Return hostname in status page

blockbook.go

@@ -309,7 +309,17 @@ func main() {
 }
 
 func newInternalState(coin string, d *db.RocksDB) (*common.InternalState, error) {
-	return d.LoadInternalState(coin)
+	is, err := d.LoadInternalState(coin)
+	if err != nil {
+		return nil, err
+	}
+	name, err := os.Hostname()
+	if err != nil {
+		glog.Error("get hostname ", err)
+	} else {
+		is.Host = name
+	}
+	return is, nil
 }
 
 func tickAndDebounce(tickTime time.Duration, debounceTime time.Duration, input chan struct{}, f func()) {

common/internalstate.go

@@ -27,6 +27,7 @@ type InternalState struct {
 	mux sync.Mutex
 
 	Coin string `json:"coin"`
+	Host string `json:"host"`
 
 	DbState uint32 `json:"dbState"`
 

server/socketio.go

@@ -144,7 +144,7 @@ func (s *SocketIoServer) addressRedirect(w http.ResponseWriter, r *http.Request)
 
 type resAboutBlockbookPublic struct {
 	Coin            string    `json:"coin"`
-	About           string    `json:"about"`
+	Host            string    `json:"host"`
 	Version         string    `json:"version"`
 	GitCommit       string    `json:"gitcommit"`
 	BuildTime       string    `json:"buildtime"`
@@ -153,6 +153,7 @@ type resAboutBlockbookPublic struct {
 	LastBlockTime   time.Time `json:"lastBlockTime"`
 	InSyncMempool   bool      `json:"inSyncMempool"`
 	LastMempoolTime time.Time `json:"lastMempoolTime"`
+	About           string    `json:"about"`
 }
 
 func (s *SocketIoServer) index(w http.ResponseWriter, r *http.Request) {
@@ -161,7 +162,7 @@ func (s *SocketIoServer) index(w http.ResponseWriter, r *http.Request) {
 	ms, mt := s.is.GetMempoolSyncState()
 	a := resAboutBlockbookPublic{
 		Coin:            s.is.Coin,
-		About:           blockbookAbout,
+		Host:            s.is.Host,
 		Version:         vi.Version,
 		GitCommit:       vi.GitCommit,
 		BuildTime:       vi.BuildTime,
@@ -170,6 +171,7 @@ func (s *SocketIoServer) index(w http.ResponseWriter, r *http.Request) {
 		LastBlockTime:   st,
 		InSyncMempool:   ms,
 		LastMempoolTime: mt,
+		About:           blockbookAbout,
 	}
 	buf, err := json.MarshalIndent(a, "", "    ")
 	if err != nil {