Forkchoice Ethereum Mainnet

Address Contract Partially Verified

Address 0x84f88d40B36AA01e89009c577B97dDAAc98ef53c
Balance 0 ETH
Nonce 1
Code Size 9643 bytes
Indexed Transactions 0 (1 on-chain, 1.2% indexed)
External Etherscan · Sourcify

Contract Bytecode

9643 bytes
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

Verified Source Code Partial Match

Compiler: v0.8.7+commit.e28d00a7 EVM: london Optimization: Yes (200 runs)
TheArabs.sol 1478 lines
/**
.___________. __    __   _______         ___      .______          ___      .______        _______.
|           ||  |  |  | |   ____|       /   \     |   _  \        /   \     |   _  \      /       |
`---|  |----`|  |__|  | |  |__         /  ^  \    |  |_)  |      /  ^  \    |  |_)  |    |   (----`
    |  |     |   __   | |   __|       /  /_\  \   |      /      /  /_\  \   |   _  <      \   \    
    |  |     |  |  |  | |  |____     /  _____  \  |  |\  \----./  _____  \  |  |_)  | .----)   |   
    |__|     |__|  |__| |_______|   /__/     \__\ | _| `._____/__/     \__\ |______/  |_______/                                                                                                       
*/
// @author divergence.xyz
// SPDX-License-Identifier: MIT 
// File: @openzeppelin/contracts/utils/Strings.sol
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// File: @openzeppelin/contracts/utils/Address.sol


// 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: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol


// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// File: @openzeppelin/contracts/utils/introspection/IERC165.sol


// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// File: @openzeppelin/contracts/utils/introspection/ERC165.sol


// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;


/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol


// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;


/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

// File: @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol


// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;


/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// File: @openzeppelin/contracts/utils/Context.sol


// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// File: erc721a/contracts/ERC721A.sol


// Creator: Chiru Labs

pragma solidity ^0.8.4;








error ApprovalCallerNotOwnerNorApproved();
error ApprovalQueryForNonexistentToken();
error ApproveToCaller();
error ApprovalToCurrentOwner();
error BalanceQueryForZeroAddress();
error MintToZeroAddress();
error MintZeroQuantity();
error OwnerQueryForNonexistentToken();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TransferToNonERC721ReceiverImplementer();
error TransferToZeroAddress();
error URIQueryForNonexistentToken();

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension. Built to optimize for lower gas during batch mints.
 *
 * Assumes serials are sequentially minted starting at _startTokenId() (defaults to 0, e.g. 0, 1, 2, 3..).
 *
 * Assumes that an owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 *
 * Assumes that the maximum token id cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Compiler will pack this into a single 256bit word.
    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Keeps track of the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
    }

    // Compiler will pack this into a single 256bit word.
    struct AddressData {
        // Realistically, 2**64-1 is more than enough.
        uint64 balance;
        // Keeps track of mint count with minimal overhead for tokenomics.
        uint64 numberMinted;
        // Keeps track of burn count with minimal overhead for tokenomics.
        uint64 numberBurned;
        // For miscellaneous variable(s) pertaining to the address
        // (e.g. number of whitelist mint slots used).
        // If there are multiple variables, please pack them into a uint64.
        uint64 aux;
    }

    // The tokenId of the next token to be minted.
    uint256 internal _currentIndex;

    // The number of tokens burned.
    uint256 internal _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned. See _ownershipOf implementation for details.
    mapping(uint256 => TokenOwnership) internal _ownerships;

    // Mapping owner address to address data
    mapping(address => AddressData) private _addressData;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    /**
     * To change the starting tokenId, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Burned tokens are calculated here, use _totalMinted() if you want to count just minted tokens.
     */
    function totalSupply() public view returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than _currentIndex - _startTokenId() times
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view returns (uint256) {
        // Counter underflow is impossible as _currentIndex does not decrement,
        // and it is initialized to _startTokenId()
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return uint256(_addressData[owner].balance);
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberMinted);
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return uint256(_addressData[owner].numberBurned);
    }

    /**
     * Returns the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return _addressData[owner].aux;
    }

    /**
     * Sets the auxillary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal {
        _addressData[owner].aux = aux;
    }

