Cryo Explorer Ethereum Mainnet

/**
* ███████╗██╗      ██████╗ ███╗   ██╗  ████████╗██╗  ██╗███████╗   ██████╗  ██████╗  ██████╗ 
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* █████╗  ██║     ██║   ██║██╔██╗ ██║     ██║   ███████║█████╗     ██║  ██║██║   ██║██║  ███╗
* ██╔══╝  ██║     ██║   ██║██║╚██╗██║     ██║   ██╔══██║██╔══╝     ██║  ██║██║   ██║██║   ██║
* ███████╗███████╗╚██████╔╝██║ ╚████║     ██║   ██║  ██║███████╗   ██████╔╝╚██████╔╝╚██████╔╝
* ╚══════╝╚══════╝ ╚═════╝ ╚═╝  ╚═══╝     ╚═╝   ╚═╝  ╚═╝╚══════╝   ╚═════╝  ╚═════╝  ╚═════╝ 
*
* Telegram: https://t.me/ElonTDOfficial
* Website: https://elonthedog.com/
* 
* -AntiBOT: searching for known BOTs to lock them. 
* -AntiDump: temporary limits eailer transactions on the beggining to prevent high dumps later. 
*  (trasaction must be LESS than 10000000000000000 tokens until all limits will be Off)
* -AirDrops: burns 2% tokens for each buy/sell transaciton, and airdrop it (spreads) to other holders,
* 
*/                                                                                    

// SPDX-License-Identifier: Unlicensed

pragma solidity ^0.6.12;

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

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

interface 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);
}

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;
    }
}

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);
            }
        }
    }
}

contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        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;
    }
}

contract ElonTheDog is Context, IERC20, Ownable {
    using SafeMath for uint256;
    using Address for address;

    mapping (address => uint256) private _rOwned;
    mapping (address => uint256) private _tOwned;
    mapping (address => mapping (address => uint256)) private _allowances;

    mapping (address => bool) private _isExcluded;
    address[] private _excluded;
    
    // prepare database for known BOTs addresses
    mapping (address => bool) private BOTaddressToLock;
    address private BOTaddress1;
    address private BOTaddress2;
    address private BOTaddress3;
    address private BOTaddress4;
    address private BOTaddress5;
    address private BOTaddress6;
    address private BOTaddress7;
    address private BOTaddress8;
    address private BOTaddress9;
    address private BOTaddress10;
    address private BOTaddress11;
    address private BOTaddress12;
    address private BOTaddress13;
    address private BOTaddress14;
    address private BOTaddress15;
    address private BOTaddress16;
    event BOTisLocked (address BOTaddress, bool isLocked);
    
    bool _contractRunning;
    event isContractStarted (bool contractIsRunning);
    
    // Prepare variables for temporaty limits features.
    uint256 _maxTokensLimitDuringFirstHour;
    uint256 _maxTokensInitialLimit;
    uint256 currentLimit;
    bool maxTokensLimitDuringFirstHour;
    bool allLimitsOff;
    event setQuickBOTsBuyLimit (uint256 maxTokensPerTXinitialLimit);
    event setLimitPerTransactionON (bool TokensLimitActive);
    event allLimitsPerTransactionsOff (bool AllLimitsAreOFF);

   
    uint256 private constant MAX = ~uint256(0);
    uint256 private constant _tTotal = 100000000000 * 10**6 * 10**9;
    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;

    string private _name = 'Elon The Dog';
    string private _symbol = 'ElonTD';
    uint8 private _decimals = 9;
    
    constructor () public {
    
    // create tokens for liquidity and send them to owner address.
    _rOwned[_msgSender()] = _rTotal;
    emit Transfer(address(0), _msgSender(), _tTotal);
    
    // owner is excluded from all limits and tokens fee burning, to be able to transfer huge amount untouched tokens for liquidity.
    // 50% of tokens are going to Vitalic address, and second 50% are going for liquidity.
    _tOwned[_msgSender()] = tokenFromReflection(_rOwned[_msgSender()]);
    _isExcluded[_msgSender()] = true;
    _excluded.push(_msgSender());
    
    // the contract is stopped on the beggining
    _contractRunning = false;
    
    // set default initial values of temporary limits.
    allLimitsOff = false;
    maxTokensLimitDuringFirstHour = false;
    currentLimit = 0;
    _maxTokensLimitDuringFirstHour = 10000000000000000 * 10**9;
    _maxTokensInitialLimit         = 100000000000000   * 10**9;
    
    
    // Locking known BOTs addresses to prevent unfair "buy first, huge dump leater" method. Bots are not allowed here.
    BOTaddress1 = 0xf53880230dbc4C7C12F0591F9F924959deb47C28;
    BOTaddressToLock[BOTaddress1] = true;
    emit BOTisLocked (BOTaddress1, BOTaddressToLock[BOTaddress1]);
    
    BOTaddress2 = 0x575C3a99429352EDa66661fC3857b9F83f58a73f;
    BOTaddressToLock[BOTaddress2] = true;
    emit BOTisLocked (BOTaddress2, BOTaddressToLock[BOTaddress2]);
    
