pragma solidity ^0.4.24;
contract F4Devents {
    // fired whenever a player registers a name
    event onNewName
    (
        uint256 indexed playerID,
        address indexed playerAddress,
        bytes32 indexed playerName,
        bool isNewPlayer,
        uint256 affiliateID,
        address affiliateAddress,
        bytes32 affiliateName,
        uint256 amountPaid,
        uint256 timeStamp
    );
    
    // fired at end of buy or reload
    event onEndTx
    (
        uint256 compressedData,     
        uint256 compressedIDs,      
        bytes32 playerName,
        address playerAddress,
        uint256 ethIn,
        uint256 keysBought,
        address winnerAddr,
        bytes32 winnerName,
        uint256 amountWon,
        uint256 newPot,
        uint256 P3DAmount,
        uint256 genAmount,
        uint256 potAmount
    );
    
	// fired whenever theres a withdraw
    event onWithdraw
    (
        uint256 indexed playerID,
        address playerAddress,
        bytes32 playerName,
        uint256 ethOut,
        uint256 timeStamp
    );
    
    // fired whenever a withdraw forces end round to be ran
    event onWithdrawAndDistribute
    (
        address playerAddress,
        bytes32 playerName,
        uint256 ethOut,
        uint256 compressedData,
        uint256 compressedIDs,
        address winnerAddr,
        bytes32 winnerName,
        uint256 amountWon,
        uint256 newPot,
        uint256 P3DAmount,
        uint256 genAmount
    );
    
    // (FoMo4D long only) fired whenever a player tries a buy after round timer 
    // hit zero, and causes end round to be ran.
    event onBuyAndDistribute
    (
        address playerAddress,
        bytes32 playerName,
        uint256 ethIn,
        uint256 compressedData,
        uint256 compressedIDs,
        address winnerAddr,
        bytes32 winnerName,
        uint256 amountWon,
        uint256 newPot,
        uint256 P3DAmount,
        uint256 genAmount
    );
    
    // (FoMo4D long only) fired whenever a player tries a reload after round timer 
    // hit zero, and causes end round to be ran.
    event onReLoadAndDistribute
    (
        address playerAddress,
        bytes32 playerName,
        uint256 compressedData,
        uint256 compressedIDs,
        address winnerAddr,
        bytes32 winnerName,
        uint256 amountWon,
        uint256 newPot,
        uint256 P3DAmount,
        uint256 genAmount
    );
    
    // fired whenever an affiliate is paid
    event onAffiliatePayout
    (
        uint256 indexed affiliateID,
        address affiliateAddress,
        bytes32 affiliateName,
        uint256 indexed roundID,
        uint256 indexed buyerID,
        uint256 amount,
        uint256 timeStamp
    );
    
    // received pot swap deposit
    event onPotSwapDeposit
    (
        uint256 roundID,
        uint256 amountAddedToPot
    );
}

contract FoMo4DSoon is F4Devents{
    using SafeMath for uint256;
    using NameFilter for string;
    using F4DKeysCalcFast for uint256;
    
    address private owner_;
	PlayerBookInterface constant private PlayerBook = PlayerBookInterface(0xeEd618C15d12C635C3C319aEe7BDED2E2879AEa0);
    string constant public name = "Fomo4D Soon";
    string constant public symbol = "F4D";
	uint256 private rndGap_ = 60 seconds;                       // length of ICO phase, set to 1 year for EOS.
    uint256 constant private rndInit_ = 5 minutes;              // round timer starts at this
    uint256 constant private rndInc_ = 5 minutes;               // every full key purchased adds this much to the timer
    uint256 constant private rndMax_ = 5 minutes;               // max length a round timer can be
    uint256 public rID_;    // round id number / total rounds that have happened
//****************
// PLAYER DATA 
//****************
    mapping (address => uint256) public pIDxAddr_;          // (addr => pID) returns player id by address
    mapping (bytes32 => uint256) public pIDxName_;          // (name => pID) returns player id by name
    mapping (uint256 => F4Ddatasets.Player) public plyr_;   // (pID => data) player data
    mapping (uint256 => mapping (uint256 => F4Ddatasets.PlayerRounds)) public plyrRnds_;    // (pID => rID => data) player round data by player id & round id
    mapping (uint256 => mapping (bytes32 => bool)) public plyrNames_; // (pID => name => bool) list of names a player owns.  (used so you can change your display name amongst any name you own)
//****************
// ROUND DATA 
//****************
    mapping (uint256 => F4Ddatasets.Round) public round_;   // (rID => data) round data
    mapping (uint256 => mapping(uint256 => uint256)) public rndTmEth_;      // (rID => tID => data) eth in per team, by round id and team id
//****************
// TEAM FEE DATA 
//****************
    mapping (uint256 => F4Ddatasets.TeamFee) public fees_;          // (team => fees) fee distribution by team
    mapping (uint256 => F4Ddatasets.PotSplit) public potSplit_;     // (team => fees) pot split distribution by team
    
    constructor()
        public
    {
        owner_ = msg.sender;
		// Team allocation structures
        // 0 = whales
        // 1 = bears
        // 2 = sneks
        // 3 = bulls

        fees_[0] = F4Ddatasets.TeamFee(24);
        fees_[1] = F4Ddatasets.TeamFee(38);
        fees_[2] = F4Ddatasets.TeamFee(50);
        fees_[3] = F4Ddatasets.TeamFee(42);
         
        potSplit_[0] = F4Ddatasets.PotSplit(12);
        potSplit_[1] = F4Ddatasets.PotSplit(19);
        potSplit_[2] = F4Ddatasets.PotSplit(26);
        potSplit_[3] = F4Ddatasets.PotSplit(30);
	}
    
    /**
     * @dev used to make sure no one can interact with contract until it has 
     * been activated. 
     */
    modifier isActivated() {
        require(activated_ == true, "its not ready yet.  check ?eta in discord"); 
        _;
    }
    
    /**
     * @dev prevents contracts from interacting with FoMo4D 
     */
    modifier isHuman() {
        address _addr = msg.sender;
        require (_addr == tx.origin);
        
        uint256 _codeLength;
        
        assembly {_codeLength := extcodesize(_addr)}
        require(_codeLength == 0, "sorry humans only");
        _;
    }

    /**
     * @dev sets boundaries for incoming tx 
     */
    modifier isWithinLimits(uint256 _eth) {
        require(_eth >= 1000000000, "pocket lint: not a valid currency");
        require(_eth <= 100000000000000000000000, "no vitalik, no");    /** NOTE THIS NEEDS TO BE CHECKED **/
		_;    
	}
    
    /**
     * @dev emergency buy uses last stored affiliate ID and team snek
     */
    function()
        isActivated()
        isHuman()
        isWithinLimits(msg.value)
        public
        payable
    {
        // set up our tx event data and determine if player is new or not
        F4Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
        
        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // buy core 
        buyCore(_pID, plyr_[_pID].laff, 2, _eventData_);
    }
    
    /**
     * @dev converts all incoming ethereum to keys.
     * -functionhash- 0x8f38f309 (using ID for affiliate)
     * -functionhash- 0x98a0871d (using address for affiliate)
     * -functionhash- 0xa65b37a1 (using name for affiliate)
     * @param _affCode the ID/address/name of the player who gets the affiliate fee
     * @param _team what team is the player playing for?
     */
    function buyXid(uint256 _affCode, uint256 _team)
        isActivated()
        isHuman()
        isWithinLimits(msg.value)
        public
        payable
    {
        // set up our tx event data and determine if player is new or not
        F4Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
        
        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // manage affiliate residuals
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == 0 || _affCode == _pID)
        {
            // use last stored affiliate code 
            _affCode = plyr_[_pID].laff;
            
