calculateDuffBalance

Usage: storage.calculateDuffBalance(walletId, accountIndex, type)
Description: Perform a full calculation of the balance of a wallet and account set.

Parameters:

parameters	type	required	Description
walletId	String	yes	The wallet identifier in which we the account is
accountIndex	Number	yes	The account index from which we want to perform the calculation
type	Enum['total', 'confirmed', 'unconfirmed']	no (def: total)	Depending of UTXO status, will calculate accordingly

Returns: Number (duff - aka satoshis - value of the balance).