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0xB20BB9105e007Bd3E0F73d63D4D3dA2c8f736b77
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Propose Block9876912024-02-21 2:04:4816 secs ago1708481088IN
0xB20BB9...8f736b77
0.00000005 ETH0.000365571.11887252
Propose Block9876912024-02-21 2:04:4816 secs ago1708481088IN
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0.00000005 ETH0.000775771.11887252
Propose Block9876892024-02-21 2:04:2440 secs ago1708481064IN
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0.00000005 ETH0.00083651.11355485
Propose Block9876892024-02-21 2:04:2440 secs ago1708481064IN
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1 wei0.001783151.11355485
Propose Block9876882024-02-21 2:04:1252 secs ago1708481052IN
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1 wei0.000581320.9911558
Propose Block9876872024-02-21 2:04:001 min ago1708481040IN
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0.00000005 ETH0.000856341.11704988
Propose Block9876872024-02-21 2:04:001 min ago1708481040IN
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0.00000005 ETH0.000622711.11704988
Propose Block9876862024-02-21 2:03:481 min ago1708481028IN
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0.00000005 ETH0.000619331.00040179
Propose Block9876842024-02-21 2:03:241 min ago1708481004IN
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0.00000005 ETH0.00035761.00313517
Propose Block9876842024-02-21 2:03:241 min ago1708481004IN
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0.00000005 ETH0.000932321.00313517
Propose Block9876832024-02-21 2:03:121 min ago1708480992IN
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1 wei0.001154781.09920723
Propose Block9876832024-02-21 2:03:121 min ago1708480992IN
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1 wei0.001153211.09920723
Propose Block9876832024-02-21 2:03:121 min ago1708480992IN
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0.00000005 ETH0.000353571.09920723
Propose Block9876832024-02-21 2:03:121 min ago1708480992IN
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0.00000005 ETH0.00115491.09920723
Propose Block9876822024-02-21 2:02:482 mins ago1708480968IN
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0.00000005 ETH0.000825161.0131863
Propose Block9876822024-02-21 2:02:482 mins ago1708480968IN
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0.00000005 ETH0.00066931.0131863
Propose Block9876802024-02-21 2:02:242 mins ago1708480944IN
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0.00000005 ETH0.000490711.02225351
Propose Block9876802024-02-21 2:02:242 mins ago1708480944IN
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0.00000005 ETH0.000794021.02225351
Propose Block9876782024-02-21 2:02:003 mins ago1708480920IN
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1 wei0.001140371.00915219
Propose Block9876782024-02-21 2:02:003 mins ago1708480920IN
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0.00000005 ETH0.000633031.00915219
Propose Block9876782024-02-21 2:02:003 mins ago1708480920IN
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0.00000005 ETH0.001137621.00915219
Propose Block9876762024-02-21 2:01:363 mins ago1708480896IN
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0.00000005 ETH0.000326981.01391002
Propose Block9876762024-02-21 2:01:363 mins ago1708480896IN
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0.00000005 ETH0.000630621.01391002
Propose Block9876742024-02-21 2:01:123 mins ago1708480872IN
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0.00000005 ETH0.000487031.01461098
Propose Block9876742024-02-21 2:01:123 mins ago1708480872IN
0xB20BB9...8f736b77
0.00000005 ETH0.000821771.01461098
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9876912024-02-21 2:04:4816 secs ago1708481088
0xB20BB9...8f736b77
0.00000005 ETH
9876912024-02-21 2:04:4816 secs ago1708481088
0xB20BB9...8f736b77
0.00000005 ETH
9876892024-02-21 2:04:2440 secs ago1708481064
0xB20BB9...8f736b77
0.00000005 ETH
9876892024-02-21 2:04:2440 secs ago1708481064
0xB20BB9...8f736b77
1 wei
9876882024-02-21 2:04:1252 secs ago1708481052
0xB20BB9...8f736b77
1 wei
9876872024-02-21 2:04:001 min ago1708481040
0xB20BB9...8f736b77
0.00000005 ETH
9876872024-02-21 2:04:001 min ago1708481040
0xB20BB9...8f736b77
0.00000005 ETH
9876862024-02-21 2:03:481 min ago1708481028
0xB20BB9...8f736b77
0.00000005 ETH
9876842024-02-21 2:03:241 min ago1708481004
0xB20BB9...8f736b77
0.00000005 ETH
9876842024-02-21 2:03:241 min ago1708481004
0xB20BB9...8f736b77
0.00000005 ETH
9876832024-02-21 2:03:121 min ago1708480992
0xB20BB9...8f736b77
1 wei
9876832024-02-21 2:03:121 min ago1708480992
0xB20BB9...8f736b77
1 wei
9876832024-02-21 2:03:121 min ago1708480992
0xB20BB9...8f736b77
0.00000005 ETH
9876832024-02-21 2:03:121 min ago1708480992
0xB20BB9...8f736b77
0.00000005 ETH
9876822024-02-21 2:02:482 mins ago1708480968
0xB20BB9...8f736b77
0.00000005 ETH
9876822024-02-21 2:02:482 mins ago1708480968
0xB20BB9...8f736b77
0.00000005 ETH
9876802024-02-21 2:02:242 mins ago1708480944
0xB20BB9...8f736b77
0.00000005 ETH
9876802024-02-21 2:02:242 mins ago1708480944
0xB20BB9...8f736b77
0.00000005 ETH
9876782024-02-21 2:02:003 mins ago1708480920
0xB20BB9...8f736b77
1 wei
9876782024-02-21 2:02:003 mins ago1708480920
0xB20BB9...8f736b77
0.00000005 ETH
9876782024-02-21 2:02:003 mins ago1708480920
0xB20BB9...8f736b77
0.00000005 ETH
9876762024-02-21 2:01:363 mins ago1708480896
0xB20BB9...8f736b77
0.00000005 ETH
9876762024-02-21 2:01:363 mins ago1708480896
0xB20BB9...8f736b77
0.00000005 ETH
9876742024-02-21 2:01:123 mins ago1708480872
0xB20BB9...8f736b77
0.00000005 ETH
9876742024-02-21 2:01:123 mins ago1708480872
0xB20BB9...8f736b77
0.00000005 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
ERC1967Proxy

