23 files changed, 296 insertions, 322 deletions

diff --git a/swarm/api/api.go b/swarm/api/api.go
index f92a14653..7af27208d 100644
--- a/swarm/api/api.go
+++ b/swarm/api/api.go
@@ -25,8 +25,7 @@ import (
 	"sync"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -72,9 +71,9 @@ type ErrResolve error
 
 // DNS Resolver
 func (self *Api) Resolve(hostPort string, nameresolver bool) (storage.Key, error) {
-	glog.V(logger.Detail).Infof("Resolving : %v", hostPort)
+	log.Trace(fmt.Sprintf("Resolving : %v", hostPort))
 	if hashMatcher.MatchString(hostPort) || self.dns == nil {
-		glog.V(logger.Detail).Infof("host is a contentHash: '%v'", hostPort)
+		log.Trace(fmt.Sprintf("host is a contentHash: '%v'", hostPort))
 		return storage.Key(common.Hex2Bytes(hostPort)), nil
 	}
 	if !nameresolver {
@@ -83,9 +82,9 @@ func (self *Api) Resolve(hostPort string, nameresolver bool) (storage.Key, error
 	contentHash, err := self.dns.Resolve(hostPort)
 	if err != nil {
 		err = ErrResolve(err)
-		glog.V(logger.Warn).Infof("DNS error : %v", err)
+		log.Warn(fmt.Sprintf("DNS error : %v", err))
 	}
-	glog.V(logger.Detail).Infof("host lookup: %v -> %v", err)
+	log.Trace(fmt.Sprintf("host lookup: %v -> %v", hostPort, contentHash))
 	return contentHash[:], err
 }
 func Parse(uri string) (hostPort, path string) {
@@ -110,7 +109,7 @@ func Parse(uri string) (hostPort, path string) {
 			path = parts[i]
 		}
 	}
-	glog.V(logger.Debug).Infof("host: '%s', path '%s' requested.", hostPort, path)
+	log.Debug(fmt.Sprintf("host: '%s', path '%s' requested.", hostPort, path))
 	return
 }
 
@@ -118,7 +117,7 @@ func (self *Api) parseAndResolve(uri string, nameresolver bool) (key storage.Key
 	hostPort, path = Parse(uri)
 	//resolving host and port
 	contentHash, err := self.Resolve(hostPort, nameresolver)
-	glog.V(logger.Debug).Infof("Resolved '%s' to contentHash: '%s', path: '%s'", uri, contentHash, path)
+	log.Debug(fmt.Sprintf("Resolved '%s' to contentHash: '%s', path: '%s'", uri, contentHash, path))
 	return contentHash[:], hostPort, path, err
 }
 
@@ -152,11 +151,11 @@ func (self *Api) Get(uri string, nameresolver bool) (reader storage.LazySectionR
 	quitC := make(chan bool)
 	trie, err := loadManifest(self.dpa, key, quitC)
 	if err != nil {
-		glog.V(logger.Warn).Infof("loadManifestTrie error: %v", err)
+		log.Warn(fmt.Sprintf("loadManifestTrie error: %v", err))
 		return
 	}
 
-	glog.V(logger.Detail).Infof("getEntry(%s)", path)
+	log.Trace(fmt.Sprintf("getEntry(%s)", path))
 
 	entry, _ := trie.getEntry(path)
 
@@ -164,12 +163,12 @@ func (self *Api) Get(uri string, nameresolver bool) (reader storage.LazySectionR
 		key = common.Hex2Bytes(entry.Hash)
 		status = entry.Status
 		mimeType = entry.ContentType
-		glog.V(logger.Detail).Infof("content lookup key: '%v' (%v)", key, mimeType)
+		log.Trace(fmt.Sprintf("content lookup key: '%v' (%v)", key, mimeType))
 		reader = self.dpa.Retrieve(key)
 	} else {
 		status = http.StatusNotFound
 		err = fmt.Errorf("manifest entry for '%s' not found", path)
-		glog.V(logger.Warn).Infof("%v", err)
+		log.Warn(fmt.Sprintf("%v", err))
 	}
 	return
 }
diff --git a/swarm/api/api_test.go b/swarm/api/api_test.go
index b09811959..16e90dd32 100644
--- a/swarm/api/api_test.go
+++ b/swarm/api/api_test.go
@@ -17,13 +17,13 @@
 package api
 
 import (
+	"fmt"
 	"io"
 	"io/ioutil"
 	"os"
 	"testing"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -76,7 +76,7 @@ func checkResponse(t *testing.T, resp *testResponse, exp *Response) {
 
 // func expResponse(content []byte, mimeType string, status int) *Response {
 func expResponse(content string, mimeType string, status int) *Response {
-	glog.V(logger.Detail).Infof("expected content (%v): %v ", len(content), content)
+	log.Trace(fmt.Sprintf("expected content (%v): %v ", len(content), content))
 	return &Response{mimeType, status, int64(len(content)), content}
 }
 
@@ -91,7 +91,7 @@ func testGet(t *testing.T, api *Api, bzzhash string) *testResponse {
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)
 	}
-	glog.V(logger.Detail).Infof("reader size: %v ", size)
+	log.Trace(fmt.Sprintf("reader size: %v ", size))
 	s := make([]byte, size)
 	_, err = reader.Read(s)
 	if err != io.EOF {
diff --git a/swarm/api/filesystem.go b/swarm/api/filesystem.go
index 96aaf36df..c2583e265 100644
--- a/swarm/api/filesystem.go
+++ b/swarm/api/filesystem.go
@@ -26,8 +26,7 @@ import (
 	"sync"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -63,7 +62,7 @@ func (self *FileSystem) Upload(lpath, index string) (string, error) {
 	var start int
 	if stat.IsDir() {
 		start = len(localpath)
-		glog.V(logger.Debug).Infof("uploading '%s'", localpath)
+		log.Debug(fmt.Sprintf("uploading '%s'", localpath))
 		err = filepath.Walk(localpath, func(path string, info os.FileInfo, err error) error {
 			if (err == nil) && !info.IsDir() {
 				//fmt.Printf("lp %s  path %s\n", localpath, path)
@@ -198,7 +197,7 @@ func (self *FileSystem) Download(bzzpath, localpath string) error {
 	quitC := make(chan bool)
 	trie, err := loadManifest(self.api.dpa, key, quitC)
 	if err != nil {
-		glog.V(logger.Warn).Infof("fs.Download: loadManifestTrie error: %v", err)
+		log.Warn(fmt.Sprintf("fs.Download: loadManifestTrie error: %v", err))
 		return err
 	}
 
@@ -212,7 +211,7 @@ func (self *FileSystem) Download(bzzpath, localpath string) error {
 
 	prevPath := lpath
 	err = trie.listWithPrefix(path, quitC, func(entry *manifestTrieEntry, suffix string) {
-		glog.V(logger.Detail).Infof("fs.Download: %#v", entry)
+		log.Trace(fmt.Sprintf("fs.Download: %#v", entry))
 
 		key = common.Hex2Bytes(entry.Hash)
 		path := lpath + "/" + suffix
diff --git a/swarm/api/http/roundtripper.go b/swarm/api/http/roundtripper.go
index 7b5bbc883..328177a21 100644
--- a/swarm/api/http/roundtripper.go
+++ b/swarm/api/http/roundtripper.go
@@ -20,8 +20,7 @@ import (
 	"fmt"
 	"net/http"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 /*
@@ -58,7 +57,7 @@ func (self *RoundTripper) RoundTrip(req *http.Request) (resp *http.Response, err
 		host = "localhost"
 	}
 	url := fmt.Sprintf("http://%s:%s/%s:/%s/%s", host, self.Port, req.Proto, req.URL.Host, req.URL.Path)
-	glog.V(logger.Info).Infof("roundtripper: proxying request '%s' to '%s'", req.RequestURI, url)
+	log.Info(fmt.Sprintf("roundtripper: proxying request '%s' to '%s'", req.RequestURI, url))
 	reqProxy, err := http.NewRequest(req.Method, url, req.Body)
 	if err != nil {
 		return nil, err
diff --git a/swarm/api/http/server.go b/swarm/api/http/server.go
index afd867efc..a61696678 100644
--- a/swarm/api/http/server.go
+++ b/swarm/api/http/server.go
@@ -21,6 +21,7 @@ package http
 
 import (
 	"bytes"
+	"fmt"
 	"io"
 	"net/http"
 	"regexp"
@@ -29,8 +30,7 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/api"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 	"github.com/rs/cors"
@@ -86,7 +86,7 @@ func StartHttpServer(api *api.Api, server *Server) {
 	hdlr := c.Handler(serveMux)
 
 	go http.ListenAndServe(server.Addr, hdlr)
-	glog.V(logger.Info).Infof("Swarm HTTP proxy started on localhost:%s", server.Addr)
+	log.Info(fmt.Sprintf("Swarm HTTP proxy started on localhost:%s", server.Addr))
 }
 
 func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
@@ -100,13 +100,13 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 	//			return
 	//		}
 	//	}
-	glog.V(logger.Debug).Infof("HTTP %s request URL: '%s', Host: '%s', Path: '%s', Referer: '%s', Accept: '%s'", r.Method, r.RequestURI, requestURL.Host, requestURL.Path, r.Referer(), r.Header.Get("Accept"))
+	log.Debug(fmt.Sprintf("HTTP %s request URL: '%s', Host: '%s', Path: '%s', Referer: '%s', Accept: '%s'", r.Method, r.RequestURI, requestURL.Host, requestURL.Path, r.Referer(), r.Header.Get("Accept")))
 	uri := requestURL.Path
 	var raw, nameresolver bool
 	var proto string
 
 	// HTTP-based URL protocol handler
-	glog.V(logger.Debug).Infof("BZZ request URI: '%s'", uri)
+	log.Debug(fmt.Sprintf("BZZ request URI: '%s'", uri))
 
 	path := bzzPrefix.ReplaceAllStringFunc(uri, func(p string) string {
 		proto = p
@@ -115,24 +115,18 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 
 	// protocol identification (ugly)
 	if proto == "" {
-		if glog.V(logger.Error) {
-			glog.Errorf(
-				"[BZZ] Swarm: Protocol error in request `%s`.",
-				uri,
-			)
-			http.Error(w, "Invalid request URL: need access protocol (bzz:/, bzzr:/, bzzi:/) as first element in path.", http.StatusBadRequest)
-			return
-		}
+		log.Error(fmt.Sprintf("[BZZ] Swarm: Protocol error in request `%s`.", uri))
+		http.Error(w, "Invalid request URL: need access protocol (bzz:/, bzzr:/, bzzi:/) as first element in path.", http.StatusBadRequest)
+		return
 	}
 	if len(proto) > 4 {
 		raw = proto[1:5] == "bzzr"
 		nameresolver = proto[1:5] != "bzzi"
 	}
 
-	glog.V(logger.Debug).Infof(
-		"[BZZ] Swarm: %s request over protocol %s '%s' received.",
-		r.Method, proto, path,
-	)
+	log.Debug("", "msg", log.Lazy{Fn: func() string {
+		return fmt.Sprintf("[BZZ] Swarm: %s request over protocol %s '%s' received.", r.Method, proto, path)
+	}})
 
 	switch {
 	case r.Method == "POST" || r.Method == "PUT":
@@ -142,7 +136,7 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 		}
 		key, err := a.Store(io.LimitReader(r.Body, r.ContentLength), r.ContentLength, nil)
 		if err == nil {
-			glog.V(logger.Debug).Infof("Content for %v stored", key.Log())
+			log.Debug(fmt.Sprintf("Content for %v stored", key.Log()))
 		} else {
 			http.Error(w, err.Error(), http.StatusBadRequest)
 			return
@@ -164,10 +158,10 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 				path = api.RegularSlashes(path)
 				mime := r.Header.Get("Content-Type")
 				// TODO proper root hash separation
-				glog.V(logger.Debug).Infof("Modify '%s' to store %v as '%s'.", path, key.Log(), mime)
+				log.Debug(fmt.Sprintf("Modify '%s' to store %v as '%s'.", path, key.Log(), mime))
 				newKey, err := a.Modify(path, common.Bytes2Hex(key), mime, nameresolver)
 				if err == nil {
-					glog.V(logger.Debug).Infof("Swarm replaced manifest by '%s'", newKey)
+					log.Debug(fmt.Sprintf("Swarm replaced manifest by '%s'", newKey))
 					w.Header().Set("Content-Type", "text/plain")
 					http.ServeContent(w, r, "", time.Now(), bytes.NewReader([]byte(newKey)))
 				} else {
@@ -182,10 +176,10 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 			return
 		} else {
 			path = api.RegularSlashes(path)
-			glog.V(logger.Debug).Infof("Delete '%s'.", path)
+			log.Debug(fmt.Sprintf("Delete '%s'.", path))
 			newKey, err := a.Modify(path, "", "", nameresolver)
 			if err == nil {
-				glog.V(logger.Debug).Infof("Swarm replaced manifest by '%s'", newKey)
+				log.Debug(fmt.Sprintf("Swarm replaced manifest by '%s'", newKey))
 				w.Header().Set("Content-Type", "text/plain")
 				http.ServeContent(w, r, "", time.Now(), bytes.NewReader([]byte(newKey)))
 			} else {
@@ -206,7 +200,7 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 			if parsedurl == path {
 				key, err := a.Resolve(parsedurl, nameresolver)
 				if err != nil {
-					glog.V(logger.Error).Infof("%v", err)
+					log.Error(fmt.Sprintf("%v", err))
 					http.Error(w, err.Error(), http.StatusBadRequest)
 					return
 				}
@@ -226,12 +220,12 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 			quitC := make(chan bool)
 			size, err := reader.Size(quitC)
 			if err != nil {
-				glog.V(logger.Debug).Infof("Could not determine size: %v", err.Error())
+				log.Debug(fmt.Sprintf("Could not determine size: %v", err.Error()))
 				//An error on call to Size means we don't have the root chunk
 				http.Error(w, err.Error(), http.StatusNotFound)
 				return
 			}
-			glog.V(logger.Debug).Infof("Reading %d bytes.", size)
+			log.Debug(fmt.Sprintf("Reading %d bytes.", size))
 
 			// setting mime type
 			qv := requestURL.Query()
@@ -242,11 +236,11 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 
 			w.Header().Set("Content-Type", mimeType)
 			http.ServeContent(w, r, uri, forever(), reader)
-			glog.V(logger.Debug).Infof("Serve raw content '%s' (%d bytes) as '%s'", uri, size, mimeType)
+			log.Debug(fmt.Sprintf("Serve raw content '%s' (%d bytes) as '%s'", uri, size, mimeType))
 
