rename method to endpoint

codec/codec.go

@@ -50,11 +50,11 @@ type Marshaler interface {
 // the communication, likely followed by the body.
 // In the case of an error, body may be nil.
 type Message struct {
-	Id     string
-	Type   MessageType
-	Target string
-	Method string
-	Error  string
+	Id       string
+	Type     MessageType
+	Target   string
+	Endpoint string
+	Error    string
 
 	// The values read from the socket
 	Header map[string]string