chore: pass referral id in every request header

src/consts/LocalStorage.ts

@@ -0,0 +1 @@
+export const referralIdKey = "ref";

src/context/Global.tsx

@@ -16,6 +16,7 @@ import type { JSX } from "solid-js";
 
 import { config } from "../config";
 import { Denomination } from "../consts/Enums";
+import { referralIdKey } from "../consts/LocalStorage";
 import { swapStatusFinal } from "../consts/SwapStatus";
 import { detectLanguage } from "../i18n/detect";
 import dict, { DictKey } from "../i18n/i18n";
@@ -133,7 +134,7 @@ const GlobalProvider = (props: { children: JSX.Element }) => {
             isMobile() ? "boltz_webapp_mobile" : "boltz_webapp_desktop",
         ),
         {
-            name: "ref",
+            name: referralIdKey,
             ...stringSerializer,
         },
     );

src/utils/helper.ts

@@ -4,6 +4,7 @@ import { ECPairInterface } from "ecpair";
 import { chooseUrl, config } from "../config";
 import { BTC, LN } from "../consts/Assets";
 import { SwapType } from "../consts/Enums";
+import { referralIdKey } from "../consts/LocalStorage";
 import {
     ChainPairTypeTaproot,
     Pairs,
@@ -84,16 +85,25 @@ export const fetcher = async <T = unknown>(
     url: string,
     params?: Record<string, unknown>,
 ): Promise<T> => {
-    let opts = {};
+    // We cannot use the context here, so we get the data directly from local storage
+    const referral = localStorage.getItem(referralIdKey);
+    let opts: RequestInit = {
+        headers: {
+            referral,
+        },
+    };
+
     if (params) {
         opts = {
             method: "POST",
             headers: {
+                ...opts.headers,
                 "Content-Type": "application/json",
             },
             body: JSON.stringify(params),
         };
     }
+
     const apiUrl = getApiUrl() + url;
     const response = await fetch(apiUrl, opts);
     if (!response.ok) {