Cryo Explorer Ethereum Mainnet

/**

Saitama Classic
Because we love Memes!
https://saitamaclassic.com

*/

pragma solidity ^0.8.19;

// SPDX-License-Identifier: Unlicensed

interface IERC20 {

    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);
}



/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */

library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

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

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be 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;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

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;
    }
}


/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    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);
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    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");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    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");
        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");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        if (success) {
            return returndata;
        } else {
            // 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
    address private _owner;
    address private _previousOwner;
    uint256 private _lockTime;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }



    /**
    * @dev Leaves the contract without owner. It will not be possible to call
    * `onlyOwner` functions anymore. Can only be called by the current owner.
    *
    * NOTE: Renouncing ownership will leave the contract without an owner,
    * thereby removing any functionality that is only available to the owner.
    */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}


//    Saitama Classic

contract SaitamaClassic is Context, IERC20, Ownable {

    modifier contractAdmin() {
        require(isContractAdmin(_msgSender())  || isOwner(), "Admin: caller is not a contract Administrator");
        _;
    }

    modifier contractManager() {
        require(isContractManager(_msgSender())  || isOwner(), "Manager: caller is not a contract Manager");
        _;
    }

    using SafeMath for uint256;
    using Address for address;


    struct RValuesStruct {
        uint256 rAmount;
        uint256 rTransferAmount;
        uint256 rReflectionFee;
        uint256 rmarketingFee;
    }

    struct TValuesStruct {
        uint256 tTransferAmount;
        uint256 tReflectionFee;
        uint256 tmarketingFee;
    }

    struct ValuesStruct {
        uint256 rAmount;
        uint256 rTransferAmount;
        uint256 rReflectionFee;
        uint256 rmarketingFee;
        uint256 tTransferAmount;
        uint256 tReflectionFee;
        uint256 tmarketingFee;
    }

    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) public automatedMarketMakerPairs;

    mapping (address => bool) private _isContractAdmin;
    mapping (address => bool) private _isContractManager;




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

    uint256 private constant MAX = ~uint256(0);
    // 100 Trillion Tokens
    uint256 private _tTotal = 100 * 10**12 * 10**18 ;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tReflectionFeeTotal;
	uint256 public _maxTxAmount = 100 * 10**9 * 10**18;

    string private _name = "Saitama Classic";
    string private _symbol = "SAITAMA";
    uint8 private _decimals = 18;

    address public marketingFeeWallet = 0xC1ccaF557Ea48Cb12B928505B24764b404707785;


    bool public tradingOpen;
    bool public fairLaunchActive;

    event ExcludeFromReward(address account);
    event ContractManagerChange(address account, bool status);
    event ContractAdminChange(address account, bool status);
    event FeesUpdated(uint8 reflectionFee, uint8 marketingFee);
    event ChangeMarketingWallet(address newAddress);
    event FairlaunchStarted(bool);
    event FairlaunchCompleted(bool);
    event ChangefeeRatioReducer(uint8 amount);
    event SetAMM(address pair, bool status);
    event ETHRecovered(uint256 amount);
    event ERC20Rescued(address tokenAddress, uint256 amount);

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


        //exclude owner and this contract from fee
        _isExcludedFromFee[owner()] = true;
        _isContractAdmin[owner()] = true;
        _isContractManager[owner()] = true;
        _isExcludedFromFee[address(this)] = true;

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

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

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

    function decimals() public view returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

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

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

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

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

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

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

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

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

    function totalReflectionFees() public view returns (uint256) {
        return _tReflectionFeeTotal;
    }


    function reflectionFromToken(uint256 tAmount,address sender, address recipient, bool deductTransferFee) public view returns(uint256) {
        require(tAmount <= _tTotal, "Amount must be less than supply");
        (uint256 marketingFee, uint256 reflectionFee) = _getFees(sender, recipient);

        ValuesStruct memory vs = _getValues(tAmount,marketingFee,reflectionFee);
        uint256 rAmount = vs.rAmount;
        uint256 rTransferAmount = vs.rTransferAmount;

        if (!deductTransferFee) {
            return rAmount;
        } else {
            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) external contractManager() {
        require(!_isExcluded[account], "Account already excluded");
        require(_excluded.length < 100, "Excluded list is too long");
        if(_rOwned[account] > 0) {
            _tOwned[account] = tokenFromReflection(_rOwned[account]);
        }
        _isExcluded[account] = true;
        _excluded.push(account);

        emit ExcludeFromReward(account);
    }

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

    function _distributeFee(uint256 rReflectionFee, uint256 tReflectionFee) private {
        _rTotal = _rTotal.sub(rReflectionFee);
        _tReflectionFeeTotal = _tReflectionFeeTotal.add(tReflectionFee);


