// Contract: Bank
// Target function: function finishMinting() public onlyOwner
;
    }

    /**
    * @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);
    }