swarm/storage/feeds: Final package rename and moved files

.github/CODEOWNERS

@@ -27,6 +27,6 @@ swarm/services                  @zelig
 swarm/state                     @justelad
 swarm/storage/encryption        @gbalint @zelig @nagydani
 swarm/storage/mock              @janos
-swarm/storage/mru               @nolash
+swarm/storage/feeds             @nolash
 swarm/testutil                  @lmars
 whisper/                        @gballet @gluk256

cmd/swarm/feeds.go

@@ -27,15 +27,15 @@ import (
 
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	swarm "github.com/ethereum/go-ethereum/swarm/api/client"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 	"gopkg.in/urfave/cli.v1"
 )
 
-func NewGenericSigner(ctx *cli.Context) mru.Signer {
-	return mru.NewGenericSigner(getPrivKey(ctx))
+func NewGenericSigner(ctx *cli.Context) feeds.Signer {
+	return feeds.NewGenericSigner(getPrivKey(ctx))
 }
 
-func getTopic(ctx *cli.Context) (topic mru.Topic) {
+func getTopic(ctx *cli.Context) (topic feeds.Topic) {
 	var name = ctx.String(SwarmFeedNameFlag.Name)
 	var relatedTopic = ctx.String(SwarmFeedTopicFlag.Name)
 	var relatedTopicBytes []byte
@@ -48,7 +48,7 @@ func getTopic(ctx *cli.Context) (topic mru.Topic) {
 		}
 	}
 
-	topic, err = mru.NewTopic(name, relatedTopicBytes)
+	topic, err = feeds.NewTopic(name, relatedTopicBytes)
 	if err != nil {
 		utils.Fatalf("Error parsing topic: %s", err)
 	}
@@ -65,7 +65,7 @@ func feedCreateManifest(ctx *cli.Context) {
 		client = swarm.NewClient(bzzapi)
 	)
 
-	newFeedUpdateRequest := mru.NewFirstRequest(getTopic(ctx))
+	newFeedUpdateRequest := feeds.NewFirstRequest(getTopic(ctx))
 	newFeedUpdateRequest.Feed.User = feedGetUser(ctx)
 
 	manifestAddress, err := client.CreateFeedWithManifest(newFeedUpdateRequest)
@@ -100,18 +100,18 @@ func feedUpdate(ctx *cli.Context) {
 		return
 	}
 
-	var updateRequest *mru.Request
-	var query *mru.Query
+	var updateRequest *feeds.Request
+	var query *feeds.Query
 
 	if manifestAddressOrDomain == "" {
-		query = new(mru.Query)
+		query = new(feeds.Query)
 		query.User = signer.Address()
 		query.Topic = getTopic(ctx)
 
 	}
 
-	// Retrieve feed status and metadata out of the manifest
-	updateRequest, err = client.GetFeedMetadata(query, manifestAddressOrDomain)
+	// Retrieve a feed update request
+	updateRequest, err = client.GetFeedRequest(query, manifestAddressOrDomain)
 	if err != nil {
 		utils.Fatalf("Error retrieving feed status: %s", err.Error())
 	}
@@ -139,14 +139,14 @@ func feedInfo(ctx *cli.Context) {
 		manifestAddressOrDomain = ctx.String(SwarmFeedManifestFlag.Name)
 	)
 
-	var query *mru.Query
+	var query *feeds.Query
 	if manifestAddressOrDomain == "" {
-		query = new(mru.Query)
+		query = new(feeds.Query)
 		query.Topic = getTopic(ctx)
 		query.User = feedGetUser(ctx)
 	}
 
-	metadata, err := client.GetFeedMetadata(query, manifestAddressOrDomain)
+	metadata, err := client.GetFeedRequest(query, manifestAddressOrDomain)
 	if err != nil {
 		utils.Fatalf("Error retrieving feed metadata: %s", err.Error())
 		return

cmd/swarm/feeds_test.go

@@ -26,11 +26,11 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/swarm/api"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 	"github.com/ethereum/go-ethereum/swarm/testutil"
 
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/log"
@@ -65,7 +65,7 @@ func TestCLIFeedUpdate(t *testing.T) {
 	}
 
 	// compose a topic. We'll be doing quotes about Miguel de Cervantes
-	var topic mru.Topic
+	var topic feeds.Topic
 	subject := []byte("Miguel de Cervantes")
 	copy(topic[:], subject[:])
 	name := "quotes"
@@ -95,19 +95,19 @@ func TestCLIFeedUpdate(t *testing.T) {
 
