Contract 0x08D748C0ca0Bd53B522c750600Eec3fdE4B5683A

 
 
Txn Hash
Method
Block
From
To
Value
0x5735faa05821d19ece6a58b5953cd92608fdb0293c08bb62dca0086e02318ea1Set Approval For...160101132022-11-20 8:44:2316 days 12 hrs agoENS Name boboli1.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00066864 13.09118557
0xb75de4db040cbabe43ddda77943d052d1a5f9a6eb769843d121b70d81d8087a9Withdraw155084562022-09-10 11:02:3887 days 10 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00051456 7.34938271
0xd3a07143ee0343082e8ed10cb5d5f6f7ec53bd0e9b3f9ed5c032cf8dd37cb2a1Safe Transfer Fr...154967062022-09-08 12:54:1489 days 8 hrs agoENS Name boboli.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00072922 9.86581647
0xa65dac098f1069df0ef13f02ec32948579d318136816a79d286504953b4e0d83Purchase154756252022-09-05 3:53:2592 days 17 hrs agoENS Name allinshi.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.0022 Ether0.00062468 6.73411851
0xebb03767d08456f1ec3c152ea7e5db1b17eeb0d8b9cfe753918c1f4a106100ddWithdraw154709762022-09-04 9:55:4593 days 11 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00028169 4.02342019
0x805fbe483bb356a237d2b6fe21de973c11537d1c69d9d180e542e063999607c9Purchase154647772022-09-03 10:14:0694 days 11 hrs agoENS Name 1plus.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.0022 Ether0.00043566 4.69643991
0x0c692cbbc1fa2ee8cb139ce7579f9dadc37886386f70c9c53a7497c8fcc9b4eeSet Approval For...154647412022-09-03 10:06:3294 days 11 hrs agoENS Name 11888188.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.0003401 6.65887385
0x04af58b3919d5c003d7e1dbedaf6a03750ce86109557e7d1d2123400452bf7dfPurchase154609972022-09-02 19:28:1395 days 2 hrs agoENS Name zyf88.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.0022 Ether0.00182399 19.6627865
0x66acc814a16df13594b70651202b4c84abc3f15dc179eb5ec4b2fee369595781Set Approval For...154268432022-08-28 8:50:46100 days 12 hrs agoENS Name oooso.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.0002941 5.75813765
0x5ac531f59921b5e72f36529f6c08655d304474306125ae8c2011f9f8b36a0015Withdraw154215102022-08-27 12:10:45101 days 9 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.0003933 5.61751027
0x243febe961de03e91aabb715f9ad617fea59f8dbe14f20520a91d41d988120a9Purchase154094922022-08-25 13:59:37103 days 7 hrs agoENS Name 11888188.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.0022 Ether0.001733 18.68186379
0x4779687f76b6eb164f941623b9d5ec4c6ebfb0899f3a86bdb709085f0fcc816eSet Approval For...154015862022-08-24 7:28:21104 days 14 hrs agoENS Name lunanft.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00036391 7.12496292
0xf1fce75d1a225fe6c4f80f490523856c7f8c8ec7fb3d963c347f8cbdc68da573Purchase153914632022-08-22 16:54:52106 days 4 hrs agoENS Name cybeerpunk.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.0022 Ether0.00117737 15.56053565
0x0bb5d9afc40edd22db2163df81976f2cf52f522a959a7098fce40b624deaa078Set Approval For...153852862022-08-21 17:38:09107 days 3 hrs agoENS Name 220705.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00042633 8.34707289
0x75ad8eabbd8fad0f4e596f721837ee3eed423e16307165db55da168855c31e1fSet Approval For...153820862022-08-21 5:23:09107 days 16 hrs agoENS Name fallasleep.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00015322 3
0x106ae5ce9c94cda186eb0149176fcff07ca9dee0eb8ee5383d5e01c05bae9c59Withdraw153759902022-08-20 6:13:43108 days 15 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00039689 5.66868943
