Contract 0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b174

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0x27198c7bc9aa320795b4042a0e56e7c3ae4ebb03313e0f917c17b0873cd85f51Withdraw Token B...17068752022-08-22 14:45:48163 days 16 hrs agoMoonFit: Deployer IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b1740 GLMR0.0037477
0x40578633b38ec71c65e81a4bcff2f7c8b9d9465b0192e35bfd8f8ff21ad17bb1Buy NFT17068622022-08-22 14:43:12163 days 16 hrs ago0x4554583022ba9957f56ac02000ed9a8a6aee75a5 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x1e6ec8902fad9e501578a1005a2806aaf2186d3c43c740b6d4b93f9b2f059deeBuy NFT17068602022-08-22 14:42:48163 days 16 hrs ago0x6969ed2eb6a9905b2595138452fdc418328d3f05 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b174237 GLMR0.0674724295
0xf433b51cab7ff91cf96429220fc879f42519ad2c8af2f18bb6254b6924f75a45Buy NFT17068582022-08-22 14:42:18163 days 16 hrs ago0x01eeef4d5f9a0013767cbd42c5fed68982210403 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283959445
0xceac8e42582e1de28c70577c70af5695c68ab38c77fbafc6287aa2535644b6ceBuy NFT17068512022-08-22 14:40:54163 days 16 hrs ago0xbce85847d4ee95da1cf34c9e7415e253b0dc36c3 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x1c1a72a286256f619d95cdee61a1ac9d77ab784c4d3d2108c652024dd18eead0Buy NFT17068472022-08-22 14:40:06163 days 16 hrs ago0xcec429a2cdcd172a15e4302c759c60901abeeb41 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0279763
0x100d68e3fd56c40f92effd2edd4a6b7ffd91e010ed7f6837204bc74e902e2533Buy NFT17068452022-08-22 14:39:42163 days 16 hrs ago0xafd21d9d5220ecd1203916746d46fb10a7933d40 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x865f0966ca6be7c72781cd5b0e88c318ab1ec0fe7dac73c531739d2599ab3415Buy NFT17068442022-08-22 14:39:30163 days 16 hrs ago0xa7b661b5cb100096017963cf60fed03fa7838870 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283959445
0xe33e04b89442dedc4396dca1dd7b609202a24be2a1917ac8df8942aec6ca86dcBuy NFT17068432022-08-22 14:39:18163 days 16 hrs ago0x4a1fa14064a14105419a8eeb3196aec3e03336f0 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x5cdc9d3367fe1fb5baa03501687941c2c1f893b749bc315f5c055a194a77dd87Buy NFT17068282022-08-22 14:36:18163 days 16 hrs ago0xcc1dcdc2e8d338da4134222388313e260ac770a4 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b174395 GLMR0.1065489145
0x428a093b78323f04473c7c21acb3d5c8845ada42675edf7e16c418e3ddf471ddBuy NFT17068272022-08-22 14:36:06163 days 16 hrs ago0x10f6f4d549fed1e6371a4653436909f778c5cef1 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283959445
0xe8e7f9e568fc95d7ae91a9c83dc0ab8773692c8690cae8c2f18a14f2515452b3Buy NFT17068272022-08-22 14:36:06163 days 16 hrs ago0xafb7accb2b8628282232525e8310ba8473ae7658 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283959445
0x6695766538529fda89477f0ccee4c81918a06289e2eefd2ee0e03ad24d19da28Buy NFT17068192022-08-22 14:34:30163 days 16 hrs ago0x940f99a4cabf69e701f9f901ddd7182477f5b197 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x3ae722518c352b6dea68ad3292365498f6d22b99115921a2d088f768f8c0fc85Buy NFT17068192022-08-22 14:34:30163 days 16 hrs ago0xef327a755a5d56a93933e7f980e8eff9bcae4646 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0xbb5b66e6cced03a57a6841e4566c3cae6e25838a93f5360f9fe426b46fd5ec01Buy NFT17068172022-08-22 14:33:48163 days 16 hrs ago0xc062520f168e55680d55f743325387d201b13b89 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283959445
0xcae73eaa1a3e8ab74796ef63f73c4966f86c4c6a19c0f40c5ac687368ec21304Buy NFT17068172022-08-22 14:33:48163 days 16 hrs ago0x78cccc65a0bc2bbe502c07d28416649c5c6623b1 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b174237 GLMR0.069796545
