// File: Ownable.sol



pragma solidity ^0.4.25;

contract Ownable {

    address public 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() public {
        owner = msg.sender;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(msg.sender == owner, "You are not owner of this token!");
        _;
    }

    /**
     * @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));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }

}
// File: Pausable.sol



pragma solidity ^0.4.25;


import "./Ownable.sol";


/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism. Identical to OpenZeppelin version
 * except that it uses local Ownable contract
 */
contract Pausable is Ownable {
    event Pause();
    event Unpause();

    bool public paused = false;


    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     */
    modifier whenNotPaused() {
        require(!paused, "This token is not pausing!");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     */
    modifier whenPaused() {
        require(paused, "This token is pausing!");
        _;
    }

    /**
     * @dev called by the owner to pause, triggers stopped state
     */
    function pause() onlyOwner whenNotPaused public {
        paused = true;
        emit Pause();
    }

    /**
     * @dev called by the owner to unpause, returns to normal state
     */
    function unpause() onlyOwner whenPaused public {
        paused = false;
        emit Unpause();
    }
}

// File: SafeMath.sol



pragma solidity ^0.4.25;


contract SafeMath {
    function safeMul(uint256 a, uint256 b) internal returns (uint256) {
        uint256 c = a * b;
        assert(a == 0 || c / a == b);
        return c;
    }

    function safeDiv(uint256 a, uint256 b) internal returns (uint256) {
        assert(b > 0);
        uint256 c = a / b;
        assert(a == b * c + a % b);
        return c;
    }

    function safeSub(uint256 a, uint256 b) internal returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    function safeAdd(uint256 a, uint256 b) internal returns (uint256) {
        uint256 c = a + b;
        assert(c>=a && c>=b);
        return c;
    }

    function assert(bool assertion) internal {
        if (!assertion) {
            throw;
        }
    }
}
// File: TokenERC20.sol



pragma solidity ^0.4.25;

import "./SafeMath.sol";
import "./Pausable.sol";

interface tokenRecipient {
    //function receiveApproval(address _from, uint256 _value, address _token, bytes calldata _extraData) external;
    function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external;
}

contract TokenERC20 is SafeMath, Pausable{

    // Public variables of the token
    address public manager;
    string public name;
    string public symbol;
    uint8 public decimals = 18;
    // 18 decimals is the strongly suggested default, avoid changing it
    uint256 public totalSupply;

    // This creates an array with all balances
    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    // This generates a public event on the blockchain that will notify clients
    event Transfer(address indexed from, address indexed to, uint256 value);

    // This generates a public event on the blockchain that will notify clients
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);

    // This notifies clients about the amount burnt
    event Burn(address indexed from, uint256 value);

    /**
     * Constructor function
     *
     * Initializes contract with initial supply tokens to the creator of the contract
     */
    constructor(
        uint256 initialSupply,
        string memory tokenName,
        string memory tokenSymbol
    ) public {
        totalSupply = initialSupply * 10 ** uint256(decimals);  // Update total supply with the decimal amount
        balanceOf[msg.sender] = totalSupply;                // Give the creator all initial tokens
        name = tokenName;                                   // Set the name for display purposes
        symbol = tokenSymbol;                               // Set the symbol for display purposes
        manager = msg.sender;
    }
    /**
     *
     * Get balance of 'tokenOwner'
     *
     * @param tokenOwner The address of 'tokenOwner'
     */
    function balanceOf(address tokenOwner) public view returns (uint) {
        return balanceOf[tokenOwner];
    }

    /**
     * Internal transfer, only can be called by this contract
     */
    function _transfer(address _from, address _to, uint _value) internal {
        // Prevent transfer to 0x0 address. Use burn() instead
        require(_to != address(0x0));
        // Check if the sender has enough
        require(balanceOf[_from] >= _value);
        // Check for overflows
        require(balanceOf[_to] + _value >= balanceOf[_to]);
        // Save this for an assertion in the future
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        // Subtract from the sender
        // balanceOf[_from] -= _value;
        balanceOf[_from] = safeSub(balanceOf[_from], _value);
        // Add the same to the recipient
        // balanceOf[_to] += _value;
        balanceOf[_to] = safeAdd(balanceOf[_to], _value);
        emit Transfer(_from, _to, _value);
        // Asserts are used to use static analysis to find bugs in your code. They should never fail
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }

