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Transaction Hash
Method
Block
From
To
Transfer225081752025-05-18 6:44:23287 days ago1747550663IN
Origin: First Native Staking Fee Accumulator
0.02039613 ETH0.000010160.3916951
Transfer224997202025-05-17 2:15:35288 days ago1747448135IN
Origin: First Native Staking Fee Accumulator
0.03087231 ETH0.000049061.89153196
Transfer224686042025-05-12 17:12:59293 days ago1747069979IN
Origin: First Native Staking Fee Accumulator
0.16514658 ETH0.000245399.45981541
Transfer224638322025-05-12 1:05:23293 days ago1747011923IN
Origin: First Native Staking Fee Accumulator
0.0588698 ETH0.000039481.52209755
Transfer224543432025-05-10 17:02:23295 days ago1746896543IN
Origin: First Native Staking Fee Accumulator
0.28186326 ETH0.000093763.61446737
Transfer224323602025-05-07 14:31:35298 days ago1746628295IN
Origin: First Native Staking Fee Accumulator
0.01934657 ETH0.000058012.23639156
Transfer223965812025-05-02 14:01:23303 days ago1746194483IN
Origin: First Native Staking Fee Accumulator
0.01840552 ETH0.000022460.8661777
Transfer223866782025-05-01 4:39:35304 days ago1746074375IN
Origin: First Native Staking Fee Accumulator
0.01163802 ETH0.000009180.35399433
Transfer223769972025-04-29 20:07:59306 days ago1745957279IN
Origin: First Native Staking Fee Accumulator
0.02438067 ETH0.000012390.4776363
Transfer223644662025-04-28 2:05:47307 days ago1745805947IN
Origin: First Native Staking Fee Accumulator
0.01704986 ETH0.000009840.37962474
Transfer223381162025-04-24 9:56:35311 days ago1745488595IN
Origin: First Native Staking Fee Accumulator
0.02768431 ETH0.000012130.46777427
Transfer223341332025-04-23 20:35:59312 days ago1745440559IN
Origin: First Native Staking Fee Accumulator
0.01608134 ETH0.000015070.58105011
Transfer223106592025-04-20 13:58:11315 days ago1745157491IN
Origin: First Native Staking Fee Accumulator
0.01170524 ETH0.000009090.35071933
Transfer223061532025-04-19 22:51:59316 days ago1745103119IN
Origin: First Native Staking Fee Accumulator
0.01094138 ETH0.000008190.31587316
Transfer222949412025-04-18 9:18:11317 days ago1744967891IN
Origin: First Native Staking Fee Accumulator
0.13483429 ETH0.000010340.39864767
Transfer222830182025-04-16 17:21:59319 days ago1744824119IN
Origin: First Native Staking Fee Accumulator
1.24749502 ETH0.000010970.42311497
Transfer222574582025-04-13 3:47:47322 days ago1744516067IN
Origin: First Native Staking Fee Accumulator
0.02720648 ETH0.000009850.38000911
Transfer222412732025-04-10 21:39:59325 days ago1744321199IN
Origin: First Native Staking Fee Accumulator
0.02909572 ETH0.000016030.61797864
Transfer222337792025-04-09 20:36:23326 days ago1744230983IN
Origin: First Native Staking Fee Accumulator
0.11974889 ETH0.000062892.42439527
Transfer222108142025-04-06 15:38:23329 days ago1743953903IN
Origin: First Native Staking Fee Accumulator
0.01919685 ETH0.000012940.49906549
Transfer222089382025-04-06 9:20:23329 days ago1743931223IN
Origin: First Native Staking Fee Accumulator
0.01539784 ETH0.000012480.48109869
Transfer221989862025-04-04 23:57:23331 days ago1743811043IN
Origin: First Native Staking Fee Accumulator
0.01315575 ETH0.000013670.52727858
Transfer221963492025-04-04 15:07:59331 days ago1743779279IN
Origin: First Native Staking Fee Accumulator
0.10054064 ETH0.000042621.64319277
Transfer221943902025-04-04 8:34:11331 days ago1743755651IN
