pragma solidity ^0.5.2;
    
    /**
     * @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 private _owner;
    
        event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    
        /**
         * @dev The Ownable constructor sets the original `owner` of the contract to the sender
         * account.
         */
        constructor () internal {
            _owner = msg.sender;
            emit OwnershipTransferred(address(0), _owner);
        }
    
        /**
         * @return the address of the owner.
         */
        function owner() public view returns (address) {
            return _owner;
        }
    
        /**
         * @dev Throws if called by any account other than the owner.
         */
        modifier onlyOwner() {
            require(isOwner());
            _;
        }
    
        /**
         * @return true if `msg.sender` is the owner of the contract.
         */
        function isOwner() public view returns (bool) {
            return msg.sender == _owner;
        }
    
        /**
         * @dev Allows the current owner to relinquish control of the contract.
         * It will not be possible to call the functions with the `onlyOwner`
         * modifier anymore.
         * @notice Renouncing ownership will leave the contract without an owner,
         * thereby removing any functionality that is only available to the owner.
         */
        function renounceOwnership() public onlyOwner {
            emit OwnershipTransferred(_owner, address(0));
            _owner = address(0);
        }
    
        /**
         * @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 {
            _transferOwnership(newOwner);
        }
    
        /**
         * @dev Transfers control of the contract to a newOwner.
         * @param newOwner The address to transfer ownership to.
         */
        function _transferOwnership(address newOwner) internal {
            require(newOwner != address(0));
            emit OwnershipTransferred(_owner, newOwner);
            _owner = newOwner;
        }
    }
    
    /**
     * @title Secondary
     * @dev A Secondary contract can only be used by its primary account (the one that created it)
     */
    contract Secondary {
        address private _primary;
    
        event PrimaryTransferred(
            address recipient
        );
    
        /**
         * @dev Sets the primary account to the one that is creating the Secondary contract.
         */
        constructor () internal {
            _primary = msg.sender;
            emit PrimaryTransferred(_primary);
        }
    
        /**
         * @dev Reverts if called from any account other than the primary.
         */
        modifier onlyPrimary() {
            require(msg.sender == _primary);
            _;
        }
    
        /**
         * @return the address of the primary.
         */
        function primary() public view returns (address) {
            return _primary;
        }
    
        /**
         * @dev Transfers contract to a new primary.
         * @param recipient The address of new primary.
         */
        function transferPrimary(address recipient) public onlyPrimary {
            require(recipient != address(0));
            _primary = recipient;
            emit PrimaryTransferred(_primary);
        }
    }
    
    // File: node_modules\openzeppelin-solidity\contracts\token\ERC20\IERC20.sol
    /**
     * @title ERC20 interface
     * @dev see https://github.com/ethereum/EIPs/issues/20
     */
    
    interface IERC20 {
        function transfer(address to, uint256 value) external returns (bool);
    
        function approve(address spender, uint256 value) external returns (bool);
    
        function transferFrom(address from, address to, uint256 value) external returns (bool);
    
        function totalSupply() external view returns (uint256);
    
        function balanceOf(address who) external view returns (uint256);
    
        function allowance(address owner, address spender) external view returns (uint256);
    
        event Transfer(address indexed from, address indexed to, uint256 value);
    
        event Approval(address indexed owner, address indexed spender, uint256 value);
    }
    
    // File: node_modules\openzeppelin-solidity\contracts\math\SafeMath.sol
    
    
    /**
     * @title SafeMath
     * @dev Unsigned math operations with safety checks that revert on error
     */
    library SafeMath {
        /**
         * @dev Multiplies two unsigned integers, 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 unsigned integers 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 unsigned integers, 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 unsigned integers, 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 unsigned integers 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;
        }
    }
    
    
    // File: node_modules\openzeppelin-solidity\contracts\token\ERC20\ERC20.sol
    /**
     * @title Standard ERC20 token
     *
     * @dev Implementation of the basic standard token.
     * https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
     * Originally based on code by FirstBlood:
     * https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
     *
     * This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
     * all accounts just by listening to said events. Note that this isn't required by the specification, and other
     * compliant implementations may not do it.
     */
    /**
     * @title Standard ERC20 token
     *
     * @dev Implementation of the basic standard token.
     * https://eips.ethereum.org/EIPS/eip-20
     * Originally based on code by FirstBlood:
     * https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
     *
     * This implementation emits additional Approval events, allowing applications to reconstruct the allowance status for
     * all accounts just by listening to said events. Note that this isn't required by the specification, and other
     * compliant implementations may not do it.
     */
    contract ERC20 is IERC20 {
        using SafeMath for uint256;
    
        mapping (address => uint256) private _balances;
    
        mapping (address => mapping (address => uint256)) private _allowed;
    
        uint256 private _totalSupply;
    
