/** 
 *  EXPLORE THE NORIGAMI METAVERSE : NORIGAMI.XYZ
 */


// SPDX-License-Identifier: Unlicensed


pragma solidity ^0.8.10;
 

abstract contract Context {    // MARK: contract
  function _msgSender() internal view virtual returns (address) {
    return msg.sender;
  }
}
 

interface IERC20 {    // MARK: interface
  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 {    // MARK: contract
  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 renounceOwnership() 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;
  }
 

}
 

library SafeMath {    // MARK: library
  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;
    return c;
  }
}
 

interface IUniswapV2Factory {    // MARK: interface
  function createPair(address tokenA, address tokenB)
    external
    returns (address pair);
}
 

interface IUniswapV2Router02 {    // MARK: interface
  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,
    uint256 amountTokenDesired,
    uint256 amountTokenMin,
    uint256 amountETHMin,
    address to,
    uint256 deadline
  )
    external
    payable
    returns (
      uint256 amountToken,
      uint256 amountETH,
      uint256 liquidity
    );
}
 

contract NorigamiMetaverse is Context, IERC20, Ownable {    // MARK: contract
 
  using SafeMath for uint256;
 
  string private constant _name = "Norigami Metaverse";
  string private constant _symbol = "METAVERSE";
  uint8 private constant _decimals = 9;
 
  mapping(address => uint256) private _rOwned;
  mapping(address => uint256) private _tOwned;
  mapping(address => mapping(address => uint256)) private _allowances;
  mapping(address => bool) private _isExcludedFromFee;
  uint256 private constant MAX = ~uint256(0);
  uint256 private constant _tTotal = 1000000000 * 10**9;
  uint256 private _rTotal = (MAX - (MAX % _tTotal));
  uint256 private _tFeeTotal;
  uint256 private _redisFeeOnBuy = 0;  
  uint256 private _taxFeeOnBuy = 3;  
  uint256 private _redisFeeOnSell = 0;  
  uint256 private _taxFeeOnSell = 4;
 
  //  Original Fee
  uint256 private _redisFee = _redisFeeOnSell;
  uint256 private _taxFee = _taxFeeOnSell;
 
  uint256 private _previousredisFee = _redisFee;
  uint256 private _previoustaxFee = _taxFee;
 
  mapping(address => bool) public bots; 
  mapping (address => uint256) public _buyMap; 
  address payable private _developmentAddress = payable(0x2E434e75172c23604Fc40C214facE896990691aB); 
  address payable private _marketingAddress = payable(0xF3be53fC2Fd26A9a7Cfc11063f3B1e70bb0636FD);
 
  IUniswapV2Router02 public uniswapV2Router;
  address public uniswapV2Pair;
 
  bool private tradingOpen;
  bool private inSwap = false;
  bool private swapEnabled = true;
 
  uint256 public _maxTxAmount = 10000001 * 10**9; 
  uint256 public _maxWalletSize = 10000001 * 10**9; 
  uint256 public _swapTokensAtAmount = 10000 * 10**9;
 
  event MaxTxAmountUpdated(uint256 _maxTxAmount);
  modifier lockTheSwap {
    inSwap = true;
    _;
    inSwap = false;
  }
 

  constructor() {
 
    _rOwned[_msgSender()] = _rTotal;
 
    IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);//  
    uniswapV2Router = _uniswapV2Router;
    uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
      .createPair(address(this), _uniswapV2Router.WETH());
 
    _isExcludedFromFee[owner()] = true;
    _isExcludedFromFee[address(this)] = true;
    _isExcludedFromFee[_developmentAddress] = true;
    _isExcludedFromFee[_marketingAddress] = true;
 
    emit Transfer(address(0), _msgSender(), _tTotal);
  }
 

  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 _tTotal;
  }
 

  function balanceOf(address account) public view override returns (uint256) {
    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 tokenFromReflection(uint256 rAmount)
    private
    view
    returns (uint256)
  {
    require(
      rAmount <= _rTotal,
      "Amount must be less than total reflections"
    );
    uint256 currentRate = _getRate();
    return rAmount.div(currentRate);
  }
 

  function removeAllFee() private {
    if (_redisFee == 0 && _taxFee == 0) return;
 