Origin: First Native Staking Fee Accumulator
0.03135162 ETH0.000011530.44463022
Transfer221903862025-04-03 19:10:59332 days ago1743707459IN
Origin: First Native Staking Fee Accumulator
0.02003235 ETH0.000016230.62592931
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Method Block
From
To
Transfer225743932025-05-27 13:23:47278 days ago1748352227
Origin: First Native Staking Fee Accumulator
0.05126845 ETH
Transfer224705132025-05-12 23:40:35293 days ago1747093235
Origin: First Native Staking Fee Accumulator
0.52522622 ETH
Transfer224279972025-05-06 23:40:35299 days ago1746574835
Origin: First Native Staking Fee Accumulator
0.07147408 ETH
Transfer223565612025-04-26 23:40:35309 days ago1745710835
Origin: First Native Staking Fee Accumulator
0.20124657 ETH
Transfer222848992025-04-16 23:40:35319 days ago1744846835
Origin: First Native Staking Fee Accumulator
1.42354612 ETH
Transfer222275292025-04-08 23:40:35327 days ago1744155635
Origin: First Native Staking Fee Accumulator
0.21170488 ETH
Transfer221630762025-03-30 23:40:35336 days ago1743378035
Origin: First Native Staking Fee Accumulator
0.13195693 ETH
Transfer220914232025-03-20 23:40:35346 days ago1742514035
Origin: First Native Staking Fee Accumulator
0.08573539 ETH
Transfer220269672025-03-11 23:40:35355 days ago1741736435
Origin: First Native Staking Fee Accumulator
0.28683798 ETH
Transfer219625382025-03-02 23:40:35364 days ago1740958835
Origin: First Native Staking Fee Accumulator
0.4909 ETH
Transfer218980592025-02-21 23:40:47373 days ago1740181247
Origin: First Native Staking Fee Accumulator
0.20969592 ETH
Transfer218337492025-02-12 23:40:35382 days ago1739403635
Origin: First Native Staking Fee Accumulator
0.03923372 ETH
Transfer218266232025-02-11 23:40:35383 days ago1739317235
Origin: First Native Staking Fee Accumulator
0.55156011 ETH
Transfer217550132025-02-01 23:40:35393 days ago1738453235
Origin: First Native Staking Fee Accumulator
0.52086659 ETH
Transfer217342412025-01-30 2:03:23395 days ago1738202603
Origin: First Native Staking Fee Accumulator
0.08297867 ETH
Transfer217263682025-01-28 23:40:35397 days ago1738107635
Origin: First Native Staking Fee Accumulator
0.55139539 ETH
Transfer217048692025-01-25 23:40:35400 days ago1737848435
Origin: First Native Staking Fee Accumulator
0.41202775 ETH
Transfer216977072025-01-24 23:40:35401 days ago1737762035
Origin: First Native Staking Fee Accumulator
0.62954315 ETH
Transfer216690512025-01-20 23:40:35405 days ago1737416435
Origin: First Native Staking Fee Accumulator
0.96147251 ETH
Transfer216332282025-01-15 23:40:35410 days ago1736984435
Origin: First Native Staking Fee Accumulator
0.1830719 ETH
Transfer216260642025-01-14 23:40:35411 days ago1736898035
Origin: First Native Staking Fee Accumulator
0.81091205 ETH
Transfer216117552025-01-12 23:40:35413 days ago1736725235
Origin: First Native Staking Fee Accumulator
0.67289397 ETH
Transfer215687672025-01-06 23:40:35419 days ago1736206835
Origin: First Native Staking Fee Accumulator
0.1478046 ETH
Transfer215472992025-01-03 23:40:35422 days ago1735947635
Origin: First Native Staking Fee Accumulator
0.53083494 ETH
Transfer215401352025-01-02 23:40:35423 days ago1735861235
Origin: First Native Staking Fee Accumulator
0.53793648 ETH
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Cross-Chain Transactions
Produced Blocks