        // if affiliate code was given & its not the same as previously stored 
        } else if (_affCode != plyr_[_pID].laff) {
            // update last affiliate 
            plyr_[_pID].laff = _affCode;
        }
        
        // verify a valid team was selected
        _team = verifyTeam(_team);
        
        // buy core 
        buyCore(_pID, _affCode, _team, _eventData_);
    }
    
    function buyXaddr(address _affCode, uint256 _team)
        isActivated()
        isHuman()
        isWithinLimits(msg.value)
        public
        payable
    {
        // set up our tx event data and determine if player is new or not
        F4Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
        
        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == address(0) || _affCode == msg.sender)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;
        
        // if affiliate code was given    
        } else {
            // get affiliate ID from aff Code 
            _affID = pIDxAddr_[_affCode];
            
            // if affID is not the same as previously stored 
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }
        
        // verify a valid team was selected
        _team = verifyTeam(_team);
        
        // buy core 
        buyCore(_pID, _affID, _team, _eventData_);
    }
    
    function buyXname(bytes32 _affCode, uint256 _team)
        isActivated()
        isHuman()
        isWithinLimits(msg.value)
        public
        payable
    {
        // set up our tx event data and determine if player is new or not
        F4Ddatasets.EventReturns memory _eventData_ = determinePID(_eventData_);
        
        // fetch player id
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == '' || _affCode == plyr_[_pID].name)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;
        
        // if affiliate code was given
        } else {
            // get affiliate ID from aff Code
            _affID = pIDxName_[_affCode];
            
            // if affID is not the same as previously stored
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }
        
        // verify a valid team was selected
        _team = verifyTeam(_team);
        
        // buy core 
        buyCore(_pID, _affID, _team, _eventData_);
    }
    
    /**
     * @dev essentially the same as buy, but instead of you sending ether 
     * from your wallet, it uses your unwithdrawn earnings.
     * -functionhash- 0x349cdcac (using ID for affiliate)
     * -functionhash- 0x82bfc739 (using address for affiliate)
     * -functionhash- 0x079ce327 (using name for affiliate)
     * @param _affCode the ID/address/name of the player who gets the affiliate fee
     * @param _team what team is the player playing for?
     * @param _eth amount of earnings to use (remainder returned to gen vault)
     */
    function reLoadXid(uint256 _affCode, uint256 _team, uint256 _eth)
        isActivated()
        isHuman()
        isWithinLimits(_eth)
        public
    {
        // set up our tx event data
        F4Ddatasets.EventReturns memory _eventData_;
        
        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // manage affiliate residuals
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == 0 || _affCode == _pID)
        {
            // use last stored affiliate code 
            _affCode = plyr_[_pID].laff;
            
        // if affiliate code was given & its not the same as previously stored 
        } else if (_affCode != plyr_[_pID].laff) {
            // update last affiliate 
            plyr_[_pID].laff = _affCode;
        }

        // verify a valid team was selected
        _team = verifyTeam(_team);
            
        // reload core
        reLoadCore(_pID, _affCode, _team, _eth, _eventData_);
    }
    
    function reLoadXaddr(address _affCode, uint256 _team, uint256 _eth)
        isActivated()
        isHuman()
        isWithinLimits(_eth)
        public
    {
        // set up our tx event data
        F4Ddatasets.EventReturns memory _eventData_;
        
        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == address(0) || _affCode == msg.sender)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;
        
        // if affiliate code was given    
        } else {
            // get affiliate ID from aff Code 
            _affID = pIDxAddr_[_affCode];
            
            // if affID is not the same as previously stored 
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }
        
        // verify a valid team was selected
        _team = verifyTeam(_team);
        
        // reload core
        reLoadCore(_pID, _affID, _team, _eth, _eventData_);
    }
    
    function reLoadXname(bytes32 _affCode, uint256 _team, uint256 _eth)
        isActivated()
        isHuman()
        isWithinLimits(_eth)
        public
    {
        // set up our tx event data
        F4Ddatasets.EventReturns memory _eventData_;
        
        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // manage affiliate residuals
        uint256 _affID;
        // if no affiliate code was given or player tried to use their own, lolz
        if (_affCode == '' || _affCode == plyr_[_pID].name)
        {
            // use last stored affiliate code
            _affID = plyr_[_pID].laff;
        
        // if affiliate code was given
        } else {
            // get affiliate ID from aff Code
            _affID = pIDxName_[_affCode];
            
            // if affID is not the same as previously stored
            if (_affID != plyr_[_pID].laff)
            {
                // update last affiliate
                plyr_[_pID].laff = _affID;
            }
        }
        
        // verify a valid team was selected
        _team = verifyTeam(_team);
        
        // reload core
        reLoadCore(_pID, _affID, _team, _eth, _eventData_);
    }

    /**
     * @dev withdraws all of your earnings.
     * -functionhash- 0x3ccfd60b
     */
    function withdraw()
        isActivated()
        isHuman()
        public
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // grab time
        uint256 _now = now;
        
        // fetch player ID
        uint256 _pID = pIDxAddr_[msg.sender];
        
        // setup temp var for player eth
        uint256 _eth;
        
        // check to see if round has ended and no one has run round end yet
        if (_now > round_[_rID].end && round_[_rID].ended == false)
        {
            // set up our tx event data
            F4Ddatasets.EventReturns memory _eventData_;
            
            // end the round (distributes pot)
			round_[_rID].ended = true;
            _eventData_ = endRound(_eventData_);
            
			// get their earnings
            _eth = withdrawEarnings(_pID);
            
            // gib moni
            if (_eth > 0)
                plyr_[_pID].addr.transfer(_eth);    
            
            // build event data
            _eventData_.compressedData = _eventData_.compressedData + (_now * 1000000000000000000);
            _eventData_.compressedIDs = _eventData_.compressedIDs + _pID;
            
            // fire withdraw and distribute event
            emit F4Devents.onWithdrawAndDistribute
            (
                msg.sender, 
                plyr_[_pID].name, 
                _eth, 
                _eventData_.compressedData, 
                _eventData_.compressedIDs, 
                _eventData_.winnerAddr, 
                _eventData_.winnerName, 
                _eventData_.amountWon, 
                _eventData_.newPot, 
                _eventData_.P3DAmount, 
                _eventData_.genAmount
            );
            
        // in any other situation
        } else {
            // get their earnings
            _eth = withdrawEarnings(_pID);
            
            // gib moni
            if (_eth > 0)
                plyr_[_pID].addr.transfer(_eth);
            
            // fire withdraw event
            emit F4Devents.onWithdraw(_pID, msg.sender, plyr_[_pID].name, _eth, _now);
        }
    }
    
    /**
     * @dev use these to register names.  they are just wrappers that will send the
     * registration requests to the PlayerBook contract.  So registering here is the 
     * same as registering there.  UI will always display the last name you registered.
     * but you will still own all previously registered names to use as affiliate 
     * links.
     * - must pay a registration fee.
     * - name must be unique
     * - names will be converted to lowercase
     * - name cannot start or end with a space 
     * - cannot have more than 1 space in a row
     * - cannot be only numbers
     * - cannot start with 0x 
     * - name must be at least 1 char
     * - max length of 32 characters long
     * - allowed characters: a-z, 0-9, and space
     * -functionhash- 0x921dec21 (using ID for affiliate)
     * -functionhash- 0x3ddd4698 (using address for affiliate)
     * -functionhash- 0x685ffd83 (using name for affiliate)
     * @param _nameString players desired name
     * @param _affCode affiliate ID, address, or name of who referred you
     * @param _all set to true if you want this to push your info to all games 
     * (this might cost a lot of gas)
     */
    function registerNameXID(string _nameString, uint256 _affCode, bool _all)
        isHuman()
        public
        payable
    {
        bytes32 _name = _nameString.nameFilter();
        address _addr = msg.sender;
        uint256 _paid = msg.value;
        (bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXIDFromDapp.value(_paid)(_addr, _name, _affCode, _all);
        
        uint256 _pID = pIDxAddr_[_addr];
        
