// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

abstract contract Context {
function _msgSender() internal view returns (address payable) {
return payable(msg.sender);
}

function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}

interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);

/**
* @dev Returns the token decimals.
*/
function decimals() external view returns (uint8);

/**
* @dev Returns the token symbol.
*/
function symbol() external view returns (string memory);

/**
* @dev Returns the token name.
*/
function name() external view returns (string memory);

/**
* @dev Returns the bep token owner.
*/
function getOwner() external view returns (address);

/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);

/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);

/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address _owner, address spender) external view returns (uint256);

/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);

/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);

/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}

interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address lpPair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address lpPair);
function allPairs(uint) external view returns (address lpPair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address lpPair);
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 mint(address to) external returns (uint liquidity);
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;
}

interface AntiSnipe {
function checkUser(address from, address to, uint256 amt) external returns (bool);
function setLaunch(address _initialLpPair, uint32 _liqAddBlock, uint64 _liqAddStamp) external;
function setLpPair(address pair, bool enabled) external;
function setProtections(bool _as, bool _ag, bool _ab) external;
function setGasPriceLimit(uint256 gas) external;
function removeSniper(address account) external;
function setBlacklistEnabled(address account, bool enabled) external;
}

contract BuyOrCry is Context, IERC20 {
//contract Buy or Cry is Context, IERC20 {
// Ownership moved to in-contract for customizability.
address private _owner;

mapping (address => uint256) private _tOwned;
mapping (address => bool) lpPairs;
uint256 private timeSinceLastPair = 0;
mapping (address => mapping (address => uint256)) private _allowances;

mapping (address => bool) private _isExcludedFromFees;

mapping (address => bool) private presaleAddresses;
bool private allowedPresaleExclusion = true;
mapping (address => bool) private _isSniper;
mapping (address => bool) private _liquidityHolders;

uint256 private startingSupply = 1_000_000_000_000_000;

string constant private _name = "Buy Or Cry";
string constant private _symbol = "BUY";

struct FeesStruct {
uint16 buyFee;
uint16 sellFee;
uint16 transferFee;
}

struct StaticValuesStruct {
uint16 maxBuyTaxes;
uint16 maxSellTaxes;
uint16 maxTransferTaxes;
uint16 masterTaxDivisor;
}

struct Ratios {
uint16 liquidityRatio;
uint16 marketingRatio;
uint16 buybackRatio;
uint16 totalRatio;
}

FeesStruct public _taxRates = FeesStruct({
buyFee: 600,
sellFee: 1100,
transferFee: 600
});

Ratios public _ratios = Ratios({
liquidityRatio: 400,
marketingRatio: 400,
buybackRatio: 900,
totalRatio: 1700
});

StaticValuesStruct public staticVals = StaticValuesStruct({
maxBuyTaxes: 2500,
maxSellTaxes: 2500,
maxTransferTaxes: 2500,
masterTaxDivisor: 10000
});

uint256 private constant MAX = ~uint256(0);
uint8 private _decimals = 9;
uint256 private _decimalsMul = _decimals;
uint256 private _tTotal = startingSupply * 10**_decimalsMul;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;

IUniswapV2Router02 public dexRouter;
address public lpPair;

// PCS ROUTER
address constant private _routerAddress = 0x10ED43C718714eb63d5aA57B78B54704E256024E;

address constant public DEAD = 0x000000000000000000000000000000000000dEaD;
address payable private _marketingWallet = payable(0xc226A8ab6b9d278153588172F9165EBAC6b000A7);
address payable private _buybackWallet = payable(0x18E3EC728642b2eF7B37B558b4d87bB0A5C77C00);

bool inSwap;
bool public contractSwapEnabled = false;

uint256 private maxTxPercent = 1;
uint256 private maxTxDivisor = 100;
uint256 private _maxTxAmount = (_tTotal * maxTxPercent) / maxTxDivisor;
uint256 public maxTxAmountUI = (startingSupply * maxTxPercent) / maxTxDivisor;

uint256 private maxWalletPercent = 2;
uint256 private maxWalletDivisor = 100;
uint256 private _maxWalletSize = (_tTotal * maxWalletPercent) / maxWalletDivisor;
uint256 public maxWalletSizeUI = (startingSupply * maxWalletPercent) / maxWalletDivisor;

uint256 private swapThreshold = (_tTotal * 5) / 10000;
uint256 private swapAmount = (_tTotal * 5) / 1000;

bool public tradingEnabled = false;
bool public _hasLiqBeenAdded = false;
AntiSnipe antiSnipe;

event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event ContractSwapEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SniperCaught(address sniperAddress);

