// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
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);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity  ^0.8.7;

import "./Context.sol";
import "./IERC20.sol";
import "./Ownable.sol";
import "./Address.sol";
import "./SafeMath.sol";


//An interface contract to interact with VRF random number generate "chainLink"

interface RNG{
    function getRandomNumber() external;
    function randomResult() view external returns (uint256);
}

contract BlueSparrow is Context, IERC20, 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;
   
    uint256 private constant MAX = ~uint256(0);
    uint256 private constant _tTotal = 10**17 * 10**9 ;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;

    string private _name = "BlueSparrowToken";
    string private _symbol = "BlueSparrow";
    uint8  private _decimals = 9;

           
    //Array for store list of eligible holders for draw
    
    address[] public _DrawHolders;                             


    //To make sure not duplicate an address in draw holders
    
    mapping (address => bool) private _ExistInDrawHolders;


    // fees; Total fee = 5%

    uint256 private _marketingFee    = 50;         // 0.5%     marketing fee 
    uint256 private _burnFee         = 100;        // 1%       burn 
    uint256 private _charityFee      = 50;         // 0.5%     charity
    uint256 private _reward          = 200;        // 2%       Public reward
    uint256 private _draw            = 45;         // 0.45%    daily and weekly draw
    uint256 private _mounthlyDraw    = 5;          // 0.05%    mounthly draw
    uint256 private _devFee          = 50;         // 0.5%     dev wallet        




    // Addresses for store fee & burn Address
     
    address public  marketingWallet;
    address public  charityWallet;
    address public  mounthlyDrawWallet;             // An address that Accumulate fee for mounthly draw
    address public  devWallet;
    address private immutable burnAddress = 0x000000000000000000000000000000000000dEaD;
    

    // A struct data type for fees
    
    struct feeData {

        uint256 rAmount;
        uint256 rTransferAmount;
        uint256 rReward;
        uint256 rMarketing;
        uint256 rBurn;
        uint256 rDraw;
        uint256 rCharity;
        uint256 rDev;
        uint256 rMounthlyDraw;

        uint256 tAmount;
        uint256 tTransferAmount;
        uint256 tReward;
        uint256 tMarketing;
        uint256 tBurn;
        uint256 tDraw;
        uint256 tCharity;
        uint256 tDev;
        uint256 tMounthlyDraw;

        uint256 currentRate;
    } 
      
    // Maximum transaction amount  
     
    uint256 public _maxTxAmount; 

    // Minimum number of token to be eligible for draw 

    uint256 public _minCoAmount;
    
    
    // RNG Instance 
    
    RNG _RNG;

    //Constructor that feed VRF contract Address, and et.

    constructor(address VRFcontractAddress, address _marketingWallet, address _charityWallet, address _mounthlyDrawWallet, address _devWallet, uint256 minCoAmount)  {
           
       _rOwned[_msgSender()] = _rTotal;
       emit Transfer(address(0), _msgSender(), _tTotal);

       _RNG = RNG(VRFcontractAddress);

       marketingWallet      = _marketingWallet;
       charityWallet        = _charityWallet;
       mounthlyDrawWallet   = _mounthlyDrawWallet;
       devWallet            = _devWallet;
       _minCoAmount         = minCoAmount;
 
    }   
   
      
   

    //the ERC20 function's 

    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 _decimals;
    }

    function totalSupply() public pure 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, "ERC20: 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, "ERC20: 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;
    }

    //Set minimum number of token for draw

    function setMinCoAmount(uint256 minCoAmount) external onlyOwner(){
        _minCoAmount = minCoAmount.mul(10**9);
    }
    
    
    function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
        _maxTxAmount = _tTotal.mul(maxTxPercent).div(
            10**4
        );
    }

    function changeAddresses(address _marketingWallet, address _charityWallet, address _mounthlyDrawWallet, address _devWallet ) public onlyOwner() {
        marketingWallet      = _marketingWallet;
        charityWallet        = _charityWallet;
        mounthlyDrawWallet   = _mounthlyDrawWallet;
        devWallet            = _devWallet;
    }

