gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

swarm/storage/mru: Renamed rest of MRU references

Browse Source
This commit is contained in:
Javier Peletier
2018-09-30 09:43:10 +02:00
parent b35622cf3c
commit 83705ef6aa
19 changed files with 315 additions and 382 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
swarm/api/client/client.go
View File

@ -601,16 +601,15 @@ func (c *Client) MultipartUpload(hash string, uploader Uploader) (string, error)
return string(data), nil
}
// ErrNoResourceUpdatesFound is returned when Swarm cannot find updates of the given resource
var ErrNoResourceUpdatesFound = errors.New("No updates found for this resource")
// ErrNoFeedUpdatesFound is returned when Swarm cannot find updates of the given feed
var ErrNoFeedUpdatesFound = errors.New("No updates found for this feed")
// CreateResource creates a Mutable Resource with the given name and frequency, initializing it with the provided
// data. Data is interpreted as multihash or not depending on the multihash parameter.
// startTime=0 means "now"
// Returns the resulting Mutable Resource manifest address that you can use to include in an ENS Resolver (setContent)
// or reference future updates (Client.UpdateResource)
func (c *Client) CreateResource(request *mru.Request) (string, error) {
responseStream, err := c.updateResource(request, true)
// CreateFeedWithManifest creates a Feed Manifest, initializing it with the provided
// 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) {
responseStream, err := c.updateFeed(request, true)
if err != nil {
return "", err
}
@ -628,18 +627,18 @@ func (c *Client) CreateResource(request *mru.Request) (string, error) {
return manifestAddress, nil
}
// UpdateResource allows you to set a new version of your content
func (c *Client) UpdateResource(request *mru.Request) error {
_, err := c.updateResource(request, false)
// UpdateFeed allows you to set a new version of your content
func (c *Client) UpdateFeed(request *mru.Request) error {
_, err := c.updateFeed(request, false)
return err
}
func (c *Client) updateResource(request *mru.Request, createManifest bool) (io.ReadCloser, error) {
func (c *Client) updateFeed(request *mru.Request, createManifest bool) (io.ReadCloser, error) {
URL, err := url.Parse(c.Gateway)
if err != nil {
return nil, err
}
URL.Path = "/bzz-resource:/"
URL.Path = "/bzz-feed:/"
values := URL.Query()
body := request.AppendValues(values)
if createManifest {
@ -660,23 +659,23 @@ func (c *Client) updateResource(request *mru.Request, createManifest bool) (io.R
return res.Body, nil
}
// GetResource returns a byte stream with the raw content of the resource
// manifestAddressOrDomain is the address you obtained in CreateResource or an ENS domain whose Resolver
// 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) GetResource(query *mru.Query, manifestAddressOrDomain string) (io.ReadCloser, error) {
return c.getResource(query, manifestAddressOrDomain, false)
func (c *Client) QueryFeed(query *mru.Query, manifestAddressOrDomain string) (io.ReadCloser, error) {
return c.queryFeed(query, manifestAddressOrDomain, false)
}
// getResource returns a byte stream with the raw content of the resource
// manifestAddressOrDomain is the address you obtained in CreateResource or an ENS domain whose Resolver
// 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
// meta set to true will instruct the node return resource metainformation instead
func (c *Client) getResource(query *mru.Query, manifestAddressOrDomain string, meta bool) (io.ReadCloser, error) {
// 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) {
URL, err := url.Parse(c.Gateway)
if err != nil {
return nil, err
}
URL.Path = "/bzz-resource:/" + manifestAddressOrDomain
URL.Path = "/bzz-feed:/" + manifestAddressOrDomain
values := URL.Query()
if query != nil {
query.AppendValues(values) //adds query parameters
@ -692,7 +691,7 @@ func (c *Client) getResource(query *mru.Query, manifestAddressOrDomain string, m
if res.StatusCode != http.StatusOK {
if res.StatusCode == http.StatusNotFound {
return nil, ErrNoResourceUpdatesFound
return nil, ErrNoFeedUpdatesFound
}
errorMessageBytes, err := ioutil.ReadAll(res.Body)
var errorMessage string
@ -701,18 +700,18 @@ func (c *Client) getResource(query *mru.Query, manifestAddressOrDomain string, m
} else {
errorMessage = string(errorMessageBytes)
}
return nil, fmt.Errorf("Error retrieving resource: %s", errorMessage)
return nil, fmt.Errorf("Error retrieving feed updates: %s", errorMessage)
}
return res.Body, nil
}
// GetResourceMetadata returns a structure that describes the Mutable Resource
// manifestAddressOrDomain is the address you obtained in CreateResource or an ENS domain whose Resolver
// GetFeedMetadata 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) GetResourceMetadata(query *mru.Query, manifestAddressOrDomain string) (*mru.Request, error) {
func (c *Client) GetFeedMetadata(query *mru.Query, manifestAddressOrDomain string) (*mru.Request, error) {
responseStream, err := c.getResource(query, manifestAddressOrDomain, true)
responseStream, err := c.queryFeed(query, manifestAddressOrDomain, true)
if err != nil {
return nil, err
}