 			// retrieve path via manifest
 		} else {
-			glog.V(logger.Debug).Infof("Structured GET request '%s' received.", uri)
+			log.Debug(fmt.Sprintf("Structured GET request '%s' received.", uri))
 			// add trailing slash, if missing
 			if rootDocumentUri.MatchString(uri) {
 				http.Redirect(w, r, path+"/", http.StatusFound)
@@ -255,10 +249,10 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 			reader, mimeType, status, err := a.Get(path, nameresolver)
 			if err != nil {
 				if _, ok := err.(api.ErrResolve); ok {
-					glog.V(logger.Debug).Infof("%v", err)
+					log.Debug(fmt.Sprintf("%v", err))
 					status = http.StatusBadRequest
 				} else {
-					glog.V(logger.Debug).Infof("error retrieving '%s': %v", uri, err)
+					log.Debug(fmt.Sprintf("error retrieving '%s': %v", uri, err))
 					status = http.StatusNotFound
 				}
 				http.Error(w, err.Error(), status)
@@ -274,12 +268,12 @@ func handler(w http.ResponseWriter, r *http.Request, a *api.Api) {
 			quitC := make(chan bool)
 			size, err := reader.Size(quitC)
 			if err != nil {
-				glog.V(logger.Debug).Infof("Could not determine size: %v", err.Error())
+				log.Debug(fmt.Sprintf("Could not determine size: %v", err.Error()))
 				//An error on call to Size means we don't have the root chunk
 				http.Error(w, err.Error(), http.StatusNotFound)
 				return
 			}
-			glog.V(logger.Debug).Infof("Served '%s' (%d bytes) as '%s' (status code: %v)", uri, size, mimeType, status)
+			log.Debug(fmt.Sprintf("Served '%s' (%d bytes) as '%s' (status code: %v)", uri, size, mimeType, status))
 
 			http.ServeContent(w, r, path, forever(), reader)
 
@@ -293,13 +287,11 @@ func (self *sequentialReader) ReadAt(target []byte, off int64) (n int, err error
 	self.lock.Lock()
 	// assert self.pos <= off
 	if self.pos > off {
-		glog.V(logger.Error).Infof("non-sequential read attempted from sequentialReader; %d > %d",
-			self.pos, off)
+		log.Error(fmt.Sprintf("non-sequential read attempted from sequentialReader; %d > %d", self.pos, off))
 		panic("Non-sequential read attempt")
 	}
 	if self.pos != off {
-		glog.V(logger.Debug).Infof("deferred read in POST at position %d, offset %d.",
-			self.pos, off)
+		log.Debug(fmt.Sprintf("deferred read in POST at position %d, offset %d.", self.pos, off))
 		wait := make(chan bool)
 		self.ahead[off] = wait
 		self.lock.Unlock()
@@ -315,10 +307,9 @@ func (self *sequentialReader) ReadAt(target []byte, off int64) (n int, err error
 	for localPos < len(target) {
 		n, err = self.reader.Read(target[localPos:])
 		localPos += n
-		glog.V(logger.Debug).Infof("Read %d bytes into buffer size %d from POST, error %v.",
-			n, len(target), err)
+		log.Debug(fmt.Sprintf("Read %d bytes into buffer size %d from POST, error %v.", n, len(target), err))
 		if err != nil {
-			glog.V(logger.Debug).Infof("POST stream's reading terminated with %v.", err)
+			log.Debug(fmt.Sprintf("POST stream's reading terminated with %v.", err))
 			for i := range self.ahead {
 				self.ahead[i] <- true
 				delete(self.ahead, i)
@@ -330,8 +321,7 @@ func (self *sequentialReader) ReadAt(target []byte, off int64) (n int, err error
 	}
 	wait := self.ahead[self.pos]
 	if wait != nil {
-		glog.V(logger.Debug).Infof("deferred read in POST at position %d triggered.",
-			self.pos)
+		log.Debug(fmt.Sprintf("deferred read in POST at position %d triggered.", self.pos))
 		delete(self.ahead, self.pos)
 		close(wait)
 	}
diff --git a/swarm/api/manifest.go b/swarm/api/manifest.go
index 36c0b0436..199f259e1 100644
--- a/swarm/api/manifest.go
+++ b/swarm/api/manifest.go
@@ -23,8 +23,7 @@ import (
 	"sync"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -52,7 +51,7 @@ type manifestTrieEntry struct {
 
 func loadManifest(dpa *storage.DPA, hash storage.Key, quitC chan bool) (trie *manifestTrie, err error) { // non-recursive, subtrees are downloaded on-demand
 
-	glog.V(logger.Detail).Infof("manifest lookup key: '%v'.", hash.Log())
+	log.Trace(fmt.Sprintf("manifest lookup key: '%v'.", hash.Log()))
 	// retrieve manifest via DPA
 	manifestReader := dpa.Retrieve(hash)
 	return readManifest(manifestReader, hash, dpa, quitC)
@@ -70,23 +69,23 @@ func readManifest(manifestReader storage.LazySectionReader, hash storage.Key, dp
 	manifestData := make([]byte, size)
 	read, err := manifestReader.Read(manifestData)
 	if int64(read) < size {
-		glog.V(logger.Detail).Infof("Manifest %v not found.", hash.Log())
+		log.Trace(fmt.Sprintf("Manifest %v not found.", hash.Log()))
 		if err == nil {
 			err = fmt.Errorf("Manifest retrieval cut short: read %v, expect %v", read, size)
 		}
 		return
 	}
 
-	glog.V(logger.Detail).Infof("Manifest %v retrieved", hash.Log())
+	log.Trace(fmt.Sprintf("Manifest %v retrieved", hash.Log()))
 	man := manifestJSON{}
 	err = json.Unmarshal(manifestData, &man)
 	if err != nil {
 		err = fmt.Errorf("Manifest %v is malformed: %v", hash.Log(), err)
-		glog.V(logger.Detail).Infof("%v", err)
+		log.Trace(fmt.Sprintf("%v", err))
 		return
 	}
 
-	glog.V(logger.Detail).Infof("Manifest %v has %d entries.", hash.Log(), len(man.Entries))
+	log.Trace(fmt.Sprintf("Manifest %v has %d entries.", hash.Log(), len(man.Entries)))
 
 	trie = &manifestTrie{
 		dpa: dpa,
@@ -286,7 +285,7 @@ func (self *manifestTrie) listWithPrefix(prefix string, quitC chan bool, cb func
 
 func (self *manifestTrie) findPrefixOf(path string, quitC chan bool) (entry *manifestTrieEntry, pos int) {
 
-	glog.V(logger.Detail).Infof("findPrefixOf(%s)", path)
+	log.Trace(fmt.Sprintf("findPrefixOf(%s)", path))
 
 	if len(path) == 0 {
 		return self.entries[256], 0
@@ -298,9 +297,9 @@ func (self *manifestTrie) findPrefixOf(path string, quitC chan bool) (entry *man
 		return self.entries[256], 0
 	}
 	epl := len(entry.Path)
-	glog.V(logger.Detail).Infof("path = %v  entry.Path = %v  epl = %v", path, entry.Path, epl)
+	log.Trace(fmt.Sprintf("path = %v  entry.Path = %v  epl = %v", path, entry.Path, epl))
 	if (len(path) >= epl) && (path[:epl] == entry.Path) {
-		glog.V(logger.Detail).Infof("entry.ContentType = %v", entry.ContentType)
+		log.Trace(fmt.Sprintf("entry.ContentType = %v", entry.ContentType))
 		if entry.ContentType == manifestType {
 			err := self.loadSubTrie(entry, quitC)
 			if err != nil {
diff --git a/swarm/network/depo.go b/swarm/network/depo.go
index 454a57270..e76bfa66c 100644
--- a/swarm/network/depo.go
+++ b/swarm/network/depo.go
@@ -19,10 +19,10 @@ package network
 import (
 	"bytes"
 	"encoding/binary"
+	"fmt"
 	"time"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -60,8 +60,8 @@ func (self *Depo) HandleUnsyncedKeysMsg(req *unsyncedKeysMsgData, p *peer) error
 			missing = append(missing, req)
 		}
 	}
-	glog.V(logger.Debug).Infof("Depo.HandleUnsyncedKeysMsg: received %v unsynced keys: %v missing. new state: %v", len(unsynced), len(missing), req.State)
-	glog.V(logger.Detail).Infof("Depo.HandleUnsyncedKeysMsg: received %v", unsynced)
+	log.Debug(fmt.Sprintf("Depo.HandleUnsyncedKeysMsg: received %v unsynced keys: %v missing. new state: %v", len(unsynced), len(missing), req.State))
+	log.Trace(fmt.Sprintf("Depo.HandleUnsyncedKeysMsg: received %v", unsynced))
 	// send delivery request with missing keys
 	err = p.deliveryRequest(missing)
 	if err != nil {
@@ -81,7 +81,7 @@ func (self *Depo) HandleUnsyncedKeysMsg(req *unsyncedKeysMsgData, p *peer) error
 func (self *Depo) HandleDeliveryRequestMsg(req *deliveryRequestMsgData, p *peer) error {
 	deliver := req.Deliver
 	// queue the actual delivery of a chunk ()
-	glog.V(logger.Detail).Infof("Depo.HandleDeliveryRequestMsg: received %v delivery requests: %v", len(deliver), deliver)
+	log.Trace(fmt.Sprintf("Depo.HandleDeliveryRequestMsg: received %v delivery requests: %v", len(deliver), deliver))
 	for _, sreq := range deliver {
 		// TODO: look up in cache here or in deliveries
 		// priorities are taken from the message so the remote party can
@@ -104,29 +104,29 @@ func (self *Depo) HandleStoreRequestMsg(req *storeRequestMsgData, p *peer) {
 	chunk, err := self.localStore.Get(req.Key)
 	switch {
 	case err != nil:
-		glog.V(logger.Detail).Infof("Depo.handleStoreRequest: %v not found locally. create new chunk/request", req.Key)
+		log.Trace(fmt.Sprintf("Depo.handleStoreRequest: %v not found locally. create new chunk/request", req.Key))
 		// not found in memory cache, ie., a genuine store request
 		// create chunk
 		chunk = storage.NewChunk(req.Key, nil)
 
 	case chunk.SData == nil:
 		// found chunk in memory store, needs the data, validate now
-		glog.V(logger.Detail).Infof("Depo.HandleStoreRequest: %v. request entry found", req)
+		log.Trace(fmt.Sprintf("Depo.HandleStoreRequest: %v. request entry found", req))
 
 	default:
 		// data is found, store request ignored
 		// this should update access count?
-		glog.V(logger.Detail).Infof("Depo.HandleStoreRequest: %v found locally. ignore.", req)
+		log.Trace(fmt.Sprintf("Depo.HandleStoreRequest: %v found locally. ignore.", req))
 		islocal = true
 		//return
 	}
-	
+
 	hasher := self.hashfunc()
 	hasher.Write(req.SData)
 	if !bytes.Equal(hasher.Sum(nil), req.Key) {
 		// data does not validate, ignore
 		// TODO: peer should be penalised/dropped?
-		glog.V(logger.Warn).Infof("Depo.HandleStoreRequest: chunk invalid. store request ignored: %v", req)
+		log.Warn(fmt.Sprintf("Depo.HandleStoreRequest: chunk invalid. store request ignored: %v", req))
 		return
 	}
 
@@ -136,7 +136,7 @@ func (self *Depo) HandleStoreRequestMsg(req *storeRequestMsgData, p *peer) {
 	// update chunk with size and data
 	chunk.SData = req.SData // protocol validates that SData is minimum 9 bytes long (int64 size  + at least one byte of data)
 	chunk.Size = int64(binary.LittleEndian.Uint64(req.SData[0:8]))
-	glog.V(logger.Detail).Infof("delivery of %v from %v", chunk, p)
+	log.Trace(fmt.Sprintf("delivery of %v from %v", chunk, p))
 	chunk.Source = p
 	self.netStore.Put(chunk)
 }
@@ -152,7 +152,7 @@ func (self *Depo) HandleRetrieveRequestMsg(req *retrieveRequestMsgData, p *peer)
 		err = p.swap.Add(1)
 	}
 	if err != nil {
-		glog.V(logger.Warn).Infof("Depo.HandleRetrieveRequest: %v - cannot process request: %v", req.Key.Log(), err)
+		log.Warn(fmt.Sprintf("Depo.HandleRetrieveRequest: %v - cannot process request: %v", req.Key.Log(), err))
 		return
 	}
 
@@ -163,7 +163,7 @@ func (self *Depo) HandleRetrieveRequestMsg(req *retrieveRequestMsgData, p *peer)
 	req = self.strategyUpdateRequest(chunk.Req, req)
 	// check if we can immediately deliver
 	if chunk.SData != nil {
-		glog.V(logger.Detail).Infof("Depo.HandleRetrieveRequest: %v - content found, delivering...", req.Key.Log())
+		log.Trace(fmt.Sprintf("Depo.HandleRetrieveRequest: %v - content found, delivering...", req.Key.Log()))
 
 		if req.MaxSize == 0 || int64(req.MaxSize) >= chunk.Size {
 			sreq := &storeRequestMsgData{
@@ -174,16 +174,16 @@ func (self *Depo) HandleRetrieveRequestMsg(req *retrieveRequestMsgData, p *peer)
 			}
 			p.syncer.addRequest(sreq, DeliverReq)
 		} else {
-			glog.V(logger.Detail).Infof("Depo.HandleRetrieveRequest: %v - content found, not wanted", req.Key.Log())
+			log.Trace(fmt.Sprintf("Depo.HandleRetrieveRequest: %v - content found, not wanted", req.Key.Log()))
 		}
 	} else {
-		glog.V(logger.Detail).Infof("Depo.HandleRetrieveRequest: %v - content not found locally. asked swarm for help. will get back", req.Key.Log())
+		log.Trace(fmt.Sprintf("Depo.HandleRetrieveRequest: %v - content not found locally. asked swarm for help. will get back", req.Key.Log()))
 	}
 }
 
 // add peer request the chunk and decides the timeout for the response if still searching
 func (self *Depo) strategyUpdateRequest(rs *storage.RequestStatus, origReq *retrieveRequestMsgData) (req *retrieveRequestMsgData) {
-	glog.V(logger.Detail).Infof("Depo.strategyUpdateRequest: key %v", origReq.Key.Log())
+	log.Trace(fmt.Sprintf("Depo.strategyUpdateRequest: key %v", origReq.Key.Log()))
 	// we do not create an alternative one
 	req = origReq
 	if rs != nil {
@@ -211,7 +211,7 @@ only add if less than requesterCount peers forwarded the same request id so far
 note this is done irrespective of status (searching or found)
 */
 func (self *Depo) addRequester(rs *storage.RequestStatus, req *retrieveRequestMsgData) {
-	glog.V(logger.Detail).Infof("Depo.addRequester: key %v - add peer to req.Id %v", req.Key.Log(), req.from, req.Id)
+	log.Trace(fmt.Sprintf("Depo.addRequester: key %v - add peer to req.Id %v", req.Key.Log(), req.Id))
 	list := rs.Requesters[req.Id]
 	rs.Requesters[req.Id] = append(list, req)
 }
diff --git a/swarm/network/forwarding.go b/swarm/network/forwarding.go
index fef79c70b..88a82a678 100644
--- a/swarm/network/forwarding.go
+++ b/swarm/network/forwarding.go
@@ -17,11 +17,11 @@
 package network
 
 import (
+	"fmt"
 	"math/rand"
 	"time"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -56,10 +56,10 @@ var searchTimeout = 3 * time.Second
 // logic propagating retrieve requests to peers given by the kademlia hive
 func (self *forwarder) Retrieve(chunk *storage.Chunk) {
 	peers := self.hive.getPeers(chunk.Key, 0)
-	glog.V(logger.Detail).Infof("forwarder.Retrieve: %v - received %d peers from KΛÐΞMLIΛ...", chunk.Key.Log(), len(peers))
+	log.Trace(fmt.Sprintf("forwarder.Retrieve: %v - received %d peers from KΛÐΞMLIΛ...", chunk.Key.Log(), len(peers)))
 OUT:
 	for _, p := range peers {
-		glog.V(logger.Detail).Infof("forwarder.Retrieve: sending retrieveRequest %v to peer [%v]", chunk.Key.Log(), p)
+		log.Trace(fmt.Sprintf("forwarder.Retrieve: sending retrieveRequest %v to peer [%v]", chunk.Key.Log(), p))
 		for _, recipients := range chunk.Req.Requesters {
 			for _, recipient := range recipients {
 				req := recipient.(*retrieveRequestMsgData)
@@ -80,7 +80,7 @@ OUT:
 			p.retrieve(req)
 			break OUT
 		}
-		glog.V(logger.Warn).Infof("forwarder.Retrieve: unable to send retrieveRequest to peer [%v]: %v", chunk.Key.Log(), err)
+		log.Warn(fmt.Sprintf("forwarder.Retrieve: unable to send retrieveRequest to peer [%v]: %v", chunk.Key.Log(), err))
 	}
 }
 
