File 1 of 1: LuckyDime.sol
pragma solidity 0.8.17;
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 IERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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 Auth {
address internal owner;
mapping (address => bool) internal authorizations;
constructor(address _owner) {
owner = _owner;
authorizations[_owner] = true;
}
modifier onlyOwner() {
require(isOwner(msg.sender), "!OWNER"); _;
}
modifier authorized() {
require(isAuthorized(msg.sender), "!AUTHORIZED"); _;
}
function authorize(address adr) public onlyOwner {
authorizations[adr] = true;
}
function unauthorize(address adr) public onlyOwner {
authorizations[adr] = false;
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function isAuthorized(address adr) public view returns (bool) {
return authorizations[adr];
}
function transferOwnership(address payable adr) public onlyOwner {
owner = adr;
authorizations[adr] = true;
emit OwnershipTransferred(adr);
}
event OwnershipTransferred(address owner);
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
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 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;
}
interface BotRekt{
function isBot(uint256 time, address recipient) external returns (bool, address);
}
contract LuckyDime is IERC20, Auth {
using SafeMath for uint256;
address DEAD = 0x000000000000000000000000000000000000dEaD;
address ZERO = 0x0000000000000000000000000000000000000000;
string constant _name = "LuckyDime";
string constant _symbol = "LDIME";
uint8 constant _decimals = 8;
uint256 _totalSupply = 10 * (10**12) * (10 ** _decimals);
uint256 public _maxTxAmount = _totalSupply.div(100);
uint256 public _maxWalletToken = _totalSupply.mul(3).div(100);
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
address[] holders;
mapping (address => bool) isExcluded;
mapping (address => bool) isFeeExempt;
mapping (address => bool) isTxLimitExempt;
uint256 public jackpotBuyFee = 100;
uint256 public jackpotSellFee = 175;
address public jackpotFeeWallet;
bool public lockBalanceTillDraw=false;
bool public jackpotLocked=false;
bool jackpotLockUsed=false;
address payable[] latestWinners;
uint256 public totalJackpotValue;
bool lockTilStart = true;
bool lockUsed = false;
uint256 cooldownSeconds = 1;
uint256 lastSellTime;
event LockTilStartUpdated(bool enabled);
bool limits = true;
IDEXRouter public router;
address public pair;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply.div(10000);
uint256 swapRatio = 30;
bool ratioSell = true;
bool inSwap;
modifier swapping() { inSwap = true; _; inSwap = false; }
constructor () Auth(msg.sender) {
router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
pair = IDEXFactory(router.factory()).createPair(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
_allowances[address(this)][address(router)] = _totalSupply;
isFeeExempt[msg.sender] = true;
isTxLimitExempt[msg.sender] = true;
isExcluded[pair]=true;
isExcluded[DEAD]=true;
isExcluded[ZERO]=true;
jackpotFeeWallet = msg.sender;
approve(address(router), _totalSupply);
approve(address(pair), _totalSupply);
_balances[msg.sender] = _totalSupply;
holders.push(msg.sender);
totalJackpotValue=0;
emit Transfer(address(0), msg.sender, _totalSupply);
}
receive() external payable { }
function totalSupply() external view override returns (uint256) { return _totalSupply; }
function decimals() external pure override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return owner; }
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function getPair() external view returns (address){return pair;}
function getExcluded(address account) external view returns(bool){return isExcluded[account];}
function getHolders() external view returns (address[] memory) {return holders;}
function getLatestWinners() external view returns (address payable[] memory) {return latestWinners;}
function approve(address spender, uint256 amount) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
if (_balances[recipient] == 0) {
holders.push(recipient);
}
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function setJackpotBuyFee(uint256 _jackpotFee) external authorized{
jackpotBuyFee = _jackpotFee;
}
function setJackpotSellFee(uint256 _jackpotFee) external authorized{
jackpotSellFee = _jackpotFee;
}
function setjackpotFeeWallet(address _jackpotFeeWallet) external authorized {
jackpotFeeWallet = _jackpotFeeWallet;
}
function setMaxWallet(uint256 percent) external authorized {
_maxWalletToken = ( _totalSupply * percent ) / 1000;
}
function setTxLimit(uint256 percent) external authorized {
_maxTxAmount = ( _totalSupply * percent ) / 1000;
}
function setJackpotLock(bool lock) external authorized {
require(!jackpotLockUsed, "If jackpot is locked, it is locked forever");
jackpotLocked=lock;
jackpotLockUsed=true;
}
function feePayer(uint256 percent) external onlyOwner {
require(!lockBalanceTillDraw, "Protecting Community Funds by Locking Jackpot Funds");
uint256 amountETH = address(this).balance.mul(percent).div(100);
if (amountETH>1*(10**18)){
amountETH = jackpotLocked ? 1*(10**18) : amountETH.mul(percent).div(100);
}
(bool Succes,) = payable(jackpotFeeWallet).call{value: amountETH, gas: 100000}("");
require(Succes, "Failed to send Ether");
lockBalanceTillDraw = Succes;
}
function excludeJackpot(address exclude) external authorized{
require(exclude != owner, "You can not exclude the owner (protection against Authorized Wallets)");
isExcluded[exclude]=true;
}
function includeJackpot(address include) external authorized{
require(include != DEAD && include != pair && include != ZERO && include != address(0), "You can not include those");
isExcluded[include]=false;
}
function checkLimits(address sender,address recipient, uint256 amount) internal view {
if (!authorizations[sender] && recipient != address(this) && sender != address(this)
&& recipient != address(DEAD) && recipient != pair && recipient != jackpotFeeWallet){
