/**

WADDLE - Community Support Token
The 1st Community-Led Project in Crypto

Contact Us:-
-> https://t.me/community_support_token
-> https://www.waddlecst.com

Features:-
-> Locked Liquidity: For 3 Years
-> Whale Protected: 15T max holding and additional whale tax on sell transactions of 200B
-> Bot Protected: Open-Trade Mechanisms to guard against auto Bot when adding liquidity.

Token Economics
-> Buy Fee
3% Reflection to CST Holders
3% Auto Liquidity Fee
2% Marketing Fee;

-> Sell Fee
4% Reflection to CST Holders
3% Auto Liquidity Fee
8% Marketing Fee;
1% Burn Fee

**/

// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.11;

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 IBEP20 {
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 = 0x59c8f4aE67514a238821C49077f904305B4E9162;
_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() external 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;
}
}

// pragma solidity >=0.5.0;

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;
}


// pragma solidity >=0.5.0;

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;
}

// pragma solidity >=0.6.2;

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);
}



// pragma solidity >=0.6.2;

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 LockToken is Ownable {
bool public isOpen = false;
mapping(address => bool) private _whiteList;
modifier open(address from, address to)
{
require(isOpen || _whiteList[from] || _whiteList[to], "Not Open");
_;
}

constructor() {
_whiteList[owner()] = true;
_whiteList[address(this)] = true;
}

function openTrade() external onlyOwner {
isOpen = true;
}

function includeToWhiteList(address[] memory _users) external onlyOwner {
for(uint8 i = 0; i < _users.length; i ) {
_whiteList[_users[i]] = true;
}
}
}


contract Waddle is Context, IBEP20, LockToken {
using SafeMath for uint256;
using Address for address;

address payable public buyMarketingWalletAddress = payable(0x52c6b10BD6B1D761A990E3D4EDa0665756E6634f);
address payable public saleMarketingWalletAddress = payable(0x0D0A8dfbFF85Fb4bFe2F1062b70Bc0b7C7487E59);

address public immutable 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 _tTotal = 1_000_000_000_000_000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;

string private _name = "Waddle";
string private _symbol = "WCST";
uint8 private _decimals = 9;


uint256 public _taxFee = 3;
uint256 private _previousTaxFee = _taxFee;

uint256 public _liquidityFee = 3;
uint256 private _previousLiquidityFee = _liquidityFee;

uint256 public _marketingFee = 2;
uint256 private _previousMarketingFee = _marketingFee;

uint256 public _burnFee = 0;
uint256 private _previousBurnFee = _burnFee;

uint256 public _saleTaxFee = 4;
uint256 public _saleLiquidityFee = 3;
uint256 public _saleMarketingFee = 8;
uint256 public _saleBurnFee = 1;

uint256 public _maxTxAmount = 15_000_000_000_000 * 10**9;//1.5%
uint256 public maxLimit = 15_000_000_000_000 * 10**9;
uint256 public _maxSaleAmount = 200_000_000_000 * 10**9;//200 Billion

uint256 public _extraAntiWhaleFee = 12;
uint256 private minimumTokensBeforeSwap = 100_000_00 * 10**9;

uint256 public tokensCollectedBySale = 0;

IUniswapV2Router02 public immutable uniswapV2Router;
address public uniswapV2Pair;

bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
event RewardLiquidityProviders(uint256 tokenAmount);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);


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

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

constructor ()
{
_rOwned[owner()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[saleMarketingWalletAddress] = true;
_isExcludedFromFee[buyMarketingWalletAddress] = true;
_isExcludedFromFee[deadAddress] = true;
emit Transfer(address(0), owner(), _tTotal);
excludeWalletsFromWhales();
}

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 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, "BEP20: 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, "BEP20: 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;
}


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 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 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), "BEP20: approve from the zero address");
require(spender != address(0), "BEP20: approve to the zero address");

