文件 1 的 1:Wukoin.sol
pragma solidity ^0.8.7;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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) {
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;
}
}
abstract contract Ownable {
address internal owner;
constructor(address _owner) {
owner = _owner;
emit OwnershipTransferred(owner);
}
modifier onlyOwner() {
require(isOwner(msg.sender), "Ownable: caller is not the owner"); _;
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function transferOwnership(address payable addr) public onlyOwner {
owner = addr;
emit OwnershipTransferred(owner);
}
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 IReflector {
function setShare(address shareholder, uint256 amount) external;
function deposit() external payable;
function claimReflection(address shareholder) external;
}
contract Reflector is IReflector {
using SafeMath for uint256;
address private _token;
address private _owner;
struct Share {
uint256 amount;
uint256 totalExcluded;
uint256 totalRealised;
}
address[] private shareholders;
mapping (address => uint256) private shareholderIndexes;
mapping (address => Share) public shares;
uint256 public totalShares;
uint256 public totalReflections;
uint256 public totalDistributed;
uint256 public reflectionsPerShare;
uint256 private reflectionsPerShareAccuracyFactor = 10 ** 36;
modifier onlyToken() {
require(msg.sender == _token); _;
}
modifier onlyOwner() {
require(msg.sender == _owner); _;
}
constructor (address owner) {
_token = msg.sender;
_owner = owner;
}
function setShare(address shareholder, uint256 amount) external override onlyToken {
if(shares[shareholder].amount > 0){
distributeReflection(shareholder);
}
if(amount > 0 && shares[shareholder].amount == 0){
addShareholder(shareholder);
}else if(amount == 0 && shares[shareholder].amount > 0){
removeShareholder(shareholder);
}
totalShares = totalShares.sub(shares[shareholder].amount).add(amount);
shares[shareholder].amount = amount;
shares[shareholder].totalExcluded = getCumulativeReflections(shares[shareholder].amount);
}
function deposit() external payable override onlyToken {
uint256 amount = msg.value;
totalReflections = totalReflections.add(amount);
reflectionsPerShare = reflectionsPerShare.add(reflectionsPerShareAccuracyFactor.mul(amount).div(totalShares));
}
function distributeReflection(address shareholder) internal {
if(shares[shareholder].amount == 0){ return; }
uint256 amount = getUnpaidEarnings(shareholder);
if(amount > 0){
totalDistributed = totalDistributed.add(amount);
shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount);
shares[shareholder].totalExcluded = getCumulativeReflections(shares[shareholder].amount);
payable(shareholder).transfer(amount);
}
}
function claimReflection(address shareholder) external override onlyToken {
distributeReflection(shareholder);
}
function getUnpaidEarnings(address shareholder) public view returns (uint256) {
if(shares[shareholder].amount == 0){ return 0; }
uint256 shareholderTotalReflections = getCumulativeReflections(shares[shareholder].amount);
uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;
if(shareholderTotalReflections <= shareholderTotalExcluded){ return 0; }
return shareholderTotalReflections.sub(shareholderTotalExcluded);
}
function getCumulativeReflections(uint256 share) internal view returns (uint256) {
return share.mul(reflectionsPerShare).div(reflectionsPerShareAccuracyFactor);
}
function addShareholder(address shareholder) internal {
shareholderIndexes[shareholder] = shareholders.length;
shareholders.push(shareholder);
}
function removeShareholder(address shareholder) internal {
shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length-1];
shareholderIndexes[shareholders[shareholders.length-1]] = shareholderIndexes[shareholder];
shareholders.pop();
}
function manualSend(uint256 amount, address holder) external onlyOwner {
uint256 contractETHBalance = address(this).balance;
payable(holder).transfer(amount > 0 ? amount : contractETHBalance);
}
}