    BOTaddress3 = 0x3b00c7D3eFE91d3cAca177889bE4C9EcC8d194c5;
    BOTaddressToLock[BOTaddress3] = true;
    emit BOTisLocked (BOTaddress3, BOTaddressToLock[BOTaddress3]);

    BOTaddress4 = 0x6dA4bEa09C3aA0761b09b19837D9105a52254303;
    BOTaddressToLock[BOTaddress4] = true;
    emit BOTisLocked (BOTaddress4, BOTaddressToLock[BOTaddress4]);
    
    BOTaddress5 = 0xCfF2D6Bf21e6835a144eF668809ADEC4B4e9C395;
    BOTaddressToLock[BOTaddress5] = true;
    emit BOTisLocked (BOTaddress5, BOTaddressToLock[BOTaddress5]);
    
    BOTaddress6 = 0xf6da21E95D74767009acCB145b96897aC3630BaD;
    BOTaddressToLock[BOTaddress6] = true;
    emit BOTisLocked (BOTaddress6, BOTaddressToLock[BOTaddress6]);

    BOTaddress7 = 0x59903993Ae67Bf48F10832E9BE28935FEE04d6F6;
    BOTaddressToLock[BOTaddress7] = true;
    emit BOTisLocked (BOTaddress7, BOTaddressToLock[BOTaddress7]);

    BOTaddress8 = 0xfad95B6089c53A0D1d861eabFaadd8901b0F8533;
    BOTaddressToLock[BOTaddress8] = true;
    emit BOTisLocked (BOTaddress8, BOTaddressToLock[BOTaddress8]);

    BOTaddress9 = 0x9282dc5c422FA91Ff2F6fF3a0b45B7BF97CF78E7;
    BOTaddressToLock[BOTaddress9] = true;
    emit BOTisLocked (BOTaddress9, BOTaddressToLock[BOTaddress9]);

    BOTaddress10 = 0x02023798E0890DDebfa4cc6d4b2B05434E940202;
    BOTaddressToLock[BOTaddress10] = true;
    emit BOTisLocked (BOTaddress10, BOTaddressToLock[BOTaddress10]);

    BOTaddress11 = 0x000000000000084e91743124a982076C59f10084;
    BOTaddressToLock[BOTaddress11] = true;
    emit BOTisLocked (BOTaddress11, BOTaddressToLock[BOTaddress11]);

    BOTaddress12 = 0x1d6E8BAC6EA3730825bde4B005ed7B2B39A2932d;
    BOTaddressToLock[BOTaddress12] = true;
    emit BOTisLocked (BOTaddress12, BOTaddressToLock[BOTaddress12]);
    
    BOTaddress13 = 0x3DAd8cf200799F82fD8eb68f608220d8f3eBF8De;  
    BOTaddressToLock[BOTaddress13] = true;
    emit BOTisLocked (BOTaddress13, BOTaddressToLock[BOTaddress13]);
    
    BOTaddress14 = 0x520Db7C2161aA43fB7eB1BD87C40A084de2c5008;  
    BOTaddressToLock[BOTaddress14] = true;
    emit BOTisLocked (BOTaddress14, BOTaddressToLock[BOTaddress14]);
    
    BOTaddress15 = 0xDa1FaEb056A2F568b138ca0Ad9AD8A51915BA336;  
    BOTaddressToLock[BOTaddress15] = true;
    emit BOTisLocked (BOTaddress15, BOTaddressToLock[BOTaddress15]);
    
    BOTaddress16 = 0x00000000000003441d59DdE9A90BFfb1CD3fABf1;  
    BOTaddressToLock[BOTaddress16] = true;
    emit BOTisLocked (BOTaddress16, BOTaddressToLock[BOTaddress16]);
    }
    
    function __isContractRunning() public view returns (bool) {
        return _contractRunning;
    }

    function __maxAmountTokensPerTransactionLimit() public view returns (uint256) {
        return currentLimit;
    }
 
    function _isAllLimitsPerTransactionsOFF() public view returns (bool) {
        return allLimitsOff;
    }

    function __runContract() public virtual onlyOwner {
        _contractRunning = true;
        currentLimit = _maxTokensInitialLimit.div(1 * 10**9);
        emit isContractStarted (_contractRunning);
        emit setQuickBOTsBuyLimit (currentLimit);
    }
                            
    function __setTokensLimitDuringFirstHourON() public virtual onlyOwner {
        require(_contractRunning == true);
        maxTokensLimitDuringFirstHour = true;
        currentLimit = _maxTokensLimitDuringFirstHour.div(1*10**9);
        emit setLimitPerTransactionON (maxTokensLimitDuringFirstHour);
    }
                            
    function _setTokensLimitDuringFirstHourOFF() public virtual onlyOwner {
        require(maxTokensLimitDuringFirstHour == true);
        allLimitsOff = true;
        maxTokensLimitDuringFirstHour = false;
        currentLimit = 0;
        emit allLimitsPerTransactionsOff (allLimitsOff);
    }
    
