pragma solidity 0.8.25;
// SPDX-License-Identifier: MIT
/**
ZKGPT - The AI-powered Web3 search engine designed for ultimate privacy and security
Dapp: https://zkgpt.io
Website: https://info.zkgpt.io
Twitter: https://x.com/zkgptio
Telegram: https://t.me/zkgptio
KYC: https://assuredefi.com/projects/zkgpt
Docs: https://docs.zkgpt.io/
*/
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
    function _msgData() internal view virtual returns (bytes calldata) {
        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 amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);
    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);
    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);
    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);
    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);
    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC20Metadata is IERC20{
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);
    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);
    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    uint256 private _totalSupply;
    string private _name;
    string private _symbol;
    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }
    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }
    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }
    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }
    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }
    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }
    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }
    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }
    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }
    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }
    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }
    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }
        return true;
    }
    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(address from, address to, uint256 amount) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }
        emit Transfer(from, to, amount);
    }
    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");
        _totalSupply += amount;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);
    }
    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        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);
    }
    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }
}
contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }
    function owner() public view returns (address) {
        return _owner;
    }
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}
library Address {
    function isContract(address account) internal view returns (bool) {
        return account.code.length > 0;
    }
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");
        (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 functionCallWithValue(target, data, 0, "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);
    }
    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }
    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }
    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }
    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }
    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }
    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }
    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }
    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }
    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}
library SafeERC20 {
    using Address for address;
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }
}
interface IPriceFeed {
    function latestAnswer() external view returns (int256);
}
interface ILpPair {
    function sync() external;
    function mint(address to) external;
}
interface IWETH {
    function deposit() external payable; 
}
interface IDexRouter {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function swapExactTokensForETHSupportingFeeOnTransferTokens(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 returns (uint[] memory amounts);
}
interface IDexFactory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract ZKGPT is ERC20, Ownable {
    mapping (address => bool) public exemptFromFees;
    mapping (address => bool) public exemptFromLimits;
    bool public tradingAllowed;
    mapping (address => bool) public isAMMPair;
    address public taxAddress1;
    address public taxAddress2;
    address public incubatorAddress;
    uint24 public buyTax;
    uint24 public sellTax;
    uint24 public buyTaxPhase1;
    uint24 public sellTaxPhase1;
    uint128 public maxWalletPhase1;
    bool public phase1Activated;
    uint24 public buyTaxPhase2;
    uint24 public sellTaxPhase2;
    uint128 public maxWalletPhase2;
    bool public phase2Activated;
    uint24 public buyTaxPhase3;
    uint24 public sellTaxPhase3;
    uint128 public maxWalletPhase3;
    bool public phase3Activated;
    uint24 public buyTaxPhaseFinal;
    uint24 public sellTaxPhaseFinal;
    uint128 public maxWalletPhaseFinal;
    uint256 public immutable WL_DURATION;
    uint24 public taxAddress1Split; // 10000 = 100%
    uint256 public whitelistStartTime;
    mapping (address => bool) public whitelistedAddress;
    bool public whitelistActive;
    uint256 public lastSwapBackBlock;
    bool public limited = true;
    uint256 public maxWallet;
    uint256 public immutable swapTokensAtAmt;
    address public immutable lpPair;
    IDexRouter public immutable dexRouter;
    address public immutable WETH;
    uint64 public constant FEE_DIVISOR = 10000;
    uint256 public launchTimestamp;
    bool public dynamicTaxOn;
    // constructor
    constructor()
        ERC20("ZKGPT", "ZKGPT")
    {   
        uint256 _totalSupply = 1_000_000_000 * 1e18;
        _mint(address(msg.sender), _totalSupply);
        address _v2Router;
        dynamicTaxOn = true;
        whitelistActive = true;
        WL_DURATION = 5 minutes;
        // @dev assumes WETH pair
        if(block.chainid == 1){
            _v2Router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
            whitelistedAddress[0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD] = true;
            whitelistedAddress[0x000000fee13a103A10D593b9AE06b3e05F2E7E1c] = true;
        } else if(block.chainid == 11155111){
            _v2Router = 0xa3D89E5B9C7a863BF4535F349Bc5619ABe72fb09;
        } else if(block.chainid == 8453){ // BASE
            _v2Router = 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24;
            whitelistedAddress[0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD] = true;
            whitelistedAddress[0x5d64D14D2CF4fe5fe4e65B1c7E3D11e18D493091] = true;
        } else {
            revert("Chain not configured");
        }
        dexRouter = IDexRouter(_v2Router);
        swapTokensAtAmt = totalSupply() * 25 / 100000;
        taxAddress1 = 0xBC76853b586dc1652E0c3b7C418Ac6c584a678D6; // update
        taxAddress2 = address(0); // update, leave as address(0) if not adding a second tax wallet
        incubatorAddress = msg.sender;
        // starting buy tax, set whether whitelist is enabled or not
        buyTax = 2000; // starting
        sellTax = 2000; // starting
        maxWallet = uint128(totalSupply() * 5 / 1000); // starting;
         // first phase after WL (0-5 minutes)
        buyTaxPhase1 = 2000;
        sellTaxPhase1 = 2000;
        maxWalletPhase1 = uint128(totalSupply() * 2 / 1000);
        // second phase after WL (5-10 minutes)
        buyTaxPhase2 = 1500;
        sellTaxPhase2 = 1500;
        maxWalletPhase2 = uint128(totalSupply() * 5 / 1000);
         // third phase after WL (10-15 minutes)
        buyTaxPhase3 = 1000;
        sellTaxPhase3 = 1000;
        maxWalletPhase3 = uint128(totalSupply() * 1 / 100);
        buyTaxPhaseFinal = 500;
        sellTaxPhaseFinal = 500;
        maxWalletPhaseFinal = uint128(totalSupply());
        taxAddress1Split = 10000;
        require(taxAddress1Split <= 10000, "Cannot exceed 100% for tax split");
        if(taxAddress2 == address(0)){
            taxAddress1Split = 10000;
        }
        WETH = dexRouter.WETH();
        lpPair = IDexFactory(dexRouter.factory()).createPair(address(this), WETH);
        isAMMPair[lpPair] = true;
        exemptFromLimits[lpPair] = true;
        exemptFromLimits[msg.sender] = true;
        exemptFromLimits[address(this)] = true;
        exemptFromLimits[address(0xdead)] = true;
        exemptFromFees[msg.sender] = true;
        exemptFromFees[address(this)] = true;
        exemptFromFees[address(dexRouter)] = true;
        exemptFromFees[address(0xdead)] = true;
 