@@ -98,14 +98,14 @@ func (self *forwarder) Store(chunk *storage.Chunk) {
 		source = chunk.Source.(*peer)
 	}
 	for _, p := range self.hive.getPeers(chunk.Key, 0) {
-		glog.V(logger.Detail).Infof("forwarder.Store: %v %v", p, chunk)
+		log.Trace(fmt.Sprintf("forwarder.Store: %v %v", p, chunk))
 
 		if p.syncer != nil && (source == nil || p.Addr() != source.Addr()) {
 			n++
 			Deliver(p, msg, PropagateReq)
 		}
 	}
-	glog.V(logger.Detail).Infof("forwarder.Store: sent to %v peers (chunk = %v)", n, chunk)
+	log.Trace(fmt.Sprintf("forwarder.Store: sent to %v peers (chunk = %v)", n, chunk))
 }
 
 // once a chunk is found deliver it to its requesters unless timed out
@@ -123,7 +123,7 @@ func (self *forwarder) Deliver(chunk *storage.Chunk) {
 		for id, r := range requesters {
 			req = r.(*retrieveRequestMsgData)
 			if req.timeout == nil || req.timeout.After(time.Now()) {
-				glog.V(logger.Detail).Infof("forwarder.Deliver: %v -> %v", req.Id, req.from)
+				log.Trace(fmt.Sprintf("forwarder.Deliver: %v -> %v", req.Id, req.from))
 				msg.Id = uint64(id)
 				Deliver(req.from, msg, DeliverReq)
 				n++
@@ -133,7 +133,7 @@ func (self *forwarder) Deliver(chunk *storage.Chunk) {
 				}
 			}
 		}
-		glog.V(logger.Detail).Infof("forwarder.Deliver: submit chunk %v (request id %v) for delivery to %v peers", chunk.Key.Log(), id, n)
+		log.Trace(fmt.Sprintf("forwarder.Deliver: submit chunk %v (request id %v) for delivery to %v peers", chunk.Key.Log(), id, n))
 	}
 }
 
diff --git a/swarm/network/hive.go b/swarm/network/hive.go
index f81761b97..70652c450 100644
--- a/swarm/network/hive.go
+++ b/swarm/network/hive.go
@@ -23,8 +23,7 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p/discover"
 	"github.com/ethereum/go-ethereum/p2p/netutil"
 	"github.com/ethereum/go-ethereum/swarm/network/kademlia"
@@ -129,7 +128,7 @@ func (self *Hive) Start(id discover.NodeID, listenAddr func() string, connectPee
 	self.listenAddr = listenAddr
 	err = self.kad.Load(self.path, nil)
 	if err != nil {
-		glog.V(logger.Warn).Infof("Warning: error reading kaddb '%s' (skipping): %v", self.path, err)
+		log.Warn(fmt.Sprintf("Warning: error reading kaddb '%s' (skipping): %v", self.path, err))
 		err = nil
 	}
 	// this loop is doing bootstrapping and maintains a healthy table
@@ -145,7 +144,7 @@ func (self *Hive) Start(id discover.NodeID, listenAddr func() string, connectPee
 			node, need, proxLimit := self.kad.Suggest()
 
 			if node != nil && len(node.Url) > 0 {
-				glog.V(logger.Detail).Infof("call known bee %v", node.Url)
+				log.Trace(fmt.Sprintf("call known bee %v", node.Url))
 				// enode or any lower level connection address is unnecessary in future
 				// discovery table is used to look it up.
 				connectPeer(node.Url)
@@ -159,21 +158,21 @@ func (self *Hive) Start(id discover.NodeID, listenAddr func() string, connectPee
 					req := &retrieveRequestMsgData{
 						Key: storage.Key(randAddr[:]),
 					}
-					glog.V(logger.Detail).Infof("call any bee near %v (PO%03d) - messenger bee: %v", randAddr, proxLimit, peers[0])
+					log.Trace(fmt.Sprintf("call any bee near %v (PO%03d) - messenger bee: %v", randAddr, proxLimit, peers[0]))
 					peers[0].(*peer).retrieve(req)
 				} else {
-					glog.V(logger.Warn).Infof("no peer")
+					log.Warn(fmt.Sprintf("no peer"))
 				}
-				glog.V(logger.Detail).Infof("buzz kept alive")
+				log.Trace(fmt.Sprintf("buzz kept alive"))
 			} else {
-				glog.V(logger.Info).Infof("no need for more bees")
+				log.Info(fmt.Sprintf("no need for more bees"))
 			}
 			select {
 			case self.toggle <- need:
 			case <-self.quit:
 				return
 			}
-			glog.V(logger.Debug).Infof("queen's address: %v, population: %d (%d)", self.addr, self.kad.Count(), self.kad.DBCount())
+			log.Debug(fmt.Sprintf("queen's address: %v, population: %d (%d)", self.addr, self.kad.Count(), self.kad.DBCount()))
 		}
 	}()
 	return
@@ -192,7 +191,7 @@ func (self *Hive) keepAlive() {
 			if self.kad.DBCount() > 0 {
 				select {
 				case self.more <- true:
-					glog.V(logger.Debug).Infof("buzz wakeup")
+					log.Debug(fmt.Sprintf("buzz wakeup"))
 				default:
 				}
 			}
@@ -224,7 +223,7 @@ func (self *Hive) addPeer(p *peer) error {
 		default:
 		}
 	}()
-	glog.V(logger.Detail).Infof("hi new bee %v", p)
+	log.Trace(fmt.Sprintf("hi new bee %v", p))
 	err := self.kad.On(p, loadSync)
 	if err != nil {
 		return err
@@ -235,21 +234,21 @@ func (self *Hive) addPeer(p *peer) error {
 	// to send the 6 byte self lookup
 	// we do not record as request or forward it, just reply with peers
 	p.retrieve(&retrieveRequestMsgData{})
-	glog.V(logger.Detail).Infof("'whatsup wheresdaparty' sent to %v", p)
+	log.Trace(fmt.Sprintf("'whatsup wheresdaparty' sent to %v", p))
 
 	return nil
 }
 
 // called after peer disconnected
 func (self *Hive) removePeer(p *peer) {
-	glog.V(logger.Debug).Infof("bee %v removed", p)
+	log.Debug(fmt.Sprintf("bee %v removed", p))
 	self.kad.Off(p, saveSync)
 	select {
 	case self.more <- true:
 	default:
 	}
 	if self.kad.Count() == 0 {
-		glog.V(logger.Debug).Infof("empty, all bees gone")
+		log.Debug(fmt.Sprintf("empty, all bees gone"))
 	}
 }
 
@@ -265,7 +264,7 @@ func (self *Hive) getPeers(target storage.Key, max int) (peers []*peer) {
 
 // disconnects all the peers
 func (self *Hive) DropAll() {
-	glog.V(logger.Info).Infof("dropping all bees")
+	log.Info(fmt.Sprintf("dropping all bees"))
 	for _, node := range self.kad.FindClosest(kademlia.Address{}, 0) {
 		node.Drop()
 	}
@@ -290,7 +289,7 @@ func (self *Hive) HandlePeersMsg(req *peersMsgData, from *peer) {
 	var nrs []*kademlia.NodeRecord
 	for _, p := range req.Peers {
 		if err := netutil.CheckRelayIP(from.remoteAddr.IP, p.IP); err != nil {
-			glog.V(logger.Detail).Infof("invalid peer IP %v from %v: %v", from.remoteAddr.IP, p.IP, err)
+			log.Trace(fmt.Sprintf("invalid peer IP %v from %v: %v", from.remoteAddr.IP, p.IP, err))
 			continue
 		}
 		nrs = append(nrs, newNodeRecord(p))
@@ -326,7 +325,7 @@ func loadSync(record *kademlia.NodeRecord, node kademlia.Node) error {
 		return fmt.Errorf("invalid type")
 	}
 	if record.Meta == nil {
-		glog.V(logger.Debug).Infof("no sync state for node record %v setting default", record)
+		log.Debug(fmt.Sprintf("no sync state for node record %v setting default", record))
 		p.syncState = &syncState{DbSyncState: &storage.DbSyncState{}}
 		return nil
 	}
@@ -334,7 +333,7 @@ func loadSync(record *kademlia.NodeRecord, node kademlia.Node) error {
 	if err != nil {
 		return fmt.Errorf("error decoding kddb record meta info into a sync state: %v", err)
 	}
-	glog.V(logger.Detail).Infof("sync state for node record %v read from Meta: %s", record, string(*(record.Meta)))
+	log.Trace(fmt.Sprintf("sync state for node record %v read from Meta: %s", record, string(*(record.Meta))))
 	p.syncState = state
 	return err
 }
@@ -344,10 +343,10 @@ func saveSync(record *kademlia.NodeRecord, node kademlia.Node) {
 	if p, ok := node.(*peer); ok {
 		meta, err := encodeSync(p.syncState)
 		if err != nil {
-			glog.V(logger.Warn).Infof("error saving sync state for %v: %v", node, err)
+			log.Warn(fmt.Sprintf("error saving sync state for %v: %v", node, err))
 			return
 		}
-		glog.V(logger.Detail).Infof("saved sync state for %v: %s", node, string(*meta))
+		log.Trace(fmt.Sprintf("saved sync state for %v: %s", node, string(*meta)))
 		record.Meta = meta
 	}
 }
@@ -370,7 +369,7 @@ func (self *Hive) peers(req *retrieveRequestMsgData) {
 			for _, peer := range self.getPeers(key, int(req.MaxPeers)) {
 				addrs = append(addrs, peer.remoteAddr)
 			}
-			glog.V(logger.Debug).Infof("Hive sending %d peer addresses to %v. req.Id: %v, req.Key: %v", len(addrs), req.from, req.Id, req.Key.Log())
+			log.Debug(fmt.Sprintf("Hive sending %d peer addresses to %v. req.Id: %v, req.Key: %v", len(addrs), req.from, req.Id, req.Key.Log()))
 
 			peersData := &peersMsgData{
 				Peers: addrs,
diff --git a/swarm/network/kademlia/kaddb.go b/swarm/network/kademlia/kaddb.go
index 53a7db451..3e4b261fd 100644
--- a/swarm/network/kademlia/kaddb.go
+++ b/swarm/network/kademlia/kaddb.go
@@ -24,8 +24,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 type NodeData interface {
@@ -88,12 +87,12 @@ func (self *KadDb) findOrCreate(index int, a Address, url string) *NodeRecord {
 			Addr: a,
 			Url:  url,
 		}
-		glog.V(logger.Info).Infof("add new record %v to kaddb", record)
+		log.Info(fmt.Sprintf("add new record %v to kaddb", record))
 		// insert in kaddb
 		self.index[a] = record
 		self.Nodes[index] = append(self.Nodes[index], record)
 	} else {
-		glog.V(logger.Info).Infof("found record %v in kaddb", record)
+		log.Info(fmt.Sprintf("found record %v in kaddb", record))
 	}
 	// update last seen time
 	record.setSeen()
@@ -121,13 +120,13 @@ func (self *KadDb) add(nrs []*NodeRecord, proximityBin func(Address) int) {
 			copy(newnodes[:], nodes[:dbcursor])
 			newnodes[dbcursor] = node
 			copy(newnodes[dbcursor+1:], nodes[dbcursor:])
-			glog.V(logger.Detail).Infof("new nodes: %v (keys: %v)\nnodes: %v", newnodes, nodes)
+			log.Trace(fmt.Sprintf("new nodes: %v, nodes: %v", newnodes, nodes))
 			self.Nodes[index] = newnodes
 			n++
 		}
 	}
 	if n > 0 {
-		glog.V(logger.Debug).Infof("%d/%d node records (new/known)", n, len(nrs))
+		log.Debug(fmt.Sprintf("%d/%d node records (new/known)", n, len(nrs)))
 	}
 }
 
@@ -207,13 +206,13 @@ func (self *KadDb) findBest(maxBinSize int, binSize func(int) int) (node *NodeRe
 
 				// skip already connected nodes
 				if node.node != nil {
-					glog.V(logger.Debug).Infof("kaddb record %v (PO%03d:%d/%d) already connected", node.Addr, po, cursor, len(dbrow))
+					log.Debug(fmt.Sprintf("kaddb record %v (PO%03d:%d/%d) already connected", node.Addr, po, cursor, len(dbrow)))
 					continue ROW
 				}
 
 				// if node is scheduled to connect
 				if time.Time(node.After).After(time.Now()) {
-					glog.V(logger.Debug).Infof("kaddb record %v (PO%03d:%d) skipped. seen at %v (%v ago), scheduled at %v", node.Addr, po, cursor, node.Seen, delta, node.After)
+					log.Debug(fmt.Sprintf("kaddb record %v (PO%03d:%d) skipped. seen at %v (%v ago), scheduled at %v", node.Addr, po, cursor, node.Seen, delta, node.After))
 					continue ROW
 				}
 
@@ -224,17 +223,17 @@ func (self *KadDb) findBest(maxBinSize int, binSize func(int) int) (node *NodeRe
 				if delta > self.purgeInterval {
 					// remove node
 					purge[cursor] = true
-					glog.V(logger.Debug).Infof("kaddb record %v (PO%03d:%d) unreachable since %v. Removed", node.Addr, po, cursor, node.Seen)
+					log.Debug(fmt.Sprintf("kaddb record %v (PO%03d:%d) unreachable since %v. Removed", node.Addr, po, cursor, node.Seen))
 					continue ROW
 				}
 
-				glog.V(logger.Debug).Infof("kaddb record %v (PO%03d:%d) ready to be tried. seen at %v (%v ago), scheduled at %v", node.Addr, po, cursor, node.Seen, delta, node.After)
+				log.Debug(fmt.Sprintf("kaddb record %v (PO%03d:%d) ready to be tried. seen at %v (%v ago), scheduled at %v", node.Addr, po, cursor, node.Seen, delta, node.After))
 
 				// scheduling next check
 				interval = time.Duration(delta * time.Duration(self.connRetryExp))
 				after = time.Now().Add(interval)
 
