Contract Source Code:
File 1 of 1 : Votonx
// SPDX-License-Identifier: NOLICENSE
pragma solidity ^0.8.7;
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) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
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 IFactory{
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
function factory() external pure returns (address);
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 Votonx is Context, IERC20, Ownable {
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
mapping (address => bool) private _isBot;
address[] private _excluded;
bool public tradingEnabled;
bool public swapEnabled;
bool private swapping;
IRouter public router;
address public pair;
uint8 private constant _decimals = 9;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 1 * 10**12 * 10**_decimals;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 public swapTokensAtAmount = 10_000_000 * 10**_decimals;
address public marketingAddress = 0x7c1e26f5940Bc15Ca9b27A7Dea30d7E830c67cAE;
string private constant _name = "Votonx";
string private constant _symbol = "VOTX";
struct Taxes {
uint256 rfi;
uint256 marketing;
uint256 liquidity;
}
Taxes public taxes = Taxes(0,0,1);
Taxes public buyTaxes = Taxes(0,8,2);
Taxes public sellTaxes = Taxes(5,0,0);
struct TotFeesPaidStruct{
uint256 rfi;
uint256 marketing;
uint256 liquidity;
}
TotFeesPaidStruct public totFeesPaid;
struct valuesFromGetValues{
uint256 rAmount;
uint256 rTransferAmount;
uint256 rRfi;
uint256 rMarketing;
uint256 rLiquidity;
uint256 tTransferAmount;
uint256 tRfi;
uint256 tMarketing;
uint256 tLiquidity;
}
event FeesChanged();
event UpdatedRouter(address oldRouter, address newRouter);
modifier lockTheSwap {
swapping = true;
_;
swapping = false;
}
constructor (address routerAddress) {
IRouter _router = IRouter(routerAddress);
address _pair = IFactory(_router.factory())
.createPair(address(this), _router.WETH());
router = _router;
pair = _pair;
excludeFromReward(pair);
_rOwned[owner()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[marketingAddress]=true;
emit Transfer(address(0), owner(), _tTotal);
}
//std ERC20:
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;
}
//override ERC20:
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
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 virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function reflectionFromToken(uint256 tAmount, bool deductTransferRfi, Taxes memory temp) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferRfi) {
valuesFromGetValues memory s = _getValues(tAmount, true, temp);
return s.rAmount;
} else {
valuesFromGetValues memory s = _getValues(tAmount, true, temp);
return s.rTransferAmount;
}
}
function setTradingStatus(bool state) external onlyOwner{
tradingEnabled = state;
swapEnabled = state;
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount/currentRate;
}
//@dev kept original RFI naming -> "reward" as in reflection
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is not excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function setTaxes(uint256 _rfi, uint256 _marketing, uint256 _liquidity) public onlyOwner {
taxes.rfi = _rfi;
taxes.marketing = _marketing;
taxes.liquidity = _liquidity;
emit FeesChanged();
}
function _reflectRfi(uint256 rRfi, uint256 tRfi) private {
_rTotal -=rRfi;
totFeesPaid.rfi +=tRfi;
}
function _takeLiquidity(uint256 rLiquidity, uint256 tLiquidity) private {
totFeesPaid.liquidity +=tLiquidity;
if(_isExcluded[address(this)])
{
_tOwned[address(this)]+=tLiquidity;
}
_rOwned[address(this)] +=rLiquidity;
}
function _takeMarketing(uint256 rMarketing, uint256 tMarketing) private {
totFeesPaid.marketing +=tMarketing;
if(_isExcluded[marketingAddress])
{
_tOwned[marketingAddress]+=tMarketing;
}
_rOwned[marketingAddress] +=rMarketing;
}
function _getValues(uint256 tAmount, bool takeFee, Taxes memory temp) private view returns (valuesFromGetValues memory to_return) {
to_return = _getTValues(tAmount, takeFee, temp);
(to_return.rAmount, to_return.rTransferAmount, to_return.rRfi, to_return.rMarketing, to_return.rLiquidity) = _getRValues(to_return, tAmount, takeFee, _getRate());
return to_return;
}
function _getTValues(uint256 tAmount, bool takeFee, Taxes memory temp) private pure returns (valuesFromGetValues memory s) {
if(!takeFee) {
s.tTransferAmount = tAmount;
return s;
}
s.tRfi = tAmount*temp.rfi/100;
s.tMarketing = tAmount*temp.marketing/100;
s.tLiquidity = tAmount*temp.liquidity/100;
s.tTransferAmount = tAmount-s.tRfi-s.tMarketing-s.tLiquidity;
return s;
}
