// Vulnerability label: TD1
pragma solidity 0.5.1;

/*
* @title Bank
* @dev Bank contract which contained all ETH from Dragons and Hamsters teams.
* When time in blockchain will be grater then current deadline or last deadline need call getWinner function
* then participants able get prizes.
*
* Last participant(last hero) win 10% from all bank
*
* - To get prize send 0 ETH to this contract
*/
contract Bank {

    using SafeMath for uint256;

    mapping (address => uint256) public depositBears;
    mapping (address => uint256) public depositBulls;
    uint256 public currentDeadline;
    uint256 public lastDeadline = 1546257600;
    uint256 public countOfBears;
    uint256 public countOfBulls;
    uint256 public totalSupplyOfBulls;
    uint256 public totalSupplyOfBears;
    uint256 public totalCBCSupplyOfBulls;
    uint256 public totalCBCSupplyOfBears;
    uint256 public probabilityOfBulls;
    uint256 public probabilityOfBears;
    address public lastHero;
    address public lastHeroHistory;
    uint256 public jackPot;
    uint256 public winner;
    bool public finished = false;

    Bears public BearsContract;
    Bulls public BullsContract;
    CBCToken public CBCTokenContract;

    /*
    * @dev Constructor create first deadline
    */
    constructor() public {
        currentDeadline = block.timestamp + 60 * 60 * 24 * 3;
    }

    /**
    * @dev Setter the CryptoBossCoin contract address. Address can be set at once.
    * @param _CBCTokenAddress Address of the CryptoBossCoin contract
    */
    function setCBCTokenAddress(address _CBCTokenAddress) public {
        require(address(CBCTokenContract) == address(0x0));
        CBCTokenContract = CBCToken(_CBCTokenAddress);
    }

    /**
    * @dev Setter the Bears contract address. Address can be set at once.
    * @param _bearsAddress Address of the Bears contract
    */
    function setBearsAddress(address payable _bearsAddress) external {
        require(address(BearsContract) == address(0x0));
        BearsContract = Bears(_bearsAddress);
    }

    /**
    * @dev Setter the Bulls contract address. Address can be set at once.
    * @param _bullsAddress Address of the Bulls contract
    */
    function setBullsAddress(address payable _bullsAddress) external {
        require(address(BullsContract) == address(0x0));
        BullsContract = Bulls(_bullsAddress);
    }

    /**
    * @dev Getting time from blockchain for timer
    */
    function getNow() view public returns(uint){
        return block.timestamp;
    }

    /**
    * @dev Getting state of game. True - game continue, False - game stopped
    */
    function getState() view public returns(bool) {
        if (block.timestamp > currentDeadline) {
            return false;
        }
        return true;
    }

    /**
    * @dev Setting info about participant from Bears or Bulls contract
    * @param _lastHero Address of participant
    * @param _deposit Amount of deposit
    */
    function setInfo(address _lastHero, uint256 _deposit) public {
        require(address(BearsContract) == msg.sender || address(BullsContract) == msg.sender);

        if (address(BearsContract) == msg.sender) {
            require(depositBulls[_lastHero] == 0, "You are already in bulls team");
            if (depositBears[_lastHero] == 0)
                countOfBears++;
            totalSupplyOfBears = totalSupplyOfBears.add(_deposit.mul(90).div(100));
            depositBears[_lastHero] = depositBears[_lastHero].add(_deposit.mul(90).div(100));
        }

        if (address(BullsContract) == msg.sender) {
            require(depositBears[_lastHero] == 0, "You are already in bears team");
            if (depositBulls[_lastHero] == 0)
                countOfBulls++;
            totalSupplyOfBulls = totalSupplyOfBulls.add(_deposit.mul(90).div(100));
            depositBulls[_lastHero] = depositBulls[_lastHero].add(_deposit.mul(90).div(100));
        }

        lastHero = _lastHero;

        if (currentDeadline.add(120) <= lastDeadline) {
            currentDeadline = currentDeadline.add(120);
        } else {
            currentDeadline = lastDeadline;
        }

        jackPot = (address(this).balance.add(_deposit)).mul(10).div(100);