 Latest 18 blocks produced

Block Transaction Difficulty Gas Used Reward
217951872025-02-07 14:20:11387 days ago17389380111130.00 TH10,916,862 (30.38%)
0.011573756234129146 ETH
216946542025-01-24 13:27:11401 days ago17377252311900.00 TH17,453,771 (58.12%)
0.127134088911273764 ETH
211292662024-11-06 14:40:47480 days ago17309040471720.00 TH9,246,282 (30.82%)
0.025635176585605679 ETH
210938292024-11-01 15:55:35485 days ago17304765351920.00 TH15,005,872 (50.02%)
0.032086182099392545 ETH
210720932024-10-29 15:09:35488 days ago1730214575910.00 TH7,657,954 (25.53%)
0.010791564525293048 ETH
210657112024-10-28 17:46:23489 days ago1730137583750.00 TH4,985,850 (16.62%)
0.005462558820646172 ETH
210309712024-10-23 21:26:23494 days ago1729718783710.00 TH6,331,960 (21.11%)
0.009775636532711635 ETH
210285252024-10-23 13:15:59494 days ago1729689359650.00 TH3,975,332 (13.25%)
0.004897415214253921 ETH
210245862024-10-23 0:05:35495 days ago1729641935690.00 TH4,856,239 (16.19%)
0.006585062693097312 ETH
210020722024-10-19 20:41:35498 days ago17293704951070.00 TH6,884,488 (22.95%)
0.006960429422173254 ETH
209999192024-10-19 13:29:35498 days ago1729344575900.00 TH6,553,323 (21.84%)
0.008949752005963422 ETH
209904912024-10-18 5:55:11499 days ago17292309111210.00 TH8,079,426 (26.93%)
0.017115146605737226 ETH
209896432024-10-18 3:04:35499 days ago17292206751460.00 TH12,338,168 (41.13%)
0.024897342012486058 ETH
209061952024-10-06 11:24:47511 days ago1728213887610.00 TH5,760,388 (19.20%)
0.010172609665769743 ETH
209006582024-10-05 16:53:59512 days ago17281472393280.00 TH28,255,605 (94.19%)
0.030876667733975063 ETH
208546482024-09-29 6:57:35518 days ago1727593055860.00 TH5,531,558 (18.44%)
0.004213905477023711 ETH
208393722024-09-27 3:48:47520 days ago17274089271690.00 TH16,341,250 (54.47%)
0.009170634841856981 ETH
208278202024-09-25 13:08:35522 days ago17272697151190.00 TH6,327,858 (21.09%)
0.009822320521937585 ETH

Validator Index Block Amount
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Contract Source Code Verified (Exact Match)

Contract Name:
NativeStakingFeeAccumulatorProxy

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { InitializeGovernedUpgradeabilityProxy } from "./InitializeGovernedUpgradeabilityProxy.sol";

