Contract 0x43de2d77bf8027e25dbd179b491e8d64f38398aa 13

Bridge 
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x7a09b91aa1f94b64dc6788d838557f1bc50ada97e24900c33add56e184d0ef61Claim281184422022-10-03 7:03:1849 mins ago0x021bba62e5577e6ba0cffa0050452867c3ca0e7e IN  deBridgeGate0 ETH0.00008705
0x562682591b27443e7b75ca6b03ed45e2a6bdbaceb62e7f3887f5473758895c13Claim279251042022-10-02 7:17:061 day 36 mins ago0xeca35c5332cc4ea6feb295152928c80ea7d56b97 IN  deBridgeGate0 ETH0.00003235
0xe72f6e73d9c7f375abb52a2455ca6cd47337c521040654f0fface6efc5ad8dccSend279166092022-10-02 6:30:091 day 1 hr ago0x91ec22c0c23c860f5513f6cd3289197c5740a5b5 IN  deBridgeGate0.001021 ETH0.00002017
0xa3fc860a3e1820b7797c717304126fbfbc34baa942f34add6bb8b498b227c65fClaim277768122022-10-01 12:32:401 day 19 hrs ago0xea15d58af42eb6cdc9d6840aa317257999ee3fd0 IN  deBridgeGate0 ETH0.00006652
0x14330a9021e6debafc0af5fb8f5fe16578b498fc6b87db60ef285417a0f7f051Claim273978592022-09-29 10:45:473 days 21 hrs ago0x4f49c34759b7e888ce77de9dd34fec63d63495cc IN  deBridgeGate0 ETH0.00009361
0x5e1ca0c5b3c94d0affa25247cccff417ad00343b0d2873655bc5dab85ce51bbcSend266809182022-09-26 0:15:257 days 7 hrs ago0xd39ec0556b27bea894718c981470a15724278585 IN  deBridgeGate0.001 ETH0.00010784
0x9f96e78ee88a112cf15202835cb5c4232f32c613b1c3be8cd444df2e6424786aSend266608022022-09-25 21:06:257 days 10 hrs ago0x886cf30e5f7c6f69ef1be1173a53a6dd04e76966 IN  deBridgeGate0.002 ETH0.00003461
0xf6cdffb9038c73e69ec4be09527a0ffead7e9ef16431888fb1643e9ed5ef05adSend266589752022-09-25 20:49:477 days 11 hrs ago0xc6458b8603f5e0afc80c35c4b42f2d15437dc5c5 IN  deBridgeGate0.001 ETH0.00003604
0x91d2f6713300f7b54770ac3c75b536e9bc62a3679c0aacc212ec78a9e3cf25cbSend266535882022-09-25 20:01:007 days 11 hrs ago0x63ebc5fde3588cb9c72375f16867cd6c748c4390 IN  deBridgeGate0.001021 ETH0.00003168
0xcae92299ae573727704e6a28fa79c3c8bc771175538d6493e81d3c410ce16446Claim266437532022-09-25 18:36:587 days 13 hrs ago0xcef751d917c37dd9b37ba15c1ef8a76e27a2d952 IN  deBridgeGate0 ETH0.00011786
0x73b5211ae23d12d4a7abfbfa49778114c53b07c68d60d17da0e10d2e0f5f5b48Claim266433622022-09-25 18:32:497 days 13 hrs ago0x6c31eb825b69185dddbe101a241d2f771329a440 IN  deBridgeGate0 ETH0.00027582
0xf7638ce964628ad8de5bd62343d7f0271c54f39e61686980b3b6cb7de5000192Claim265998402022-09-25 14:08:077 days 17 hrs ago0x951444f56ef94fec42e8cdbedef1a4dc1d1ea63b IN  deBridgeGate0 ETH0.00009504
0x5614c64f889e19dc48d44874eb25e6d389a141206b06b3d3d3abc22edf443d9aClaim265956612022-09-25 13:50:037 days 18 hrs ago0x951444f56ef94fec42e8cdbedef1a4dc1d1ea63b IN  deBridgeGate0 ETH0.00009369
0x7f74e09932fec592fc376d09a065bdc51de2fbdbbb428aff977a9e699665daeaClaim265425412022-09-25 8:43:497 days 23 hrs ago0x951444f56ef94fec42e8cdbedef1a4dc1d1ea63b IN  deBridgeGate0 ETH0.00008571
0xafcf406909e3d41effcaf3a52a281ee3cf76505b9102ff0804ca9007ecae6d99Claim260977182022-09-23 4:24:4210 days 3 hrs ago0xda56c728b2d8e64d85b6a58a1d05aa7897a95ad1 IN  deBridgeGate0 ETH0.00008318
0xedb324815950b542c1461cc40a9b2cf731e7819083d819e52c77f00067d7d4c2Claim260099022022-09-22 17:16:4510 days 14 hrs ago0xf90a01af91468f5418cda5ed6b19c51550eb5352 IN  deBridgeGate0 ETH0.00043132
0x4a424ff52da08ff01c8b65bd250c936f43760cb03ed7135b85776ec9cc8b171fClaim257604102022-09-21 18:50:1611 days 13 hrs ago0x7533e4f6110e12b685801352049fb3e5222d1cc8 IN  deBridgeGate0 ETH0.0011403
0x261158ea8e31ed5c71676e8b8169d1fc0811bcb41cb744e4dfa49bc05ecf144aSend257149842022-09-21 14:31:1511 days 17 hrs ago0x7de7b1ef2e9bef0e1c91766b2bd47b2f35bc6111 IN  deBridgeGate0.001 ETH0.0000366
0xd7204302a6a5b03fa164180c2ed616b5a4ef680fd157eae46727df4b948bfa27Claim257096332022-09-21 13:58:1411 days 17 hrs ago0x959b418fea4bfbd5ccbe282eb36b0ed837c3c476 IN  deBridgeGate0 ETH0.00007039
0x4751a568b15501beda3e91d66c0f0e8dc981995d0f3619d8588e576b837bb446Send255562902022-09-20 19:21:1112 days 12 hrs ago0xfcba85877f8c8deddbb225935af7eea50d84da90 IN  deBridgeGate0.001 ETH0.00004886
0x2f7e9d7980cb6ce08481c5e2a0b2729ca10d45bf5fb6ac2673da6c2ae3a526dcSend254635842022-09-20 11:48:4512 days 20 hrs ago0xfcba85877f8c8deddbb225935af7eea50d84da90 IN  deBridgeGate0.001 ETH0.00002076
0x8c055594f268d44adac227dea4f9699f0d20075eda765db99be8f463229aacf5Send254540382022-09-20 11:01:3412 days 20 hrs ago0x3ba3988c44c7443c9f51092dc72e047360cbc5de IN  deBridgeGate0.00102 ETH0.00001871
0xda032415d41cc89e16de702179f0e4933a8ee25c9d2daa7881ccc465ed4c4adeClaim252554072022-09-19 9:42:5213 days 22 hrs ago0xc5e757f93225335b2629a5bfc65c62322c1c91d6 IN  deBridgeGate0 ETH0.00012669
0x595d5f53c61e22708b5fb7f68d744e9c6927ae29c4f8a832fc6b46eaf2a886c9Send252151912022-09-19 4:12:2514 days 3 hrs ago0xfe63b83616a322dfca7a55aff7f094fcc9132738 IN  deBridgeGate0.00102 ETH0.00002522
0x24c2eebf166d78b942759f580fdc900848bf5490e7f2008f1719097b10e2f879Claim252030252022-09-19 2:25:0414 days 5 hrs ago0x0523f42f6c2a172c776ebad39d267d4e84e64b24 IN  deBridgeGate0 ETH0.00020197
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0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago deBridgeGate 0x8a0c79f5532f3b2a16ad1e4282a5daf81928a8240 ETH
0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago deBridgeGate 0x949b3b3c098348b879c9e4f15cecc8046d9c8a8c0 ETH
0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago deBridgeGate0x24455aa55ded7728783c9474be8ea2f5c935f8eb0 ETH
0xc5b6ae59fcfc4cc8392bd038473c520c050ca62ccbe514ca68bd5e7eac40be6b281189392022-10-03 7:06:3546 mins ago 0x6d7a3177f3500bea64914642a49d0b5c0a7dae6d deBridgeGate0 ETH
0x7a09b91aa1f94b64dc6788d838557f1bc50ada97e24900c33add56e184d0ef61281184422022-10-03 7:03:1849 mins ago deBridgeGate0x24455aa55ded7728783c9474be8ea2f5c935f8eb0 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago deBridgeGate 0x8a0c79f5532f3b2a16ad1e4282a5daf81928a8240 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago deBridgeGate 0x949b3b3c098348b879c9e4f15cecc8046d9c8a8c0 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago deBridgeGate0x24455aa55ded7728783c9474be8ea2f5c935f8eb0 ETH
0x53c6c5416e4a0c42eaf3bcc0303e3e6e71c8c10228cdf905dc6f9f112ad21424281184342022-10-03 7:03:1549 mins ago 0x6d7a3177f3500bea64914642a49d0b5c0a7dae6d deBridgeGate0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x1ddcaa4ed761428ae348befc6718bcb12e63bfaa0 ETH
0x44cb0a149fd9d5bb4793a606d90cb34472ec4fbc4ac14d0c8656c6c653deec7c281171902022-10-03 6:54:4758 mins ago deBridgeGate0x24455aa55ded7728783c9474be8ea2f5c935f8eb0 ETH
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x3393cD223f59F32CC0cC845DE938472595cA48a1