-				glog.V(logger.Debug).Infof("kaddb record %v (PO%03d:%d) selected as candidate connection %v. seen at %v (%v ago), selectable since %v, retry after %v (in %v)", node.Addr, po, cursor, rounds, node.Seen, delta, node.After, after, interval)
+				log.Debug(fmt.Sprintf("kaddb record %v (PO%03d:%d) selected as candidate connection %v. seen at %v (%v ago), selectable since %v, retry after %v (in %v)", node.Addr, po, cursor, rounds, node.Seen, delta, node.After, after, interval))
 				node.After = after
 				found = true
 			} // ROW
@@ -295,9 +294,9 @@ func (self *KadDb) save(path string, cb func(*NodeRecord, Node)) error {
 	}
 	err = ioutil.WriteFile(path, data, os.ModePerm)
 	if err != nil {
-		glog.V(logger.Warn).Infof("unable to save kaddb with %v nodes to %v: err", n, path, err)
+		log.Warn(fmt.Sprintf("unable to save kaddb with %v nodes to %v: %v", n, path, err))
 	} else {
-		glog.V(logger.Info).Infof("saved kaddb with %v nodes to %v", n, path)
+		log.Info(fmt.Sprintf("saved kaddb with %v nodes to %v", n, path))
 	}
 	return err
 }
@@ -338,7 +337,7 @@ func (self *KadDb) load(path string, cb func(*NodeRecord, Node) error) (err erro
 		}
 		self.delete(po, purge)
 	}
-	glog.V(logger.Info).Infof("loaded kaddb with %v nodes from %v", n, path)
+	log.Info(fmt.Sprintf("loaded kaddb with %v nodes from %v", n, path))
 
 	return
 }
diff --git a/swarm/network/kademlia/kademlia.go b/swarm/network/kademlia/kademlia.go
index 87c57cefe..8d731c038 100644
--- a/swarm/network/kademlia/kademlia.go
+++ b/swarm/network/kademlia/kademlia.go
@@ -23,8 +23,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 const (
@@ -117,7 +116,7 @@ func (self *Kademlia) DBCount() int {
 // On is the entry point called when a new nodes is added
 // unsafe in that node is not checked to be already active node (to be called once)
 func (self *Kademlia) On(node Node, cb func(*NodeRecord, Node) error) (err error) {
-	glog.V(logger.Warn).Infof("%v", self)
+	log.Warn(fmt.Sprintf("%v", self))
 	defer self.lock.Unlock()
 	self.lock.Lock()
 
@@ -126,11 +125,11 @@ func (self *Kademlia) On(node Node, cb func(*NodeRecord, Node) error) (err error
 
 	if cb != nil {
 		err = cb(record, node)
-		glog.V(logger.Detail).Infof("cb(%v, %v) ->%v", record, node, err)
+		log.Trace(fmt.Sprintf("cb(%v, %v) ->%v", record, node, err))
 		if err != nil {
 			return fmt.Errorf("unable to add node %v, callback error: %v", node.Addr(), err)
 		}
-		glog.V(logger.Debug).Infof("add node record %v with node %v", record, node)
+		log.Debug(fmt.Sprintf("add node record %v with node %v", record, node))
 	}
 
 	// insert in kademlia table of active nodes
@@ -139,7 +138,7 @@ func (self *Kademlia) On(node Node, cb func(*NodeRecord, Node) error) (err error
 	// TODO: give priority to peers with active traffic
 	if len(bucket) < self.BucketSize { // >= allows us to add peers beyond the bucketsize limitation
 		self.buckets[index] = append(bucket, node)
-		glog.V(logger.Debug).Infof("add node %v to table", node)
+		log.Debug(fmt.Sprintf("add node %v to table", node))
 		self.setProxLimit(index, true)
 		record.node = node
 		self.count++
@@ -159,10 +158,10 @@ func (self *Kademlia) On(node Node, cb func(*NodeRecord, Node) error) (err error
 		}
 	}
 	if replaced == nil {
-		glog.V(logger.Debug).Infof("all peers wanted, PO%03d bucket full", index)
+		log.Debug(fmt.Sprintf("all peers wanted, PO%03d bucket full", index))
 		return fmt.Errorf("bucket full")
 	}
-	glog.V(logger.Debug).Infof("node %v replaced by %v (idle for %v  > %v)", replaced, node, idle, self.MaxIdleInterval)
+	log.Debug(fmt.Sprintf("node %v replaced by %v (idle for %v  > %v)", replaced, node, idle, self.MaxIdleInterval))
 	replaced.Drop()
 	// actually replace in the row. When off(node) is called, the peer is no longer in the row
 	bucket[pos] = node
@@ -195,7 +194,7 @@ func (self *Kademlia) Off(node Node, cb func(*NodeRecord, Node)) (err error) {
 	}
 	record.node = nil
 	self.count--
-	glog.V(logger.Debug).Infof("remove node %v from table, population now is %v", node, self.count)
+	log.Debug(fmt.Sprintf("remove node %v from table, population now is %v", node, self.count))
 
 	return
 }
@@ -223,7 +222,7 @@ func (self *Kademlia) setProxLimit(r int, on bool) {
 			self.proxLimit++
 			curr = len(self.buckets[self.proxLimit])
 
-			glog.V(logger.Detail).Infof("proxbin contraction (size: %v, limit: %v, bin: %v)", self.proxSize, self.proxLimit, r)
+			log.Trace(fmt.Sprintf("proxbin contraction (size: %v, limit: %v, bin: %v)", self.proxSize, self.proxLimit, r))
 		}
 		return
 	}
@@ -237,7 +236,7 @@ func (self *Kademlia) setProxLimit(r int, on bool) {
 		//
 		self.proxLimit--
 		self.proxSize += len(self.buckets[self.proxLimit])
-		glog.V(logger.Detail).Infof("proxbin expansion (size: %v, limit: %v, bin: %v)", self.proxSize, self.proxLimit, r)
+		log.Trace(fmt.Sprintf("proxbin expansion (size: %v, limit: %v, bin: %v)", self.proxSize, self.proxLimit, r))
 	}
 }
 
@@ -257,7 +256,7 @@ func (self *Kademlia) FindClosest(target Address, max int) []Node {
 	po := self.proximityBin(target)
 	index := po
 	step := 1
-	glog.V(logger.Detail).Infof("serving %v nodes at %v (PO%02d)", max, index, po)
+	log.Trace(fmt.Sprintf("serving %v nodes at %v (PO%02d)", max, index, po))
 
 	// if max is set to 0, just want a full bucket, dynamic number
 	min := max
@@ -276,7 +275,7 @@ func (self *Kademlia) FindClosest(target Address, max int) []Node {
 			n++
 		}
 		// terminate if index reached the bottom or enough peers > min
-		glog.V(logger.Detail).Infof("add %v -> %v (PO%02d, PO%03d)", len(self.buckets[index]), n, index, po)
+		log.Trace(fmt.Sprintf("add %v -> %v (PO%02d, PO%03d)", len(self.buckets[index]), n, index, po))
 		if n >= min && (step < 0 || max == 0) {
 			break
 		}
@@ -287,7 +286,7 @@ func (self *Kademlia) FindClosest(target Address, max int) []Node {
 		}
 		index += step
 	}
-	glog.V(logger.Detail).Infof("serve %d (<=%d) nodes for target lookup %v (PO%03d)", n, max, target, po)
+	log.Trace(fmt.Sprintf("serve %d (<=%d) nodes for target lookup %v (PO%03d)", n, max, target, po))
 	return r.nodes
 }
 
diff --git a/swarm/network/protocol.go b/swarm/network/protocol.go
index 763fb0b8e..44787947c 100644
--- a/swarm/network/protocol.go
+++ b/swarm/network/protocol.go
@@ -38,8 +38,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/contracts/chequebook"
 	"github.com/ethereum/go-ethereum/errs"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/discover"
 	bzzswap "github.com/ethereum/go-ethereum/swarm/services/swap"
@@ -201,7 +200,7 @@ func run(requestDb *storage.LDBDatabase, depo StorageHandler, backend chequebook
 	// the main forever loop that handles incoming requests
 	for {
 		if self.hive.blockRead {
-			glog.V(logger.Warn).Infof("Cannot read network")
+			log.Warn(fmt.Sprintf("Cannot read network"))
 			time.Sleep(100 * time.Millisecond)
 			continue
 		}
@@ -221,7 +220,7 @@ func (self *bzz) Drop() {
 // one cycle of the main forever loop that handles and dispatches incoming messages
 func (self *bzz) handle() error {
 	msg, err := self.rw.ReadMsg()
-	glog.V(logger.Debug).Infof("<- %v", msg)
+	log.Debug(fmt.Sprintf("<- %v", msg))
 	if err != nil {
 		return err
 	}
@@ -236,7 +235,7 @@ func (self *bzz) handle() error {
 	case statusMsg:
 		// no extra status message allowed. The one needed already handled by
 		// handleStatus
-		glog.V(logger.Debug).Infof("Status message: %v", msg)
+		log.Debug(fmt.Sprintf("Status message: %v", msg))
 		return self.protoError(ErrExtraStatusMsg, "")
 
 	case storeRequestMsg:
@@ -250,7 +249,7 @@ func (self *bzz) handle() error {
 		}
 		// last Active time is set only when receiving chunks
 		self.lastActive = time.Now()
-		glog.V(logger.Detail).Infof("incoming store request: %s", req.String())
+		log.Trace(fmt.Sprintf("incoming store request: %s", req.String()))
 		// swap accounting is done within forwarding
 		self.storage.HandleStoreRequestMsg(&req, &peer{bzz: self})
 
@@ -263,7 +262,7 @@ func (self *bzz) handle() error {
 		req.from = &peer{bzz: self}
 		// if request is lookup and not to be delivered
 		if req.isLookup() {
-			glog.V(logger.Detail).Infof("self lookup for %v: responding with peers only...", req.from)
+			log.Trace(fmt.Sprintf("self lookup for %v: responding with peers only...", req.from))
 		} else if req.Key == nil {
 			return self.protoError(ErrDecode, "protocol handler: req.Key == nil || req.Timeout == nil")
 		} else {
@@ -281,7 +280,7 @@ func (self *bzz) handle() error {
 			return self.protoError(ErrDecode, "<- %v: %v", msg, err)
 		}
 		req.from = &peer{bzz: self}
-		glog.V(logger.Detail).Infof("<- peer addresses: %v", req)
+		log.Trace(fmt.Sprintf("<- peer addresses: %v", req))
 		self.hive.HandlePeersMsg(&req, &peer{bzz: self})
 
 	case syncRequestMsg:
@@ -289,7 +288,7 @@ func (self *bzz) handle() error {
 		if err := msg.Decode(&req); err != nil {
 			return self.protoError(ErrDecode, "<- %v: %v", msg, err)
 		}
-		glog.V(logger.Debug).Infof("<- sync request: %v", req)
+		log.Debug(fmt.Sprintf("<- sync request: %v", req))
 		self.lastActive = time.Now()
 		self.sync(req.SyncState)
 
@@ -299,7 +298,7 @@ func (self *bzz) handle() error {
 		if err := msg.Decode(&req); err != nil {
 			return self.protoError(ErrDecode, "<- %v: %v", msg, err)
 		}
-		glog.V(logger.Debug).Infof("<- unsynced keys : %s", req.String())
+		log.Debug(fmt.Sprintf("<- unsynced keys : %s", req.String()))
 		err := self.storage.HandleUnsyncedKeysMsg(&req, &peer{bzz: self})
 		self.lastActive = time.Now()
 		if err != nil {
@@ -313,7 +312,7 @@ func (self *bzz) handle() error {
 		if err := msg.Decode(&req); err != nil {
 			return self.protoError(ErrDecode, "<-msg %v: %v", msg, err)
 		}
-		glog.V(logger.Debug).Infof("<- delivery request: %s", req.String())
+		log.Debug(fmt.Sprintf("<- delivery request: %s", req.String()))
 		err := self.storage.HandleDeliveryRequestMsg(&req, &peer{bzz: self})
 		self.lastActive = time.Now()
 		if err != nil {
@@ -327,7 +326,7 @@ func (self *bzz) handle() error {
 			if err := msg.Decode(&req); err != nil {
 				return self.protoError(ErrDecode, "<- %v: %v", msg, err)
 			}
-			glog.V(logger.Debug).Infof("<- payment: %s", req.String())
+			log.Debug(fmt.Sprintf("<- payment: %s", req.String()))
 			self.swap.Receive(int(req.Units), req.Promise)
 		}
 
@@ -385,7 +384,7 @@ func (self *bzz) handleStatus() (err error) {
 	}
 
 	self.remoteAddr = self.peerAddr(status.Addr)
-	glog.V(logger.Detail).Infof("self: advertised IP: %v, peer advertised: %v, local address: %v\npeer: advertised IP: %v, remote address: %v\n", self.selfAddr(), self.remoteAddr, self.peer.LocalAddr(), status.Addr.IP, self.peer.RemoteAddr())
+	log.Trace(fmt.Sprintf("self: advertised IP: %v, peer advertised: %v, local address: %v\npeer: advertised IP: %v, remote address: %v\n", self.selfAddr(), self.remoteAddr, self.peer.LocalAddr(), status.Addr.IP, self.peer.RemoteAddr()))
 
 	if self.swapEnabled {
 		// set remote profile for accounting
@@ -395,14 +394,14 @@ func (self *bzz) handleStatus() (err error) {
 		}
 	}
 
-	glog.V(logger.Info).Infof("Peer %08x is capable (%d/%d)", self.remoteAddr.Addr[:4], status.Version, status.NetworkId)
+	log.Info(fmt.Sprintf("Peer %08x is capable (%d/%d)", self.remoteAddr.Addr[:4], status.Version, status.NetworkId))
 	err = self.hive.addPeer(&peer{bzz: self})
 	if err != nil {
 		return self.protoError(ErrUnwanted, "%v", err)
 	}
 
 	// hive sets syncstate so sync should start after node added
-	glog.V(logger.Info).Infof("syncronisation request sent with %v", self.syncState)
+	log.Info(fmt.Sprintf("syncronisation request sent with %v", self.syncState))
 	self.syncRequest()
 
 	return nil
@@ -421,7 +420,7 @@ func (self *bzz) sync(state *syncState) error {
 	// an explicitly received nil syncstate disables syncronisation
 	if state == nil {
 		self.syncEnabled = false
-		glog.V(logger.Warn).Infof("syncronisation disabled for peer %v", self)
+		log.Warn(fmt.Sprintf("syncronisation disabled for peer %v", self))
 		state = &syncState{DbSyncState: &storage.DbSyncState{}, Synced: true}
 	} else {
 		state.synced = make(chan bool)
@@ -430,7 +429,7 @@ func (self *bzz) sync(state *syncState) error {
 			state.Start = storage.Key(start[:])
 			state.Stop = storage.Key(stop[:])
 		}
-		glog.V(logger.Debug).Infof("syncronisation requested by peer %v at state %v", self, state)
+		log.Debug(fmt.Sprintf("syncronisation requested by peer %v at state %v", self, state))
 	}
 	var err error
 	self.syncer, err = newSyncer(
@@ -443,7 +442,7 @@ func (self *bzz) sync(state *syncState) error {
 	if err != nil {
 		return self.protoError(ErrSync, "%v", err)
 	}
-	glog.V(logger.Detail).Infof("syncer set for peer %v", self)
+	log.Trace(fmt.Sprintf("syncer set for peer %v", self))
 	return nil
 }
 
@@ -490,11 +489,11 @@ func (self *bzz) store(req *storeRequestMsgData) error {
 func (self *bzz) syncRequest() error {
 	req := &syncRequestMsgData{}
 	if self.hive.syncEnabled {
-		glog.V(logger.Debug).Infof("syncronisation request to peer %v at state %v", self, self.syncState)
+		log.Debug(fmt.Sprintf("syncronisation request to peer %v at state %v", self, self.syncState))
 		req.SyncState = self.syncState
 	}
 	if self.syncState == nil {
-		glog.V(logger.Warn).Infof("syncronisation disabled for peer %v at state %v", self, self.syncState)
+		log.Warn(fmt.Sprintf("syncronisation disabled for peer %v at state %v", self, self.syncState))
 	}
 	return self.send(syncRequestMsg, req)
 }
@@ -534,7 +533,7 @@ func (self *bzz) peers(req *peersMsgData) error {
 
 func (self *bzz) protoError(code int, format string, params ...interface{}) (err *errs.Error) {
 	err = self.errors.New(code, format, params...)
-	err.Log(glog.V(logger.Info))
+	log.Info(err.Error())
 	return
 }
 
