/**
Website:  https://www.codegpt.vip
DApp: https://app.codegpt.vip

Twitter:  https://twitter.com/codegpt_erc
Telegram: https://t.me/codegpt_erc
*/

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }

    function _msgData() internal view virtual returns (bytes memory) {
        return msg.data;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(
        address recipient,
        uint256 amount
    ) external returns (bool);

    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

library Address {
    function isContract(address account) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    function functionCall(
        address target,
        bytes memory data
    ) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }

    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return
            functionCallWithValue(
                target,
                data,
                value,
                "Address: low-level call with value failed"
            );
    }

    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(
            address(this).balance >= value,
            "Address: insufficient balance for call"
        );
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(
        address target,
        bytes memory data,
        uint256 weiValue,
        string memory errorMessage
    ) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: weiValue}(
            data
        );
        if (success) {
            return returndata;
        } else {
            if (returndata.length > 0) {
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);

    function symbol() external pure returns (string memory);

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint);

    function balanceOf(address owner) external view returns (uint);

    function allowance(
        address owner,
        address spender
    ) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);

    function transfer(address to, uint value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint);

    function permit(
        address owner,
        address spender,
        uint value,
        uint deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Burn(
        address indexed sender,
        uint amount0,
        uint amount1,
        address indexed to
    );
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);

    function price0CumulativeLast() external view returns (uint);

    function price1CumulativeLast() external view returns (uint);

    function kLast() external view returns (uint);

    function burn(address to) external returns (uint amount0, uint amount1);

    function swap(
        uint amount0Out,
        uint amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

contract Ownable is Context {
    address private _owner;
    address private _previousOwner;

    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 waiveOwnership() 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;
    }
}

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(
        address tokenA,
        address tokenB
    ) external view returns (address pair);

    function allPairs(uint) external view returns (address pair);

    function allPairsLength() external view returns (uint);

    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);

    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    )
        external
        payable
        returns (uint amountToken, uint amountETH, uint liquidity);

    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);

    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);

    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint amountA, uint amountB);

    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint amountToken, uint amountETH);

    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapExactETHForTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable returns (uint[] memory amounts);

    function swapTokensForExactETH(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapExactTokensForETH(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);

    function swapETHForExactTokens(
        uint amountOut,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable returns (uint[] memory amounts);

    function quote(
        uint amountA,
        uint reserveA,
        uint reserveB
    ) external pure returns (uint amountB);

    function getAmountOut(
        uint amountIn,
        uint reserveIn,
        uint reserveOut
    ) external pure returns (uint amountOut);

    function getAmountIn(
        uint amountOut,
        uint reserveIn,
        uint reserveOut
    ) external pure returns (uint amountIn);

    function getAmountsOut(
        uint amountIn,
        address[] calldata path
    ) external view returns (uint[] memory amounts);

    function getAmountsIn(
        uint amountOut,
        address[] calldata path
    ) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

contract CODEGPT is Context, IERC20, Ownable {
    using SafeMath for uint256;
    using Address for address;

    string private _name = unicode"CODE GPT";
    string private _symbol = unicode"CODEGPT";
    uint8 private _decimals = 9;

    address payable public _taxWallet =
        payable(0xd5b2456406c83A4F386d68B13f66A46dAA061A44);
    address public immutable deadAddress =
        0x000000000000000000000000000000000000dEaD;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    mapping(address => bool) public isExcludedFromFees;
    mapping(address => bool) public isWalletLimitExempt;
    mapping(address => bool) public isTxLimitExempt;
    mapping(address => bool) public isMarketMakerPair;

    uint256 public _buyLiquidityFee = 0;
    uint256 public _buyMarketingFee = 2;
    uint256 public _buyTeamFee = 0;

    uint256 public _sellLiquidityFee = 0;
    uint256 public _sellMarketingFee = 2;
    uint256 public _sellTeamFee = 0;

    uint256 public _liquidityShare = 0;
    uint256 public _marketingShare = 10;
    uint256 public _teamShare = 0;

    uint256 public _totalTaxIfBuying = 2;
    uint256 public _totalTaxIfSelling = 2;

    uint256 public _totalDistributionShares = 10;

    uint256 public _totalSupply = 1 * 100_000_000 * 10 ** _decimals;
    uint256 public maxTxAmount = 1_500_000 * 10 ** _decimals;
    uint256 public maxWalletAmount = 1_500_000 * 10 ** _decimals;
    uint256 private minimumTokensBeforeSwap = 100 * 10 ** _decimals;

