/** *Submitted for verification at Etherscan.io on 2018-02-25 */ pragma solidity ^0.4.20; /* * Team JUST presents.. * ====================================* * _____ _ _ _ _____ ___ ____ * *| _ |___| | | | | | |_ | \ * *| __| . | | | | | |_ | | | * *|__| |___|_____|__|__| |___|____/ * * * * ====================================* * -> What? * The original autonomous pyramid, improved: * [x] More stable than ever, having withstood severe testnet abuse and attack attempts from our community!. * [x] Audited, tested, and approved by known community security specialists such as tocsick and Arc. * [X] New functionality; you can now perform partial sell orders. If you succumb to weak hands, you don't have to dump all of your bags! * [x] New functionality; you can now transfer tokens between wallets. Trading is now possible from within the contract! * [x] New Feature: PoS Masternodes! The first implementation of Ethereum Staking in the world! Vitalik is mad. * [x] Masternodes: Holding 100 PoWH3D Tokens allow you to generate a Masternode link, Masternode links are used as unique entry points to the contract! * [x] Masternodes: All players who enter the contract through your Masternode have 30% of their 10% dividends fee rerouted from the master-node, to the node-master! * * -> What about the last projects? * Every programming member of the old dev team has been fired and/or killed by 232. * The new dev team consists of seasoned, professional developers and has been audited by veteran solidity experts. * Additionally, two independent testnet iterations have been used by hundreds of people; not a single point of failure was found. * * -> Who worked on this project? * - PonziBot (math/memes/main site/master) * - Mantso (lead solidity dev/lead web3 dev) * - swagg (concept design/feedback/management) * - Anonymous#1 (main site/web3/test cases) * - Anonymous#2 (math formulae/whitepaper) * * -> Who has audited & approved the projected: * - Arc * - tocisck * - sumpunk */ contract Hourglass { /*================================= = MODIFIERS = =================================*/ // only people with tokens modifier onlyBagholders() { require(myTokens() > 0); _; } // only people with profits modifier onlyStronghands() { require(myDividends(true) > 0); _; } // administrators can: // -> change the name of the contract // -> change the name of the token // -> change the PoS difficulty (How many tokens it costs to hold a masternode, in case it gets crazy high later) // they CANNOT: // -> take funds // -> disable withdrawals // -> kill the contract // -> change the price of tokens modifier onlyAdministrator(){ address _customerAddress = msg.sender; require(administrators[keccak256(_customerAddress)]); _; } // ensures that the first tokens in the contract will be equally distributed // meaning, no divine dump will be ever possible // result: healthy longevity. modifier antiEarlyWhale(uint256 _amountOfEthereum){ address _customerAddress = msg.sender; // are we still in the vulnerable phase? // if so, enact anti early whale protocol if( onlyAmbassadors && ((totalEthereumBalance() - _amountOfEthereum) <= ambassadorQuota_ )){ require( // is the customer in the ambassador list? ambassadors_[_customerAddress] == true && // does the customer purchase exceed the max ambassador quota? (ambassadorAccumulatedQuota_[_customerAddress] + _amountOfEthereum) <= ambassadorMaxPurchase_ ); // updated the accumulated quota ambassadorAccumulatedQuota_[_customerAddress] = SafeMath.add(ambassadorAccumulatedQuota_[_customerAddress], _amountOfEthereum); // execute _; } else { // in case the ether count drops low, the ambassador phase won't reinitiate onlyAmbassadors = false; _; } } /*============================== = EVENTS = ==============================*/ event onTokenPurchase( address indexed customerAddress, uint256 incomingEthereum, uint256 tokensMinted, address indexed referredBy ); event onTokenSell( address indexed customerAddress, uint256 tokensBurned, uint256 ethereumEarned ); event onReinvestment( address indexed customerAddress, uint256 ethereumReinvested, uint256 tokensMinted ); event onWithdraw( address indexed customerAddress, uint256 ethereumWithdrawn ); // ERC20 event Transfer( address indexed from, address indexed to, uint256 tokens ); /*===================================== = CONFIGURABLES = =====================================*/ string public name = "PowH3D"; string public symbol = "P3D"; uint8 