        /**
         * @dev Total number of tokens in existence
         */
        function totalSupply() public view returns (uint256) {
            return _totalSupply;
        }
    
        /**
         * @dev Gets the balance of the specified address.
         * @param owner The address to query the balance of.
         * @return A uint256 representing the amount owned by the passed address.
         */
        function balanceOf(address owner) public view returns (uint256) {
            return _balances[owner];
        }
    
        /**
         * @dev Function to check the amount of tokens that 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 uint256 specifying the amount of tokens still available for the spender.
         */
        function allowance(address owner, address spender) public view returns (uint256) {
            return _allowed[owner][spender];
        }
    
        /**
         * @dev Transfer token to a specified address
         * @param to The address to transfer to.
         * @param value The amount to be transferred.
         */
        function transfer(address to, uint256 value) public returns (bool) {
            _transfer(msg.sender, to, value);
            return true;
        }
    
        /**
         * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
         * Beware that changing an allowance with this method brings the risk that someone may use both the old
         * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
         * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
         * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
         * @param spender The address which will spend the funds.
         * @param value The amount of tokens to be spent.
         */
        function approve(address spender, uint256 value) public returns (bool) {
            _approve(msg.sender, spender, value);
            return true;
        }
    
        /**
         * @dev Transfer tokens from one address to another.
         * Note that while this function emits an Approval event, this is not required as per the specification,
         * and other compliant implementations may not emit the event.
         * @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 uint256 the amount of tokens to be transferred
         */
        function transferFrom(address from, address to, uint256 value) public returns (bool) {
            _transfer(from, to, value);
            _approve(from, msg.sender, _allowed[from][msg.sender].sub(value));
            return true;
        }
    
        /**
         * @dev Increase the amount of tokens that an owner allowed to a spender.
         * approve should be called when _allowed[msg.sender][spender] == 0. To increment
         * allowed value is better to use this function to avoid 2 calls (and wait until
         * the first transaction is mined)
         * From MonolithDAO Token.sol
         * Emits an Approval event.
         * @param spender The address which will spend the funds.
         * @param addedValue The amount of tokens to increase the allowance by.
         */
        function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
            _approve(msg.sender, spender, _allowed[msg.sender][spender].add(addedValue));
            return true;
        }
    
        /**
         * @dev Decrease the amount of tokens that an owner allowed to a spender.
         * approve should be called when _allowed[msg.sender][spender] == 0. To decrement
         * allowed value is better to use this function to avoid 2 calls (and wait until
         * the first transaction is mined)
         * From MonolithDAO Token.sol
         * Emits an Approval event.
         * @param spender The address which will spend the funds.
         * @param subtractedValue The amount of tokens to decrease the allowance by.
         */
        function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
            _approve(msg.sender, spender, _allowed[msg.sender][spender].sub(subtractedValue));
            return true;
        }
    
        /**
         * @dev Transfer token for a specified addresses
         * @param from The address to transfer from.
         * @param to The address to transfer to.
         * @param value The amount to be transferred.
         */
        function _transfer(address from, address to, uint256 value) internal {
            require(to != address(0));
    
            _balances[from] = _balances[from].sub(value);
            _balances[to] = _balances[to].add(value);
            emit Transfer(from, to, value);
        }
    
        /**
         * @dev Internal function that mints an amount of the token and assigns it to
         * an account. This encapsulates the modification of balances such that the
         * proper events are emitted.
         * @param account The account that will receive the created tokens.
         * @param value The amount that will be created.
         */
        function _mint(address account, uint256 value) internal {
            require(account != address(0));
    
            _totalSupply = _totalSupply.add(value);
            _balances[account] = _balances[account].add(value);
            emit Transfer(address(0), account, value);
        }
    
        /**
         * @dev Internal function that burns an amount of the token of a given
         * account.
         * @param account The account whose tokens will be burnt.
         * @param value The amount that will be burnt.
         */
        function _burn(address account, uint256 value) internal {
            require(account != address(0));
    
            _totalSupply = _totalSupply.sub(value);
            _balances[account] = _balances[account].sub(value);
            emit Transfer(account, address(0), value);
        }
    
        /**
         * @dev Approve an address to spend another addresses' tokens.
         * @param owner The address that owns the tokens.
         * @param spender The address that will spend the tokens.
         * @param value The number of tokens that can be spent.
         */
        function _approve(address owner, address spender, uint256 value) internal {
            require(spender != address(0));
            require(owner != address(0));
    
