25;2725:14;2715:9;:25::i;:::-;2754:14;:27;;2782:4;2754:33;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:10;8:100;;;99:1;94:3;90:11;84:18;80:1;75:3;71:11;64:39;52:2;49:1;45:10;40:15;;8:100;;;12:14;2754:33:1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2746:42;;;;;;;;2617:174;;:::o;1652:212::-;986:12;:10;:12::i;:::-;972:26;;:10;:26;;;964:35;;;;;;;;1758:1;1738:22;;:8;:22;;;;1730:31;;;;;;;;1772:49;1798:12;:10;:12::i;:::-;1812:8;1772:49;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1827:32;1850:8;1827:22;:32::i;:::-;1652:212;:::o;1607:252:3:-;1669:29;1701:16;:14;:16::i;:::-;1669:48;;1756:17;1731:42;;:21;:42;;;;1723:51;;;;;;;;1780:36;1798:17;1780;:36::i;:::-;1836:17;1827:27;;;;;;;;;;;;1607:252;;:::o;1320:171:1:-;1390:16;645:39;;;;;;;;;;;;;;;;;;;1390:37;;1467:13;1457:8;1450:31;1442:45;;:::o;1179:275:3:-;1345:16;1256:37;1275:17;1256:18;:37::i;:::-;1248:91;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;614:48;;;;;;;;;;;;;;;;;;;;;;;;1345:41;;1426:17;1416:8;1409:35;1401:49;;:::o;404:616:0:-;464:4;480:12;979:7;967:20;959:28;;1012:1;1005:4;:8;998:15;;404:616;;;;:::o

bzzr://b21827233f9d2bef4fe7ba531d23ab64a9325b87e4f66551d34e9fa11786d84b