 	// build the same topic as before, this time
 	// we use NewTopic to create a topic automatically.
-	topic, err = mru.NewTopic(name, subject)
+	topic, err = feeds.NewTopic(name, subject)
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	// Feed configures whose updates we will be looking up.
-	feed := mru.Feed{
+	feed := feeds.Feed{
 		Topic: topic,
 		User:  address,
 	}
 
 	// Build a query to get the latest update
-	query := mru.NewQueryLatest(&feed, lookup.NoClue)
+	query := feeds.NewQueryLatest(&feed, lookup.NoClue)
 
 	// retrieve content!
 	reader, err := client.QueryFeed(query, "")
@@ -139,7 +139,7 @@ func TestCLIFeedUpdate(t *testing.T) {
 	cmd.ExpectExit()
 
 	// verify we can deserialize the result as a valid JSON
-	var request mru.Request
+	var request feeds.Request
 	err = json.Unmarshal([]byte(matches[0]), &request)
 	if err != nil {
 		t.Fatal(err)

swarm/OWNERS

@@ -22,5 +22,5 @@ swarm
 ├── storage ─────────────── ethersphere
 │   ├── encryption ──────── @gbalint, @zelig, @nagydani
 │   ├── mock ────────────── @janos
-│   └── mru ─────────────── @nolash
+│   └── feeds ───────────── @nolash
 └── testutil ────────────── @lmars

swarm/api/api.go

@@ -45,9 +45,10 @@ import (
 	"github.com/ethereum/go-ethereum/swarm/multihash"
 	"github.com/ethereum/go-ethereum/swarm/spancontext"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
-	"github.com/opentracing/opentracing-go"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
+
+	opentracing "github.com/opentracing/opentracing-go"
 )
 
 var (
@@ -235,14 +236,14 @@ on top of the FileStore
 it is the public interface of the FileStore which is included in the ethereum stack
 */
 type API struct {
-	feeds     *mru.Handler
+	feeds     *feeds.Handler
 	fileStore *storage.FileStore
 	dns       Resolver
 	Decryptor func(context.Context, string) DecryptFunc
 }
 
 // NewAPI the api constructor initialises a new API instance.
-func NewAPI(fileStore *storage.FileStore, dns Resolver, feedsHandler *mru.Handler, pk *ecdsa.PrivateKey) (self *API) {
+func NewAPI(fileStore *storage.FileStore, dns Resolver, feedsHandler *feeds.Handler, pk *ecdsa.PrivateKey) (self *API) {
 	self = &API{
 		fileStore: fileStore,
 		dns:       dns,
@@ -408,7 +409,7 @@ func (a *API) Get(ctx context.Context, decrypt DecryptFunc, manifestAddr storage
 			if entry.Feed == nil {
 				return reader, mimeType, status, nil, fmt.Errorf("Cannot decode Feed in manifest")
 			}
-			_, err := a.feeds.Lookup(ctx, mru.NewQueryLatest(entry.Feed, lookup.NoClue))
+			_, err := a.feeds.Lookup(ctx, feeds.NewQueryLatest(entry.Feed, lookup.NoClue))
 			if err != nil {
 				apiGetNotFound.Inc(1)
 				status = http.StatusNotFound
@@ -957,7 +958,7 @@ func (a *API) BuildDirectoryTree(ctx context.Context, mhash string, nameresolver
 }
 
 // FeedsLookup finds Swarm Feeds Updates at specific points in time, or the latest update
-func (a *API) FeedsLookup(ctx context.Context, query *mru.Query) ([]byte, error) {
+func (a *API) FeedsLookup(ctx context.Context, query *feeds.Query) ([]byte, error) {
 	_, err := a.feeds.Lookup(ctx, query)
 	if err != nil {
 		return nil, err
@@ -971,12 +972,12 @@ func (a *API) FeedsLookup(ctx context.Context, query *mru.Query) ([]byte, error)
 }
 
 // FeedsNewRequest creates a Request object to update a specific Feed
-func (a *API) FeedsNewRequest(ctx context.Context, feed *mru.Feed) (*mru.Request, error) {
+func (a *API) FeedsNewRequest(ctx context.Context, feed *feeds.Feed) (*feeds.Request, error) {
 	return a.feeds.NewRequest(ctx, feed)
 }
 