        // fire event
        emit F4Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
    }
    
    function registerNameXaddr(string _nameString, address _affCode, bool _all)
        isHuman()
        public
        payable
    {
        bytes32 _name = _nameString.nameFilter();
        address _addr = msg.sender;
        uint256 _paid = msg.value;
        (bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXaddrFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
        
        uint256 _pID = pIDxAddr_[_addr];
        
        // fire event
        emit F4Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
    }
    
    function registerNameXname(string _nameString, bytes32 _affCode, bool _all)
        isHuman()
        public
        payable
    {
        bytes32 _name = _nameString.nameFilter();
        address _addr = msg.sender;
        uint256 _paid = msg.value;
        (bool _isNewPlayer, uint256 _affID) = PlayerBook.registerNameXnameFromDapp.value(msg.value)(msg.sender, _name, _affCode, _all);
        
        uint256 _pID = pIDxAddr_[_addr];
        
        // fire event
        emit F4Devents.onNewName(_pID, _addr, _name, _isNewPlayer, _affID, plyr_[_affID].addr, plyr_[_affID].name, _paid, now);
    }
    
    /**
     * @dev return the price buyer will pay for next 1 individual key.
     * - during live round.  this is accurate. (well... unless someone buys before 
     * you do and ups the price!  you better HURRY!)
     * - during ICO phase.  this is the max you would get based on current eth 
     * invested during ICO phase.  if others invest after you, you will receive
     * less.  (so distract them with meme vids till ICO is over)
     * -functionhash- 0x018a25e8
     * @return price for next key bought (in wei format)
     */
    function getBuyPrice()
        public 
        view 
        returns(uint256)
    {  
        // setup local rID
        uint256 _rID = rID_;
            
        // grab time
        uint256 _now = now;
        
        // is ICO phase over??  & theres eth in the round?
        if (_now > round_[_rID].strt + rndGap_ && round_[_rID].eth != 0 && _now <= round_[_rID].end)
            return ( (round_[_rID].keys.add(1000000000000000000)).ethRec(1000000000000000000) );
        else if (_now <= round_[_rID].end) // round hasn't ended (in ICO phase, or ICO phase is over, but round eth is 0)
            return ( ((round_[_rID].ico.keys()).add(1000000000000000000)).ethRec(1000000000000000000) );
        else // rounds over.  need price for new round
            return ( 100000000000000 ); // init
    }
    
    /**
     * @dev returns time left.  dont spam this, you'll ddos yourself from your node 
     * provider
     * -functionhash- 0xc7e284b8
     * @return time left in seconds
     */
    function getTimeLeft()
        public
        view
        returns(uint256)
    {
        // setup local rID 
        uint256 _rID = rID_;
        
        // grab time
        uint256 _now = now;
        
        // are we in ICO phase?
        if (_now <= round_[_rID].strt + rndGap_)
            return( ((round_[_rID].end).sub(rndInit_)).sub(_now) );
        else 
            if (_now < round_[_rID].end)
                return( (round_[_rID].end).sub(_now) );
            else
                return(0);
    }
    
    /**
     * @dev returns player earnings per vaults 
     * -functionhash- 0x63066434
     * @return winnings vault
     * @return general vault
     * @return affiliate vault
     */
    function getPlayerVaults(uint256 _pID)
        public
        view
        returns(uint256 ,uint256, uint256)
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // if round has ended.  but round end has not been run (so contract has not distributed winnings)
        if (now > round_[_rID].end && round_[_rID].ended == false)
        {
            uint256 _roundMask;
            uint256 _roundEth;
            uint256 _roundKeys;
            uint256 _roundPot;
            if (round_[_rID].eth == 0 && round_[_rID].ico > 0)
            {
                // create a temp round eth based on eth sent in during ICO phase
                _roundEth = round_[_rID].ico;
                
                // create a temp round keys based on keys bought during ICO phase
                _roundKeys = (round_[_rID].ico).keys();
                
                // create a temp round mask based on eth and keys from ICO phase
                _roundMask = ((round_[_rID].icoGen).mul(1000000000000000000)) / _roundKeys;
                
                // create a temp rount pot based on pot, and dust from mask
                _roundPot = (round_[_rID].pot).add((round_[_rID].icoGen).sub((_roundMask.mul(_roundKeys)) / (1000000000000000000)));
            } else {
                _roundEth = round_[_rID].eth;
                _roundKeys = round_[_rID].keys;
                _roundMask = round_[_rID].mask;
                _roundPot = round_[_rID].pot;
            }
            
            uint256 _playerKeys;
            if (plyrRnds_[_pID][plyr_[_pID].lrnd].ico == 0)
                _playerKeys = plyrRnds_[_pID][plyr_[_pID].lrnd].keys;
            else
                _playerKeys = calcPlayerICOPhaseKeys(_pID, _rID);
            
            // if player is winner 
            if (round_[_rID].plyr == _pID)
            {
                return
                (
                    (plyr_[_pID].win).add( (_roundPot.mul(48)) / 100 ),
                    (plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _roundMask, _roundPot, _roundKeys, _playerKeys) ),
                    plyr_[_pID].aff
                );
            // if player is not the winner
            } else {
                return
                (
                    plyr_[_pID].win,   
                    (plyr_[_pID].gen).add( getPlayerVaultsHelper(_pID, _roundMask, _roundPot, _roundKeys, _playerKeys) ),
                    plyr_[_pID].aff
                );
            }
            
        // if round is still going on, we are in ico phase, or round has ended and round end has been ran
        } else {
            return
            (
                plyr_[_pID].win,
                (plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),
                plyr_[_pID].aff
            );
        }
    }
    
    /**
     * solidity hates stack limits.  this lets us avoid that hate 
     */
    function getPlayerVaultsHelper(uint256 _pID, uint256 _roundMask, uint256 _roundPot, uint256 _roundKeys, uint256 _playerKeys)
        private
        view
        returns(uint256)
    {
        return(  (((_roundMask.add((((_roundPot.mul(potSplit_[round_[rID_].team].gen)) / 100).mul(1000000000000000000)) / _roundKeys)).mul(_playerKeys)) / 1000000000000000000).sub(plyrRnds_[_pID][rID_].mask)  );
    }
    
    /**
     * @dev returns all current round info needed for front end
     * -functionhash- 0x747dff42
     * @return eth invested during ICO phase
     * @return round id 
     * @return total keys for round 
     * @return time round ends
     * @return time round started
     * @return current pot 
     * @return current team ID & player ID in lead 
     * @return current player in leads address 
     * @return current player in leads name
     * @return whales eth in for round
     * @return bears eth in for round
     * @return sneks eth in for round
     * @return bulls eth in for round
     */
    function getCurrentRoundInfo()
        public
        view
        returns(uint256, uint256, uint256, uint256, uint256, uint256, uint256, address, bytes32, uint256, uint256, uint256, uint256)
    {
        // setup local rID
        uint256 _rID = rID_;
        
        if (round_[_rID].eth != 0)
        {
            return
            (
                round_[_rID].ico,               //0
                _rID,                           //1
                round_[_rID].keys,              //2
                round_[_rID].end,               //3
                round_[_rID].strt,              //4
                round_[_rID].pot,               //5
                (round_[_rID].team + (round_[_rID].plyr * 10)),     //6
                plyr_[round_[_rID].plyr].addr,  //7
                plyr_[round_[_rID].plyr].name,  //8
                rndTmEth_[_rID][0],             //9
                rndTmEth_[_rID][1],             //10
                rndTmEth_[_rID][2],             //11
                rndTmEth_[_rID][3]              //12
            );
        } else {
            return
            (
                round_[_rID].ico,               //0
                _rID,                           //1
                (round_[_rID].ico).keys(),      //2
                round_[_rID].end,               //3
                round_[_rID].strt,              //4
                round_[_rID].pot,               //5
                (round_[_rID].team + (round_[_rID].plyr * 10)),     //6
                plyr_[round_[_rID].plyr].addr,  //7
                plyr_[round_[_rID].plyr].name,  //8
                rndTmEth_[_rID][0],             //9
                rndTmEth_[_rID][1],             //10
                rndTmEth_[_rID][2],             //11
                rndTmEth_[_rID][3]              //12
            );
        }
    }

