# `pub struct Billing` Billing encapsulates logic related to synchronizing state with Stripe. Members: - `nwc_url: String` - a nostr wallet connect URL used to **create** bolt11 invoices - `query: Query` - `command: Command` - `robot: Robot` ## `pub fn new(query: Query, command: Command, robot: Robot) -> Self` - Reads environment and populates members - Subscribes to `command.notify.notified`