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0xc4301E2329a7fe1B0107c099c6242B00d41Bf105
 

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Mint Base193066552024-02-25 19:22:35188 days ago1708888955IN
0xc4301E23...0d41Bf105
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Mint Base192576432024-02-18 22:28:35195 days ago1708295315IN
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Mint Base192051972024-02-11 13:43:59202 days ago1707659039IN
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Mint Base190089752024-01-15 1:22:35230 days ago1705281755IN
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Mint Base187322722023-12-07 5:15:47269 days ago1701926147IN
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Mint Base186563342023-11-26 14:06:35279 days ago1701007595IN
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Mint Base186032902023-11-19 3:50:47287 days ago1700365847IN
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Mint Base185574492023-11-12 17:54:23293 days ago1699811663IN
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Mint Base185027292023-11-05 2:06:59301 days ago1699150019IN
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Mint Base184580532023-10-29 19:54:59307 days ago1698609299IN
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Mint Base183568302023-10-15 16:00:23321 days ago1697385623IN
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Mint Base165097842023-01-29 3:26:23581 days ago1674962783IN
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Mint Base163919042023-01-12 16:26:11597 days ago1673540771IN
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Mint Base163418562023-01-05 16:43:11604 days ago1672936991IN
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Mint Base163075282022-12-31 21:47:11609 days ago1672523231IN
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Mint Base162234802022-12-20 4:21:11621 days ago1671510071IN
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Mint Base161121722022-12-04 14:54:47636 days ago1670165687IN
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Mint Base157851212022-10-19 22:25:59682 days ago1666218359IN
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Contract Source Code Verified (Exact Match)

Contract Name:
CAPR

Compiler Version
v0.8.7+commit.e28d00a7

Optimization Enabled:
Yes with 300 runs

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

pragma solidity ^0.8.0;

/// @title: Campeche Art
/// @author: manifold.xyz

import "./ERC721Creator.sol";