    /**
     * @dev returns player info based on address.  if no address is given, it will 
     * use msg.sender 
     * -functionhash- 0xee0b5d8b
     * @param _addr address of the player you want to lookup 
     * @return player ID 
     * @return player name
     * @return keys owned (current round)
     * @return winnings vault
     * @return general vault 
     * @return affiliate vault 
	 * @return player ico eth
     */
    function getPlayerInfoByAddress(address _addr)
        public 
        view 
        returns(uint256, bytes32, uint256, uint256, uint256, uint256, uint256)
    {
        // setup local rID
        uint256 _rID = rID_;
        
        if (_addr == address(0))
        {
            _addr == msg.sender;
        }
        uint256 _pID = pIDxAddr_[_addr];
        
        if (plyrRnds_[_pID][_rID].ico == 0)
        {
            return
            (
                _pID,                               //0
                plyr_[_pID].name,                   //1
                plyrRnds_[_pID][_rID].keys,         //2
                plyr_[_pID].win,                    //3
                (plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),       //4
                plyr_[_pID].aff,                    //5
				0						            //6
            );
        } else {
            return
            (
                _pID,                               //0
                plyr_[_pID].name,                   //1
                calcPlayerICOPhaseKeys(_pID, _rID), //2
                plyr_[_pID].win,                    //3
                (plyr_[_pID].gen).add(calcUnMaskedEarnings(_pID, plyr_[_pID].lrnd)),       //4
                plyr_[_pID].aff,                    //5
				plyrRnds_[_pID][_rID].ico           //6
            );
        }
        
    }


    /**
     * @dev logic runs whenever a buy order is executed.  determines how to handle 
     * incoming eth depending on if we are in ICO phase or not 
     */
    function buyCore(uint256 _pID, uint256 _affID, uint256 _team, F4Ddatasets.EventReturns memory _eventData_)
        private
    {
        // check to see if round has ended.  and if player is new to round
        _eventData_ = manageRoundAndPlayer(_pID, _eventData_);
        
        // are we in ICO phase?
        if (now <= round_[rID_].strt + rndGap_) 
        {
            // let event data know this is a ICO phase buy order
            _eventData_.compressedData = _eventData_.compressedData + 2000000000000000000000000000000;
        
            // ICO phase core
            icoPhaseCore(_pID, msg.value, _team, _affID, _eventData_);
        
        
        // round is live
        } else {
             // let event data know this is a buy order
            _eventData_.compressedData = _eventData_.compressedData + 1000000000000000000000000000000;
        
            // call core
            core(_pID, msg.value, _affID, _team, _eventData_);
        }
    }

    /**
     * @dev logic runs whenever a reload order is executed.  determines how to handle 
     * incoming eth depending on if we are in ICO phase or not 
     */
    function reLoadCore(uint256 _pID, uint256 _affID, uint256 _team, uint256 _eth, F4Ddatasets.EventReturns memory _eventData_)
        private 
    {
        // check to see if round has ended.  and if player is new to round
        _eventData_ = manageRoundAndPlayer(_pID, _eventData_);
        
        // get earnings from all vaults and return unused to gen vault
        // because we use a custom safemath library.  this will throw if player 
        // tried to spend more eth than they have.
        plyr_[_pID].gen = withdrawEarnings(_pID).sub(_eth);
                
        // are we in ICO phase?
        if (now <= round_[rID_].strt + rndGap_) 
        {
            // let event data know this is an ICO phase reload 
            _eventData_.compressedData = _eventData_.compressedData + 3000000000000000000000000000000;
                
            // ICO phase core
            icoPhaseCore(_pID, _eth, _team, _affID, _eventData_);


        // round is live
        } else {
            // call core
            core(_pID, _eth, _affID, _team, _eventData_);
        }
    }    
    
    /**
     * @dev during ICO phase all eth sent in by each player.  will be added to an 
     * "investment pool".  upon end of ICO phase, all eth will be used to buy keys.
     * each player receives an amount based on how much they put in, and the 
     * the average price attained.
     */
    function icoPhaseCore(uint256 _pID, uint256 _eth, uint256 _team, uint256 _affID, F4Ddatasets.EventReturns memory _eventData_)
        private
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // if they bought at least 1 whole key (at time of purchase)
        if ((round_[_rID].ico).keysRec(_eth) >= 1000000000000000000 || round_[_rID].plyr == 0)
        {
            // set new leaders
            if (round_[_rID].plyr != _pID)
                round_[_rID].plyr = _pID;  
            if (round_[_rID].team != _team)
                round_[_rID].team = _team;
            
            // set the new leader bool to true
            _eventData_.compressedData = _eventData_.compressedData + 100;
        }
        
        // add eth to our players & rounds ICO phase investment. this will be used 
        // to determine total keys and each players share 
        plyrRnds_[_pID][_rID].ico = _eth.add(plyrRnds_[_pID][_rID].ico);
        round_[_rID].ico = _eth.add(round_[_rID].ico);
        
        // add eth in to team eth tracker
        rndTmEth_[_rID][_team] = _eth.add(rndTmEth_[_rID][_team]);
        
        // send eth share to com, p3d, affiliate, and FoMo4D long
        _eventData_ = distributeExternal(_eth, _eventData_);

        // calculate gen share 
        uint256 _gen = (_eth.mul(fees_[_team].gen)) / 100;
        
        uint256 _aff = _eth / 10;
        if (_affID != _pID && plyr_[_affID].name != '') {
            plyr_[_affID].aff = _aff.add(plyr_[_affID].aff);
            emit F4Devents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _rID, _pID, _aff, now);
        } else {
            _gen = _gen.add(_aff);
            _aff = 0;
        }

        // add gen share to rounds ICO phase gen tracker (will be distributed 
        // when round starts)
        round_[_rID].icoGen = _gen.add(round_[_rID].icoGen);
        
        uint256 _pot = (_eth.sub(((_eth.mul(14)) / 100))).sub(_gen).sub(_aff);
        
        // add eth to pot
        round_[_rID].pot = _pot.add(round_[_rID].pot);
        
        // set up event data
        _eventData_.genAmount = _gen.add(_eventData_.genAmount);
        _eventData_.potAmount = _pot;
        
        // fire event
        endTx(_rID, _pID, _team, _eth, 0, _eventData_);
    }
    
    /**
     * @dev this is the core logic for any buy/reload that happens while a round 
     * is live.
     */
    function core(uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, F4Ddatasets.EventReturns memory _eventData_)
        private
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // check to see if its a new round (past ICO phase) && keys were bought in ICO phase
        if (round_[_rID].eth == 0 && round_[_rID].ico > 0)
            roundClaimICOKeys(_rID);
        