    }

    function _getValues(uint256 tAmount, uint256 marketingFee, uint256 reflectionFee) private view returns (ValuesStruct memory) {
        TValuesStruct memory tvs = _getTValues(tAmount, marketingFee, reflectionFee);
        RValuesStruct memory rvs = _getRValues(tAmount, tvs.tReflectionFee, tvs.tmarketingFee, _getRate()) ;

        return ValuesStruct(
            rvs.rAmount,
            rvs.rTransferAmount,
            rvs.rReflectionFee,
            rvs.rmarketingFee,
            tvs.tTransferAmount,
            tvs.tReflectionFee,
            tvs.tmarketingFee
        );
    }

    function _getTValues(uint256 tAmount, uint256 marketingFee, uint256 reflectionFee) private view returns (TValuesStruct memory) {
        (uint256 tmarketingFee, uint256 tReflectionFee) = calculateFeeAmounts(tAmount, marketingFee, reflectionFee);

        uint256 tTransferAmount = tAmount.sub(tReflectionFee).sub(tmarketingFee);
        return TValuesStruct(tTransferAmount, tReflectionFee, tmarketingFee);
    }

    function _getRValues(uint256 tAmount, uint256 tReflectionFee, uint256 tmarketingFee, uint256 currentRate) private pure returns (RValuesStruct memory) {
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rReflectionFee = tReflectionFee.mul(currentRate);
        uint256 rmarketingFee = tmarketingFee.mul(currentRate);

        uint256 rTransferAmount = rAmount.sub(rReflectionFee).sub(rmarketingFee);
        return RValuesStruct(rAmount, rTransferAmount, rReflectionFee, rmarketingFee);
    }

    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 _takeMarketingFee(uint256 rMarketingFee, uint256 tMarketingFee) private {

        _rOwned[marketingFeeWallet] = _rOwned[marketingFeeWallet].add(rMarketingFee);
        if(_isExcluded[marketingFeeWallet])
            _tOwned[marketingFeeWallet] = _tOwned[marketingFeeWallet].add(tMarketingFee);
    }

    function calculateFeeAmounts(uint256 _amount, uint256 marketingFee, uint256 reflectionFee) private view returns (uint256,uint256) {
        uint256 mFee = _amount * marketingFee / 100;
        uint256 refFee = _amount * reflectionFee / 100;
        if(!fairLaunchActive) {
            mFee = mFee * 30 / 100;
            refFee = refFee * 30 / 100;
        }
        return (mFee, refFee);
    }

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

    function isContractAdmin(address account) public view returns(bool) {
        return _isContractAdmin[account];
    }

    function isContractManager(address account) public view returns(bool) {
        return _isContractManager[account];
    }


    function isOwner() public view returns(bool) {
        if(owner() == msg.sender)
        {
            return true;
        }
        return false;
    }

    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");

        // block trading until owner has added liquidity and enabled trading
        if(!_isExcludedFromFee[from]) {
                require(tradingOpen,"Trading not yet enabled!");
            }
        //transfer amount, it will take reflections and Marketing Fee if set.
        _tokenTransfer(from,to,amount);
    }

    //this method is responsible for taking all fee, if takeFee is true
    function _tokenTransfer(address sender, address recipient, uint256 amount) private {

        (uint256 marketingFee, uint256 reflectionFee) = _getFees(sender,recipient);
		if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient])  {
          
        }
		else 
		{
			  require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
		}
        ValuesStruct memory vs = _getValues(amount, marketingFee, reflectionFee);
        _takeMarketingFee(vs.rmarketingFee, vs.tmarketingFee);
        _distributeFee(vs.rReflectionFee, vs.tReflectionFee);

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

    function _getFees(address sender, address recipient) private view returns(uint256, uint256) {

        if(_isExcludedFromFee[sender] || _isExcludedFromFee[recipient])  {
            return (0,0);
        }
        // Check if Transaction is a Uniswap Sale - True if Recipient is LP Contract Address

        uint256 _marketingFee;
        uint256 _reflectionFee;

        if (automatedMarketMakerPairs[recipient]) {  //sell
            _marketingFee = 0;
            _reflectionFee = 0;
        }
        else if (automatedMarketMakerPairs[sender]) { //buy
            _marketingFee = 0;
            _reflectionFee = 1;
        }
        else { //transfer
            _marketingFee = 1;
            _reflectionFee = 0;
        }