70
swarm/api/client/client_test.go
View File

@ -369,12 +369,12 @@ func newTestSigner() (*mru.GenericSigner, error) {
return mru.NewGenericSigner(privKey), nil
}
// test the transparent resolving of multihash resource types with bzz:// scheme
// test the transparent resolving of multihash feed updates with bzz:// scheme
//
// first upload data, and store the multihash to the resulting manifest in a resource update
// first upload data, and store the multihash to the resulting manifest in a feed update
// retrieving the update with the multihash should return the manifest pointing directly to the data
// and raw retrieve of that hash should return the data
func TestClientCreateResourceMultihash(t *testing.T) {
func TestClientCreateFeedMultihash(t *testing.T) {
signer, _ := newTestSigner()
@ -393,7 +393,7 @@ func TestClientCreateResourceMultihash(t *testing.T) {
s := common.FromHex(swarmHash)
mh := multihash.ToMultihash(s)
// our mutable resource topic
// our feed topic
topic, _ := mru.NewTopic("foo.eth", nil)
createRequest := mru.NewFirstRequest(topic)
@ -403,26 +403,26 @@ func TestClientCreateResourceMultihash(t *testing.T) {
t.Fatalf("Error signing update: %s", err)
}
resourceManifestHash, err := client.CreateResource(createRequest)
feedManifestHash, err := client.CreateFeedWithManifest(createRequest)
if err != nil {
t.Fatalf("Error creating resource: %s", err)
t.Fatalf("Error creating feed manifest: %s", err)
}
correctManifestAddrHex := "6ef40ba1492cf2a029dc9a8b5896c822cf689d3cd010842f4f1744e6db8824bd"
if resourceManifestHash != correctManifestAddrHex {
t.Fatalf("Response resource manifest mismatch, expected '%s', got '%s'", correctManifestAddrHex, resourceManifestHash)
correctManifestAddrHex := "bb056a5264c295c2b0f613c8409b9c87ce9d71576ace02458160df4cc894210b"
if feedManifestHash != correctManifestAddrHex {
t.Fatalf("Response feed manifest mismatch, expected '%s', got '%s'", correctManifestAddrHex, feedManifestHash)
}
// Check we get a not found error when trying to get the resource with a made-up manifest
_, err = client.GetResource(nil, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")
if err != ErrNoResourceUpdatesFound {
t.Fatalf("Expected to receive ErrNoResourceUpdatesFound error. Got: %s", err)
// Check we get a not found error when trying to get feed updates with a made-up manifest
_, err = client.QueryFeed(nil, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")
if err != ErrNoFeedUpdatesFound {
t.Fatalf("Expected to receive ErrNoFeedUpdatesFound error. Got: %s", err)
}
reader, err := client.GetResource(nil, correctManifestAddrHex)
reader, err := client.QueryFeed(nil, correctManifestAddrHex)
if err != nil {
t.Fatalf("Error retrieving resource: %s", err)
t.Fatalf("Error retrieving feed updates: %s", err)
}
defer reader.Close()
gotData, err := ioutil.ReadAll(reader)
@ -435,8 +435,8 @@ func TestClientCreateResourceMultihash(t *testing.T) {
}
// TestClientCreateUpdateResource will check that mutable resources can be created and updated via the HTTP client.
func TestClientCreateUpdateResource(t *testing.T) {
// TestClientCreateUpdateFeed will check that feeds can be created and updated via the HTTP client.
