Contract Source Code:
File 1 of 1 : ZENOVERSE
/**
Website: https://zenoverse.finance
Telegram: https://t.me/zenoverse_finance
Twitter: https://x.com/zenoverse_fi
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
// Dependency file: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol
// pragma solidity ^0.6.0;
// import "@openzeppelin/contracts/GSN/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
// Dependency file: https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/IERC20.sol
// pragma solidity ^0.6.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(
address owner,
address spender
) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* // importANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
interface IUniswapV2Factory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint
);
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(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
// pragma solidity >=0.5.0;
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint 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 (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(
address owner,
address spender
) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(
address from,
address to,
uint 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 (uint);
function permit(
address owner,
address spender,
uint value,
uint deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function sync() external;
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
)
external
payable
returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable returns (uint[] memory amounts);
function swapTokensForExactETH(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactTokensForETH(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapETHForExactTokens(
uint amountOut,
address[] calldata path,
address to,
uint deadline
) external payable returns (uint[] memory amounts);
function quote(
uint amountA,
uint reserveA,
uint reserveB
) external pure returns (uint amountB);
function getAmountOut(
uint amountIn,
uint reserveIn,
uint reserveOut
) external pure returns (uint amountOut);
function getAmountIn(
uint amountOut,
uint reserveIn,
uint reserveOut
) external pure returns (uint amountIn);
function getAmountsOut(
uint amountIn,
address[] calldata path
) external view returns (uint[] memory amounts);
function getAmountsIn(
uint amountOut,
address[] calldata path
) external view returns (uint[] memory amounts);
}
// pragma solidity >=0.6.2;
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax,
uint8 v,
bytes32 r,
bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract ZENOVERSE is Context, IERC20, Ownable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) public _isExcludedFromFee;
mapping(address => bool) public _automatedMarketMakerPairs;
address payable private _taxWallet =
payable(0x511F307412543648d585908a54CfBD322d13cD15);
uint256 public _swapTaxes = 15;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 100_000_000 * 10 ** _decimals;
string private constant _name = "Zenoverse";
string private constant _symbol = "ZENOV";
uint256 public maxTxAmount = _tTotal * 20 / 1000;
uint256 private _taxSwap = 10000 * 10 ** _decimals;
IUniswapV2Router02 public uniswapV2Router;
address private uniswapV2Pair;
bool public tradingOpen = false;
bool private inSwap = false;
bool public swapEnabled = false;
// Events
event ExcludeFromFeeUpdated(address indexed account);
event includeFromFeeUpdated(address indexed account);
event SwapThreshouldUpdated(uint256 indexed tokenAmount);
event SwapBackSettingUpdated(bool indexed state);
event TradingOpenUpdated();
modifier lockTheSwap() {
inSwap = true;
_;
inSwap = false;
}
constructor() {
uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
); // Uniswap ETH Mainnet Router
_mint(_msgSender(), _tTotal);
excludeFromFee(owner());
excludeFromFee(address(this));
excludeFromFee(_taxWallet);
}
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 pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[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) {
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function _mint(address account, uint256 amount) private {
_balances[account] = amount;
emit Transfer(address(0), account, amount);
}
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");
uint256 taxAmount;
uint256 feeswap;
if (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(tradingOpen, "wait for trading to open");
}
if (
_automatedMarketMakerPairs[from] &&
!_isExcludedFromFee[from] &&
!_isExcludedFromFee[to]
) {
require(amount <= maxTxAmount, "Max TxAmount is 2%");
}
if (
!_automatedMarketMakerPairs[from] &&
!_isExcludedFromFee[from] &&
!_isExcludedFromFee[to]
) {
require(amount <= maxTxAmount, "Max TxAmount is 2%");
}
if (
!_automatedMarketMakerPairs[to] &&
!_isExcludedFromFee[from] &&
!_isExcludedFromFee[to]
) {
require(
balanceOf(to) + amount <= maxTxAmount,
"Max TxAmount is 2%"
);
}
if (!swapEnabled || inSwap) {
_balances[from] = _balances[from] - amount;
_balances[to] = _balances[to] + amount;
emit Transfer(from, to, amount);
} else {
taxAmount = amount;
feeswap = (amount * (_swapTaxes)) / (100);
if (_isExcludedFromFee[from]) {
feeswap = 0;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (
!inSwap &&
!_automatedMarketMakerPairs[from] &&
swapEnabled &&
contractTokenBalance > 0 &&
!_isExcludedFromFee[from]
) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
if (feeswap > 0) {
_balances[from] = _balances[from] - (taxAmount);
_balances[address(this)] = _balances[address(this)] + (feeswap);
emit Transfer(from, address(this), feeswap);
}
_balances[to] = _balances[to] + (amount - (feeswap));
emit Transfer(from, to, amount - (feeswap));
}
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
require(tokenAmount > 0, "amount must be greeter than 0");
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
require(amount > 0, "amount must be greeter than 0");
_taxWallet.transfer(amount);
}
function excludeFromFee(address account) public onlyOwner {
require(
_isExcludedFromFee[account] != true,
"Account is already excluded"
);
_isExcludedFromFee[account] = true;
emit ExcludeFromFeeUpdated(account);
}
function includeFromFee(address account) external onlyOwner {
require(
_isExcludedFromFee[account] != false,
"Account is already included"
);
_isExcludedFromFee[account] = false;
emit includeFromFeeUpdated(account);
}
function setAutomatedMarketMakerPair(
address pair,
bool value
) public onlyOwner {
require(
pair != uniswapV2Pair,
"The pair cannot be removed from _automatedMarketMakerPairs"
);
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
_automatedMarketMakerPairs[pair] = value;
}
function setSwapThreshould(uint256 tokenAmount) external onlyOwner {
require(
tokenAmount <= 1e7,
"amount must be less than or equal to 1% of the supply"
);
require(
tokenAmount >= 1e6,
"amount must be greater than or equal to 0.1% of the supply"
);
_taxSwap = tokenAmount * 10 ** _decimals;
emit SwapThreshouldUpdated(tokenAmount);
}
function removeTxLimits() external onlyOwner {
_swapTaxes = 2;
maxTxAmount = type(uint).max;
}
function setMaxTxLimits(uint256 amount) external onlyOwner {
require(
amount >= 1e6,
"amount must be greater than or equal to 0.1% of the supply"
);
maxTxAmount = amount * 10 ** _decimals;
}
function setSwapBackSetting(bool state) external onlyOwner {
swapEnabled = state;
emit SwapBackSettingUpdated(state);
}
function addLiquidityETH() external payable onlyOwner {
require(!tradingOpen, "trading is already open");
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
address(this),
uniswapV2Router.WETH()
);
uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
_approve(address(this), address(uniswapV2Router), _tTotal);
_setAutomatedMarketMakerPair(uniswapV2Pair, true);
uniswapV2Router.addLiquidityETH{value: msg.value}(
address(this),
balanceOf(address(this)),
0,
0,
owner(),
block.timestamp
);
}
function enableTrading() external onlyOwner {
require(!tradingOpen, "trading is already open");
swapEnabled = true;
tradingOpen = true;
emit TradingOpenUpdated();
}
receive() external payable {}
}