    /**
     * Transfer tokens
     *
     * Send `_value` tokens to `_to` from your account
     *
     * @param _to The address of the recipient
     * @param _value the amount to send
     */
    function transfer(address _to, uint256 _value) whenNotPaused public returns (bool success) {
        _transfer(msg.sender, _to, _value);
        return true;
    }


    /**
     * Transfer tokens from other address
     *
     * Send `_value` tokens to `_to` on behalf of `_from`
     *
     * @param _from The address of the sender
     * @param _to The address of the recipient
     * @param _value the amount to send
     */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= allowance[_from][msg.sender]);     // Check allowance
        allowance[_from][msg.sender] -= _value;
        _transfer(_from, _to, _value);
        return true;
    }

    /**
     * Set allowance for other address
     *
     * Allows `_spender` to spend no more than `_value` tokens on your behalf
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     */
    function approve(address _spender, uint256 _value) whenNotPaused public returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }


    // This function returns the current approved number of tokens by an '_owner' to a specific '_spender',
    // as set in the approve function.
    function allowance(address _owner, address _spender) public view returns (uint) {
        return allowance[_owner][_spender];
    }

    /**
     * Set allowance for other address and notify
     *
     * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     * @param _extraData some extra information to send to the approved contract
     */
    function approveAndCall(address _spender, uint256 _value, bytes memory _extraData) public returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, address(this), _extraData);
            return true;
        }
    }

    /**
     * Destroy tokens
     *
     * Remove `_value` tokens from the system irreversibly
     *
     * @param _value the amount of money to burn
     */
    function burn(uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
        // balanceOf[msg.sender] -= _value;            // Subtract from the sender
        balanceOf[msg.sender] = safeSub(balanceOf[msg.sender], _value);
        // totalSupply -= _value;                      // Updates totalSupply
        totalSupply = safeSub(totalSupply, _value);
        emit Burn(msg.sender, _value);
        return true;
    }

    /**
     * Destroy tokens from other account
     *
     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
     *
     * @param _from the address of the sender
     * @param _value the amount of money to burn
     */
    function burnFrom(address _from, uint256 _value) public returns (bool success) {
        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
        require(_value <= allowance[_from][msg.sender]);    // Check allowance
        // balanceOf[_from] -= _value;                         // Subtract from the targeted balance
        balanceOf[_from] = safeSub(balanceOf[_from], _value);
        // allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
        allowance[_from][msg.sender] = safeSub(allowance[_from][msg.sender], _value);
        // totalSupply -= _value;                              // Update totalSupply
        totalSupply = safeSub(totalSupply, _value);
        emit Burn(_from, _value);
        return true;
    }

}

// File: TokenERC865.sol



pragma solidity ^0.4.25;

import "./TokenERC20.sol";

contract TokenERC865 is TokenERC20 {

    event TransferPreSigned(address indexed from, address indexed to, address indexed delegate, uint256 amount, uint256 fee);
    event TransferPreSignedNotFeeToken(address indexed from, address indexed to, address indexed delegate, uint256 amount);

    function transferPreSigned(address _from, address _to, uint256 _value, uint256 _fee) onlyOwner public returns (bool) {
        require(_to != address(0));
        require(_from != address(0));
        require(balanceOf[_from] >= safeAdd(_value, _fee));
        balanceOf[_from] = safeSub(safeSub(balanceOf[_from], _value), _fee);
        balanceOf[_to] = safeAdd(balanceOf[_to], _value);
        balanceOf[msg.sender] = safeAdd(balanceOf[msg.sender], _fee);
        emit Transfer(_from, _to, _value);
        emit Transfer(_from, msg.sender, _fee);
        emit TransferPreSigned(_from, _to, msg.sender, _value, _fee);
        return true;
    }

    function transferPreSignedNotFeeToken(address _from, address _to, uint256 _value) onlyOwner public returns (bool) {
        require(_to != address(0));
        require(_from != address(0));
        require(balanceOf[_from] >= _value);
        balanceOf[_from] = safeSub(balanceOf[_from], _value);
        balanceOf[_to] = safeAdd(balanceOf[_to], _value);
        emit Transfer(_from, _to, _value);
        emit TransferPreSignedNotFeeToken(_from, _to, msg.sender, _value);
        return true;
    }