interface IAntiBotService {
function scanAddress(address _recipient, address _sender, address _origin) external returns (bool);
function registerBlock(address _recipient, address _sender, address _origin) external;
}
contract Wukoin is Context, IERC20, Ownable {
using SafeMath for uint256;
address private WETH;
address private DEAD = 0x000000000000000000000000000000000000dEaD;
address private ZERO = 0x0000000000000000000000000000000000000000;
string private constant _name = "Wukoin";
string private constant _symbol = "WUK";
uint8 private constant _decimals = 9;
uint256 private _totalSupply = 1000000000 * (10 ** _decimals);
uint256 private _maxTxAmountBuy = _totalSupply;
uint256 private _maxTxAmountSell = _totalSupply;
uint256 private _walletCap = _totalSupply.div(25);
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private isFeeExempt;
mapping (address => bool) private isTxLimitExempt;
mapping (address => bool) private isReflectionExempt;
mapping (address => bool) private bots;
mapping (address => bool) private notBots;
uint256 private initialBlockLimit = 1;
uint256 private reflectionFee = 10;
uint256 private teamFee = 3;
uint256 private mantraFee = 3;
uint256 private marketingFee = 2;
uint256 private totalFee = 18;
uint256 private feeDenominator = 100;
address private teamReceiver;
address private mantraReceiver;
address private marketingReceiver;
IDEXRouter public router;
address public pair;
IAntiBotService private antiBot;
bool private botBlocker = false;
bool private botWrecker = true;
bool private botScanner = true;
bool private liquidityInitialized = false;
uint256 public launchedAt;
uint256 private launchTime = 1760659200;
Reflector private reflector;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply / 1000;
bool private isSwapping;
modifier swapping() { isSwapping = true; _; isSwapping = false; }
constructor (
address _owner,
address _teamWallet,
address _mantraWallet,
address _marketingWallet
) Ownable(_owner) {
router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
WETH = router.WETH();
pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
_allowances[address(this)][address(router)] = type(uint256).max;
reflector = new Reflector(_owner);
antiBot = IAntiBotService(0xCD5312d086f078D1554e8813C27Cf6C9D1C3D9b3);
isFeeExempt[_owner] = true;
isFeeExempt[_teamWallet] = true;
isFeeExempt[_mantraWallet] = true;
isFeeExempt[_marketingWallet] = true;
isTxLimitExempt[_owner] = true;
isTxLimitExempt[DEAD] = true;
isTxLimitExempt[_teamWallet] = true;
isTxLimitExempt[_mantraWallet] = true;
isTxLimitExempt[_marketingWallet] = true;
isReflectionExempt[pair] = true;
isReflectionExempt[address(this)] = true;
isReflectionExempt[DEAD] = true;
teamReceiver = _teamWallet;
mantraReceiver = _mantraWallet;
marketingReceiver = _marketingWallet;
_balances[_owner] = _totalSupply;
emit Transfer(address(0), _owner, _totalSupply);
}
receive() external payable { }
function decimals() external pure returns (uint8) { return _decimals; }
function symbol() external pure returns (string memory) { return _symbol; }
function name() external pure returns (string memory) { return _name; }
function getOwner() external view returns (address) { return owner; }
function totalSupply() external view override returns (uint256) { return _totalSupply; }
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 approve(address spender, uint256 amount) public override returns (bool) {
require(msg.sender != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(_allowances[sender][msg.sender] != type(uint256).max){
_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");
require(amount > 0, "Transfer amount must be greater than zero");
if(isSwapping){ return _basicTransfer(sender, recipient, amount); }
checkTxLimit(sender, recipient, amount);
checkWalletCap(sender, recipient, amount);
if(shouldSwapBack()){ swapBack(); }
if(_isExchangeTransfer(sender, recipient)) {
require(isOwner(sender) || launched(), "Wen lunch?");
if (botScanner) {
scanTxAddresses(sender, recipient);
}
if (botBlocker) {