 // FeedsUpdate publishes a new update on the given Feed
-func (a *API) FeedsUpdate(ctx context.Context, request *mru.Request) (storage.Address, error) {
+func (a *API) FeedsUpdate(ctx context.Context, request *feeds.Request) (storage.Address, error) {
 	return a.feeds.Update(ctx, request)
 }
 
@@ -992,7 +993,7 @@ var ErrCannotLoadFeedManifest = errors.New("Cannot load feed manifest")
 var ErrNotAFeedManifest = errors.New("Not a feed manifest")
 
 // ResolveFeedManifest retrieves the Feed manifest for the given address, and returns the referenced Feed.
-func (a *API) ResolveFeedManifest(ctx context.Context, addr storage.Address) (*mru.Feed, error) {
+func (a *API) ResolveFeedManifest(ctx context.Context, addr storage.Address) (*feeds.Feed, error) {
 	trie, err := loadManifest(ctx, a.fileStore, addr, nil, NOOPDecrypt)
 	if err != nil {
 		return nil, ErrCannotLoadFeedManifest
@@ -1015,8 +1016,8 @@ var ErrCannotResolveFeed = errors.New("Cannot resolve Feed")
 
 // ResolveFeed attempts to extract Feed information out of the manifest, if provided
 // If not, it attempts to extract the Feed out of a set of key-value pairs
-func (a *API) ResolveFeed(ctx context.Context, uri *URI, values mru.Values) (*mru.Feed, error) {
-	var feed *mru.Feed
+func (a *API) ResolveFeed(ctx context.Context, uri *URI, values feeds.Values) (*feeds.Feed, error) {
+	var feed *feeds.Feed
 	var err error
 	if uri.Addr != "" {
 		// resolve the content key.
@@ -1035,7 +1036,7 @@ func (a *API) ResolveFeed(ctx context.Context, uri *URI, values mru.Values) (*mr
 		}
 		log.Debug("handle.get.feed: resolved", "manifestkey", manifestAddr, "feed", feed.Hex())
 	} else {
-		var v mru.Feed
+		var v feeds.Feed
 		if err := v.FromValues(values); err != nil {
 			return nil, ErrCannotResolveFeed
 

swarm/api/client/client.go

@@ -35,7 +35,7 @@ import (
 	"strings"
 
 	"github.com/ethereum/go-ethereum/swarm/api"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 )
 
 var (
@@ -608,7 +608,7 @@ var ErrNoFeedUpdatesFound = errors.New("No updates found for this feed")
 // data
 // Returns the resulting Feed Manifest address that you can use to include in an ENS Resolver (setContent)
 // or reference future updates (Client.UpdateFeed)
-func (c *Client) CreateFeedWithManifest(request *mru.Request) (string, error) {
+func (c *Client) CreateFeedWithManifest(request *feeds.Request) (string, error) {
 	responseStream, err := c.updateFeed(request, true)
 	if err != nil {
 		return "", err
@@ -628,12 +628,12 @@ func (c *Client) CreateFeedWithManifest(request *mru.Request) (string, error) {
 }
 
 // UpdateFeed allows you to set a new version of your content
-func (c *Client) UpdateFeed(request *mru.Request) error {
+func (c *Client) UpdateFeed(request *feeds.Request) error {
 	_, err := c.updateFeed(request, false)
 	return err
 }
 
-func (c *Client) updateFeed(request *mru.Request, createManifest bool) (io.ReadCloser, error) {
+func (c *Client) updateFeed(request *feeds.Request, createManifest bool) (io.ReadCloser, error) {
 	URL, err := url.Parse(c.Gateway)
 	if err != nil {
 		return nil, err
@@ -662,7 +662,7 @@ func (c *Client) updateFeed(request *mru.Request, createManifest bool) (io.ReadC
 // QueryFeed returns a byte stream with the raw content of the feed update
 // manifestAddressOrDomain is the address you obtained in CreateFeedWithManifest or an ENS domain whose Resolver
 // points to that address
-func (c *Client) QueryFeed(query *mru.Query, manifestAddressOrDomain string) (io.ReadCloser, error) {
+func (c *Client) QueryFeed(query *feeds.Query, manifestAddressOrDomain string) (io.ReadCloser, error) {
 	return c.queryFeed(query, manifestAddressOrDomain, false)
 }
 
