/**
 * TokenTool.App
*/

pragma solidity ^0.4.24;

library SafeMath {
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }
        uint256 c = a * b;
        assert(c / a == b);
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }
}

contract Ownable {
    address public owner;


    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @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));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }

}

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);
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     */
    modifier whenPaused() {
        require(paused);
        _;
    }

    /**
     * @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();
    }
}

contract ERC20Basic {
    uint256 public totalSupply;
    function balanceOf(address who) public view returns (uint256);
    function transfer(address to, uint256 value) public returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
}

contract ERC20 is ERC20Basic {
    function allowance(address owner, address spender) public view returns (uint256);
    function transferFrom(address from, address to, uint256 value) public returns (bool);
    function approve(address spender, uint256 value) public returns (bool);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}


contract StandardToken is ERC20 {
    using SafeMath for uint256;
    uint256 public txFee;
    uint256 public burnFee;
    address public FeeAddress;

    mapping (address => mapping (address => uint256)) internal allowed;
    mapping(address => bool) tokenBlacklist;
    event Blacklist(address indexed blackListed, bool value);


    mapping(address => uint256) balances;


    function transfer(address _to, uint256 _value) public returns (bool) {
        require(tokenBlacklist[msg.sender] == false);
        require(tokenBlacklist[_to] == false);
        require(_to != address(0));
        require(_value <= balances[msg.sender]);
        balances[msg.sender] = balances[msg.sender].sub(_value);
        uint256 tempValue = _value;
        if(txFee > 0 && msg.sender != FeeAddress){
            uint256 DenverDeflaionaryDecay = tempValue.div(uint256(100 / txFee));
            balances[FeeAddress] = balances[FeeAddress].add(DenverDeflaionaryDecay);
            emit Transfer(msg.sender, FeeAddress, DenverDeflaionaryDecay);
            _value =  _value.sub(DenverDeflaionaryDecay);
        }

        if(burnFee > 0 && msg.sender != FeeAddress){
            uint256 Burnvalue = tempValue.div(uint256(100 / burnFee));
            totalSupply = totalSupply.sub(Burnvalue);
            emit Transfer(msg.sender, address(0), Burnvalue);
            _value =  _value.sub(Burnvalue);
        }

        // SafeMath.sub will throw if there is not enough balance.


        balances[_to] = balances[_to].add(_value);
        emit Transfer(msg.sender, _to, _value);
        return true;
    }


    function balanceOf(address _owner) public view returns (uint256 balance) {
        return balances[_owner];
    }

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
        require(tokenBlacklist[msg.sender] == false);
        require(tokenBlacklist[_from] == false);
        require(tokenBlacklist[_to] == false);
        require(_to != address(0));
        require(_value <= balances[_from]);
        require(_value <= allowed[_from][msg.sender]);
        balances[_from] = balances[_from].sub(_value);
        uint256 tempValue = _value;
        if(txFee > 0 && _from != FeeAddress){
            uint256 DenverDeflaionaryDecay = tempValue.div(uint256(100 / txFee));
            balances[FeeAddress] = balances[FeeAddress].add(DenverDeflaionaryDecay);
            emit Transfer(_from, FeeAddress, DenverDeflaionaryDecay);
            _value =  _value.sub(DenverDeflaionaryDecay);
        }

        if(burnFee > 0 && _from != FeeAddress){
            uint256 Burnvalue = tempValue.div(uint256(100 / burnFee));
            totalSupply = totalSupply.sub(Burnvalue);
            emit Transfer(_from, address(0), Burnvalue);
            _value =  _value.sub(Burnvalue);
        }

        balances[_to] = balances[_to].add(_value);
        allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
        emit Transfer(_from, _to, _value);
        return true;
    }


    function approve(address _spender, uint256 _value) public returns (bool) {
        allowed[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }


    function allowance(address _owner, address _spender) public view returns (uint256) {
        return allowed[_owner][_spender];
    }


    function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
        allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
        emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
        return true;
    }

    function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
        uint oldValue = allowed[msg.sender][_spender];
        if (_subtractedValue > oldValue) {
            allowed[msg.sender][_spender] = 0;
        } else {
            allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
        }
        emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
        return true;
    }



    function _blackList(address _address, bool _isBlackListed) internal returns (bool) {
        require(tokenBlacklist[_address] != _isBlackListed);
        tokenBlacklist[_address] = _isBlackListed;
        emit Blacklist(_address, _isBlackListed);
        return true;
    }



}

contract PausableToken is StandardToken, Pausable {

    function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
        return super.transfer(_to, _value);
    }

    function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
        return super.transferFrom(_from, _to, _value);
    }

    function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
        return super.approve(_spender, _value);
    }

    function increaseApproval(address _spender, uint _addedValue) public whenNotPaused returns (bool success) {
        return super.increaseApproval(_spender, _addedValue);
    }

    function decreaseApproval(address _spender, uint _subtractedValue) public whenNotPaused returns (bool success) {
        return super.decreaseApproval(_spender, _subtractedValue);
    }

    function blackListAddress(address listAddress,  bool isBlackListed) public whenNotPaused onlyOwner  returns (bool success) {
        return super._blackList(listAddress, isBlackListed);
    }

}

contract CoinToken is PausableToken {
    string public name;
    string public symbol;
    uint public decimals;
    event Mint(address indexed from, address indexed to, uint256 value);
    event Burn(address indexed burner, uint256 value);


    constructor(string memory _name, string memory _symbol, uint256 _decimals, uint256 _supply, uint256 _txFee,uint256 _burnFee,address _FeeAddress,address tokenOwner,address service) public payable {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
        totalSupply = _supply * 10**_decimals;
        balances[tokenOwner] = totalSupply;
        owner = tokenOwner;
        txFee = _txFee;
        burnFee = _burnFee;
        FeeAddress = _FeeAddress;
        // service.transfer(msg.value);
        (bool success) = service.call.value(msg.value)();
        require(success, "Transfer failed.");
        emit Transfer(address(0), tokenOwner, totalSupply);
    }

    function burn(uint256 _value) public{
        _burn(msg.sender, _value);
    }

    function updateFee(uint256 _txFee,uint256 _burnFee,address _FeeAddress) onlyOwner public{
        txFee = _txFee;
        burnFee = _burnFee;
        FeeAddress = _FeeAddress;
    }


    function _burn(address _who, uint256 _value) internal {
        require(_value <= balances[_who]);
        balances[_who] = balances[_who].sub(_value);
        totalSupply = totalSupply.sub(_value);
        emit Burn(_who, _value);
        emit Transfer(_who, address(0), _value);
    }

    function mint(address account, uint256 amount) onlyOwner public {

        totalSupply = totalSupply.add(amount);
        balances[account] = balances[account].add(amount);
        emit Mint(address(0), account, amount);
        emit Transfer(address(0), account, amount);
    }


}