    _previousredisFee = _redisFee;
    _previoustaxFee = _taxFee;
 
    _redisFee = 0;
    _taxFee = 0;
  }
 

  function restoreAllFee() private {
    _redisFee = _previousredisFee;
    _taxFee = _previoustaxFee;
  }
 

  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);
  }
 

  function _transfer(
    address from,
    address to,
    uint256 amount
  ) private {
    require(from != address(0), "ERC20: transfer from the zero address.");
    require(to != address(0), "ERC20: transfer to the zero address.");
    require(amount > 0, "Transfer amount must be greater than zero.");
 
    if (from != owner() && to != owner()) {
 
      //  Trade start check
      if (!tradingOpen) {
        require(from == owner(), "TOKEN: This account cannot send tokens until trading is enabled.");
      }
 

      require(amount <= _maxTxAmount, "TOKEN: Max Transaction Limit.");
      require(!bots[from] && !bots[to], "TOKEN: Your account is blacklisted!.");
 
      if(to != uniswapV2Pair) {
        require(balanceOf(to) + amount < _maxWalletSize, "TOKEN: Balance exceeds wallet size!.");
      }
 

      uint256 contractTokenBalance = balanceOf(address(this));
      bool canSwap = contractTokenBalance >= _swapTokensAtAmount;
 
      if(contractTokenBalance >= _maxTxAmount)
      {
        contractTokenBalance = _maxTxAmount;
      }
 

      if (canSwap && !inSwap && from != uniswapV2Pair && swapEnabled && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
        swapTokensForEth(contractTokenBalance);
        uint256 contractETHBalance = address(this).balance;
        if (contractETHBalance > 0) {
          sendETHToFee(address(this).balance);
        }
 
        }
 
      }
 

    bool takeFee = true;
 
    //  Transfer Tokens
    if ((_isExcludedFromFee[from] || _isExcludedFromFee[to]) || (from != uniswapV2Pair && to != uniswapV2Pair)) {
      takeFee = false;
    } else {
 
      //  Set Fee for Buys
      if(from == uniswapV2Pair && to != address(uniswapV2Router)) {
        _redisFee = _redisFeeOnBuy;
        _taxFee = _taxFeeOnBuy;
      }
 

      //  Set Fee for Sells
      if (to == uniswapV2Pair && from != address(uniswapV2Router)) {
        _redisFee = _redisFeeOnSell;
        _taxFee = _taxFeeOnSell;
      }
 

    }
 

    _tokenTransfer(from, to, amount, takeFee);
  }
 

  function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
    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 sendETHToFee(uint256 amount) private {
    _marketingAddress.transfer(amount);
  }
 

  function setTrading(bool _tradingOpen) public onlyOwner {
    tradingOpen = _tradingOpen;
  }
 

  function manualswap() external {
    require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress);
    uint256 contractBalance = balanceOf(address(this));
    swapTokensForEth(contractBalance);
  }
 

  function manualsend() external {
    require(_msgSender() == _developmentAddress || _msgSender() == _marketingAddress);
    uint256 contractETHBalance = address(this).balance;
    sendETHToFee(contractETHBalance);
  }
 

  function blockBots(address[] memory bots_) public onlyOwner {
    for (uint256 i = 0; i < bots_.length; i++) {
      bots[bots_[i]] = true;
    }
 
