all: use gometalinter.v2, fix new gosimple issues (#15650)

swarm/api/config_test.go

@@ -36,7 +36,7 @@ func TestConfig(t *testing.T) {
 	one := NewDefaultConfig()
 	two := NewDefaultConfig()
 
-	if equal := reflect.DeepEqual(one, two); equal == false {
+	if equal := reflect.DeepEqual(one, two); !equal {
 		t.Fatal("Two default configs are not equal")
 	}
 

swarm/fuse/swarmfs_test.go

@@ -95,7 +95,7 @@ func mountDir(t *testing.T, api *api.Api, files map[string]fileInfo, bzzHash str
 	}
 
 	// Test listMounts
-	if found == false {
+	if !found {
 		t.Fatalf("Error getting mounts information for %v: %v", mountDir, err)
 	}
 
@@ -185,10 +185,8 @@ func isDirEmpty(name string) bool {
 	defer f.Close()
 
 	_, err = f.Readdirnames(1)
-	if err == io.EOF {
-		return true
-	}
-	return false
+
+	return err == io.EOF
 }
 
 type testAPI struct {
@@ -388,7 +386,7 @@ func (ta *testAPI) seekInMultiChunkFile(t *testing.T) {
 	d.Read(contents)
 	finfo := files["1.txt"]
 
-	if bytes.Compare(finfo.contents[:6024][5000:], contents) != 0 {
+	if !bytes.Equal(finfo.contents[:6024][5000:], contents) {
 		t.Fatalf("File seek contents mismatch")
 	}
 	d.Close()

swarm/storage/chunker_test.go

@@ -77,7 +77,7 @@ func (self *chunkerTester) Split(chunker Splitter, data io.Reader, size int64, c
 
 	key, err = chunker.Split(data, size, chunkC, swg, nil)
 	if err != nil && expectedError == nil {
-		err = errors.New(fmt.Sprintf("Split error: %v", err))
+		err = fmt.Errorf("Split error: %v", err)
 	}
 
 	if chunkC != nil {
@@ -123,7 +123,7 @@ func (self *chunkerTester) Append(chunker Splitter, rootKey Key, data io.Reader,
 
 	key, err = chunker.Append(rootKey, data, chunkC, swg, nil)
 	if err != nil && expectedError == nil {
-		err = errors.New(fmt.Sprintf("Append error: %v", err))
+		err = fmt.Errorf("Append error: %v", err)
 	}
 
 	if chunkC != nil {

swarm/storage/pyramid.go

@@ -391,7 +391,7 @@ func (self *PyramidChunker) prepareChunks(isAppend bool, chunkLevel [][]*TreeEnt
 	parent := NewTreeEntry(self)
 	var unFinishedChunk *Chunk
 
-	if isAppend == true && len(chunkLevel[0]) != 0 {
+	if isAppend && len(chunkLevel[0]) != 0 {
 
 		lastIndex := len(chunkLevel[0]) - 1
 		ent := chunkLevel[0][lastIndex]
@@ -512,7 +512,7 @@ func (self *PyramidChunker) buildTree(isAppend bool, chunkLevel [][]*TreeEntry,
 		}
 	}
 
-	if compress == false && last == false {
+	if !compress && !last {
 		return
 	}
 
@@ -522,7 +522,7 @@ func (self *PyramidChunker) buildTree(isAppend bool, chunkLevel [][]*TreeEntry,
 	for lvl := int64(ent.level); lvl < endLvl; lvl++ {
 
 		lvlCount := int64(len(chunkLevel[lvl]))
-		if lvlCount == 1 && last == true {
+		if lvlCount == 1 && last {
 			copy(rootKey, chunkLevel[lvl][0].key)
 			return
 		}
@@ -540,7 +540,7 @@ func (self *PyramidChunker) buildTree(isAppend bool, chunkLevel [][]*TreeEntry,
 				nextLvlCount = int64(len(chunkLevel[lvl+1]) - 1)
 				tempEntry = chunkLevel[lvl+1][nextLvlCount]
 			}
-			if isAppend == true && tempEntry != nil && tempEntry.updatePending == true {
+			if isAppend && tempEntry != nil && tempEntry.updatePending {
 				updateEntry := &TreeEntry{
 					level:         int(lvl + 1),
 					branchCount:   0,
@@ -585,9 +585,9 @@ func (self *PyramidChunker) buildTree(isAppend bool, chunkLevel [][]*TreeEntry,
 
 		}
 
-		if isAppend == false {
+		if !isAppend {
 			chunkWG.Wait()
-			if compress == true {
+			if compress {
 				chunkLevel[lvl] = nil
 			}
 		}
@@ -599,7 +599,7 @@ func (self *PyramidChunker) enqueueTreeChunk(chunkLevel [][]*TreeEntry, ent *Tre
 	if ent != nil {
 
 		// wait for data chunks to get over before processing the tree chunk
-		if last == true {
+		if last {
 			chunkWG.Wait()
 		}
 
@@ -612,7 +612,7 @@ func (self *PyramidChunker) enqueueTreeChunk(chunkLevel [][]*TreeEntry, ent *Tre
 		}
 
 		// Update or append based on weather it is a new entry or being reused
-		if ent.updatePending == true {
+		if ent.updatePending {
 			chunkWG.Wait()
 			chunkLevel[ent.level][ent.index] = ent
 		} else {