// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.13;

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;
}
}


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);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);


}

library SafeMath {

function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a b;
require(c >= a, "SafeMath: addition overflow");

return c;
}

function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}

function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;

return c;
}

function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}

uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");

return c;
}


function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by 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;
}

function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}

function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}

library Address {

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);
}

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");
}


function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}

function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}

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");
}

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");

(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {

if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}

contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;

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

constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}

function owner() public view returns (address) {
return _owner;
}

modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}

function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}

function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}

function getUnlockTime() public view returns (uint256) {
return _lockTime;
}

function getTime() public view returns (uint256) {
return block.timestamp;
}

function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = block.timestamp time;
emit OwnershipTransferred(_owner, address(0));
}

function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(block.timestamp > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
}

interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);

function feeTo() external view returns (address);
function feeToSetter() external view returns (address);

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

function createPair(address tokenA, address tokenB) external returns (address pair);

function setFeeTo(address) external;
function setFeeToSetter(address) external;
}

interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);

function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);

function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);

function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);

function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);

function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);

function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;

function initialize(address, address) external;
}

interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);

function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);

function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);

function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}


contract GrizzlyRocket is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
// Multisig Protocol Wallets
address payable public marketingAddress = payable(0x1335944c6af4b3Bf259aD9FE6F6a6fc32486c0c8);
address payable public vaultRewardAddress = payable(0x03325867f6dDE75709eE6e1c5e4ECE11cA3e6985);
address payable public _owner = payable(0xF97E74686DF84Ef3e01Ff64b771F0c54a292060B);
address payable public busdAddress = payable(0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56);

address payable public liquidityWallet = payable(address(this));
address public deadAddress = 0x000000000000000000000000000000000000dEaD;

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

mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;

uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 10000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;

string private constant _name = "Grizzly Rocket";
string private constant _symbol = "GRR";
uint8 private constant _decimals = 9;

// Used in variable fee calculations
uint256 private _taxFee = 0;
uint256 private _vaultFee = 0;
uint256 private _tempTaxFee = 0;
uint256 private _tempVaultFee = 0;
uint256 private _tempLiquidityFee = 0;
uint256 private _buyTaxFee = 0;
uint256 private _buyVaultFee = 0;
uint256 private _sellTaxFee = 0;
uint256 private _sellVaultFee = 0;

uint256 public _buyRewardFee = 4;
uint256 public _buyMarketingFee = 4;
uint256 public _buyLiquidityFee = 9;
uint256 private _liquidityFee = 9;

uint256 public _sellRewardFee = 5;
uint256 public _sellMarketingFee = 5;
uint256 public _sellLiquidityFee = 12;



// Protocol Fees
uint256 public _bMaxTxAmount = 10000000 * 10**9;
uint256 public _sMaxTxAmount = 10000000 * 10**9;
uint256 private minimumTokensBeforeSwap = 1000 * 10**9;


IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;

bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;

event RewardLiquidityProviders(uint256 tokenAmount);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquifyBNB(
uint256 BNBSwapped,
uint256 TokensReceived,
uint256 tokensIntoLiqudity
);
event SwapAndLiquifyTokens(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);

event SwapBNBForTokens(
uint256 amountIn,
address[] path
);

event SwapTokensForBNB(
uint256 amountIn,
address[] path
);

modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}

constructor () {

_rOwned[_msgSender()] = _rTotal;

IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E);

uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());

uniswapV2Router = _uniswapV2Router;

// Protocol Multisig Wallets
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[liquidityWallet] = true;
_isExcludedFromFee[marketingAddress] = true;
_isExcludedFromFee[vaultRewardAddress] = true;
_isExcludedFromFee[deadAddress] = true;

excludeFromReward(uniswapV2Pair);
excludeFromReward(deadAddress);

emit Transfer(address(0), _msgSender(), _tTotal);
}

function name() public pure returns (string memory) {
return _name;
}

function symbol() public pure returns (string memory) {
return _symbol;
}

function decimals() public pure 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 isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}

function totalFees() public view returns (uint256) {
return _tFeeTotal;
}

function minimumTokensBeforeSwapAmount() public view returns (uint256) {
return minimumTokensBeforeSwap;
}


//Use when new router is released but pair hasnt been created yet.
//Make sure to add initial liquidity manually after pair is made! Otherwise swapAndLiquify will fail.
function setRouterAddressAndCreatePair(address newRouter) public onlyOwner() {
IUniswapV2Router02 _newPancakeRouter = IUniswapV2Router02(newRouter);
uniswapV2Pair = IUniswapV2Factory(_newPancakeRouter.factory()).createPair(address(this), _newPancakeRouter.WETH());
uniswapV2Router = _newPancakeRouter;
}

//Use when new router is released and pair HAS been created already.
function setRouterAddress(address newRouter) public onlyOwner() {
IUniswapV2Router02 _newPancakeRouter = IUniswapV2Router02(newRouter);
uniswapV2Router = _newPancakeRouter;
}