    }
 

  function unblockBot(address notbot) public onlyOwner {
    bots[notbot] = false;
  }
 

  function _tokenTransfer(
    address sender,
    address recipient,
    uint256 amount,
    bool takeFee
  ) private {
    if (!takeFee) removeAllFee();
    _transferStandard(sender, recipient, amount);
    if (!takeFee) restoreAllFee();
  }
 

  function _transferStandard(
    address sender,
    address recipient,
    uint256 tAmount
  ) private {
    (
      uint256 rAmount,
      uint256 rTransferAmount,
      uint256 rFee,
      uint256 tTransferAmount,
      uint256 tFee,
      uint256 tTeam
    ) = _getValues(tAmount);
    _rOwned[sender] = _rOwned[sender].sub(rAmount);
    _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
    _takeTeam(tTeam);
    _reflectFee(rFee, tFee);
    emit Transfer(sender, recipient, tTransferAmount);
  }
 

  function _takeTeam(uint256 tTeam) private {
    uint256 currentRate = _getRate();
    uint256 rTeam = tTeam.mul(currentRate);
    _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
  }
 

  function _reflectFee(uint256 rFee, uint256 tFee) private {
    _rTotal = _rTotal.sub(rFee);
    _tFeeTotal = _tFeeTotal.add(tFee);
  }
 

  receive() external payable {}
 

  function _getValues(uint256 tAmount)
    private
    view
    returns (
      uint256,
      uint256,
      uint256,
      uint256,
      uint256,
      uint256
    )
  {
    (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) =
      _getTValues(tAmount, _redisFee, _taxFee);
    uint256 currentRate = _getRate();
    (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) =
      _getRValues(tAmount, tFee, tTeam, currentRate);
    return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
  }
 

  function _getTValues(
    uint256 tAmount,
    uint256 redisFee,
    uint256 taxFee
  )
    private
    pure
    returns (
      uint256,
      uint256,
      uint256
    )
  {
    uint256 tFee = tAmount.mul(redisFee).div(100);
    uint256 tTeam = tAmount.mul(taxFee).div(100);
    uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
    return (tTransferAmount, tFee, tTeam);
  }
 

  function _getRValues(
    uint256 tAmount,
    uint256 tFee,
    uint256 tTeam,
    uint256 currentRate
  )
    private
    pure
    returns (
      uint256,
      uint256,
      uint256
    )
  {
    uint256 rAmount = tAmount.mul(currentRate);
    uint256 rFee = tFee.mul(currentRate);
    uint256 rTeam = tTeam.mul(currentRate);
    uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
    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;
    if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
    return (rSupply, tSupply);
  }
 

  function setFee(uint256 redisFeeOnBuy, uint256 redisFeeOnSell, uint256 taxFeeOnBuy, uint256 taxFeeOnSell) public onlyOwner {
    require(redisFeeOnBuy >= 0 && redisFeeOnBuy <= 5, "Buy rewards must be between 0% and 5%.");
    require(taxFeeOnBuy >= 0 && taxFeeOnBuy <= 10, "Buy tax must be between 0% and 10%.");
    require(redisFeeOnSell >= 0 && redisFeeOnSell <= 5, "Sell rewards must be between 0% and 5%.");
    require(taxFeeOnSell >= 0 && taxFeeOnSell <= 10, "Sell tax must be between 0% and 10%.");

    _redisFeeOnBuy = redisFeeOnBuy;
    _redisFeeOnSell = redisFeeOnSell;
    _taxFeeOnBuy = taxFeeOnBuy;
    _taxFeeOnSell = taxFeeOnSell;

  }
 

  //  Set minimum tokens required to swap.
  function setMinSwapTokensThreshold(uint256 swapTokensAtAmount) public onlyOwner {
    _swapTokensAtAmount = swapTokensAtAmount;
  }
 

  //  Set maximum transaction
  function setMaxTxnAmount(uint256 maxTxAmount) public onlyOwner {
    require(maxTxAmount >= 10000000 * 10**9, "maxTxAmount must be greater than 1% supply.");
      
    _maxTxAmount = maxTxAmount;
    
  }
 

  function setMaxWalletSize(uint256 maxWalletSize) public onlyOwner {
    require(maxWalletSize >= 30000000 * 10**9, "maxWalletSize must be greater than 3% supply.");

    _maxWalletSize = maxWalletSize;
  }
 

  function excludeMultipleAccountsFromFees(address[] calldata accounts, bool excluded) public onlyOwner {
    for(uint256 i = 0; i < accounts.length; i++) {
      _isExcludedFromFee[accounts[i]] = excluded;
    }
 
  }
}