Merge pull request #334 from uprendis/feature/genesis-id-cache

Cache for genesis ID

Author: uprendis

gossip/service.go

@@ -210,6 +210,7 @@ func newService(config Config, store *Store, blockProc BlockProc, engine lachesi
 	svc.store.GetLastEVs()
 	svc.store.GetLlrState()
 	svc.store.GetUpgradeHeights()
+	svc.store.GetGenesisID()
 	netVerStore := verwatcher.NewStore(store.table.NetworkVersion)
 	netVerStore.GetNetworkVersion()
 	netVerStore.GetMissedVersion()

gossip/store.go

@@ -79,6 +79,7 @@ type Store struct {
 		LlrState               atomic.Value // store by value
 		KvdbEvmSnap            atomic.Value // store by pointer
 		UpgradeHeights         atomic.Value // store by pointer
+		Genesis                atomic.Value // store by value
 	}
 
 	mutex struct {

gossip/store_block.go

@@ -14,6 +14,10 @@ import (
 )
 
 func (s *Store) GetGenesisID() *hash.Hash {
+	if v := s.cache.Genesis.Load(); v != nil {
+		val := v.(hash.Hash)
+		return &val
+	}
 	valBytes, err := s.table.Genesis.Get([]byte("g"))
 	if err != nil {
 		s.Log.Crit("Failed to get key-value", "err", err)
@@ -22,6 +26,7 @@ func (s *Store) GetGenesisID() *hash.Hash {
 		return nil
 	}
 	val := hash.BytesToHash(valBytes)
+	s.cache.Genesis.Store(val)
 	return &val
 }
 
@@ -38,6 +43,7 @@ func (s *Store) SetGenesisID(val hash.Hash) {
 	if err != nil {
 		s.Log.Crit("Failed to put key-value", "err", err)
 	}
+	s.cache.Genesis.Store(val)
 }
 
 // SetBlock stores chain block.