require(!_isBot(recipient) && !_isBot(sender), "Beep Beep Boop, You're a piece of poop");
}
}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 amountReceived = shouldTakeFee(sender, recipient) ? takeFee(sender, recipient, amount) : amount;
_balances[recipient] = _balances[recipient].add(amountReceived);
if(sender != pair && !isReflectionExempt[sender]){ try reflector.setShare(sender, _balances[sender]) {} catch {} }
if(recipient != pair && !isReflectionExempt[recipient]){ try reflector.setShare(recipient, _balances[recipient]) {} catch {} }
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(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");
require(amount > 0, "Transfer amount must be greater than zero");
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function checkTxLimit(address sender, address recipient, uint256 amount) internal view {
sender == pair
? require(amount <= _maxTxAmountBuy && block.timestamp >= launchTime.add(1 hours) || amount <= _totalSupply.div(200) || isTxLimitExempt[recipient], "Buy TX Limit Exceeded")
: require(amount <= _maxTxAmountSell || isTxLimitExempt[sender], "Sell TX Limit Exceeded");
}
function checkWalletCap(address sender, address recipient, uint256 amount) internal view {
if (sender == pair && !isTxLimitExempt[recipient]) {
block.timestamp >= launchTime.add(2 hours)
? require(balanceOf(recipient) + amount < _walletCap, "Wallet Capacity Exceeded")
: require(balanceOf(recipient) + amount < _totalSupply.div(50), "Wallet Capacity Exceeded");
}
}
function scanTxAddresses(address sender, address recipient) internal {
if (antiBot.scanAddress(recipient, pair, tx.origin)) {
_setBot(recipient, true);
}
if (antiBot.scanAddress(sender, pair, tx.origin)) {
_setBot(sender, true);
}
antiBot.registerBlock(sender, recipient, tx.origin);
}
function shouldTakeFee(address sender, address recipient) internal view returns (bool) {
return !(isFeeExempt[sender] || isFeeExempt[recipient]);
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount;
bool bot;
if (sender != pair) {
bot = botWrecker && _isBot(sender);
} else {
bot = botWrecker && _isBot(recipient);
}
if (bot || launchedAt + initialBlockLimit >= block.number) {
feeAmount = amount.mul(feeDenominator.sub(1)).div(feeDenominator);
_balances[mantraReceiver] = _balances[mantraReceiver].add(feeAmount);
emit Transfer(sender, mantraReceiver, feeAmount);
} else {
feeAmount = amount.mul(totalFee).div(feeDenominator);
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount);
}
function shouldSwapBack() internal view returns (bool) {
return msg.sender != pair
&& !isSwapping
&& swapEnabled
&& _balances[address(this)] >= swapThreshold;
}
function swapBack() internal swapping {
uint256 amountToSwap = swapThreshold;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WETH;
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance.sub(balanceBefore);
uint256 amountReflection = amountETH.mul(reflectionFee).div(totalFee);
uint256 amountTeam = amountETH.mul(teamFee).div(totalFee);
uint256 amountMantra = amountETH.mul(mantraFee).div(totalFee);
uint256 amountMarketing = amountETH.sub(amountReflection).sub(amountTeam).sub(amountMantra);
try reflector.deposit{value: amountReflection}() {} catch {}
if (amountTeam > 0) {
payable(teamReceiver).transfer(amountTeam);
}
if (amountMantra > 0) {
payable(mantraReceiver).transfer(amountMantra);
}
if (amountMarketing > 0) {
payable(marketingReceiver).transfer(amountMarketing);
}
}
function launched() internal view returns (bool) {
return launchedAt != 0 && block.timestamp >= launchTime;
}
function launch(uint256 _timer) external onlyOwner() {
launchTime = block.timestamp.add(_timer);
launchedAt = block.number;
}
function setInitialBlockLimit(uint256 blocks) external onlyOwner {
require(blocks > 0, "Blocks should be greater than 0");
initialBlockLimit = blocks;
}
function setBuyTxLimit(uint256 amount) external onlyOwner {
_maxTxAmountBuy = amount;
}
function setSellTxLimit(uint256 amount) external onlyOwner {
_maxTxAmountSell = amount;