constant public decimals = 18; uint8 constant internal dividendFee_ = 10; uint256 constant internal tokenPriceInitial_ = 0.0000001 ether; uint256 constant internal tokenPriceIncremental_ = 0.00000001 ether; uint256 constant internal magnitude = 2**64; // proof of stake (defaults at 100 tokens) uint256 public stakingRequirement = 100e18; // ambassador program mapping(address => bool) internal ambassadors_; uint256 constant internal ambassadorMaxPurchase_ = 1 ether; uint256 constant internal ambassadorQuota_ = 20 ether; /*================================ = DATASETS = ================================*/ // amount of shares for each address (scaled number) mapping(address => uint256) internal tokenBalanceLedger_; mapping(address => uint256) internal referralBalance_; mapping(address => int256) internal payoutsTo_; mapping(address => uint256) internal ambassadorAccumulatedQuota_; uint256 internal tokenSupply_ = 0; uint256 internal profitPerShare_; // administrator list (see above on what they can do) mapping(bytes32 => bool) public administrators; // when this is set to true, only ambassadors can purchase tokens (this prevents a whale premine, it ensures a fairly distributed upper pyramid) bool public onlyAmbassadors = true; /*======================================= = PUBLIC FUNCTIONS = =======================================*/ /* * -- APPLICATION ENTRY POINTS -- */ function Hourglass() public { // add administrators here administrators[0xdd8bb99b13fe33e1c32254dfb8fff3e71193f6b730a89dd33bfe5dedc6d83002] = true; // add the ambassadors here. // mantso - lead solidity dev & lead web dev. ambassadors_[0x8b4DA1827932D71759687f925D17F81Fc94e3A9D] = true; // ponzibot - mathematics & website, and undisputed meme god. ambassadors_[0x8e0d985f3Ec1857BEc39B76aAabDEa6B31B67d53] = true; // swagg - concept design, feedback, management. ambassadors_[0x7563A35d5610eE7c9CD330E255Da0e779a644C19] = true; // k-dawgz - shilling machine, meme maestro, bizman. ambassadors_[0x215e3C713BADb158A457e61f99325bBB5d278E57] = true; // elmojo - all those pretty .GIFs & memes you see? you can thank this man for that. ambassadors_[0xaFF8B5CDCB339eEf5e1100597740a394C7B9c6cA] = true; // capex - community moderator. ambassadors_[0x8dc6569c28521560EAF1890bC41b2F3FC2010E1b] = true; // jörmungandr - pentests & twitter trendsetter. ambassadors_[0xf14BE3662FE4c9215c27698166759Db6967De94f] = true; // inventor - the source behind the non-intrusive referral model. ambassadors_[0x18E90Fc6F70344f53EBd4f6070bf6Aa23e2D748C] = true; // tocsick - pentesting, contract auditing. ambassadors_[0x49Aae4D923207e80Fc91E626BCb6532502264dfC] = true; // arc - pentesting, contract auditing. ambassadors_[0x3a0cca1A832644B60730E5D4c27947C5De609d62] = true; // sumpunk - contract auditing. ambassadors_[0x7ac74Fcc1a71b106F12c55ee8F802C9F672Ce40C] = true; // randall - charts & sheets, data dissector, advisor. ambassadors_[0x2b219C2178f099dE4E9A3667d5cCc2cc64da0763] = true; // ambius - 3d chart visualization. ambassadors_[0x2A04C7335f90a6bd4e9c4F713DD792200e27F2E6] = true; // contributors that need to remain private out of security concerns. ambassadors_[0x35668818ba8F768D4C21787a6f45C86C69394dfD] = true; //dp ambassadors_[0xa3120da52e604aC3Fc80A63813Ef15476e0B6AbD] = true; //tc ambassadors_[0x924E71bA600372e2410285423F1Fe66799b717EC] = true; //ja ambassadors_[0x6Ed450e062C20F929CB7Ee72fCc53e9697980a18] = true; //sf ambassadors_[0x18864A6682c8EB79EEA5B899F11bC94ef9a85ADb] = true; //tb ambassadors_[0x9cC1BdC994b7a847705D19106287C0BF94EF04B5] = true; //sm ambassadors_[0x6926572813ec1438088963f208C61847df435a74] = true; //mc ambassadors_[0xE16Ab764a02Ae03681E351Ac58FE79717c0eE8C6] = true; //et ambassadors_[0x276F4a79F22D1BfC51Bd8dc5b27Bfd934C823932] = true; //sn ambassadors_[0xA2b4ed3E2f4beF09FB35101B76Ef4cB9D3eeCaCf] = true; //bt ambassadors_[0x147fc6b04c95BCE47D013c8d7a200ee434323669] = true; //al } /** * Converts all incoming ethereum to tokens for the caller, and passes down the referral addy (if any) */ function buy(address _referredBy) public payable returns(uint256) { purchaseTokens(msg.value, _referredBy); } /** * Fallback function to handle ethereum that was send straight to the contract * Unfortunately we cannot use a referral address this way. */ function() payable public { purchaseTokens(msg.value, 0x0); } /** * Converts all of caller's dividends to tokens. */ function reinvest() onlyStronghands() public { // fetch