@@ -670,7 +670,7 @@ func (c *Client) QueryFeed(query *mru.Query, manifestAddressOrDomain string) (io
 // manifestAddressOrDomain is the address you obtained in CreateFeedWithManifest or an ENS domain whose Resolver
 // points to that address
 // meta set to true will instruct the node return Feed metainformation instead
-func (c *Client) queryFeed(query *mru.Query, manifestAddressOrDomain string, meta bool) (io.ReadCloser, error) {
+func (c *Client) queryFeed(query *feeds.Query, manifestAddressOrDomain string, meta bool) (io.ReadCloser, error) {
 	URL, err := url.Parse(c.Gateway)
 	if err != nil {
 		return nil, err
@@ -706,10 +706,10 @@ func (c *Client) queryFeed(query *mru.Query, manifestAddressOrDomain string, met
 	return res.Body, nil
 }
 
-// GetFeedMetadata returns a structure that describes the referenced Feed status
+// GetFeedRequest returns a structure that describes the referenced Feed status
 // manifestAddressOrDomain is the address you obtained in CreateFeedWithManifest or an ENS domain whose Resolver
 // points to that address
-func (c *Client) GetFeedMetadata(query *mru.Query, manifestAddressOrDomain string) (*mru.Request, error) {
+func (c *Client) GetFeedRequest(query *feeds.Query, manifestAddressOrDomain string) (*feeds.Request, error) {
 
 	responseStream, err := c.queryFeed(query, manifestAddressOrDomain, true)
 	if err != nil {
@@ -722,7 +722,7 @@ func (c *Client) GetFeedMetadata(query *mru.Query, manifestAddressOrDomain strin
 		return nil, err
 	}
 
-	var metadata mru.Request
+	var metadata feeds.Request
 	if err := metadata.UnmarshalJSON(body); err != nil {
 		return nil, err
 	}

swarm/api/client/client_test.go

@@ -25,14 +25,14 @@ import (
 	"sort"
 	"testing"
 
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/swarm/api"
 	swarmhttp "github.com/ethereum/go-ethereum/swarm/api/http"
 	"github.com/ethereum/go-ethereum/swarm/multihash"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 	"github.com/ethereum/go-ethereum/swarm/testutil"
 )
 
@@ -361,12 +361,12 @@ func TestClientMultipartUpload(t *testing.T) {
 	}
 }
 
-func newTestSigner() (*mru.GenericSigner, error) {
+func newTestSigner() (*feeds.GenericSigner, error) {
 	privKey, err := crypto.HexToECDSA("deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef")
 	if err != nil {
 		return nil, err
 	}
-	return mru.NewGenericSigner(privKey), nil
+	return feeds.NewGenericSigner(privKey), nil
 }
 
 // test the transparent resolving of multihash feed updates with bzz:// scheme
@@ -394,9 +394,9 @@ func TestClientCreateFeedMultihash(t *testing.T) {
 	mh := multihash.ToMultihash(s)
 
 	// our feed topic
-	topic, _ := mru.NewTopic("foo.eth", nil)
+	topic, _ := feeds.NewTopic("foo.eth", nil)
 
-	createRequest := mru.NewFirstRequest(topic)
+	createRequest := feeds.NewFirstRequest(topic)
 
 	createRequest.SetData(mh)
 	if err := createRequest.Sign(signer); err != nil {
@@ -448,8 +448,8 @@ func TestClientCreateUpdateFeed(t *testing.T) {
 	databytes := []byte("En un lugar de La Mancha, de cuyo nombre no quiero acordarme...")
 
 	// our feed topic name
-	topic, _ := mru.NewTopic("El Quijote", nil)
-	createRequest := mru.NewFirstRequest(topic)
+	topic, _ := feeds.NewTopic("El Quijote", nil)
+	createRequest := feeds.NewFirstRequest(topic)
 
 	createRequest.SetData(databytes)
 	if err := createRequest.Sign(signer); err != nil {
@@ -479,7 +479,7 @@ func TestClientCreateUpdateFeed(t *testing.T) {
 	// define different data
 	databytes = []byte("... no ha mucho tiempo que vivía un hidalgo de los de lanza en astillero ...")
 