        calculateProbability();
    }

    /**
    * @dev Calculation probability for team's win
    */
    function calculateProbability() public {
        require(winner == 0 && getState());

        totalCBCSupplyOfBulls = CBCTokenContract.balanceOf(address(BullsContract));
        totalCBCSupplyOfBears = CBCTokenContract.balanceOf(address(BearsContract));
        uint256 percent = (totalSupplyOfBulls.add(totalSupplyOfBears)).div(100);

        if (totalCBCSupplyOfBulls < 1 ether) {
            totalCBCSupplyOfBulls = 0;
        }

        if (totalCBCSupplyOfBears < 1 ether) {
            totalCBCSupplyOfBears = 0;
        }

        if (totalCBCSupplyOfBulls <= totalCBCSupplyOfBears) {
            uint256 difference = totalCBCSupplyOfBears.sub(totalCBCSupplyOfBulls).div(0.01 ether);
            probabilityOfBears = totalSupplyOfBears.mul(100).div(percent).add(difference);

            if (probabilityOfBears > 8000) {
                probabilityOfBears = 8000;
            }
            if (probabilityOfBears < 2000) {
                probabilityOfBears = 2000;
            }
            probabilityOfBulls = 10000 - probabilityOfBears;
        } else {
            uint256 difference = totalCBCSupplyOfBulls.sub(totalCBCSupplyOfBears).div(0.01 ether);
            probabilityOfBulls = totalSupplyOfBulls.mul(100).div(percent).add(difference);

            if (probabilityOfBulls > 8000) {
                probabilityOfBulls = 8000;
            }
            if (probabilityOfBulls < 2000) {
                probabilityOfBulls = 2000;
            }
            probabilityOfBears = 10000 - probabilityOfBulls;
        }

        totalCBCSupplyOfBulls = CBCTokenContract.balanceOf(address(BullsContract));
        totalCBCSupplyOfBears = CBCTokenContract.balanceOf(address(BearsContract));
    }

    /**
    * @dev Getting winner team
    */
    function getWinners() public {
        require(winner == 0 && !getState());

        uint256 seed1 = address(this).balance;
        uint256 seed2 = totalSupplyOfBulls;
        uint256 seed3 = totalSupplyOfBears;
        uint256 seed4 = totalCBCSupplyOfBulls;
        uint256 seed5 = totalCBCSupplyOfBulls;
        uint256 seed6 = block.difficulty;
        uint256 seed7 = block.timestamp;

        bytes32 randomHash = keccak256(abi.encodePacked(seed1, seed2, seed3, seed4, seed5, seed6, seed7));
        uint randomNumber = uint(randomHash);

        if (randomNumber == 0){
            randomNumber = 1;
        }

        uint winningNumber = randomNumber % 10000;

        if (1 <= winningNumber && winningNumber <= probabilityOfBears){
            winner = 1;
        }

        if (probabilityOfBears < winningNumber && winningNumber <= 10000){
            winner = 2;
        }
    }

    /**
    * @dev Payable function for take prize
    */
    function () external payable {
        if (msg.value == 0 &&  !getState() && winner > 0){
            require(depositBears[msg.sender] > 0 || depositBulls[msg.sender] > 0);

            uint payout = 0;
            uint payoutCBC = 0;

            if (winner == 1 && depositBears[msg.sender] > 0) {
                payout = calculateETHPrize(msg.sender);
            }
            if (winner == 2 && depositBulls[msg.sender] > 0) {
                payout = calculateETHPrize(msg.sender);
            }

            if (payout > 0) {
                depositBears[msg.sender] = 0;
                depositBulls[msg.sender] = 0;
                msg.sender.transfer(payout);
            }

            if ((winner == 1 && depositBears[msg.sender] == 0) || (winner == 2 && depositBulls[msg.sender] == 0)) {
                payoutCBC = calculateCBCPrize(msg.sender);
                if (CBCTokenContract.balanceOf(address(BullsContract)) > 0)
                    CBCTokenContract.transferFrom(
                        address(BullsContract),
                        address(this),
                        CBCTokenContract.balanceOf(address(BullsContract))
                    );
                if (CBCTokenContract.balanceOf(address(BearsContract)) > 0)
                    CBCTokenContract.transferFrom(
                        address(BearsContract),
                        address(this),
                        CBCTokenContract.balanceOf(address(BearsContract))
                    );
                CBCTokenContract.transfer(msg.sender, payoutCBC);
            }

            if (msg.sender == lastHero) {
                lastHeroHistory = lastHero;
                lastHero = address(0x0);
                msg.sender.transfer(jackPot);
            }
        }
    }

