API add get state

db/historydb/historydb.go

@@ -1482,3 +1482,9 @@ func (hdb *HistoryDB) GetAccountsAPI(tokenIDs []common.TokenID, ethAddr *ethComm
 		LastItem:   accounts[0].LastItem,
 	}, nil
 }
+
+// GetMetrics returns metrics
+func (hdb *HistoryDB) GetMetrics() (Metrics, error) {
+	metrics := Metrics{}
+	return metrics, nil
+}

db/historydb/views.go

@@ -298,14 +298,6 @@ type BatchAPI struct {
 	LastItem      uint64                 `json:"-" meddler:"last_item"`
 }
 
-// Network define status of the network
-type Network struct {
-	LastBlock   int64            `json:"lastBlock"`
-	LastBatch   BatchAPI         `json:"lastBatch"`
-	CurrentSlot int64            `json:"currentSlot"`
-	NextForgers []CoordinatorAPI `json:"nextForgers"`
-}
-
 // Metrics define metrics of the network
 type Metrics struct {
 	TransactionsPerBatch  float64 `json:"transactionsPerBatch"`