// File: IUniswapV2Factory.sol



pragma solidity >=0.5.0;

interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint256
);

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(uint256) external view returns (address pair);

function allPairsLength() external view returns (uint256);

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

function setFeeTo(address) external;

function setFeeToSetter(address) external;
}
// File: IUniswapV2Router01.sol



pragma solidity >=0.5.0;

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

function WETH() external pure returns (address);

function addLiquidity(
address tokenA,
address tokenB,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);

function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);

function removeLiquidity(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
) external returns (uint256 amountA, uint256 amountB);

function removeLiquidityETH(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountToken, uint256 amountETH);

function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint256 liquidity,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountA, uint256 amountB);

function removeLiquidityETHWithPermit(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountToken, uint256 amountETH);

function swapExactTokensForTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapTokensForExactTokens(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);

function swapTokensForExactETH(
uint256 amountOut,
uint256 amountInMax,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);

function swapETHForExactTokens(
uint256 amountOut,
address[] calldata path,
address to,
uint256 deadline
) external payable returns (uint256[] memory amounts);

function quote(
uint256 amountA,
uint256 reserveA,
uint256 reserveB
) external pure returns (uint256 amountB);

function getAmountOut(
uint256 amountIn,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountOut);

function getAmountIn(
uint256 amountOut,
uint256 reserveIn,
uint256 reserveOut
) external pure returns (uint256 amountIn);

function getAmountsOut(uint256 amountIn, address[] calldata path)
external
view
returns (uint256[] memory amounts);

function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
}
// File: IUniswapV2Router02.sol



pragma solidity >=0.5.0;


interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external returns (uint256 amountETH);

function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint256 liquidity,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint256 amountETH);

function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;

function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;

function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
// File: IERC20.sol



pragma solidity >=0.4.0;

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
);
}
// File: Context.sol



pragma solidity >=0.4.0;

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;
}
}
// File: Ownable.sol



pragma solidity >=0.4.0;


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() external virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}

function transferOwnership(address newOwner) external 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;
}
}
// File: Address.sol



pragma solidity ^0.8.9;

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);
}
}
}
}
// File: SafeMath.sol



pragma solidity >=0.4.0;

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;
}
}
// File: AgentOrangeToken.sol



pragma solidity >=0.8.9;








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

uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1 * 1e9 * 1e18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;

string private constant _name = "Agent Orange Token";
string private constant _symbol = "AOT";
uint8 private constant _decimals = 18;

uint256 private constant BUY = 1;
uint256 private constant SELL = 2;
uint256 private constant TRANSFER = 3;
uint256 private buyOrSellSwitch;

uint256 private _taxFee;
uint256 private _previousTaxFee = _taxFee;

uint256 private _liquidityFee;
uint256 private _previousLiquidityFee = _liquidityFee;

uint256 public _buyTaxFee = 2;
uint256 public _buyLiquidityFee = 2;
uint256 public _buyMarketingFee = 3;
uint256 public _buyAlgoCoinBuybackFee = 2;

uint256 public _sellTaxFee = 2;
uint256 public _sellLiquidityFee = 2;
uint256 public _sellMarketingFee = 3;
uint256 public _sellDevFee = 2;

uint256 public tradingActiveBlock = 0; // 0 means trading is not active

uint256 private _liquidityTokensToSwap;
uint256 private _marketingTokensToSwap;
uint256 private _algoCoinBuybackTokensToSwap;
uint256 private _devTokensToSwap;

// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping (address => bool) public automatedMarketMakerPairs;

uint256 private minimumTokensBeforeSwap = _tTotal * 5 / 10000; // 0.05%

IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;

bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
bool public tradingActive = false;

address payable public marketingAddress = payable(0x25533d73f2B8e37b418B330C90B79CA7f5C44806);
address payable public algoCoinBuybackAddress = payable(0x6Fc0b341757fcc154b212b886FC22F87d449e1D5);
address payable public devAddress = payable(0xC417C2Ddaf6ee50ea836293adD8e9AC3b5871AB1);
address payable public liquidityAddress = payable(0x000000000000000000000000000000000000dEaD);
address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;

event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiquidity
);

