swarm: fix megacheck warnings

swarm/network/hive.go

@@ -355,7 +355,7 @@ func saveSync(record *kademlia.NodeRecord, node kademlia.Node) {
 // sends relevant peer data given by the kademlia hive to the requester
 // TODO: remember peers sent for duration of the session, only new peers sent
 func (self *Hive) peers(req *retrieveRequestMsgData) {
-	if req != nil && req.MaxPeers >= 0 {
+	if req != nil {
 		var addrs []*peerAddr
 		if req.timeout == nil || time.Now().Before(*(req.timeout)) {
 			key := req.Key

swarm/network/messages.go

@@ -133,7 +133,7 @@ type retrieveRequestMsgData struct {
 	from     *peer       //
 }
 
-func (self retrieveRequestMsgData) String() string {
+func (self *retrieveRequestMsgData) String() string {
 	var from string
 	if self.from == nil {
 		from = "ourselves"
@@ -148,12 +148,12 @@ func (self retrieveRequestMsgData) String() string {
 }
 
 // lookups are encoded by missing request ID
-func (self retrieveRequestMsgData) isLookup() bool {
+func (self *retrieveRequestMsgData) isLookup() bool {
 	return self.Id == 0
 }
 
 // sets timeout fields
-func (self retrieveRequestMsgData) setTimeout(t *time.Time) {
+func (self *retrieveRequestMsgData) setTimeout(t *time.Time) {
 	self.timeout = t
 	if t != nil {
 		self.Timeout = uint64(t.UnixNano())
@@ -162,7 +162,7 @@ func (self retrieveRequestMsgData) setTimeout(t *time.Time) {
 	}
 }
 
-func (self retrieveRequestMsgData) getTimeout() (t *time.Time) {
+func (self *retrieveRequestMsgData) getTimeout() (t *time.Time) {
 	if self.Timeout > 0 && self.timeout == nil {
 		timeout := time.Unix(int64(self.Timeout), 0)
 		t = &timeout
@@ -180,7 +180,7 @@ type peerAddr struct {
 }
 
 // peerAddr pretty prints as enode
-func (self peerAddr) String() string {
+func (self *peerAddr) String() string {
 	var nodeid discover.NodeID
 	copy(nodeid[:], self.ID)
 	return discover.NewNode(nodeid, self.IP, 0, self.Port).String()
@@ -213,7 +213,7 @@ type peersMsgData struct {
 }
 
 // peers msg pretty printer
-func (self peersMsgData) String() string {
+func (self *peersMsgData) String() string {
 	var from string
 	if self.from == nil {
 		from = "ourselves"
@@ -227,7 +227,7 @@ func (self peersMsgData) String() string {
 	return fmt.Sprintf("from: %v, Key: %x; ID: %v, Peers: %v", from, target, self.Id, self.Peers)
 }
 
-func (self peersMsgData) setTimeout(t *time.Time) {
+func (self *peersMsgData) setTimeout(t *time.Time) {
 	self.timeout = t
 	if t != nil {
 		self.Timeout = uint64(t.UnixNano())
@@ -236,15 +236,6 @@ func (self peersMsgData) setTimeout(t *time.Time) {
 	}
 }
 
-func (self peersMsgData) getTimeout() (t *time.Time) {
-	if self.Timeout > 0 && self.timeout == nil {
-		timeout := time.Unix(int64(self.Timeout), 0)
-		t = &timeout
-		self.timeout = t
-	}
-	return
-}
-
 /*
 syncRequest
 

swarm/network/protocol.go

@@ -40,7 +40,6 @@ import (
 	"github.com/ethereum/go-ethereum/contracts/chequebook"
 	"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"
 	"github.com/ethereum/go-ethereum/swarm/services/swap/swap"
 	"github.com/ethereum/go-ethereum/swarm/storage"
@@ -56,8 +55,6 @@ const (
 // bzz represents the swarm wire protocol
 // an instance is running on each peer
 type bzz struct {
-	selfID     discover.NodeID      // peer's node id used in peer advertising in handshake
-	key        storage.Key          // baseaddress as storage.Key
 	storage    StorageHandler       // handler storage/retrieval related requests coming via the bzz wire protocol
 	hive       *Hive                // the logistic manager, peerPool, routing service and peer handler
 	dbAccess   *DbAccess            // access to db storage counter and iterator for syncing

swarm/network/syncer.go

@@ -156,8 +156,7 @@ type syncer struct {
 	quit            chan bool       // signal to quit loops
 
 	// DB related fields
-	dbAccess *DbAccess            // access to dbStore
-	db       *storage.LDBDatabase // delivery msg db
+	dbAccess *DbAccess // access to dbStore
 
 	// native fields
 	queues     [priorities]*syncDb                   // in-memory cache / queues for sync reqs