0x7b86c2bdfd6cac2fd85f6349ef54f911aad19eece6950e6d39f7baabe8d6db30Set Sale Configu...153759882022-08-20 6:12:45108 days 15 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00019685 4.80019884
0xc35b6afa04d10873a84a675a0c5dee332366d720188636d7cdcad8a14c294db5Purchase153759712022-08-20 6:10:06108 days 15 hrs ago0xcbe4e78f60ffd3881ebf8f3a2e529c4aae8a3b98 IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00286359 5.07542642
0x677880b683531078787f9eaaa383f91d64b36f9ecb0fb13a9963f7a5a5ae3152Set Sale Configu...153697532022-08-19 6:19:43109 days 15 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00027475 6.71161571
0xe5ad2e726f033b62b2069c7bd3fa74008feeffde4cab23c3ef9b6c15c1df5ecfSet Funds Recipi...153696762022-08-19 6:01:54109 days 15 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00025657 7.22694585
0xcf3b63e41245beb48b82a6c4b4484776fc3e5d4f8a8e1266c74828757ecaab4ePurchase153577622022-08-17 8:52:43111 days 12 hrs agoENS Name foolsogood.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.002 Ether0.00075923 8.18457623
0xeb6213797025cf7fa90b9fbafa318be746caad7a673036c44f7cfad7e3e731c3Withdraw153501872022-08-16 4:16:52112 days 17 hrs agoENS Name blokslabs.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0 Ether0.00065089 10.22037062
0x9ffa904ec1db317963bf8f832501a6df0f1794e25395a106863925ce5dccf055Purchase153444872022-08-15 6:37:37113 days 14 hrs ago0x4af0466fb396ebefb2bbe8bc15cc45d9e8e9119e IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.002 Ether0.00116057 12.51100647
0xda69937274822e2d74ed6dda06a5b838bf421bf99ab1faa0c26a0ce4c6666a92Purchase153404462022-08-14 15:00:09114 days 6 hrs agoENS Name bcbet.eth IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.002 Ether0.00080748 8.70472256
0xb571bb358e3c829e53cc5676804f521140f8e0ecad2064b1a8e4e82996a2a6f8Purchase153266702022-08-12 11:15:03116 days 10 hrs ago0x9486deeaa9ce4f0f85ed23e6277eb5b264e1d370 IN  0x08d748c0ca0bd53b522c750600eec3fde4b5683a0.002 Ether0.00115269 12.42605852
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xb75de4db040cbabe43ddda77943d052d1a5f9a6eb769843d121b70d81d8087a9155084562022-09-10 11:02:3887 days 10 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xdb8ea085eef3e0157d6f4b812842240bb65e97140.00209 Ether
0xb75de4db040cbabe43ddda77943d052d1a5f9a6eb769843d121b70d81d8087a9155084562022-09-10 11:02:3887 days 10 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.00011 Ether
0xebb03767d08456f1ec3c152ea7e5db1b17eeb0d8b9cfe753918c1f4a106100dd154709762022-09-04 9:55:4593 days 11 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xdb8ea085eef3e0157d6f4b812842240bb65e97140.00418 Ether
0xebb03767d08456f1ec3c152ea7e5db1b17eeb0d8b9cfe753918c1f4a106100dd154709762022-09-04 9:55:4593 days 11 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.00022 Ether
0x5ac531f59921b5e72f36529f6c08655d304474306125ae8c2011f9f8b36a0015154215102022-08-27 12:10:45101 days 9 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xdb8ea085eef3e0157d6f4b812842240bb65e97140.00418 Ether
0x5ac531f59921b5e72f36529f6c08655d304474306125ae8c2011f9f8b36a0015154215102022-08-27 12:10:45101 days 9 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.00022 Ether
0x106ae5ce9c94cda186eb0149176fcff07ca9dee0eb8ee5383d5e01c05bae9c59153759902022-08-20 6:13:43108 days 15 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xdb8ea085eef3e0157d6f4b812842240bb65e97140.0019 Ether