    /**
     * Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around in the collection over time.
     */
    function _ownershipOf(uint256 tokenId) internal view returns (TokenOwnership memory) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr && curr < _currentIndex) {
                TokenOwnership memory ownership = _ownerships[curr];
                if (!ownership.burned) {
                    if (ownership.addr != address(0)) {
                        return ownership;
                    }
                    // Invariant:
                    // There will always be an ownership that has an address and is not burned
                    // before an ownership that does not have an address and is not burned.
                    // Hence, curr will not underflow.
                    while (true) {
                        curr--;
                        ownership = _ownerships[curr];
                        if (ownership.addr != address(0)) {
                            return ownership;
                        }
                    }
                }
            }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view override returns (address) {
        return _ownershipOf(tokenId).addr;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overriden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public override {
        address owner = ERC721A.ownerOf(tokenId);
        if (to == owner) revert ApprovalToCurrentOwner();

        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {
            revert ApprovalCallerNotOwnerNorApproved();
        }

        _approve(to, tokenId, owner);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        if (operator == _msgSender()) revert ApproveToCaller();

        _operatorApprovals[_msgSender()][operator] = approved;
        emit ApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        _transfer(from, to, tokenId);
        if (to.isContract() && !_checkContractOnERC721Received(from, to, tokenId, _data)) {
            revert TransferToNonERC721ReceiverImplementer();
        }
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     */
    function _exists(uint256 tokenId) internal view returns (bool) {
        return _startTokenId() <= tokenId && tokenId < _currentIndex && !_ownerships[tokenId].burned;
    }

    function _safeMint(address to, uint256 quantity) internal {
        _safeMint(to, quantity, '');
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal {
        _mint(to, quantity, _data, true);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event.
     */
    function _mint(
        address to,
        uint256 quantity,
        bytes memory _data,
        bool safe
    ) internal {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // balance or numberMinted overflow if current value of either + quantity > 1.8e19 (2**64) - 1
        // updatedIndex overflows if _currentIndex + quantity > 1.2e77 (2**256) - 1
        unchecked {
            _addressData[to].balance += uint64(quantity);
            _addressData[to].numberMinted += uint64(quantity);

            _ownerships[startTokenId].addr = to;
            _ownerships[startTokenId].startTimestamp = uint64(block.timestamp);

            uint256 updatedIndex = startTokenId;
            uint256 end = updatedIndex + quantity;

            if (safe && to.isContract()) {
                do {
                    emit Transfer(address(0), to, updatedIndex);
                    if (!_checkContractOnERC721Received(address(0), to, updatedIndex++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (updatedIndex != end);
                // Reentrancy protection
                if (_currentIndex != startTokenId) revert();
            } else {
                do {
                    emit Transfer(address(0), to, updatedIndex++);
                } while (updatedIndex != end);
            }
            _currentIndex = updatedIndex;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) private {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        if (prevOwnership.addr != from) revert TransferFromIncorrectOwner();

        bool isApprovedOrOwner = (_msgSender() == from ||
            isApprovedForAll(from, _msgSender()) ||
            getApproved(tokenId) == _msgSender());

        if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            _addressData[from].balance -= 1;
            _addressData[to].balance += 1;

            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = to;
            currSlot.startTimestamp = uint64(block.timestamp);

            // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev This is equivalent to _burn(tokenId, false)
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        TokenOwnership memory prevOwnership = _ownershipOf(tokenId);

        address from = prevOwnership.addr;

        if (approvalCheck) {
            bool isApprovedOrOwner = (_msgSender() == from ||
                isApprovedForAll(from, _msgSender()) ||
                getApproved(tokenId) == _msgSender());

            if (!isApprovedOrOwner) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId, from);

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as tokenId would have to be 2**256.
        unchecked {
            AddressData storage addressData = _addressData[from];
            addressData.balance -= 1;
            addressData.numberBurned += 1;

            // Keep track of who burned the token, and the timestamp of burning.
            TokenOwnership storage currSlot = _ownerships[tokenId];
            currSlot.addr = from;
            currSlot.startTimestamp = uint64(block.timestamp);
            currSlot.burned = true;