        _approve(address(this), address(dexRouter), type(uint256).max);
        _approve(address(msg.sender), address(dexRouter), totalSupply());
    }
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        
        if(!exemptFromFees[from] && !exemptFromFees[to]){
            require(tradingAllowed, "Trading not active");
            amount -= handleTax(from, to, amount);
            checkLimits(from, to, amount);
        }
        super._transfer(from,to,amount);
    }
    function checkLimits(address from, address to, uint256 amount) internal {
        if(limited){
            
            bool exFromLimitsTo = exemptFromLimits[to];
            uint256 balanceOfTo = balanceOf(to);
            if(whitelistActive){
                if(whitelistStartTime + WL_DURATION  >= block.timestamp){
                    if (isAMMPair[from] && !exFromLimitsTo) {
                        require(whitelistedAddress[to], "Not whitelisted");
                    }
                    else if (isAMMPair[to] && !exemptFromLimits[from]) {
                        require(whitelistedAddress[from], "Not whitelisted");
                    }
                    else if(!exFromLimitsTo) {
                        require(whitelistedAddress[to] && whitelistedAddress[from], "Not whitelisted");
                    }
                } else {
                    whitelistActive = false;
                    buyTax = buyTaxPhase1;
                    sellTax = sellTaxPhase1;
                    maxWallet = maxWalletPhase1;
                    phase1Activated = true;
                }
            }
            // buy
            if (isAMMPair[from] && !exFromLimitsTo) {
                require(amount + balanceOfTo <= maxWallet, "Max Wallet");
            }
            else if(!exFromLimitsTo) {
                require(amount + balanceOfTo <= maxWallet, "Max Wallet");
            }
        }
    }
    function handleTax(address from, address to, uint256 amount) internal returns (uint256){
        if(balanceOf(address(this)) >= swapTokensAtAmt && !isAMMPair[from] && lastSwapBackBlock + 1 <= block.number) {
            convertTaxes();
        }
        if(dynamicTaxOn && !whitelistActive){
            setInternalTaxes();
        }
        