-	updateRequest, err := client.GetFeedMetadata(nil, correctManifestAddrHex)
+	updateRequest, err := client.GetFeedRequest(nil, correctManifestAddrHex)
 	if err != nil {
 		t.Fatalf("Error retrieving update request template: %s", err)
 	}
@@ -508,12 +508,12 @@ func TestClientCreateUpdateFeed(t *testing.T) {
 
 	// now try retrieving feed updates without a manifest
 
-	feed := &mru.Feed{
+	feed := &feeds.Feed{
 		Topic: topic,
 		User:  signer.Address(),
 	}
 
-	lookupParams := mru.NewQueryLatest(feed, lookup.NoClue)
+	lookupParams := feeds.NewQueryLatest(feed, lookup.NoClue)
 	reader, err = client.QueryFeed(lookupParams, "")
 	if err != nil {
 		t.Fatalf("Error retrieving feed updates: %s", err)

swarm/api/http/server.go

@@ -40,7 +40,7 @@ import (
 	"github.com/ethereum/go-ethereum/swarm/api"
 	"github.com/ethereum/go-ethereum/swarm/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 
 	"github.com/rs/cors"
 )
@@ -466,7 +466,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
 	log.Debug("handle.post.feed", "ruid", ruid)
 	var err error
 
-	// Creation and update must send mru.updateRequestJSON JSON structure
+	// Creation and update must send feeds.updateRequestJSON JSON structure
 	body, err := ioutil.ReadAll(r.Body)
 	if err != nil {
 		RespondError(w, r, err.Error(), http.StatusInternalServerError)
@@ -484,7 +484,7 @@ func (s *Server) HandlePostFeed(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var updateRequest mru.Request
+	var updateRequest feeds.Request
 	updateRequest.Feed = *feed
 	query := r.URL.Query()
 
@@ -582,7 +582,7 @@ func (s *Server) HandleGetFeed(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	lookupParams := &mru.Query{Feed: *feed}
+	lookupParams := &feeds.Query{Feed: *feed}
 	if err = lookupParams.FromValues(r.URL.Query()); err != nil { // parse period, version
 		RespondError(w, r, fmt.Sprintf("invalid feed update request:%s", err), http.StatusBadRequest)
 		return
@@ -606,7 +606,7 @@ func (s *Server) HandleGetFeed(w http.ResponseWriter, r *http.Request) {
 func (s *Server) translateFeedError(w http.ResponseWriter, r *http.Request, supErr string, err error) (int, error) {
 	code := 0
 	defaultErr := fmt.Errorf("%s: %v", supErr, err)
-	rsrcErr, ok := err.(*mru.Error)
+	rsrcErr, ok := err.(*feeds.Error)
 	if !ok && rsrcErr != nil {
 		code = rsrcErr.Code()
 	}

swarm/api/http/server_test.go

@@ -38,7 +38,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -48,7 +48,7 @@ import (
 	swarm "github.com/ethereum/go-ethereum/swarm/api/client"
 	"github.com/ethereum/go-ethereum/swarm/multihash"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 	"github.com/ethereum/go-ethereum/swarm/testutil"
 )
 
@@ -62,12 +62,12 @@ func serverFunc(api *api.API) testutil.TestServer {
 	return NewServer(api, "")
 }
 
-func newTestSigner() (*mru.GenericSigner, error) {
+func newTestSigner() (*feeds.GenericSigner, error) {
 	privKey, err := crypto.HexToECDSA("deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef")
 	if err != nil {
 		return nil, err
 	}
-	return mru.NewGenericSigner(privKey), nil
+	return feeds.NewGenericSigner(privKey), nil
 }
 
 // test the transparent resolving of multihash-containing feed updates with bzz:// scheme
@@ -103,8 +103,8 @@ func TestBzzFeedMultihash(t *testing.T) {
 
 	log.Info("added data", "manifest", string(b), "data", common.ToHex(mh))
 
-	topic, _ := mru.NewTopic("foo.eth", nil)
-	updateRequest := mru.NewFirstRequest(topic)
+	topic, _ := feeds.NewTopic("foo.eth", nil)
+	updateRequest := feeds.NewFirstRequest(topic)
 
 	updateRequest.SetData(mh)
 
@@ -182,8 +182,8 @@ func TestBzzFeed(t *testing.T) {
 	//data for update 2
 	update2Data := []byte("foo")
 