            // If the ownership slot of tokenId+1 is not explicitly set, that means the burn initiator owns it.
            // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.
            uint256 nextTokenId = tokenId + 1;
            TokenOwnership storage nextSlot = _ownerships[nextTokenId];
            if (nextSlot.addr == address(0)) {
                // This will suffice for checking _exists(nextTokenId),
                // as a burned slot cannot contain the zero address.
                if (nextTokenId != _currentIndex) {
                    nextSlot.addr = from;
                    nextSlot.startTimestamp = prevOwnership.startTimestamp;
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(
        address to,
        uint256 tokenId,
        address owner
    ) private {
        _tokenApprovals[tokenId] = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
            return retval == IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes
     * minting.
     * And also called after one token has been burned.
     *
     * startTokenId - the first token id to be transferred
     * quantity - the amount to be transferred
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}
}

// File: @openzeppelin/contracts/access/Ownable.sol


// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;


/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: contracts/TheArabs.sol


pragma solidity >=0.8.0 <0.9.0;





contract TheArabs is ERC721A, Ownable { 

  using Strings for uint256;

  string public uriPrefix = "ipfs://Qmbuh4zu93c4U6dzyT6bdiosi1sPoq7zStuxmbcjgmoYsH/";
  string public uriSuffix = ".json"; 
  string public hiddenMetadataUri;
  
  uint256 public cost = 0.003 ether; 

  uint256 public maxSupply = 5555; 
  uint256 public maxMintAmountPerTx = 10; 
  uint256 public totalMaxMintAmount = 11; 

  uint256 public freeMaxMintAmount = 1; 

  bool public paused = true;
  bool public publicSale = false;
  bool public revealed = true;

  mapping(address => uint256) public addressMintedBalance; 

  constructor() ERC721A("TheArabs", "Arabs") { 
        setHiddenMetadataUri("ipfs://__CID__/hidden.json"); 
            ownerMint(50); 
    } 

  // MODIFIERS 
  
  modifier mintCompliance(uint256 _mintAmount) {
    if (msg.sender != owner()) { 
        require(_mintAmount > 0 && _mintAmount <= maxMintAmountPerTx, 'Invalid mint amount!');
    }
    require(totalSupply() + _mintAmount <= maxSupply, 'Max supply exceeded!');
    _;
  } 

  modifier mintPriceCompliance(uint256 _mintAmount) {
    uint256 ownerMintedCount = addressMintedBalance[msg.sender];
   if (ownerMintedCount >= freeMaxMintAmount) {
        require(msg.value >= cost * _mintAmount, 'Insufficient funds!');
   }
        _;
  }

  // MINTS 

   function mint(uint256 _mintAmount) public payable mintCompliance(_mintAmount) mintPriceCompliance(_mintAmount) {
    require(!paused, 'The contract is paused!'); 
    require(publicSale, "Not open to public yet!");
    uint256 ownerMintedCount = addressMintedBalance[msg.sender];

    if (ownerMintedCount < freeMaxMintAmount) {  
            require(ownerMintedCount + _mintAmount <= freeMaxMintAmount, "Exceeded Free Mint Limit");
        } else if (ownerMintedCount >= freeMaxMintAmount) { 
            require(ownerMintedCount + _mintAmount <= totalMaxMintAmount, "Exceeded Mint Limit");
        }

    _safeMint(_msgSender(), _mintAmount);
    for (uint256 i = 1; i <=_mintAmount; i++){
        addressMintedBalance[msg.sender]++;
    }
  }

  function ownerMint(uint256 _mintAmount) public payable onlyOwner {
     require(_mintAmount > 0, 'Invalid mint amount!');
     require(totalSupply() + _mintAmount <= maxSupply, 'Max supply exceeded!');
    _safeMint(_msgSender(), _mintAmount);
  }

function mintForAddress(uint256 _mintAmount, address _receiver) public mintCompliance(_mintAmount) onlyOwner {
    _safeMint(_receiver, _mintAmount);
  }
  
  function walletOfOwner(address _owner) public view returns (uint256[] memory) {
    uint256 ownerTokenCount = balanceOf(_owner);
    uint256[] memory ownedTokenIds = new uint256[](ownerTokenCount);
    uint256 currentTokenId = _startTokenId();
    uint256 ownedTokenIndex = 0;
    address latestOwnerAddress;

    while (ownedTokenIndex < ownerTokenCount && currentTokenId <= maxSupply) {
      TokenOwnership memory ownership = _ownerships[currentTokenId];

