Contract 0x7571cc9895d8e997853b1e0a1521ebd8481aa186 13

 
Txn Hash Method
Block
From
To
Value
0x8ab059fb68460d4271550102c8486756c650ed4350e45cf984dc3626d02d171bWithdraw1094338732023-09-11 21:08:4316 days 16 hrs ago0x9b1ca96d28f61f7af0df7f7980f0961b2f0f545f IN  Rubicon: bathWBTC Token0 ETH0.0000299313220.0070273
0xb9fef921b927bbc796c950df9db49af797391e31fd21485ffe1745c9fbeacfdfWithdraw1082396372023-08-15 5:40:5144 days 8 hrs ago0x7e308573643db0139faea81d7fcd8edb2723b7fd IN  Rubicon: bathWBTC Token0 ETH0.000041111050.108825747
0x27210e3969228aad81d13a4b2abefded2dde46be859e34c80f5648ab2e22f8c2Get All Bonus To...1082396222023-08-15 5:40:2144 days 8 hrs ago0x7e308573643db0139faea81d7fcd8edb2723b7fd IN  Rubicon: bathWBTC Token0 ETH0.0000406589130.106210858
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc8Withdraw1068777902023-07-14 17:05:5775 days 20 hrs ago0xc15a3ac3ad94fd373fa9290951d80138f5513ac2 IN  Rubicon: bathWBTC Token0 ETH0.0000643072690.031542243
0x299d67d7e62950dbb82b20943b50e7de6118511885cff8bb1d9af4c09a2c1831Withdraw1066515712023-07-09 11:25:1981 days 2 hrs ago0x05cecd302c101bc424d953eb24534c1b576c519a IN  Rubicon: bathWBTC Token0 ETH0.0000191429160.000000089
0x9c3b7a78bd04adc0c5b6164e94f21b09fbc57dc45c4757931f99dd0f15078a4cWithdraw1063033302023-07-01 9:57:1789 days 3 hrs ago0x5e47cc4c2413c9825d6062ce9e61741d271a8fd8 IN  Rubicon: bathWBTC Token0 ETH0.0000228942090.000000076
0x15d68b422b62974c34a8ed8d785a4cf22c833ecda21d5ac12c6396f90ca0db10Get All Bonus To...1063033232023-07-01 9:57:0389 days 3 hrs ago0x5e47cc4c2413c9825d6062ce9e61741d271a8fd8 IN  Rubicon: bathWBTC Token0 ETH0.0000219360630.000000077
0xc53320ec0dcc7b15e8e80f5c8b6a0f2c4171d5dc5f523821b7af238af9346449Withdraw1063032612023-07-01 9:54:5989 days 3 hrs ago0x1d3eb49f3e963f87b4f139902e1626d50b8672a0 IN  Rubicon: bathWBTC Token0 ETH0.0000236731470.000000083
0xdd319e52019d418f42f99e6f30e28b610189f3ccdd989656b7a617ef007fbad4Get All Bonus To...1063032552023-07-01 9:54:4789 days 3 hrs ago0x1d3eb49f3e963f87b4f139902e1626d50b8672a0 IN  Rubicon: bathWBTC Token0 ETH0.0000205039320.000000083
0x51fc0d491c98546c7cc990b3811f07e479c991330def5c112176976c1d04f958Withdraw1063031832023-07-01 9:52:2389 days 3 hrs ago0xefebecf6bb99f909c0882976a43671d6207b0cd5 IN  Rubicon: bathWBTC Token0 ETH0.0000194413860.000000078
0xbfbbd2a653845abbed70ed448ca4874b855f501c281be258a8c2b06660f1edf2Get All Bonus To...1063031752023-07-01 9:52:0789 days 3 hrs ago0xefebecf6bb99f909c0882976a43671d6207b0cd5 IN  Rubicon: bathWBTC Token0 ETH0.0000191209030.000000079
0x43a8392858c9ecaec9f1c62622b2debaea8d38531479156e186472c62e3b0110Withdraw1061893412023-06-28 18:37:3991 days 19 hrs ago0x24cbdb4728c3ca66b827424ebe78a32ddeaceb8f IN  Rubicon: bathWBTC Token0 ETH0.0000218959150.000004453
0x1db0c1cf5f9a3e5411f69a20f8a7e455e7b651af120cb09391c6b2c65a3979d7Withdraw1061815842023-06-28 14:19:0591 days 23 hrs ago0x9ea7693fd34ab3590f763c0342720930bcd20d8c IN  Rubicon: bathWBTC Token0 ETH0.000025940330.000005376
0x83b636a5ad2ed7bc78bc39e5a9db46626d69663c7ca91651cfa33272728b1fadGet All Bonus To...1061815842023-06-28 14:19:0591 days 23 hrs ago0x9ea7693fd34ab3590f763c0342720930bcd20d8c IN  Rubicon: bathWBTC Token0 ETH0.0000239108030.000005376
0x7106c0b2d2c960be9a81e019db3940af3fe736215d0c4a527d007ce1b27831d1Withdraw1057504952023-06-18 14:49:27101 days 22 hrs ago0x43930ff04d18a5b59805151c1eb403c55870641e IN  Rubicon: bathWBTC Token0 ETH0.0000215732220.000000075
