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/** ░█▀▀░█▀█░█▀█░▀█▀░█▀▀░█▀█░▀█▀░░░█░█░█▀▀░█░░░█░░░█▀█░█▀▀░█▀▀░█▀▀ ░▀▀█░█▀█░█▀▀░░█░░█▀▀░█░█░░█░░░░█▄█░█▀▀░█░░░█░░░█░█░█▀▀░▀▀█░▀▀█ ░▀▀▀░▀░▀░▀░░░▀▀▀░▀▀▀░▀░▀░░▀░░░░▀░▀░▀▀▀░▀▀▀░▀▀▀░▀░▀░▀▀▀░▀▀▀░▀▀▀ **/ //SPDX-License-Identifier: MIT pragma solidity ^0.8.10; /** * SAFEMATH LIBRARY */ library SafeMath { function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } 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 mod(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; } } function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } } interface IBEP20 { 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; } /** * Function modifier to require caller to be contract owner */ modifier onlyOwner() { require(isOwner(msg.sender), "!OWNER"); _; } /** * Function modifier to require caller to be authorized */ modifier authorized() { require(isAuthorized(msg.sender), "!AUTHORIZED"); _; } /** * Authorize address. Owner only */ function authorize(address adr) public onlyOwner { authorizations[adr] = true; } /** * Remove address' authorization. Owner only */ function unauthorize(address adr) public onlyOwner { authorizations[adr] = false; } /** * Check if address is owner */ function isOwner(address account) public view returns (bool) { return account == owner; } /** * Return address' authorization status */ function isAuthorized(address adr) public view returns (bool) { return authorizations[adr]; } /** * Transfer ownership to new address. Caller must be owner. Leaves old owner authorized */ 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 IDividendDistributor { function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external; function setShare(address shareholder, uint256 amount) external; function deposit() external payable; function process(uint256 gas) external; } contract DividendDistributor is IDividendDistributor { using SafeMath for uint256; address _token; struct Share { uint256 amount; uint256 totalExcluded; uint256 totalRealised; } IBEP20 BUSD = IBEP20(0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56); address WBNB = 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c; IDEXRouter router; address[] shareholders; mapping (address => uint256) shareholderIndexes; mapping (address => uint256) shareholderClaims; mapping (address => Share) public shares; uint256 public totalShares; uint256 public totalDividends; uint256 public totalDistributed; uint256 public dividendsPerShare; uint256 public dividendsPerShareAccuracyFactor = 10 ** 36; uint256 public minPeriod = 1 hours; uint256 public minDistribution = 1 * (10 ** 18); uint256 currentIndex; bool initialized; modifier initialization() { require(!initialized); _; initialized = true; } modifier onlyToken() { require(msg.sender == _token); _; } constructor (address _router) { router = _router != address(0) ? IDEXRouter(_router) : IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E); _token = msg.sender; } function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external override onlyToken { minPeriod = _minPeriod; minDistribution = _minDistribution; } function setShare(address shareholder, uint256 amount) external override onlyToken { if(shares[shareholder].amount > 0){ distributeDividend(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 = getCumulativeDividends(shares[shareholder].amount); } function deposit() external payable override onlyToken { uint256 balanceBefore = BUSD.balanceOf(address(this)); address[] memory path = new address[](2); path[0] = WBNB; path[1] = address(BUSD); router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}( 0, path, address(this), block.timestamp ); uint256 amount = BUSD.balanceOf(address(this)).sub(balanceBefore); totalDividends = totalDividends.add(amount); dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)); } function process(uint256 gas) external override onlyToken { uint256 shareholderCount = shareholders.length; if(shareholderCount == 0) { return; } uint256 gasUsed = 0; uint256 gasLeft = gasleft(); uint256 iterations = 0; while(gasUsed < gas && iterations < shareholderCount) { if(currentIndex >= shareholderCount){ currentIndex = 0; } if(shouldDistribute(shareholders[currentIndex])){ distributeDividend(shareholders[currentIndex]); } gasUsed = gasUsed.add(gasLeft.sub(gasleft())); gasLeft = gasleft(); currentIndex++; iterations++; } } function shouldDistribute(address shareholder) internal view returns (bool) { return shareholderClaims[shareholder] + minPeriod < block.timestamp && getUnpaidEarnings(shareholder) > minDistribution; } function distributeDividend(address shareholder) internal { if(shares[shareholder].amount == 0){ return; } uint256 amount = getUnpaidEarnings(shareholder); if(amount > 0){ totalDistributed = totalDistributed.add(amount); BUSD.transfer(shareholder, amount); shareholderClaims[shareholder] = block.timestamp; shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount); shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount); } } function claimDividend() external { distributeDividend(msg.sender); } function getUnpaidEarnings(address shareholder) public view returns (uint256) { if(shares[shareholder].amount == 0){ return 0; } uint256 shareholderTotalDividends = getCumulativeDividends(shares[shareholder].amount); uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded; if(shareholderTotalDividends <= shareholderTotalExcluded){ return 0; } return shareholderTotalDividends.sub(shareholderTotalExcluded); } function getCumulativeDividends(uint256 share) internal view returns (uint256) { return share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor); } 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(); } } contract SapientWellness is IBEP20, Auth { using SafeMath for uint256; uint256 public constant MASK = type(uint128).max; address BUSD = 0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56; address public WBNB = 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c; address DEAD = 0x000000000000000000000000000000000000dEaD; address ZERO = 0x0000000000000000000000000000000000000000; address DEAD_NON_CHECKSUM = 0x000000000000000000000000000000000000dEaD; string constant _name = "Sapient Wellness"; string constant _symbol = "SPW"; uint8 constant _decimals = 9; uint256 _totalSupply = 100_000_000 * (10 ** _decimals); uint256 public _maxTxAmount = _totalSupply.div(400); // 0.25% mapping (address => uint256) _balances; mapping (address => mapping (address => uint256)) _allowances; mapping (address => bool) isFeeExempt; mapping (address => bool) isTxLimitExempt; mapping (address => bool) isDividendExempt; uint256 liquidityFee = 200; uint256 buybackFee = 300; uint256 reflectionFee = 800; uint256 marketingFee = 100; uint256 totalFee = 1400; uint256 feeDenominator = 10000; address public autoLiquidityReceiver; address public marketingFeeReceiver; uint256 targetLiquidity = 25; uint256 targetLiquidityDenominator = 100; IDEXRouter public router; address public pair; uint256 public launchedAt; uint256 public launchedAtTimestamp; uint256 buybackMultiplierNumerator = 200; uint256 buybackMultiplierDenominator = 100; uint256 buybackMultiplierTriggeredAt; uint256 buybackMultiplierLength = 30 minutes; bool public autoBuybackEnabled = false; mapping (address => bool) buyBacker; uint256 autoBuybackCap; uint256 autoBuybackAccumulator; uint256 autoBuybackAmount; uint256 autoBuybackBlockPeriod; uint256 autoBuybackBlockLast; DividendDistributor distributor; address public distributorAddress; uint256 distributorGas = 500000; bool public swapEnabled = true; uint256 public swapThreshold = _totalSupply / 2000; // 0.005% bool inSwap; modifier swapping() { inSwap = true; _; inSwap = false; } constructor ( address _dexRouter ) Auth(msg.sender) { router = IDEXRouter(_dexRouter); pair = IDEXFactory(router.factory()).createPair(WBNB, address(this)); _allowances[address(this)][address(router)] = _totalSupply; WBNB = router.WETH(); distributor = new DividendDistributor(_dexRouter); distributorAddress = address(distributor); isFeeExempt[msg.sender] = true; isTxLimitExempt[msg.sender] = true; isDividendExempt[pair] = true; isDividendExempt[address(this)] = true; isDividendExempt[DEAD] = true; buyBacker[msg.sender] = true; autoLiquidityReceiver = msg.sender; marketingFeeReceiver = msg.sender; approve(_dexRouter, _totalSupply); approve(address(pair), _totalSupply); _balances[msg.sender] = _totalSupply; 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; } modifier onlyBuybacker() { require(buyBacker[msg.sender] == true, ""); _; } 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) { _allowances[msg.sender][spender] = amount; emit Approval(msg.sender, spender, amount); return true; } function approveMax(address spender) external returns (bool) { return approve(spender, _totalSupply); } 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] != _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) { if(inSwap){ return _basicTransfer(sender, recipient, amount); } checkTxLimit(sender, amount); // if(shouldSwapBack()){ swapBack(); } if(shouldAutoBuyback()){ triggerAutoBuyback(); } // if(!launched() && recipient == pair){ require(_balances[sender] > 0); launch(); } _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance"); uint256 amountReceived = shouldTakeFee(sender) ? takeFee(sender, recipient, amount) : amount; _balances[recipient] = _balances[recipient].add(amountReceived); if(!isDividendExempt[sender]){ try distributor.setShare(sender, _balances[sender]) {} catch {} } if(!isDividendExempt[recipient]){ try distributor.setShare(recipient, _balances[recipient]) {} catch {} } try distributor.process(distributorGas) {} catch {} emit Transfer(sender, recipient, amountReceived); return true; } function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) { _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, uint256 amount) internal view { require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded"); } function shouldTakeFee(address sender) internal view returns (bool) { return !isFeeExempt[sender]; } function getTotalFee(bool selling) public view returns (uint256) { if(launchedAt + 1 >= block.number){ return feeDenominator.sub(1); } if(selling){ return getMultipliedFee(); } return totalFee; } function getMultipliedFee() public view returns (uint256) { if (launchedAtTimestamp + 1 days > block.timestamp) { return totalFee.mul(18000).div(feeDenominator); } else if (buybackMultiplierTriggeredAt.add(buybackMultiplierLength) > block.timestamp) { uint256 remainingTime = buybackMultiplierTriggeredAt.add(buybackMultiplierLength).sub(block.timestamp); uint256 feeIncrease = totalFee.mul(buybackMultiplierNumerator).div(buybackMultiplierDenominator).sub(totalFee); return totalFee.add(feeIncrease.mul(remainingTime).div(buybackMultiplierLength)); } return totalFee; } function takeFee(address sender, address receiver, uint256 amount) internal returns (uint256) { uint256 feeAmount = amount.mul(getTotalFee(receiver == pair)).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 && !inSwap && swapEnabled && _balances[address(this)] >= swapThreshold; } function swapBack() internal swapping { uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee; uint256 amountToLiquify = swapThreshold.mul(dynamicLiquidityFee).div(totalFee).div(2); uint256 amountToSwap = swapThreshold.sub(amountToLiquify); address[] memory path = new address[](2); path[0] = address(this); path[1] = WBNB; uint256 balanceBefore = address(this).balance; router.swapExactTokensForETHSupportingFeeOnTransferTokens( amountToSwap, 0, path, address(this), block.timestamp ); uint256 amountBNB = address(this).balance.sub(balanceBefore); uint256 totalBNBFee = totalFee.sub(dynamicLiquidityFee.div(2)); uint256 amountBNBLiquidity = amountBNB.mul(dynamicLiquidityFee).div(totalBNBFee).div(2); uint256 amountBNBReflection = amountBNB.mul(reflectionFee).div(totalBNBFee); uint256 amountBNBMarketing = amountBNB.mul(marketingFee).div(totalBNBFee); try distributor.deposit{value: amountBNBReflection}() {} catch {} payable(marketingFeeReceiver).transfer(amountBNBMarketing); if(amountToLiquify > 0){ router.addLiquidityETH{value: amountBNBLiquidity}( address(this), amountToLiquify, 0, 0, autoLiquidityReceiver, block.timestamp ); emit AutoLiquify(amountBNBLiquidity, amountToLiquify); } } function shouldAutoBuyback() internal view returns (bool) { return msg.sender != pair && !inSwap && autoBuybackEnabled && autoBuybackBlockLast + autoBuybackBlockPeriod <= block.number // After N blocks from last buyback && address(this).balance >= autoBuybackAmount; } function triggerZeusBuyback(uint256 amount, bool triggerBuybackMultiplier) external authorized { buyTokens(amount, DEAD); if(triggerBuybackMultiplier){ buybackMultiplierTriggeredAt = block.timestamp; emit BuybackMultiplierActive(buybackMultiplierLength); } } function clearBuybackMultiplier() external authorized { buybackMultiplierTriggeredAt = 0; } function triggerAutoBuyback() internal { buyTokens(autoBuybackAmount, DEAD); autoBuybackBlockLast = block.number; autoBuybackAccumulator = autoBuybackAccumulator.add(autoBuybackAmount); if(autoBuybackAccumulator > autoBuybackCap){ autoBuybackEnabled = false; } } function buyTokens(uint256 amount, address to) internal swapping { address[] memory path = new address[](2); path[0] = WBNB; path[1] = address(this); router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: amount}( 0, path, to, block.timestamp ); } function setAutoBuybackSettings(bool _enabled, uint256 _cap, uint256 _amount, uint256 _period) external authorized { autoBuybackEnabled = _enabled; autoBuybackCap = _cap; autoBuybackAccumulator = 0; autoBuybackAmount = _amount; autoBuybackBlockPeriod = _period; autoBuybackBlockLast = block.number; } function setBuybackMultiplierSettings(uint256 numerator, uint256 denominator, uint256 length) external authorized { require(numerator / denominator <= 2 && numerator > denominator); buybackMultiplierNumerator = numerator; buybackMultiplierDenominator = denominator; buybackMultiplierLength = length; } function launched() internal view returns (bool) { return launchedAt != 0; } function launch() public authorized { require(launchedAt == 0, "Already launched boi"); launchedAt = block.number; launchedAtTimestamp = block.timestamp; } function setTxLimit(uint256 amount) external authorized { require(amount >= _totalSupply / 1000); _maxTxAmount = amount; } function setIsDividendExempt(address holder, bool exempt) external authorized { require(holder != address(this) && holder != pair); isDividendExempt[holder] = exempt; if(exempt){ distributor.setShare(holder, 0); }else{ distributor.setShare(holder, _balances[holder]); } } function setIsFeeExempt(address holder, bool exempt) external authorized { isFeeExempt[holder] = exempt; } function setIsTxLimitExempt(address holder, bool exempt) external authorized { isTxLimitExempt[holder] = exempt; } function setFees(uint256 _liquidityFee, uint256 _buybackFee, uint256 _reflectionFee, uint256 _marketingFee, uint256 _feeDenominator) external authorized { liquidityFee = _liquidityFee; buybackFee = _buybackFee; reflectionFee = _reflectionFee; marketingFee = _marketingFee; totalFee = _liquidityFee.add(_buybackFee).add(_reflectionFee).add(_marketingFee); feeDenominator = _feeDenominator; require(totalFee < feeDenominator/4); } function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver) external authorized { autoLiquidityReceiver = _autoLiquidityReceiver; marketingFeeReceiver = _marketingFeeReceiver; } function setSwapBackSettings(bool _enabled, uint256 _amount) external authorized { swapEnabled = _enabled; swapThreshold = _amount; } function setTargetLiquidity(uint256 _target, uint256 _denominator) external authorized { targetLiquidity = _target; targetLiquidityDenominator = _denominator; } function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external authorized { distributor.setDistributionCriteria(_minPeriod, _minDistribution); } function setDistributorSettings(uint256 gas) external authorized { require(gas < 750000); distributorGas = gas; } function getCirculatingSupply() public view returns (uint256) { return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO)); } function getLiquidityBacking(uint256 accuracy) public view returns (uint256) { return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply()); } function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) { return getLiquidityBacking(accuracy) > target; } event AutoLiquify(uint256 amountBNB, uint256 amountBOG); event BuybackMultiplierActive(uint256 duration); }