Add the users current wallet balance to the endpoints for claiming and listing storjscan wallets. Also prevent a user with a claimed wallet address from claiming a new wallet.
Change-Id: I0dbf1303699f924d05c8c52359038dc5ef6c42a1
Add payments method to payments to DepositWallets interface.
Exposes payments retrieval API for a particular wallet to
other systems such as console billing API.
Change-Id: Ifcb3a35514aab50be00f6360007954980b5d8b38