Contract 0x5979d7b546e38e414f7e9822514be443a4800529 3

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x3fc043e09fb7f594bf123aab6b9576e697654efd8e29b20ce32eed537c252628Approve578380862023-02-04 2:30:3750 secs ago0x61653ccfc72c1b01d46eec4a4407425256f3872f IN  Wrapped stETH: wstETH Token0 ETH0.00004845
0x2d001f6fbbe51ca34956ba5d664e4640a84fc43641f57e9742cc6dd9f603e98eApprove578371852023-02-04 2:25:365 mins ago0x60c8cd406ea7141b58ab6521fc548863a8d29339 IN  Wrapped stETH: wstETH Token0 ETH0.00004892
0x5aec2c5c147d9d857f10b9681510940232584cd04a6ac533be5ea5e5bb9cdc90Approve578368892023-02-04 2:24:107 mins ago0xd70b8440b50e58ded8367f78a224c2c5f299f9d5 IN  Wrapped stETH: wstETH Token0 ETH0.00004845
0x8097f6234bc2d6d3aaa6f46cba9569ee806ff8fb6f71807a6464ae2cf157b4c6Approve578357352023-02-04 2:17:4313 mins ago0x4bfb2c232f70c83136a3f206cd26df2a0b605cec IN  Wrapped stETH: wstETH Token0 ETH0.00004262
0xd70bdc417145e0fc9a677511f0798ae5d980bb9add42a257b5fc4784ef2143efApprove578353992023-02-04 2:15:4815 mins ago0x2fa94e1fbdebf6e6d5f46ed18e5333dff2a1899b IN  Wrapped stETH: wstETH Token0 ETH0.00004388
0x093107f1a03eafa4de986a530632f3b1cbc401b17ab70bd7e9bc558b7810c0b4Approve578352122023-02-04 2:14:4316 mins ago0xbd4bb362850ce280e994ba06ebadd106fb187d0c IN  Wrapped stETH: wstETH Token0 ETH0.00004429
0x544bbe9c816351747b585063c969b33e3c478cc9543395bb7845b89f0e1239a7Approve578347602023-02-04 2:12:1319 mins ago0x72714874522d9b27dcacb7a1aaca68f78b6b664e IN  Wrapped stETH: wstETH Token0 ETH0.00004241
0xbbef90750e3a41d82856f842e5f5ee029f8bd834dc110e37ccd96fbd2f6b9d14Approve578330732023-02-04 2:02:2029 mins ago0x9a88005428e7a98904eab33749afd56f6db16e27 IN  Wrapped stETH: wstETH Token0 ETH0.00003844
0x94c476d1872324461c46f4411d118ef5c39fc5ddbccc968e5e2dfdc62c006664Approve578329612023-02-04 2:01:4129 mins ago0x31b88926d15f8b0f0d57a85070f382541dca226e IN  Wrapped stETH: wstETH Token0 ETH0.00003945
0xcf5d1f5f8e37cce28ec55f15b1ba14bca6025ef01976a8022f2aad1cb6af5c7eApprove578327012023-02-04 2:00:0731 mins ago0xffe447072f60dfb924c705efdd9cc5f79b10d1d1 IN  Wrapped stETH: wstETH Token0 ETH0.00004144
0xca57e636a9ed79cd0d738229cff8fcc1ca0027cd706cacde5584ece99fe71deaApprove578326532023-02-04 1:59:5231 mins ago0x054becf10c79afa4e60f75b187837be9fb83867d IN  Wrapped stETH: wstETH Token0 ETH0.00004144
0xbfe25f95887b92afe46ff5434dd2e2ee0825fd0084dbe26d472ba6d55e648f63Approve578322922023-02-04 1:57:5233 mins ago0xb04d72f0d145445abd0c7fa106862d228ce119b5 IN  Wrapped stETH: wstETH Token0 ETH0.00004293
0x40a4c545a95ab0b5892373d17c34cbc20e80c8111e7d87138344d9cc5ac3e9acApprove578322452023-02-04 1:57:3533 mins ago0x3ebcf534d44d160cc71d63809e51f3156f3cc230 IN  Wrapped stETH: wstETH Token0 ETH0.00004293
0x36ec6715ae2c5450655f4a85067ac4d28740a1ae342ccbf9469e6ac827b2eec8Approve578316602023-02-04 1:54:2437 mins ago0x8171f47ea49c5c30c158c7a74be6083f55ea6054 IN  Wrapped stETH: wstETH Token0 ETH0.00004253
0xea88b01e3c306ebccbe3ed0cf291fa541008ae950fd20668d2aa7435042f96f3Approve578312552023-02-04 1:52:0739 mins ago0x8aba40076db7a6b36beec8f2a35fae55d09ae615 IN  Wrapped stETH: wstETH Token0 ETH0.00004263
0x19d1333c3044767f441abf33473e23c3c3621970b8301a8fa9e7f9449568d357Approve578307342023-02-04 1:48:4442 mins ago0x1dab8da475acce5ef82dc6a0ab21cf758f18a8b8 IN  Wrapped stETH: wstETH Token0 ETH0.00004409
0xcc92a36e6e9d770f6ae5894a7bafb0ab9ce10896b565119be3344f89ae20382cApprove578295312023-02-04 1:41:4449 mins ago0xfd308dfdb978b8ed3675a90394040c5b44989e8c IN  Wrapped stETH: wstETH Token0 ETH0.0000427
0x591111895effa65fc09458603bd7637af157e96ff131f7ca496276bad0d75f84Approve578292172023-02-04 1:40:0751 mins ago0x4a4c8e15ccc184e9eff2cbbbbb06ebc2571fe6f0 IN  Wrapped stETH: wstETH Token0 ETH0.00004253
0x4e05c0d6a03f21b033905a143310b39196cd799a71b66e2c432c7eed1a41ffe1Approve578292122023-02-04 1:40:0551 mins ago0x7e81eb3206d770a19dde05d11275d8cad204d5a6 IN  Wrapped stETH: wstETH Token0 ETH0.00004274
0xd77cd98d69e81daccf8cd93a2f671ef2595a0e5eef7008f068e910cab4e79b6eApprove578291942023-02-04 1:40:0051 mins ago0x774b9bc4fc6722b2d961a6dd7c8d2e99e16d05d9 IN  Wrapped stETH: wstETH Token0 ETH0.00004271
0xae727f2bcfd67c464dd8e3297a9b55c3d4bf01d3d94c846105f821ea80580a62Approve578274392023-02-04 1:29:561 hr 1 min ago0x1d4fc5a249b0702468ca520f33b34f92f2fd25d4 IN  Wrapped stETH: wstETH Token0 ETH0.00004563
0xcba73f59bfa8044f132e3e2765322abd68f049cd99a32014a9c32e20849d7437Approve578270182023-02-04 1:27:231 hr 4 mins ago0xac1a5f1c12ed3f89e949e2ffeb438c3656666666 IN  Wrapped stETH: wstETH Token0 ETH0.00004563
0xb4de4c78b659e3f05ab1cc836c7d727ad03a0bdd5696051259c6884f71426775Approve578268492023-02-04 1:26:291 hr 4 mins ago0xf1e34bdc4d2316f27a5a61e2d5679292faf67a4f IN  Wrapped stETH: wstETH Token0 ETH0.00004361
0xd19c391a947790f9e725ef4e805085751dad686f0e3212992461748911de77e1Approve578259122023-02-04 1:20:581 hr 10 mins ago0xb00b36e3c3b81f4b243931e4cff30d22715b314c IN  Wrapped stETH: wstETH Token0 ETH0.00004445
0xf15530f5f627f1d50c2d033d004b9c778123d620ee6443bb2ebf52e903b8931dApprove578242502023-02-04 1:11:531 hr 19 mins ago0xfb397c1f0f441668c84853c603fd2c87a6900414 IN  Wrapped stETH: wstETH Token0 ETH0.00003973
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OVERVIEW