_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}

function _transfer(address from, address to, uint256 amount)
private open(from, to)
{
require(from != address(0), "BEP20: transfer from the zero address");
require(to != address(0), "BEP20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner())
{
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}

uint256 contractTokenBalance = balanceOf(address(this)).sub(tokensCollectedBySale);

bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;

if (!inSwapAndLiquify && swapAndLiquifyEnabled && from != uniswapV2Pair)
{
swapAndSendToSaleMarketingWallet();
if (overMinimumTokenBalance)
{
contractTokenBalance = minimumTokensBeforeSwap;
swapTokens(contractTokenBalance);
}
}

if(to == uniswapV2Pair) { setSaleFee(); }
checkForWhale(amount, from, to);
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to])
{
takeFee = false;
}

_tokenTransfer(from, to, amount, takeFee);
restoreAllFee();
}

function swapAndSendToSaleMarketingWallet() private lockTheSwap
{
uint256 swapableTokens = minimumTokensBeforeSwap.div(3);
if(tokensCollectedBySale>swapableTokens)
{
uint256 initialBalance = address(this).balance;
swapTokensForEth(swapableTokens);
uint256 newBalance = address(this).balance.sub(initialBalance);
transferToAddressETH(saleMarketingWalletAddress, newBalance);
tokensCollectedBySale -= swapableTokens;
}
}

function swapTokens(uint256 contractTokenBalance) private lockTheSwap
{
uint256 _totalFee = _liquidityFee.add(_marketingFee);
uint256 halfLiquidityTokens = contractTokenBalance.div(_totalFee).mul(_liquidityFee).div(2);
uint256 swapableTokens = contractTokenBalance.sub(halfLiquidityTokens);
uint256 initialBalance = address(this).balance;
swapTokensForEth(swapableTokens);
uint256 newBalance = address(this).balance.sub(initialBalance);
uint256 bnbForLiquidity = newBalance.div(_totalFee).mul(_liquidityFee).div(2);
addLiquidity(halfLiquidityTokens, bnbForLiquidity);
emit SwapAndLiquify(halfLiquidityTokens, bnbForLiquidity, halfLiquidityTokens);
transferToAddressETH(buyMarketingWalletAddress, newBalance.sub(bnbForLiquidity));
}



function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
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 ETH
path,
address(this), // The contract
block.timestamp
);

emit SwapTokensForETH(tokenAmount, 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(),
block.timestamp
);
}

function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee) { removeAllFee(); }
uint256 burnTokens = amount.div(100).mul(_burnFee);
if(recipient== uniswapV2Pair) { tokensCollectedBySale = amount.div(100).mul(_marketingFee); }
amount = amount.sub(burnTokens);
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);
}

removeAllFee();
if(burnTokens>0) {
_transferStandard(sender, deadAddress, burnTokens); }
restoreAllFee();

}

function _transferStandard(address sender, address recipient, uint256 tAmount) private {
if(tAmount==0) {return;}
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_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) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_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) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_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) = _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);
_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 tTransferAmount, uint256 tFee, uint256 tLiquidity) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity);
}

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

function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity);
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[address(this)] = _rOwned[address(this)].add(rLiquidity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}

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

function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
_amount = _amount.div(100-_burnFee).mul(100);
return _amount.mul(_liquidityFee.add(_marketingFee)).div(100);
}


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

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

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

function removeAllFee() private
{
_taxFee = 0;
_liquidityFee = 0;
_marketingFee = 0;
_burnFee = 0;
}

function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
_marketingFee = _previousMarketingFee;
_burnFee = _previousBurnFee;
}

function setSaleFee() private {
_taxFee = _saleTaxFee;
_liquidityFee = _saleLiquidityFee;
_marketingFee = _saleMarketingFee;
_burnFee = _saleBurnFee;
}

function setAllFeesPercent(uint256 taxFee, uint256 liquidityFee,
uint256 marketingFee, uint256 burnFee) public onlyOwner()
{
uint256 __totalFee = taxFee.add(liquidityFee).add(marketingFee).add(burnFee);
require(__totalFee <= 30, "Cannot set too much fee.");

_taxFee = taxFee;
_previousTaxFee = _taxFee;

_liquidityFee = liquidityFee;
_previousLiquidityFee = _liquidityFee;

_marketingFee = marketingFee;
_previousMarketingFee = _marketingFee;

