// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.15;
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);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
abstract contract Ownable is Context {
address internal _owner;
address private _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_owner = _msgSender();
emit OwnershipTransferred(address(0), _owner);
}
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract ERC20 is Context,Ownable, IERC20, IERC20Metadata {
using SafeMath for uint256;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 14;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual 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);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Pair {
function factory() external view returns (address);
}
interface IUniswapV2Router01 {
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);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract OMEGA is ERC20 {
using SafeMath for uint256;
mapping (address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isExcludedFromMaxWallet;
address public devWallet;
address constant _burnAddress = 0x000000000000000000000000000000000000dEaD;
uint256 public buyLiquidityFee = 4;
uint256 public buyMarketingFee = 4;
uint256 public sellLiquidityFee = 10;
uint256 public sellMarketingFee = 15;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
bool public tradingEnabled = false;
uint256 public numTokensSellToAddToLiquidity;
uint256 public maxWalletBalance;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () ERC20("OMEGA", "OMEGA"){
numTokensSellToAddToLiquidity = 5000000000000 * 10 ** decimals();
devWallet = 0xC723F9E63c6ce0910EE3d99A8b2767bCF4154B72;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[_msgSender()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[devWallet] = true;
_isExcludedFromMaxWallet[owner()] = true;
_isExcludedFromMaxWallet[address(this)] = true;
_isExcludedFromMaxWallet[_burnAddress] = true;
_isExcludedFromMaxWallet[devWallet] = true;
_mint(owner(), 500000000000000 * 10 ** decimals());
maxWalletBalance = 45000000000000 * 10 ** decimals();
}
function enableTrading() external onlyOwner {
tradingEnabled = true;
}
function includeAndExcludeFromFee(
address account,
bool value
) public onlyOwner {
_isExcludedFromFee[account] = value;
}
function isExcludedFromFee(address account) public view returns (bool) {
return _isExcludedFromFee[account];
}
function includeAndExcludedFromMaxWallet(address account, bool value) public onlyOwner {
_isExcludedFromMaxWallet[account] = value;
}
function isExcludedFromMaxWallet(address account) public view returns(bool){
return _isExcludedFromMaxWallet[account];
}
function setSellFeePercent(
uint256 lFee,
uint256 mFee
) external onlyOwner {
sellLiquidityFee = lFee;
sellMarketingFee = mFee;
}
function setBuyFeePercent(
uint256 lFee,
uint256 mFee
) external onlyOwner {
buyLiquidityFee = lFee;
buyMarketingFee = mFee;
}
function setDevWallet(address _addr) external onlyOwner {
devWallet = _addr;
}
function setMaxWalletBalance(uint256 maxBalancePercent) external onlyOwner {
maxWalletBalance = maxBalancePercent * 10** decimals();
}
function setNumTokensSellToAddToLiquidity(uint256 amount) external onlyOwner {
numTokensSellToAddToLiquidity = amount * 10 ** decimals();
}
function setSwapAndLiquifyEnabled(bool _enabled) external onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
receive() external payable {}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "ERC20: transfer amount must be greater than zero");
if (from != owner() && !tradingEnabled) {
require(tradingEnabled, "ERC20: trading is not enabled yet");
}
if (
from != owner() &&
to != address(this) &&
to != _burnAddress &&
to != uniswapV2Pair
) {
uint256 currentBalance = balanceOf(to);
require(
_isExcludedFromMaxWallet[to] ||
(currentBalance + amount <= maxWalletBalance),
"ERC20: Reached Max wallet holding"
);
}
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled
) {
contractTokenBalance = numTokensSellToAddToLiquidity;
swapBack(contractTokenBalance);
}
bool takeFee = true;
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
super._transfer(from, to, amount);
takeFee = false;
} else {
if (from == uniswapV2Pair) {
uint256 liquidityTokens = amount.mul(buyLiquidityFee).div(100);
uint256 marketingTokens = amount.mul(buyMarketingFee).div(100);
amount= amount.sub(liquidityTokens.add(marketingTokens));
super._transfer(from, address(this), liquidityTokens.add(marketingTokens));
super._transfer(from, to, amount);
} else if (to == uniswapV2Pair) {
uint256 liquidityTokens = amount.mul(sellLiquidityFee).div(100);
uint256 marketingTokens = amount.mul(sellMarketingFee).div(100);
amount= amount.sub(liquidityTokens.add(marketingTokens));
super._transfer(from, address(this), liquidityTokens.add(marketingTokens));
super._transfer(from, to, amount);
} else {
super._transfer(from, to, amount);
}
}
}
function swapBack(uint256 contractBalance) private lockTheSwap {
uint256 tokensForLiquidity = contractBalance.mul(sellLiquidityFee).div(100);
uint256 marketingTokens = contractBalance.mul(sellMarketingFee).div(100);
uint256 totalTokensToSwap = tokensForLiquidity + marketingTokens;
if(contractBalance == 0 || totalTokensToSwap == 0) {return;}
bool success;
uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap / 2;
swapTokensForEth(contractBalance - liquidityTokens);
uint256 ethBalance = address(this).balance;
uint256 ethForLiquidity = ethBalance;
uint256 ethForMarketing = ethBalance * marketingTokens / (totalTokensToSwap - (tokensForLiquidity/2));
ethForLiquidity -= ethForMarketing;
if(liquidityTokens > 0 && ethForLiquidity > 0){
addLiquidity(liquidityTokens, ethForLiquidity);
}
(success,) = address(devWallet).call{value: ethForMarketing}("");
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
function airdrop(address[] memory wallets, uint256[] memory amounts) external onlyOwner {
require(wallets.length == amounts.length, "ERC20: Arrays must be the same length");
require(wallets.length <= 200, "ERC20: 200 wallets per txn is allowed due to gas limits");
for (uint i=0; i<wallets.length; i++) {
address wallet = wallets[i];
uint256 amount = amounts[i] * 10 ** decimals();
transfer(wallet, amount);
}
}
}
{
"compilationTarget": {
"OMEGA.sol": "OMEGA"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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nceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sellLiquidityFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sellMarketingFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"lFee","type":"uint256"},{"internalType":"uint256","name":"mFee","type":"uint256"}],"name":"setBuyFeePercent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"setDevWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"maxBalancePercent","type":"uint256"}],"name":"setMaxWalletBalance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setNumTokensSellToAddToLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"lFee","type":"uint256"},{"internalType":"uint256","name":"mFee","type":"uint256"}],"name":"setSellFeePercent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_enabled","type":"bool"}],"name":"setSwapAndLiquifyEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapAndLiquifyEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tradingEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]