Bridge wstETH to Arbitrum and Optimism to benefit from lower gas fees and exciting DeFi opportunities

Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago Balancer: Vault Wrapped stETH: wstETH Token0 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago 0xa5abf0fb3a51af318c48abb6478d350060009b84 Wrapped stETH: wstETH Token0 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago 0xa5abf0fb3a51af318c48abb6478d350060009b84 Wrapped stETH: wstETH Token0 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago 0x6eb2dc694eb516b16dc9fbc678c60052bbdd7d80 Wrapped stETH: wstETH Token0 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0x90d6e6a5bd0718e4ce35daa18a403a35ba07067878dc7dcab285ea0f6c1c117f578381782023-02-04 2:31:0918 secs ago 0xa5abf0fb3a51af318c48abb6478d350060009b84 Wrapped stETH: wstETH Token0 ETH
0x549ae9fa8c29f16b12f5987cdcd29f1528ff59dadacf22b03cdb0690e9fe7f94578381402023-02-04 2:30:5532 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0x549ae9fa8c29f16b12f5987cdcd29f1528ff59dadacf22b03cdb0690e9fe7f94578381402023-02-04 2:30:5532 secs ago Balancer: Vault Wrapped stETH: wstETH Token0 ETH
0x3fc043e09fb7f594bf123aab6b9576e697654efd8e29b20ce32eed537c252628578380862023-02-04 2:30:3750 secs ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago Balancer: Vault Wrapped stETH: wstETH Token0 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago 0xa5abf0fb3a51af318c48abb6478d350060009b84 Wrapped stETH: wstETH Token0 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago 0xa5abf0fb3a51af318c48abb6478d350060009b84 Wrapped stETH: wstETH Token0 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago 0x6eb2dc694eb516b16dc9fbc678c60052bbdd7d80 Wrapped stETH: wstETH Token0 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xca229dc8f6193892e90b8e43561897e9b08d89baaba1447834883e105046409c578380492023-02-04 2:30:241 min ago 0xa5abf0fb3a51af318c48abb6478d350060009b84 Wrapped stETH: wstETH Token0 ETH
0xdc1f37446db7eee01640e000d97ef1370cfaf252c9cba34ee183bca6e3d94a74578380342023-02-04 2:30:161 min ago Wrapped stETH: wstETH Token 0x0fbcbaea96ce0cf7ee00a8c19c3ab6f5dc8e19210 ETH
0xdc1f37446db7eee01640e000d97ef1370cfaf252c9cba34ee183bca6e3d94a74578380342023-02-04 2:30:161 min ago Balancer: Vault Wrapped stETH: wstETH Token0 ETH
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xE5576eB1dD4aA524D67Cf9a32C8742540252b6F4