Compiler Version
v0.8.20+commit.a1b79de6

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 7 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol)

pragma solidity ^0.8.0;

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

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

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

File 2 of 7 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

File 3 of 7 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

File 4 of 7 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

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

File 5 of 7 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

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

File 6 of 7 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 7 of 7 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

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

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

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

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

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

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

Settings
{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

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

0x608060405236601057600e6013565b005b600e5b601f601b6021565b6058565b565b600060537f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc546001600160a01b031690565b905090565b3660008037600080366000845af43d6000803e8080156076573d6000f35b3d6000fdfea264697066735822122086939faa9cc2f3fe1410043eff38cc933fdbaa97744a116ffa0de4487915f87464736f6c63430008140033

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000da9f727e89814193e11d681e6e845d576d10091f000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000442cc0b254000000000000000000000000d331b9d877ca3b384ee837112c5a9ed4c3e11cd67be2de998c4f9f94a074b64aadb426ab6dcb1132aff0a9ad49f0caf105ea680e00000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0xda9F727E89814193E11D681E6e845D576d10091f
Arg [1] : _data (bytes): 0x2cc0b254000000000000000000000000d331b9d877ca3b384ee837112c5a9ed4c3e11cd67be2de998c4f9f94a074b64aadb426ab6dcb1132aff0a9ad49f0caf105ea680e

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000da9f727e89814193e11d681e6e845d576d10091f
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000044
Arg [3] : 2cc0b254000000000000000000000000d331b9d877ca3b384ee837112c5a9ed4
Arg [4] : c3e11cd67be2de998c4f9f94a074b64aadb426ab6dcb1132aff0a9ad49f0caf1
Arg [5] : 05ea680e00000000000000000000000000000000000000000000000000000000


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