ETH Price: $3,278.05 (-1.86%)

Contract

0xe31A25B230BDaB50F5D223A2AB14B1072A85F549
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Transfer From196941112024-04-20 4:01:23247 days ago1713585683IN
0xe31A25B2...72A85F549
0 ETH0.000515857.76826865
Set Approval For...191292832024-01-31 21:56:59326 days ago1706738219IN
0xe31A25B2...72A85F549
0 ETH0.0011880423.29859653
Set Approval For...171169192023-04-24 15:04:47608 days ago1682348687IN
0xe31A25B2...72A85F549
0 ETH0.0040791979.99671499
Set Approval For...167678262023-03-06 7:27:47657 days ago1678087667IN
0xe31A25B2...72A85F549
0 ETH0.0011622122.78145248
Set Approval For...167657032023-03-06 0:18:11658 days ago1678061891IN
0xe31A25B2...72A85F549
0 ETH0.0015928331.23698067
Set Approval For...167189352023-02-27 10:27:59664 days ago1677493679IN
0xe31A25B2...72A85F549
0 ETH0.0009762119.13548095
Safe Transfer Fr...167086382023-02-25 23:45:35666 days ago1677368735IN
0xe31A25B2...72A85F549
0 ETH0.0012931617.32766745
Set Approval For...166226132023-02-13 21:47:11678 days ago1676324831IN
0xe31A25B2...72A85F549
0 ETH0.001406327.57889457
Set Approval For...166018472023-02-11 0:09:35681 days ago1676074175IN
0xe31A25B2...72A85F549
0 ETH0.0005878620.15719876
Set Approval For...164848652023-01-25 15:55:47697 days ago1674662147IN
0xe31A25B2...72A85F549
0 ETH0.0010892121.36045551
Set Approval For...164328522023-01-18 9:40:11704 days ago1674034811IN
0xe31A25B2...72A85F549
0 ETH0.0004320914.81595395
Set Approval For...164240462023-01-17 4:12:35706 days ago1673928755IN
0xe31A25B2...72A85F549
0 ETH0.0011325322.21005265
Transfer From164085242023-01-15 0:07:23708 days ago1673741243IN
0xe31A25B2...72A85F549
0 ETH0.001332427.0230902
Transfer From164067122023-01-14 18:03:11708 days ago1673719391IN
0xe31A25B2...72A85F549
0 ETH0.001441920.24976771
Set Approval For...162597992022-12-25 5:53:23729 days ago1671947603IN
0xe31A25B2...72A85F549
0 ETH0.0005830311.43385648
Set Approval For...162513102022-12-24 1:28:11730 days ago1671845291IN
0xe31A25B2...72A85F549
0 ETH0.0004050213.91658999
Set Approval For...161196222022-12-05 15:53:59748 days ago1670255639IN
0xe31A25B2...72A85F549
0 ETH0.0009057117.75356352
Set Approval For...160294282022-11-23 1:30:35761 days ago1669167035IN
0xe31A25B2...72A85F549
0 ETH0.0006377312.50666019
Set Approval For...160136422022-11-20 20:34:11763 days ago1668976451IN
0xe31A25B2...72A85F549
0 ETH0.0006977413.6833866
Set Approval For...160136412022-11-20 20:33:59763 days ago1668976439IN
0xe31A25B2...72A85F549
0 ETH0.0006454212.65137592
Safe Transfer Fr...160000492022-11-18 23:01:35765 days ago1668812495IN
0xe31A25B2...72A85F549
0 ETH0.0008973412.13840269
Set Approval For...159944122022-11-18 4:08:47766 days ago1668744527IN
0xe31A25B2...72A85F549
0 ETH0.0006466212.68083702
Safe Transfer Fr...159206752022-11-07 20:56:23776 days ago1667854583IN
0xe31A25B2...72A85F549
0 ETH0.0011087115
Safe Transfer Fr...159168102022-11-07 7:59:59776 days ago1667807999IN
0xe31A25B2...72A85F549
0 ETH0.0009470613.16716206
Set Approval For...158843402022-11-02 19:11:35781 days ago1667416295IN
0xe31A25B2...72A85F549
0 ETH0.0012986125.45513018
View all transactions

Latest 1 internal transaction

Advanced mode:
Parent Transaction Hash Block
From
To
148077052022-05-19 23:14:27948 days ago1653002067  Contract Creation0 ETH
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
ERC721DropProxy