            _allowed[owner][spender] = value;
            emit Approval(owner, spender, value);
        }
    
        /**
         * @dev Internal function that burns an amount of the token of a given
         * account, deducting from the sender's allowance for said account. Uses the
         * internal burn function.
         * Emits an Approval event (reflecting the reduced allowance).
         * @param account The account whose tokens will be burnt.
         * @param value The amount that will be burnt.
         */
        function _burnFrom(address account, uint256 value) internal {
            _burn(account, value);
            _approve(account, msg.sender, _allowed[account][msg.sender].sub(value));
        }
    }
    
    
    // File: openzeppelin-solidity\contracts\token\ERC20\ERC20Burnable.sol
    /**
     * @title Burnable Token
     * @dev Token that can be irreversibly burned (destroyed).
     */
    contract ERC20Burnable is ERC20 {
        /**
         * @dev Burns a specific amount of tokens.
         * @param value The amount of token to be burned.
         */
        function burn(uint256 value) public {
            _burn(msg.sender, value);
        }
    
        /**
         * @dev Burns a specific amount of tokens from the target address and decrements allowance
         * @param from address The account whose tokens will be burned.
         * @param value uint256 The amount of token to be burned.
         */
        function burnFrom(address from, uint256 value) public {
            _burnFrom(from, value);
        }
    }
    // File: node_modules\openzeppelin-solidity\contracts\access\Roles.sol
    /**
     * @title Roles
     * @dev Library for managing addresses assigned to a Role.
     */
    library Roles {
        struct Role {
            mapping (address => bool) bearer;
        }
    
        /**
         * @dev give an account access to this role
         */
        function add(Role storage role, address account) internal {
            require(account != address(0));
            require(!has(role, account));
    
            role.bearer[account] = true;
        }
    
        /**
         * @dev remove an account's access to this role
         */
        function remove(Role storage role, address account) internal {
            require(account != address(0));
            require(has(role, account));
    
            role.bearer[account] = false;
        }
    
        /**
         * @dev check if an account has this role
         * @return bool
         */
        function has(Role storage role, address account) internal view returns (bool) {
            require(account != address(0));
            return role.bearer[account];
        }
    }
    
    // File: node_modules\openzeppelin-solidity\contracts\access\roles\MinterRole.sol
    contract MinterRole {
        using Roles for Roles.Role;
    
        event MinterAdded(address indexed account);
        event MinterRemoved(address indexed account);
    
        Roles.Role private _minters;
    
        constructor () internal {
            _addMinter(msg.sender);
        }
    
        modifier onlyMinter() {
            require(isMinter(msg.sender));
            _;
        }
    
        function isMinter(address account) public view returns (bool) {
            return _minters.has(account);
        }
    
        function addMinter(address account) public onlyMinter {
            _addMinter(account);
        }
    
        function renounceMinter() public {
            _removeMinter(msg.sender);
        }
    
        function _addMinter(address account) internal {
            _minters.add(account);
            emit MinterAdded(account);
        }
    
        function _removeMinter(address account) internal {
            _minters.remove(account);
            emit MinterRemoved(account);
        }
    }
    
    // File: openzeppelin-solidity\contracts\token\ERC20\ERC20Mintable.sol
    
    /**
     * @title ERC20Mintable
     * @dev ERC20 minting logic
     */
    contract ERC20Mintable is ERC20, MinterRole {
        /**
         * @dev Function to mint tokens
         * @param to The address that will receive the minted tokens.
         * @param value The amount of tokens to mint.
         * @return A boolean that indicates if the operation was successful.
         */
        function mint(address to, uint256 value) public onlyMinter returns (bool) {
            _mint(to, value);
            return true;
        }
    }
    
    // File: contracts\ERC20Frozenable.sol
    
    
    //truffle-flattener Token.sol
    contract ERC20Frozenable is ERC20Burnable, ERC20Mintable, Ownable {
        mapping (address => bool) private _frozenAccount;
        event FrozenFunds(address target, bool frozen);
    
    
        function frozenAccount(address _address) public view returns(bool isFrozen) {
            return _frozenAccount[_address];
        }
    
        function freezeAccount(address target, bool freeze)  public onlyOwner {
            require(_frozenAccount[target] != freeze, "Same as current");
            _frozenAccount[target] = freeze;
            emit FrozenFunds(target, freeze);
        }
    
        function _transfer(address from, address to, uint256 value) internal {
            require(!_frozenAccount[from], "error - frozen");
            require(!_frozenAccount[to], "error - frozen");
            super._transfer(from, to, value);
        }
    
