The "Energy Package" value is calculated at the time when ETH deposit transaction is confirmed on
blockchain. From deposit time to the time when transaction is confirmed, if the ETH price increases, the
value of the package will increase, but if the price of ETH decreases, the value of the package will
decrease and reduce by no more than 3%. If the price fluctuation exceeds 3%, the Deposit order will fail,
ETH will be returned, the user needs to re-active package.