Fix get history

src/common.ts

@@ -1,6 +1,6 @@
-export const MAX_DATA_LENGTH = 1000
+export const MAX_DATA_LENGTH = 1000;
 
-export const DEFAULT_KEY = new Uint8Array(16)
+export const DEFAULT_KEY = new Uint8Array(16);
 
 export enum MessageTypes {
   Subscribe = 0x0000,
@@ -9,4 +9,5 @@ export enum MessageTypes {
   UserDataResponse = 0x0003,
   Keepalive = 0x0005,
   GetHistory = 0xfffe,
+  Unsubscribe = 0xffff,
 }

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,
-}
+};