@@ -542,7 +541,7 @@ func (self *bzz) send(msg uint64, data interface{}) error {
 	if self.hive.blockWrite {
 		return fmt.Errorf("network write blocked")
 	}
-	glog.V(logger.Detail).Infof("-> %v: %v (%T) to %v", msg, data, data, self)
+	log.Trace(fmt.Sprintf("-> %v: %v (%T) to %v", msg, data, data, self))
 	err := p2p.Send(self.rw, msg, data)
 	if err != nil {
 		self.Drop()
diff --git a/swarm/network/syncdb.go b/swarm/network/syncdb.go
index cef32610f..88b4b68dd 100644
--- a/swarm/network/syncdb.go
+++ b/swarm/network/syncdb.go
@@ -20,8 +20,7 @@ import (
 	"encoding/binary"
 	"fmt"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 	"github.com/syndtr/goleveldb/leveldb"
 	"github.com/syndtr/goleveldb/leveldb/iterator"
@@ -80,7 +79,7 @@ func newSyncDb(db *storage.LDBDatabase, key storage.Key, priority uint, bufferSi
 		batch:       make(chan chan int),
 		dbBatchSize: dbBatchSize,
 	}
-	glog.V(logger.Detail).Infof("syncDb[peer: %v, priority: %v] - initialised", key.Log(), priority)
+	log.Trace(fmt.Sprintf("syncDb[peer: %v, priority: %v] - initialised", key.Log(), priority))
 
 	// starts the main forever loop reading from buffer
 	go syncdb.bufferRead(deliver)
@@ -126,9 +125,9 @@ func (self *syncDb) bufferRead(deliver func(interface{}, chan bool) bool) {
 	var counter uint64
 	if err == nil {
 		counter = binary.BigEndian.Uint64(data)
-		glog.V(logger.Detail).Infof("syncDb[%v/%v] - counter read from db at %v", self.key.Log(), self.priority, counter)
+		log.Trace(fmt.Sprintf("syncDb[%v/%v] - counter read from db at %v", self.key.Log(), self.priority, counter))
 	} else {
-		glog.V(logger.Detail).Infof("syncDb[%v/%v] - counter starts at %v", self.key.Log(), self.priority, counter)
+		log.Trace(fmt.Sprintf("syncDb[%v/%v] - counter starts at %v", self.key.Log(), self.priority, counter))
 	}
 
 LOOP:
@@ -142,7 +141,7 @@ LOOP:
 			// if syncdb is stopped. In this case we need to save the item to the db
 			more = deliver(req, self.quit)
 			if !more {
-				glog.V(logger.Debug).Infof("syncDb[%v/%v] quit: switching to db. session tally (db/total): %v/%v", self.key.Log(), self.priority, self.dbTotal, self.total)
+				log.Debug(fmt.Sprintf("syncDb[%v/%v] quit: switching to db. session tally (db/total): %v/%v", self.key.Log(), self.priority, self.dbTotal, self.total))
 				// received quit signal, save request currently waiting delivery
 				// by switching to db mode and closing the buffer
 				buffer = nil
@@ -152,12 +151,12 @@ LOOP:
 				break      // break from select, this item will be written to the db
 			}
 			self.total++
-			glog.V(logger.Detail).Infof("syncDb[%v/%v] deliver (db/total): %v/%v", self.key.Log(), self.priority, self.dbTotal, self.total)
+			log.Trace(fmt.Sprintf("syncDb[%v/%v] deliver (db/total): %v/%v", self.key.Log(), self.priority, self.dbTotal, self.total))
 			// by the time deliver returns, there were new writes to the buffer
 			// if buffer contention is detected, switch to db mode which drains
 			// the buffer so no process will block on pushing store requests
 			if len(buffer) == cap(buffer) {
-				glog.V(logger.Debug).Infof("syncDb[%v/%v] buffer full %v: switching to db. session tally (db/total): %v/%v", self.key.Log(), self.priority, cap(buffer), self.dbTotal, self.total)
+				log.Debug(fmt.Sprintf("syncDb[%v/%v] buffer full %v: switching to db. session tally (db/total): %v/%v", self.key.Log(), self.priority, cap(buffer), self.dbTotal, self.total))
 				buffer = nil
 				db = self.buffer
 			}
@@ -170,7 +169,7 @@ LOOP:
 				binary.BigEndian.PutUint64(counterValue, counter)
 				batch.Put(self.counterKey, counterValue) // persist counter in batch
 				self.writeSyncBatch(batch)               // save batch
-				glog.V(logger.Detail).Infof("syncDb[%v/%v] quitting: save current batch to db", self.key.Log(), self.priority)
+				log.Trace(fmt.Sprintf("syncDb[%v/%v] quitting: save current batch to db", self.key.Log(), self.priority))
 				break LOOP
 			}
 			self.dbTotal++
@@ -181,7 +180,7 @@ LOOP:
 			if inBatch == 0 && quit != nil {
 				// there was no writes since the last batch so db depleted
 				// switch to buffer mode
-				glog.V(logger.Debug).Infof("syncDb[%v/%v] empty db: switching to buffer", self.key.Log(), self.priority)
+				log.Debug(fmt.Sprintf("syncDb[%v/%v] empty db: switching to buffer", self.key.Log(), self.priority))
 				db = nil
 				buffer = self.buffer
 				dbSize <- 0 // indicates to 'caller' that batch has been written
@@ -190,7 +189,7 @@ LOOP:
 			}
 			binary.BigEndian.PutUint64(counterValue, counter)
 			batch.Put(self.counterKey, counterValue)
-			glog.V(logger.Debug).Infof("syncDb[%v/%v] write batch %v/%v - %x - %x", self.key.Log(), self.priority, inBatch, counter, self.counterKey, counterValue)
+			log.Debug(fmt.Sprintf("syncDb[%v/%v] write batch %v/%v - %x - %x", self.key.Log(), self.priority, inBatch, counter, self.counterKey, counterValue))
 			batch = self.writeSyncBatch(batch)
 			dbSize <- inBatch // indicates to 'caller' that batch has been written
 			inBatch = 0
@@ -202,7 +201,7 @@ LOOP:
 			db = self.buffer
 			buffer = nil
 			quit = nil
-			glog.V(logger.Detail).Infof("syncDb[%v/%v] quitting: save buffer to db", self.key.Log(), self.priority)
+			log.Trace(fmt.Sprintf("syncDb[%v/%v] quitting: save buffer to db", self.key.Log(), self.priority))
 			close(db)
 			continue LOOP
 		}
@@ -210,15 +209,15 @@ LOOP:
 		// only get here if we put req into db
 		entry, err = self.newSyncDbEntry(req, counter)
 		if err != nil {
-			glog.V(logger.Warn).Infof("syncDb[%v/%v] saving request %v (#%v/%v) failed: %v", self.key.Log(), self.priority, req, inBatch, inDb, err)
+			log.Warn(fmt.Sprintf("syncDb[%v/%v] saving request %v (#%v/%v) failed: %v", self.key.Log(), self.priority, req, inBatch, inDb, err))
 			continue LOOP
 		}
 		batch.Put(entry.key, entry.val)
-		glog.V(logger.Detail).Infof("syncDb[%v/%v] to batch %v '%v' (#%v/%v/%v)", self.key.Log(), self.priority, req, entry, inBatch, inDb, counter)
+		log.Trace(fmt.Sprintf("syncDb[%v/%v] to batch %v '%v' (#%v/%v/%v)", self.key.Log(), self.priority, req, entry, inBatch, inDb, counter))
 		// if just switched to db mode and not quitting, then launch dbRead
 		// in a parallel go routine to send deliveries from db
 		if inDb == 0 && quit != nil {
-			glog.V(logger.Detail).Infof("syncDb[%v/%v] start dbRead")
+			log.Trace(fmt.Sprintf("syncDb[%v/%v] start dbRead", self.key.Log(), self.priority))
 			go self.dbRead(true, counter, deliver)
 		}
 		inDb++
@@ -229,7 +228,7 @@ LOOP:
 			batch = self.writeSyncBatch(batch)
 		}
 	}
-	glog.V(logger.Info).Infof("syncDb[%v:%v]: saved %v keys (saved counter at %v)", self.key.Log(), self.priority, inBatch, counter)
+	log.Info(fmt.Sprintf("syncDb[%v:%v]: saved %v keys (saved counter at %v)", self.key.Log(), self.priority, inBatch, counter))
 	close(self.done)
 }
 
@@ -237,7 +236,7 @@ LOOP:
 func (self *syncDb) writeSyncBatch(batch *leveldb.Batch) *leveldb.Batch {
 	err := self.db.Write(batch)
 	if err != nil {
-		glog.V(logger.Warn).Infof("syncDb[%v/%v] saving batch to db failed: %v", self.key.Log(), self.priority, err)
+		log.Warn(fmt.Sprintf("syncDb[%v/%v] saving batch to db failed: %v", self.key.Log(), self.priority, err))
 		return batch
 	}
 	return new(leveldb.Batch)
@@ -311,7 +310,7 @@ func (self *syncDb) dbRead(useBatches bool, counter uint64, fun func(interface{}
 			continue
 		}
 		del = new(leveldb.Batch)
-		glog.V(logger.Detail).Infof("syncDb[%v/%v]: new iterator: %x (batch %v, count %v)", self.key.Log(), self.priority, key, batches, cnt)
+		log.Trace(fmt.Sprintf("syncDb[%v/%v]: new iterator: %x (batch %v, count %v)", self.key.Log(), self.priority, key, batches, cnt))
 
 		for n = 0; !useBatches || n < cnt; it.Next() {
 			copy(key, it.Key())
@@ -323,11 +322,11 @@ func (self *syncDb) dbRead(useBatches bool, counter uint64, fun func(interface{}
 			val := make([]byte, 40)
 			copy(val, it.Value())
 			entry = &syncDbEntry{key, val}
-			// glog.V(logger.Detail).Infof("syncDb[%v/%v] - %v, batches: %v, total: %v, session total from db: %v/%v", self.key.Log(), self.priority, self.key.Log(), batches, total, self.dbTotal, self.total)
+			// log.Trace(fmt.Sprintf("syncDb[%v/%v] - %v, batches: %v, total: %v, session total from db: %v/%v", self.key.Log(), self.priority, self.key.Log(), batches, total, self.dbTotal, self.total))
 			more = fun(entry, self.quit)
 			if !more {
 				// quit received when waiting to deliver entry, the entry will not be deleted
-				glog.V(logger.Detail).Infof("syncDb[%v/%v] batch %v quit after %v/%v items", self.key.Log(), self.priority, batches, n, cnt)
+				log.Trace(fmt.Sprintf("syncDb[%v/%v] batch %v quit after %v/%v items", self.key.Log(), self.priority, batches, n, cnt))
 				break
 			}
 			// since subsequent batches of the same db session are indexed incrementally
@@ -337,7 +336,7 @@ func (self *syncDb) dbRead(useBatches bool, counter uint64, fun func(interface{}
 			n++
 			total++
 		}
-		glog.V(logger.Debug).Infof("syncDb[%v/%v] - db session closed, batches: %v, total: %v, session total from db: %v/%v", self.key.Log(), self.priority, batches, total, self.dbTotal, self.total)
+		log.Debug(fmt.Sprintf("syncDb[%v/%v] - db session closed, batches: %v, total: %v, session total from db: %v/%v", self.key.Log(), self.priority, batches, total, self.dbTotal, self.total))
 		self.db.Write(del) // this could be async called only when db is idle
 		it.Release()
 	}
diff --git a/swarm/network/syncdb_test.go b/swarm/network/syncdb_test.go
index 21453a110..a9417e1d4 100644
--- a/swarm/network/syncdb_test.go
+++ b/swarm/network/syncdb_test.go
@@ -18,6 +18,7 @@ package network
 
 import (
 	"bytes"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -25,14 +26,12 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
 func init() {
-	glog.SetV(0)
-	glog.SetToStderr(true)
+	log.Root().SetHandler(log.LvlFilterHandler(log.LvlCrit, log.StreamHandler(os.Stderr, log.TerminalFormat())))
 }
 
 type testSyncDb struct {
@@ -83,7 +82,7 @@ func (self *testSyncDb) push(n int) {
 		self.sent = append(self.sent, self.c)
 		self.c++
 	}
-	glog.V(logger.Debug).Infof("pushed %v requests", n)
+	log.Debug(fmt.Sprintf("pushed %v requests", n))
 }
 
 func (self *testSyncDb) draindb() {
@@ -128,7 +127,7 @@ func (self *testSyncDb) expect(n int, db bool) {
 		}
 		if len(self.sent) > self.at && !bytes.Equal(crypto.Keccak256([]byte{byte(self.sent[self.at])}), self.delivered[self.at]) {
 			self.t.Fatalf("expected delivery %v/%v/%v to be hash of  %v, from db: %v = %v", i, n, self.at, self.sent[self.at], ok, db)
-			glog.V(logger.Debug).Infof("%v/%v/%v to be hash of  %v, from db: %v = %v", i, n, self.at, self.sent[self.at], ok, db)
+			log.Debug(fmt.Sprintf("%v/%v/%v to be hash of  %v, from db: %v = %v", i, n, self.at, self.sent[self.at], ok, db))
 		}
 		if !ok && db {
 			self.t.Fatalf("expected delivery %v/%v/%v from db", i, n, self.at)
diff --git a/swarm/network/syncer.go b/swarm/network/syncer.go
index b6b1ea3b6..20129c2a8 100644
--- a/swarm/network/syncer.go
+++ b/swarm/network/syncer.go
@@ -22,8 +22,7 @@ import (
 	"fmt"
 	"path/filepath"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/storage"
 )
 
@@ -209,7 +208,7 @@ func newSyncer(
 		// initialise a syncdb instance for each priority queue
 		self.queues[i] = newSyncDb(db, remotekey, uint(i), syncBufferSize, dbBatchSize, self.deliver(uint(i)))
 	}
-	glog.V(logger.Info).Infof("syncer started: %v", state)
+	log.Info(fmt.Sprintf("syncer started: %v", state))
 	// launch chunk delivery service
 	go self.syncDeliveries()
 	// launch sync task manager
@@ -270,14 +269,14 @@ func (self *syncer) sync() {
 
 	// 0. first replay stale requests from request db
 	if state.SessionAt == 0 {
-		glog.V(logger.Debug).Infof("syncer[%v]: nothing to sync", self.key.Log())
+		log.Debug(fmt.Sprintf("syncer[%v]: nothing to sync", self.key.Log()))
 		return
 	}
-	glog.V(logger.Debug).Infof("syncer[%v]: start replaying stale requests from request db", self.key.Log())
+	log.Debug(fmt.Sprintf("syncer[%v]: start replaying stale requests from request db", self.key.Log()))
 	for p := priorities - 1; p >= 0; p-- {
 		self.queues[p].dbRead(false, 0, self.replay())
 	}
-	glog.V(logger.Debug).Infof("syncer[%v]: done replaying stale requests from request db", self.key.Log())
+	log.Debug(fmt.Sprintf("syncer[%v]: done replaying stale requests from request db", self.key.Log()))
 