_burnFee = burnFee;
_previousBurnFee = _burnFee;
}


function setSaleFeesPercent(uint256 taxFee, uint256 liquidityFee, uint256 marketingFee, uint256 burnFee) public onlyOwner()
{
uint256 __totalFee = taxFee.add(liquidityFee).add(marketingFee).add(burnFee);
require(__totalFee <= 30, "Cannot set too much fee.");
_saleTaxFee = taxFee;
_saleLiquidityFee = liquidityFee;
_saleMarketingFee = marketingFee;
_saleBurnFee = burnFee;
}

function prepareForPresale() external onlyOwner
{
setSwapAndLiquifyEnabled(false);
setAllFeesPercent(0,0,0,0);
setSaleFeesPercent(0,0,0,0);
_maxTxAmount = _tTotal;
}

function afterPresale() external onlyOwner
{
setSwapAndLiquifyEnabled(true);
setAllFeesPercent(3,3,2,0);
setSaleFeesPercent(4,3,8,1);
_maxTxAmount = _tTotal.div(1000).mul(15);
}

event MaxTxAmountUpdated(uint256 amount, uint256 timestamp);
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner()
{
require(maxTxAmount>=_tTotal.div(1000), "maxTxnAmount must be greater then 0.1%");
_maxTxAmount = maxTxAmount;
emit MaxTxAmountUpdated(maxTxAmount, block.timestamp);
}

event MaxSaleAmountUpdated(uint256 amount, uint256 timestamp);
function setMaxSaleAmount(uint256 maxSaleAmount) external onlyOwner()
{
require(maxSaleAmount >= _tTotal.div(1000), "maxSalenAmount must be greater then 0.1%");
_maxSaleAmount = maxSaleAmount;
emit MaxSaleAmountUpdated(maxSaleAmount, block.timestamp);
}

event MinTokenBeforeSwapUpdate(uint256 amount, uint256 timestamp);
function setNumTokensSellToAddToLiquidity(uint256 _minimumTokensBeforeSwap) external onlyOwner() {
minimumTokensBeforeSwap = _minimumTokensBeforeSwap;
emit MinTokenBeforeSwapUpdate(_minimumTokensBeforeSwap, block.timestamp);
}


function setBuyMarketingWalletAddress(address _wallet) external onlyOwner() {
buyMarketingWalletAddress = payable(_wallet);
}

function setSaleMarketingWalletAddress(address _wallet) external onlyOwner() {
saleMarketingWalletAddress = payable(_wallet);
}

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

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

//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}

/////----ANTI WHALE MECHANISM ------/////

mapping (address => bool) private _isExcludedFromWhale;

function excludeWalletsFromWhales() private
{
_isExcludedFromWhale[owner()]=true;
_isExcludedFromWhale[address(this)]=true;
_isExcludedFromWhale[address(0)]=true;
_isExcludedFromFee[deadAddress] = true;
_isExcludedFromWhale[uniswapV2Pair]=true;
_isExcludedFromWhale[buyMarketingWalletAddress] = true;
_isExcludedFromWhale[saleMarketingWalletAddress] = true;
}


function checkForWhale(uint amount, address from, address to) private
{
uint256 newBalance = balanceOf(to).add(amount);
if(!_isExcludedFromWhale[from] && !_isExcludedFromWhale[to])
{
require(newBalance <= maxLimit, "Exceeding max tokens limit in the wallet");
}

if(from == uniswapV2Pair && !_isExcludedFromWhale[to])
{
require(newBalance <= maxLimit, "Exceeding max tokens limit in the wallet");
}

if(amount > _maxSaleAmount && to == uniswapV2Pair && !_isExcludedFromWhale[from])
{
_taxFee = _extraAntiWhaleFee;
}
}

function setExtraAntiWhaleFee(uint256 _value) external onlyOwner {
_extraAntiWhaleFee = _value;
}

function setExcludedFromWhale(address account, bool _enabled) external onlyOwner
{
_isExcludedFromWhale[account] = _enabled;
}

event MaxLimitUpdated(uint256 newLimit, uint256 timestamp);
function setMaxWalletLimit(uint256 amount) external onlyOwner
{
require(amount >= _tTotal.div(1000), "max wallet limit must be greater then 0.1%");
maxLimit = amount;
emit MaxLimitUpdated(amount, block.timestamp);
}
}