    function reflect(uint256 tAmount) public {
        address sender = _msgSender();
        require(!_isExcluded[sender], "Excluded addresses cannot call this function");
        feeData memory fd = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(fd.rAmount);
        _rTotal = _rTotal.sub(fd.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) {
           feeData memory fd = _getValues(tAmount);
            return fd.rAmount;
        } else {
            feeData memory fd = _getValues(tAmount);
            return fd.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 excluded");
        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 _approve(address owner, address spender, uint256 amount) private {
        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);
    }

   function takeTransactionFee(address to, uint256 tAmount, uint256 currentRate) private {
        if (tAmount <= 0) { return; }

        uint256 rAmount = tAmount.mul(currentRate);
        _rOwned[to] = _rOwned[to].add(rAmount);
        if (_isExcluded[to]) {
            _tOwned[to] = _tOwned[to].add(tAmount);
        }
    }

    function calculateFee(uint256 amount, uint256 _fee) private pure returns (uint256) {
        return amount.mul(_fee).div(10000);
    }

    // note:the draw mechanism will randomly choose 7 addresses from eligible holders

         

    uint256 public randomResult;                       // Store VRF random number 
    uint256 public _accumulatedDailyReward;            // Accumulated Daily reward 
    uint256 public _accumulatedWeeklyReward;           // Accumulated weekly Reward
    uint256[] private _indexOfWinners ;                // Index of winner 
    address[] public _Winners;                         // Daily and weekly Winners addresses
    

    function takeDrawFee(uint256 tDraw) private {

        _accumulatedDailyReward  = _accumulatedDailyReward.add(tDraw.mul(7).div(9));
        _accumulatedWeeklyReward = _accumulatedWeeklyReward.add(tDraw.mul(2).div(9));
    }

     
   //An instance of RNG contract interface
   
   
    
    function getRandomNumber() public onlyOwner() {
        _RNG.getRandomNumber();
    }

    function getResult() public onlyOwner() returns(uint256){
        return randomResult = _RNG.randomResult();
    }

    function pickIndexOfWinners() public onlyOwner() {

       uint256[] memory indexOfWinners = new uint256[](7);
     
        for (uint256 i = 0; i < 7; i++) {
          indexOfWinners[i] = (uint256(keccak256(abi.encode(randomResult, i)))% _DrawHolders.length);
        }

        _indexOfWinners = indexOfWinners;
    } 
    

    function pickWinners() public onlyOwner() {
        address[] memory Winners = new address[](7);
        
        for (uint256 i= 0; i < 7; i++){
            Winners[i] = _DrawHolders[_indexOfWinners[i]];
        }
        
        _Winners = Winners;
        delete _indexOfWinners;
     }
    
    
    //Transfer Reward to Daily Winners
        
    function _enterDaWinReward() public onlyOwner() {  
        
        uint256 currentRate =  _getRate();
        
        for (uint256 i = 0; i < 7; i++) {
         _rOwned[_Winners[i]] = _rOwned[_Winners[i]].add(_accumulatedDailyReward.div(7).mul(currentRate));
        }
        
        delete _Winners;
        _accumulatedDailyReward = 0;
    }

    //Transfer Reward to Weekly Winners

    function _enterWeWinReward() public onlyOwner() {
        
        uint256 currentRate =  _getRate();
        
         for (uint256 i = 0; i < 7; i++) {
         _rOwned[_Winners[i]] = _rOwned[_Winners[i]].add(_accumulatedWeeklyReward.div(7).mul(currentRate));
          
        }
        
        delete _Winners;
        _accumulatedWeeklyReward = 0;
        
        
    }  
     

    function _transfer(address sender, address recipient, uint256 amount) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        if(sender != owner() && recipient != owner())
          require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
            
        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);
        }
    }

    
    
    //Exclude from draw array

     function ExcludeFEA (address _address) private {
         for (uint256 j = 0; j < _DrawHolders.length; j++) {
                  if( _DrawHolders[j] == _address){
                  _DrawHolders[j] = _DrawHolders[_DrawHolders.length - 1];
                  _ExistInDrawHolders[_address] = false;
                  _DrawHolders.pop();
                 break;
            }
        }
    }
                    