        // if player is new to round and is owed keys from ICO phase 
        if (plyrRnds_[_pID][_rID].keys == 0 && plyrRnds_[_pID][_rID].ico > 0)
        {
            // assign player their keys from ICO phase
            plyrRnds_[_pID][_rID].keys = calcPlayerICOPhaseKeys(_pID, _rID);
            // zero out ICO phase investment
            plyrRnds_[_pID][_rID].ico = 0;
        }
            
        // mint the new keys
        uint256 _keys = (round_[_rID].eth).keysRec(_eth);
        
        // if they bought at least 1 whole key
        if (_keys >= 1000000000000000000)
        {
            updateTimer(_keys, _rID);

            // set new leaders
            if (round_[_rID].plyr != _pID)
                round_[_rID].plyr = _pID;  
            if (round_[_rID].team != _team)
                round_[_rID].team = _team; 
            
            // set the new leader bool to true
            _eventData_.compressedData = _eventData_.compressedData + 100;
        }
        
        
        // update player 
        plyrRnds_[_pID][_rID].keys = _keys.add(plyrRnds_[_pID][_rID].keys);
        
        // update round
        round_[_rID].keys = _keys.add(round_[_rID].keys);
        round_[_rID].eth = _eth.add(round_[_rID].eth);
        rndTmEth_[_rID][_team] = _eth.add(rndTmEth_[_rID][_team]);

        // distribute eth
        _eventData_ = distributeExternal(_eth, _eventData_);
        _eventData_ = distributeInternal(_rID, _pID, _eth, _affID, _team, _keys, _eventData_);
        
        // call end tx function to fire end tx event.
        endTx(_rID, _pID, _team, _eth, _keys, _eventData_);
    }
    
    /**
     * @dev calculates unmasked earnings (just calculates, does not update mask)
     * @return earnings in wei format
     */
    function calcUnMaskedEarnings(uint256 _pID, uint256 _rIDlast)
        private
        view
        returns(uint256)
    {
        // if player does not have unclaimed keys bought in ICO phase
        // return their earnings based on keys held only.
        if (plyrRnds_[_pID][_rIDlast].ico == 0)
            return(  (((round_[_rIDlast].mask).mul(plyrRnds_[_pID][_rIDlast].keys)) / (1000000000000000000)).sub(plyrRnds_[_pID][_rIDlast].mask)  );
        else
            if (now > round_[_rIDlast].strt + rndGap_ && round_[_rIDlast].eth == 0)
                return(
                      (
                          (
                              (
                                  (
                                      (round_[_rIDlast].icoGen).mul(1000000000000000000)
                                    ) / (round_[_rIDlast].ico).keys()
                              ).mul(calcPlayerICOPhaseKeys(_pID, _rIDlast))
                          ) / (1000000000000000000)
                        ).sub(plyrRnds_[_pID][_rIDlast].mask)  
                      );
            else
                return(  
                        (
                            (
                                (round_[_rIDlast].mask).mul(calcPlayerICOPhaseKeys(_pID, _rIDlast))
                            ) / (1000000000000000000)
                        ).sub(plyrRnds_[_pID][_rIDlast].mask)  
                    );
        // otherwise return earnings based on keys owed from ICO phase
        // (this would be a scenario where they only buy during ICO phase, and never 
        // buy/reload during round)
    }
    
    /**
     * @dev average ico phase key price is total eth put in, during ICO phase, 
     * divided by the number of keys that were bought with that eth.
     * -functionhash- 0xdcb6af48
     * @return average key price 
     */
    function calcAverageICOPhaseKeyPrice(uint256 _rID)
        public 
        view 
        returns(uint256)
    {
        return(  (round_[_rID].ico).mul(1000000000000000000) / (round_[_rID].ico).keys()  );
    }
    
    /**
     * @dev at end of ICO phase, each player is entitled to X keys based on final 
     * average ICO phase key price, and the amount of eth they put in during ICO.
     * if a player participates in the round post ICO, these will be "claimed" and 
     * added to their rounds total keys.  if not, this will be used to calculate 
     * their gen earnings throughout round and on round end.
     * -functionhash- 0x75661f4c
     * @return players keys bought during ICO phase 
     */
    function calcPlayerICOPhaseKeys(uint256 _pID, uint256 _rID)
        public 
        view
        returns(uint256)
    {
        if (round_[_rID].icoAvg != 0 || round_[_rID].ico == 0 )
            return(  ((plyrRnds_[_pID][_rID].ico).mul(1000000000000000000)) / round_[_rID].icoAvg  );
        else
            return(  ((plyrRnds_[_pID][_rID].ico).mul(1000000000000000000)) / calcAverageICOPhaseKeyPrice(_rID)  );
    }
    
    /** 
     * @dev returns the amount of keys you would get given an amount of eth. 
     * - during live round.  this is accurate. (well... unless someone buys before 
     * you do and ups the price!  you better HURRY!)
     * - during ICO phase.  this is the max you would get based on current eth 
     * invested during ICO phase.  if others invest after you, you will receive
     * less.  (so distract them with meme vids till ICO is over)
     * -functionhash- 0xce89c80c
     * @param _rID round ID you want price for
     * @param _eth amount of eth sent in 
     * @return keys received 
     */
    function calcKeysReceived(uint256 _rID, uint256 _eth)
        public
        view
        returns(uint256)
    {
        // grab time
        uint256 _now = now;
        
        // is ICO phase over??  & theres eth in the round?
        if (_now > round_[_rID].strt + rndGap_ && round_[_rID].eth != 0 && _now <= round_[_rID].end)
            return ( (round_[_rID].eth).keysRec(_eth) );
        else if (_now <= round_[_rID].end) // round hasn't ended (in ICO phase, or ICO phase is over, but round eth is 0)
            return ( (round_[_rID].ico).keysRec(_eth) );
        else // rounds over.  need keys for new round
            return ( (_eth).keys() );
    }
    
    /** 
     * @dev returns current eth price for X keys.  
     * - during live round.  this is accurate. (well... unless someone buys before 
     * you do and ups the price!  you better HURRY!)
     * - during ICO phase.  this is the max you would get based on current eth 
     * invested during ICO phase.  if others invest after you, you will receive
     * less.  (so distract them with meme vids till ICO is over)
     * -functionhash- 0xcf808000
     * @param _keys number of keys desired (in 18 decimal format)
     * @return amount of eth needed to send
     */
    function iWantXKeys(uint256 _keys)
        public
        view
        returns(uint256)
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // grab time
        uint256 _now = now;
        
        // is ICO phase over??  & theres eth in the round?
        if (_now > round_[_rID].strt + rndGap_ && round_[_rID].eth != 0 && _now <= round_[_rID].end)
            return ( (round_[_rID].keys.add(_keys)).ethRec(_keys) );
        else if (_now <= round_[_rID].end) // round hasn't ended (in ICO phase, or ICO phase is over, but round eth is 0)
            return ( (((round_[_rID].ico).keys()).add(_keys)).ethRec(_keys) );
        else // rounds over.  need price for new round
            return ( (_keys).eth() );
    }
    
    /**
	 * @dev receives name/player info from names contract 
     */
    function receivePlayerInfo(uint256 _pID, address _addr, bytes32 _name, uint256 _laff)
        external
    {
        require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
        if (pIDxAddr_[_addr] != _pID)
            pIDxAddr_[_addr] = _pID;
        if (pIDxName_[_name] != _pID)
            pIDxName_[_name] = _pID;
        if (plyr_[_pID].addr != _addr)
            plyr_[_pID].addr = _addr;
        if (plyr_[_pID].name != _name)
            plyr_[_pID].name = _name;
        if (plyr_[_pID].laff != _laff)
            plyr_[_pID].laff = _laff;
        if (plyrNames_[_pID][_name] == false)
            plyrNames_[_pID][_name] = true;
    }