dividends uint256 _dividends = myDividends(false); // retrieve ref. bonus later in the code // pay out the dividends virtually address _customerAddress = msg.sender; payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude); // retrieve ref. bonus _dividends += referralBalance_[_customerAddress]; referralBalance_[_customerAddress] = 0; // dispatch a buy order with the virtualized "withdrawn dividends" uint256 _tokens = purchaseTokens(_dividends, 0x0); // fire event onReinvestment(_customerAddress, _dividends, _tokens); } /** * Alias of sell() and withdraw(). */ function exit() public { // get token count for caller & sell them all address _customerAddress = msg.sender; uint256 _tokens = tokenBalanceLedger_[_customerAddress]; if(_tokens > 0) sell(_tokens); // lambo delivery service withdraw(); } /** * Withdraws all of the callers earnings. */ function withdraw() onlyStronghands() public { // setup data address _customerAddress = msg.sender; uint256 _dividends = myDividends(false); // get ref. bonus later in the code // update dividend tracker payoutsTo_[_customerAddress] += (int256) (_dividends * magnitude); // add ref. bonus _dividends += referralBalance_[_customerAddress]; referralBalance_[_customerAddress] = 0; // lambo delivery service _customerAddress.transfer(_dividends); // fire event onWithdraw(_customerAddress, _dividends); } /** * Liquifies tokens to ethereum. */ function sell(uint256 _amountOfTokens) onlyBagholders() public { // setup data address _customerAddress = msg.sender; // russian hackers BTFO require(_amountOfTokens <= tokenBalanceLedger_[_customerAddress]); uint256 _tokens = _amountOfTokens; uint256 _ethereum = tokensToEthereum_(_tokens); uint256 _dividends = SafeMath.div(_ethereum, dividendFee_); uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends); // burn the sold tokens tokenSupply_ = SafeMath.sub(tokenSupply_, _tokens); tokenBalanceLedger_[_customerAddress] = SafeMath.sub(tokenBalanceLedger_[_customerAddress], _tokens); // update dividends tracker int256 _updatedPayouts = (int256) (profitPerShare_ * _tokens + (_taxedEthereum * magnitude)); payoutsTo_[_customerAddress] -= _updatedPayouts; // dividing by zero is a bad idea if (tokenSupply_ > 0) { // update the amount of dividends per token profitPerShare_ = SafeMath.add(profitPerShare_, (_dividends * magnitude) / tokenSupply_); } // fire event onTokenSell(_customerAddress, _tokens, _taxedEthereum); } /** * Transfer tokens from the caller to a new holder. * Remember, there's a 10% fee here as well. */ function transfer(address _toAddress, uint256 _amountOfTokens) onlyBagholders() public returns(bool) { // setup address _customerAddress = msg.sender; // make sure we have the requested tokens // also disables transfers until ambassador phase is over // ( we dont want whale premines ) require(!onlyAmbassadors && _amountOfTokens <= tokenBalanceLedger_[_customerAddress]); // withdraw all outstanding dividends first if(myDividends(true) > 0) withdraw(); // liquify 10% of the tokens that are transfered // these are dispersed to shareholders uint256 _tokenFee = SafeMath.div(_amountOfTokens, dividendFee_); uint256 _taxedTokens = SafeMath.sub(_amountOfTokens, _tokenFee); uint256 _dividends = tokensToEthereum_(_tokenFee); // burn the fee tokens tokenSupply_ = SafeMath.sub(tokenSupply_, _tokenFee); // exchange tokens tokenBalanceLedger_[_customerAddress] = SafeMath.sub(tokenBalanceLedger_[_customerAddress], _amountOfTokens); tokenBalanceLedger_[_toAddress] = SafeMath.add(tokenBalanceLedger_[_toAddress], _taxedTokens); // update dividend trackers payoutsTo_[_customerAddress] -= (int256) (profitPerShare_ * _amountOfTokens); payoutsTo_[_toAddress] += (int256) (profitPerShare_ * _taxedTokens); // disperse dividends among holders profitPerShare_ = SafeMath.add(profitPerShare_, (_dividends * magnitude) / tokenSupply_); // fire event Transfer(_customerAddress, _toAddress, _taxedTokens); // ERC20 return true; } /*---------- ADMINISTRATOR ONLY FUNCTIONS ----------*/ /** * In case the amassador quota is not met, the administrator can manually disable the ambassador phase. */ function disableInitialStage() onlyAdministrator() public { onlyAmbassadors = false; } /** * In case one of us dies, we need to replace ourselves. */ function setAdministrator(bytes32 _identifier, bool _status) onlyAdministrator() public { administrators[_identifier] = _status; } /** * Precautionary measures in case we