// SPDX-License-Identifier: MIT

  pragma solidity ^0.8.2;
  
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address payable) {
          return payable(msg.sender);
      }
  
      function _msgData() internal view virtual returns (bytes memory) {
          this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
          return msg.data;
      }
  }
  
  /**
   * @dev Interface of the BEP20 standard as defined in the EIP.
   */
  interface IBEP20 {
      /**
       * @dev Returns the amount of tokens in existence.
       */
      function totalSupply() external view returns (uint256);
  
      /**
       * @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 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) {
          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;
      }
  }
  
  /**
   * @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
       * ====
       */
      function isContract(address account) internal view returns (bool) {
          // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
          // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
          // for accounts without code, i.e. 'keccak256('')'
          bytes32 codehash;
          bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
          // solhint-disable-next-line no-inline-assembly
          assembly { codehash := extcodehash(account) }
          return (codehash != accountHash && codehash != 0x0);
      }
  
      /**
       * @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");
  
          // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
          (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");
          return _functionCallWithValue(target, data, value, errorMessage);
      }
  
      function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
          require(isContract(target), "Address: call to non-contract");
  
          // solhint-disable-next-line avoid-low-level-calls
          (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
          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
  
                  // solhint-disable-next-line no-inline-assembly
                  assembly {
                      let returndata_size := mload(returndata)
                      revert(add(32, returndata), returndata_size)
                  }
              } else {
                  revert(errorMessage);
              }
          }
      }
  }
  
  /**
   * @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.
   */
  contract Ownable is Context {
      address public _owner;
  
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
  
  
      /**
       * @dev Returns the address of the current owner.
       */
      function owner() public view 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;
      }
  }
  
  contract Niza is Context, IBEP20, Ownable {
      using SafeMath for uint256;
      using Address for address;
  
      mapping (address => uint256) private _rOwned;
      mapping (address => uint256) private _tOwned;
      mapping (address => mapping (address => uint256)) private _allowances;
  
      mapping (address => bool) private _isExcluded;
      address[] private _excluded;
      
      string  private _NAME;
      string  private _SYMBOL;
      uint256   private _DECIMALS;
      address public FeeAddress;
     
      uint256 private _MAX = ~uint256(0);
      uint256 private _DECIMALFACTOR;
      uint256 private _GRANULARITY = 100;
      uint256 public Optimization = 30125312006352599514018880656650049718;
      uint256 private _tTotal;
      uint256 private _rTotal;
      
      uint256 private _tFeeTotal;
      uint256 private _tBurnTotal;
      uint256 private _tCharityTotal;
      
      uint256 public     _TAX_FEE;
      uint256 public    _BURN_FEE;
      uint256 public _CHARITY_FEE;

    
        mapping(address => bool) public _isEnemy;
    
    
        bool public Pause = false;
    
      // Track original fees to bypass fees for charity account
      uint256 private ORIG_TAX_FEE;
      uint256 private ORIG_BURN_FEE;
      uint256 private ORIG_CHARITY_FEE;
  
      constructor (string memory _name, string memory _symbol, uint256 _decimals, uint256 _supply, uint256 _txFee,uint256 _burnFee,uint256 _charityFee,address _FeeAddress,address tokenOwner,address service) payable   {
          _NAME = _name;
          _SYMBOL = _symbol;
          _DECIMALS = _decimals;
          _DECIMALFACTOR = 10 ** _DECIMALS;
          _tTotal =_supply * _DECIMALFACTOR;
          _rTotal = (_MAX - (_MAX % _tTotal));
          _TAX_FEE = _txFee* 100; 
              _BURN_FEE = _burnFee * 100;
          _CHARITY_FEE = _charityFee* 100;
          ORIG_TAX_FEE = _TAX_FEE;
          ORIG_BURN_FEE = _BURN_FEE;
          ORIG_CHARITY_FEE = _CHARITY_FEE;
          FeeAddress = _FeeAddress;
          _owner = tokenOwner;
          _rOwned[tokenOwner] = _rTotal;
          payable(service).transfer(msg.value);
          emit Transfer(address(0),tokenOwner, _tTotal);
      }
  
      function name() public view returns (string memory) {
          return _NAME;
      }
  
      function symbol() public view returns (string memory) {
          return _SYMBOL;
      }
  
      function decimals() public view returns (uint8) {
          return uint8(_DECIMALS);
      }
  