    /**
     * @dev receives entire player name list 
     */
    function receivePlayerNameList(uint256 _pID, bytes32 _name)
        external
    {
        require (msg.sender == address(PlayerBook), "your not playerNames contract... hmmm..");
        if(plyrNames_[_pID][_name] == false)
            plyrNames_[_pID][_name] = true;
    }  
        
    /**
     * @dev gets existing or registers new pID.  use this when a player may be new
     * @return pID 
     */
    function determinePID(F4Ddatasets.EventReturns memory _eventData_)
        private
        returns (F4Ddatasets.EventReturns)
    {
        uint256 _pID = pIDxAddr_[msg.sender];
        // if player is new to this version of FoMo4D
        if (_pID == 0)
        {
            // grab their player ID, name and last aff ID, from player names contract 
            _pID = PlayerBook.getPlayerID(msg.sender);
            bytes32 _name = PlayerBook.getPlayerName(_pID);
            uint256 _laff = PlayerBook.getPlayerLAff(_pID);
            
            // set up player account 
            pIDxAddr_[msg.sender] = _pID;
            plyr_[_pID].addr = msg.sender;
            
            if (_name != "")
            {
                pIDxName_[_name] = _pID;
                plyr_[_pID].name = _name;
                plyrNames_[_pID][_name] = true;
            }
            
            if (_laff != 0 && _laff != _pID)
                plyr_[_pID].laff = _laff;
            
            // set the new player bool to true
            _eventData_.compressedData = _eventData_.compressedData + 1;
        } 
        return (_eventData_);
    }
    
    /**
     * @dev checks to make sure user picked a valid team.  if not sets team 
     * to default (sneks)
     */
    function verifyTeam(uint256 _team)
        private
        pure
        returns (uint256)
    {
        if (_team < 0 || _team > 3)
            return(2);
        else
            return(_team);
    }
    
    /**
     * @dev decides if round end needs to be run & new round started.  and if 
     * player unmasked earnings from previously played rounds need to be moved.
     */
    function manageRoundAndPlayer(uint256 _pID, F4Ddatasets.EventReturns memory _eventData_)
        private
        returns (F4Ddatasets.EventReturns)
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // grab time
        uint256 _now = now;
        
        // check to see if round has ended.  we use > instead of >= so that LAST
        // second snipe tx can extend the round.
        if (_now > round_[_rID].end)
        {
            // check to see if round end has been run yet.  (distributes pot)
            if (round_[_rID].ended == false)
            {
                _eventData_ = endRound(_eventData_);
                round_[_rID].ended = true;
            }
            
            // start next round in ICO phase
            rID_++;
            _rID++;
            round_[_rID].strt = _now;
            round_[_rID].end = _now.add(rndInit_).add(rndGap_);
        }
        
        // is player new to round?
        if (plyr_[_pID].lrnd != _rID)
        {
            // if player has played a previous round, move their unmasked earnings
            // from that round to gen vault.
            if (plyr_[_pID].lrnd != 0)
                updateGenVault(_pID, plyr_[_pID].lrnd);
            
            // update player's last round played
            plyr_[_pID].lrnd = _rID;
            
            // set the joined round bool to true
            _eventData_.compressedData = _eventData_.compressedData + 10;
        }
        
        return(_eventData_);
    }
    
    /**
     * @dev ends the round. manages paying out winner/splitting up pot
     */
    function endRound(F4Ddatasets.EventReturns memory _eventData_)
        private
        returns (F4Ddatasets.EventReturns)
    {
        // setup local rID
        uint256 _rID = rID_;
        
        // check to round ended with ONLY ico phase transactions
        if (round_[_rID].eth == 0 && round_[_rID].ico > 0)
            roundClaimICOKeys(_rID);
        
        // grab our winning player and team id's
        uint256 _winPID = round_[_rID].plyr;
        uint256 _winTID = round_[_rID].team;
        
        // grab our pot amount
        uint256 _pot = round_[_rID].pot;
        
        // calculate our winner share, community rewards, gen share, 
        // p3d share, and amount reserved for next pot 
        uint256 _win = (_pot.mul(48)) / 100;
        uint256 _own = (_pot.mul(14) / 100);
        owner_.transfer(_own);
        uint256 _gen = (_pot.mul(potSplit_[_winTID].gen)) / 100;
        uint256 _res = (((_pot.sub(_win)).sub(_own)).sub(_gen));
        
        // calculate ppt for round mask
        uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
        uint256 _dust = _gen.sub((_ppt.mul(round_[_rID].keys)) / 1000000000000000000);
        if (_dust > 0)
        {
            _gen = _gen.sub(_dust);
            _res = _res.add(_dust);
        }
        
        // pay our winner
        plyr_[_winPID].win = _win.add(plyr_[_winPID].win);

            
        // distribute gen portion to key holders
        round_[_rID].mask = _ppt.add(round_[_rID].mask);
                    
        // fill next round pot with its share
        round_[_rID + 1].pot += _res;
        
        // prepare event data
        _eventData_.compressedData = _eventData_.compressedData + (round_[_rID].end * 1000000);
        _eventData_.compressedIDs = _eventData_.compressedIDs + (_winPID * 100000000000000000000000000) + (_winTID * 100000000000000000);
        _eventData_.winnerAddr = plyr_[_winPID].addr;
        _eventData_.winnerName = plyr_[_winPID].name;
        _eventData_.amountWon = _win;
        _eventData_.genAmount = _gen;
        _eventData_.newPot = _res;
        
        return(_eventData_);
    }
    
    /**
     * @dev takes keys bought during ICO phase, and adds them to round.  pays 
     * out gen rewards that accumulated during ICO phase 
     */
    function roundClaimICOKeys(uint256 _rID)
        private
    {
        // update round eth to account for ICO phase eth investment 
        round_[_rID].eth = round_[_rID].ico;
                
        // add keys to round that were bought during ICO phase
        round_[_rID].keys = (round_[_rID].ico).keys();
        
        // store average ICO key price 
        round_[_rID].icoAvg = calcAverageICOPhaseKeyPrice(_rID);
                
        // set round mask from ICO phase
        uint256 _ppt = ((round_[_rID].icoGen).mul(1000000000000000000)) / (round_[_rID].keys);
        uint256 _dust = (round_[_rID].icoGen).sub((_ppt.mul(round_[_rID].keys)) / (1000000000000000000));
        if (_dust > 0)
            round_[_rID].pot = (_dust).add(round_[_rID].pot);   // <<< your adding to pot and havent updated event data
                
        // distribute gen portion to key holders
        round_[_rID].mask = _ppt.add(round_[_rID].mask);
    }
    
    /**
     * @dev moves any unmasked earnings to gen vault.  updates earnings mask
     */
    function updateGenVault(uint256 _pID, uint256 _rIDlast)
        private 
    {
        uint256 _earnings = calcUnMaskedEarnings(_pID, _rIDlast);
        if (_earnings > 0)
        {
            // put in gen vault
            plyr_[_pID].gen = _earnings.add(plyr_[_pID].gen);
            // zero out their earnings by updating mask
            plyrRnds_[_pID][_rIDlast].mask = _earnings.add(plyrRnds_[_pID][_rIDlast].mask);
        }
    }
    
    /**
     * @dev updates round timer based on number of whole keys bought.
     */
    function updateTimer(uint256 _keys, uint256 _rID)
        private
    {
        // calculate time based on number of keys bought
        uint256 _newTime = (((_keys) / (1000000000000000000)).mul(rndInc_)).add(round_[_rID].end);
        
        // grab time
        uint256 _now = now;
        
        // compare to max and set new end time
        if (_newTime < (rndMax_).add(_now))
            round_[_rID].end = _newTime;
        else
            round_[_rID].end = rndMax_.add(_now);
    }