Contract Name:
OssifiableProxy

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 100000 runs

Other Settings:
default evmVersion
File 1 of 8 : OssifiableProxy.sol
// SPDX-FileCopyrightText: 2022 Lido <[email protected]>
// SPDX-License-Identifier: GPL-3.0

pragma solidity 0.8.10;

import {Address} from "@openzeppelin/contracts/utils/Address.sol";
import {StorageSlot} from "@openzeppelin/contracts/utils/StorageSlot.sol";
import {ERC1967Proxy} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol";

/// @notice An ossifiable proxy contract. Extends the ERC1967Proxy contract by
///     adding admin functionality
contract OssifiableProxy is ERC1967Proxy {
    /// @dev Initializes the upgradeable proxy with the initial implementation and admin
    /// @param implementation_ Address of the implementation
    /// @param admin_ Address of the admin of the proxy
    /// @param data_ Data used in a delegate call to implementation. The delegate call will be
    ///     skipped if the data is empty bytes
    constructor(
        address implementation_,
        address admin_,
        bytes memory data_
    ) ERC1967Proxy(implementation_, data_) {
        _changeAdmin(admin_);
    }

    /// @notice Returns the current admin of the proxy
    function proxy__getAdmin() external view returns (address) {
        return _getAdmin();
    }

    /// @notice Returns the current implementation address
    function proxy__getImplementation() external view returns (address) {
        return _implementation();
    }

    /// @notice Returns whether the implementation is locked forever
    function proxy__getIsOssified() external view returns (bool) {
        return _getAdmin() == address(0);
    }

    /// @notice Allows to transfer admin rights to zero address and prevent future
    ///     upgrades of the proxy
    function proxy__ossify() external onlyAdmin {
        address prevAdmin = _getAdmin();
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = address(0);
        emit AdminChanged(prevAdmin, address(0));
        emit ProxyOssified();
    }

    /// @notice Changes the admin of the proxy
    /// @param newAdmin_ Address of the new admin
    function proxy__changeAdmin(address newAdmin_) external onlyAdmin {
        _changeAdmin(newAdmin_);
    }

    /// @notice Upgrades the implementation of the proxy
    /// @param newImplementation_ Address of the new implementation
    function proxy__upgradeTo(address newImplementation_) external onlyAdmin {
        _upgradeTo(newImplementation_);
    }

    /// @notice Upgrades the proxy to a new implementation, optionally performing an additional
    ///     setup call.
    /// @param newImplementation_ Address of the new implementation
    /// @param setupCalldata_ Data for the setup call. The call is skipped if setupCalldata_ is
    ///     empty and forceCall_ is false
    /// @param forceCall_ Forces make delegate call to the implementation even with empty data_
    function proxy__upgradeToAndCall(
        address newImplementation_,
        bytes memory setupCalldata_,
        bool forceCall_
    ) external onlyAdmin {
        _upgradeToAndCall(newImplementation_, setupCalldata_, forceCall_);
    }

    /// @dev Validates that proxy is not ossified and that method is called by the admin
    ///     of the proxy
    modifier onlyAdmin() {
        address admin = _getAdmin();
        if (admin == address(0)) {
            revert ErrorProxyIsOssified();
        }
        if (admin != msg.sender) {
            revert ErrorNotAdmin();
        }
        _;
    }

    event ProxyOssified();

    error ErrorNotAdmin();
    error ErrorProxyIsOssified();
}

File 2 of 8 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 3 of 8 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

File 4 of 8 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)

pragma solidity ^0.8.0;

import "../Proxy.sol";
import "./ERC1967Upgrade.sol";

/**
 * @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
 * implementation address that can be changed. This address is stored in storage in the location specified by
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
 * implementation behind the proxy.
 */
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

File 5 of 8 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 6 of 8 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 7 of 8 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 8 of 8 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

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

Contract ABI

[{"inputs":[{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"address","name":"admin_","type":"address"},{"internalType":"bytes","name":"data_","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ErrorNotAdmin","type":"error"},{"inputs":[],"name":"ErrorProxyIsOssified","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[],"name":"ProxyOssified","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"newAdmin_","type":"address"}],"name":"proxy__changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"proxy__getAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxy__getImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxy__getIsOssified","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxy__ossify","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation_","type":"address"}],"name":"proxy__upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation_","type":"address"},{"internalType":"bytes","name":"setupCalldata_","type":"bytes"},{"internalType":"bool","name":"forceCall_","type":"bool"}],"name":"proxy__upgradeToAndCall","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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