ETH Price: $2,624.98 (+1.35%)

Contract

0xef5f7d873de5A229af9Ede3f02725A45C4Ae69dd
 

Overview

ETH Balance

0.02 ETH

Eth Value

$52.50 (@ $2,624.98/ETH)

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Purchase199079392024-05-20 1:44:3593 days ago1716169475IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.000311472.81633267
Safe Transfer Fr...185016632023-11-04 22:31:59290 days ago1699137119IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0017781624
Safe Transfer Fr...176383812023-07-07 0:31:35411 days ago1688689895IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0023803833.9599262
Safe Transfer Fr...176383532023-07-07 0:25:59411 days ago1688689559IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0024943233.29942191
Purchase176383272023-07-07 0:20:47411 days ago1688689247IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0042232338.18653211
Set Owner176015262023-07-01 20:18:35416 days ago1688242715IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0005437615.24258393
Grant Role175709802023-06-27 13:27:59421 days ago1687872479IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0005309516.74999849
Set Funds Recipi...175709682023-06-27 13:25:35421 days ago1687872335IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0006421118.07507867
Withdraw175130212023-06-19 9:52:23429 days ago1687168343IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0009080921.44271413
Set Funds Recipi...175130022023-06-19 9:48:35429 days ago1687168115IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0008271123.28267772
Set Approval For...174801022023-06-14 18:57:59433 days ago1686769079IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0006473222.19823657
Set Approval For...169618792023-04-02 14:03:47507 days ago1680444227IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0009900819.41754683
Set Approval For...169221302023-03-27 23:58:35512 days ago1679961515IN
0xef5f7d87...5C4Ae69dd
0 ETH0.0011217522
Purchase168996412023-03-24 20:08:59515 days ago1679688539IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0028606825.86635085
Purchase168989722023-03-24 17:54:11515 days ago1679680451IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0042490638.42004637
Purchase168986732023-03-24 16:53:47516 days ago1679676827IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0031319233.49834162
Purchase168980922023-03-24 14:56:11516 days ago1679669771IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0027911925.23794995
Purchase168948972023-03-24 4:10:47516 days ago1679631047IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0012154313
Purchase168947052023-03-24 3:32:11516 days ago1679628731IN
0xef5f7d87...5C4Ae69dd
0.032331 ETH0.0017753815.50324003
Purchase168941922023-03-24 1:48:11516 days ago1679622491IN
0xef5f7d87...5C4Ae69dd
0.021554 ETH0.0015272916
Purchase168939812023-03-24 1:05:59516 days ago1679619959IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0020288518.344938
Purchase168936022023-03-23 23:48:47516 days ago1679615327IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0018855420.16737134
Purchase168841832023-03-22 16:01:23518 days ago1679500883IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0038455334.77129633
Purchase168347872023-03-15 17:29:47525 days ago1678901387IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.004006536.22682063
Purchase167919502023-03-09 16:50:59531 days ago1678380659IN
0xef5f7d87...5C4Ae69dd
0.010777 ETH0.0046110741.69334618
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block From To
199079392024-05-20 1:44:3593 days ago1716169475
0xef5f7d87...5C4Ae69dd
0.000777 ETH
176383272023-07-07 0:20:47411 days ago1688689247
0xef5f7d87...5C4Ae69dd
0.000777 ETH
175130212023-06-19 9:52:23429 days ago1687168343
0xef5f7d87...5C4Ae69dd
0.62 ETH
168996412023-03-24 20:08:59515 days ago1679688539
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168989722023-03-24 17:54:11515 days ago1679680451
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168986732023-03-24 16:53:47516 days ago1679676827
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168980922023-03-24 14:56:11516 days ago1679669771
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168948972023-03-24 4:10:47516 days ago1679631047
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168947052023-03-24 3:32:11516 days ago1679628731
0xef5f7d87...5C4Ae69dd
0.002331 ETH
168941922023-03-24 1:48:11516 days ago1679622491
0xef5f7d87...5C4Ae69dd
0.001554 ETH
168939812023-03-24 1:05:59516 days ago1679619959
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168936022023-03-23 23:48:47516 days ago1679615327
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168841832023-03-22 16:01:23518 days ago1679500883
0xef5f7d87...5C4Ae69dd
0.000777 ETH
168347872023-03-15 17:29:47525 days ago1678901387
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167919502023-03-09 16:50:59531 days ago1678380659
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167862622023-03-08 21:40:11531 days ago1678311611
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167826592023-03-08 9:30:11532 days ago1678267811
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167824032023-03-08 8:38:23532 days ago1678264703
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167499722023-03-03 19:11:47536 days ago1677870707
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167432302023-03-02 20:26:47537 days ago1677788807
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167363562023-03-01 21:11:47538 days ago1677705107
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167122812023-02-26 12:02:23542 days ago1677412943
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167121852023-02-26 11:42:47542 days ago1677411767
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167074262023-02-25 19:40:23542 days ago1677354023
0xef5f7d87...5C4Ae69dd
0.000777 ETH
167016382023-02-25 0:07:59543 days ago1677283679
0xef5f7d87...5C4Ae69dd
0.000777 ETH
View All Internal Transactions
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x7492E30d...8C620C4c0
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
ERC721DropProxy

