1 files changed, 0 insertions, 73 deletions
diff --git a/dex/nodetable.go b/dex/nodetable.go
deleted file mode 100644
index cc1de160f..000000000
--- a/dex/nodetable.go
+++ /dev/null
@@ -1,73 +0,0 @@
-package dex
-
-import (
-	"sync"
-
-	"github.com/dexon-foundation/dexon/event"
-	"github.com/dexon-foundation/dexon/log"
-	"github.com/dexon-foundation/dexon/p2p/enode"
-	"github.com/dexon-foundation/dexon/p2p/enr"
-)
-
-type newRecordsEvent struct{ Records []*enr.Record }
-
-type nodeTable struct {
-	mu    sync.RWMutex
-	entry map[enode.ID]*enode.Node
-	feed  event.Feed
-}
-
-func newNodeTable() *nodeTable {
-	return &nodeTable{
-		entry: make(map[enode.ID]*enode.Node),
-	}
-}
-
-func (t *nodeTable) GetNode(id enode.ID) *enode.Node {
-	t.mu.RLock()
-	defer t.mu.RUnlock()
-	return t.entry[id]
-}
-
-func (t *nodeTable) AddRecords(records []*enr.Record) {
-	t.mu.Lock()
-	defer t.mu.Unlock()
-
-	var newRecords []*enr.Record
-	for _, record := range records {
-		node, err := enode.New(enode.ValidSchemes, record)
-		if err != nil {
-			log.Error("invalid node record", "err", err)
-			return
-		}
-
-		if n, ok := t.entry[node.ID()]; ok && n.Seq() >= node.Seq() {
-			log.Trace("Ignore new record, already exists", "id", node.ID().String(),
-				"ip", node.IP().String(), "udp", node.UDP(), "tcp", node.TCP())
-			continue
-		}
-
-		t.entry[node.ID()] = node
-		newRecords = append(newRecords, record)
-		log.Debug("Add new record to node table", "id", node.ID().String(),
-			"ip", node.IP().String(), "udp", node.UDP(), "tcp", node.TCP())
-	}
-	if len(newRecords) > 0 {
-		go t.feed.Send(newRecordsEvent{newRecords})
-	}
-}
-
-func (t *nodeTable) Records() []*enr.Record {
-	t.mu.RLock()
-	defer t.mu.RUnlock()
-	records := make([]*enr.Record, 0, len(t.entry))
-	for _, node := range t.entry {
-		records = append(records, node.Record())
-	}
-	return records
-}
-
-func (t *nodeTable) SubscribeNewRecordsEvent(
-	ch chan<- newRecordsEvent) event.Subscription {
-	return t.feed.Subscribe(ch)
-}