creation_sourcecode: // SPDX-License-Identifier: MIT
  
  /*  Nimbus Network: Charting the New Era of Cloud-Based Distributed Computing
      Website: https://nimbusnetwork.io/
      Twitter: https://twitter.com/Nimbus_Network
      Telegram: https://t.me/nimbusnetwork
      Whitepaper: https://docs.nimbusnetwork.io/
  */
  
  pragma solidity 0.8.19;
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  }
  
  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);
  }
  
  contract Ownable is Context {
      address private _owner;
      event OwnershipTransferred(
          address indexed previousOwner,
          address indexed newOwner
      );
  
      constructor() {
          address msgSender = _msgSender();
          _owner = msgSender;
          emit OwnershipTransferred(address(0), msgSender);
      }
  
      function owner() public view returns (address) {
          return _owner;
      }
  
      modifier onlyOwner() {
          require(_owner == _msgSender(), "Ownable: caller must be the owner");
          _;
      }
  
      function transferOwner(address newOwner) public onlyOwner {
          _transferOwnership(newOwner);
      }
  
      function _transferOwnership(address newOwner) internal {
          require(newOwner != address(0), "Ownable: new owner shouldn't be zero address");
          emit OwnershipTransferred(_owner, newOwner);
          _owner = newOwner;
      }
  
      function ownershipRenounce() public virtual onlyOwner {
          emit OwnershipTransferred(_owner, address(0));
          _owner = address(0);
      }
  }
  
  interface IUniswapV2Factory {
      function createPair(address tokenA, address tokenB)
          external
          returns (address pair);
  }
  
  interface IUniswapV2Router02 {
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
          uint256 amountIn,
          uint256 amountOutMin,
          address[] calldata path,
          address to,
          uint256 deadline
      ) external;
  
      function factory() external pure returns (address);
      function WETH() external pure returns (address);
  
      function addLiquidityETH(
          address token,
          uint amountTokenDesired,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
  }
  
  
  
  contract NimbusNetwork is Context, IERC20, Ownable {
      mapping(address => uint256) private _balance;
      mapping(address => mapping(address => uint256)) private _allowances;
      mapping(address => uint256) private _IsLimitFree;
      uint256 private constant MAX = ~uint256(0);
      uint8 private constant _decimals = 18;
  
  
      uint256 public buyTax = 35;
      uint256 public sellTax = 55;
  
      uint256 private constant _totalSupply = 100000000 * 10**_decimals;
      uint256 private constant onePercent = (_totalSupply)/100;
      uint256 private constant minimumSwapAmount = 40000;
      uint256 private maxSwap = onePercent*5/10;
      uint256 public MaxPerTxn = onePercent*15/10;
      uint256 public MaxPerWallet = onePercent*15/10;
  
      
      string private constant _name = "Nimbus Network";
      string private constant _symbol = "NIMBUS";
  
      IUniswapV2Router02 private uniswapV2Router;
      address public uniswapV2Pair;
      address immutable public DevAddress ;
      address immutable public OperationAddress;
      address immutable public MarketingAddress;
  
      bool private launch = false;
  
  
  
      constructor() {
          OperationAddress  = 0x9bF6cD21F67672AAEA1A2A5df76dc8427684Ac03;   
          DevAddress = 0xE101e96e170FFEfbAde38C6585ACb1f7f9c516bA;        
          MarketingAddress = 0x67A3aeB4E888EfEB6659bA675671Bc756BFe5CeD;     
          _balance[msg.sender] = _totalSupply;
          _IsLimitFree[DevAddress ] = 1;
          _IsLimitFree[OperationAddress ] = 1;
          _IsLimitFree[MarketingAddress ] = 1;
          _IsLimitFree[msg.sender] = 1;
          _IsLimitFree[address(this)] = 1;
  
          emit Transfer(address(0), _msgSender(), _totalSupply);
      }
  
      function name() public pure returns (string memory) {
          return _name;
      }
  
      function symbol() public pure returns (string memory) {
          return _symbol;
      }
  
      function decimals() public pure returns (uint8) {
          return _decimals;
      }
  
      function totalSupply() public pure override returns (uint256) {
          return _totalSupply;
      }
  