0xdebfbd36987f322b9337f03deef099e3175a189405b80a39b9ef0e1d3b77cdeaGet All Bonus To...1057504892023-06-18 14:49:15101 days 22 hrs ago0x43930ff04d18a5b59805151c1eb403c55870641e IN  Rubicon: bathWBTC Token0 ETH0.0000197122050.000000077
0xfe5baae8262428e1802f63bc58899d7e88bb080341930b1b60554e6645acb295Withdraw1028590082023-05-30 9:29:21121 days 4 hrs ago0xfaad3a389aa6eb415d63990de6a2a464dba957aa IN  Rubicon: bathWBTC Token0 ETH0.0001759448560.001
0x7b7b21a77fe291e0658c40f709f58c3033eaabeb0e161c0b25f5e2319558cb3cWithdraw965566372023-05-05 18:56:13145 days 18 hrs ago0x0b8eb3401967f9876250ce82ba055d4691767246 IN  Rubicon: bathWBTC Token0 ETH0.0007670629510.001005971
0xff5a9d5ea89bc4d4e840b95ab979235d0ab03289173ec76bfad54cbe15a07065Withdraw965052632023-05-05 11:46:57146 days 1 hr ago0xaed8810b3f7367d63a6d6fd86dfb1878552d9d07 IN  Rubicon: bathWBTC Token0 ETH0.0005338114950.001
0x6b5730989fe8d6281d5bc6a92c013a5ac66eee44c76cf39cc841821c55a62c9dWithdraw926145892023-04-20 16:47:15160 days 20 hrs ago0xfadfa867d3f598372aab943031eecd45bcec670f IN  Rubicon: bathWBTC Token0 ETH0.0003212082070.001
0xae8e2de504763734c05a8411a6d17d406a59596c44e4fa18fe084c14e304bddeWithdraw900757942023-04-14 1:29:11167 days 12 hrs ago0xbcd4a68b24cb13099345c4770ac93b41a5220354 IN  Rubicon: bathWBTC Token0 ETH0.0001038690420.001
0x63247df73d577edbc079a59a47c51ac2fbc365097a9ad1732b555a3be738a399Withdraw893719702023-04-12 8:26:26169 days 5 hrs ago0x1706f86e1798e341944746fe336d63b60e1d0ccb IN  Rubicon: bathWBTC Token0 ETH0.0000896364210.001
0x6a35dde595f5ef2a7d8681682ac285c7b853b0688a29c306c91343efec86cd1bWithdraw884633312023-04-10 7:58:06171 days 5 hrs ago0x6ec8b8cec5645066fda40c6c6d6c3b749a565755 IN  Rubicon: bathWBTC Token0 ETH0.0000940039450.001
0x0d1bf93788677cda13d82c056ecc5322b304ccf42905bbc133a9e110ae3aabb4Get All Bonus To...884632652023-04-10 7:57:51171 days 5 hrs ago0x6ec8b8cec5645066fda40c6c6d6c3b749a565755 IN  Rubicon: bathWBTC Token0 ETH0.0000900589850.001
0x83dfddb52182eecc187b85f10f715178c20f962dfa9cb53db6c8871f1bf672daWithdraw848247542023-03-30 10:32:33182 days 3 hrs ago0xfa98f34a3bb03d59b3db2da2ce2175ffd0c95906 IN  Rubicon: bathWBTC Token0 ETH0.0001055938180.001
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0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token Wrapped BTC: WBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token Wrapped BTC: WBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token Wrapped BTC: WBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd Rubicon: bathWBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0x30f5fe161da1cb92ac09e10b734de07d5c120fdd0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token Wrapped BTC: WBTC Token0 ETH
0x01efa050f4a8f42c5f323e2c402f006a869e965f7931c0ccc5b68b9dfe839dc81068777902023-07-14 17:05:5775 days 20 hrs ago Rubicon: bathWBTC Token 0xf12734d297232c566e1db790f5a1237132a688770 ETH
0x299d67d7e62950dbb82b20943b50e7de6118511885cff8bb1d9af4c09a2c18311066515712023-07-09 11:25:1981 days 2 hrs ago Rubicon: bathWBTC Token Wrapped BTC: WBTC Token0 ETH
0x299d67d7e62950dbb82b20943b50e7de6118511885cff8bb1d9af4c09a2c18311066515712023-07-09 11:25:1981 days 2 hrs ago Rubicon: bathWBTC Token Wrapped BTC: WBTC Token0 ETH
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Similar Match Source Code
This contract matches the deployed ByteCode of the Source Code for Contract 0x2F536756636ABf29e860717a10867860802AECe7
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 1 runs

