chore: remove unused code and enable extra linters (#5369)

Author: martinconic

.golangci.yml

@@ -23,6 +23,7 @@ linters:
     - promlinter
     - thelper
     - unconvert
+    - unused
   settings:
     goheader:
       values:

pkg/manifest/mantaray/marshal.go

@@ -190,11 +190,6 @@ func (bb *bitsForBytes) set(b byte) {
 	bb.bits[b/8] |= 1 << (b % 8)
 }
 
-//nolint:unused
-func (bb *bitsForBytes) get(b byte) bool {
-	return bb.getUint8(b)
-}
-
 func (bb *bitsForBytes) getUint8(i uint8) bool {
 	return (bb.bits[i/8]>>(i%8))&1 > 0
 }

pkg/manifest/mantaray/node.go

@@ -105,25 +105,10 @@ func (n *Node) makeWithMetadata() {
 	n.nodeType = n.nodeType | nodeTypeWithMetadata
 }
 
-//nolint:unused
-func (n *Node) makeNotValue() {
-	n.nodeType = (nodeTypeMask ^ nodeTypeValue) & n.nodeType
-}
-
-//nolint:unused
-func (n *Node) makeNotEdge() {
-	n.nodeType = (nodeTypeMask ^ nodeTypeEdge) & n.nodeType
-}
-
 func (n *Node) makeNotWithPathSeparator() {
 	n.nodeType = (nodeTypeMask ^ nodeTypeWithPathSeparator) & n.nodeType
 }
 
-//nolint:unused
-func (n *Node) makeNotWithMetadata() {
-	n.nodeType = (nodeTypeMask ^ nodeTypeWithMetadata) & n.nodeType
-}
-
 func (n *Node) SetObfuscationKey(obfuscationKey []byte) {
 	bytes := make([]byte, 32)
 	copy(bytes, obfuscationKey)

pkg/pusher/pusher.go

@@ -63,8 +63,7 @@ type Service struct {
 }
 
 const (
-	traceDuration     = 30 * time.Second // duration for every root tracing span
-	ConcurrentPushes  = swarm.Branches   // how many chunks to push simultaneously
+	ConcurrentPushes  = swarm.Branches // how many chunks to push simultaneously
 	DefaultRetryCount = 6
 )