    // Once array stored, "checkState" will check the eligible account for any further transfer               
     
       
    address[2] _addresses;
    
    function checkState() private {
            
        for(uint256 i=0; i<2; i++){

            if( _minCoAmount <= tokenFromReflection(_rOwned[_addresses[i]]) && !_ExistInDrawHolders[_addresses[i]]) {
               
                _DrawHolders.push(_addresses[i]);
                _ExistInDrawHolders[_addresses[i]] = true;
               } 
                 else if (tokenFromReflection(_rOwned[_addresses[i]]) < _minCoAmount && _ExistInDrawHolders[_addresses[i]]){
                             ExcludeFEA(_addresses[i]);               
            } 
        } 
        delete _addresses;
    }
    

    function _transferStandard(address sender, address recipient, uint256 tAmount) private {

        feeData memory fd = _getValues(tAmount);
        
        
        _rOwned[sender] = _rOwned[sender].sub(fd.rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(fd.rTransferAmount);    

        takeTransactionFee(address(charityWallet), fd.tCharity, fd.currentRate);
        takeTransactionFee(address(marketingWallet), fd.tMarketing, fd.currentRate);
        takeTransactionFee(address(burnAddress), fd.tBurn, fd.currentRate); 
        takeTransactionFee(address(mounthlyDrawWallet), fd.tDraw, fd.currentRate);
        takeTransactionFee(address(devWallet), fd.tDev, fd.currentRate);

        takeDrawFee(fd.tDraw);

        _reflectFee(fd.rReward, fd.tReward);
        emit Transfer(sender, recipient, fd.tTransferAmount);

        //check and update state of sender & recipient
        
        _addresses[0] = sender;
        _addresses[1] = recipient;
        
        checkState();
        
    }  

     
           


    function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
      feeData memory fd = _getValues(tAmount);

        _rOwned[sender] = _rOwned[sender].sub(fd.rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(fd.tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(fd.rTransferAmount);

        takeTransactionFee(address(charityWallet), fd.tCharity, fd.currentRate);
        takeTransactionFee(address(marketingWallet), fd.tMarketing, fd.currentRate);
        takeTransactionFee(address(burnAddress), fd.tBurn, fd.currentRate); 
        takeTransactionFee(address(mounthlyDrawWallet), fd.tMounthlyDraw, fd.currentRate);
        takeTransactionFee(address(devWallet), fd.tDev, fd.currentRate);


        takeDrawFee(fd.tDraw);

        _reflectFee(fd.rReward, fd.tReward);

        emit Transfer(sender, recipient, fd.tTransferAmount);
    }

    function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
      
        feeData memory fd = _getValues(tAmount);

        _tOwned[sender] = _tOwned[sender].sub(fd.tAmount);
        _rOwned[sender] = _rOwned[sender].sub(fd.rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(fd.rTransferAmount);

        takeTransactionFee(address(charityWallet), fd.tCharity, fd.currentRate);
        takeTransactionFee(address(marketingWallet), fd.tMarketing, fd.currentRate);
        takeTransactionFee(address(burnAddress), fd.tBurn, fd.currentRate); 
        takeTransactionFee(address(mounthlyDrawWallet), fd.tMounthlyDraw, fd.currentRate);
        takeTransactionFee(address(devWallet), fd.tDev, fd.currentRate);


        takeDrawFee(fd.tDraw);

        _reflectFee(fd.rReward, fd.tReward);
        
        emit Transfer(sender, recipient, fd.tTransferAmount);

    }

    function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
        
        feeData memory fd  = _getValues(tAmount);