Other Settings:
default evmVersion, GNU GPLv3 license
/**
 *Submitted for verification at Optimistic.Etherscan.io on 2021-11-23
*/

pragma solidity >=0.6.0 <0.8.0;


// SPDX-License-Identifier: MIT
/**
 * @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 OVMProxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        // solhint-disable-next-line no-inline-assembly
        (bool success, bytes memory returndata) = implementation.delegatecall(
            msg.data
        );

        if (success) {
            assembly {
                return(add(returndata, 0x20), mload(returndata))
            }
        } else {
            assembly {
                revert(add(returndata, 0x20), mload(returndata))
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overriden 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 internall 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 overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

/**
 * @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;
        // solhint-disable-next-line no-inline-assembly
        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"
        );

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) private 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

/**
 * @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.
 *
 * Upgradeability is only provided internally through {_upgradeTo}. For an externally upgradeable proxy see
 * {TransparentUpgradeableProxy}.
 */
contract UpgradeableProxy is OVMProxy {
    /**
     * @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)
        );
        _setImplementation(_logic);
        if (_data.length > 0) {
            Address.functionDelegateCall(_logic, _data);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed 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 private constant _IMPLEMENTATION_SLOT =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation()
        internal
        view
        virtual
        override
        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.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal virtual {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(
            Address.isContract(newImplementation),
            "UpgradeableProxy: new implementation is not a contract"
        );

        bytes32 slot = _IMPLEMENTATION_SLOT;

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

/**
 * @dev This contract implements a proxy that is upgradeable by an admin.
 *
 * To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
 * clashing], which can potentially be used in an attack, this contract uses the
 * https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
 * things that go hand in hand:
 *
 * 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
 * that call matches one of the admin functions exposed by the proxy itself.
 * 2. If the admin calls the proxy, it can access the admin functions, but its calls will never be forwarded to the
 * implementation. If the admin tries to call a function on the implementation it will fail with an error that says
 * "admin cannot fallback to proxy target".
 *
 * These properties mean that the admin account can only be used for admin actions like upgrading the proxy or changing
 * the admin, so it's best if it's a dedicated account that is not used for anything else. This will avoid headaches due
 * to sudden errors when trying to call a function from the proxy implementation.
 *
 * Our recommendation is for the dedicated account to be an instance of the {ProxyAdmin} contract. If set up this way,
 * you should think of the `ProxyAdmin` instance as the real administrative interface of your proxy.
 */
contract TransparentUpgradeableProxy is UpgradeableProxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {UpgradeableProxy-constructor}.
     */
    constructor(
        address _logic,
        address admin_,
        bytes memory _data
    ) payable UpgradeableProxy(_logic, _data) {
        assert(
            _ADMIN_SLOT ==
                bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1)
        );
        _setAdmin(admin_);
    }

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

    /**
     * @dev Emitted when the admin calls implementation()
     */
    event Implementation(address currentImplementation);

    /**
     * @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 private constant _ADMIN_SLOT =
        0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier used internally that will delegate the call to the implementation unless the sender is the admin.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @dev Returns the current admin.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyAdmin}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    function admin() external ifAdmin returns (address admin_) {
        admin_ = _admin();
    }

    /**
     * @dev Returns the current implementation.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-getProxyImplementation}.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using the
     * https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
     */
    function implementation()
        external
        ifAdmin
        returns (address implementation_)
    {
        implementation_ = _implementation();
        emit Implementation(implementation_);
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-changeProxyAdmin}.
     */
    function changeAdmin(address newAdmin) external virtual ifAdmin {
        require(
            newAdmin != address(0),
            "TransparentUpgradeableProxy: new admin is the zero address"
        );
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the implementation of the proxy.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgrade}.
     */
    function upgradeTo(address newImplementation) external virtual ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the implementation of the proxy, and then call a function from the new implementation as specified
     * by `data`, which should be an encoded function call. This is useful to initialize new storage variables in the
     * proxied contract.
     *
     * NOTE: Only the admin can call this function. See {ProxyAdmin-upgradeAndCall}.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data)
        external
        payable
        virtual
        ifAdmin
    {
        _upgradeTo(newImplementation);
        Address.functionDelegateCall(newImplementation, data);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address adm) {
        bytes32 slot = _ADMIN_SLOT;
        // solhint-disable-next-line no-inline-assembly
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        bytes32 slot = _ADMIN_SLOT;

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

    /**
     * @dev Makes sure the admin cannot access the fallback function. See {Proxy-_beforeFallback}.
     */
    function _beforeFallback() internal virtual override {
        require(
            msg.sender != _admin(),
            "TransparentUpgradeableProxy: admin cannot fallback to proxy target"
        );
        super._beforeFallback();
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"admin_","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"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":false,"internalType":"address","name":"currentImplementation","type":"address"}],"name":"Implementation","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":"admin_","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"implementation_","type":"address"}],"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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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://c956bcbbc04ec373182530ed2d1b401083114462fb7c5aa0f6042a46022b8150
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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