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0xfC2b4297a8FdD095971AD5595DC93D71F003fb32
 

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$0.00

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Transaction Hash
Method
Block
From
To
Safe Transfer Fr...176819032023-07-13 3:24:23427 days ago1689218663IN
0xfC2b4297...1F003fb32
0 ETH0.0011031817.76896421
Safe Transfer Fr...166629402023-02-19 13:29:35571 days ago1676813375IN
0xfC2b4297...1F003fb32
0 ETH0.0019851129.68485507
Safe Transfer Fr...166140922023-02-12 17:11:59578 days ago1676221919IN
0xfC2b4297...1F003fb32
0 ETH0.0007931117.63054657
Set Approval For...165058112023-01-28 14:08:11593 days ago1674914891IN
0xfC2b4297...1F003fb32
0 ETH0.0008051715.77140538
Safe Transfer Fr...164879292023-01-26 2:12:35595 days ago1674699155IN
0xfC2b4297...1F003fb32
0 ETH0.0011432817.0590836
Set Approval For...164724682023-01-23 22:23:47597 days ago1674512627IN
0xfC2b4297...1F003fb32
0 ETH0.0009976119.5407527
Set Approval For...164507632023-01-20 21:40:59600 days ago1674250859IN
0xfC2b4297...1F003fb32
0 ETH0.0012074423.65078915
Set Approval For...163668722023-01-09 4:32:23612 days ago1673238743IN
0xfC2b4297...1F003fb32
0 ETH0.0009608618.82092406
Safe Transfer Fr...163564882023-01-07 17:46:23614 days ago1673113583IN
0xfC2b4297...1F003fb32
0 ETH0.0008700112.99051078
Set Approval For...161941652022-12-16 2:06:35636 days ago1671156395IN
0xfC2b4297...1F003fb32
0 ETH0.0006846513.41066131
Safe Transfer Fr...161507432022-12-10 0:32:35642 days ago1670632355IN
0xfC2b4297...1F003fb32
0 ETH0.0010184815.19694674
Safe Transfer Fr...161501502022-12-09 22:32:59642 days ago1670625179IN
0xfC2b4297...1F003fb32
0 ETH0.0009520715.30205831
Safe Transfer Fr...161501122022-12-09 22:25:23642 days ago1670624723IN
0xfC2b4297...1F003fb32
0 ETH0.0011050916.48934982
Safe Transfer Fr...161500532022-12-09 22:13:23642 days ago1670624003IN
0xfC2b4297...1F003fb32
0 ETH0.0011150116.63725626
Safe Transfer Fr...161500402022-12-09 22:10:47642 days ago1670623847IN
0xfC2b4297...1F003fb32
0 ETH0.0011647617.37955732
Safe Transfer Fr...161500242022-12-09 22:07:35642 days ago1670623655IN
0xfC2b4297...1F003fb32
0 ETH0.0015389622.96318729
Safe Transfer Fr...161499852022-12-09 21:59:47642 days ago1670623187IN
0xfC2b4297...1F003fb32
0 ETH0.0010268416.50375934
Safe Transfer Fr...161491932022-12-09 19:20:23643 days ago1670613623IN
0xfC2b4297...1F003fb32
0 ETH0.0013489120.12736489
Safe Transfer Fr...161491782022-12-09 19:17:23643 days ago1670613443IN
0xfC2b4297...1F003fb32
0 ETH0.0014485721.61440214
Safe Transfer Fr...161491492022-12-09 19:11:35643 days ago1670613095IN
0xfC2b4297...1F003fb32
0 ETH0.0015384222.95508503
Safe Transfer Fr...161440182022-12-09 1:57:47643 days ago1670551067IN
0xfC2b4297...1F003fb32
0 ETH0.0009312413.90026985
Safe Transfer Fr...161437062022-12-09 0:55:23643 days ago1670547323IN
0xfC2b4297...1F003fb32
0 ETH0.0009483914.15625726
Safe Transfer Fr...161436902022-12-09 0:51:59643 days ago1670547119IN
0xfC2b4297...1F003fb32
0 ETH0.0009204213.7387862
Safe Transfer Fr...161432142022-12-08 23:16:11643 days ago1670541371IN
0xfC2b4297...1F003fb32
0 ETH0.0008736913.03647996
Safe Transfer Fr...161424872022-12-08 20:50:11644 days ago1670532611IN
0xfC2b4297...1F003fb32
0 ETH0.0010265415.3172843
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Block From To
176819032023-07-13 3:24:23427 days ago1689218663
0xfC2b4297...1F003fb32
0 ETH
174228192023-06-06 17:14:59464 days ago1686071699
0xfC2b4297...1F003fb32
0 ETH
174228192023-06-06 17:14:59464 days ago1686071699
0xfC2b4297...1F003fb32
0 ETH
167131642023-02-26 15:01:11564 days ago1677423671
0xfC2b4297...1F003fb32
0 ETH
167131642023-02-26 15:01:11564 days ago1677423671
0xfC2b4297...1F003fb32
0 ETH
166629402023-02-19 13:29:35571 days ago1676813375
0xfC2b4297...1F003fb32
0 ETH
166140922023-02-12 17:11:59578 days ago1676221919
0xfC2b4297...1F003fb32
0 ETH
165058142023-01-28 14:08:47593 days ago1674914927
0xfC2b4297...1F003fb32
0 ETH
165058142023-01-28 14:08:47593 days ago1674914927
0xfC2b4297...1F003fb32
0 ETH
165058112023-01-28 14:08:11593 days ago1674914891
0xfC2b4297...1F003fb32
0 ETH
164962532023-01-27 6:05:35594 days ago1674799535
0xfC2b4297...1F003fb32
0 ETH
164962532023-01-27 6:05:35594 days ago1674799535
0xfC2b4297...1F003fb32
0 ETH
164879292023-01-26 2:12:35595 days ago1674699155
0xfC2b4297...1F003fb32
0 ETH
164724682023-01-23 22:23:47597 days ago1674512627
0xfC2b4297...1F003fb32
0 ETH
164507632023-01-20 21:40:59600 days ago1674250859
0xfC2b4297...1F003fb32
0 ETH
163668832023-01-09 4:34:35612 days ago1673238875
0xfC2b4297...1F003fb32
0 ETH
163668832023-01-09 4:34:35612 days ago1673238875
0xfC2b4297...1F003fb32
0 ETH
163668722023-01-09 4:32:23612 days ago1673238743
0xfC2b4297...1F003fb32
0 ETH
163564882023-01-07 17:46:23614 days ago1673113583
0xfC2b4297...1F003fb32
0 ETH
162179792022-12-19 9:55:11633 days ago1671443711
0xfC2b4297...1F003fb32
0 ETH
162179792022-12-19 9:55:11633 days ago1671443711
0xfC2b4297...1F003fb32
0 ETH
161941652022-12-16 2:06:35636 days ago1671156395
0xfC2b4297...1F003fb32
0 ETH
161583102022-12-11 1:53:11641 days ago1670723591
0xfC2b4297...1F003fb32
0 ETH
161583102022-12-11 1:53:11641 days ago1670723591
0xfC2b4297...1F003fb32
0 ETH
161583072022-12-11 1:52:35641 days ago1670723555
0xfC2b4297...1F003fb32
0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
Juice