    }
    
    // File: openzeppelin-solidity\contracts\token\ERC20\ERC20Detailed.sol
    
    /**
     * @title ERC20Detailed token
     * @dev The decimals are only for visualization purposes.
     * All the operations are done using the smallest and indivisible token unit,
     * just as on Ethereum all the operations are done in wei.
     */
    contract ERC20Detailed is IERC20 {
        string private _name;
        string private _symbol;
        uint8 private _decimals;
    
        constructor (string memory name, string memory symbol, uint8 decimals) public {
            _name = name;
            _symbol = symbol;
            _decimals = decimals;
        }
    
        /**
         * @return the name of the token.
         */
        function name() public view returns (string memory) {
            return _name;
        }
    
        /**
         * @return the symbol of the token.
         */
        function symbol() public view returns (string memory) {
            return _symbol;
        }
    
        /**
         * @return the number of decimals of the token.
         */
        function decimals() public view returns (uint8) {
            return _decimals;
        }
    }
    
     /**
      * @title Escrow
      * @dev Base escrow contract, holds funds designated for a payee until they
      * withdraw them.
      * @dev Intended usage: This contract (and derived escrow contracts) should be a
      * standalone contract, that only interacts with the contract that instantiated
      * it. That way, it is guaranteed that all Ether will be handled according to
      * the Escrow rules, and there is no need to check for payable functions or
      * transfers in the inheritance tree. The contract that uses the escrow as its
      * payment method should be its primary, and provide public methods redirecting
      * to the escrow's deposit and withdraw.
      */
    contract Escrow is Secondary {
        using SafeMath for uint256;
    
        event Deposited(address indexed payee, uint256 weiAmount);
        event Withdrawn(address indexed payee, uint256 weiAmount);
    
        mapping(address => uint256) private _deposits;
    
        function depositsOf(address payee) public view returns (uint256) {
            return _deposits[payee];
        }
    
        /**
         * @dev Stores the sent amount as credit to be withdrawn.
         * @param payee The destination address of the funds.
         */
        function deposit(address payee) public onlyPrimary payable {
            uint256 amount = msg.value;
            _deposits[payee] = _deposits[payee].add(amount);
    
            emit Deposited(payee, amount);
        }
    
        /**
         * @dev Withdraw accumulated balance for a payee.
         * @param payee The address whose funds will be withdrawn and transferred to.
         */
        function withdraw(address payable payee) public onlyPrimary {
            uint256 payment = _deposits[payee];
    
            _deposits[payee] = 0;
    
            payee.transfer(payment);
    
            emit Withdrawn(payee, payment);
        }
    }
    
    /**
     * @title PullPayment
     * @dev Base contract supporting async send for pull payments. Inherit from this
     * contract and use _asyncTransfer instead of send or transfer.
     */
    contract PullPayment {
        Escrow private _escrow;
    
        constructor () internal {
            _escrow = new Escrow();
        }
    
        /**
         * @dev Withdraw accumulated balance.
         * @param payee Whose balance will be withdrawn.
         */
        function withdrawPayments(address payable payee) public {
            _escrow.withdraw(payee);
        }
    
        /**
         * @dev Returns the credit owed to an address.
         * @param dest The creditor's address.
         */
        function payments(address dest) public view returns (uint256) {
            return _escrow.depositsOf(dest);
        }
    
        /**
         * @dev Called by the payer to store the sent amount as credit to be pulled.
         * @param dest The destination address of the funds.
         * @param amount The amount to transfer.
         */
        function _asyncTransfer(address dest, uint256 amount) internal {
            _escrow.deposit.value(amount)(dest);
        }
    }
    
    contract PaymentSplitter {
        using SafeMath for uint256;
    
        event PayeeAdded(address account, uint256 shares);
        event PaymentReleased(address to, uint256 amount);
        event PaymentReceived(address from, uint256 amount);
    
        uint256 private _totalShares;
        uint256 private _totalReleased;
    
        mapping(address => uint256) private _shares;
        mapping(address => uint256) private _released;
        address[] private _payees;
    
        /**
         * @dev Constructor
         */
        constructor (address[] memory payees, uint256[] memory shares) public payable {
            require(payees.length == shares.length);
            require(payees.length > 0);
    
            for (uint256 i = 0; i < payees.length; i++) {
                _addPayee(payees[i], shares[i]);
            }
        }
    
        /**
         * @dev payable fallback
         */
        function () external payable {
            emit PaymentReceived(msg.sender, msg.value);
        }
    