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 5000 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2022-05-20
*/

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


/**

 ________   _____   ____    ______      ____
/\_____  \ /\  __`\/\  _`\ /\  _  \    /\  _`\
\/____//'/'\ \ \/\ \ \ \L\ \ \ \L\ \   \ \ \/\ \  _ __   ___   _____     ____
     //'/'  \ \ \ \ \ \ ,  /\ \  __ \   \ \ \ \ \/\`'__\/ __`\/\ '__`\  /',__\
    //'/'___ \ \ \_\ \ \ \\ \\ \ \/\ \   \ \ \_\ \ \ \//\ \L\ \ \ \L\ \/\__, `\
    /\_______\\ \_____\ \_\ \_\ \_\ \_\   \ \____/\ \_\\ \____/\ \ ,__/\/\____/
    \/_______/ \/_____/\/_/\/ /\/_/\/_/    \/___/  \/_/ \/___/  \ \ \/  \/___/
                                                                 \ \_\
                                                                  \/_/

Drop Powered by ZORA

 */



// 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"}]

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

Deployed Bytecode

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

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

000000000000000000000000478dc357913ec31b5015cbad60c8ddedff6299c100000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0x478dc357913EC31b5015cBAD60C8ddedFf6299c1
Arg [1] : _data (bytes): 0x

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000478dc357913ec31b5015cbad60c8ddedff6299c1
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000


Deployed Bytecode Sourcemap

24032:160:0:-:0;;;;;;3727:11;:9;:11::i;:::-;24032:160;;3496:11;3133:113;3210:28;3220:17;:15;:17::i;:::-;3210:9;:28::i;:::-;3133:113::o;12106:200::-;12189:12;12221:77;12242:6;12250:4;12221:77;;;;;;;;;;;;;;;;;:20;:77::i;:::-;12214:84;12106:200;-1:-1:-1;;;12106:200:0:o;6573:326::-;6868:19;;;:23;;;6573:326::o;15433:151::-;15562:4;15433:151::o;23834:142::-;23901:12;23933:35;17108:66;17469:54;;;;17389:142;23933:35;23926:42;;23834:142;:::o;1724:918::-;2067:14;2064:1;2061;2048:34;2285:1;2282;2266:14;2263:1;2247:14;2240:5;2227:60;2364:16;2361:1;2358;2343:38;2404:6;2473:68;;;;2592:16;2589:1;2582:27;2473:68;2509:16;2506:1;2499:27;12500:396;12645:12;6868:19;;;;12670:69;;;;;;;216:2:1;12670:69:0;;;198:21:1;255:2;235:18;;;228:30;294:34;274:18;;;267:62;365:8;345:18;;;338:36;391:19;;12670:69:0;;;;;;;;;12753:12;12767:23;12794:6;:19;;12814:4;12794:25;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12752:67;;;;12837:51;12854:7;12863:10;12875:12;12837:16;:51::i;:::-;12830:58;12500:396;-1:-1:-1;;;;;;12500:396:0:o;13124:712::-;13274:12;13303:7;13299:530;;;-1:-1:-1;13334:10:0;13327:17;;13299:530;13448:17;;:21;13444:374;;13646:10;13640:17;13707:15;13694:10;13690:2;13686:19;13679:44;13444:374;13789:12;13782:20;;;;;;;;;;;:::i;421:258:1:-;493:1;503:113;517:6;514:1;511:13;503:113;;;593:11;;;587:18;574:11;;;567:39;539:2;532:10;503:113;;;634:6;631:1;628:13;625:48;;;669:1;660:6;655:3;651:16;644:27;625:48;;421:258;;;:::o;684:274::-;813:3;851:6;845:13;867:53;913:6;908:3;901:4;893:6;889:17;867:53;:::i;:::-;936:16;;;;;684:274;-1:-1:-1;;684:274:1:o;963:442::-;1112:2;1101:9;1094:21;1075:4;1144:6;1138:13;1187:6;1182:2;1171:9;1167:18;1160:34;1203:66;1262:6;1257:2;1246:9;1242:18;1237:2;1229:6;1225:15;1203:66;:::i;:::-;1321:2;1309:15;1326:66;1305:88;1290:104;;;;1396:2;1286:113;;963:442;-1:-1:-1;;963:442:1:o

Swarm Source

ipfs://491ab9675594191f3f568c415062a5981bd48bfca02ae907582907f4fa766a18

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.