    /**
     * @dev distributes eth based on fees to com, aff, and p3d
     */
    function distributeExternal(uint256 _eth, F4Ddatasets.EventReturns memory _eventData_)
        private
        returns(F4Ddatasets.EventReturns)
    {
        // pay 14% out to owner rewards
        uint256 _own = _eth.mul(14) / 100;
        owner_.transfer(_own);
        
        return(_eventData_);
    }
    
    function potSwap()
        external
        payable
    {
        // setup local rID
        uint256 _rID = rID_ + 1;
        
        round_[_rID].pot = round_[_rID].pot.add(msg.value);
        emit F4Devents.onPotSwapDeposit(_rID, msg.value);
    }
    
    /**
     * @dev distributes eth based on fees to gen and pot
     */
    function distributeInternal(uint256 _rID, uint256 _pID, uint256 _eth, uint256 _affID, uint256 _team, uint256 _keys, F4Ddatasets.EventReturns memory _eventData_)
        private
        returns(F4Ddatasets.EventReturns)
    {
        // calculate gen share
        uint256 _gen = (_eth.mul(fees_[_team].gen)) / 100;
        
        // distribute share to affiliate 10%
        uint256 _aff = _eth / 10;
                
        // decide what to do with affiliate share of fees
        // affiliate must not be self, and must have a name registered
        if (_affID != _pID && plyr_[_affID].name != '') {
            plyr_[_affID].aff = _aff.add(plyr_[_affID].aff);
            emit F4Devents.onAffiliatePayout(_affID, plyr_[_affID].addr, plyr_[_affID].name, _rID, _pID, _aff, now);
        } else {
            _gen = _gen.add(_aff);
            _aff = 0;
        }
        
        // update eth balance (eth = eth - (com share + pot swap share + aff share + p3d share))
        _eth = _eth.sub(((_eth.mul(14)) / 100));
        
        // calculate pot 
        uint256 _pot = _eth.sub(_gen).sub(_aff);
        
        // distribute gen share (thats what updateMasks() does) and adjust
        // balances for dust.
        uint256 _dust = updateMasks(_rID, _pID, _gen, _keys);
        if (_dust > 0)
            _gen = _gen.sub(_dust);
        
        // add eth to pot
        round_[_rID].pot = _pot.add(_dust).add(round_[_rID].pot);
        
        // set up event data
        _eventData_.genAmount = _gen.add(_eventData_.genAmount);
        _eventData_.potAmount = _pot;
        
        return(_eventData_);
    }

    /**
     * @dev updates masks for round and player when keys are bought
     * @return dust left over 
     */
    function updateMasks(uint256 _rID, uint256 _pID, uint256 _gen, uint256 _keys)
        private
        returns(uint256)
    {
        /* MASKING NOTES
            earnings masks are a tricky thing for people to wrap their minds around.
            the basic thing to understand here.  is were going to have a global
            tracker based on profit per share for each round, that increases in
            relevant proportion to the increase in share supply.
            
            the player will have an additional mask that basically says "based
            on the rounds mask, my shares, and how much i've already withdrawn,
            how much is still owed to me?"
        */
        
        // calc profit per key & round mask based on this buy:  (dust goes to pot)
        uint256 _ppt = (_gen.mul(1000000000000000000)) / (round_[_rID].keys);
        round_[_rID].mask = _ppt.add(round_[_rID].mask);
            
        // calculate player earning from their own buy (only based on the keys
        // they just bought).  & update player earnings mask
        uint256 _pearn = (_ppt.mul(_keys)) / (1000000000000000000);
        plyrRnds_[_pID][_rID].mask = (((round_[_rID].mask.mul(_keys)) / (1000000000000000000)).sub(_pearn)).add(plyrRnds_[_pID][_rID].mask);
        
        // calculate & return dust
        return(_gen.sub((_ppt.mul(round_[_rID].keys)) / (1000000000000000000)));
    }
    
    /**
     * @dev adds up unmasked earnings, & vault earnings, sets them all to 0
     * @return earnings in wei format
     */
    function withdrawEarnings(uint256 _pID)
        private
        returns(uint256)
    {
        // update gen vault
        updateGenVault(_pID, plyr_[_pID].lrnd);
        
        // from vaults 
        uint256 _earnings = (plyr_[_pID].win).add(plyr_[_pID].gen).add(plyr_[_pID].aff);
        if (_earnings > 0)
        {
            plyr_[_pID].win = 0;
            plyr_[_pID].gen = 0;
            plyr_[_pID].aff = 0;
        }

        return(_earnings);
    }
    
    /**
     * @dev prepares compression data and fires event for buy or reload tx's
     */
    function endTx(uint256 _rID, uint256 _pID, uint256 _team, uint256 _eth, uint256 _keys, F4Ddatasets.EventReturns memory _eventData_)
        private
    {
        _eventData_.compressedData = _eventData_.compressedData + (now * 1000000000000000000) + (_team * 100000000000000000000000000000);
        _eventData_.compressedIDs = _eventData_.compressedIDs + _pID + (_rID * 10000000000000000000000000000000000000000000000000000);
        
        emit F4Devents.onEndTx
        (
            _eventData_.compressedData,
            _eventData_.compressedIDs,
            plyr_[_pID].name,
            msg.sender,
            _eth,
            _keys,
            _eventData_.winnerAddr,
            _eventData_.winnerName,
            _eventData_.amountWon,
            _eventData_.newPot,
            _eventData_.P3DAmount,
            _eventData_.genAmount,
            _eventData_.potAmount
        );
    }
    
    /** upon contract deploy, it will be deactivated.  this is a one time
     * use function that will activate the contract.  we do this so devs 
     * have time to set things up on the web end                            **/
    bool public activated_ = false;
    function activate()
        public
    {
        // only team just can activate 
        require(
            msg.sender == owner_,
            "only team just can activate"
        );

        // can only be ran once
        require(activated_ == false, "FoMo4D already activated");
        
        // activate the contract 
        activated_ = true;
        
        // lets start first round in ICO phase
		rID_ = 1;
        round_[1].strt = now;
        round_[1].end = now + rndInit_ + rndGap_;
    }
}



library F4Ddatasets {
    //compressedData key
    // [76-33][32][31][30][29][28-18][17][16-6][5-3][2][1][0]
        // 0 - new player (bool)
        // 1 - joined round (bool)
        // 2 - new  leader (bool)
        // 6-16 - round end time
        // 17 - winnerTeam
        // 18 - 28 timestamp 
        // 29 - team
        // 30 - 0 = reinvest (round), 1 = buy (round), 2 = buy (ico), 3 = reinvest (ico)
    //compressedIDs key
    // [77-52][51-26][25-0]
        // 0-25 - pID 
        // 26-51 - winPID
        // 52-77 - rID
    struct EventReturns {
        uint256 compressedData;
        uint256 compressedIDs;
        address winnerAddr;         // winner address
        bytes32 winnerName;         // winner name
        uint256 amountWon;          // amount won
        uint256 newPot;             // amount in new pot
        uint256 P3DAmount;          // amount distributed to p3d
        uint256 genAmount;          // amount distributed to gen
        uint256 potAmount;          // amount added to pot
    }
    struct Player {
        address addr;   // player address
        bytes32 name;   // player name
        uint256 win;    // winnings vault
        uint256 gen;    // general vault
        uint256 aff;    // affiliate vault
        uint256 lrnd;   // last round played
        uint256 laff;   // last affiliate id used
    }
    struct PlayerRounds {
        uint256 eth;    // eth player has added to round (used for eth limiter)
        uint256 keys;   // keys
        uint256 mask;   // player mask 
        uint256 ico;    // ICO phase investment
    }
    struct Round {
        uint256 plyr;   // pID of player in lead
        uint256 team;   // tID of team in lead
        uint256 end;    // time ends/ended
        bool ended;     // has round end function been ran
        uint256 strt;   // time round started
        uint256 keys;   // keys
        uint256 eth;    // total eth in
        uint256 pot;    // eth to pot (during round) / final amount paid to winner (after round ends)
        uint256 mask;   // global mask
        uint256 ico;    // total eth sent in during ICO phase
        uint256 icoGen; // total eth for gen during ICO phase
        uint256 icoAvg; // average key price for ICO phase
    }
    struct TeamFee {
        uint256 gen;    // % of buy in thats paid to key holders of current round
    }
    struct PotSplit {
        uint256 gen;    // % of pot thats paid to key holders of current round
    }
}


library F4DKeysCalcFast {
    using SafeMath for *;
    