        _tOwned[sender]    = _tOwned[sender].sub(fd.tAmount);
        _rOwned[sender]    = _rOwned[sender].sub(fd.rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(fd.tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(fd.rTransferAmount);

        takeTransactionFee(address(charityWallet), fd.tCharity, fd.currentRate);
        takeTransactionFee(address(marketingWallet), fd.tMarketing, fd.currentRate);
        takeTransactionFee(address(burnAddress), fd.tBurn, fd.currentRate); 
        takeTransactionFee(address(mounthlyDrawWallet), fd.tMounthlyDraw, fd.currentRate);
        takeTransactionFee(address(devWallet), fd.tDev, fd.currentRate);


        takeDrawFee(fd.tDraw);

        _reflectFee(fd.rReward, fd.tReward);
        
        emit Transfer(sender, recipient, fd.tTransferAmount);
    }

    function _reflectFee(uint256 rReward, uint256 tReward) private {
        _rTotal = _rTotal.sub(rReward);
        _tFeeTotal = _tFeeTotal.add(tReward);
    }

    function _getValues(uint256 tAmount) private view returns (feeData memory) {
        feeData memory intermediate = _getTValues(tAmount);
        uint256 currentRate         =  _getRate();
        feeData memory res          = _getRValues(intermediate, currentRate);
        return res;
    }

    function _getTValues(uint256 tAmount) private view returns (feeData memory) {
        feeData memory fd;
        fd.tAmount          = tAmount;
        fd.tReward          = calculateFee(tAmount, _reward);
        fd.tCharity         = calculateFee(tAmount, _charityFee);
        fd.tMarketing       = calculateFee(tAmount, _marketingFee);
        fd.tBurn            = calculateFee(tAmount, _burnFee);
        fd.tDraw            = calculateFee(tAmount, _draw);
        fd.tMounthlyDraw    = calculateFee(tAmount, _mounthlyDraw);
        fd.tDev             = calculateFee(tAmount, _devFee);

        fd.tTransferAmount  = tAmount.sub(fd.tReward);
        fd.tTransferAmount  = fd.tTransferAmount.sub(fd.tCharity);
        fd.tTransferAmount  = fd.tTransferAmount.sub(fd.tMarketing);
        fd.tTransferAmount  = fd.tTransferAmount.sub(fd.tBurn);
        fd.tTransferAmount  = fd.tTransferAmount.sub(fd.tDraw);
        fd.tTransferAmount  = fd.tTransferAmount.sub(fd.tMounthlyDraw);
        fd.tTransferAmount  = fd.tTransferAmount.sub(fd.tDev);
        return fd;
        
    }

    function _getRValues(feeData memory fd, uint256 currentRate) private pure returns (feeData memory) {

        fd.currentRate     = currentRate;
        fd.rAmount         = fd.tAmount.mul(fd.currentRate);
        fd.rReward         = fd.tReward.mul(fd.currentRate);
        fd.rCharity        = fd.tCharity.mul(fd.currentRate);
        fd.rMarketing      = fd.tMarketing.mul(fd.currentRate);
        fd.rBurn           = fd.tBurn.mul(fd.currentRate);
        fd.rDraw           = fd.tDraw.mul(fd.currentRate);
        fd.rMounthlyDraw   = fd.tMounthlyDraw.mul(fd.currentRate);
        fd.rDev            = fd.tDev.mul(fd.currentRate);

        fd.rTransferAmount   = fd.rAmount.sub(fd.rReward);
        fd.rTransferAmount   = fd.rTransferAmount.sub(fd.rCharity);
        fd.rTransferAmount   = fd.rTransferAmount.sub(fd.rMarketing);
        fd.rTransferAmount   = fd.rTransferAmount.sub(fd.rBurn);
        fd.rTransferAmount   = fd.rTransferAmount.sub(fd.rDraw);
        fd.rTransferAmount   = fd.rTransferAmount.sub(fd.rMounthlyDraw);
        fd.rTransferAmount   = fd.rTransferAmount.sub(fd.rDev);

        return fd;
    }

    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);
    } 

}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

/**
 * @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;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

interface IERC20 {
    /**
     * @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);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "./Context.sol";

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 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;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

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;
    }
}

{
  "compilationTarget": {
    "contracts/TokenContract/BlueSparrowContract.sol": "BlueSparrow"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}