//Use when new router is released and pair HAS been created already.
function setPairAddress(address newPair) public onlyOwner() {
uniswapV2Pair = newPair;
}


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 excludeFromReward(address account) public onlyOwner() {

require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}

function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is not 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 _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");

if(from != owner() && to != owner() && ! _isExcludedFromFee[to] && ! _isExcludedFromFee[from]) {

if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to]) {
require(amount <= _bMaxTxAmount, "Transfer amount exceeds max buy amount.");

}
if (to == uniswapV2Pair && ! _isExcludedFromFee[from]){
require(amount <= _sMaxTxAmount, "Transfer amount exceeds the max sell amount.");
}
}

uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;

// Sell tokens for BNB
if (!inSwapAndLiquify && swapAndLiquifyEnabled && balanceOf(uniswapV2Pair) > 0) {
if (to == uniswapV2Pair) {
if (overMinimumTokenBalance) {
contractTokenBalance = minimumTokensBeforeSwap;

uint256 busdLiquidityToken = contractTokenBalance.mul(_sellMarketingFee).div(_sellLiquidityFee);
uint256 rewardToken = contractTokenBalance.mul(_sellRewardFee).div(_sellLiquidityFee);
uint256 liquidityToken = contractTokenBalance.sub(busdLiquidityToken rewardToken);

// Remove Hate Swap and Liquidity by breaking Token in proportion
addLiquidityToToken(liquidityToken);
// Token Swapping in BNB for busd
swapTokens(busdLiquidityToken);
// Fetch balance of the token swapped for BNB for busd
uint256 bnbBalbusd = address(this).balance;
// Swap BNB for BUSD and send to All Address
SwapAndLiquifyBNBtoBusd(bnbBalbusd);
require(IERC20(address(this)).transfer(vaultRewardAddress,rewardToken));

}

}

}

// If any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
_tempTaxFee = 0;
_tempVaultFee = 0;
_tempLiquidityFee = 0;
}
else{
// defaults tx fees:
_tempTaxFee = _taxFee;
_tempVaultFee = _vaultFee;
_tempLiquidityFee = _liquidityFee;

// Buy
if(from == uniswapV2Pair){
_tempTaxFee = _buyTaxFee;
_tempVaultFee = _buyVaultFee;
_tempLiquidityFee = _buyLiquidityFee;
}
// Sell
if(to == uniswapV2Pair){
_tempTaxFee = _sellTaxFee;
_tempVaultFee = _sellVaultFee;
_tempLiquidityFee = _sellLiquidityFee;
}

}

_tokenTransfer(from,to,amount);
}

function swapTokens(uint256 contractTokenBalance) private lockTheSwap {
swapTokensForBNB(contractTokenBalance);

}

function swapTokensForBNB(uint256 tokenAmount) private {
// Generate the uniswap pair path of token -> WBNB
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();

_approve(address(this), address(uniswapV2Router), tokenAmount);

// Make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // Accept any amount of BNB
path,
address(this), // The contract
block.timestamp
);

emit SwapTokensForBNB(tokenAmount, path);
}


function swapBNBForTokensToBusd(uint256 amount) private lockTheSwap{
// Generate the uniswap pair path of token -> WBNB
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = address(busdAddress);

// Make the swap
uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}(
0, // Accept any amount of Tokens
path,
address(this), // Contract address
block.timestamp.add(300)
);

emit SwapBNBForTokens(amount, path);
}


function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// Approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);

// Add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // Slippage is unavoidable
0, // Slippage is unavoidable
owner(), //Contract Owner
block.timestamp
);
}

function _tokenTransfer(address sender, address recipient, uint256 amount) private {
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]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
}

function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tVault) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeVault(tVault);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}

function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tVault) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeVault(tVault);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}

function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tVault) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeVault(tVault);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}

function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tVault) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeVault(tVault);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}

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

function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tVault) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tVault, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity, tVault);
}

function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tVault = calculateVaultFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tVault);
return (tTransferAmount, tFee, tLiquidity, tVault);
}

function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tVault, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rVault = tVault.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity).sub(rVault);
return (rAmount, rTransferAmount, rFee);
}