        /**
         * @return the total shares of the contract.
         */
        function totalShares() public view returns (uint256) {
            return _totalShares;
        }
    
        /**
         * @return the total amount already released.
         */
        function totalReleased() public view returns (uint256) {
            return _totalReleased;
        }
    
        /**
         * @return the shares of an account.
         */
        function shares(address account) public view returns (uint256) {
            return _shares[account];
        }
    
        /**
         * @return the amount already released to an account.
         */
        function released(address account) public view returns (uint256) {
            return _released[account];
        }
    
        /**
         * @return the address of a payee.
         */
        function payee(uint256 index) public view returns (address) {
            return _payees[index];
        }
    
        /**
         * @dev Release one of the payee's proportional payment.
         * @param account Whose payments will be released.
         */
        function release(address payable account) public {
            require(_shares[account] > 0);
    
            uint256 totalReceived = address(this).balance.add(_totalReleased);
            uint256 payment = totalReceived.mul(_shares[account]).div(_totalShares).sub(_released[account]);
    
            require(payment != 0);
    
            _released[account] = _released[account].add(payment);
            _totalReleased = _totalReleased.add(payment);
    
            account.transfer(payment);
            emit PaymentReleased(account, payment);
        }
    
        /**
         * @dev Add a new payee to the contract.
         * @param account The address of the payee to add.
         * @param shares_ The number of shares owned by the payee.
         */
        function _addPayee(address account, uint256 shares_) private {
            require(account != address(0));
            require(shares_ > 0);
            require(_shares[account] == 0);
    
            _payees.push(account);
            _shares[account] = shares_;
            _totalShares = _totalShares.add(shares_);
            emit PayeeAdded(account, shares_);
        }
    }
    
    contract ConditionalEscrow is Escrow {
        /**
         * @dev Returns whether an address is allowed to withdraw their funds. To be
         * implemented by derived contracts.
         * @param payee The destination address of the funds.
         */
        function withdrawalAllowed(address payee) public view returns (bool);
    
        function withdraw(address payable payee) public {
            require(withdrawalAllowed(payee));
            super.withdraw(payee);
        }
    }
    
    
    contract RefundEscrow is ConditionalEscrow {
        enum State { Active, Refunding, Closed }
    
        event RefundsClosed();
        event RefundsEnabled();
    
        State private _state;
        address payable private _beneficiary;
    
        /**
         * @dev Constructor.
         * @param beneficiary The beneficiary of the deposits.
         */
        constructor (address payable beneficiary) public {
            require(beneficiary != address(0));
            _beneficiary = beneficiary;
            _state = State.Active;
        }
    
        /**
         * @return the current state of the escrow.
         */
        function state() public view returns (State) {
            return _state;
        }
    
        /**
         * @return the beneficiary of the escrow.
         */
        function beneficiary() public view returns (address) {
            return _beneficiary;
        }
    
        /**
         * @dev Stores funds that may later be refunded.
         * @param refundee The address funds will be sent to if a refund occurs.
         */
        function deposit(address refundee) public payable {
            require(_state == State.Active);
            super.deposit(refundee);
        }
    
        /**
         * @dev Allows for the beneficiary to withdraw their funds, rejecting
         * further deposits.
         */
        function close() public onlyPrimary {
            require(_state == State.Active);
            _state = State.Closed;
            emit RefundsClosed();
        }
    
        /**
         * @dev Allows for refunds to take place, rejecting further deposits.
         */
        function enableRefunds() public onlyPrimary {
            require(_state == State.Active);
            _state = State.Refunding;
            emit RefundsEnabled();
        }
    
        /**
         * @dev Withdraws the beneficiary's funds.
         */
        function beneficiaryWithdraw() public {
            require(_state == State.Closed);
            _beneficiary.transfer(address(this).balance);
        }
    
        /**
         * @dev Returns whether refundees can withdraw their deposits (be refunded). The overridden function receives a
         * 'payee' argument, but we ignore it here since the condition is global, not per-payee.
         */
        function withdrawalAllowed(address) public view returns (bool) {
            return _state == State.Refunding;
        }
    }
    // File: contracts\Token.sol
    //truffle-flattener Token.sol
    contract KtuneTokenBlocks is ERC20Frozenable, ERC20Detailed {
    
        constructor()
        ERC20Detailed("K-Tune Token", "KTT", 18)
        public {
            uint256 supply = 10000000000;
            uint256 initialSupply = supply * uint(10) ** decimals();
            _mint(msg.sender, initialSupply);
        }
    }