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

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

event SetAutomatedMarketMakerPair(address pair, bool value);

event ExcludeFromReward(address excludedAddress);

event IncludeInReward(address includedAddress);

event ExcludeFromFee(address excludedAddress);

event IncludeInFee(address includedAddress);

event SetSellFee(uint256 marketingFee, uint256 liquidityFee, uint256 reflectFee, uint256 buybackFee);

event SetBuyFee(uint256 marketingFee, uint256 liquidityFee, uint256 reflectFee, uint256 buyAlgoCoinBuybackFee);

event TransferForeignToken(address token, uint256 amount);

event UpdatedMarketingAddress(address marketing);

event UpdatedLiquidityAddress(address liquidity);

event UpdatedDevAddress(address buyback);

event UpdatedAlgoCoinBuybackAddress(address algoCoinBuyback);

event OwnerForcedSwapBack(uint256 timestamp);

event UpdatedRouter(address indexed newrouter);

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

constructor() {
_rOwned[_msgSender()] = _rTotal;

IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x10ED43C718714eb63d5aA57B78B54704E256024E
);

address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());

uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;

_setAutomatedMarketMakerPair(_uniswapV2Pair, true);

_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[marketingAddress] = true;
_isExcludedFromFee[liquidityAddress] = true;
_isExcludedFromFee[devAddress] = true;
_isExcludedFromFee[algoCoinBuybackAddress] = true;

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

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

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

function decimals() external pure returns (uint8) {
return _decimals;
}

function totalSupply() external 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)
external
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}

function allowance(address owner, address spender)
external
view
override
returns (uint256)
{
return _allowances[owner][spender];
}

function approve(address spender, uint256 amount)
external
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}

function transferFrom(
address sender,
address recipient,
uint256 amount
) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"ERC20: transfer amount exceeds allowance"
)
);
return true;
}

function increaseAllowance(address spender, uint256 addedValue)
external
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}

function decreaseAllowance(address spender, uint256 subtractedValue)
external
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}

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

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

// once enabled, can never be turned off
function enableTrading() external onlyOwner {
tradingActive = true;
swapAndLiquifyEnabled = true;
tradingActiveBlock = block.number;
}

function excludePresaleAddressFromFee(address _presaleAddress, address _presaleRouterAddress) external onlyOwner {
_isExcludedFromFee[_presaleAddress] = true;
_isExcludedFromFee[_presaleRouterAddress] = true;
}

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

function setAutomatedMarketMakerPair(address pair, bool value) external onlyOwner {
require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");

_setAutomatedMarketMakerPair(pair, value);
}

function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
if(value){excludeFromReward(pair);}
if(!value){includeInReward(pair);}
emit SetAutomatedMarketMakerPair(pair, value);
}

function reflectionFromToken(uint256 tAmount, bool deductTransferFee)
external
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");
require(_excluded.length 1 <= 50, "Cannot exclude more than 50 accounts. Include a previously excluded address.");
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}

function includeInReward(address account) public 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(!tradingActive){
require(_isExcludedFromFee[from] || _isExcludedFromFee[to], "Trading is not active yet.");
}

uint256 totalTokensToSwap = _liquidityTokensToSwap _marketingTokensToSwap _devTokensToSwap _algoCoinBuybackTokensToSwap;
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= minimumTokensBeforeSwap;

// swap and liquify
if (
!inSwapAndLiquify &&
swapAndLiquifyEnabled &&
balanceOf(uniswapV2Pair) > 0 &&
totalTokensToSwap > 0 &&
!_isExcludedFromFee[to] &&
!_isExcludedFromFee[from] &&
automatedMarketMakerPairs[to] &&
overMinimumTokenBalance
) {
swapBack();
}

bool takeFee = true;