    /**
    * @dev Getting ETH prize of participant
    * @param participant Address of participant
    */
    function calculateETHPrize(address participant) public view returns(uint) {

        uint payout = 0;
        uint256 totalSupply = (totalSupplyOfBears.add(totalSupplyOfBulls));

        if (depositBears[participant] > 0) {
            payout = totalSupply.mul(depositBears[participant]).div(totalSupplyOfBears);
        }

        if (depositBulls[participant] > 0) {
            payout = totalSupply.mul(depositBulls[participant]).div(totalSupplyOfBulls);
        }

        return payout;
    }

    /**
    * @dev Getting CBC Token prize of participant
    * @param participant Address of participant
    */
    function calculateCBCPrize(address participant) public view returns(uint) {

        uint payout = 0;
        uint totalSupply = (totalCBCSupplyOfBears.add(totalCBCSupplyOfBulls)).mul(80).div(100);

        if (depositBears[participant] > 0) {
            payout = totalSupply.mul(depositBears[participant]).div(totalSupplyOfBears);
        }

        if (depositBulls[participant] > 0) {
            payout = totalSupply.mul(depositBulls[participant]).div(totalSupplyOfBulls);
        }

        return payout;
    }
}

/**
* @dev Base contract for teams
*/
contract CryptoTeam {
    using SafeMath for uint256;

    //Developers fund
    address payable public teamAddressOne = 0x5947D8b85c5D3f8655b136B5De5D0Dd33f8E93D9;
    address payable public teamAddressTwo = 0xC923728AD95f71BC77186D6Fb091B3B30Ba42247;
    address payable public teamAddressThree = 0x763BFB050F9b973Dd32693B1e2181A68508CdA54;

    Bank public BankContract;
    CBCToken public CBCTokenContract;

    /**
    * @dev Payable function. 10% will send to Developers fund and 90% will send to JackPot contract.
    * Also setting info about player.
    */
    function () external payable {
        require(BankContract.getState() && msg.value >= 0.05 ether);

        BankContract.setInfo(msg.sender, msg.value.mul(90).div(100));

        teamAddressOne.transfer(msg.value.mul(4).div(100));
        teamAddressTwo.transfer(msg.value.mul(4).div(100));
        teamAddressThree.transfer(msg.value.mul(2).div(100));
        address(BankContract).transfer(msg.value.mul(90).div(100));
    }
}

/*
* @dev Bears contract. To play game with Bears send ETH to this contract
*/
contract Bears is CryptoTeam {
    constructor(address payable _bankAddress, address payable _CBCTokenAddress) public {
        BankContract = Bank(_bankAddress);
        BankContract.setBearsAddress(address(this));
        CBCTokenContract = CBCToken(_CBCTokenAddress);
        CBCTokenContract.approve(_bankAddress, 9999999999999999999000000000000000000);
    }
}

/*
* @dev Bulls contract. To play game with Bulls send ETH to this contract
*/
contract Bulls is CryptoTeam {
    constructor(address payable _bankAddress, address payable _CBCTokenAddress) public {
        BankContract = Bank(_bankAddress);
        BankContract.setBullsAddress(address(this));
        CBCTokenContract = CBCToken(_CBCTokenAddress);
        CBCTokenContract.approve(_bankAddress, 9999999999999999999000000000000000000);
    }
}


/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address public owner;


    /**
     * @dev The Ownable constructor sets the original `owner` of the contract to the sender
     * account.
     */
    constructor() public {
        owner = msg.sender;
    }


    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require (msg.sender == owner);
        _;
    }


    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * @param newOwner The address to transfer ownership to.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        owner = newOwner;
    }
}