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 5000 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2022-12-03
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;

// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)

// OpenZeppelin Contracts (last updated v4.5.0) (proxy/Proxy.sol)

/**
 * @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 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 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 overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

/**
 * @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);
}

// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

/**
 * @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);
}

// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

/**
 * @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 functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)

/**
 * @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 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);
        }
    }
}

/**
 * @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 Zora NFT Creator Proxy Access Contract
contract ERC721DropProxy is ERC1967Proxy {
    constructor(address _logic, bytes memory _data)
        payable
        ERC1967Proxy(_logic, _data)
    {}
}

Contract Security Audit

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"}]

Deployed Bytecode

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

Deployed Bytecode Sourcemap

23347:160:0:-:0;;;;;;3042:11;:9;:11::i;:::-;23347:160;;2811:11;2448:113;2525:28;2535:17;:15;:17::i;:::-;2525:9;:28::i;:::-;2448:113::o;11421:200::-;11504:12;11536:77;11557:6;11565:4;11536:77;;;;;;;;;;;;;;;;;:20;:77::i;:::-;11529:84;11421:200;-1:-1:-1;;;11421:200:0:o;5888:326::-;6183:19;;;:23;;;5888:326::o;14748:151::-;14877:4;14748:151::o;23149:142::-;23216:12;23248:35;16423:66;16784:54;;;;16704:142;23248:35;23241:42;;23149:142;:::o;1039:918::-;1382:14;1379:1;1376;1363:34;1600:1;1597;1581:14;1578:1;1562:14;1555:5;1542:60;1679:16;1676:1;1673;1658:38;1719:6;1788:68;;;;1907:16;1904:1;1897:27;1788:68;1824:16;1821:1;1814:27;11815:396;11960:12;6183:19;;;;11985:69;;;;;;;216:2:1;11985:69:0;;;198:21:1;255:2;235:18;;;228:30;294:34;274:18;;;267:62;365:8;345:18;;;338:36;391:19;;11985:69:0;;;;;;;;;12068:12;12082:23;12109:6;:19;;12129:4;12109:25;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12067:67;;;;12152:51;12169:7;12178:10;12190:12;12152:16;:51::i;:::-;12145:58;11815:396;-1:-1:-1;;;;;;11815:396:0:o;12439:712::-;12589:12;12618:7;12614:530;;;-1:-1:-1;12649:10:0;12642:17;;12614:530;12763:17;;:21;12759:374;;12961:10;12955:17;13022:15;13009:10;13005:2;13001:19;12994:44;12759:374;13104:12;13097:20;;;;;;;;;;;:::i;421:250:1:-;506:1;516:113;530:6;527:1;524:13;516:113;;;606:11;;;600:18;587:11;;;580:39;552:2;545:10;516:113;;;-1:-1:-1;;663:1:1;645:16;;638:27;421:250::o;676:287::-;805:3;843:6;837:13;859:66;918:6;913:3;906:4;898:6;894:17;859:66;:::i;:::-;941:16;;;;;676:287;-1:-1:-1;;676:287:1:o;968:455::-;1117:2;1106:9;1099:21;1080:4;1149:6;1143:13;1192:6;1187:2;1176:9;1172:18;1165:34;1208:79;1280:6;1275:2;1264:9;1260:18;1255:2;1247:6;1243:15;1208:79;:::i;:::-;1339:2;1327:15;1344:66;1323:88;1308:104;;;;1414:2;1304:113;;968:455;-1:-1:-1;;968:455:1:o

Swarm Source

ipfs://0a1f515908eca720d0626de55050e57ca7f3f77dc588a1e49ecd89e037bc5482

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

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