need to adjust the masternode rate. */ function setStakingRequirement(uint256 _amountOfTokens) onlyAdministrator() public { stakingRequirement = _amountOfTokens; } /** * If we want to rebrand, we can. */ function setName(string _name) onlyAdministrator() public { name = _name; } /** * If we want to rebrand, we can. */ function setSymbol(string _symbol) onlyAdministrator() public { symbol = _symbol; } /*---------- HELPERS AND CALCULATORS ----------*/ /** * Method to view the current Ethereum stored in the contract * Example: totalEthereumBalance() */ function totalEthereumBalance() public view returns(uint) { return this.balance; } /** * Retrieve the total token supply. */ function totalSupply() public view returns(uint256) { return tokenSupply_; } /** * Retrieve the tokens owned by the caller. */ function myTokens() public view returns(uint256) { address _customerAddress = msg.sender; return balanceOf(_customerAddress); } /** * Retrieve the dividends owned by the caller. * If `_includeReferralBonus` is to to 1/true, the referral bonus will be included in the calculations. * The reason for this, is that in the frontend, we will want to get the total divs (global + ref) * But in the internal calculations, we want them separate. */ function myDividends(bool _includeReferralBonus) public view returns(uint256) { address _customerAddress = msg.sender; return _includeReferralBonus ? dividendsOf(_customerAddress) + referralBalance_[_customerAddress] : dividendsOf(_customerAddress) ; } /** * Retrieve the token balance of any single address. */ function balanceOf(address _customerAddress) view public returns(uint256) { return tokenBalanceLedger_[_customerAddress]; } /** * Retrieve the dividend balance of any single address. */ function dividendsOf(address _customerAddress) view public returns(uint256) { return (uint256) ((int256)(profitPerShare_ * tokenBalanceLedger_[_customerAddress]) - payoutsTo_[_customerAddress]) / magnitude; } /** * Return the buy price of 1 individual token. */ function sellPrice() public view returns(uint256) { // our calculation relies on the token supply, so we need supply. Doh. if(tokenSupply_ == 0){ return tokenPriceInitial_ - tokenPriceIncremental_; } else { uint256 _ethereum = tokensToEthereum_(1e18); uint256 _dividends = SafeMath.div(_ethereum, dividendFee_ ); uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends); return _taxedEthereum; } } /** * Return the sell price of 1 individual token. */ function buyPrice() public view returns(uint256) { // our calculation relies on the token supply, so we need supply. Doh. if(tokenSupply_ == 0){ return tokenPriceInitial_ + tokenPriceIncremental_; } else { uint256 _ethereum = tokensToEthereum_(1e18); uint256 _dividends = SafeMath.div(_ethereum, dividendFee_ ); uint256 _taxedEthereum = SafeMath.add(_ethereum, _dividends); return _taxedEthereum; } } /** * Function for the frontend to dynamically retrieve the price scaling of buy orders. */ function calculateTokensReceived(uint256 _ethereumToSpend) public view returns(uint256) { uint256 _dividends = SafeMath.div(_ethereumToSpend, dividendFee_); uint256 _taxedEthereum = SafeMath.sub(_ethereumToSpend, _dividends); uint256 _amountOfTokens = ethereumToTokens_(_taxedEthereum); return _amountOfTokens; } /** * Function for the frontend to dynamically retrieve the price scaling of sell orders. */ function calculateEthereumReceived(uint256 _tokensToSell) public view returns(uint256) { require(_tokensToSell <= tokenSupply_); uint256 _ethereum = tokensToEthereum_(_tokensToSell); uint256 _dividends = SafeMath.div(_ethereum, dividendFee_); uint256 _taxedEthereum = SafeMath.sub(_ethereum, _dividends); return _taxedEthereum; } /*========================================== = INTERNAL FUNCTIONS = ==========================================*/ function purchaseTokens(uint256 _incomingEthereum, address _referredBy) antiEarlyWhale(_incomingEthereum) internal returns(uint256) { // data setup address _customerAddress = msg.sender; uint256 _undividedDividends = SafeMath.div(_incomingEthereum, dividendFee_); uint256 _referralBonus = SafeMath.div(_undividedDividends, 3); uint256 _dividends = SafeMath.sub(_undividedDividends, _referralBonus); uint256 _taxedEthereum = SafeMath.sub(_incomingEthereum, _undividedDividends); uint256 _amountOfTokens = ethereumToTokens_(_taxedEthereum); uint256 _fee = _dividends * magnitude; // no point in continuing execution if OP is a poorfag