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//      ______    ______   __       __  _______   ________   ______   __    __  ________         ______   _______  ________                                            //
//     /      \  /      \ |  \     /  \|       \ |        \ /      \ |  \  |  \|        \       /      \ |       \|        \                                           //
//    |  $$$$$$\|  $$$$$$\| $$\   /  $$| $$$$$$$\| $$$$$$$$|  $$$$$$\| $$  | $$| $$$$$$$$      |  $$$$$$\| $$$$$$$\\$$$$$$$$                                           //
//    | $$   \$$| $$__| $$| $$$\ /  $$$| $$__/ $$| $$__    | $$   \$$| $$__| $$| $$__          | $$__| $$| $$__| $$  | $$                                              //
//    | $$      | $$    $$| $$$$\  $$$$| $$    $$| $$  \   | $$      | $$    $$| $$  \         | $$    $$| $$    $$  | $$                                              //
//    | $$   __ | $$$$$$$$| $$\$$ $$ $$| $$$$$$$ | $$$$$   | $$   __ | $$$$$$$$| $$$$$         | $$$$$$$$| $$$$$$$\  | $$                                              //
//    | $$__/  \| $$  | $$| $$ \$$$| $$| $$      | $$_____ | $$__/  \| $$  | $$| $$_____       | $$  | $$| $$  | $$  | $$                                              //
//     \$$    $$| $$  | $$| $$  \$ | $$| $$      | $$     \ \$$    $$| $$  | $$| $$     \      | $$  | $$| $$  | $$  | $$                                              //
//      \$$$$$$  \$$   \$$ \$$      \$$ \$$       \$$$$$$$$  \$$$$$$  \$$   \$$ \$$$$$$$$       \$$   \$$ \$$   \$$   \$$                                              //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//     _______   __            __    __                __         ______              __                                        __              __                     //
//    |       \ |  \          |  \  |  \              |  \       /      \            |  \                                      |  \            |  \                    //
//    | $$$$$$$\ \$$  ______   \$$ _| $$_     ______  | $$      |  $$$$$$\  ______  _| $$_    __   __   __   ______    ______  | $$   __       | $$____   __    __     //
//    | $$  | $$|  \ /      \ |  \|   $$ \   |      \ | $$      | $$__| $$ /      \|   $$ \  |  \ |  \ |  \ /      \  /      \ | $$  /  \      | $$    \ |  \  |  \    //
//    | $$  | $$| $$|  $$$$$$\| $$ \$$$$$$    \$$$$$$\| $$      | $$    $$|  $$$$$$\\$$$$$$  | $$ | $$ | $$|  $$$$$$\|  $$$$$$\| $$_/  $$      | $$$$$$$\| $$  | $$    //
//    | $$  | $$| $$| $$  | $$| $$  | $$ __  /      $$| $$      | $$$$$$$$| $$   \$$ | $$ __ | $$ | $$ | $$| $$  | $$| $$   \$$| $$   $$       | $$  | $$| $$  | $$    //
//    | $$__/ $$| $$| $$__| $$| $$  | $$|  \|  $$$$$$$| $$      | $$  | $$| $$       | $$|  \| $$_/ $$_/ $$| $$__/ $$| $$      | $$$$$$\       | $$__/ $$| $$__/ $$    //
//    | $$    $$| $$ \$$    $$| $$   \$$  $$ \$$    $$| $$      | $$  | $$| $$        \$$  $$ \$$   $$   $$ \$$    $$| $$      | $$  \$$\      | $$    $$ \$$    $$    //
//     \$$$$$$$  \$$ _\$$$$$$$ \$$    \$$$$   \$$$$$$$ \$$       \$$   \$$ \$$         \$$$$   \$$$$$\$$$$   \$$$$$$  \$$       \$$   \$$       \$$$$$$$  _\$$$$$$$    //
//                  |  \__| $$                                                                                                                           |  \__| $$    //
//                   \$$    $$                                                                                                                            \$$    $$    //
//                    \$$$$$$                                                                                                                              \$$$$$$     //
//     _______   __                                     __                   ______             _______             __                                                 //
//    |       \ |  \                                   |  \                 /      \           |       \           |  \                                                //
//    | $$$$$$$\ \$$  _______  ______    ______    ____| $$  ______        |  $$$$$$\          | $$$$$$$\ __    __  \$$ ________                                       //
//    | $$__| $$|  \ /       \|      \  /      \  /      $$ /      \       | $$__| $$          | $$__| $$|  \  |  \|  \|        \                                      //
//    | $$    $$| $$|  $$$$$$$ \$$$$$$\|  $$$$$$\|  $$$$$$$|  $$$$$$\      | $$    $$          | $$    $$| $$  | $$| $$ \$$$$$$$$                                      //
//    | $$$$$$$\| $$| $$      /      $$| $$   \$$| $$  | $$| $$  | $$      | $$$$$$$$          | $$$$$$$\| $$  | $$| $$  /    $$                                       //
//    | $$  | $$| $$| $$_____|  $$$$$$$| $$      | $$__| $$| $$__/ $$      | $$  | $$ __       | $$  | $$| $$__/ $$| $$ /  $$$$_                                       //
//    | $$  | $$| $$ \$$     \\$$    $$| $$       \$$    $$ \$$    $$      | $$  | $$|  \      | $$  | $$ \$$    $$| $$|  $$    \                                      //
//     \$$   \$$ \$$  \$$$$$$$ \$$$$$$$ \$$        \$$$$$$$  \$$$$$$        \$$   \$$ \$$       \$$   \$$  \$$$$$$  \$$ \$$$$$$$$                                      //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
//                                                                                                                                                                     //
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////


contract CAPR is ERC721Creator {
    constructor() ERC721Creator("Campeche Art", "CAPR") {}
}

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 v4.6.0) (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 v4.5.0) (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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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.