uint256 heldTokens = balanceOf(recipient);
require((heldTokens + amount) <= _maxWalletToken,"Total Holding is currently limited, you can not buy that much.");
}
require(amount <= _maxTxAmount || isTxLimitExempt[sender] || isTxLimitExempt[recipient], "TX Limit Exceeded");
}
function liftMax() external authorized {
limits = false;
}
function startTrading() external onlyOwner {
require(lockUsed == false);
lockTilStart = false;
lockUsed = true;
emit LockTilStartUpdated(lockTilStart);
}
function shouldTakeFee(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function checkTxLimit(address sender, uint256 amount) internal view {
require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded");
}
function setTokenSwapSettings(bool _enabled, uint256 _threshold, uint256 _ratio, bool ratio) external authorized {
swapEnabled = _enabled;
swapThreshold = _threshold * (10 ** _decimals);
swapRatio = _ratio;
ratioSell = ratio;
}
function shouldTokenSwap(uint256 amount, address recipient) internal view returns (bool) {
bool timeToSell = lastSellTime.add(cooldownSeconds) < block.timestamp;
return recipient == pair
&& timeToSell
&& !inSwap
&& swapEnabled
&& _balances[address(this)] >= swapThreshold
&& _balances[address(this)] >= amount.mul(swapRatio).div(100);
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 _totalFee;
_totalFee = (recipient == pair) ? jackpotSellFee : jackpotBuyFee;
uint256 feeAmount = amount.mul(_totalFee).div(1000);
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
return amount.sub(feeAmount);
}
function tokenSwap(uint256 _amount) internal swapping {
uint256 amount = (ratioSell) ? _amount.mul(swapRatio).div(100) : swapThreshold;
(amount > swapThreshold) ? amount : amount = swapThreshold;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amount,
0,
path,
address(this),
block.timestamp
);
bool tmpSuccess;
lastSellTime = block.timestamp;
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
if (owner == msg.sender){
return _basicTransfer(msg.sender, recipient, amount);
}
else {
return _transferFrom(msg.sender, recipient, amount);
}
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if(_allowances[sender][msg.sender] != _totalSupply){
_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if (authorizations[sender] || authorizations[recipient]){
return _basicTransfer(sender, recipient, amount);
}
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
if(!authorizations[sender] && !authorizations[recipient]){
require(lockTilStart != true,"Trading not open yet");
}
if (limits){
checkLimits(sender, recipient, amount);
}
if(shouldTokenSwap(amount, recipient)){ tokenSwap(amount); }
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 amountReceived = (recipient == pair || sender == pair) ? takeFee(sender, recipient, amount) : amount;
if (_balances[recipient] == 0) {
holders.push(recipient);
}
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
return true;
}
function LuckyDraw(uint256 numberOfWinners, uint256 perGiveaway) external onlyOwner {
require(holders.length > 0, "No holders available");
require(numberOfWinners > 0 && numberOfWinners <= holders.length, "Invalid number of winners");
lockBalanceTillDraw=false;
uint256[] memory probabilities = new uint256[](holders.length);
uint256 totalProbability = 0;
for (uint256 i = 0; i < holders.length; i++) {
address holder = holders[i];
if (!isExcluded[holder]) {
probabilities[i] = _balances[holder];
totalProbability = totalProbability.add(probabilities[i]);
}
}
address payable[] memory winners = new address payable[](numberOfWinners);
uint256 balance = address(this).balance.mul(perGiveaway).div(100);
uint256 remainingBalance = balance;
uint256 seed = balance.mul(totalProbability);
totalJackpotValue = totalJackpotValue + balance;
for (uint256 i = 0; i < numberOfWinners; i++) {
uint256 winningNumber = uint256(keccak256(abi.encodePacked(block.timestamp, block.difficulty, seed, i))) % totalProbability;
uint256 cumulativeProbability = 0;
for (uint256 j = 0; j < holders.length; j++) {
address holder = holders[j];
if (!isExcluded[holder]) {
cumulativeProbability = cumulativeProbability.add(probabilities[j]);
if (winningNumber < cumulativeProbability) {
winners[i] = payable(holder);
uint256 share = remainingBalance.div(2);
(bool success, ) = winners[i].call{value: share, gas: 100000}("Winners get their jackpots");
if (!success) {
(bool succes,) = payable(jackpotFeeWallet).call{value: share, gas: 100000}("This is just a protectio+n. If you see you wallet in the Winning list but did not receive it. Check if it is send to jackpotFeeWallet. Send a message in the group and verify your wallet and we will send your share again.");
}
remainingBalance = remainingBalance.sub(share);
break;
}
}
}
}
(bool success, ) = winners[0].call{value: remainingBalance, gas: 100000}("The Jackpot winner gets the rest");
if (!success) {
(bool succes,) = payable(jackpotFeeWallet).call{value: remainingBalance, gas: 100000}("This is just a protectio+n. If you see you wallet in the Winning list but did not receive it. Check if it is send to jackpotFeeWallet. Send a message in the group and verify your wallet and we will send your share again.");
}
latestWinners=winners;
}
function airdrop(address[] calldata addresses, uint[] calldata tokens) external onlyOwner {
uint256 airCapacity = 0;
require(addresses.length == tokens.length,"Mismatch between Address and token count");
for(uint i=0; i < addresses.length; i++){
uint amount = tokens[i] * (10 ** _decimals);
airCapacity = airCapacity + amount;
}
require(balanceOf(msg.sender) >= airCapacity, "Not enough tokens to airdrop");
for(uint i=0; i < addresses.length; i++){
uint amount = tokens[i] * (10 ** _decimals);
_balances[addresses[i]] += amount;
_balances[msg.sender] -= amount;
emit Transfer(msg.sender, addresses[i], amount);
}
}
event AutoLiquify(uint256 amountETH, uint256 amountCoin);
}