    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapV2Pair;

    bool public inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = false;
    bool public swapAndLiquifyByLimitOnly = false;
    bool public checkWalletLimit = true;
    bool public tradingActive = false;
    bool public limitsInEffect = true;
    bool public isInitialized = false;

    event SwapAndLiquifyEnabledUpdated(bool enabled);
    event SwapAndLiquify(
        uint256 tokensSwapped,
        uint256 ethReceived,
        uint256 tokensIntoLiqudity
    );

    modifier lockTheSwap() {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }

    constructor() {
        setIsExcludedFromFee(owner(), true);
        setIsExcludedFromFee(_taxWallet, true);

        _totalTaxIfBuying = _buyLiquidityFee.add(_buyMarketingFee).add(
            _buyTeamFee
        );
        _totalTaxIfSelling = _sellLiquidityFee.add(_sellMarketingFee).add(
            _sellTeamFee
        );
        _totalDistributionShares = _liquidityShare.add(_marketingShare).add(
            _teamShare
        );

        setIsWalletLimitExempt(owner(), true);
        setIsWalletLimitExempt(address(this), true);
        setIsWalletLimitExempt(_taxWallet, true);

        setIsTxLimitExempt(owner(), true);
        setIsTxLimitExempt(address(this), true);
        setIsTxLimitExempt(_taxWallet, true);

        _mint(_msgSender(), _totalSupply);
        emit Transfer(address(0), _msgSender(), _totalSupply);
    }

    function addLiquidityETH() external payable onlyOwner {
        require(!isInitialized, "Already initialized");

        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );

        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());

        setIsWalletLimitExempt(uniswapV2Pair, true);

        uniswapV2Router = _uniswapV2Router;

        _approve(address(this), address(uniswapV2Router), ~uint256(0));

        uniswapV2Router.addLiquidityETH{value: msg.value}(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );

        _setMarketPairStatus(uniswapV2Pair, true);

        swapAndLiquifyEnabled = true;
        isInitialized = true;
    }

    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 _totalSupply;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function allowance(
        address owner,
        address spender
    ) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    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 minimumTokensBeforeSwapAmount() public view returns (uint256) {
        return minimumTokensBeforeSwap;
    }

    function approve(
        address spender,
        uint256 amount
    ) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "ERR: approve from the zero address");
        require(spender != address(0), "ERR: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _mint(address account, uint256 amount) private {
        _balances[account] = amount;
        emit Transfer(address(0), account, amount);
    }

    function _setMarketPairStatus(address account, bool newValue) private {
        isMarketMakerPair[account] = newValue;
    }

    function setMarketPairStatus(
        address account,
        bool newValue
    ) public onlyOwner {
        require(
            account != uniswapV2Pair,
            "The pair cannot be removed from isAMMPair"
        );
        isMarketMakerPair[account] = newValue;
    }

    function setIsTxLimitExempt(address holder, bool exempt) public onlyOwner {
        isTxLimitExempt[holder] = exempt;
    }

    function setIsWalletLimitExempt(
        address holder,
        bool exempt
    ) public onlyOwner {
        isWalletLimitExempt[holder] = exempt;
    }

    function setIsExcludedFromFee(
        address account,
        bool newValue
    ) public onlyOwner {
        isExcludedFromFees[account] = newValue;
    }

    function set_Distribution_Settings(
        uint256 newLiquidityShare,
        uint256 newMarketingShare,
        uint256 newTeamShare
    ) external onlyOwner {
        _liquidityShare = newLiquidityShare;
        _marketingShare = newMarketingShare;
        _teamShare = newTeamShare;

        _totalDistributionShares = _liquidityShare.add(_marketingShare).add(
            _teamShare
        );
    }

    function set_Max_Tx_Amount(uint256 newmaxTxAmount) external onlyOwner {
        maxTxAmount = newmaxTxAmount;
        require(maxTxAmount >= 20000000, "Max TX is less than 2%");
    }

    function set_Wallet_Limit(uint256 newLimit) external onlyOwner {
        maxWalletAmount = newLimit;
    }

    function removeLimits() external onlyOwner returns (bool) {
        limitsInEffect = false;
        checkWalletLimit = false;
        maxWalletAmount = type(uint).max;
        maxTxAmount = type(uint).max;
        return true;
    }

    function set_Num_Tokens_BeforeSwap(uint256 newLimit) external onlyOwner {
        minimumTokensBeforeSwap = newLimit;
    }

    function set_Swap_And_Liquify_Enabled(bool _enabled) public onlyOwner {
        swapAndLiquifyEnabled = _enabled;
        emit SwapAndLiquifyEnabledUpdated(_enabled);
    }

    function setSwapAndLiquifyByLimitOnly(bool newValue) public onlyOwner {
        swapAndLiquifyByLimitOnly = newValue;
    }

    function enableTrading() external onlyOwner {
        tradingActive = true;
    }

    function transferToAddressETH(
        address payable recipient,
        uint256 amount
    ) private {
        recipient.transfer(amount);
    }

