// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.4;

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 ProxyAdminTransferred(
        address indexed previousAdmin,
        address indexed newAdmin
    );

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

    constructor(
        address implementationAddress,
        address adminAddress,
        bytes memory data
    ) payable {
        _setImplementation(implementationAddress, data);
        _setProxyAdmin(adminAddress);
    }

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

    function proxyAdmin() external view returns (address) {
        return _proxyAdmin();
    }

    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 transferProxyAdmin(address newAdmin) external onlyProxyAdmin {
        _setProxyAdmin(newAdmin);
    }

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

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

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

    modifier onlyProxyAdmin() {
        require(msg.sender == _proxyAdmin(), "NOT_AUTHORIZED");
        _;
    }

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

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

    function _setProxyAdmin(address newAdmin) internal {
        address previousAdmin = _proxyAdmin();
        // solhint-disable-next-line security/no-inline-assembly
        assembly {
            sstore(
                0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103,
                newAdmin
            )
        }
        emit ProxyAdminTransferred(previousAdmin, newAdmin);
    }
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.4;

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

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

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

    // prettier-ignore
    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)
                }
            }
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"implementationAddress","type":"address"},{"internalType":"address","name":"adminAddress","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"}],"name":"ProxyAdminTransferred","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":"proxyAdmin","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":"newAdmin","type":"address"}],"name":"transferProxyAdmin","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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