contract ModulumInvestorsWhitelist is Ownable {

  mapping (address => bool) public isWhitelisted;

  /**
   * @dev Contructor
   */
  function ModulumInvestorsWhitelist() {
  }

  /**
   * @dev Add a new investor to the whitelist
   */
  function addInvestorToWhitelist(address _address) public onlyOwner {
    require(_address != 0x0);
    require(!isWhitelisted[_address]);
    isWhitelisted[_address] = true;
  }

  /**
   * @dev Remove an investor from the whitelist
   */
  function removeInvestorFromWhiteList(address _address) public onlyOwner {
    require(_address != 0x0);
    require(isWhitelisted[_address]);
    isWhitelisted[_address] = false;
  }

  /**
   * @dev Test whether an investor
   */
  function isInvestorInWhitelist(address _address) constant public returns (bool result) {
    return isWhitelisted[_address];
  }
}
/**
 * @title ModulumInvestorsWhitelist
 * @dev ModulumInvestorsWhitelist is a smart contract which holds and manages
 * a list whitelist of investors allowed to participate in Modulum ICO.
 * 
 */
function ModulumInvestorsWhitelist() {
  }
/**
 * @dev Contructor
 */