/**
 * @title Authorizable
 * @dev Allows to authorize access to certain function calls
 *
 * ABI
 * [{"constant":true,"inputs":[{"name":"authorizerIndex","type":"uint256"}],"name":"getAuthorizer","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"addAuthorized","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_addr","type":"address"}],"name":"isAuthorized","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"inputs":[],"payable":false,"type":"constructor"}]
 */
contract Authorizable {

    address[] authorizers;
    mapping(address => uint) authorizerIndex;

    /**
     * @dev Throws if called by any account tat is not authorized.
     */
    modifier onlyAuthorized {
        require(isAuthorized(msg.sender));
        _;
    }

    /**
     * @dev Contructor that authorizes the msg.sender.
     */
    constructor() public {
        authorizers.length = 2;
        authorizers[1] = msg.sender;
        authorizerIndex[msg.sender] = 1;
    }

    /**
     * @dev Function to get a specific authorizer
     * @param authorizerIndex index of the authorizer to be retrieved.
     * @return The address of the authorizer.
     */
    function getAuthorizer(uint authorizerIndex) external view returns(address) {
        return address(authorizers[authorizerIndex + 1]);
    }

    /**
     * @dev Function to check if an address is authorized
     * @param _addr the address to check if it is authorized.
     * @return boolean flag if address is authorized.
     */
    function isAuthorized(address _addr) public view returns(bool) {
        return authorizerIndex[_addr] > 0;
    }

    /**
     * @dev Function to add a new authorizer
     * @param _addr the address to add as a new authorizer.
     */
    function addAuthorized(address _addr) external onlyAuthorized {
        authorizerIndex[_addr] = authorizers.length;
        authorizers.length++;
        authorizers[authorizers.length - 1] = _addr;
    }

}

/**
 * @title ExchangeRate
 * @dev Allows updating and retrieveing of Conversion Rates for PAY tokens
 *
 * ABI
 * [{"constant":false,"inputs":[{"name":"_symbol","type":"string"},{"name":"_rate","type":"uint256"}],"name":"updateRate","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"data","type":"uint256[]"}],"name":"updateRates","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_symbol","type":"string"}],"name":"getRate","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"rates","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"timestamp","type":"uint256"},{"indexed":false,"name":"symbol","type":"bytes32"},{"indexed":false,"name":"rate","type":"uint256"}],"name":"RateUpdated","type":"event"}]
 */
contract ExchangeRate is Ownable {

    event RateUpdated(uint timestamp, bytes32 symbol, uint rate);

    mapping(bytes32 => uint) public rates;

    /**
     * @dev Allows the current owner to update a single rate.
     * @param _symbol The symbol to be updated.
     * @param _rate the rate for the symbol.
     */
    function updateRate(string memory _symbol, uint _rate) public onlyOwner {
        rates[keccak256(abi.encodePacked(_symbol))] = _rate;
        emit RateUpdated(now, keccak256(bytes(_symbol)), _rate);
    }

    /**
     * @dev Allows the current owner to update multiple rates.
     * @param data an array that alternates keccak256 hashes of the symbol and the corresponding rate .
     */
    function updateRates(uint[] memory data) public onlyOwner {
        require (data.length % 2 <= 0);
        uint i = 0;
        while (i < data.length / 2) {
            bytes32 symbol = bytes32(data[i * 2]);
            uint rate = data[i * 2 + 1];
            rates[symbol] = rate;
            emit RateUpdated(now, symbol, rate);
            i++;
        }
    }

    /**
     * @dev Allows the anyone to read the current rate.
     * @param _symbol the symbol to be retrieved.
     */
    function getRate(string memory _symbol) public view returns(uint) {
        return rates[keccak256(abi.encodePacked(_symbol))];
    }

}

/**
 * @title SafeMath
 * @dev Math operations with safety checks that revert on error
 */
library SafeMath {
    /**
    * @dev Multiplies two numbers, reverts on overflow.
    */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b);

        return c;
    }

    /**
    * @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
    */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
    * @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
    */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        uint256 c = a - b;

        return c;
    }

    /**
    * @dev Adds two numbers, reverts on overflow.
    */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a);

        return c;
    }

    /**
    * @dev Divides two numbers and returns the remainder (unsigned integer modulo),
    * reverts when dividing by zero.
    */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0);
        return a % b;
    }
}