 	// unless peer is synced sync unfinished history beginning on
 	if !state.Synced {
@@ -286,7 +285,7 @@ func (self *syncer) sync() {
 		if !storage.IsZeroKey(state.Latest) {
 			// 1. there is unfinished earlier sync
 			state.Start = state.Latest
-			glog.V(logger.Debug).Infof("syncer[%v]: start syncronising backlog (unfinished sync: %v)", self.key.Log(), state)
+			log.Debug(fmt.Sprintf("syncer[%v]: start syncronising backlog (unfinished sync: %v)", self.key.Log(), state))
 			// blocks while the entire history upto state is synced
 			self.syncState(state)
 			if state.Last < state.SessionAt {
@@ -298,7 +297,7 @@ func (self *syncer) sync() {
 		// 2. sync up to last disconnect1
 		if state.First < state.LastSeenAt {
 			state.Last = state.LastSeenAt
-			glog.V(logger.Debug).Infof("syncer[%v]: start syncronising history upto last disconnect at %v: %v", self.key.Log(), state.LastSeenAt, state)
+			log.Debug(fmt.Sprintf("syncer[%v]: start syncronising history upto last disconnect at %v: %v", self.key.Log(), state.LastSeenAt, state))
 			self.syncState(state)
 			state.First = state.LastSeenAt
 		}
@@ -313,11 +312,11 @@ func (self *syncer) sync() {
 	// if there have been new chunks since last session
 	if state.LastSeenAt < state.SessionAt {
 		state.Last = state.SessionAt
-		glog.V(logger.Debug).Infof("syncer[%v]: start syncronising history since last disconnect at %v up until session start at %v: %v", self.key.Log(), state.LastSeenAt, state.SessionAt, state)
+		log.Debug(fmt.Sprintf("syncer[%v]: start syncronising history since last disconnect at %v up until session start at %v: %v", self.key.Log(), state.LastSeenAt, state.SessionAt, state))
 		// blocks until state syncing is finished
 		self.syncState(state)
 	}
-	glog.V(logger.Info).Infof("syncer[%v]: syncing all history complete", self.key.Log())
+	log.Info(fmt.Sprintf("syncer[%v]: syncing all history complete", self.key.Log()))
 
 }
 
@@ -333,7 +332,7 @@ func (self *syncer) syncState(state *syncState) {
 // stop quits both request processor and saves the request cache to disk
 func (self *syncer) stop() {
 	close(self.quit)
-	glog.V(logger.Detail).Infof("syncer[%v]: stop and save sync request db backlog", self.key.Log())
+	log.Trace(fmt.Sprintf("syncer[%v]: stop and save sync request db backlog", self.key.Log()))
 	for _, db := range self.queues {
 		db.stop()
 	}
@@ -366,7 +365,7 @@ func (self *syncer) newSyncRequest(req interface{}, p int) (*syncRequest, error)
 func (self *syncer) syncHistory(state *syncState) chan interface{} {
 	var n uint
 	history := make(chan interface{})
-	glog.V(logger.Debug).Infof("syncer[%v]: syncing history between %v - %v for chunk addresses %v - %v", self.key.Log(), state.First, state.Last, state.Start, state.Stop)
+	log.Debug(fmt.Sprintf("syncer[%v]: syncing history between %v - %v for chunk addresses %v - %v", self.key.Log(), state.First, state.Last, state.Start, state.Stop))
 	it := self.dbAccess.iterator(state)
 	if it != nil {
 		go func() {
@@ -382,13 +381,13 @@ func (self *syncer) syncHistory(state *syncState) chan interface{} {
 				// blocking until history channel is read from
 				case history <- storage.Key(key):
 					n++
-					glog.V(logger.Detail).Infof("syncer[%v]: history: %v (%v keys)", self.key.Log(), key.Log(), n)
+					log.Trace(fmt.Sprintf("syncer[%v]: history: %v (%v keys)", self.key.Log(), key.Log(), n))
 					state.Latest = key
 				case <-self.quit:
 					return
 				}
 			}
-			glog.V(logger.Debug).Infof("syncer[%v]: finished syncing history between %v - %v for chunk addresses %v - %v (at %v) (chunks = %v)", self.key.Log(), state.First, state.Last, state.Start, state.Stop, state.Latest, n)
+			log.Debug(fmt.Sprintf("syncer[%v]: finished syncing history between %v - %v for chunk addresses %v - %v (at %v) (chunks = %v)", self.key.Log(), state.First, state.Last, state.Start, state.Stop, state.Latest, n))
 		}()
 	}
 	return history
@@ -438,14 +437,14 @@ LOOP:
 			for priority = High; priority >= 0; priority-- {
 				// the first priority channel that is non-empty will be assigned to keys
 				if len(self.keys[priority]) > 0 {
-					glog.V(logger.Detail).Infof("syncer[%v]: reading request with	priority %v", self.key.Log(), priority)
+					log.Trace(fmt.Sprintf("syncer[%v]: reading request with	priority %v", self.key.Log(), priority))
 					keys = self.keys[priority]
 					break PRIORITIES
 				}
-				glog.V(logger.Detail).Infof("syncer[%v/%v]: queue: [%v, %v, %v]", self.key.Log(), priority, len(self.keys[High]), len(self.keys[Medium]), len(self.keys[Low]))
+				log.Trace(fmt.Sprintf("syncer[%v/%v]: queue: [%v, %v, %v]", self.key.Log(), priority, len(self.keys[High]), len(self.keys[Medium]), len(self.keys[Low])))
 				// if the input queue is empty on this level, resort to history if there is any
 				if uint(priority) == histPrior && history != nil {
-					glog.V(logger.Detail).Infof("syncer[%v]: reading history for %v", self.key.Log(), self.key)
+					log.Trace(fmt.Sprintf("syncer[%v]: reading history for %v", self.key.Log(), self.key))
 					keys = history
 					break PRIORITIES
 				}
@@ -455,7 +454,7 @@ LOOP:
 		// if peer ready to receive but nothing to send
 		if keys == nil && deliveryRequest == nil {
 			// if no items left and switch to waiting mode
-			glog.V(logger.Detail).Infof("syncer[%v]: buffers consumed. Waiting", self.key.Log())
+			log.Trace(fmt.Sprintf("syncer[%v]: buffers consumed. Waiting", self.key.Log()))
 			newUnsyncedKeys = self.newUnsyncedKeys
 		}
 
@@ -476,15 +475,15 @@ LOOP:
 			// (all nonhistorical outgoing traffic sheduled and persisted
 			state.LastSeenAt = self.dbAccess.counter()
 			state.Latest = storage.ZeroKey
-			glog.V(logger.Detail).Infof("syncer[%v]: sending %v", self.key.Log(), unsynced)
+			log.Trace(fmt.Sprintf("syncer[%v]: sending %v", self.key.Log(), unsynced))
 			//  send the unsynced keys
 			stateCopy := *state
 			err := self.unsyncedKeys(unsynced, &stateCopy)
 			if err != nil {
-				glog.V(logger.Warn).Infof("syncer[%v]: unable to send unsynced keys: %v", err)
+				log.Warn(fmt.Sprintf("syncer[%v]: unable to send unsynced keys: %v", self.key.Log(), err))
 			}
 			self.state = state
-			glog.V(logger.Debug).Infof("syncer[%v]: --> %v keys sent: (total: %v (%v), history: %v), sent sync state: %v", self.key.Log(), len(unsynced), keyCounts, keyCount, historyCnt, stateCopy)
+			log.Debug(fmt.Sprintf("syncer[%v]: --> %v keys sent: (total: %v (%v), history: %v), sent sync state: %v", self.key.Log(), len(unsynced), keyCounts, keyCount, historyCnt, stateCopy))
 			unsynced = nil
 			keys = nil
 		}
@@ -495,7 +494,7 @@ LOOP:
 			break LOOP
 		case req, more = <-keys:
 			if keys == history && !more {
-				glog.V(logger.Detail).Infof("syncer[%v]: syncing history segment complete", self.key.Log())
+				log.Trace(fmt.Sprintf("syncer[%v]: syncing history segment complete", self.key.Log()))
 				// history channel is closed, waiting for new state (called from sync())
 				syncStates = self.syncStates
 				state.Synced = true // this signals that the  current segment is complete
@@ -508,7 +507,7 @@ LOOP:
 				history = nil
 			}
 		case <-deliveryRequest:
-			glog.V(logger.Detail).Infof("syncer[%v]: peer ready to receive", self.key.Log())
+			log.Trace(fmt.Sprintf("syncer[%v]: peer ready to receive", self.key.Log()))
 
 			// this 1 cap channel can wake up the loop
 			// signaling that peer is ready to receive unsynced Keys
@@ -516,7 +515,7 @@ LOOP:
 			deliveryRequest = nil
 
 		case <-newUnsyncedKeys:
-			glog.V(logger.Detail).Infof("syncer[%v]: new unsynced keys available", self.key.Log())
+			log.Trace(fmt.Sprintf("syncer[%v]: new unsynced keys available", self.key.Log()))
 			// this 1 cap channel can wake up the loop
 			// signals that data is available to send if peer is ready to receive
 			newUnsyncedKeys = nil
@@ -526,11 +525,11 @@ LOOP:
 			// this resets the state
 			if !more {
 				state = self.state
-				glog.V(logger.Detail).Infof("syncer[%v]: (priority %v) syncing complete upto %v)", self.key.Log(), priority, state)
+				log.Trace(fmt.Sprintf("syncer[%v]: (priority %v) syncing complete upto %v)", self.key.Log(), priority, state))
 				state.Synced = true
 				syncStates = nil
 			} else {
-				glog.V(logger.Detail).Infof("syncer[%v]: (priority %v) syncing history upto %v priority %v)", self.key.Log(), priority, state, histPrior)
+				log.Trace(fmt.Sprintf("syncer[%v]: (priority %v) syncing history upto %v priority %v)", self.key.Log(), priority, state, histPrior))
 				state.Synced = false
 				history = self.syncHistory(state)
 				// only one history at a time, only allow another one once the
@@ -542,19 +541,19 @@ LOOP:
 			continue LOOP
 		}
 
-		glog.V(logger.Detail).Infof("syncer[%v]: (priority %v) added to unsynced keys: %v", self.key.Log(), priority, req)
+		log.Trace(fmt.Sprintf("syncer[%v]: (priority %v) added to unsynced keys: %v", self.key.Log(), priority, req))
 		keyCounts[priority]++
 		keyCount++
 		if keys == history {
-			glog.V(logger.Detail).Infof("syncer[%v]: (priority %v) history item %v (synced = %v)", self.key.Log(), priority, req, state.Synced)
+			log.Trace(fmt.Sprintf("syncer[%v]: (priority %v) history item %v (synced = %v)", self.key.Log(), priority, req, state.Synced))
 			historyCnt++
 		}
 		if sreq, err := self.newSyncRequest(req, priority); err == nil {
 			// extract key from req
-			glog.V(logger.Detail).Infof("syncer[%v]: (priority %v): request %v (synced = %v)", self.key.Log(), priority, req, state.Synced)
+			log.Trace(fmt.Sprintf("syncer[%v]: (priority %v): request %v (synced = %v)", self.key.Log(), priority, req, state.Synced))
 			unsynced = append(unsynced, sreq)
 		} else {
-			glog.V(logger.Warn).Infof("syncer[%v]: (priority %v): error creating request for %v: %v)", self.key.Log(), priority, req, state.Synced, err)
+			log.Warn(fmt.Sprintf("syncer[%v]: (priority %v): error creating request for %v: %v)", self.key.Log(), priority, req, err))
 		}
 
 	}
@@ -601,18 +600,18 @@ func (self *syncer) syncDeliveries() {
 		total++
 		msg, err = self.newStoreRequestMsgData(req)
 		if err != nil {
-			glog.V(logger.Warn).Infof("syncer[%v]: failed to create store request for %v: %v", self.key.Log(), req, err)
+			log.Warn(fmt.Sprintf("syncer[%v]: failed to create store request for %v: %v", self.key.Log(), req, err))
 		} else {
 			err = self.store(msg)
 			if err != nil {
-				glog.V(logger.Warn).Infof("syncer[%v]: failed to deliver %v: %v", self.key.Log(), req, err)
+				log.Warn(fmt.Sprintf("syncer[%v]: failed to deliver %v: %v", self.key.Log(), req, err))
 			} else {
 				success++
-				glog.V(logger.Detail).Infof("syncer[%v]: %v successfully delivered", self.key.Log(), req)
+				log.Trace(fmt.Sprintf("syncer[%v]: %v successfully delivered", self.key.Log(), req))
 			}
 		}
 		if total%self.SyncBatchSize == 0 {
-			glog.V(logger.Debug).Infof("syncer[%v]: deliver Total: %v, Success: %v, High: %v/%v, Medium: %v/%v, Low %v/%v", self.key.Log(), total, success, c[High], n[High], c[Medium], n[Medium], c[Low], n[Low])
+			log.Debug(fmt.Sprintf("syncer[%v]: deliver Total: %v, Success: %v, High: %v/%v, Medium: %v/%v, Low %v/%v", self.key.Log(), total, success, c[High], n[High], c[Medium], n[Medium], c[Low], n[Low]))
 		}
 	}
 }
@@ -679,7 +678,7 @@ func (self *syncer) addDelivery(req interface{}, priority uint, quit chan bool)
 func (self *syncer) doDelivery(req interface{}, priority uint, quit chan bool) bool {
 	msgdata, err := self.newStoreRequestMsgData(req)
 	if err != nil {
-		glog.V(logger.Warn).Infof("unable to deliver request %v: %v", msgdata, err)
+		log.Warn(fmt.Sprintf("unable to deliver request %v: %v", msgdata, err))
 		return false
 	}
 	select {
diff --git a/swarm/services/swap/swap.go b/swarm/services/swap/swap.go
index f72036d72..eb21a598d 100644
--- a/swarm/services/swap/swap.go
+++ b/swarm/services/swap/swap.go
@@ -31,8 +31,7 @@ import (
 	"github.com/ethereum/go-ethereum/contracts/chequebook/contract"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/swarm/services/swap/swap"
 	"golang.org/x/net/context"
 )
@@ -132,19 +131,19 @@ func NewSwap(local *SwapParams, remote *SwapProfile, backend chequebook.Backend,
 	// TODO: monitoring a chequebooks events
 	ok, err = chequebook.ValidateCode(ctx, backend, remote.Contract)
 	if !ok {
-		glog.V(logger.Info).Infof("invalid contract %v for peer %v: %v)", remote.Contract.Hex()[:8], proto, err)
+		log.Info(fmt.Sprintf("invalid contract %v for peer %v: %v)", remote.Contract.Hex()[:8], proto, err))
 	} else {
 		// remote contract valid, create inbox
 		in, err = chequebook.NewInbox(local.privateKey, remote.Contract, local.Beneficiary, crypto.ToECDSAPub(common.FromHex(remote.PublicKey)), backend)
 		if err != nil {
-			glog.V(logger.Warn).Infof("unable to set up inbox for chequebook contract %v for peer %v: %v)", remote.Contract.Hex()[:8], proto, err)
+			log.Warn(fmt.Sprintf("unable to set up inbox for chequebook contract %v for peer %v: %v)", remote.Contract.Hex()[:8], proto, err))
 		}
 	}
 