-	topic, _ := mru.NewTopic("foo.eth", nil)
-	updateRequest := mru.NewFirstRequest(topic)
+	topic, _ := feeds.NewTopic("foo.eth", nil)
+	updateRequest := feeds.NewFirstRequest(topic)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -319,7 +319,7 @@ func TestBzzFeed(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	updateRequest = &mru.Request{}
+	updateRequest = &feeds.Request{}
 	if err = updateRequest.UnmarshalJSON(b); err != nil {
 		t.Fatalf("Error decoding feed metadata: %s", err)
 	}
@@ -365,7 +365,7 @@ func TestBzzFeed(t *testing.T) {
 
 	// test manifest-less queries
 	log.Info("get first update in update1Timestamp via direct query")
-	query := mru.NewQuery(&updateRequest.Feed, update1Timestamp, lookup.NoClue)
+	query := feeds.NewQuery(&updateRequest.Feed, update1Timestamp, lookup.NoClue)
 
 	urlq, err := url.Parse(fmt.Sprintf("%s/bzz-feed:/", srv.URL))
 	if err != nil {

swarm/api/manifest.go

@@ -27,7 +27,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/swarm/log"
@@ -56,7 +56,7 @@ type ManifestEntry struct {
 	ModTime     time.Time    `json:"mod_time,omitempty"`
 	Status      int          `json:"status,omitempty"`
 	Access      *AccessEntry `json:"access,omitempty"`
-	Feed        *mru.Feed    `json:"feed,omitempty"`
+	Feed        *feeds.Feed  `json:"feed,omitempty"`
 }
 
 // ManifestList represents the result of listing files in a manifest
@@ -82,7 +82,7 @@ func (a *API) NewManifest(ctx context.Context, toEncrypt bool) (storage.Address,
 
 // Manifest hack for supporting Feeds from the bzz: scheme
 // see swarm/api/api.go:API.Get() for more information
-func (a *API) NewFeedManifest(ctx context.Context, feed *mru.Feed) (storage.Address, error) {
+func (a *API) NewFeedManifest(ctx context.Context, feed *feeds.Feed) (storage.Address, error) {
 	var manifest Manifest
 	entry := ManifestEntry{
 		Feed:        feed,

swarm/pss/notify/notify.go

@@ -317,7 +317,7 @@ func (c *Controller) handleStartMsg(msg *Msg, keyid string) (err error) {
 		return err
 	}
 
-	// TODO this is set to zero-length byte pending decision on protocol for initial message, whether it should include message or not, and how to trigger the initial message so that current state of MRU is sent upon subscription
+	// TODO this is set to zero-length byte pending decision on protocol for initial message, whether it should include message or not, and how to trigger the initial message so that current state of Swarm Feed is sent upon subscription
 	notify := []byte{}
 	replyMsg := NewMsg(MsgCodeNotifyWithKey, msg.namestring, make([]byte, len(notify)+symKeyLength))
 	copy(replyMsg.Payload, notify)

swarm/storage/feeds/binaryserializer.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import "github.com/ethereum/go-ethereum/common/hexutil"
 

swarm/storage/feeds/binaryserializer_test.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"encoding/json"

swarm/storage/feeds/cacheentry.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"bytes"

swarm/storage/feeds/doc.go

@@ -40,4 +40,4 @@ Request: Feed Update with signature
 			Epoch: time slot where the update is stored
 
 */
-package mru
+package feeds

swarm/storage/feeds/error.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"fmt"
@@ -47,7 +47,7 @@ func (e *Error) Error() string {
 }
 
 // Code returns the error code
-// Error codes are enumerated in the error.go file within the mru package
+// Error codes are enumerated in the error.go file within the feeds package
 func (e *Error) Code() int {
 	return e.code
 }

swarm/storage/feeds/feed.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"hash"
@@ -37,9 +37,9 @@ type Feed struct {
 const feedLength = TopicLength + common.AddressLength
 
 // mapKey calculates a unique id for this feed. Used by the cache map in `Handler`
-func (u *Feed) mapKey() uint64 {
+func (f *Feed) mapKey() uint64 {
 	serializedData := make([]byte, feedLength)
-	u.binaryPut(serializedData)
+	f.binaryPut(serializedData)
 	hasher := hashPool.Get().(hash.Hash)
 	defer hashPool.Put(hasher)
 	hasher.Reset()
@@ -49,54 +49,54 @@ func (u *Feed) mapKey() uint64 {
 }
 