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20Basic {
    uint public totalSupply;
    function balanceOf(address who) public view returns (uint);
    function transfer(address to, uint value) public;
    event Transfer(address indexed from, address indexed to, uint value);
}




/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
    function allowance(address owner, address spender) view public returns (uint);
    function transferFrom(address from, address to, uint value) public;
    function approve(address spender, uint value) public;
    event Approval(address indexed owner, address indexed spender, uint value);
}




/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
contract BasicToken is ERC20Basic {
    using SafeMath for uint;

    mapping(address => uint) balances;

    /**
     * @dev Fix for the ERC20 short address attack.
     */
    modifier onlyPayloadSize(uint size) {
        require (size + 4 <= msg.data.length);
        _;
    }

    /**
    * @dev transfer token for a specified address
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transfer(address _to, uint _value) public onlyPayloadSize(2 * 32) {
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        emit Transfer(msg.sender, _to, _value);
    }

    /**
    * @dev Gets the balance of the specified address.
    * @param _owner The address to query the the balance of.
    * @return An uint representing the amount owned by the passed address.
    */
    function balanceOf(address _owner) view public returns (uint balance) {
        return balances[_owner];
    }

}




/**
 * @title Standard ERC20 token
 *
 * @dev Implemantation of the basic standart token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is BasicToken, ERC20 {

    mapping (address => mapping (address => uint)) allowed;


    /**
     * @dev Transfer tokens from one address to another
     * @param _from address The address which you want to send tokens from
     * @param _to address The address which you want to transfer to
     * @param _value uint the amout of tokens to be transfered
     */
    function transferFrom(address _from, address _to, uint _value) public onlyPayloadSize(3 * 32) {
        uint256 _allowance = allowed[_from][msg.sender];

        // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
        // if (_value > _allowance) throw;

        balances[_to] = balances[_to].add(_value);
        balances[_from] = balances[_from].sub(_value);
        allowed[_from][msg.sender] = _allowance.sub(_value);
        emit Transfer(_from, _to, _value);
    }

    /**
     * @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
     * @param _spender The address which will spend the funds.
     * @param _value The amount of tokens to be spent.
     */
    function approve(address _spender, uint _value) public {

        // To change the approve amount you first have to reduce the addresses`
        //  allowance to zero by calling `approve(_spender, 0)` if it is not
        //  already 0 to mitigate the race condition described here:
        //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
        if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();

        allowed[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
    }

    /**
     * @dev Function to check the amount of tokens than an owner allowed to a spender.
     * @param _owner address The address which owns the funds.
     * @param _spender address The address which will spend the funds.
     * @return A uint specifing the amount of tokens still avaible for the spender.
     */
    function allowance(address _owner, address _spender) view public returns (uint remaining) {
        return allowed[_owner][_spender];
    }

}


/**
 * @title Mintable token
 * @dev Simple ERC20 Token example, with mintable token creation
 * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
 */

contract MintableToken is StandardToken, Ownable {
    event Mint(address indexed to, uint value);
    event MintFinished();
    event Burn(address indexed burner, uint256 value);

    bool public mintingFinished = false;
    uint public totalSupply = 0;


    modifier canMint() {
        require(!mintingFinished);
        _;
    }

    /**
     * @dev Function to mint tokens
     * @param _to The address that will recieve the minted tokens.
     * @param _amount The amount of tokens to mint.
     * @return A boolean that indicates if the operation was successful.
     */
    function mint(address _to, uint _amount) onlyOwner canMint public returns (bool) {
        totalSupply = totalSupply.add(_amount);
        balances[_to] = balances[_to].add(_amount);
        emit Mint(_to, _amount);
        return true;
    }

    /**
     * @dev Function to stop minting new tokens.
     * @return True if the operation was successful.
     */
    function finishMinting() onlyOwner public returns (bool) {
        mintingFinished = true;
        emit MintFinished();
        return true;
    }


