backfill based on validation level

pkg/super_node/shared/intefaces.go

@@ -57,7 +57,7 @@ type CIDRetriever interface {
 	Retrieve(filter SubscriptionSettings, blockNumber int64) ([]CIDsForFetching, bool, error)
 	RetrieveFirstBlockNumber() (int64, error)
 	RetrieveLastBlockNumber() (int64, error)
-	RetrieveGapsInData() ([]Gap, error)
+	RetrieveGapsInData(validationLevel int) ([]Gap, error)
 }
 
 // IPLDFetcher uses a CID wrapper to fetch an IPLD wrapper

pkg/super_node/shared/mocks/retriever.go

@@ -46,7 +46,7 @@ func (mcr *CIDRetriever) RetrieveFirstBlockNumber() (int64, error) {
 }
 
 // RetrieveGapsInData mock method
-func (mcr *CIDRetriever) RetrieveGapsInData() ([]shared.Gap, error) {
+func (mcr *CIDRetriever) RetrieveGapsInData(int) ([]shared.Gap, error) {
 	mcr.CalledTimes++
 	return mcr.GapsToRetrieve, mcr.GapsToRetrieveErr
 }