 // binaryPut serializes this Feed instance into the provided slice
-func (u *Feed) binaryPut(serializedData []byte) error {
+func (f *Feed) binaryPut(serializedData []byte) error {
 	if len(serializedData) != feedLength {
 		return NewErrorf(ErrInvalidValue, "Incorrect slice size to serialize Feed. Expected %d, got %d", feedLength, len(serializedData))
 	}
 	var cursor int
-	copy(serializedData[cursor:cursor+TopicLength], u.Topic[:TopicLength])
+	copy(serializedData[cursor:cursor+TopicLength], f.Topic[:TopicLength])
 	cursor += TopicLength
 
-	copy(serializedData[cursor:cursor+common.AddressLength], u.User[:])
+	copy(serializedData[cursor:cursor+common.AddressLength], f.User[:])
 	cursor += common.AddressLength
 
 	return nil
 }
 
 // binaryLength returns the expected size of this structure when serialized
-func (u *Feed) binaryLength() int {
+func (f *Feed) binaryLength() int {
 	return feedLength
 }
 
 // binaryGet restores the current instance from the information contained in the passed slice
-func (u *Feed) binaryGet(serializedData []byte) error {
+func (f *Feed) binaryGet(serializedData []byte) error {
 	if len(serializedData) != feedLength {
 		return NewErrorf(ErrInvalidValue, "Incorrect slice size to read Feed. Expected %d, got %d", feedLength, len(serializedData))
 	}
 
 	var cursor int
-	copy(u.Topic[:], serializedData[cursor:cursor+TopicLength])
+	copy(f.Topic[:], serializedData[cursor:cursor+TopicLength])
 	cursor += TopicLength
 
-	copy(u.User[:], serializedData[cursor:cursor+common.AddressLength])
+	copy(f.User[:], serializedData[cursor:cursor+common.AddressLength])
 	cursor += common.AddressLength
 
 	return nil
 }
 
 // Hex serializes the Feed to a hex string
-func (u *Feed) Hex() string {
+func (f *Feed) Hex() string {
 	serializedData := make([]byte, feedLength)
-	u.binaryPut(serializedData)
+	f.binaryPut(serializedData)
 	return hexutil.Encode(serializedData)
 }
 
 // FromValues deserializes this instance from a string key-value store
 // useful to parse query strings
-func (u *Feed) FromValues(values Values) (err error) {
+func (f *Feed) FromValues(values Values) (err error) {
 	topic := values.Get("topic")
 	if topic != "" {
-		if err := u.Topic.FromHex(values.Get("topic")); err != nil {
+		if err := f.Topic.FromHex(values.Get("topic")); err != nil {
 			return err
 		}
 	} else { // see if the user set name and relatedcontent
@@ -108,18 +108,18 @@ func (u *Feed) FromValues(values Values) (err error) {
 			}
 			relatedContent = relatedContent[:storage.AddressLength]
 		}
-		u.Topic, err = NewTopic(name, relatedContent)
+		f.Topic, err = NewTopic(name, relatedContent)
 		if err != nil {
 			return err
 		}
 	}
-	u.User = common.HexToAddress(values.Get("user"))
+	f.User = common.HexToAddress(values.Get("user"))
 	return nil
 }
 
 // AppendValues serializes this structure into the provided string key-value store
 // useful to build query strings
-func (u *Feed) AppendValues(values Values) {
-	values.Set("topic", u.Topic.Hex())
-	values.Set("user", u.User.Hex())
+func (f *Feed) AppendValues(values Values) {
+	values.Set("topic", f.Topic.Hex())
+	values.Set("user", f.User.Hex())
 }

swarm/storage/feeds/feed_test.go

@@ -13,7 +13,7 @@
 //
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-package mru
+package feeds
 
 import (
 	"testing"

swarm/storage/feeds/handler.go

@@ -16,7 +16,7 @@
 
 // Handler is the API for Feeds
 // It enables creating, updating, syncing and retrieving feed updates and their data
-package mru
+package feeds
 
 import (
 	"bytes"
@@ -25,7 +25,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 
 	"github.com/ethereum/go-ethereum/swarm/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"

swarm/storage/feeds/handler_test.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"bytes"
@@ -31,7 +31,7 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/chunk"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 var (

swarm/storage/feeds/id.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"fmt"
@@ -22,7 +22,7 @@ import (
 	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )

swarm/storage/feeds/id_test.go

@@ -1,9 +1,9 @@
-package mru
+package feeds
 
 import (
 	"testing"
 