    /**
     * @dev Burns a specific amount of tokens.
     * @param _value The amount of token to be burned.
     */
    function burn(address _who, uint256 _value) onlyOwner public {
        _burn(_who, _value);
    }

    function _burn(address _who, uint256 _value) internal {
        require(_value <= balances[_who]);
        // no need to require value <= totalSupply, since that would imply the
        // sender's balance is greater than the totalSupply, which *should* be an assertion failure

        balances[_who] = balances[_who].sub(_value);
        totalSupply = totalSupply.sub(_value);
        emit Burn(_who, _value);
        emit Transfer(_who, address(0), _value);
    }
}


/**
 * @title CBCToken
 * @dev The main CBC token contract
 *
 * ABI
 * [{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"startTrading","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"tradingStarted","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]
 */
contract CBCToken is MintableToken {

    string public name = "Crypto Boss Coin";
    string public symbol = "CBC";
    uint public decimals = 18;

    bool public tradingStarted = false;
    /**
     * @dev modifier that throws if trading has not started yet
     */
    modifier hasStartedTrading() {
        require(tradingStarted);
        _;
    }


    /**
     * @dev Allows the owner to enable the trading. This can not be undone
     */
    function startTrading() onlyOwner public {
        tradingStarted = true;
    }

    /**
     * @dev Allows anyone to transfer the PAY tokens once trading has started
     * @param _to the recipient address of the tokens.
     * @param _value number of tokens to be transfered.
     */
    function transfer(address _to, uint _value) hasStartedTrading public {
        super.transfer(_to, _value);
    }

    /**
    * @dev Allows anyone to transfer the CBC tokens once trading has started
    * @param _from address The address which you want to send tokens from
    * @param _to address The address which you want to transfer to
    * @param _value uint the amout of tokens to be transfered
    */
    function transferFrom(address _from, address _to, uint _value) hasStartedTrading public{
        super.transferFrom(_from, _to, _value);
    }

}

/**
 * @title MainSale
 * @dev The main CBC token sale contract
 *
 * ABI
 * [{"constant":false,"inputs":[{"name":"_multisigVault","type":"address"}],"name":"setMultisigVault","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"authorizerIndex","type":"uint256"}],"name":"getAuthorizer","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"exchangeRate","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"altDeposits","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"recipient","type":"address"},{"name":"tokens","type":"uint256"}],"name":"authorizedCreateTokens","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_exchangeRate","type":"address"}],"name":"setExchangeRate","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"}],"name":"retrieveTokens","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"totalAltDeposits","type":"uint256"}],"name":"setAltDeposit","outputs":[],"payable":false,"type":"function"},{"constant":!1,"inputs":[{"name":"victim","type":"address"},{"name":"amount","type":"uint256"}],"name":"burnTokens","outputs":[],"payable":!1,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"start","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"recipient","type":"address"}],"name":"createTokens","outputs":[],"payable":true,"type":"function"},{"constant":false,"inputs":[{"name":"_addr","type":"address"}],"name":"addAuthorized","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"multisigVault","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_hardcap","type":"uint256"}],"name":"setHardCap","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_start","type":"uint256"}],"name":"setStart","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_addr","type":"address"}],"name":"isAuthorized","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"recipient","type":"address"},{"indexed":false,"name":"ether_amount","type":"uint256"},{"indexed":false,"name":"pay_amount","type":"uint256"},{"indexed":false,"name":"exchangerate","type":"uint256"}],"name":"TokenSold","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"recipient","type":"address"},{"indexed":false,"name":"pay_amount","type":"uint256"}],"name":"AuthorizedCreate","type":"event"},{"anonymous":false,"inputs":[],"name":"MainSaleClosed","type":"event"}]
 */
contract MainSale is Ownable, Authorizable {
    using SafeMath for uint;
    event TokenSold(address recipient, uint ether_amount, uint pay_amount, uint exchangerate);
    event AuthorizedCreate(address recipient, uint pay_amount);
    event AuthorizedBurn(address receiver, uint value);
    event AuthorizedStartTrading();
    event MainSaleClosed();
    CBCToken public token = new CBCToken();

    address payable public multisigVault;

    uint hardcap = 100000000000000 ether;
    ExchangeRate public exchangeRate;

    uint public altDeposits = 0;
    uint public start = 1525996800;

