pragma solidity ^0.4.24;


/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {

/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}

/**
* @dev Integer division of two numbers, truncating the quotient.
*/
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 a / b;
}

/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}

/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
}


/**
* @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 {
if (newOwner != address(0)) {
owner = newOwner;
}
}

}


contract ERC223 {
uint256 public totalSupply_;
function balanceOf(address _owner) public view returns (uint256 balance);
function totalSupply() public view returns (uint256 _supply);

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);

function transfer(address to, uint value) public returns (bool success);
function transfer(address to, uint value, bytes data) public returns (bool success);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event ERC223Transfer(address indexed _from, address indexed _to, uint256 _value, bytes _data);
}


contract ContractReceiver {
/**
* @dev Standard ERC223 function that will handle incoming token transfers.
* @param _from Token sender address.
* @param _value Amount of tokens.
* @param _data Transaction metadata.
*/
function tokenFallback(address _from, uint _value, bytes _data) public;
}


contract ERC223Token is ERC223 {
using SafeMath for uint256;

mapping(address => uint256) balances;
mapping (address => mapping (address => uint256)) internal allowed;

uint256 public totalSupply_;

/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256 _supply) {
return totalSupply_;
}

/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
* @param _data Transaction metadata.
*/
function transfer(address _to, uint _value, bytes _data) public returns (bool success) {
if (isContract(_to)) {
return transferToContract(_to, _value, _data);
} else {
return transferToAddress(_to, _value, _data);
}
}

/**
* @dev transfer token for a specified address similar to ERC20 transfer.
* @dev Added due to backwards compatibility reasons.
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint _value) public returns (bool success) {
bytes memory empty;
if (isContract(_to)) {
return transferToContract(_to, _value, empty);
} else {
return transferToAddress(_to, _value, empty);
}
}

/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}

/**
* @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 uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);

balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
Transfer(_from, _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) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}

/**
* @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 Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_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
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}

/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_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
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
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);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}

/**
* @dev isContract
* @param _addr The address to check if it's a contract or not
* @return true if _addr is a contract
*/
//assemble the given address bytecode. If bytecode exists then the _addr is a contract.
function isContract(address _addr) private view returns (bool is_contract) {
uint length;
/* solium-disable-next-line */
assembly {
//retrieve the size of the code on target address, this needs assembly
length := extcodesize(_addr)
}
if (length > 0) {
return true;
} else {
return false;
}
}

/**
* @dev transferToAddress transfers the specified amount of tokens to the specified address
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
* @return true if transaction went through
*/
function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) revert();
balances[msg.sender] = balanceOf(msg.sender).sub(_value);
balances[_to] = balanceOf(_to).add(_value);
Transfer(msg.sender, _to, _value);
ERC223Transfer(msg.sender, _to, _value, _data);
return true;
}

/**
* @dev transferToContract transfers the specified amount of tokens to the specified contract address
* @param _to Receiver address.
* @param _value Amount of tokens that will be transferred.
* @param _data Transaction metadata.
* @return true if transaction went through
*/
function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) revert();
balances[msg.sender] = balanceOf(msg.sender).sub(_value);
balances[_to] = balanceOf(_to).add(_value);
ContractReceiver reciever = ContractReceiver(_to);
reciever.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value);
ERC223Transfer(msg.sender, _to, _value, _data);
return true;
}

function addTokenToTotalSupply(uint _value) public {
require(_value > 0);
balances[msg.sender] = balances[msg.sender] + _value;
totalSupply_ = totalSupply_ + _value;

}
}

/**
* @title BFEXToken Bank Future Exchange Token Contract by AngelCoin.io
*/
contract LIRAS is ERC223Token, Ownable {

string public constant name = "LIRAS";
string public constant symbol = "LRS";
uint8 public constant decimals = 18;

uint256 public constant INITIAL_SUPPLY = 100000000 * (10 ** uint256(decimals));
address public feeHoldingAddress;

address public owner;

/**
* @dev BFEXToken Constructor gives msg..
*/
function LIRAS() public {
totalSupply_ = INITIAL_SUPPLY;
balances[msg.sender] = INITIAL_SUPPLY;
owner = msg.sender;
feeHoldingAddress = owner;
Transfer(0x0, msg.sender, INITIAL_SUPPLY);
}

/**
* @dev transfer token for a specified address similar to ERC20 transfer.
* @dev Added due to backwards compatibility reasons.
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function adminTransfer(address _from, address _to, uint _value, uint _fee) public payable onlyOwner returns (bool success) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value > _fee);

balances[feeHoldingAddress] = balances[feeHoldingAddress].add(_fee);

uint256 actualValue = _value.sub(_fee);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(actualValue);
Transfer(_from, _to, actualValue);
Transfer(_from, feeHoldingAddress, _fee);
return true;
}


function changeFeeHoldingAddress(address newFeeHoldingAddress) public onlyOwner {
feeHoldingAddress = newFeeHoldingAddress;
}


}