XigluteCoinXGC.sol

Xiglute Coin (XGC) - Official Token ; 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;

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(_to != address(0));
  require(_value <= balances[msg.sender]);

  // SafeMath.sub will throw if there is not enough balance.
  balances[msg.sender] = balances[msg.sender].sub(_value);
  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(_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);
  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, address tokenOwner) public {
      name = _name;
      symbol = _symbol;
      decimals = _decimals;
      totalSupply = _supply * 10**_decimals;
      balances[tokenOwner] = totalSupply;
      owner = tokenOwner;
      emit Transfer(address(0), tokenOwner, totalSupply);
  }

function burn(uint256 _value) public {
  _burn(msg.sender, _value);
}

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);
} 

}