func TestClientCreateUpdateFeed(t *testing.T) {
signer, _ := newTestSigner()
@ -444,10 +444,10 @@ func TestClientCreateUpdateResource(t *testing.T) {
client := NewClient(srv.URL)
defer srv.Close()
// set raw data for the resource
// set raw data for the feed update
databytes := []byte("En un lugar de La Mancha, de cuyo nombre no quiero acordarme...")
// our mutable resource name
// our feed topic name
topic, _ := mru.NewTopic("El Quijote", nil)
createRequest := mru.NewFirstRequest(topic)
@ -456,16 +456,16 @@ func TestClientCreateUpdateResource(t *testing.T) {
t.Fatalf("Error signing update: %s", err)
}
resourceManifestHash, err := client.CreateResource(createRequest)
feedManifestHash, err := client.CreateFeedWithManifest(createRequest)
correctManifestAddrHex := "fcb8e75f53e480e197c083ad1976d265674d0ce776f2bf359c09c413fb5230b8"
if resourceManifestHash != correctManifestAddrHex {
t.Fatalf("Response resource manifest mismatch, expected '%s', got '%s'", correctManifestAddrHex, resourceManifestHash)
correctManifestAddrHex := "0e9b645ebc3da167b1d56399adc3276f7a08229301b72a03336be0e7d4b71882"
if feedManifestHash != correctManifestAddrHex {
t.Fatalf("Response feed manifest mismatch, expected '%s', got '%s'", correctManifestAddrHex, feedManifestHash)
}
reader, err := client.GetResource(nil, correctManifestAddrHex)
reader, err := client.QueryFeed(nil, correctManifestAddrHex)
if err != nil {
t.Fatalf("Error retrieving resource: %s", err)
t.Fatalf("Error retrieving feed updates: %s", err)
}
defer reader.Close()
gotData, err := ioutil.ReadAll(reader)
@ -479,7 +479,7 @@ func TestClientCreateUpdateResource(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.GetResourceMetadata(nil, correctManifestAddrHex)
updateRequest, err := client.GetFeedMetadata(nil, correctManifestAddrHex)
if err != nil {
t.Fatalf("Error retrieving update request template: %s", err)
}
@ -489,13 +489,13 @@ func TestClientCreateUpdateResource(t *testing.T) {
t.Fatalf("Error signing update: %s", err)
}
if err = client.UpdateResource(updateRequest); err != nil {
t.Fatalf("Error updating resource: %s", err)
if err = client.UpdateFeed(updateRequest); err != nil {
t.Fatalf("Error updating feed: %s", err)
}
reader, err = client.GetResource(nil, correctManifestAddrHex)
reader, err = client.QueryFeed(nil, correctManifestAddrHex)
if err != nil {
t.Fatalf("Error retrieving resource: %s", err)
t.Fatalf("Error retrieving feed updates: %s", err)
}
defer reader.Close()
gotData, err = ioutil.ReadAll(reader)
@ -506,17 +506,17 @@ func TestClientCreateUpdateResource(t *testing.T) {
t.Fatalf("Expected: %v, got %v", databytes, gotData)
}
// now try retrieving resource without a manifest
// now try retrieving feed updates without a manifest
view := &mru.Feed{
feed := &mru.Feed{
Topic: topic,
User: signer.Address(),
}
lookupParams := mru.NewQueryLatest(view, lookup.NoClue)
reader, err = client.GetResource(lookupParams, "")
lookupParams := mru.NewQueryLatest(feed, lookup.NoClue)
reader, err = client.QueryFeed(lookupParams, "")
if err != nil {
t.Fatalf("Error retrieving resource: %s", err)
t.Fatalf("Error retrieving feed updates: %s", err)
}
defer reader.Close()
gotData, err = ioutil.ReadAll(reader)