russian hacker // prevents overflow in the case that the pyramid somehow magically starts being used by everyone in the world // (or hackers) // and yes we know that the safemath function automatically rules out the "greater then" equasion. require(_amountOfTokens > 0 && (SafeMath.add(_amountOfTokens,tokenSupply_) > tokenSupply_)); // is the user referred by a masternode? if( // is this a referred purchase? _referredBy != 0x0000000000000000000000000000000000000000 && // no cheating! _referredBy != _customerAddress && // does the referrer have at least X whole tokens? // i.e is the referrer a godly chad masternode tokenBalanceLedger_[_referredBy] >= stakingRequirement ){ // wealth redistribution referralBalance_[_referredBy] = SafeMath.add(referralBalance_[_referredBy], _referralBonus); } else { // no ref purchase // add the referral bonus back to the global dividends cake _dividends = SafeMath.add(_dividends, _referralBonus); _fee = _dividends * magnitude; } // we can't give people infinite ethereum if(tokenSupply_ > 0){ // add tokens to the pool tokenSupply_ = SafeMath.add(tokenSupply_, _amountOfTokens); // take the amount of dividends gained through this transaction, and allocates them evenly to each shareholder profitPerShare_ += (_dividends * magnitude / (tokenSupply_)); // calculate the amount of tokens the customer receives over his purchase _fee = _fee - (_fee-(_amountOfTokens * (_dividends * magnitude / (tokenSupply_)))); } else { // add tokens to the pool tokenSupply_ = _amountOfTokens; } // update circulating supply & the ledger address for the customer tokenBalanceLedger_[_customerAddress] = SafeMath.add(tokenBalanceLedger_[_customerAddress], _amountOfTokens); // Tells the contract that the buyer doesn't deserve dividends for the tokens before they owned them; //really i know you think you do but you don't int256 _updatedPayouts = (int256) ((profitPerShare_ * _amountOfTokens) - _fee); payoutsTo_[_customerAddress] += _updatedPayouts; // fire event onTokenPurchase(_customerAddress, _incomingEthereum, _amountOfTokens, _referredBy); return _amountOfTokens; } /** * Calculate Token price based on an amount of incoming ethereum * It's an algorithm, hopefully we gave you the whitepaper with it in scientific notation; * Some conversions occurred to prevent decimal errors or underflows / overflows in solidity code. */ function ethereumToTokens_(uint256 _ethereum) internal view returns(uint256) { uint256 _tokenPriceInitial = tokenPriceInitial_ * 1e18; uint256 _tokensReceived = ( ( // underflow attempts BTFO SafeMath.sub( (sqrt ( (_tokenPriceInitial**2) + (2*(tokenPriceIncremental_ * 1e18)*(_ethereum * 1e18)) + (((tokenPriceIncremental_)**2)*(tokenSupply_**2)) + (2*(tokenPriceIncremental_)*_tokenPriceInitial*tokenSupply_) ) ), _tokenPriceInitial ) )/(tokenPriceIncremental_) )-(tokenSupply_) ; return _tokensReceived; } /** * Calculate token sell value. * It's an algorithm, hopefully we gave you the whitepaper with it in scientific notation; * Some conversions occurred to prevent decimal errors or underflows / overflows in solidity code. */ function tokensToEthereum_(uint256 _tokens) internal view returns(uint256) { uint256 tokens_ = (_tokens + 1e18); uint256 _tokenSupply = (tokenSupply_ + 1e18); uint256 _etherReceived = ( // underflow attempts BTFO SafeMath.sub( ( ( ( tokenPriceInitial_ +(tokenPriceIncremental_ * (_tokenSupply/1e18)) )-tokenPriceIncremental_ )*(tokens_ - 1e18) ),(tokenPriceIncremental_*((tokens_**2-tokens_)/1e18))/2 ) /1e18); return _etherReceived; } //This is where all your gas goes, sorry //Not sorry, you probably only paid 1 gwei function sqrt(uint x) internal pure returns (uint y) { uint z = (x + 1) / 2; y = x; while (z < y) { y = z; z = (x / z + z) / 2; } } } /** * @title SafeMath * @dev Math operations with safety checks that throw on error */ library SafeMath { /** * @dev Multiplies two numbers, throws on overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0) { return 0; } uint256 c = a * b; assert(c / a == b); return c; } /** * @dev Integer division of two numbers, truncating the quotient. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { // assert(b > 0); // Solidity automatically throws when dividing by 0 uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { assert(b <= a); return a - b; } /** * @dev Adds two numbers, throws on overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; assert(c >= a); return c; } }