updated flash privilige settings and improved token support

src/utils/flashUtils.ts

@@ -1,7 +1,13 @@
 import { HermesClient } from "@pythnetwork/hermes-client";
 import { OraclePrice } from "flash-sdk";
 import { AnchorProvider, BN, Wallet } from "@coral-xyz/anchor";
-import { PoolConfig, Token, Referral, PerpetualsClient } from "flash-sdk";
+import {
+  PoolConfig,
+  Token,
+  Referral,
+  PerpetualsClient,
+  Privilege,
+} from "flash-sdk";
 import { Cluster, PublicKey, Connection, Keypair } from "@solana/web3.js";
 import { getAssociatedTokenAddressSync } from "@solana/spl-token";
 
@@ -278,3 +284,16 @@ export function createPerpClient(
     {},
   );
 }
+
+const FLASH_PRIVILEGE = process.env.FLASH_PRIVILEGE || "None";
+
+export function get_flash_privilege(): Privilege {
+  switch (FLASH_PRIVILEGE.toLowerCase()) {
+    case "referral":
+      return Privilege.Referral;
+    case "nft":
+      return Privilege.NFT;
+    default:
+      return Privilege.None;
+  }
+}