Fix get history

src/mapping.ts

@@ -1,3 +1,15 @@
+import { packSubscribeMessage } from "./messages/subscribe";
+import { packBasicMessage, unpackBasicMessage } from "./messages/basic";
+import {
+  packUserDataRequestMessage,
+  unpackUserDataRequestMessage,
+} from "./messages/userDataRequest";
+import {
+  packUserDataResponseMessage,
+  unpackUserDataResponseMessage,
+} from "./messages/userDataResponse";
+import { packKeepaliveMessage } from "./messages/keepalive";
+import { packUnsubscribeMessage } from "./messages/unsubscribe";
 import { packGetHistoryMessage } from "./messages/history";
 
 export const packers = {
@@ -8,9 +20,10 @@ export const packers = {
   0x0005: packKeepaliveMessage,
   0xfffe: packGetHistoryMessage,
   0xffff: packUnsubscribeMessage,
+};
 
 export const unpackers = {
   0x0001: unpackBasicMessage,
   0x0002: unpackUserDataRequestMessage,
-  0x0003: unpackUserDataResponseMessage
-}
+  0x0003: unpackUserDataResponseMessage,
+};