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

modifier onlyOwner() {
require(_owner == _msgSender(), "Caller =/= owner.");
_;
}

constructor () payable {
_tOwned[_msgSender()] = _tTotal;

// Set the owner.
_owner = msg.sender;

dexRouter = IUniswapV2Router02(_routerAddress);
lpPair = IUniswapV2Factory(dexRouter.factory()).createPair(dexRouter.WETH(), address(this));
lpPairs[lpPair] = true;

_approve(_msgSender(), _routerAddress, type(uint256).max);
_approve(address(this), _routerAddress, type(uint256).max);

_isExcludedFromFees[owner()] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[DEAD] = true;
_liquidityHolders[owner()] = true;

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

receive() external payable {}

//===============================================================================================================
//===============================================================================================================
//===============================================================================================================
// Ownable removed as a lib and added here to allow for custom transfers and recnouncements.
// This allows for removal of ownership privelages from the owner once renounced or transferred.
function owner() public view returns (address) {
return _owner;
}

function transferOwner(address newOwner) external onlyOwner() {
require(newOwner != address(0), "Call renounceOwnership to transfer owner to the zero address.");
require(newOwner != DEAD, "Call renounceOwnership to transfer owner to the zero address.");
setExcludedFromFees(_owner, false);
setExcludedFromFees(newOwner, true);

if (_marketingWallet == payable(_owner))
_marketingWallet = payable(newOwner);

if(balanceOf(_owner) > 0) {
_transfer(_owner, newOwner, balanceOf(_owner));
}

_owner = newOwner;
emit OwnershipTransferred(_owner, newOwner);

}

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

function totalSupply() external view override returns (uint256) { return _tTotal; }
function decimals() external view override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return owner(); }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }

function balanceOf(address account) public view override returns (uint256) {
return _tOwned[account];
}

function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}

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

function _approve(address sender, address spender, uint256 amount) private {
require(sender != address(0), "ERC20: Zero Address");
require(spender != address(0), "ERC20: Zero Address");

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

function approveContractContingency() public onlyOwner returns (bool) {
_approve(address(this), address(dexRouter), type(uint256).max);
return true;
}

function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if (_allowances[sender][msg.sender] != type(uint256).max) {
_allowances[sender][msg.sender] -= amount;
}

return _transfer(sender, recipient, amount);
}

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

function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] - subtractedValue);
return true;
}

function setNewRouter(address newRouter) public onlyOwner() {
IUniswapV2Router02 _newRouter = IUniswapV2Router02(newRouter);
address get_pair = IUniswapV2Factory(_newRouter.factory()).getPair(address(this), _newRouter.WETH());
if (get_pair == address(0)) {
lpPair = IUniswapV2Factory(_newRouter.factory()).createPair(address(this), _newRouter.WETH());
}
else {
lpPair = get_pair;
}
dexRouter = _newRouter;
_approve(address(this), address(dexRouter), type(uint256).max);
}

function setLpPair(address pair, bool enabled) external onlyOwner {
if (enabled == false) {
lpPairs[pair] = false;
antiSnipe.setLpPair(pair, false);
} else {
if (timeSinceLastPair != 0) {
require(block.timestamp - timeSinceLastPair > 1 weeks, "Cannot set a new pair this week!");
}
lpPairs[pair] = true;
timeSinceLastPair = block.timestamp;
antiSnipe.setLpPair(pair, true);
}
}

function isExcludedFromFees(address account) public view returns(bool) {
return _isExcludedFromFees[account];
}

function setExcludedFromFees(address account, bool enabled) public onlyOwner {
_isExcludedFromFees[account] = enabled;
}