    /**
     * @dev calculates number of keys received given X eth 
     * @param _curEth current amount of eth in contract 
     * @param _newEth eth being spent
     * @return amount of ticket purchased
     */
    function keysRec(uint256 _curEth, uint256 _newEth)
        internal
        pure
        returns (uint256)
    {
        return(keys((_curEth).add(_newEth)).sub(keys(_curEth)));
    }
    
    /**
     * @dev calculates amount of eth received if you sold X keys 
     * @param _curKeys current amount of keys that exist 
     * @param _sellKeys amount of keys you wish to sell
     * @return amount of eth received
     */
    function ethRec(uint256 _curKeys, uint256 _sellKeys)
        internal
        pure
        returns (uint256)
    {
        return((eth(_curKeys)).sub(eth(_curKeys.sub(_sellKeys))));
    }

    /**
     * @dev calculates how many keys would exist with given an amount of eth
     * @param _eth eth "in contract"
     * @return number of keys that would exist
     */
    function keys(uint256 _eth) 
        internal
        pure
        returns(uint256)
    {
        return ((((((_eth).mul(1000000000000000000)).mul(200000000000000000000000000000000)).add(2500000000000000000000000000000000000000000000000000000000000000)).sqrt()).sub(50000000000000000000000000000000)) / (100000000000000);
    }
    
    /**
     * @dev calculates how much eth would be in contract given a number of keys
     * @param _keys number of keys "in contract" 
     * @return eth that would exists
     */
    function eth(uint256 _keys) 
        internal
        pure
        returns(uint256)  
    {
        return ((50000000000000).mul(_keys.sq()).add(((100000000000000).mul(_keys.mul(1000000000000000000))) / (2))) / ((1000000000000000000).sq());
    }
}

interface PlayerBookInterface {
    function getPlayerID(address _addr) external returns (uint256);
    function getPlayerName(uint256 _pID) external view returns (bytes32);
    function getPlayerLAff(uint256 _pID) external view returns (uint256);
    function getPlayerAddr(uint256 _pID) external view returns (address);
    function getNameFee() external view returns (uint256);
    function registerNameXIDFromDapp(address _addr, bytes32 _name, uint256 _affCode, bool _all) external payable returns(bool, uint256);
    function registerNameXaddrFromDapp(address _addr, bytes32 _name, address _affCode, bool _all) external payable returns(bool, uint256);
    function registerNameXnameFromDapp(address _addr, bytes32 _name, bytes32 _affCode, bool _all) external payable returns(bool, uint256);
}


library NameFilter {
    
    /**
     * @dev filters name strings
     * -converts uppercase to lower case.  
     * -makes sure it does not start/end with a space
     * -makes sure it does not contain multiple spaces in a row
     * -cannot be only numbers
     * -cannot start with 0x 
     * -restricts characters to A-Z, a-z, 0-9, and space.
     * @return reprocessed string in bytes32 format
     */
    function nameFilter(string _input)
        internal
        pure
        returns(bytes32)
    {
        bytes memory _temp = bytes(_input);
        uint256 _length = _temp.length;
        
        //sorry limited to 32 characters
        require (_length <= 32 && _length > 0, "string must be between 1 and 32 characters");
        // make sure it doesnt start with or end with space
        require(_temp[0] != 0x20 && _temp[_length-1] != 0x20, "string cannot start or end with space");
        // make sure first two characters are not 0x
        if (_temp[0] == 0x30)
        {
            require(_temp[1] != 0x78, "string cannot start with 0x");
            require(_temp[1] != 0x58, "string cannot start with 0X");
        }
        
        // create a bool to track if we have a non number character
        bool _hasNonNumber;
        
        // convert & check
        for (uint256 i = 0; i < _length; i++)
        {
            // if its uppercase A-Z
            if (_temp[i] > 0x40 && _temp[i] < 0x5b)
            {
                // convert to lower case a-z
                _temp[i] = byte(uint(_temp[i]) + 32);
                
                // we have a non number
                if (_hasNonNumber == false)
                    _hasNonNumber = true;
            } else {
                require
                (
                    // require character is a space
                    _temp[i] == 0x20 || 
                    // OR lowercase a-z
                    (_temp[i] > 0x60 && _temp[i] < 0x7b) ||
                    // or 0-9
                    (_temp[i] > 0x2f && _temp[i] < 0x3a),
                    "string contains invalid characters"
                );
                // make sure theres not 2x spaces in a row
                if (_temp[i] == 0x20)
                    require( _temp[i+1] != 0x20, "string cannot contain consecutive spaces");
                
                // see if we have a character other than a number
                if (_hasNonNumber == false && (_temp[i] < 0x30 || _temp[i] > 0x39))
                    _hasNonNumber = true;    
            }
        }
        
        require(_hasNonNumber == true, "string cannot be only numbers");
        
        bytes32 _ret;
        assembly {
            _ret := mload(add(_temp, 32))
        }
        return (_ret);
    }
}

/**
 * @title SafeMath v0.1.9
 * @dev Math operations with safety checks that throw on error
 * change notes:  original SafeMath library from OpenZeppelin modified by Inventor
 * - added sqrt
 * - added sq
 * - added pwr 
 * - changed asserts to requires with error log outputs
 * - removed div, its useless
 */
library SafeMath {
    
    /**
    * @dev Multiplies two numbers, throws on overflow.
    */
    function mul(uint256 a, uint256 b) 
        internal 
        pure 
        returns (uint256 c) 
    {
        if (a == 0) {
            return 0;
        }
        c = a * b;
        require(c / a == b, "SafeMath mul failed");
        return c;
    }

    /**
    * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
    */
    function sub(uint256 a, uint256 b)
        internal
        pure
        returns (uint256) 
    {
        require(b <= a, "SafeMath sub failed");
        return a - b;
    }

    /**
    * @dev Adds two numbers, throws on overflow.
    */
    function add(uint256 a, uint256 b)
        internal
        pure
        returns (uint256 c) 
    {
        c = a + b;
        require(c >= a, "SafeMath add failed");
        return c;
    }
    
    /**
     * @dev gives square root of given x.
     */
    function sqrt(uint256 x)
        internal
        pure
        returns (uint256 y) 
    {
        uint256 z = ((add(x,1)) / 2);
        y = x;
        while (z < y) 
        {
            y = z;
            z = ((add((x / z),z)) / 2);
        }
    }
    
    /**
     * @dev gives square. multiplies x by x
     */
    function sq(uint256 x)
        internal
        pure
        returns (uint256)
    {
        return (mul(x,x));
    }
    
    /**
     * @dev x to the power of y 
     */
    function pwr(uint256 x, uint256 y)
        internal 
        pure 
        returns (uint256)
    {
        if (x==0)
            return (0);
        else if (y==0)
            return (1);
        else 
        {
            uint256 z = x;
            for (uint256 i=1; i < y; i++)
                z = mul(z,x);
            return (z);
        }
    }
}