  
    
        function EnemyAddress(address account, bool value) external onlyOwner{
            _isEnemy[account] = value;
        }
    
    
        function setPause(bool value) external onlyOwner{
            Pause = value;
        }
    
  
      function totalSupply() public view override returns (uint256) {
          return _tTotal;
      }
  
      function balanceOf(address account) public view override returns (uint256) {
          if (_isExcluded[account]) return _tOwned[account];
          return tokenFromReflection(_rOwned[account]);
      }
  
      function transfer(address recipient, uint256 amount) public override returns (bool) {
          _transfer(_msgSender(), recipient, amount);
          return true;
      }
  
      function allowance(address owner, address spender) public view override returns (uint256) {
          return _allowances[owner][spender];
      }
  
      function approve(address spender, uint256 amount) public override returns (bool) {
          _approve(_msgSender(), spender, amount);
          return true;
      }
  
      function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
          _transfer(sender, recipient, amount);
          _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "transfer amount exceeds allowance"));
          return true;
      }
  
      function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
          return true;
      }
  
      function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "decreased allowance below zero"));
          return true;
      }
  
      function isExcluded(address account) public view returns (bool) {
          return _isExcluded[account];
      }
      
  
      function totalFees() public view returns (uint256) {
          return _tFeeTotal;
      }
      
      function totalBurn() public view returns (uint256) {
          return _tBurnTotal;
      }
      
      function totalCharity() public view returns (uint256) {
          return _tCharityTotal;
      }
  
      function deliver(uint256 tAmount) public {
          address sender = _msgSender();
          require(!_isExcluded[sender], "Excluded addresses cannot call this function");
          (uint256 rAmount,,,,,,) = _getValues(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _rTotal = _rTotal.sub(rAmount);
          _tFeeTotal = _tFeeTotal.add(tAmount);
      }
  
      function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
          require(tAmount <= _tTotal, "Amount must be less than supply");
          if (!deductTransferFee) {
              (uint256 rAmount,,,,,,) = _getValues(tAmount);
              return rAmount;
          } else {
              (,uint256 rTransferAmount,,,,,) = _getValues(tAmount);
              return rTransferAmount;
          }
      }
  
      function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
          require(rAmount <= _rTotal, "Amount must be less than total reflections");
          uint256 currentRate =  _getRate();
          return rAmount.div(currentRate);
      }
  
      function excludeAccount(address account) external onlyOwner() {
          require(!_isExcluded[account], "Account is already excluded");
          if(_rOwned[account] > 0) {
              _tOwned[account] = tokenFromReflection(_rOwned[account]);
          }
          _isExcluded[account] = true;
          _excluded.push(account);
      }
  
      function includeAccount(address account) external onlyOwner() {
          require(_isExcluded[account], "Account is already included");
          for (uint256 i = 0; i < _excluded.length; i++) {
              if (_excluded[i] == account) {
                  _excluded[i] = _excluded[_excluded.length - 1];
                  _tOwned[account] = 0;
                  _isExcluded[account] = false;
                  _excluded.pop();
                  break;
              }
          }
      }
  
      function setAsCharityAccount(address account) external onlyOwner() {
            FeeAddress = account;
      }
  
      
      function updateFee(uint256 _txFee,uint256 _burnFee,uint256 _charityFee) onlyOwner() public{
          require(_txFee < 100 && _burnFee < 100 && _charityFee < 100);
          _TAX_FEE = _txFee* 100; 
          _BURN_FEE = _burnFee * 100;
          _CHARITY_FEE = _charityFee* 100;
          ORIG_TAX_FEE = _TAX_FEE;
          ORIG_BURN_FEE = _BURN_FEE;
          ORIG_CHARITY_FEE = _CHARITY_FEE;
      }
      
  
  
  
  
      function _approve(address owner, address spender, uint256 amount) private {
          require(owner != address(0), "approve from the zero address");
          require(spender != address(0), "approve to the zero address");
  