function setInitializer(address initializer) external onlyOwner {
require(!_hasLiqBeenAdded, "Liquidity is already in.");
antiSnipe = AntiSnipe(initializer);
}

function removeSniper(address account) external onlyOwner() {
antiSnipe.removeSniper(account);
}

function setProtectionSettings(bool _antiSnipe, bool _antiGas, bool _antiBlock) external onlyOwner() {
antiSnipe.setProtections(_antiSnipe, _antiGas, _antiBlock);
}

function setGasPriceLimit(uint256 gas) external onlyOwner {
require(gas >= 75, "Too low.");
antiSnipe.setGasPriceLimit(gas);
}

function setTaxes(uint16 buyFee, uint16 sellFee, uint16 transferFee) external onlyOwner {
require(buyFee <= staticVals.maxBuyTaxes
&& sellFee <=staticVals. maxSellTaxes
&& transferFee <= staticVals.maxTransferTaxes,
"Cannot exceed maximums.");
_taxRates.buyFee = buyFee;
_taxRates.sellFee = sellFee;
_taxRates.transferFee = transferFee;
}

function setRatios(uint16 liquidity, uint16 marketing) external onlyOwner {
require (liquidity marketing == 100, "Must add up to 100%");
_ratios.liquidityRatio = liquidity;
_ratios.marketingRatio = marketing;
_ratios.totalRatio = liquidity marketing;
}

function setMaxTxPercent(uint256 percent, uint256 divisor) external onlyOwner {
uint256 check = (_tTotal * percent) / divisor;
require(check >= (_tTotal / 1000), "Max Transaction amt must be above 0.1% of total supply.");
_maxTxAmount = check;
maxTxAmountUI = (startingSupply * percent) / divisor;
}

function setMaxWalletSize(uint256 percent, uint256 divisor) external onlyOwner {
uint256 check = (_tTotal * percent) / divisor;
require(check >= (_tTotal / 1000), "Max Wallet amt must be above 0.1% of total supply.");
_maxWalletSize = check;
maxWalletSizeUI = (startingSupply * percent) / divisor;
}

function setSwapSettings(uint256 thresholdPercent, uint256 thresholdDivisor, uint256 amountPercent, uint256 amountDivisor) external onlyOwner {
swapThreshold = (_tTotal * thresholdPercent) / thresholdDivisor;
swapAmount = (_tTotal * amountPercent) / amountDivisor;
}

function setWallets(address payable marketingWallet, address payable buybackWallet) external onlyOwner {
_marketingWallet = payable(marketingWallet);
_buybackWallet = payable(buybackWallet);
}

function setContractSwapEnabled(bool _enabled) public onlyOwner {
contractSwapEnabled = _enabled;
emit ContractSwapEnabledUpdated(_enabled);
}

function excludePresaleAddresses(address router, address presale) external onlyOwner {
require(allowedPresaleExclusion, "Function already used.");
if (router == presale) {
_liquidityHolders[presale] = true;
presaleAddresses[presale] = true;
setExcludedFromFees(presale, true);
} else {
_liquidityHolders[router] = true;
_liquidityHolders[presale] = true;
presaleAddresses[router] = true;
presaleAddresses[presale] = true;
setExcludedFromFees(router, true);
setExcludedFromFees(presale, true);
}
}

function _hasLimits(address from, address to) private view returns (bool) {
return from != owner()
&& to != owner()
&& !_liquidityHolders[to]
&& !_liquidityHolders[from]
&& to != DEAD
&& to != address(0)
&& from != address(this);
}

function _transfer(address from, address to, uint256 amount) internal returns (bool) {
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(_hasLimits(from, to)) {
if(!tradingEnabled) {
revert("Trading not yet enabled!");
}
if(lpPairs[from] || lpPairs[to]){
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
if(to != _routerAddress && !lpPairs[to]) {
require(balanceOf(to) amount <= _maxWalletSize, "Transfer amount exceeds the maxWalletSize.");
}
}

bool takeFee = true;
if(_isExcludedFromFees[from] || _isExcludedFromFees[to]){
takeFee = false;
}

