// SPDX-License-Identifier: UNLICENSED
// This code is taken from https://github.com/OpenZeppelin/openzeppelin-labs
// with minor modifications.
pragma solidity ^0.7.0;

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() {
    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 owner 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 memory data) payable public onlyProxyOwner {
    upgradeTo(implementation);
    (bool success, ) = address(this).call{value: msg.value}(data);
    require(success);
  }
}

// SPDX-License-Identifier: UNLICENSED
// This code is taken from https://github.com/OpenZeppelin/openzeppelin-labs
// with minor modifications.
pragma solidity ^0.7.0;

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 implementationPosition = keccak256("org.zeppelinos.proxy.implementation");

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

    /**
     * @dev Tells the address of the current implementation
     * @return impl address of the current implementation
     */
    function implementation() public view override 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 {
        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);
    }
}

// SPDX-License-Identifier: UNLICENSED
// This code is taken from https://github.com/OpenZeppelin/openzeppelin-labs
pragma solidity ^0.7.0;

/**
 * @title Proxy
 * @dev Gives the possibility to delegate any call to a foreign implementation.
 */
abstract 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 virtual returns (address);

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

  receive() payable external {}
}

{
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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

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