// If any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
takeFee = false;
buyOrSellSwitch = TRANSFER;
} else {
// Buy
if (automatedMarketMakerPairs[from]) {
removeAllFee();
_taxFee = _buyTaxFee;
_liquidityFee = _buyLiquidityFee _buyMarketingFee _buyAlgoCoinBuybackFee;
buyOrSellSwitch = BUY;
}
// Sell
else if (automatedMarketMakerPairs[to]) {
removeAllFee();
_taxFee = _sellTaxFee;
_liquidityFee = _sellLiquidityFee _sellMarketingFee _sellDevFee;
buyOrSellSwitch = SELL;
// Normal transfers do not get taxed
} else {
removeAllFee();
buyOrSellSwitch = TRANSFER;
}
}

_tokenTransfer(from, to, amount, takeFee);

}

function swapBack() private lockTheSwap {
uint256 contractBalance = balanceOf(address(this));

uint256 totalTokensToSwap = _liquidityTokensToSwap.add(_devTokensToSwap).add(_marketingTokensToSwap).add(_algoCoinBuybackTokensToSwap);

// Halve the amount of liquidity tokens
uint256 tokensForLiquidity = _liquidityTokensToSwap.div(2);
uint256 amountToSwapForBNB = contractBalance.sub(tokensForLiquidity);

uint256 initialBNBBalance = address(this).balance;

swapTokensForBNB(amountToSwapForBNB);

uint256 bnbBalance = address(this).balance.sub(initialBNBBalance);

uint256 bnbForMarketing = bnbBalance.mul(_marketingTokensToSwap).div(totalTokensToSwap);
uint256 bnbForDev = bnbBalance.mul(_devTokensToSwap).div(totalTokensToSwap);
uint256 bnbForAlgoCoinBuyback = bnbBalance.mul(_algoCoinBuybackTokensToSwap).div(totalTokensToSwap);

uint256 bnbForLiquidity = bnbBalance.sub(bnbForMarketing).sub(bnbForDev).sub(bnbForAlgoCoinBuyback);

_liquidityTokensToSwap = 0;
_marketingTokensToSwap = 0;
_devTokensToSwap = 0;
_algoCoinBuybackTokensToSwap = 0;

(bool success,) = address(devAddress).call{value: bnbForDev}("");
(success,) = address(marketingAddress).call{value: bnbForMarketing}("");
(success,) = address(algoCoinBuybackAddress).call{value: bnbForAlgoCoinBuyback}("");

addLiquidity(tokensForLiquidity, bnbForLiquidity);
emit SwapAndLiquify(amountToSwapForBNB, bnbForLiquidity, tokensForLiquidity);

// send leftover BNB to the marketing wallet so it doesn't get stuck on the contract.
if(address(this).balance > 1e17){
(success,) = address(marketingAddress).call{value: address(this).balance}("");
}
}

function swapTokensForBNB(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}

function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
liquidityAddress,
block.timestamp
);
}

function _tokenTransfer(
address sender,
address recipient,
uint256 amount,
bool takeFee
) private {
if (!takeFee) removeAllFee();

if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}

restoreAllFee();
}

function _transferStandard(
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);
_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 {
if(buyOrSellSwitch == BUY){
_liquidityTokensToSwap = tLiquidity * _buyLiquidityFee / _liquidityFee;
_algoCoinBuybackTokensToSwap = tLiquidity * _buyAlgoCoinBuybackFee / _liquidityFee;
_marketingTokensToSwap = tLiquidity * _buyMarketingFee / _liquidityFee;
} else if(buyOrSellSwitch == SELL){
_liquidityTokensToSwap = tLiquidity * _sellLiquidityFee / _liquidityFee;
_devTokensToSwap = tLiquidity * _sellDevFee / _liquidityFee;
_marketingTokensToSwap = tLiquidity * _sellMarketingFee / _liquidityFee;
}
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)
{
return _amount.mul(_liquidityFee).div(10**2);
}

function removeAllFee() private {
if (_taxFee == 0 && _liquidityFee == 0) return;