      function balanceOf(address account) public view override returns (uint256) {
          return _balance[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);
  
          uint256 currentAllowance = _allowances[sender][_msgSender()];
          if(currentAllowance != type(uint256).max) { 
              require(
                  currentAllowance >= amount,
                  "ERC20: transfer amount is more than allowed amount"
              );
              unchecked {
                  _approve(sender, _msgSender(), currentAllowance - amount);
              }
          }
          return true;
      }
  
      function _approve(address owner, address spender, uint256 amount) private {
          require(owner != address(0), "ERC20: owner can't be zero address");
          require(spender != address(0), "ERC20: spender can't be zero address");
          _allowances[owner][spender] = amount;
          emit Approval(owner, spender, amount);
      }
  
  
      function startTrading() external onlyOwner {
          require(!launch,"trading already opened");
          uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
          uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
          _approve(address(this), address(uniswapV2Router), _totalSupply);
          
          uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
          IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
          launch = true;
      }
  
      function _ExcludedWallet(address wallet) external onlyOwner {
          _IsLimitFree[wallet] = 1;
      }
  
      function _RemoveExcludedWallet(address wallet) external onlyOwner {
          _IsLimitFree[wallet] = 0;
      }
  
  
      function RemoveLimits() external onlyOwner {
          MaxPerTxn = _totalSupply;
          MaxPerWallet = _totalSupply;
      }
  
      function DecreaseTax(uint256 newBuyTax, uint256 newSellTax) external onlyOwner {
          require(newBuyTax <= buyTax && newSellTax <= sellTax, "Tax cannot be increased");
          buyTax = newBuyTax;
          sellTax = newSellTax;
      }
      // Taxes can only be decreased and can never be increased.
  
      function _tokenTransfer(address from, address to, uint256 amount, uint256 _tax) private {
          uint256 taxTokens = (amount * _tax) / 100;
          uint256 transferAmount = amount - taxTokens;
  
          _balance[from] = _balance[from] - amount;
          _balance[to] = _balance[to] + transferAmount;
          _balance[address(this)] = _balance[address(this)] + taxTokens;
  
          emit Transfer(from, to, transferAmount);
      }
  
      function _transfer(address from, address to, uint256 amount) private {
          require(from != address(0), "ERC20: transfer from zero address not allowed");
          require(amount > 0, "ERC20: amount should be greater than zero");
          uint256 _tax = 0;
          if (_IsLimitFree[from] == 0 && _IsLimitFree[to] == 0)
          {
              require(launch, "Trading not started yet");
              require(amount <= MaxPerTxn, "MaxPerTxn Enabled at launch");
              if (to != uniswapV2Pair && to != address(0xdead)) require(balanceOf(to) + amount <= MaxPerWallet, "MaxPerWallet Enabled at launch");
              if (from == uniswapV2Pair) {
                  _tax = buyTax;
              } else if (to == uniswapV2Pair) {
                  uint256 tokensToSwap = balanceOf(address(this));
                  if (tokensToSwap > minimumSwapAmount) { 
                      uint256 mxSw = maxSwap;
                      if (tokensToSwap > amount) tokensToSwap = amount;
                      if (tokensToSwap > mxSw) tokensToSwap = mxSw;
                      swapTokensForEth(tokensToSwap);
                  }
                  _tax = sellTax;
              }
          }
          _tokenTransfer(from, to, amount, _tax);
      }
  
      function Weth() external onlyOwner {
          bool success;
          (success, ) = owner().call{value: address(this).balance}("");
      } 
  
      function ManualSwap(uint256 percent) external onlyOwner {
          uint256 contractBalance = balanceOf(address(this));
          uint256 amtswap = (percent*contractBalance)/100;
          swapTokensForEth(amtswap);
      }
  
      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
          );
          bool success;
          uint256 devtax = address(this).balance *425/1000;    
          uint256 Operation = address(this).balance *425/1000;
          uint256 Marketing = address(this).balance *15/100;
  
          (success, ) = MarketingAddress.call{value: Marketing}("");
          (success, ) = OperationAddress.call{value: Operation}("");
          (success, ) = DevAddress .call{value: devtax}("");
      }
      receive() external payable {}
  }