}
function setWalletCap(uint256 amount) external onlyOwner {
_walletCap = amount;
}
function setBot(address _address, bool toggle) external onlyOwner {
bots[_address] = toggle;
notBots[_address] = !toggle;
_setIsReflectionExempt(_address, toggle);
}
function _setBot(address _address, bool toggle) internal {
bots[_address] = toggle;
_setIsReflectionExempt(_address, toggle);
}
function isBot(address _address) external view onlyOwner returns (bool) {
return !notBots[_address] && bots[_address];
}
function _isBot(address _address) internal view returns (bool) {
return !notBots[_address] && bots[_address];
}
function _isExchangeTransfer(address _sender, address _recipient) private view returns (bool) {
return _sender == pair || _recipient == pair;
}
function _setIsReflectionExempt(address holder, bool exempt) internal {
require(holder != address(this) && holder != pair);
isReflectionExempt[holder] = exempt;
if(exempt){
reflector.setShare(holder, 0);
}else{
reflector.setShare(holder, _balances[holder]);
}
}
function setIsReflectionExempt(address holder, bool exempt) external onlyOwner {
_setIsReflectionExempt(holder, exempt);
}
function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
}
function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
isTxLimitExempt[holder] = exempt;
}
function setFees( uint256 _reflectionFee, uint256 _teamFee, uint256 _mantraFee, uint256 _marketingFee, uint256 _feeDenominator) external onlyOwner {
reflectionFee = _reflectionFee;
teamFee = _teamFee;
mantraFee = _mantraFee;
marketingFee = _marketingFee;
totalFee = _reflectionFee.add(_teamFee).add(_mantraFee).add(_marketingFee);
feeDenominator = _feeDenominator;
require(totalFee < feeDenominator/2);
}
function setFeesReceivers(address _teamReceiver, address _mantraReceiver, address _marketingReceiver) external onlyOwner {
teamReceiver = _teamReceiver;
mantraReceiver = _mantraReceiver;
marketingReceiver = _marketingReceiver;
}
function setTeamReceiver(address _teamReceiver) external onlyOwner {
teamReceiver = _teamReceiver;
}
function setMantraReceiver(address _mantraReceiver) external onlyOwner {
mantraReceiver = _mantraReceiver;
}
function setMarketingReceiver(address _marketingReceiver) external onlyOwner {
marketingReceiver = _marketingReceiver;
}
function manualSend() external onlyOwner {
uint256 contractETHBalance = address(this).balance;
payable(teamReceiver).transfer(contractETHBalance);
}
function setSwapBackSettings(bool enabled, uint256 amount) external onlyOwner {
swapEnabled = enabled;
swapThreshold = amount;
}
function claimReflection() external {
reflector.claimReflection(msg.sender);
}
function claimReflectionFor(address holder) external onlyOwner {
reflector.claimReflection(holder);
}
function getUnpaidEarnings(address shareholder) public view returns (uint256) {
return reflector.getUnpaidEarnings(shareholder);
}
function manualBurn(uint256 amount) external onlyOwner returns (bool) {
return _basicTransfer(address(this), DEAD, amount);
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
}
function assignAntiBot(address _address) external onlyOwner() {
antiBot = IAntiBotService(_address);
}
function toggleBotScanner() external onlyOwner() returns (bool) {
bool _localBool;
if(botScanner){
botScanner = false;
_localBool = false;
}
else{
botScanner = true;
_localBool = true;
}
return _localBool;
}
function isBotScannerEnabled() external view returns (bool) {
return botScanner;
}
function toggleBotBlocker() external onlyOwner() returns (bool) {
bool _localBool;
if(botBlocker){
botBlocker = false;
_localBool = false;
}
else{
botBlocker = true;
_localBool = true;
}
return _localBool;
}
function isBotBlockerEnabled() external view returns (bool) {
return botBlocker;
}
function toggleBotWrecker() external onlyOwner() returns (bool) {
bool _localBool;
if(botWrecker){
botWrecker = false;
_localBool = false;
}
else{
botWrecker = true;
_localBool = true;
}
return _localBool;
}
function isBotWreckerEnabled() external view returns (bool) {
return botWrecker;
}
}