feat(): add V2 REST client with initial endpoints

src/util/requestUtils.ts

@@ -98,4 +98,5 @@ export const REST_CLIENT_TYPE_ENUM = {
   spot: 'spot',
   futures: 'futures',
   broker: 'broker',
+  v2: 'v2',
 } as const;

src/util/type-guards.ts

@@ -1,4 +1,5 @@
 import {
+  MarginType,
   WsAccountSnapshotUMCBL,
   WsBaseEvent,
   WSPositionSnapshotUMCBL,
@@ -71,3 +72,13 @@ export function isWsFuturesPositionsSnapshotEvent(
 ): event is WSPositionSnapshotUMCBL {
   return isWsPositionsSnapshotEvent(event) && event.arg.instType === 'umcbl';
 }
+
+/**
+ * Simple guard for non-TypeScript users, throw a runtime error if value doesn't match type
+ */
+export function assertMarginType(marginType: string): marginType is MarginType {
+  if (marginType !== 'isolated' && marginType !== 'crossed') {
+    throw new Error(`MarginType should be one of: crossed | isolated`);
+  }
+  return true;
+}

src/util/websocket-util.ts

@@ -19,17 +19,40 @@ type NetworkMap<
 
 export const WS_BASE_URL_MAP: Record<
   WsKey,
-  Record<'all', NetworkMap<'livenet'>>
+  Record<'all' | 'public' | 'private', NetworkMap<'livenet'>>
 > = {
   mixv1: {
     all: {
       livenet: 'wss://ws.bitget.com/mix/v1/stream',
     },
+    public: {
+      livenet: 'N/A',
+    },
+    private: {
+      livenet: 'N/A',
+    },
   },
   spotv1: {
     all: {
       livenet: 'wss://ws.bitget.com/spot/v1/stream',
     },
+    public: {
+      livenet: 'N/A',
+    },
+    private: {
+      livenet: 'N/A',
+    },
+  },
+  v2: {
+    all: {
+      livenet: 'N/A',
+    },
+    public: {
+      livenet: 'wss://ws.bitget.com/v2/ws/public',
+    },
+    private: {
+      livenet: 'wss://ws.bitget.com/v2/ws/private',
+    },
   },
 };
 
@@ -37,6 +60,7 @@ export const WS_BASE_URL_MAP: Record<
 export const WS_KEY_MAP = {
   spotv1: 'spotv1',
   mixv1: 'mixv1',
+  v2: 'v2',
 } as const;
 
 /** Any WS keys in this list will trigger auth on connect, if credentials are available */
@@ -88,7 +112,8 @@ export function getWsKeyForTopic(
 export function getMaxTopicsPerSubscribeEvent(wsKey: WsKey): number | null {
   switch (wsKey) {
     case 'mixv1':
-    case 'spotv1': {
+    case 'spotv1':
+    case 'v2': {
       // Technically there doesn't seem to be a documented cap, but there is a size limit per request. Doesn't hurt to batch requests.
       return 15;
     }