/**
 * @notice OUSDProxy delegates calls to an OUSD implementation
 */
contract OUSDProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice WrappedOUSDProxy delegates calls to a WrappedOUSD implementation
 */
contract WrappedOUSDProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice VaultProxy delegates calls to a Vault implementation
 */
contract VaultProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice CompoundStrategyProxy delegates calls to a CompoundStrategy implementation
 */
contract CompoundStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice AaveStrategyProxy delegates calls to a AaveStrategy implementation
 */
contract AaveStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice ThreePoolStrategyProxy delegates calls to a ThreePoolStrategy implementation
 */
contract ThreePoolStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice ConvexStrategyProxy delegates calls to a ConvexStrategy implementation
 */
contract ConvexStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice HarvesterProxy delegates calls to a Harvester implementation
 */
contract HarvesterProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice DripperProxy delegates calls to a Dripper implementation
 */
contract DripperProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice MorphoCompoundStrategyProxy delegates calls to a MorphoCompoundStrategy implementation
 */
contract MorphoCompoundStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice ConvexOUSDMetaStrategyProxy delegates calls to a ConvexOUSDMetaStrategy implementation
 */
contract ConvexOUSDMetaStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice ConvexLUSDMetaStrategyProxy delegates calls to a ConvexalGeneralizedMetaStrategy implementation
 */
contract ConvexLUSDMetaStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice MorphoAaveStrategyProxy delegates calls to a MorphoCompoundStrategy implementation
 */
contract MorphoAaveStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHProxy delegates calls to nowhere for now
 */
contract OETHProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice WOETHProxy delegates calls to nowhere for now
 */
contract WOETHProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHVaultProxy delegates calls to a Vault implementation
 */
contract OETHVaultProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHDripperProxy delegates calls to a OETHDripper implementation
 */
contract OETHDripperProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHHarvesterProxy delegates calls to a Harvester implementation
 */
contract OETHHarvesterProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice FraxETHStrategyProxy delegates calls to a FraxETHStrategy implementation
 */
contract FraxETHStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice CurveEthStrategyProxy delegates calls to a CurveEthStrategy implementation
 */
contract ConvexEthMetaStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice BuybackProxy delegates calls to Buyback implementation
 */
contract BuybackProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHMorphoAaveStrategyProxy delegates calls to a MorphoAaveStrategy implementation
 */
contract OETHMorphoAaveStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHBalancerMetaPoolrEthStrategyProxy delegates calls to a BalancerMetaPoolStrategy implementation
 */
contract OETHBalancerMetaPoolrEthStrategyProxy is
    InitializeGovernedUpgradeabilityProxy
{

}

/**
 * @notice OETHBalancerMetaPoolwstEthStrategyProxy delegates calls to a BalancerMetaPoolStrategy implementation
 */
contract OETHBalancerMetaPoolwstEthStrategyProxy is
    InitializeGovernedUpgradeabilityProxy
{

}

/**
 * @notice FluxStrategyProxy delegates calls to a CompoundStrategy implementation
 */
contract FluxStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice MakerDsrStrategyProxy delegates calls to a Generalized4626Strategy implementation
 */
contract MakerDsrStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice FrxEthRedeemStrategyProxy delegates calls to a FrxEthRedeemStrategy implementation
 */
contract FrxEthRedeemStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice OETHBuybackProxy delegates calls to Buyback implementation
 */
contract OETHBuybackProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice BridgedWOETHProxy delegates calls to BridgedWOETH implementation
 */
contract BridgedWOETHProxy is InitializeGovernedUpgradeabilityProxy {

}

/**
 * @notice NativeStakingSSVStrategyProxy delegates calls to NativeStakingSSVStrategy implementation
 */
contract NativeStakingSSVStrategyProxy is
    InitializeGovernedUpgradeabilityProxy
{

}

/**
 * @notice NativeStakingFeeAccumulatorProxy delegates calls to NativeStakingFeeCollector implementation
 */
contract NativeStakingFeeAccumulatorProxy is
    InitializeGovernedUpgradeabilityProxy
{

}

/**
 * @notice LidoWithdrawalStrategyProxy delegates calls to a LidoWithdrawalStrategy implementation
 */
contract LidoWithdrawalStrategyProxy is InitializeGovernedUpgradeabilityProxy {

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @title Base for contracts that are managed by the Origin Protocol's Governor.
 * @dev Copy of the openzeppelin Ownable.sol contract with nomenclature change
 *      from owner to governor and renounce methods removed. Does not use
 *      Context.sol like Ownable.sol does for simplification.
 * @author Origin Protocol Inc
 */
contract Governable {
    // Storage position of the owner and pendingOwner of the contract
    // keccak256("OUSD.governor");
    bytes32 private constant governorPosition =
        0x7bea13895fa79d2831e0a9e28edede30099005a50d652d8957cf8a607ee6ca4a;

