pragma solidity ^0.5.10;

 library SafeMath {

   function mul(uint256 a, uint256 b) internal returns (uint256 c) {
     if (a == 0) {
       return 0;
     }
     c = a * b;
     assert(c / a == b);
     return c;
   }

   function div(uint256 a, uint256 b) internal returns (uint256) {
     assert(b > 0);
     uint256 c = a / b;
     assert(a == b * c + a % b);
     return c;
   }

   function sub(uint256 a, uint256 b) internal returns (uint256) {
     assert(b <= a);
     return a - b;
   }

   function add(uint256 a, uint256 b) internal returns (uint256 c) {
     c = a + b;
     assert(c >= a && c >= b);
     return c;
   }

   function assert(bool assertion) internal {
     if (!assertion) {
       revert();
     }
   }
 }

contract ERC20Basic {
  function balanceOf(address who) public view returns (uint);
  function transfer(address to, uint value) public;
  event Transfer(address indexed from, address indexed to, uint value);
}

contract BasicToken is ERC20Basic {
  using SafeMath for uint;

  mapping(address => uint) balances;

  modifier onlyPayloadSize(uint size) {
     if(msg.data.length < size.add(4)) {
       revert();
     }
     _;
  }

  function transfer(address _to, uint _value) public onlyPayloadSize(2 * 32) {
    require(_to != address(0));
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value);
  }

  function balanceOf(address _owner) public view returns (uint balance) {
    return balances[_owner];
  }
}

contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) public view returns (uint);
  function transferFrom(address from, address to, uint value) public;
  function approve(address spender, uint value) public;
  event Approval(address indexed owner, address indexed spender, uint value);
}


contract StandardToken is BasicToken, ERC20 {

  mapping (address => mapping (address => uint)) allowed;

  function transferFrom(address _from, address _to, uint _value) public onlyPayloadSize(3 * 32) {
    require(_to != address(0));
    uint _allowance = allowed[_from][msg.sender];

    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    emit Transfer(_from, _to, _value);
  }

  function approve(address _spender, uint _value) public {

    if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) revert();

    allowed[msg.sender][_spender] = _value;
    emit Approval(msg.sender, _spender, _value);
  }

  function allowance(address _owner, address _spender) public view returns (uint remaining) {
    return allowed[_owner][_spender];
  }
}

contract Ownable {
  address public owner;

  constructor() public {
    owner = msg.sender;
  }

  modifier onlyOwner() {
    if (msg.sender != owner) {
      revert();
    }
    _;
  }

  function transferOwnership(address newOwner) public onlyOwner {
    if (newOwner != address(0)) {
      owner = newOwner;
    }
  }
}

contract Pausable is Ownable {
  event Pause();
  event Unpause();

  bool public paused = false;

  modifier whenNotPaused() {
    if (paused) revert();
    _;
  }

  modifier whenPaused {
    if (!paused) revert();
    _;
  }


  function pause() public onlyOwner whenNotPaused returns (bool) {
    paused = true;
    emit Pause();
    return true;
  }

  function unpause() public onlyOwner whenPaused returns (bool) {
    paused = false;
    emit Unpause();
    return true;
  }
}


contract PausableToken is StandardToken, Pausable {

  function transfer(address _to, uint _value) public whenNotPaused {
    super.transfer(_to, _value);
  }

  function transferFrom(address _from, address _to, uint _value) public whenNotPaused {
    super.transferFrom(_from, _to, _value);
  }
}

contract DCToken is PausableToken {
  using SafeMath for uint256;

  function () external{
      revert();
  }

  string public name = "Dcion";
  string public symbol = "DC";
  uint8 public decimals = 18;
  uint public totalSupply = 300000000 * 1e18;

  event TimeLock(address indexed to, uint value, uint time);
  event Burn(address indexed burner, uint256 value);

  constructor() public {
      balances[msg.sender] = totalSupply;              // Give the creator all initial tokens
  }

  function burn(uint256 _value) public onlyOwner whenNotPaused {
    _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);
  }
}

{
  "compilationTarget": {
    "DCToken.sol": "DCToken"
  },
  "evmVersion": "petersburg",
  "libraries": {},
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}