Contract 0x53c4B5018a86DA6E08309B096A31548b02e5e8d1

 
 
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0x65a24cc4ccc590432b454e465719bfdf9d2257b7f433792dce2bff7a7f225206Set Approval For...157487422022-10-14 20:29:3553 days 1 hr agoENS Name kementari.eth IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00096529 18.90767493
0xfd86fd425f6dffb070f5803bb970967b0eb6237eef8a419027ae685fc3055e97Set Approval For...155042212022-09-09 18:26:5288 days 3 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00162047 31.74095966
0x2635a9b753a876939d93e1abfc137895c92e1da6792215b067d5b2bb282c2402Transfer From146141652022-04-19 7:15:25231 days 14 hrs agoENS Name grossehalbuer.eth IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00164989 24.61975296
0x7581976ce81f0addaad6c6af216bc4577b0aeb857c2888f896cf01345ab39145Set Approval For...146141492022-04-19 7:11:40231 days 14 hrs agoENS Name grossehalbuer.eth IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00146064 28.56328146
0x0f339c28861e929038d3ca4e8b50e9a7b649dfed0eda5b50da6c16a2695bb600Transfer From145925502022-04-15 22:10:23234 days 23 hrs ago0x64f7e4e59a5614411a1a1675de29874a923bb3ee IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00213499 42.7725816
0x461367bffdb405a1c6b09799f97ef593035081d34c573eb8e23066b90e128f69Transfer From145925462022-04-15 22:09:26234 days 23 hrs ago0x64f7e4e59a5614411a1a1675de29874a923bb3ee IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00218285 39.89501649
0x2901f36a8caeb22c93a29076d519c7cb8a7bfcd83e53949d72ddccdd4f2bc12cTransfer From145925432022-04-15 22:09:12234 days 23 hrs ago0x64f7e4e59a5614411a1a1675de29874a923bb3ee IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00244919 44.76275503
0x8170004f60c24957971e649852e98a3da9087604f748dae4680d0a8d1734b21fTransfer From145925392022-04-15 22:08:39234 days 23 hrs ago0x64f7e4e59a5614411a1a1675de29874a923bb3ee IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.0043392 60.42203116
0x56a082b6fc63dbbf46f880d62a821d2ff0f1274caf04af1b14d210248c364f3cSet Approval For...143089272022-03-02 17:21:41279 days 4 hrs agoENS Name kementari.eth IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00403369 78.88006776
0xb30cbfceec2810ed95526f49e323ef797f0178159ec6ed75fffdd46a9767c6b0Set Approval For...142696902022-02-24 15:53:04285 days 5 hrs ago0x5df68a762870cfd0a2abc7f5922a87554bf81839 IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.0044073 86.18626857
0x07a8d05828b19ff2e9e5c84386c4018a04f2e155765571d712c00dffe52979adSet Token URI142514682022-02-21 20:03:15288 days 1 hr ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00683274 172.30463669
0x979a5d33201fbbbfd5bb17b90814731f9b2ac12c79320c40c7e77ed0d434d110Set Token URI142514662022-02-21 20:02:06288 days 1 hr ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00616184 155.38645527
0xf0a63e6128618b9f87f6939235e14a076eb4093dd5008fbac3c00c78a36e4a31Set Approval For...142492712022-02-21 11:51:56288 days 9 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.0034564 67.59112973
0xe0fa5be6496f80c6ae299fc0038054fdd6c114bb2c266b704da38e532f2417c2Mint Base142488302022-02-21 10:19:15288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00810519 50.69709591
0xba79acca87281bd2c6d0141edeb6b5f53611903c236506e89b4f6449cd195df1Mint Base142488002022-02-21 10:11:48288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00493073 30.84116907
0x8119156c10a8f1ba85c2edb062a28adb9023ad32f81a0475779614301aca7764Mint Base142487892022-02-21 10:09:04288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.0053349 33.36921213
0xbf00bad6c53cb5432d51607463df75f78843fca7685b89309570130b5eeda625Mint Base142487752022-02-21 10:07:03288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00548849 34.32988454
0x6b94f415663e0278632fa07b52b56d65b0d769be617cb357991fb08564ef24a5Mint Base142487622022-02-21 10:04:31288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00560542 35.06128296
0x949ed7feea3141c68cb9a2d0c90b77bc4e1b30fa9a5b8ebfeca7f91fa375d7e4Mint Base142487492022-02-21 10:01:48288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00503462 31.4909817
0xfb98ec219db2f8fd6ee09ea82ae9527380571423aacd513a47dbb744ca74666cMint Base142487282022-02-21 9:59:19288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.01067303 66.75860108
0xca848ed074e55e8493d834431fdf7f9e62e07a8fefe805dd77bc541c052bb2cbMint Base142487222022-02-21 9:56:51288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.007074 44.24712691
0x184c2a61d34c7977e0ece8c9c3bcad2c310e86ebb31c07d92802ff6ed1206cbcMint Base142487122022-02-21 9:55:04288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00713335 44.61835467
0x2caa702ac206a2ed6c6bc824872d91b8f05d576ea0e2e1ba58a8dff0786c1939Mint Base142486982022-02-21 9:52:14288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.0080335 50.24866562
0x678a859c4bdf0c53ce678c584033f85ad63214e297a1cf773144a3a5d4bc63cfMint Base142486872022-02-21 9:49:26288 days 11 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00692997 43.34621228
0xc871b97a5b11e3c125033e30320851812b3defd6bb5cd06e4e3ec0f48c39aac8Mint Base142486492022-02-21 9:40:39288 days 12 hrs ago0xf43e8bd197cd57782bc0f41f0d099cae5e8ee74b IN  0x53c4b5018a86da6e08309b096a31548b02e5e8d10 Ether0.00663845 41.52277421
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Contract Source Code Verified (Exact Match)

Contract Name:
UBL

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 300 runs

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

pragma solidity ^0.8.0;

/// @title: Unspoiled Blues
/// @author: manifold.xyz

import "./ERC721Creator.sol";

////////////////////////////////////////////////////////////////////////////////////////////////////////////
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//                                   ╚═╝     ╚═╝╚═╝  ╚═╝                                                  //
//                            Marvin Kuhr Custom Smart Contract                                           //
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////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract UBL is ERC721Creator {
    constructor() ERC721Creator("Unspoiled Blues", "UBL") {}
}

File 2 of 5 : ERC721Creator.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 ERC721Creator is Proxy {
    
    constructor(string memory name, string memory symbol) {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a;
        Address.functionDelegateCall(
            0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a,
            abi.encodeWithSignature("initialize(string,string)", name, symbol)
        );
    }
        
    /**
     * @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 v4.5.0) (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 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 internall 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 {}
}

File 4 of 5 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (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

                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 v4.4.1 (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) {
        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
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 300
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "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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Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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