fetch with ws

src/dlobProvider.ts

@@ -11,6 +11,7 @@ export type DLOBProvider = {
 	}>;
 	getUserAccount(publicKey: PublicKey): UserAccount | undefined;
 	size(): number;
+	fetch(): Promise<void>;
 };
 
 export function getDLOBProviderFromUserMap(userMap: UserMap): DLOBProvider {
@@ -38,6 +39,9 @@ export function getDLOBProviderFromUserMap(userMap: UserMap): DLOBProvider {
 		size: () => {
 			return userMap.size();
 		},
+		fetch: () => {
+			return userMap.sync();
+		},
 	};
 }
 
@@ -73,5 +77,8 @@ export function getDLOBProviderFromOrderSubscriber(
 		size(): number {
 			return orderSubscriber.usersAccounts.size;
 		},
+		fetch() {
+			return orderSubscriber.fetch();
+		},
 	};
 }