    // keccak256("OUSD.pending.governor");
    bytes32 private constant pendingGovernorPosition =
        0x44c4d30b2eaad5130ad70c3ba6972730566f3e6359ab83e800d905c61b1c51db;

    // keccak256("OUSD.reentry.status");
    bytes32 private constant reentryStatusPosition =
        0x53bf423e48ed90e97d02ab0ebab13b2a235a6bfbe9c321847d5c175333ac4535;

    // See OpenZeppelin ReentrancyGuard implementation
    uint256 constant _NOT_ENTERED = 1;
    uint256 constant _ENTERED = 2;

    event PendingGovernorshipTransfer(
        address indexed previousGovernor,
        address indexed newGovernor
    );

    event GovernorshipTransferred(
        address indexed previousGovernor,
        address indexed newGovernor
    );

    /**
     * @dev Initializes the contract setting the deployer as the initial Governor.
     */
    constructor() {
        _setGovernor(msg.sender);
        emit GovernorshipTransferred(address(0), _governor());
    }

    /**
     * @notice Returns the address of the current Governor.
     */
    function governor() public view returns (address) {
        return _governor();
    }

    /**
     * @dev Returns the address of the current Governor.
     */
    function _governor() internal view returns (address governorOut) {
        bytes32 position = governorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            governorOut := sload(position)
        }
    }

    /**
     * @dev Returns the address of the pending Governor.
     */
    function _pendingGovernor()
        internal
        view
        returns (address pendingGovernor)
    {
        bytes32 position = pendingGovernorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            pendingGovernor := sload(position)
        }
    }

    /**
     * @dev Throws if called by any account other than the Governor.
     */
    modifier onlyGovernor() {
        require(isGovernor(), "Caller is not the Governor");
        _;
    }

    /**
     * @notice Returns true if the caller is the current Governor.
     */
    function isGovernor() public view returns (bool) {
        return msg.sender == _governor();
    }

    function _setGovernor(address newGovernor) internal {
        bytes32 position = governorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, newGovernor)
        }
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        bytes32 position = reentryStatusPosition;
        uint256 _reentry_status;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            _reentry_status := sload(position)
        }

        // On the first call to nonReentrant, _notEntered will be true
        require(_reentry_status != _ENTERED, "Reentrant call");

        // Any calls to nonReentrant after this point will fail
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, _ENTERED)
        }

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, _NOT_ENTERED)
        }
    }

    function _setPendingGovernor(address newGovernor) internal {
        bytes32 position = pendingGovernorPosition;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            sstore(position, newGovernor)
        }
    }

    /**
     * @notice Transfers Governance of the contract to a new account (`newGovernor`).
     * Can only be called by the current Governor. Must be claimed for this to complete
     * @param _newGovernor Address of the new Governor
     */
    function transferGovernance(address _newGovernor) external onlyGovernor {
        _setPendingGovernor(_newGovernor);
        emit PendingGovernorshipTransfer(_governor(), _newGovernor);
    }

    /**
     * @notice Claim Governance of the contract to a new account (`newGovernor`).
     * Can only be called by the new Governor.
     */
    function claimGovernance() external {
        require(
            msg.sender == _pendingGovernor(),
            "Only the pending Governor can complete the claim"
        );
        _changeGovernor(msg.sender);
    }

    /**
     * @dev Change Governance of the contract to a new account (`newGovernor`).
     * @param _newGovernor Address of the new Governor
     */
    function _changeGovernor(address _newGovernor) internal {
        require(_newGovernor != address(0), "New Governor is address(0)");
        emit GovernorshipTransferred(_governor(), _newGovernor);
        _setGovernor(_newGovernor);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import { Address } from "@openzeppelin/contracts/utils/Address.sol";

import { Governable } from "../governance/Governable.sol";