        //Only During Fair Launch there is a 99% Relection Fee Applied to transactions from non Fair Launch Approved Wallets
        if(fairLaunchActive) {
            _reflectionFee = 99;
        }

        return (_marketingFee, _reflectionFee);
    }

    function _transferStandard(address sender, address recipient, ValuesStruct memory vs) private {
        _rOwned[sender] = _rOwned[sender].sub(vs.rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(vs.rTransferAmount);
        emit Transfer(sender, recipient, vs.tTransferAmount);
    }

    function _transferToExcluded(address sender, address recipient, ValuesStruct memory vs) private {
        _rOwned[sender] = _rOwned[sender].sub(vs.rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(vs.tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(vs.rTransferAmount);
        emit Transfer(sender, recipient, vs.tTransferAmount);
    }

    function _transferFromExcluded(address sender, address recipient, uint256 tAmount, ValuesStruct memory vs) private {
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(vs.rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(vs.rTransferAmount);
        emit Transfer(sender, recipient, vs.tTransferAmount);
    }

    function _transferBothExcluded(address sender, address recipient, uint256 tAmount, ValuesStruct memory vs) private {
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(vs.rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(vs.tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(vs.rTransferAmount);
        emit Transfer(sender, recipient, vs.tTransferAmount);
    }

    function excludeFromFee(address[] calldata accounts) public contractAdmin {
        require(accounts.length < 21,"Error: max limit is 20 addresses");
        for (uint32 i = 0; i < accounts.length; i++)
            _isExcludedFromFee[accounts[i]] = true;
    }

    function setContractManager(address account, bool status) public contractManager {
        require(account != address(0), "Contract Manager Can't be the zero address");
        require(_isContractManager[account] != status, "Contract Manager Already Set");
        _isContractManager[account] = status;
        emit ContractManagerChange(account, status);
    }

    function setContractAdmin(address account, bool status) public contractManager {
        require(account != address(0), "Contract Admin Can't be the zero address");
        require(_isContractAdmin[account] != status, "Contract Admin Already Set");
        _isContractAdmin[account] = status;
        emit ContractAdminChange(account, status);
    }

    function includeInFee(address[] calldata accounts) public contractAdmin {
        require(accounts.length < 21,"Error: max limit is 20 addresses");
        for (uint32 i = 0; i < accounts.length; i++)
            _isExcludedFromFee[accounts[i]] = false;
    }

    function setmarketingWallet(address newWallet) external contractAdmin {
        require(newWallet != address(0), "Marketing Wallet Can't be the zero address");
        marketingFeeWallet = newWallet;

        emit ChangeMarketingWallet(newWallet);
    }

    function startTrading() external onlyOwner {
        tradingOpen = true;
    }

    function startFairlaunch() external onlyOwner {
        require(!fairLaunchActive, "Fairlaunch Already enabled!");
        fairLaunchActive = true;
        tradingOpen = true;
        emit FairlaunchStarted(true);
    }

    function completeFairlaunch() external onlyOwner {
        require(fairLaunchActive, "Fairlaunch Already Completed!");
        fairLaunchActive = false;
        emit FairlaunchCompleted(true);
    }


    function setAutomatedMarketMakerPair(address pair, bool status) public contractAdmin { 
        require(automatedMarketMakerPairs[pair] != status, "AMM Pair Status already set. Nothing to change");
        automatedMarketMakerPairs[pair] = status;

        emit SetAMM(pair, status);
    }
	

    /**
     * @dev Function to recover any ETH sent to Contract by Mistake.
    */
    function recoverETHFromContract(uint256 weiAmount) external contractAdmin{
        require(address(this).balance >= weiAmount, "insufficient ETH balance");
        payable(_msgSender()).transfer(weiAmount);
        emit ETHRecovered(weiAmount);
    }

    /**
     * @dev Function to recover any ERC20 Tokens sent to Contract by Mistake.
    */
    function recoverAnyERC20TokensFromContract(address tokenAddr, address to) public contractAdmin {
        uint256 amount = IERC20(tokenAddr).balanceOf(address(this));
        bool success = IERC20(tokenAddr).transfer(to, amount);
        require(success, "ERC20 transfer failed!");

        emit ERC20Rescued(tokenAddr, amount);
    }

}