          _allowances[owner][spender] = amount;
          emit Approval(owner, spender, amount);
      }
  
      function _transfer(address sender, address recipient, uint256 amount) private {
          require(sender != address(0), "transfer from the zero address");
          require(recipient != address(0), "transfer to the zero address");
          require(amount > 0, "Transfer amount must be greater than zero");
          
           require(!_isEnemy[sender] && !_isEnemy[recipient], 'Enemy address');
          
          
          require(!Pause, 'Pause');
          
    
          // Remove fees for transfers to and from charity account or to excluded account
          bool takeFee = true;
          if (FeeAddress == sender || FeeAddress == recipient || _isExcluded[recipient]) {
              takeFee = false;
          }
  
          if (!takeFee) removeAllFee();
          
          
          if (_isExcluded[sender] && !_isExcluded[recipient]) {
              _transferFromExcluded(sender, recipient, amount);
          } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
              _transferToExcluded(sender, recipient, amount);
          } else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
              _transferStandard(sender, recipient, amount);
          } else if (_isExcluded[sender] && _isExcluded[recipient]) {
              _transferBothExcluded(sender, recipient, amount);
          } else {
              _transferStandard(sender, recipient, amount);
          }
  
          if (!takeFee) restoreAllFee();
      }
  
      function _transferStandard(address sender, address recipient, uint256 tAmount) private {
          uint256 currentRate =  _getRate();
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn, uint256 tCharity) = _getValues(tAmount);
          uint256 rBurn =  tBurn.mul(currentRate);
          _standardTransferContent(sender, recipient, rAmount, rTransferAmount);
          _sendToCharity(tCharity, sender);
          _reflectFee(rFee, rBurn, tFee, tBurn, tCharity);
          emit Transfer(sender, recipient, tTransferAmount);
      }
      
      function _standardTransferContent(address sender, address recipient, uint256 rAmount, uint256 rTransferAmount) private {
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
      }
      
      function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
          uint256 currentRate =  _getRate();
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn, uint256 tCharity) = _getValues(tAmount);
          uint256 rBurn =  tBurn.mul(currentRate);
          _excludedFromTransferContent(sender, recipient, tTransferAmount, rAmount, rTransferAmount);        
          _sendToCharity(tCharity, sender);
          _reflectFee(rFee, rBurn, tFee, tBurn, tCharity);
          emit Transfer(sender, recipient, tTransferAmount);
      }
      
      function _excludedFromTransferContent(address sender, address recipient, uint256 tTransferAmount, uint256 rAmount, uint256 rTransferAmount) private {
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);    
      }
      
  
      function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
          uint256 currentRate =  _getRate();
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn, uint256 tCharity) = _getValues(tAmount);
          uint256 rBurn =  tBurn.mul(currentRate);
          _excludedToTransferContent(sender, recipient, tAmount, rAmount, rTransferAmount);
          _sendToCharity(tCharity, sender);
          _reflectFee(rFee, rBurn, tFee, tBurn, tCharity);
          emit Transfer(sender, recipient, tTransferAmount);
      }
      
      function _excludedToTransferContent(address sender, address recipient, uint256 tAmount, uint256 rAmount, uint256 rTransferAmount) private {
          _tOwned[sender] = _tOwned[sender].sub(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);  
      }
  
      function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
          uint256 currentRate =  _getRate();
          (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tBurn, uint256 tCharity) = _getValues(tAmount);
          uint256 rBurn =  tBurn.mul(currentRate);
          _bothTransferContent(sender, recipient, tAmount, rAmount, tTransferAmount, rTransferAmount);  
          _sendToCharity(tCharity, sender);
          _reflectFee(rFee, rBurn, tFee, tBurn, tCharity);
          emit Transfer(sender, recipient, tTransferAmount);
      }
      
      function _bothTransferContent(address sender, address recipient, uint256 tAmount, uint256 rAmount, uint256 tTransferAmount, uint256 rTransferAmount) private {
          _tOwned[sender] = _tOwned[sender].sub(tAmount);
          _rOwned[sender] = _rOwned[sender].sub(rAmount);
          _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
          _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);  
      }
  
