Add option to disable ntp sync to statusd (#1031)

.travis.yml

@@ -30,7 +30,7 @@ jobs:
     script:
       # Sync the chain first. It will time out after 30 minutes. Used network: Rinkeby.
       - make statusgo
-      - ./build/bin/statusd -datadir=.ethereumtest/Rinkeby -les -networkid=4 -sync-and-exit=45 -log=WARN -standalone=false -discovery=false
+      - ./build/bin/statusd -datadir=.ethereumtest/Rinkeby -les -networkid=4 -sync-and-exit=45 -log=WARN -standalone=false -discovery=false -ntp=false
       - make test-e2e networkid=4
 cache:
   directories:

cmd/statusd/main.go

@@ -79,6 +79,8 @@ var (
 
 	syncAndExit = flag.Int("sync-and-exit", -1, "Timeout in minutes for blockchain sync and exit, zero means no timeout unless sync is finished")
 
+	ntpSyncEnabled = flag.Bool("ntp", true, "Enable/disable whisper NTP synchronization")
+
 	// Topics that will be search and registered by discovery v5.
 	searchTopics   = topics.TopicLimitsFlag{}
 	registerTopics = topics.TopicFlag{}
@@ -250,6 +252,8 @@ func makeNodeConfig() (*params.NodeConfig, error) {
 	nodeConfig.RequireTopics = map[discv5.Topic]params.Limits(searchTopics)
 	nodeConfig.RegisterTopics = []discv5.Topic(registerTopics)
 
+	nodeConfig.WhisperConfig.EnableNTPSync = *ntpSyncEnabled
+
 	// Even if standalone is true and discovery is disabled,
 	// it's possible to use bootnodes.
 	if *bootnodes != "" {