contract TokenTimelock {
	// ERC20 basic token contract being held
	ERC20 private _token;

	// beneficiary of tokens after they are released
	address private _beneficiary;

	// timestamp when token release is enabled
	uint256 private _releaseTime;

	constructor (ERC20 token, address beneficiary, uint256 releaseTime) public {
		// solium-disable-next-line security/no-block-members
		require(releaseTime > block.timestamp);
		_token = token;
		_beneficiary = beneficiary;
		_releaseTime = releaseTime;
	}

	/**
	 * @return the token being held.
	 */
	function token() public view returns (ERC20) {
		return _token;
	}

	/**
	 * @return the beneficiary of the tokens.
	 */
	function beneficiary() public view returns (address) {
		return _beneficiary;
	}

	/**
	 * @return the time when the tokens are released.
	 */
	function releaseTime() public view returns (uint256) {
		return _releaseTime;
	}

	/**
	 * @notice Transfers tokens held by timelock to beneficiary.
	 */
	function release() public {
		// solium-disable-next-line security/no-block-members
		require(block.timestamp >= _releaseTime);

		uint256 amount = _token.balanceOf(address(this));
		require(amount > 0);

		_token.transfer(_beneficiary, amount);
	}
}
/**
 * @title TokenTimelock
 * @dev TokenTimelock is a token holder contract that will allow a
 * beneficiary to extract the tokens after a given release time
 */
function beneficiary() public view returns (address) {
	return _beneficiary;
}

/**
 	 * @return the beneficiary of the tokens.
 	 */