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 func getTestID() *ID {

swarm/storage/feeds/lookup/epoch_test.go

@@ -3,7 +3,7 @@ package lookup_test
 import (
 	"testing"
 
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 func TestMarshallers(t *testing.T) {

swarm/storage/feeds/lookup/lookup_test.go

@@ -22,7 +22,7 @@ import (
 	"testing"
 
 	"github.com/ethereum/go-ethereum/swarm/log"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 type Data struct {

swarm/storage/feeds/query.go

@@ -14,14 +14,14 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"fmt"
 	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 // Query is used to specify constraints when performing an update lookup

swarm/storage/feeds/query_test.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"testing"

swarm/storage/feeds/request.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"bytes"
@@ -24,7 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 // Request represents a request to sign or signed Feed Update message

swarm/storage/feeds/request_test.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"bytes"
@@ -26,7 +26,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru/lookup"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds/lookup"
 )
 
 func areEqualJSON(s1, s2 string) (bool, error) {

swarm/storage/feeds/sign.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"crypto/ecdsa"

swarm/storage/feeds/testutil.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"context"

swarm/storage/feeds/timestampprovider.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"encoding/binary"
@@ -22,7 +22,7 @@ import (
 	"time"
 )
 
-// TimestampProvider sets the time source of the mru package
+// TimestampProvider sets the time source of the feeds package
 var TimestampProvider timestampProvider = NewDefaultTimestampProvider()
 
 // Timestamp encodes a point in time as a Unix epoch

swarm/storage/feeds/topic.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"bytes"

swarm/storage/feeds/topic_test.go

@@ -1,4 +1,4 @@
-package mru
+package feeds
 
 import (
 	"testing"

swarm/storage/feeds/update.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"fmt"

swarm/storage/feeds/update_test.go

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-package mru
+package feeds
 
 import (
 	"testing"

swarm/swarm.go

@@ -50,7 +50,7 @@ import (
 	"github.com/ethereum/go-ethereum/swarm/state"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 	"github.com/ethereum/go-ethereum/swarm/storage/mock"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 	"github.com/ethereum/go-ethereum/swarm/tracing"
 )
 
@@ -186,10 +186,10 @@ func NewSwarm(config *api.Config, mockStore *mock.NodeStore) (self *Swarm, err e
 	// Swarm Hash Merklised Chunking for Arbitrary-length Document/File storage
 	self.fileStore = storage.NewFileStore(self.netStore, self.config.FileStoreParams)
 
-	var feedsHandler *mru.Handler
-	fhParams := &mru.HandlerParams{}
+	var feedsHandler *feeds.Handler
+	fhParams := &feeds.HandlerParams{}
 
-	feedsHandler = mru.NewHandler(fhParams)
+	feedsHandler = feeds.NewHandler(fhParams)
 	feedsHandler.SetStore(self.netStore)
 
 	lstore.Validators = []storage.ChunkValidator{

swarm/testutil/http.go

@@ -25,7 +25,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/swarm/api"
 	"github.com/ethereum/go-ethereum/swarm/storage"
-	"github.com/ethereum/go-ethereum/swarm/storage/mru"
+	"github.com/ethereum/go-ethereum/swarm/storage/feeds"
 )
 
 type TestServer interface {
@@ -54,8 +54,8 @@ func NewTestSwarmServer(t *testing.T, serverFunc func(*api.API) TestServer, reso
 		t.Fatal(err)
 	}
 
-	rhparams := &mru.HandlerParams{}
-	rh, err := mru.NewTestHandler(feedsDir, rhparams)
+	rhparams := &feeds.HandlerParams{}
+	rh, err := feeds.NewTestHandler(feedsDir, rhparams)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -75,7 +75,7 @@ func NewTestSwarmServer(t *testing.T, serverFunc func(*api.API) TestServer, reso
 		},
 		CurrentTime: 42,
 	}
-	mru.TimestampProvider = tss
+	feeds.TimestampProvider = tss
 	return tss
 }
 
@@ -92,6 +92,6 @@ func (t *TestSwarmServer) Close() {
 	t.cleanup()
 }
 
-func (t *TestSwarmServer) Now() mru.Timestamp {
-	return mru.Timestamp{Time: t.CurrentTime}
+func (t *TestSwarmServer) Now() feeds.Timestamp {
+	return feeds.Timestamp{Time: t.CurrentTime}
 }