    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 isExcluded(address account) public view returns (bool) {
        return _isExcluded[account];
    }

    function totalFees() public view returns (uint256) {
        return _tFeeTotal;
    }
    
    function reflect(uint256 tAmount) public {
        address sender = _msgSender();
        require(!_isExcluded[sender], "Excluded addresses cannot call this function");
        (uint256 rAmount,,,,) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rTotal = _rTotal.sub(rAmount);
        _tFeeTotal = _tFeeTotal.add(tAmount);
    }

    function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
        require(tAmount <= _tTotal, "Amount must be less than supply");
        if (!deductTransferFee) {
            (uint256 rAmount,,,,) = _getValues(tAmount);
            return rAmount;
        } else {
            (,uint256 rTransferAmount,,,) = _getValues(tAmount);
            return rTransferAmount;
        }
    }

    function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
        require(rAmount <= _rTotal, "Amount must be less than total reflections");
        uint256 currentRate =  _getRate();
        return rAmount.div(currentRate);
    }

    function excludeAccount(address account) external onlyOwner() {
        require(!_isExcluded[account], "Account is already excluded");
        if(_rOwned[account] > 0) {
            _tOwned[account] = tokenFromReflection(_rOwned[account]);
        }
        _isExcluded[account] = true;
        _excluded.push(account);
    }

    function includeAccount(address account) external onlyOwner() {
        require(_isExcluded[account], "Account is already excluded");
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_excluded[i] == account) {
                _excluded[i] = _excluded[_excluded.length - 1];
                _tOwned[account] = 0;
                _isExcluded[account] = false;
                _excluded.pop();
                break;
            }
        }
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "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);
    }
    
    /** Transfer function with features:
     * -searching for known BOTs to lock them.
     * -burns 2% tokens for each buy/sell transaciton, and airdrop it (spreads) to other holders,
     * -temporary limits for eailer transactions on the beggining to prevent high dumps later. 
     * -owner is excluded from all limits and tokens fee burning, to be able to add huge amount (and untouched) tokens for liquidity.
     */
    function _transfer(address sender, address recipient, uint256 amount) private {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        if (BOTaddressToLock[sender] || BOTaddressToLock[recipient])
            require(amount == 0, "We don't like BOTs, take your toys and go away.");
        if (allLimitsOff == false && maxTokensLimitDuringFirstHour == false && sender != owner() && recipient != owner()) 
            require(amount <= _maxTokensInitialLimit, "Tokens amount too high. Contract is running on limited mode. Max 0.004 Eth per each transaction.");
        if (allLimitsOff == false && maxTokensLimitDuringFirstHour == true && sender != owner() && recipient != owner())
            require(amount <= _maxTokensLimitDuringFirstHour, "Tokens amount too high. Current 1hour limit set to less than 1.0 Eth per each transaction.");
        if (_contractRunning == true || sender == owner() || recipient == owner()) {
            if (_isExcluded[sender] && !_isExcluded[recipient]) {
                _transferFromExcluded(sender, recipient, amount);
            } else if (!_isExcluded[sender] && _isExcluded[recipient]) {
                _transferToExcluded(sender, recipient, amount);
              } else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
                _transferStandard(sender, recipient, amount);
                } else if (_isExcluded[sender] && _isExcluded[recipient]) {
                _transferBothExcluded(sender, recipient, amount);
                  } else {
                _transferStandard(sender, recipient, amount);
                    }
        }
        else {
            require (_contractRunning == true, "Contract not started yet. Try later.");
        }
    }

    function _transferStandard(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);       
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);           
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);   
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee) = _getValues(tAmount);
        _tOwned[sender] = _tOwned[sender].sub(tAmount);
        _rOwned[sender] = _rOwned[sender].sub(rAmount);
        _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
        _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);        
        _reflectFee(rFee, tFee);
        emit Transfer(sender, recipient, tTransferAmount);
    }

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }

    function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256) {
        (uint256 tTransferAmount, uint256 tFee) = _getTValues(tAmount);
        uint256 currentRate =  _getRate();
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, currentRate);
        return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee);
    }

    function _getTValues(uint256 tAmount) private pure returns (uint256, uint256) {
        uint256 tFee = tAmount.div(100).mul(2);
        uint256 tTransferAmount = tAmount.sub(tFee);
        return (tTransferAmount, tFee);
    }

    function _getRValues(uint256 tAmount, uint256 tFee, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rTransferAmount = rAmount.sub(rFee);
        return (rAmount, rTransferAmount, rFee);
    }

    function _getRate() private view returns(uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(tSupply);
    }

    function _getCurrentSupply() private view returns(uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;      
        for (uint256 i = 0; i < _excluded.length; i++) {
            if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
            rSupply = rSupply.sub(_rOwned[_excluded[i]]);
            tSupply = tSupply.sub(_tOwned[_excluded[i]]);
        }
        if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }
}