contract MCTContractToken is ERC20Token, Owned{

    /* Public variables of the token */
    string  public standard = "Mammoth Casino Contract Token";
    string  public name = "Mammoth Casino Token";
    string  public symbol = "MCT";
    uint8   public decimals = 0;
    address public icoContractAddress;
    uint256 public tokenFrozenUntilTime;
    uint256 public blackListFreezeTime;
    struct frozen {
        bool accountFreeze;
        uint256 freezeUntilTime;
    }
    
    /* Variables of the token */
    uint256 public totalSupply;
    uint256 public totalRemainSupply;
    uint256 public foundingTeamSupply;
    uint256 public gameDeveloperSupply;
    uint256 public communitySupply;
    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowances;
    mapping (address => frozen) blackListFreezeTokenAccounts;
    /* Events */
    event mintToken(address indexed _to, uint256 _value);
    event burnToken(address indexed _from, uint256 _value);
    event frozenToken(uint256 _frozenUntilBlock, string _reason);
    
    /* Initializes contract and  sets restricted addresses */
    function MCTContractToken(uint256 _totalSupply, address _icoAddress) {
        owner = msg.sender;
        totalSupply = _totalSupply;
        totalRemainSupply = totalSupply;
        foundingTeamSupply = totalSupply * 2 / 10;
        gameDeveloperSupply = totalSupply * 1 / 10;
        communitySupply = totalSupply * 1 / 10;
        icoContractAddress = _icoAddress;
        blackListFreezeTime = 12 hours;
    }

    /* Returns total supply of issued tokens */
    function mctTotalSupply() returns (uint256) {   
        return totalSupply - totalRemainSupply;
    }

    /* Returns balance of address */
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }

    /* Transfers tokens from your address to other */
    function transfer(address _to, uint256 _value) returns (bool success) {
        require (now > tokenFrozenUntilTime);    // Throw if token is frozen
        require (now > blackListFreezeTokenAccounts[msg.sender].freezeUntilTime);             // Throw if recipient is frozen address
        require (now > blackListFreezeTokenAccounts[_to].freezeUntilTime);                    // Throw if recipient is frozen address
        require (balances[msg.sender] > _value);           // Throw if sender has insufficient balance
        require (balances[_to] + _value > balances[_to]);  // Throw if owerflow detected
        balances[msg.sender] -= _value;                     // Deduct senders balance
        balances[_to] += _value;                            // Add recivers blaance 
        Transfer(msg.sender, _to, _value);                  // Raise Transfer event
        return true;
    }

    /* Approve other address to spend tokens on your account */
    function approve(address _spender, uint256 _value) returns (bool success) {
        require (now > tokenFrozenUntilTime);               // Throw if token is frozen        
        allowances[msg.sender][_spender] = _value;          // Set allowance         
        Approval(msg.sender, _spender, _value);             // Raise Approval event         
        return true;
    }

    /* Approve and then communicate the approved contract in a single tx */ 
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {            
        tokenRecipient spender = tokenRecipient(_spender);              // Cast spender to tokenRecipient contract         
        approve(_spender, _value);                                      // Set approval to contract for _value         
        spender.receiveApproval(msg.sender, _value, this, _extraData);  // Raise method on _spender contract         
        return true;     
    }     

    /* A contract attempts to get the coins */
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {      
        require (now > tokenFrozenUntilTime);    // Throw if token is frozen
        require (now > blackListFreezeTokenAccounts[_to].freezeUntilTime);                    // Throw if recipient is restricted address  
        require (balances[_from] > _value);                // Throw if sender does not have enough balance     
        require (balances[_to] + _value > balances[_to]);  // Throw if overflow detected    
        require (_value > allowances[_from][msg.sender]);  // Throw if you do not have allowance       
        balances[_from] -= _value;                          // Deduct senders balance    
        balances[_to] += _value;                            // Add recipient blaance         
        allowances[_from][msg.sender] -= _value;            // Deduct allowance for this address         
        Transfer(_from, _to, _value);                       // Raise Transfer event
        return true;     
    }         

    /* Get the amount of allowed tokens to spend */     
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {         
        return allowances[_owner][_spender];
    }         

    /* Issue new tokens */     
    function mintTokens(address _to, uint256 _amount) {         
        require (msg.sender == icoContractAddress);             // Only ICO address can mint tokens        
        require (now > blackListFreezeTokenAccounts[_to].freezeUntilTime);                        // Throw if user wants to send to restricted address       
        require (balances[_to] + _amount > balances[_to]);      // Check for overflows
        require (totalRemainSupply > _amount);
        totalRemainSupply -= _amount;                           // Update total supply
        balances[_to] += _amount;                               // Set minted coins to target
        mintToken(_to, _amount);                                // Create Mint event       
        Transfer(0x0, _to, _amount);                            // Create Transfer event from 0x
    }     
  
    /* Destroy tokens from owners account */
    function burnTokens(address _addr, uint256 _amount) onlyOwner {
        require (balances[msg.sender] < _amount);               // Throw if you do not have enough balance
        totalRemainSupply += _amount;                           // Deduct totalSupply
        balances[_addr] -= _amount;                             // Destroy coins on senders wallet
        burnToken(_addr, _amount);                              // Raise Burn event
        Transfer(_addr, 0x0, _amount);                          // Raise transfer to 0x0
    }
    
    /* Destroy tokens if MCT not sold out */
    function burnLeftTokens() onlyOwner {
        require (totalRemainSupply > 0);
        totalRemainSupply = 0;
    }
    
    /* Stops all token transfers in case of emergency */
    function freezeTransfersUntil(uint256 _frozenUntilTime, string _freezeReason) onlyOwner {      
        tokenFrozenUntilTime = _frozenUntilTime;
        frozenToken(_frozenUntilTime, _freezeReason);
    }
    
    /*Freeze player accounts for "blackListFreezeTime" */
    function freezeAccounts(address _freezeAddress, bool _freeze) onlyOwner {
        blackListFreezeTokenAccounts[_freezeAddress].accountFreeze = _freeze;
        blackListFreezeTokenAccounts[_freezeAddress].freezeUntilTime = now + blackListFreezeTime;
    }
    
    /*mint ICO Left Token*/
    function mintUnICOLeftToken(address _foundingTeamAddr, address _gameDeveloperAddr, address _communityAddr) onlyOwner {
        balances[_foundingTeamAddr] += foundingTeamSupply;           // Give balance to _foundingTeamAddr;
        balances[_gameDeveloperAddr] += gameDeveloperSupply;         // Give balance to _gameDeveloperAddr;
        balances[_communityAddr] += communitySupply;                 // Give balance to _communityAddr;
        totalRemainSupply -= (foundingTeamSupply + gameDeveloperSupply + communitySupply);
        mintToken(_foundingTeamAddr, foundingTeamSupply);            // Create Mint event       
        mintToken(_gameDeveloperAddr, gameDeveloperSupply);          // Create Mint event 
        mintToken(_communityAddr, communitySupply);                  // Create Mint event 
    }
    
}
function approve(address _spender, uint256 _value) returns (bool success) {
    require (now > tokenFrozenUntilTime);               // Throw if token is frozen        
    allowances[msg.sender][_spender] = _value;          // Set allowance         
    Approval(msg.sender, _spender, _value);             // Raise Approval event         
    return true;
}

/* Approve other address to spend tokens on your account */