      if (!ownership.burned && ownership.addr != address(0)) {
        latestOwnerAddress = ownership.addr;
      }

      if (latestOwnerAddress == _owner) {
        ownedTokenIds[ownedTokenIndex] = currentTokenId;

        ownedTokenIndex++;
      }

      currentTokenId++;
    }

    return ownedTokenIds;
  }

  function _startTokenId() internal view virtual override returns (uint256) {
    return 1;
  }

  function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) {
    require(_exists(_tokenId), 'ERC721Metadata: URI query for nonexistent token');

    if (revealed == false) {
      return hiddenMetadataUri;
    }

    string memory currentBaseURI = _baseURI();
    return bytes(currentBaseURI).length > 0
        ? string(abi.encodePacked(currentBaseURI, _tokenId.toString(), uriSuffix))
        : '';
  }

  function setRevealed(bool _state) public onlyOwner {
    revealed = _state;
  }

  function setCost(uint256 _cost) public onlyOwner {
    cost = _cost; 
  }

   function setFreeMaxMintAmount(uint256 _freeMaxMintAmount) public onlyOwner {
    freeMaxMintAmount = _freeMaxMintAmount; 
  }

  function setTotalMaxMintAmount(uint _amount) public onlyOwner {
      require(_amount <= maxSupply, "Exceed total amount");
      totalMaxMintAmount = _amount;
  }

  function setMaxMintAmountPerTx(uint256 _maxMintAmountPerTx) pu...

// [truncated — 50883 bytes total]

Read Contract

addressMintedBalance 0x18cae269 → uint256
balanceOf 0x70a08231 → uint256
cost 0x13faede6 → uint256
freeMaxMintAmount 0x1159aca4 → uint256
getApproved 0x081812fc → address
hiddenMetadataUri 0xa45ba8e7 → string
isApprovedForAll 0xe985e9c5 → bool
maxMintAmountPerTx 0x94354fd0 → uint256
maxSupply 0xd5abeb01 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
ownerOf 0x6352211e → address
paused 0x5c975abb → bool
publicSale 0x33bc1c5c → bool
revealed 0x51830227 → bool
supportsInterface 0x01ffc9a7 → bool
symbol 0x95d89b41 → string
tokenURI 0xc87b56dd → string
totalMaxMintAmount 0xe4386d26 → uint256
totalSupply 0x18160ddd → uint256
uriPrefix 0x62b99ad4 → string
uriSuffix 0x5503a0e8 → string
walletOfOwner 0x438b6300 → uint256[]

Write Contract 21 functions

These functions modify contract state and require a wallet transaction to execute.

approve 0x095ea7b3
address to
uint256 tokenId
mint 0xa0712d68
uint256 _mintAmount
mintForAddress 0xefbd73f4
uint256 _mintAmount
address _receiver
ownerMint 0xf19e75d4
uint256 _mintAmount
renounceOwnership 0x715018a6
No parameters
safeTransferFrom 0x42842e0e
address from
address to
uint256 tokenId
safeTransferFrom 0xb88d4fde
address from
address to
uint256 tokenId
bytes _data
setApprovalForAll 0xa22cb465
address operator
bool approved
setCost 0x44a0d68a
uint256 _cost
setFreeMaxMintAmount 0xd4fcb2ae
uint256 _freeMaxMintAmount
setHiddenMetadataUri 0x4fdd43cb
string _hiddenMetadataUri
setMaxMintAmountPerTx 0xb071401b
uint256 _maxMintAmountPerTx
setPaused 0x16c38b3c
bool _state
setPublicSale 0x5aca1bb6
bool _state
setRevealed 0xe0a80853
bool _state
setTotalMaxMintAmount 0x1042779c
uint256 _amount
setUriPrefix 0x7ec4a659
string _uriPrefix
setUriSuffix 0x16ba10e0
string _uriSuffix
transferFrom 0x23b872dd
address from
address to
uint256 tokenId
transferOwnership 0xf2fde38b
address newOwner
withdraw 0x3ccfd60b
No parameters

Recent Transactions

This address has 1 on-chain transactions, but only 1.2% of the chain is indexed. Transactions will appear as indexing progresses. View on Etherscan →