diff --git a/config.go b/config.go
index 912cf50..2c0b443 100644
--- a/config.go
+++ b/config.go
@@ -17,7 +17,6 @@
 package robot
 
 import (
-	"github.com/CortexFoundation/CortexTheseus/metrics"
 	"time"
 )
 
@@ -26,10 +25,3 @@ const (
 	delay   = 12       //params.Delay
 	timeout = 30 * time.Second
 )
-
-var (
-	rpcBlockMeter   = metrics.NewRegisteredMeter("torrent/block/call", nil)
-	rpcCurrentMeter = metrics.NewRegisteredMeter("torrent/current/call", nil)
-	rpcUploadMeter  = metrics.NewRegisteredMeter("torrent/upload/call", nil)
-	rpcReceiptMeter = metrics.NewRegisteredMeter("torrent/receipt/call", nil)
-)
diff --git a/metrics.go b/metrics.go
new file mode 100644
index 0000000..7f2219f
--- /dev/null
+++ b/metrics.go
@@ -0,0 +1,28 @@
+// Copyright 2023 The CortexTheseus Authors
+// This file is part of the CortexTheseus library.
+//
+// The CortexTheseus library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The CortexTheseus library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the CortexTheseus library. If not, see <http://www.gnu.org/licenses/>.
+
+package robot
+
+import (
+	"github.com/CortexFoundation/CortexTheseus/metrics"
+)
+
+var (
+	rpcBlockMeter   = metrics.NewRegisteredMeter("torrent/block/call", nil)
+	rpcCurrentMeter = metrics.NewRegisteredMeter("torrent/current/call", nil)
+	rpcUploadMeter  = metrics.NewRegisteredMeter("torrent/upload/call", nil)
+	rpcReceiptMeter = metrics.NewRegisteredMeter("torrent/receipt/call", nil)
+)