}
// File: TokenICBX.sol



pragma solidity ^0.4.25;

import "./TokenERC865.sol";

contract TokenICBX is TokenERC865 {

//    uint256 public sellPrice;
//    uint256 public buyPrice;
    mapping (address => bool) public frozenAccount;
    mapping (address => uint256) public freezeOf;

    /* This generates a public event on the blockchain that will notify clients */
    event FrozenFunds(address target, bool frozen);

    /* This notifies clients about the amount frozen */
    event Freeze(address indexed from, uint256 value);

    /* This notifies clients about the amount unfrozen */
    event Unfreeze(address indexed from, uint256 value);

    /* Initializes contract with initial supply tokens to the creator of the contract */
    constructor(
        uint256 initialSupply,
        string tokenName,
        string tokenSymbol
    ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}

    /* Internal transfer, only can be called by this contract */
    function _transfer(address _from, address _to, uint _value) internal {
        require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
        require (balanceOf[_from] >= _value);               // Check if the sender has enough
        require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
        require(!frozenAccount[_from]);                     // Check if sender is frozen
        require(!frozenAccount[_to]);                       // Check if recipient is frozen
        // balanceOf[_from] -= _value;                         // Subtract from the sender
        balanceOf[_from] = safeSub(balanceOf[_from], _value);
        // balanceOf[_to] += _value;                           // Add the same to the recipient
        balanceOf[_to] = safeAdd(balanceOf[_to], _value);
        emit Transfer(_from, _to, _value);
    }

    /// @notice Create `mintedAmount` tokens and send it to `target`
    /// @param target Address to receive the tokens
    /// @param mintedAmount the amount of tokens it will receive
    function mintToken(address target, uint256 mintedAmount) onlyOwner public {
        // balanceOf[target] += mintedAmount;
        balanceOf[target] = safeAdd(balanceOf[target], mintedAmount);
        // totalSupply += mintedAmount;
        totalSupply = safeAdd(totalSupply, mintedAmount);
        emit Transfer(0, this, mintedAmount);
        emit Transfer(this, target, mintedAmount);
    }

    /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
    /// @param target Address to be frozen
    /// @param freeze either to freeze it or not
    function freezeAccount(address target, bool freeze) onlyOwner public {
        frozenAccount[target] = freeze;
        emit FrozenFunds(target, freeze);
    }

//    /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
//    /// @param newSellPrice Price the users can sell to the contract
//    /// @param newBuyPrice Price users can buy from the contract
//    function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
//        sellPrice = newSellPrice;
//        buyPrice = newBuyPrice;
//    }
//
//    /// @notice Buy tokens from contract by sending ether
//    function buy() payable public {
//        //uint amount = msg.value / buyPrice;               // calculates the amount
//        uint amount = safeDiv(msg.value, buyPrice);
//        _transfer(this, msg.sender, amount);              // makes the transfers
//    }
//
//    /// @notice Sell `amount` tokens to contract
//    /// @param amount amount of tokens to be sold
//    function sell(uint256 amount) public {
//        address myAddress = this;
//        require(myAddress.balance >= amount * sellPrice);      // checks if the contract has enough ether to buy
//        _transfer(msg.sender, this, amount);              // makes the transfers
//        //msg.sender.transfer(amount * sellPrice);          // sends ether to the seller. It's important to do this last to avoid recursion attacks
//        msg.sender.transfer(safeMul(amount, sellPrice));
//    }

    function freeze(uint256 _value) returns (bool success) {
        require(balanceOf[msg.sender] >= _value);            // Check if the sender has enough
        require(_value > 0);
        balanceOf[msg.sender] = safeSub(balanceOf[msg.sender], _value);                      // Subtract from the sender
        freezeOf[msg.sender] = safeAdd(freezeOf[msg.sender], _value);                                // Updates totalSupply
        emit Freeze(msg.sender, _value);
        return true;
    }

    function unfreeze(uint256 _value) returns (bool success) {
        require(freezeOf[msg.sender] >= _value);            // Check if the sender has enough
        require(_value >= 0);
        freezeOf[msg.sender] = safeSub(freezeOf[msg.sender], _value);                      // Subtract from the sender
        balanceOf[msg.sender] = safeAdd(balanceOf[msg.sender], _value);
        emit Unfreeze(msg.sender, _value);
        return true;
    }

    // transfer balance to owner
    function withdrawEther(uint256 amount) onlyOwner {
        owner.transfer(amount);
    }

    // can accept ether
    function() payable {

    }

}