    /**
     * @dev modifier to allow token creation only when the sale IS ON
     */
    modifier saleIsOn() {
        require(now > start && now < start + 28 days);
        _;
    }

    /**
     * @dev modifier to allow token creation only when the hardcap has not been reached
     */
    modifier isUnderHardCap() {
        require(multisigVault.balance + altDeposits <= hardcap);
        _;
    }

    /**
     * @dev Allows anyone to create tokens by depositing ether.
     * @param recipient the recipient to receive tokens.
     */
    function createTokens(address recipient) public isUnderHardCap saleIsOn payable {
        uint rate = exchangeRate.getRate("ETH");
        uint tokens = rate.mul(msg.value).div(1 ether);
        token.mint(recipient, tokens);
        require(multisigVault.send(msg.value));
        emit TokenSold(recipient, msg.value, tokens, rate);
    }

    /**
     * @dev Allows to set the toal alt deposit measured in ETH to make sure the hardcap includes other deposits
     * @param totalAltDeposits total amount ETH equivalent
     */
    function setAltDeposit(uint totalAltDeposits) public onlyOwner {
        altDeposits = totalAltDeposits;
    }

    /**
     * @dev Allows authorized acces to create tokens. This is used for Bitcoin and ERC20 deposits
     * @param recipient the recipient to receive tokens.
     * @param tokens number of tokens to be created.
     */
    function authorizedCreateTokens(address recipient, uint tokens) public onlyAuthorized {
        token.mint(recipient, tokens);
        emit AuthorizedCreate(recipient, tokens);
    }

    function authorizedStartTrading() public onlyAuthorized {
        token.startTrading();
        emit AuthorizedStartTrading();
    }

    /**
     * @dev Allows authorized acces to burn tokens.
     * @param receiver the receiver to receive tokens.
     * @param value number of tokens to be created.
     */
    function authorizedBurnTokens(address receiver, uint value) public onlyAuthorized {
        token.burn(receiver, value);
        emit AuthorizedBurn(receiver, value);
    }

    /**
     * @dev Allows the owner to set the hardcap.
     * @param _hardcap the new hardcap
     */
    function setHardCap(uint _hardcap) public onlyOwner {
        hardcap = _hardcap;
    }

    /**
     * @dev Allows the owner to set the starting time.
     * @param _start the new _start
     */
    function setStart(uint _start) public onlyOwner {
        start = _start;
    }

    /**
     * @dev Allows the owner to set the multisig contract.
     * @param _multisigVault the multisig contract address
     */
    function setMultisigVault(address payable _multisigVault) public onlyOwner {
        if (_multisigVault != address(0)) {
            multisigVault = _multisigVault;
        }
    }

    /**
     * @dev Allows the owner to set the exchangerate contract.
     * @param _exchangeRate the exchangerate address
     */
    function setExchangeRate(address _exchangeRate) public onlyOwner {
        exchangeRate = ExchangeRate(_exchangeRate);
    }

    /**
     * @dev Allows the owner to finish the minting. This will create the
     * restricted tokens and then close the minting.
     * Then the ownership of the PAY token contract is transfered
     * to this owner.
     */
    function finishMinting() public onlyOwner {
        uint issuedTokenSupply = token.totalSupply();
        uint restrictedTokens = issuedTokenSupply.mul(49).div(51);
        token.mint(multisigVault, restrictedTokens);
        token.finishMinting();
        token.transferOwnership(owner);
        emit MainSaleClosed();
    }

    /**
     * @dev Allows the owner to transfer ERC20 tokens to the multi sig vault
     * @param _token the contract address of the ERC20 contract
     */
    function retrieveTokens(address _token) public onlyOwner {
        ERC20 token = ERC20(_token);
        token.transfer(multisigVault, token.balanceOf(address(this)));
    }

    /**
     * @dev Fallback function which receives ether and created the appropriate number of tokens for the
     * msg.sender.
     */
    function() external payable {
        createTokens(msg.sender);
    }

}