0x1ce25575bb30728bbf2445867c531c80e00d3eea524be829e9141f64a61f2ae6Buy NFT17068152022-08-22 14:33:18163 days 16 hrs ago0xec2f69e6ea001615297367b9f1b6c9e25f695e0a IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x556a8f5bce3e871803a4c459eccade5747dc3f1bf66218e44d325cfffc094473Withdraw Token B...17068102022-08-22 14:32:18163 days 16 hrs agoMoonFit: Deployer IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b1740 GLMR0.0037477
0xddb07f3dfddd41e5132b6ebc517e6cafde355896f0d4df1195818812a7bee0f2Buy NFT17068092022-08-22 14:32:06163 days 16 hrs ago0xd9589558a72683bf6a1bccf39cc31d8078156645 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.02650725
0xd1510ce9240d340451abcef1747f1e38026ff955bc22d13fe371bbcac0a4ed8eBuy NFT17068022022-08-22 14:30:42163 days 16 hrs ago0xd9589558a72683bf6a1bccf39cc31d8078156645 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0263773125
0xdcca509526e4a4673413676f0af2f1382bc5e6c04183f996197c91dc892ad875Buy NFT17068012022-08-22 14:30:30163 days 16 hrs ago0xb877b968a4239d6ca9cb1f1a11ffe8fe26de51e4 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x5f59b2ee6dd43d850b99e90a58866c47d109ed7f299f395bfb75e9bf3003484fBuy NFT17068012022-08-22 14:30:30163 days 16 hrs ago0xae13e1b562861c53d7abb48561adf5e38e1faf29 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0286769375
0xc34bb83c72ac21e18e2f8b7b1aa665445308bc4bf18d944350c2d5ebd4a6e9e9Buy NFT17067982022-08-22 14:29:54163 days 17 hrs ago0xf51d5bf7c8c2b47885c88fb66a70d8f00324db76 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283971625
0x327e9c8d68695b23f615f6790f02da99389105413fdc0960be8778985d768c31Buy NFT17067972022-08-22 14:29:42163 days 17 hrs ago0xd3a3c778147538f8c566e4d823c89a8f22f13bc0 IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.029375115
0x97c5a71e07ea9f0e7f93410ceb6f2e556e398a29d7df6060a62610ab6de741d5Buy NFT17067962022-08-22 14:29:30163 days 17 hrs ago0x3e95e93ace1d56792d3ed326b3f20d32f050fd9f IN  0x1cc5d866bdbd9b3fd9d22493d29da3d5ca97b17479 GLMR0.0283959445
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Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x666acE19dcB5Fb960Ef25517c2baf457b3DF8163

Contract Name:
ERC1967Proxy

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 moonbeam.moonscan.io on 2022-03-25
*/

// Sources flattened with hardhat v2.8.3 https://hardhat.org

// File @openzeppelin/contracts/proxy/[email protected]

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its 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 {}
}

// File @openzeppelin/contracts/proxy/beacon/[email protected]

pragma solidity ^0.8.0;

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

// File @openzeppelin/contracts/utils/[email protected]

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;
        // 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);
            }
        }
    }
}

// File @openzeppelin/contracts/utils/[email protected]

pragma solidity ^0.8.0;

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

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

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

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

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

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

// File @openzeppelin/contracts/proxy/ERC1967/[email protected]

pragma solidity ^0.8.2;

/**
 * @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;
    }
}

// File contracts/ERC1967Proxy.sol

pragma solidity ^0.8.0;

/**
 * @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();
    }
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","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":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://9b8470f06e8a3960c912103fc2be177edaad69584ee3c7d2809ee737e79408e7
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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