 	// check if local chequebook contract is valid
 	ok, err = chequebook.ValidateCode(ctx, backend, local.Contract)
 	if !ok {
-		glog.V(logger.Warn).Infof("unable to set up outbox for peer %v:  chequebook contract (owner: %v): %v)", proto, local.owner.Hex(), err)
+		log.Warn(fmt.Sprintf("unable to set up outbox for peer %v:  chequebook contract (owner: %v): %v)", proto, local.owner.Hex(), err))
 	} else {
 		out = chequebook.NewOutbox(local.Chequebook(), remote.Beneficiary)
 	}
@@ -172,7 +171,7 @@ func NewSwap(local *SwapParams, remote *SwapProfile, backend chequebook.Backend,
 	} else {
 		sell = "selling to peer disabled"
 	}
-	glog.V(logger.Warn).Infof("SWAP arrangement with <%v>: %v; %v)", proto, buy, sell)
+	log.Warn(fmt.Sprintf("SWAP arrangement with <%v>: %v; %v)", proto, buy, sell))
 
 	return
 }
@@ -217,13 +216,13 @@ func (self *SwapParams) deployChequebook(ctx context.Context, backend chequebook
 	opts.Value = self.AutoDepositBuffer
 	opts.Context = ctx
 
-	glog.V(logger.Info).Infof("Deploying new chequebook (owner: %v)", opts.From.Hex())
+	log.Info(fmt.Sprintf("Deploying new chequebook (owner: %v)", opts.From.Hex()))
 	contract, err := deployChequebookLoop(opts, backend)
 	if err != nil {
-		glog.V(logger.Error).Infof("unable to deploy new chequebook: %v", err)
+		log.Error(fmt.Sprintf("unable to deploy new chequebook: %v", err))
 		return err
 	}
-	glog.V(logger.Info).Infof("new chequebook deployed at %v (owner: %v)", contract.Hex(), opts.From.Hex())
+	log.Info(fmt.Sprintf("new chequebook deployed at %v (owner: %v)", contract.Hex(), opts.From.Hex()))
 
 	// need to save config at this point
 	self.lock.Lock()
@@ -231,7 +230,7 @@ func (self *SwapParams) deployChequebook(ctx context.Context, backend chequebook
 	err = self.newChequebookFromContract(path, backend)
 	self.lock.Unlock()
 	if err != nil {
-		glog.V(logger.Warn).Infof("error initialising cheque book (owner: %v): %v", opts.From.Hex(), err)
+		log.Warn(fmt.Sprintf("error initialising cheque book (owner: %v): %v", opts.From.Hex(), err))
 	}
 	return err
 }
@@ -244,11 +243,11 @@ func deployChequebookLoop(opts *bind.TransactOpts, backend chequebook.Backend) (
 			time.Sleep(chequebookDeployDelay)
 		}
 		if _, tx, _, err = contract.DeployChequebook(opts, backend); err != nil {
-			glog.V(logger.Warn).Infof("can't send chequebook deploy tx (try %d): %v", try, err)
+			log.Warn(fmt.Sprintf("can't send chequebook deploy tx (try %d): %v", try, err))
 			continue
 		}
 		if addr, err = bind.WaitDeployed(opts.Context, backend, tx); err != nil {
-			glog.V(logger.Warn).Infof("chequebook deploy error (try %d): %v", try, err)
+			log.Warn(fmt.Sprintf("chequebook deploy error (try %d): %v", try, err))
 			continue
 		}
 		return addr, nil
@@ -271,13 +270,13 @@ func (self *SwapParams) newChequebookFromContract(path string, backend chequeboo
 	if err != nil {
 		self.chbook, err = chequebook.NewChequebook(chbookpath, self.Contract, self.privateKey, backend)
 		if err != nil {
-			glog.V(logger.Warn).Infof("unable to initialise chequebook (owner: %v): %v", self.owner.Hex(), err)
+			log.Warn(fmt.Sprintf("unable to initialise chequebook (owner: %v): %v", self.owner.Hex(), err))
 			return fmt.Errorf("unable to initialise chequebook (owner: %v): %v", self.owner.Hex(), err)
 		}
 	}
 
 	self.chbook.AutoDeposit(self.AutoDepositInterval, self.AutoDepositThreshold, self.AutoDepositBuffer)
-	glog.V(logger.Info).Infof("auto deposit ON for %v -> %v: interval = %v, threshold = %v, buffer = %v)", crypto.PubkeyToAddress(*(self.publicKey)).Hex()[:8], self.Contract.Hex()[:8], self.AutoDepositInterval, self.AutoDepositThreshold, self.AutoDepositBuffer)
+	log.Info(fmt.Sprintf("auto deposit ON for %v -> %v: interval = %v, threshold = %v, buffer = %v)", crypto.PubkeyToAddress(*(self.publicKey)).Hex()[:8], self.Contract.Hex()[:8], self.AutoDepositInterval, self.AutoDepositThreshold, self.AutoDepositBuffer))
 
 	return nil
 }
diff --git a/swarm/services/swap/swap/swap.go b/swarm/services/swap/swap/swap.go
index 9d5da7c3a..d04194960 100644
--- a/swarm/services/swap/swap/swap.go
+++ b/swarm/services/swap/swap/swap.go
@@ -23,8 +23,7 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 // SwAP Swarm Accounting Protocol with
@@ -130,7 +129,7 @@ func (self *Swap) SetRemote(remote *Profile) {
 		self.Buys = false
 	}
 
-	glog.V(logger.Debug).Infof("<%v> remote profile set: pay at: %v, drop at: %v, buy at: %v, sell at: %v", self.proto, remote.PayAt, remote.DropAt, remote.BuyAt, remote.SellAt)
+	log.Debug(fmt.Sprintf("<%v> remote profile set: pay at: %v, drop at: %v, buy at: %v, sell at: %v", self.proto, remote.PayAt, remote.DropAt, remote.BuyAt, remote.SellAt))
 
 }
 
@@ -148,15 +147,15 @@ func (self *Swap) setParams(local *Params) {
 
 	if self.Sells {
 		self.In.AutoCash(local.AutoCashInterval, local.AutoCashThreshold)
-		glog.V(logger.Info).Infof("<%v> set autocash to every %v, max uncashed limit: %v", self.proto, local.AutoCashInterval, local.AutoCashThreshold)
+		log.Info(fmt.Sprintf("<%v> set autocash to every %v, max uncashed limit: %v", self.proto, local.AutoCashInterval, local.AutoCashThreshold))
 	} else {
-		glog.V(logger.Info).Infof("<%v> autocash off (not selling)", self.proto)
+		log.Info(fmt.Sprintf("<%v> autocash off (not selling)", self.proto))
 	}
 	if self.Buys {
 		self.Out.AutoDeposit(local.AutoDepositInterval, local.AutoDepositThreshold, local.AutoDepositBuffer)
-		glog.V(logger.Info).Infof("<%v> set autodeposit to every %v, pay at: %v, buffer: %v", self.proto, local.AutoDepositInterval, local.AutoDepositThreshold, local.AutoDepositBuffer)
+		log.Info(fmt.Sprintf("<%v> set autodeposit to every %v, pay at: %v, buffer: %v", self.proto, local.AutoDepositInterval, local.AutoDepositThreshold, local.AutoDepositBuffer))
 	} else {
-		glog.V(logger.Info).Infof("<%v> autodeposit off (not buying)", self.proto)
+		log.Info(fmt.Sprintf("<%v> autodeposit off (not buying)", self.proto))
 	}
 }
 
@@ -168,16 +167,16 @@ func (self *Swap) Add(n int) error {
 	self.lock.Lock()
 	self.balance += n
 	if !self.Sells && self.balance > 0 {
-		glog.V(logger.Detail).Infof("<%v> remote peer cannot have debt (balance: %v)", self.proto, self.balance)
+		log.Trace(fmt.Sprintf("<%v> remote peer cannot have debt (balance: %v)", self.proto, self.balance))
 		self.proto.Drop()
 		return fmt.Errorf("[SWAP] <%v> remote peer cannot have debt (balance: %v)", self.proto, self.balance)
 	}
 	if !self.Buys && self.balance < 0 {
-		glog.V(logger.Detail).Infof("<%v> we cannot have debt (balance: %v)", self.proto, self.balance)
+		log.Trace(fmt.Sprintf("<%v> we cannot have debt (balance: %v)", self.proto, self.balance))
 		return fmt.Errorf("[SWAP] <%v> we cannot have debt (balance: %v)", self.proto, self.balance)
 	}
 	if self.balance >= int(self.local.DropAt) {
-		glog.V(logger.Detail).Infof("<%v> remote peer has too much debt (balance: %v, disconnect threshold: %v)", self.proto, self.balance, self.local.DropAt)
+		log.Trace(fmt.Sprintf("<%v> remote peer has too much debt (balance: %v, disconnect threshold: %v)", self.proto, self.balance, self.local.DropAt))
 		self.proto.Drop()
 		return fmt.Errorf("[SWAP] <%v> remote peer has too much debt (balance: %v, disconnect threshold: %v)", self.proto, self.balance, self.local.DropAt)
 	} else if self.balance <= -int(self.remote.PayAt) {
@@ -201,9 +200,9 @@ func (self *Swap) send() {
 		amount.Mul(amount, self.remote.SellAt)
 		promise, err := self.Out.Issue(amount)
 		if err != nil {
-			glog.V(logger.Warn).Infof("<%v> cannot issue cheque (amount: %v, channel: %v): %v", self.proto, amount, self.Out, err)
+			log.Warn(fmt.Sprintf("<%v> cannot issue cheque (amount: %v, channel: %v): %v", self.proto, amount, self.Out, err))
 		} else {
-			glog.V(logger.Warn).Infof("<%v> cheque issued (amount: %v, channel: %v)", self.proto, amount, self.Out)
+			log.Warn(fmt.Sprintf("<%v> cheque issued (amount: %v, channel: %v)", self.proto, amount, self.Out))
 			self.proto.Pay(-self.balance, promise)
 			self.balance = 0
 		}
@@ -229,13 +228,13 @@ func (self *Swap) Receive(units int, promise Promise) error {
 		return fmt.Errorf("invalid amount: %v = %v * %v (units sent in msg * agreed sale unit price) != %v (signed in cheque)", price, units, self.local.SellAt, amount)
 	}
 	if err != nil {
-		glog.V(logger.Detail).Infof("<%v> invalid promise (amount: %v, channel: %v): %v", self.proto, amount, self.In, err)
+		log.Trace(fmt.Sprintf("<%v> invalid promise (amount: %v, channel: %v): %v", self.proto, amount, self.In, err))
 		return err
 	}
 
 	// credit remote peer with units
 	self.Add(-units)
-	glog.V(logger.Detail).Infof("<%v> received promise (amount: %v, channel: %v): %v", self.proto, amount, self.In, promise)
+	log.Trace(fmt.Sprintf("<%v> received promise (amount: %v, channel: %v): %v", self.proto, amount, self.In, promise))
 
 	return nil
 }
diff --git a/swarm/storage/common_test.go b/swarm/storage/common_test.go
index 2a83f471d..44d1dd1f7 100644
--- a/swarm/storage/common_test.go
+++ b/swarm/storage/common_test.go
@@ -24,8 +24,7 @@ import (
 	"sync"
 	"testing"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 type brokenLimitedReader struct {
@@ -92,14 +91,14 @@ func testStore(m ChunkStore, l int64, branches int64, t *testing.T) {
 			go func(chunk *Chunk) {
 				storedChunk, err := m.Get(chunk.Key)
 				if err == notFound {
-					glog.V(logger.Detail).Infof("chunk '%v' not found", chunk.Key.Log())
+					log.Trace(fmt.Sprintf("chunk '%v' not found", chunk.Key.Log()))
 				} else if err != nil {
-					glog.V(logger.Detail).Infof("error retrieving chunk %v: %v", chunk.Key.Log(), err)
+					log.Trace(fmt.Sprintf("error retrieving chunk %v: %v", chunk.Key.Log(), err))
 				} else {
 					chunk.SData = storedChunk.SData
 					chunk.Size = storedChunk.Size
 				}
-				glog.V(logger.Detail).Infof("chunk '%v' not found", chunk.Key.Log())
+				log.Trace(fmt.Sprintf("chunk '%v' not found", chunk.Key.Log()))
 				close(chunk.C)
 			}(ch)
 		}
diff --git a/swarm/storage/dbstore.go b/swarm/storage/dbstore.go
index e320cd327..30925a919 100644
--- a/swarm/storage/dbstore.go
+++ b/swarm/storage/dbstore.go
@@ -28,8 +28,7 @@ import (
 	"fmt"
 	"sync"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/syndtr/goleveldb/leveldb"
 	"github.com/syndtr/goleveldb/leveldb/iterator"
@@ -279,7 +278,7 @@ func (s *DbStore) Cleanup() {
 
 		data, err := s.db.Get(getDataKey(index.Idx))
 		if err != nil {
-			glog.V(logger.Warn).Infof("Chunk %x found but could not be accessed: %v", key[:], err)
+			log.Warn(fmt.Sprintf("Chunk %x found but could not be accessed: %v", key[:], err))
 			s.delete(index.Idx, getIndexKey(key[1:]))
 			errorsFound++
 		} else {
@@ -287,7 +286,7 @@ func (s *DbStore) Cleanup() {
 			hasher.Write(data)
 			hash := hasher.Sum(nil)
 			if !bytes.Equal(hash, key[1:]) {
-				glog.V(logger.Warn).Infof("Found invalid chunk. Hash mismatch. hash=%x, key=%x", hash, key[:])
+				log.Warn(fmt.Sprintf("Found invalid chunk. Hash mismatch. hash=%x, key=%x", hash, key[:]))
 				s.delete(index.Idx, getIndexKey(key[1:]))
 				errorsFound++
 			}
@@ -295,7 +294,7 @@ func (s *DbStore) Cleanup() {
 		it.Next()
 	}
 	it.Release()
-	glog.V(logger.Warn).Infof("Found %v errors out of %v entries", errorsFound, total)
+	log.Warn(fmt.Sprintf("Found %v errors out of %v entries", errorsFound, total))
 }
 
 func (s *DbStore) delete(idx uint64, idxKey []byte) {
@@ -324,7 +323,7 @@ func (s *DbStore) Put(chunk *Chunk) {
 		if chunk.dbStored != nil {
 			close(chunk.dbStored)
 		}
-		glog.V(logger.Detail).Infof("Storing to DB: chunk already exists, only update access")
+		log.Trace(fmt.Sprintf("Storing to DB: chunk already exists, only update access"))
 		return // already exists, only update access
 	}
 
@@ -356,7 +355,7 @@ func (s *DbStore) Put(chunk *Chunk) {
 	if chunk.dbStored != nil {
 		close(chunk.dbStored)
 	}
-	glog.V(logger.Detail).Infof("DbStore.Put: %v. db storage counter: %v ", chunk.Key.Log(), s.dataIdx)
+	log.Trace(fmt.Sprintf("DbStore.Put: %v. db storage counter: %v ", chunk.Key.Log(), s.dataIdx))
 }
 
