FetchLabelByReferenceUsecase feels like a pure BIP329 usecase, better to have a getLabelById usecase now that we have id's. Or at least have both and if the callers that need this have the id it would be better if they fetch by id if possible.

FetchLabelByReferenceUsecase feels like a pure BIP329 usecase, better to have a getLabelById usecase now that we have id's. Or at least have both and if the callers that need this have the id it would be better if they fetch by id if possible. #329