if (lpPairs[to]) {
if (!inSwap
&& contractSwapEnabled
&& !presaleAddresses[to]
&& !presaleAddresses[from]
) {
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance >= swapThreshold) {
if(contractTokenBalance >= swapAmount) { contractTokenBalance = swapAmount; }
contractSwap(contractTokenBalance);
}
}
}
return _finalizeTransfer(from, to, amount, takeFee);
}

uint256 public _aAaAmarketBal;
uint256 public _aAaAliquidityBal;
uint256 public _aAaAbuybackBal;

function contractSwap(uint256 contractTokenBalance) private lockTheSwap {
if (_ratios.totalRatio == 0)
return;

if(_allowances[address(this)][address(dexRouter)] != type(uint256).max) {
_allowances[address(this)][address(dexRouter)] = type(uint256).max;
}

uint256 toLiquify = ((contractTokenBalance * _ratios.liquidityRatio) / _ratios.totalRatio) / 2;

uint256 toSwapForEth = contractTokenBalance - toLiquify;

address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();

dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
toSwapForEth,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);

uint256 liquidityBalance = ((address(this).balance * _ratios.liquidityRatio) / _ratios.totalRatio) / 2;
_aAaAliquidityBal = liquidityBalance;

if (toLiquify > 0) {
dexRouter.addLiquidityETH{value: liquidityBalance}(
address(this),
toLiquify,
0, // slippage is unavoidable
0, // slippage is unavoidable
DEAD,
block.timestamp
);
emit SwapAndLiquify(toLiquify, liquidityBalance, toLiquify);
}
if (contractTokenBalance - toLiquify > 0) {
_aAaAmarketBal = (address(this).balance * _ratios.liquidityRatio) / (_ratios.marketingRatio _ratios.buybackRatio);
_marketingWallet.transfer((address(this).balance * _ratios.liquidityRatio) / (_ratios.marketingRatio _ratios.buybackRatio));
_aAaAbuybackBal = address(this).balance;
_buybackWallet.transfer(address(this).balance);
}
}

function _checkLiquidityAdd(address from, address to) private {
require(!_hasLiqBeenAdded, "Liquidity already added and marked.");
if (!_hasLimits(from, to) && to == lpPair) {
_liquidityHolders[from] = true;
_hasLiqBeenAdded = true;
if(address(antiSnipe) == address(0)){
antiSnipe = AntiSnipe(address(this));
}
contractSwapEnabled = true;
emit ContractSwapEnabledUpdated(true);
}
}

function enableTrading() public onlyOwner {
require(!tradingEnabled, "Trading already enabled!");
require(_hasLiqBeenAdded, "Liquidity must be added.");
try antiSnipe.setLaunch(lpPair, uint32(block.number), uint64(block.timestamp)) {} catch {}
tradingEnabled = true;
}

function sweepContingency() external onlyOwner {
require(!_hasLiqBeenAdded, "Cannot call after liquidity.");
payable(owner()).transfer(address(this).balance);
}

function _finalizeTransfer(address from, address to, uint256 amount, bool takeFee) private returns (bool) {
if (!_hasLiqBeenAdded) {
_checkLiquidityAdd(from, to);
if (!_hasLiqBeenAdded && _hasLimits(from, to)) {
revert("Only owner can transfer at this time.");
}
}

if (_hasLimits(from, to)) {
bool checked;
try antiSnipe.checkUser(from, to, amount) returns (bool check) {
checked = check;
} catch {
revert();
}

if(!checked) {
revert();
}
}

_tOwned[from] -= amount;
uint256 amountReceived = (takeFee) ? takeTaxes(from, to, amount) : amount;
_tOwned[to] = amountReceived;

emit Transfer(from, to, amountReceived);
return true;
}

function takeTaxes(address from, address to, uint256 amount) internal returns (uint256) {
uint256 currentFee;
if (from == lpPair) {
currentFee = _taxRates.buyFee;
} else if (to == lpPair) {
currentFee = _taxRates.sellFee;
} else {
currentFee = _taxRates.transferFee;
}

uint256 feeAmount = amount * currentFee / staticVals.masterTaxDivisor;

_tOwned[address(this)] = feeAmount;
emit Transfer(from, address(this), feeAmount);

return amount - feeAmount;
}
}