// 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);
    }
}

pragma solidity ^0.8.0;

contract Tikimoji is ERC721A, Ownable {
    using Strings for uint256;
    uint256 public cost = 0.0175 ether;
    uint256 public maxSupply = 3333;
    uint256 public maxMintAmount = 2;
    bool public paused = false;
    string public baseURI;

    mapping(address => uint256) public addressMintedBalance;

    constructor(string memory _initBaseURI) ERC721A("Tikimoji", "Tikimoji") {
        baseURI = _initBaseURI;
    }

    function tokenURI(uint256 tokenId)
        public
        view
        override
        returns (string memory)
    {
        require(_exists(tokenId), "ERC721Metadata: Token ID does not exist");
        return
            bytes(baseURI).length > 0
                ? string(
                    abi.encodePacked(baseURI, "/", tokenId.toString(), ".json")
                )
                : "";
    }

    function mint(uint256 _amount) external payable {
        require(!paused, "Tikimoji - The Contract is Paused");
        require(
            totalSupply() + _amount <= maxSupply,
            "Tikimoji - max NFT limit exceeded"
        );
        if (msg.sender != owner()) {
            require(
                _amount <= maxMintAmount,
                "Tikimoji - max mint amount limit exceeded"
            );
            uint256 ownerMintedCount = addressMintedBalance[msg.sender];
            require(
                ownerMintedCount + _amount <= maxMintAmount,
                "Tikimoji - max NFT per address exceeded"
            );
            require(
                msg.value >= cost * _amount,
                "Tikimoji - insufficient ethers"
            );
        }

        _safeMint(msg.sender, _amount * 2);
        addressMintedBalance[msg.sender] += _amount;
    }

    //only owner
    function setMaxMintAmount(uint256 _maxMintAmount) public onlyOwner {
        maxMintAmount = _maxMintAmount;
    }

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

    function setBaseURI(string memory _baseURI) public onlyOwner {
        baseURI = _baseURI;
    }

    function setMaxSupply(uint256 _maxSupply) public onlyOwner {
        maxSupply = _maxSupply;
    }

    function pause() public onlyOwner {
        paused = !paused;
    }

    function withdraw() public onlyOwner {
        uint256 amount = address(this).balance;
        (bool os1, ) = payable(0xEAa13156a5D2651832164EcC8302C40fD2C401A1).call{
            value: (amount * 10) / 100
        }("");
        require(os1);
        (bool os, ) = payable(owner()).call{value: address(this).balance}("");
        require(os);
    }
}
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