0x106ae5ce9c94cda186eb0149176fcff07ca9dee0eb8ee5383d5e01c05bae9c59153759902022-08-20 6:13:43108 days 15 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0001 Ether
0xeb6213797025cf7fa90b9fbafa318be746caad7a673036c44f7cfad7e3e731c3153501872022-08-16 4:16:52112 days 17 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0057 Ether
0xeb6213797025cf7fa90b9fbafa318be746caad7a673036c44f7cfad7e3e731c3153501872022-08-16 4:16:52112 days 17 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0003 Ether
0x9ba133d793cda96b7770170eaf1889675a7b9396b9a07dc4741ebfd7664ce5d9153132282022-08-10 8:14:41118 days 13 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0057 Ether
0x9ba133d793cda96b7770170eaf1889675a7b9396b9a07dc4741ebfd7664ce5d9153132282022-08-10 8:14:41118 days 13 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0003 Ether
0x8db9e83790f3ca5410e5ad235b9afa40e55a7a0551cc09470fa96763994e857f152994492022-08-08 4:23:40120 days 17 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0057 Ether
0x8db9e83790f3ca5410e5ad235b9afa40e55a7a0551cc09470fa96763994e857f152994492022-08-08 4:23:40120 days 17 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0003 Ether
0xfc85f997ea815703bb224a85e723cd88b1b8e369054a68a7e96d871f941d8d3b152986442022-08-08 1:16:11120 days 20 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0095 Ether
0xfc85f997ea815703bb224a85e723cd88b1b8e369054a68a7e96d871f941d8d3b152986442022-08-08 1:16:11120 days 20 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0005 Ether
0x2c0ef0a98b702072b98009889cd8174de2c9aa7da0eecec4896c26bd1d787c1e152951322022-08-07 12:22:06121 days 9 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0038 Ether
0x2c0ef0a98b702072b98009889cd8174de2c9aa7da0eecec4896c26bd1d787c1e152951322022-08-07 12:22:06121 days 9 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0002 Ether
0xa4714b8fd6b2af5afeb0064199131ee59b8736adc02d61343fd946e365553d7a152872302022-08-06 6:51:04122 days 14 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0019 Ether
0xa4714b8fd6b2af5afeb0064199131ee59b8736adc02d61343fd946e365553d7a152872302022-08-06 6:51:04122 days 14 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0001 Ether
0xd47b3025f3e650d207ec42a658ceea8f737c01242a773fde316c665c9c9c6c46152022072022-07-24 0:43:29135 days 20 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0019 Ether
0xd47b3025f3e650d207ec42a658ceea8f737c01242a773fde316c665c9c9c6c46152022072022-07-24 0:43:29135 days 20 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0001 Ether
0x8cc8f71a696aa8caf434302f3654d1965b04ca1789b43f9d6069aaa65f20f763151722882022-07-19 9:34:07140 days 12 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0057 Ether
0x8cc8f71a696aa8caf434302f3654d1965b04ca1789b43f9d6069aaa65f20f763151722882022-07-19 9:34:07140 days 12 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683a 0xd1d1d4e36117ab794ec5d4c78cbd3a8904e691d00.0003 Ether
0x3fc7cae2e4dcf955e3128394b47594488b50dfb2f548628de9fc05f31b602246151589362022-07-17 7:50:09142 days 13 hrs ago 0x08d748c0ca0bd53b522c750600eec3fde4b5683aENS Name blokslabs.eth0.0304 Ether
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xe31a25b230bdab50f5d223a2ab14b1072a85f549

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 Sourcemap

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Swarm Source

ipfs://491ab9675594191f3f568c415062a5981bd48bfca02ae907582907f4fa766a18
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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