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 _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[liquidityWallet] = _rOwned[liquidityWallet].add(rLiquidity);
if(_isExcluded[liquidityWallet])
_tOwned[liquidityWallet] = _tOwned[liquidityWallet].add(tLiquidity);
}

function _takeVault(uint256 tVault) private {
uint256 rVault = tVault.mul(_getRate());
_rOwned[vaultRewardAddress] = _rOwned[vaultRewardAddress].add(rVault);
if(_isExcluded[vaultRewardAddress])
_tOwned[vaultRewardAddress] = _tOwned[vaultRewardAddress].add(tVault);
}

function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_tempTaxFee).div(
10**2
);
}

function calculateVaultFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_tempVaultFee).div(
10**2
);
}

function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_tempLiquidityFee).div(
10**2
);
}

function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}

function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}

function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}

function setBuyMaxTxAmount(uint256 bMaxTxAmount) external onlyOwner {
_bMaxTxAmount = bMaxTxAmount;
}

function setSellMaxTxAmount(uint256 sMaxTxAmount) external onlyOwner {
_sMaxTxAmount = sMaxTxAmount;
}

function setMinTokensToSell(uint256 _minimumTokensBeforeSwap) external onlyOwner {
minimumTokensBeforeSwap = _minimumTokensBeforeSwap;
}

function setMarketingAddress(address _marketingAddress) external onlyOwner {
marketingAddress = payable(_marketingAddress);
_isExcludedFromFee[marketingAddress] = true;
}


function setVaultAddress(address _vaultAddress) external onlyOwner {
vaultRewardAddress = payable(_vaultAddress);
_isExcludedFromFee[vaultRewardAddress] = true;
}

function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}

function setbusdAddress(address _newBusd) external onlyOwner{
busdAddress = payable(_newBusd);
}

function setReawardAndMarketingFee(uint256 _sellRewardsPercent,uint256 _sellMarketingPercent, uint256 _sellLiquidityPercent, uint256 _buyRewardsPercent,uint256 _buyMarketingPercent, uint256 _buyLiquidityPercent ) external onlyOwner {
_sellRewardFee = _sellRewardsPercent;
_sellMarketingFee = _sellMarketingPercent;
_buyRewardFee = _buyRewardsPercent;
_buyMarketingFee = _buyMarketingPercent;
_buyLiquidityFee = _buyLiquidityPercent _buyRewardsPercent _buyMarketingPercent;
_sellLiquidityFee = _sellLiquidityPercent _sellMarketingPercent _sellRewardsPercent;
_liquidityFee = _buyLiquidityPercent _buyRewardsPercent _buyMarketingPercent;
}


function transferToAddressBNB(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}

function changeRouterVersion(address _router) public onlyOwner returns(address _pair) {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(_router);

_pair = IUniswapV2Factory(_uniswapV2Router.factory()).getPair(address(this), _uniswapV2Router.WETH());
if(_pair == address(0)){
// Pair doesn't exist
_pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
}
uniswapV2Pair = _pair;

// Set the router of the contract variables
uniswapV2Router = _uniswapV2Router;
}

// To receive BNB from uniswapV2Router when swapping
receive() external payable {}

// for stuck tokens of other types
function transferForeignToken(address _token, address _to) public onlyOwner returns(bool _sent){
require(_token != address(this), "Can't let you take all native token");
uint256 _contractBalance = IERC20(_token).balanceOf(address(this));
_sent = IERC20(_token).transfer(_to, _contractBalance);
}

//Create additional liquidity using BNB tokens in contract
function manualSwapAndLiquifyBNBtoBusd(uint256 bnbLiquifyAmount) external lockTheSwap onlyOwner {
SwapAndLiquifyBNBtoBusd(bnbLiquifyAmount);
}


//Create additional liquidity using tokens in contract
function manualSwapAndLiquifyTokens(uint256 tokenLiquifyAmount) external lockTheSwap onlyOwner{
addLiquidityToToken(tokenLiquifyAmount);
}

function SwapAndLiquifyBNBtoBusd(uint256 bnbLiquifyAmount) private lockTheSwap {

// swap BNB for Tokens
swapBNBForTokensToBusd(bnbLiquifyAmount); // <- this breaks the BNB -> HATE swap when swap liquify is triggered

// how much Tokens did we just swap into?
uint256 newTokenBalance = IERC20(busdAddress).balanceOf(address(this));
uint256 marketingFunds = newTokenBalance;
require(IERC20(busdAddress).transfer(marketingAddress,marketingFunds));

emit SwapAndLiquifyBNB(bnbLiquifyAmount, newTokenBalance, bnbLiquifyAmount);
}


function addLiquidityToToken(uint256 tokenLiquifyAmount) private lockTheSwap{
// split the contract balance into halves
uint256 half = tokenLiquifyAmount.div(2); //staking tokens to be swaped
uint256 otherHalf = tokenLiquifyAmount.sub(half); //staking tokens not swapped

// capture the contract's current BNB balance.
// this is so that we can capture exactly the amount of BNB that the
// swap creates, and not make the liquidity event include any BNB that
// has been manually sent to the contract
uint256 initialBalance = address(this).balance;

// swap tokens for BNB
swapTokensForBNB(half); // <- this breaks the BNB -> HATE swap when swap liquify is triggered

// how much BNB did we just swap into?
uint256 newBalance = address(this).balance.sub(initialBalance);

// add liquidity to uniswap
addLiquidity(otherHalf, newBalance);

emit SwapAndLiquifyTokens(half, newBalance, otherHalf);
}

function SweepStuck(uint256 _amount) external onlyOwner {
payable(owner()).transfer(_amount);
}

}