        uint128 tax = 0;
        uint24 taxes;
        if (isAMMPair[to]){
            taxes = sellTax;
        } else if(isAMMPair[from]){
            taxes = buyTax;
        }
        if(taxes > 0){
            tax = uint128(amount * taxes / FEE_DIVISOR);
            super._transfer(from, address(this), tax);
        }
        
        return tax;
    }
    function swapTokensForETH(uint256 tokenAmt) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = WETH;
        dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmt,
            0,
            path,
            address(this),
            block.timestamp
        );
    }
    function convertTaxes() private {
        uint256 contractBalance = balanceOf(address(this));
        
        if(contractBalance == 0) {return;}
        lastSwapBackBlock = block.number;
        if(contractBalance > swapTokensAtAmt * 10){
            contractBalance = swapTokensAtAmt * 10;
        }
        if(contractBalance > 0){
            swapTokensForETH(contractBalance);
            
            uint256 ethBalance = address(this).balance;
            bool success;
            if(incubatorAddress != address(0)){
                uint256 amountForIncubator = ethBalance * 2000 / FEE_DIVISOR;
                (success,) = incubatorAddress.call{value: amountForIncubator}(""); // 20%
                ethBalance -= amountForIncubator;
            }
            if(taxAddress1Split == 10000){
                (success,) = taxAddress1.call{value: ethBalance}("");  
            } else {
                uint256 taxAddress1Portion = ethBalance * taxAddress1Split / FEE_DIVISOR;
                (success,) = taxAddress1.call{value: taxAddress1Portion}("");
                (success,) = taxAddress2.call{value: ethBalance - taxAddress1Portion}("");
            }
        }
    }
    function enableTrading() external onlyOwner {
        require(!tradingAllowed, "Trading already enabled");
        tradingAllowed = true;
        if(whitelistActive){
            whitelistStartTime = block.timestamp;
            launchTimestamp = whitelistStartTime + WL_DURATION;
        } else {
            launchTimestamp = block.timestamp;
            buyTax = buyTaxPhase1;
            sellTax = sellTaxPhase1;
            maxWallet = maxWalletPhase1;
            phase1Activated = true;
            
        }
    }
    function revokeIncubatorTax() external {
        require(msg.sender == incubatorAddress, "Not incubator");
        incubatorAddress = address(0);
    }
    function whitelistWallets(address[] calldata wallets, bool _whitelist) external onlyOwner {
        for(uint256 i = 0; i < wallets.length; i++){
            whitelistedAddress[wallets[i]] = _whitelist;
        }
    }
    receive() payable external {}
    function setInternalTaxes() internal {
        uint256 currentTimestamp = block.timestamp;
        uint256 timeSinceLaunch;
        
        if(currentTimestamp >= launchTimestamp){
            timeSinceLaunch = currentTimestamp - launchTimestamp;
        }
        if(timeSinceLaunch >= 15 minutes){
            dynamicTaxOn = false;
            buyTax = buyTaxPhaseFinal;
            sellTax = sellTaxPhaseFinal;
            maxWallet = maxWalletPhaseFinal;
            if(maxWallet == totalSupply()){
                limited = false;
            }
        } else if(timeSinceLaunch >= 10 minutes){
            if(!phase3Activated){
                buyTax = buyTaxPhase3;
                sellTax = sellTaxPhase3;
                maxWallet = maxWalletPhase3;
                phase3Activated = true;
            }
        } else if(timeSinceLaunch >= 5 minutes){
            if(!phase2Activated){
                buyTax = buyTaxPhase2;
                sellTax = sellTaxPhase2;
                maxWallet = maxWalletPhase2;
                phase2Activated = true;
            }
        }
    }
    function updateTax(uint24 _buyTax, uint24 _sellTax) external onlyOwner {
        require(_buyTax < buyTax || _buyTax <= 500, "Cannot raise buy tax over 5%");
        require(_sellTax < sellTax || _sellTax <= 500, "Cannot raise buy tax over 5%");
        buyTax = _buyTax;
        sellTax = _sellTax;
    }
    function removeLimits() external onlyOwner {
        require(limited, "Limits already removed");
        limited = false;
    }
    function removeWhitelist() external onlyOwner {
        require(whitelistActive, "Whitelist already inactive");
        whitelistActive = false;
        buyTax = buyTaxPhase1;
        sellTax = sellTaxPhase1;
        maxWallet = maxWalletPhase1;
        phase1Activated = true;
    }
}