// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

import "./Proxy.sol";

interface ERC165 {
    function supportsInterface(bytes4 id) external view returns (bool);
}

///@notice Proxy implementing EIP173 for ownership management
contract EIP173Proxy is Proxy {
    // ////////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    // /////////////////////// CONSTRUCTOR //////////////////////////////////////////////////////////////////////

    constructor(
        address implementationAddress,
        address ownerAddress,
        bytes memory data
    ) payable {
        _setImplementation(implementationAddress, data);
        _setOwner(ownerAddress);
    }

    // ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////

    function owner() external view returns (address) {
        return _owner();
    }

    function supportsInterface(bytes4 id) external view returns (bool) {
        if (id == 0x01ffc9a7 || id == 0x7f5828d0) {
            return true;
        }
        if (id == 0xFFFFFFFF) {
            return false;
        }

        ERC165 implementation;
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            implementation := sload(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc)
        }

        // Technically this is not standard compliant as ERC-165 require 30,000 gas which that call cannot ensure
        // because it is itself inside `supportsInterface` that might only get 30,000 gas.
        // In practise this is unlikely to be an issue.
        try implementation.supportsInterface(id) returns (bool support) {
            return support;
        } catch {
            return false;
        }
    }

    function transferOwnership(address newOwner) external onlyOwner {
        _setOwner(newOwner);
    }

    function upgradeTo(address newImplementation) external onlyOwner {
        _setImplementation(newImplementation, "");
    }

    function upgradeToAndCall(address newImplementation, bytes calldata data) external payable onlyOwner {
        _setImplementation(newImplementation, data);
    }

    // /////////////////////// MODIFIERS ////////////////////////////////////////////////////////////////////////

    modifier onlyOwner() {
        require(msg.sender == _owner(), "NOT_AUTHORIZED");
        _;
    }

    // ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////

    function _owner() internal view returns (address adminAddress) {
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            adminAddress := sload(0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103)
        }
    }

    function _setOwner(address newOwner) internal {
        address previousOwner = _owner();
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            sstore(0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103, newOwner)
        }
        emit OwnershipTransferred(previousOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.7.0;

// EIP-1967
abstract contract Proxy {
    // /////////////////////// EVENTS ///////////////////////////////////////////////////////////////////////////

    event ProxyImplementationUpdated(address indexed previousImplementation, address indexed newImplementation);

    // ///////////////////// EXTERNAL ///////////////////////////////////////////////////////////////////////////

    receive() external payable virtual {
        revert("ETHER_REJECTED"); // explicit reject by default
    }

    fallback() external payable {
        _fallback();
    }

    // ///////////////////////// INTERNAL //////////////////////////////////////////////////////////////////////

    function _fallback() internal {
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            let implementationAddress := sload(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc)
            calldatacopy(0x0, 0x0, calldatasize())
            let success := delegatecall(gas(), implementationAddress, 0x0, calldatasize(), 0, 0)
            let retSz := returndatasize()
            returndatacopy(0, 0, retSz)
            switch success
                case 0 {
                    revert(0, retSz)
                }
                default {
                    return(0, retSz)
                }
        }
    }

    function _setImplementation(address newImplementation, bytes memory data) internal {
        address previousImplementation;
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            previousImplementation := sload(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc)
        }

        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            sstore(0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc, newImplementation)
        }

        emit ProxyImplementationUpdated(previousImplementation, newImplementation);

        if (data.length > 0) {
            (bool success, ) = newImplementation.delegatecall(data);
            if (!success) {
                assembly {
                    // This assembly ensure the revert contains the exact string data
                    let returnDataSize := returndatasize()
                    returndatacopy(0, 0, returnDataSize)
                    revert(0, returnDataSize)
                }
            }
        }
    }
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"implementationAddress","type":"address"},{"internalType":"address","name":"ownerAddress","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousImplementation","type":"address"},{"indexed":true,"internalType":"address","name":"newImplementation","type":"address"}],"name":"ProxyImplementationUpdated","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"id","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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