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 5 : Juice.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title: Juice Fam
/// @author: manifold.xyz

import "./ERC1155Creator.sol";

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                                     //
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//     █████████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░███░░███                                     //
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//     ████░███░░░░█████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░███░░░░░░░░█████                             //
//     ████░███░░░░░░█████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░████░░░░░░░░░░█████                           //
//     ████░████░░░░░░█████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████████░░░░░░░░░░░░░█████                         //
//     ████░░███░░░░░░░░██████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░█████████░░░░░░░░░░░░░░░░░█████                       //
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//     ████░░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░████░░░░████░░░████░░░░░████░░░░████░░░████░░░░████░░░░░░░░███          //
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//     ████░░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░████░░░░░░░░████░░░░░████░░░░████░░░██░░░████░░░░░░░░░░░░░░░███          //
//     ████░░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//      ████░░░░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//        █████░░░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//          █████░░░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//            █████░░░░░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//              █████░░░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                █████░░░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                  █████░░░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                    █████░░░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                      █████░░░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                        █████░░░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                          █████░░░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                            █████░░░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                              █████░░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                                ████░███░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                                  ██████░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░███          //
//                                    ███████████████████████████████████████████████████████████████████████          //
//                                                                                                                     //
//                                                                                                                     //
//                                                                                                                     //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract Juice is ERC1155Creator {
    constructor() ERC1155Creator() {}
}

File 2 of 5 : ERC1155Creator.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @author: manifold.xyz

import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";

contract ERC1155Creator is Proxy {

    constructor() {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x142FD5b9d67721EfDA3A5E2E9be47A96c9B724A4;
        Address.functionDelegateCall(
            0x142FD5b9d67721EfDA3A5E2E9be47A96c9B724A4,
            abi.encodeWithSignature("initialize()")
        );
    }

    /**
     * @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 Returns the current implementation address.
     */
     function implementation() public view returns (address) {
        return _implementation();
    }

    function _implementation() internal override view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }    

}

File 3 of 5 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

File 4 of 5 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 5 of 5 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

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

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

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

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

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

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

Settings
{
  "remappings": [
    "@openzeppelin/=node_modules/@openzeppelin/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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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.