Contract Name:
TransparentUpgradeableProxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Arbiscan on 2021-08-30
*/

// SPDX-License-Identifier: MIT

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
        }
    }
}

/**
 * @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 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);
}

/**
 * @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 {
        _setImplementation(newImplementation);
        emit Upgraded(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 _upgradeToAndCallSecure(address newImplementation, bytes memory data, bool forceCall) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature(
                    "upgradeTo(address)",
                    oldImplementation
                )
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _setImplementation(newImplementation);
            emit Upgraded(newImplementation);
        }
    }

    /**
     * @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);
        }
    }

    /**
     * @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 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 internall call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        // 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(), 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 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 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();
    }
}

/**
 * @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 ERC1967Proxy {
    /**
     * @dev Initializes an upgradeable proxy managed by `_admin`, backed by the implementation at `_logic`, and
     * optionally initialized with `_data` as explained in {ERC1967Proxy-constructor}.
     */
    constructor(address _logic, address admin_, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
        assert(_ADMIN_SLOT == bytes32(uint256(keccak256("eip1967.proxy.admin")) - 1));
        _changeAdmin(admin_);
    }

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

    /**
     * @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();
    }

    /**
     * @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 {
        _changeAdmin(newAdmin);
    }

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

    /**
     * @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 ifAdmin {
        _upgradeToAndCall(newImplementation, data, true);
    }

    /**
     * @dev Returns the current admin.
     */
    function _admin() internal view virtual returns (address) {
        return _getAdmin();
    }

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

Contract ABI

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Metadata Hash

93f028255035b61df476b13b9dba3c4f06f60e51b9b4caee31680b389aef327f
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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