function _getRValues(valuesFromGetValues memory s, uint256 tAmount, bool takeFee, uint256 currentRate) private pure returns (uint256 rAmount, uint256 rTransferAmount, uint256 rRfi,uint256 rMarketing, uint256 rLiquidity) {
rAmount = tAmount*currentRate;
if(!takeFee) {
return(rAmount, rAmount, 0,0,0);
}
rRfi = s.tRfi*currentRate;
rMarketing = s.tMarketing*currentRate;
rLiquidity = s.tLiquidity*currentRate;
rTransferAmount = rAmount-rRfi-rMarketing-rLiquidity;
return (rAmount, rTransferAmount, rRfi,rMarketing,rLiquidity);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply/tSupply;
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply-_rOwned[_excluded[i]];
tSupply = tSupply-_tOwned[_excluded[i]];
}
if (rSupply < _rTotal/_tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
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");
require(amount <= balanceOf(from),"You are trying to transfer more than your balance");
require(!_isBot[from] && !_isBot[to], "You are a bot");
if(!_isExcludedFromFee[from] && !_isExcludedFromFee[to]){
require(tradingEnabled, "Trading not active");
}
bool canSwap = balanceOf(address(this)) >= swapTokensAtAmount;
if(!swapping && swapEnabled && canSwap && from != pair && !_isExcludedFromFee[from] && !_isExcludedFromFee[to]){
swapAndLiquify(swapTokensAtAmount);
}
Taxes memory temp;
if(from == pair) temp = buyTaxes;
else if(to == pair) temp = sellTaxes;
else temp = taxes;
_tokenTransfer(from, to, amount, !(_isExcludedFromFee[from] || _isExcludedFromFee[to]), temp);
}
//this method is responsible for taking all fee, if takeFee is true
function _tokenTransfer(address sender, address recipient, uint256 tAmount, bool takeFee, Taxes memory temp) private {
valuesFromGetValues memory s = _getValues(tAmount, takeFee, temp);
if (_isExcluded[sender] ) { //from excluded
_tOwned[sender] = _tOwned[sender]-tAmount;
}
if (_isExcluded[recipient]) { //to excluded
_tOwned[recipient] = _tOwned[recipient]+s.tTransferAmount;
}
_rOwned[sender] = _rOwned[sender]-s.rAmount;
_rOwned[recipient] = _rOwned[recipient]+s.rTransferAmount;
if(s.rRfi > 0 || s.tRfi > 0) _reflectRfi(s.rRfi, s.tRfi);
if(s.rLiquidity > 0 || s.tLiquidity > 0) {
_takeLiquidity(s.rLiquidity,s.tLiquidity);
emit Transfer(sender, address(this), s.tLiquidity);
}
if(s.rMarketing > 0 || s.tMarketing > 0){
_takeMarketing(s.rMarketing, s.tMarketing);
emit Transfer(sender,marketingAddress, s.tMarketing);
}
emit Transfer(sender, recipient, s.tTransferAmount);
}
function swapAndLiquify(uint256 contractBalance) private lockTheSwap{
uint256 tokensToAddLiquidityWith = contractBalance / 2;
uint256 toSwap = contractBalance - tokensToAddLiquidityWith;
uint256 initialBalance = address(this).balance;
swapTokensForBNB(toSwap);
uint256 bnbToAddLiquidityWith = address(this).balance - initialBalance;
if(bnbToAddLiquidityWith > 0){
// Add liquidity to pancake
addLiquidity(tokensToAddLiquidityWith, bnbToAddLiquidityWith);
}
}
function addLiquidity(uint256 tokenAmount, uint256 bnbAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(router), tokenAmount);
// add the liquidity
router.addLiquidityETH{value: bnbAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
function swapTokensForBNB(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
// make the swap
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function updateMarketingWallet(address newWallet) external onlyOwner{
require(marketingAddress != newWallet ,'Wallet already set');
marketingAddress = newWallet;
_isExcludedFromFee[marketingAddress];
}
function updateSwapTokensAtAmount(uint256 amount) external onlyOwner{
swapTokensAtAmount = amount * 10**_decimals;
}
function updateSwapEnabled(bool _enabled) external onlyOwner{
swapEnabled = _enabled;
}
function updateTransferTaxes(uint256 _rfi, uint256 _marketing, uint256 _liquidity) external onlyOwner{
taxes = Taxes(_rfi, _marketing, _liquidity);
}
function updateBuyTaxes(uint256 _rfi, uint256 _marketing, uint256 _liquidity) external onlyOwner{
sellTaxes = Taxes(_rfi, _marketing, _liquidity);
}
function updateSellTaxes(uint256 _rfi, uint256 _marketing, uint256 _liquidity) external onlyOwner{
buyTaxes = Taxes(_rfi, _marketing, _liquidity);
}
function updateRouterAndPair(address newRouter, address newPair) external onlyOwner{
router = IRouter(newRouter);
pair = newPair;
}
//Use this in case BNB are sent to the contract by mistake
function rescueBNB(uint256 weiAmount) external onlyOwner{
require(address(this).balance >= weiAmount, "insufficient BNB balance");
payable(msg.sender).transfer(weiAmount);
}
function rescueAnyBEP20Tokens(address _tokenAddr, address _to, uint _amount) public onlyOwner {
IERC20(_tokenAddr).transfer(_to, _amount);
}
receive() external payable{
}
}