feat: add support to check the local store and inject it 1st as a signed location before going into the network

storage/provider/provider.go

@@ -61,6 +61,18 @@ func (s *StorageLocationProviderImpl) Start() error {
 	s.timeout = time.Now().Add(s.timeoutDuration)
 	s.isTimedOut = false
 	s.mutex.Unlock()
+
+	local := s.checkLocal()
+	if local != nil {
+		s.availableNodes = append([]*encoding.NodeId{local.NodeId()}, s.availableNodes...)
+		nodeIdStr, err := local.NodeId().ToString()
+		if err != nil {
+			s.logger.Error("Error decoding node id", zap.Error(err))
+			return err
+		}
+		s.uris[nodeIdStr] = local.Location()
+	}
+
 	go func() {
 		requestSent := false
 
@@ -214,6 +226,22 @@ func (s *StorageLocationProviderImpl) Downvote(uri storage.SignedStorageLocation
 	return nil
 }
 
+func (s *StorageLocationProviderImpl) checkLocal() storage.SignedStorageLocation {
+	if s.services.Storage().ProviderStore() != nil {
+		if s.services.Storage().ProviderStore().CanProvide(s.hash, s.types) {
+			location, _ := s.services.Storage().ProviderStore().Provide(s.hash, s.types)
+
+			message := storage.PrepareProvideMessage(s.services.P2P().Config().KeyPair, s.hash, location)
+
+			location.SetProviderMessage(message)
+
+			return storage.NewSignedStorageLocation(s.services.P2P().NodeId(), location)
+		}
+	}
+
+	return nil
+}
+
 func NewStorageLocationProvider(params StorageLocationProviderParams) *StorageLocationProviderImpl {
 	if params.LocationTypes == nil {
 		params.LocationTypes = []types.StorageLocationType{