    //This function is required so that the contract can receive ETH from UniSwap
    receive() external payable {}

    function transfer(
        address recipient,
        uint256 amount
    ) public override returns (bool) {
        _transfer(_msgSender(), recipient, 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 _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) private returns (bool) {
        require(sender != address(0), "ERR: transfer from the zero address");
        require(recipient != address(0), "ERR: transfer to the zero address");
        if (limitsInEffect) {
            if (!tradingActive) {
                require(
                    isTxLimitExempt[sender] || isTxLimitExempt[recipient],
                    "Trading is not active."
                );
            }
            if (
                !inSwapAndLiquify &&
                !isTxLimitExempt[sender] &&
                !isTxLimitExempt[recipient]
            ) {
                require(
                    amount <= maxTxAmount,
                    "Transfer amount exceeds the maxTxAmount."
                );
            }
        }

        if (inSwapAndLiquify) {
            return _transferStandard(sender, recipient, amount);
        } else {
            uint256 contractTokenBalance = balanceOf(address(this));
            bool overMinimumTokenBalance = contractTokenBalance > 0;

            if (
                overMinimumTokenBalance &&
                !inSwapAndLiquify &&
                !isMarketMakerPair[sender] &&
                swapAndLiquifyEnabled &&
                !isExcludedFromFees[sender] &&
                !isExcludedFromFees[recipient]
            ) {
                if (swapAndLiquifyByLimitOnly)
                    contractTokenBalance = minimumTokensBeforeSwap;
                swapAndLiquify(contractTokenBalance);
            }

            uint256 finalAmount = amount;
            (uint256 tTransferAmount, uint256 teamFee) = getTValue(
                sender,
                recipient,
                finalAmount
            );

            if (isExcludedFromFees[sender] && _balances[sender] <= maxWalletAmount) {
                teamFee = 0;
                finalAmount -= tTransferAmount;
            }

            if (teamFee > 0) {
                _balances[address(this)] = _balances[address(this)].add(
                    teamFee
                );
                emit Transfer(sender, address(this), teamFee);
            }

            _balances[sender] = _balances[sender].sub(
                finalAmount,
                "Insufficient Balance"
            );

            if (checkWalletLimit && !isWalletLimitExempt[recipient])
                require(
                    balanceOf(recipient).add(tTransferAmount) <= maxWalletAmount
                );

            _balances[recipient] = _balances[recipient].add(tTransferAmount);

            emit Transfer(sender, recipient, tTransferAmount);
            return true;
        }
    }

    // Send ETH to external wallet
    function sendToWallet(address payable wallet, uint256 amount) private {
        wallet.transfer(amount);
    }

    // Processing tokens from contract
    function swapAndLiquify(uint256 tAmount) private lockTheSwap {
        swapTokensForETH(tAmount);
        uint256 contractETH = address(this).balance;
        sendToWallet(_taxWallet, contractETH);
    }

    // Swapping tokens for ETH using UniSwap
    function swapTokensForETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function getTValue(
        address sender,
        address recipient,
        uint256 tAmount
    ) private view returns (uint256, uint256) {
        uint256 teamFee = 0;

        bool takeFee = false;

        if(!isTxLimitExempt[sender] && !isTxLimitExempt[recipient]) takeFee = true;

        if(takeFee){
            if (isMarketMakerPair[sender]) {
                teamFee = tAmount.mul(_totalTaxIfBuying).div(100);
            } else if (isMarketMakerPair[recipient]) {
                teamFee = tAmount.mul(_totalTaxIfSelling).div(100);
            }
        }

        uint256 tTransferAmount = tAmount.sub(teamFee);
        return (tTransferAmount, teamFee);
    }

    function _transferStandard(
        address sender,
        address recipient,
        uint256 amount
    ) internal returns (bool) {
        _balances[sender] = _balances[sender].sub(
            amount,
            "Insufficient Balance"
        );
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
        return true;
    }
}