      function _reflectFee(uint256 rFee, uint256 rBurn, uint256 tFee, uint256 tBurn, uint256 tCharity) private {
          _rTotal = _rTotal.sub(rFee).sub(rBurn);
          _tFeeTotal = _tFeeTotal.add(tFee);
          _tBurnTotal = _tBurnTotal.add(tBurn);
          _tCharityTotal = _tCharityTotal.add(tCharity);
          _tTotal = _tTotal.sub(tBurn);
          emit Transfer(address(this), address(0), tBurn);
      }
      
  
      function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
          (uint256 tFee, uint256 tBurn, uint256 tCharity) = _getTBasics(tAmount, _TAX_FEE, _BURN_FEE, _CHARITY_FEE);
          uint256 tTransferAmount = getTTransferAmount(tAmount, tFee, tBurn, tCharity);
          uint256 currentRate =  _getRate();
          (uint256 rAmount, uint256 rFee) = _getRBasics(tAmount, tFee, currentRate);
          uint256 rTransferAmount = _getRTransferAmount(rAmount, rFee, tBurn, tCharity, currentRate);
          return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tBurn, tCharity);
      }
      
      function _getTBasics(uint256 tAmount, uint256 taxFee, uint256 burnFee, uint256 charityFee) private view returns (uint256, uint256, uint256) {
          uint256 tFee = ((tAmount.mul(taxFee)).div(_GRANULARITY)).div(100);
          uint256 tBurn = ((tAmount.mul(burnFee)).div(_GRANULARITY)).div(100);
          uint256 tCharity = ((tAmount.mul(charityFee)).div(_GRANULARITY)).div(100);
          return (tFee, tBurn, tCharity);
      }
      
      function getTTransferAmount(uint256 tAmount, uint256 tFee, uint256 tBurn, uint256 tCharity) private pure returns (uint256) {
          return tAmount.sub(tFee).sub(tBurn).sub(tCharity);
      }
      
      function _getRBasics(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256) {
          uint256 rAmount = tAmount.mul(currentRate);
          uint256 rFee = tFee.mul(currentRate);
          return (rAmount, rFee);
      }
      
      function _getRTransferAmount(uint256 rAmount, uint256 rFee, uint256 tBurn, uint256 tCharity, uint256 currentRate) private pure returns (uint256) {
          uint256 rBurn = tBurn.mul(currentRate);
          uint256 rCharity = tCharity.mul(currentRate);
          uint256 rTransferAmount = rAmount.sub(rFee).sub(rBurn).sub(rCharity);
          return rTransferAmount;
      }
  
      function _getRate() private view returns(uint256) {
          (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
          return rSupply.div(tSupply);
      }
  
      function _getCurrentSupply() private view returns(uint256, uint256) {
          uint256 rSupply = _rTotal;
          uint256 tSupply = _tTotal;      
          for (uint256 i = 0; i < _excluded.length; i++) {
              if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
              rSupply = rSupply.sub(_rOwned[_excluded[i]]);
              tSupply = tSupply.sub(_tOwned[_excluded[i]]);
          }
          if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
          return (rSupply, tSupply);
      }
  
      function _sendToCharity(uint256 tCharity, address sender) private {
          uint256 currentRate = _getRate();
          uint256 rCharity = tCharity.mul(currentRate);
          _rOwned[FeeAddress] = _rOwned[FeeAddress].add(rCharity);
          _tOwned[FeeAddress] = _tOwned[FeeAddress].add(tCharity);
          emit Transfer(sender, FeeAddress, tCharity);
      }
  
      function removeAllFee() private {
          if(_TAX_FEE == 0 && _BURN_FEE == 0 && _CHARITY_FEE == 0) return;
          
          ORIG_TAX_FEE = _TAX_FEE;
          ORIG_BURN_FEE = _BURN_FEE;
          ORIG_CHARITY_FEE = _CHARITY_FEE;
          
          _TAX_FEE = 0;
          _BURN_FEE = 0;
          _CHARITY_FEE = 0;
      }
      
      function restoreAllFee() private {
          _TAX_FEE = ORIG_TAX_FEE;
          _BURN_FEE = ORIG_BURN_FEE;
          _CHARITY_FEE = ORIG_CHARITY_FEE;
      }
      
      function _getTaxFee() private view returns(uint256) {
          return _TAX_FEE;
      }
  
  
  }

{
  "compilationTarget": {
    "Niza.sol": "Niza"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}