/**
 * @title BaseGovernedUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with our governor system.
 * It is based on an older version of OpenZeppelins BaseUpgradeabilityProxy
 * with Solidity ^0.8.0.
 * @author Origin Protocol Inc
 */
contract InitializeGovernedUpgradeabilityProxy is Governable {
    /**
     * @dev Emitted when the implementation is upgraded.
     * @param implementation Address of the new implementation.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Contract initializer with Governor enforcement
     * @param _logic Address of the initial implementation.
     * @param _initGovernor Address of the initial Governor.
     * @param _data Data to send as msg.data to the implementation to initialize
     * the proxied contract.
     * It should include the signature and the parameters of the function to be
     * called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     * This parameter is optional, if no data is given the initialization call
     * to proxied contract will be skipped.
     */
    function initialize(
        address _logic,
        address _initGovernor,
        bytes calldata _data
    ) public payable onlyGovernor {
        require(_implementation() == address(0));
        require(_logic != address(0), "Implementation not set");
        assert(
            IMPLEMENTATION_SLOT ==
                bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1)
        );
        _setImplementation(_logic);
        if (_data.length > 0) {
            (bool success, ) = _logic.delegatecall(_data);
            require(success);
        }
        _changeGovernor(_initGovernor);
    }

    /**
     * @return The address of the proxy admin/it's also the governor.
     */
    function admin() external view returns (address) {
        return _governor();
    }

    /**
     * @return The address of the implementation.
     */
    function implementation() external view returns (address) {
        return _implementation();
    }

    /**
     * @dev Upgrade the backing implementation of the proxy.
     * Only the admin can call this function.
     * @param newImplementation Address of the new implementation.
     */
    function upgradeTo(address newImplementation) external onlyGovernor {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy and call a function
     * on the new implementation.
     * This is useful to initialize the proxied contract.
     * @param newImplementation Address of the new implementation.
     * @param data Data to send as msg.data in the low level call.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data)
        external
        payable
        onlyGovernor
    {
        _upgradeTo(newImplementation);
        (bool success, ) = newImplementation.delegatecall(data);
        require(success);
    }

    /**
     * @dev Fallback function.
     * Implemented entirely in `_fallback`.
     */
    fallback() external payable {
        _fallback();
    }

    /**
     * @dev Delegates execution to an implementation contract.
     * This is a low level function that doesn't return to its internal call site.
     * It will return to the external caller whatever the implementation returns.
     * @param _impl Address to delegate.
     */
    function _delegate(address _impl) internal {
        // solhint-disable-next-line no-inline-assembly
        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(), _impl, 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 Function that is run as the first thing in the fallback function.
     * Can be redefined in derived contracts to add functionality.
     * Redefinitions must call super._willFallback().
     */
    function _willFallback() internal {}

    /**
     * @dev fallback implementation.
     * Extracted to enable manual triggering.
     */
    function _fallback() internal {
        _willFallback();
        _delegate(_implementation());
    }

    /**
     * @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 Returns the current implementation.
     * @return impl Address of the current implementation
     */
    function _implementation() internal view returns (address impl) {
        bytes32 slot = IMPLEMENTATION_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     * @param newImplementation Address of the new implementation.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Sets the implementation address of the proxy.
     * @param newImplementation Address of the new implementation.
     */
    function _setImplementation(address newImplementation) internal {
        require(
            Address.isContract(newImplementation),
            "Cannot set a proxy implementation to a non-contract address"
        );

        bytes32 slot = IMPLEMENTATION_SLOT;

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

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousGovernor","type":"address"},{"indexed":true,"internalType":"address","name":"newGovernor","type":"address"}],"name":"GovernorshipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousGovernor","type":"address"},{"indexed":true,"internalType":"address","name":"newGovernor","type":"address"}],"name":"PendingGovernorshipTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"governor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_initGovernor","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"isGovernor","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newGovernor","type":"address"}],"name":"transferGovernance","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"}]

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Deployed Bytecode

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.