 // try to find index; if found, update access cnt and return true
@@ -390,7 +389,7 @@ func (s *DbStore) Get(key Key) (chunk *Chunk, err error) {
 		var data []byte
 		data, err = s.db.Get(getDataKey(index.Idx))
 		if err != nil {
-			glog.V(logger.Detail).Infof("DBStore: Chunk %v found but could not be accessed: %v", key.Log(), err)
+			log.Trace(fmt.Sprintf("DBStore: Chunk %v found but could not be accessed: %v", key.Log(), err))
 			s.delete(index.Idx, getIndexKey(key))
 			return
 		}
diff --git a/swarm/storage/dpa.go b/swarm/storage/dpa.go
index 7b3e23cac..e16e4aacb 100644
--- a/swarm/storage/dpa.go
+++ b/swarm/storage/dpa.go
@@ -18,12 +18,12 @@ package storage
 
 import (
 	"errors"
+	"fmt"
 	"io"
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 /*
@@ -131,17 +131,17 @@ func (self *DPA) retrieveLoop() {
 	for i := 0; i < maxRetrieveProcesses; i++ {
 		go self.retrieveWorker()
 	}
-	glog.V(logger.Detail).Infof("dpa: retrieve loop spawning %v workers", maxRetrieveProcesses)
+	log.Trace(fmt.Sprintf("dpa: retrieve loop spawning %v workers", maxRetrieveProcesses))
 }
 
 func (self *DPA) retrieveWorker() {
 	for chunk := range self.retrieveC {
-		glog.V(logger.Detail).Infof("dpa: retrieve loop : chunk %v", chunk.Key.Log())
+		log.Trace(fmt.Sprintf("dpa: retrieve loop : chunk %v", chunk.Key.Log()))
 		storedChunk, err := self.Get(chunk.Key)
 		if err == notFound {
-			glog.V(logger.Detail).Infof("chunk %v not found", chunk.Key.Log())
+			log.Trace(fmt.Sprintf("chunk %v not found", chunk.Key.Log()))
 		} else if err != nil {
-			glog.V(logger.Detail).Infof("error retrieving chunk %v: %v", chunk.Key.Log(), err)
+			log.Trace(fmt.Sprintf("error retrieving chunk %v: %v", chunk.Key.Log(), err))
 		} else {
 			chunk.SData = storedChunk.SData
 			chunk.Size = storedChunk.Size
@@ -162,7 +162,7 @@ func (self *DPA) storeLoop() {
 	for i := 0; i < maxStoreProcesses; i++ {
 		go self.storeWorker()
 	}
-	glog.V(logger.Detail).Infof("dpa: store spawning %v workers", maxStoreProcesses)
+	log.Trace(fmt.Sprintf("dpa: store spawning %v workers", maxStoreProcesses))
 }
 
 func (self *DPA) storeWorker() {
@@ -170,7 +170,7 @@ func (self *DPA) storeWorker() {
 	for chunk := range self.storeC {
 		self.Put(chunk)
 		if chunk.wg != nil {
-			glog.V(logger.Detail).Infof("dpa: store processor %v", chunk.Key.Log())
+			log.Trace(fmt.Sprintf("dpa: store processor %v", chunk.Key.Log()))
 			chunk.wg.Done()
 
 		}
@@ -203,17 +203,17 @@ func (self *dpaChunkStore) Get(key Key) (chunk *Chunk, err error) {
 	chunk, err = self.netStore.Get(key)
 	// timeout := time.Now().Add(searchTimeout)
 	if chunk.SData != nil {
-		glog.V(logger.Detail).Infof("DPA.Get: %v found locally, %d bytes", key.Log(), len(chunk.SData))
+		log.Trace(fmt.Sprintf("DPA.Get: %v found locally, %d bytes", key.Log(), len(chunk.SData)))
 		return
 	}
 	// TODO: use self.timer time.Timer and reset with defer disableTimer
 	timer := time.After(searchTimeout)
 	select {
 	case <-timer:
-		glog.V(logger.Detail).Infof("DPA.Get: %v request time out ", key.Log())
+		log.Trace(fmt.Sprintf("DPA.Get: %v request time out ", key.Log()))
 		err = notFound
 	case <-chunk.Req.C:
-		glog.V(logger.Detail).Infof("DPA.Get: %v retrieved, %d bytes (%p)", key.Log(), len(chunk.SData), chunk)
+		log.Trace(fmt.Sprintf("DPA.Get: %v retrieved, %d bytes (%p)", key.Log(), len(chunk.SData), chunk))
 	}
 	return
 }
@@ -222,18 +222,18 @@ func (self *dpaChunkStore) Get(key Key) (chunk *Chunk, err error) {
 func (self *dpaChunkStore) Put(entry *Chunk) {
 	chunk, err := self.localStore.Get(entry.Key)
 	if err != nil {
-		glog.V(logger.Detail).Infof("DPA.Put: %v new chunk. call netStore.Put", entry.Key.Log())
+		log.Trace(fmt.Sprintf("DPA.Put: %v new chunk. call netStore.Put", entry.Key.Log()))
 		chunk = entry
 	} else if chunk.SData == nil {
-		glog.V(logger.Detail).Infof("DPA.Put: %v request entry found", entry.Key.Log())
+		log.Trace(fmt.Sprintf("DPA.Put: %v request entry found", entry.Key.Log()))
 		chunk.SData = entry.SData
 		chunk.Size = entry.Size
 	} else {
-		glog.V(logger.Detail).Infof("DPA.Put: %v chunk already known", entry.Key.Log())
+		log.Trace(fmt.Sprintf("DPA.Put: %v chunk already known", entry.Key.Log()))
 		return
 	}
 	// from this point on the storage logic is the same with network storage requests
-	glog.V(logger.Detail).Infof("DPA.Put %v: %v", self.n, chunk.Key.Log())
+	log.Trace(fmt.Sprintf("DPA.Put %v: %v", self.n, chunk.Key.Log()))
 	self.n++
 	self.netStore.Put(chunk)
 }
diff --git a/swarm/storage/memstore.go b/swarm/storage/memstore.go
index 7903d33e7..f96792c6e 100644
--- a/swarm/storage/memstore.go
+++ b/swarm/storage/memstore.go
@@ -19,10 +19,10 @@
 package storage
 
 import (
+	"fmt"
 	"sync"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 const (
@@ -287,11 +287,11 @@ func (s *MemStore) removeOldest() {
 	}
 
 	if node.entry.dbStored != nil {
-		glog.V(logger.Detail).Infof("Memstore Clean: Waiting for chunk %v to be saved", node.entry.Key.Log())
+		log.Trace(fmt.Sprintf("Memstore Clean: Waiting for chunk %v to be saved", node.entry.Key.Log()))
 		<-node.entry.dbStored
-		glog.V(logger.Detail).Infof("Memstore Clean: Chunk %v saved to DBStore. Ready to clear from mem.", node.entry.Key.Log())
+		log.Trace(fmt.Sprintf("Memstore Clean: Chunk %v saved to DBStore. Ready to clear from mem.", node.entry.Key.Log()))
 	} else {
-		glog.V(logger.Detail).Infof("Memstore Clean: Chunk %v already in DB. Ready to delete.", node.entry.Key.Log())
+		log.Trace(fmt.Sprintf("Memstore Clean: Chunk %v already in DB. Ready to delete.", node.entry.Key.Log()))
 	}
 
 	if node.entry.SData != nil {
diff --git a/swarm/storage/netstore.go b/swarm/storage/netstore.go
index 46479b58a..7c0436c3f 100644
--- a/swarm/storage/netstore.go
+++ b/swarm/storage/netstore.go
@@ -17,12 +17,12 @@
 package storage
 
 import (
+	"fmt"
 	"path/filepath"
 	"sync"
 	"time"
 
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 /*
@@ -98,14 +98,14 @@ func (self *NetStore) Put(entry *Chunk) {
 
 	// handle deliveries
 	if entry.Req != nil {
-		glog.V(logger.Detail).Infof("NetStore.Put: localStore.Put %v hit existing request...delivering", entry.Key.Log())
+		log.Trace(fmt.Sprintf("NetStore.Put: localStore.Put %v hit existing request...delivering", entry.Key.Log()))
 		// closing C signals to other routines (local requests)
 		// that the chunk is has been retrieved
 		close(entry.Req.C)
 		// deliver the chunk to requesters upstream
 		go self.cloud.Deliver(entry)
 	} else {
-		glog.V(logger.Detail).Infof("NetStore.Put: localStore.Put %v stored locally", entry.Key.Log())
+		log.Trace(fmt.Sprintf("NetStore.Put: localStore.Put %v stored locally", entry.Key.Log()))
 		// handle propagating store requests
 		// go self.cloud.Store(entry)
 		go self.cloud.Store(entry)
@@ -118,15 +118,15 @@ func (self *NetStore) Get(key Key) (*Chunk, error) {
 	chunk, err := self.localStore.Get(key)
 	if err == nil {
 		if chunk.Req == nil {
-			glog.V(logger.Detail).Infof("NetStore.Get: %v found locally", key)
+			log.Trace(fmt.Sprintf("NetStore.Get: %v found locally", key))
 		} else {
-			glog.V(logger.Detail).Infof("NetStore.Get: %v hit on an existing request", key)
+			log.Trace(fmt.Sprintf("NetStore.Get: %v hit on an existing request", key))
 			// no need to launch again
 		}
 		return chunk, err
 	}
 	// no data and no request status
-	glog.V(logger.Detail).Infof("NetStore.Get: %v not found locally. open new request", key)
+	log.Trace(fmt.Sprintf("NetStore.Get: %v not found locally. open new request", key))
 	chunk = NewChunk(key, newRequestStatus(key))
 	self.localStore.memStore.Put(chunk)
 	go self.cloud.Retrieve(chunk)
diff --git a/swarm/swarm.go b/swarm/swarm.go
index eab01f036..44564a71d 100644
--- a/swarm/swarm.go
+++ b/swarm/swarm.go
@@ -26,8 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/contracts/chequebook"
 	"github.com/ethereum/go-ethereum/contracts/ens"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/logger/glog"
+	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/discover"
@@ -88,7 +87,7 @@ func NewSwarm(ctx *node.ServiceContext, backend chequebook.Backend, config *api.
 		privateKey:  config.Swap.PrivateKey(),
 		corsString:  cors,
 	}
-	glog.V(logger.Debug).Infof("Setting up Swarm service components")
+	log.Debug(fmt.Sprintf("Setting up Swarm service components"))
 
 	hash := storage.MakeHashFunc(config.ChunkerParams.Hash)
 	self.lstore, err = storage.NewLocalStore(hash, config.StoreParams)
@@ -97,10 +96,10 @@ func NewSwarm(ctx *node.ServiceContext, backend chequebook.Backend, config *api.
 	}
 
 	// setup local store
-	glog.V(logger.Debug).Infof("Set up local storage")
+	log.Debug(fmt.Sprintf("Set up local storage"))
 
 	self.dbAccess = network.NewDbAccess(self.lstore)
-	glog.V(logger.Debug).Infof("Set up local db access (iterator/counter)")
+	log.Debug(fmt.Sprintf("Set up local db access (iterator/counter)"))
 
 	// set up the kademlia hive
 	self.hive = network.NewHive(
@@ -109,26 +108,26 @@ func NewSwarm(ctx *node.ServiceContext, backend chequebook.Backend, config *api.
 		swapEnabled,                          // SWAP enabled
 		syncEnabled,                          // syncronisation enabled
 	)
-	glog.V(logger.Debug).Infof("Set up swarm network with Kademlia hive")
+	log.Debug(fmt.Sprintf("Set up swarm network with Kademlia hive"))
 
 	// setup cloud storage backend
 	cloud := network.NewForwarder(self.hive)
-	glog.V(logger.Debug).Infof("-> set swarm forwarder as cloud storage backend")
+	log.Debug(fmt.Sprintf("-> set swarm forwarder as cloud storage backend"))
 	// setup cloud storage internal access layer
 
 	self.storage = storage.NewNetStore(hash, self.lstore, cloud, config.StoreParams)
-	glog.V(logger.Debug).Infof("-> swarm net store shared access layer to Swarm Chunk Store")
+	log.Debug(fmt.Sprintf("-> swarm net store shared access layer to Swarm Chunk Store"))
 
 	// set up Depo (storage handler = cloud storage access layer for incoming remote requests)
 	self.depo = network.NewDepo(hash, self.lstore, self.storage)
-	glog.V(logger.Debug).Infof("-> REmote Access to CHunks")
+	log.Debug(fmt.Sprintf("-> REmote Access to CHunks"))
 
 	// set up DPA, the cloud storage local access layer
 	dpaChunkStore := storage.NewDpaChunkStore(self.lstore, self.storage)
-	glog.V(logger.Debug).Infof("-> Local Access to Swarm")
+	log.Debug(fmt.Sprintf("-> Local Access to Swarm"))
 	// Swarm Hash Merklised Chunking for Arbitrary-length Document/File storage
 	self.dpa = storage.NewDPA(dpaChunkStore, self.config.ChunkerParams)
-	glog.V(logger.Debug).Infof("-> Content Store API")
+	log.Debug(fmt.Sprintf("-> Content Store API"))
 
 	// set up high level api
 	transactOpts := bind.NewKeyedTransactor(self.privateKey)
@@ -137,11 +136,11 @@ func NewSwarm(ctx *node.ServiceContext, backend chequebook.Backend, config *api.
 	if err != nil {
 		return nil, err
 	}
-	glog.V(logger.Debug).Infof("-> Swarm Domain Name Registrar @ address %v", config.EnsRoot.Hex())
+	log.Debug(fmt.Sprintf("-> Swarm Domain Name Registrar @ address %v", config.EnsRoot.Hex()))
 
 	self.api = api.NewApi(self.dpa, self.dns)
 	// Manifests for Smart Hosting
-	glog.V(logger.Debug).Infof("-> Web3 virtual server API")
+	log.Debug(fmt.Sprintf("-> Web3 virtual server API"))
 
 	return self, nil
 }
@@ -173,21 +172,21 @@ func (self *Swarm) Start(net *p2p.Server) error {
 		if err != nil {
 			return fmt.Errorf("Unable to set chequebook for SWAP: %v", err)
 		}
-		glog.V(logger.Debug).Infof("-> cheque book for SWAP: %v", self.config.Swap.Chequebook())
+		log.Debug(fmt.Sprintf("-> cheque book for SWAP: %v", self.config.Swap.Chequebook()))
 	} else {
-		glog.V(logger.Debug).Infof("SWAP disabled: no cheque book set")
+		log.Debug(fmt.Sprintf("SWAP disabled: no cheque book set"))
 	}
 
-	glog.V(logger.Warn).Infof("Starting Swarm service")
+	log.Warn(fmt.Sprintf("Starting Swarm service"))
 	self.hive.Start(
 		discover.PubkeyID(&net.PrivateKey.PublicKey),
 		func() string { return net.ListenAddr },
 		connectPeer,
 	)
-	glog.V(logger.Info).Infof("Swarm network started on bzz address: %v", self.hive.Addr())
+	log.Info(fmt.Sprintf("Swarm network started on bzz address: %v", self.hive.Addr()))
 
 	self.dpa.Start()
-	glog.V(logger.Debug).Infof("Swarm DPA started")
+	log.Debug(fmt.Sprintf("Swarm DPA started"))
 
 	// start swarm http proxy server
 	if self.config.Port != "" {
@@ -195,10 +194,10 @@ func (self *Swarm) Start(net *p2p.Server) error {
 		go httpapi.StartHttpServer(self.api, &httpapi.Server{Addr: addr, CorsString: self.corsString})
 	}
 
-	glog.V(logger.Debug).Infof("Swarm http proxy started on port: %v", self.config.Port)
+	log.Debug(fmt.Sprintf("Swarm http proxy started on port: %v", self.config.Port))
 
 	if self.corsString != "" {
-		glog.V(logger.Debug).Infof("Swarm http proxy started with corsdomain:", self.corsString)
+		log.Debug(fmt.Sprintf("Swarm http proxy started with corsdomain: %v", self.corsString))
 	}
 
 	return nil
@@ -279,7 +278,7 @@ func (self *Swarm) SetChequebook(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	glog.V(logger.Info).Infof("new chequebook set (%v): saving config file, resetting all connections in the hive", self.config.Swap.Contract.Hex())
+	log.Info(fmt.Sprintf("new chequebook set (%v): saving config file, resetting all connections in the hive", self.config.Swap.Contract.Hex()))
 	self.config.Save()
 	self.hive.DropAll()
 	return nil