_previousTaxFee = _taxFee;
_previousLiquidityFee = _liquidityFee;

_taxFee = 0;
_liquidityFee = 0;
}

function restoreAllFee() private {
_taxFee = _previousTaxFee;
_liquidityFee = _previousLiquidityFee;
}

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

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

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

function setBuyFee(uint256 buyTaxFee, uint256 buyLiquidityFee, uint256 buyMarketingFee, uint256 buyAlgoCoinBuybackFee)
external
onlyOwner
{
_buyTaxFee = buyTaxFee;
_buyLiquidityFee = buyLiquidityFee;
_buyMarketingFee = buyMarketingFee;
_buyAlgoCoinBuybackFee = buyAlgoCoinBuybackFee;
require(_buyTaxFee _buyLiquidityFee _buyMarketingFee _buyAlgoCoinBuybackFee <= 10, "Must keep taxes below 10%");
emit SetBuyFee(buyMarketingFee, buyLiquidityFee, buyTaxFee, buyAlgoCoinBuybackFee);
}

function setSellFee(uint256 sellTaxFee, uint256 sellLiquidityFee, uint256 sellMarketingFee, uint256 sellDevFee)
external
onlyOwner
{
_sellTaxFee = sellTaxFee;
_sellLiquidityFee = sellLiquidityFee;
_sellMarketingFee = sellMarketingFee;
_sellDevFee = sellDevFee;
require(_sellTaxFee _sellLiquidityFee _sellMarketingFee _sellDevFee <= 10, "Must keep taxes below 10%");
emit SetSellFee(sellMarketingFee, sellLiquidityFee, sellTaxFee, sellDevFee);
}

function setMarketingAddress(address _marketingAddress) external onlyOwner {
require(_marketingAddress != address(0), "_marketingAddress address cannot be 0");
marketingAddress = payable(_marketingAddress);
_isExcludedFromFee[marketingAddress] = true;
emit UpdatedMarketingAddress(_marketingAddress);
}

function setDevAddress(address _devAddress) external onlyOwner {
require(_devAddress != address(0), "_devAddress address cannot be 0");
devAddress = payable(_devAddress);
_isExcludedFromFee[devAddress] = true;
emit UpdatedDevAddress(devAddress);
}

function setLiquidityAddress(address _liquidityAddress) external onlyOwner {
require(_liquidityAddress != address(0), "_liquidityAddress address cannot be 0");
liquidityAddress = payable(_liquidityAddress);
_isExcludedFromFee[liquidityAddress] = true;
emit UpdatedLiquidityAddress(_liquidityAddress);
}

function setAlgoCoinBuybackAddress(address _algoCoinBuybackAddress) external onlyOwner {
require(_algoCoinBuybackAddress != address(0), "_algoCoinBuybackAddress address cannot be 0");
algoCoinBuybackAddress = payable(_algoCoinBuybackAddress);
_isExcludedFromFee[algoCoinBuybackAddress] = true;
emit UpdatedAlgoCoinBuybackAddress(algoCoinBuybackAddress);
}

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

function changeRouterVersion(address _router)
external
onlyOwner
returns (address _pair)
{
require(_router != address(0), "_router address cannot be 0");
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;
emit UpdatedRouter(_router);
}

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

function transferForeignToken(address _token, address _to)
external
onlyOwner
returns (bool _sent)
{
require(_token != address(0), "_token address cannot be 0");
require(_token != address(this), "Can't withdraw native tokens");
uint256 _contractBalance = IERC20(_token).balanceOf(address(this));
_sent = IERC20(_token).transfer(_to, _contractBalance);
emit TransferForeignToken(_token, _contractBalance);
}

}