Fixup: Use correct timestamps

Author: martintomazic

go/storage/mkvs/db/badger/badger.go

@@ -108,8 +108,8 @@ func New(cfg *api.Config) (api.NodeDB, error) {
 	// but not yet compacted. Then the NodeDB is restarted, only this time with pruning disabled.
 	// Unless setting discard timestamp to the earliest version manually, the data stored for the
 	// already pruned versions may never be compacted, resulting in redundant disk usage.
-	if earliest := db.GetEarliestVersion(); earliest > tsMetadata {
-		db.db.SetDiscardTs(earliest - 1)
+	if discardTs := versionToTs(db.GetEarliestVersion()) - 1; discardTs > tsMetadata {
+		db.db.SetDiscardTs(discardTs)
 	}
 
 	return db, nil

go/storage/mkvs/db/pathbadger/pathbadger.go

@@ -65,8 +65,8 @@ func New(cfg *api.Config) (api.NodeDB, error) {
 	// but not yet compacted. Then the NodeDB is restarted, only this time with pruning disabled.
 	// Unless setting discard timestamp to the earliest version manually, the data stored for the
 	// already pruned versions may never be compacted, resulting in redundant disk usage.
-	if earliest := db.GetEarliestVersion(); earliest > tsMetadata {
-		db.db.SetDiscardTs(earliest - 1)
+	if discardTs := versionToTs(db.GetEarliestVersion()) - 1; discardTs > tsMetadata {
+		db.db.SetDiscardTs(discardTs)
 	}
 
 	return db, nil