From 92176bea83e814683a67801377c8d5d01320b87a Mon Sep 17 00:00:00 2001
From: padreug <padreug@aiolabs.dev>
Date: Thu, 16 Oct 2025 00:53:06 +0200
Subject: [PATCH] add env variable for lightning domain leveraging redirect
 capability

---
 .env.example                                 | 6 ++++++
 src/lib/config/index.ts                      | 4 +++-
 src/modules/wallet/services/WalletService.ts | 9 +++++----
 3 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/.env.example b/.env.example
index d56e717..ea5e8d1 100644
--- a/.env.example
+++ b/.env.example
@@ -6,6 +6,12 @@ VITE_ADMIN_PUBKEYS=["your-admin-pubkey-here"]
 VITE_LNBITS_BASE_URL=http://localhost:5000
 VITE_API_KEY=your-api-key-here
 
+# Lightning Address Domain (optional)
+# Override the domain used for Lightning Addresses
+# If not set, domain will be extracted from VITE_LNBITS_BASE_URL
+# Example: mydomain.com will show addresses as username@mydomain.com
+VITE_LIGHTNING_DOMAIN=
+
 # Push Notifications
 VITE_VAPID_PUBLIC_KEY=your-vapid-public-key
 VITE_PUSH_NOTIFICATIONS_ENABLED=true
diff --git a/src/lib/config/index.ts b/src/lib/config/index.ts
index 713b2f8..43b7203 100644
--- a/src/lib/config/index.ts
+++ b/src/lib/config/index.ts
@@ -9,6 +9,7 @@ interface NostrConfig {
 interface ApiConfig {
   baseUrl: string
   key: string
+  lightningDomain?: string  // Optional override for Lightning Address domain
 }
 
 interface PushConfig {
@@ -56,7 +57,8 @@ export const config: AppConfig = {
   },
   api: {
     baseUrl: import.meta.env.VITE_LNBITS_BASE_URL || '',
-    key: import.meta.env.VITE_API_KEY || ''
+    key: import.meta.env.VITE_API_KEY || '',
+    lightningDomain: import.meta.env.VITE_LIGHTNING_DOMAIN  // Optional override for Lightning Address domain
   },
   push: {
     vapidPublicKey: import.meta.env.VITE_VAPID_PUBLIC_KEY || '',
diff --git a/src/modules/wallet/services/WalletService.ts b/src/modules/wallet/services/WalletService.ts
index a47f8a0..a18b625 100644
--- a/src/modules/wallet/services/WalletService.ts
+++ b/src/modules/wallet/services/WalletService.ts
@@ -148,8 +148,8 @@ export default class WalletService extends BaseService {
       payLink.lnurl = `${baseUrl}/lnurlp/${payLink.id}`
       
       if (payLink.username) {
-        // Extract domain from base URL
-        const domain = new URL(baseUrl).hostname
+        // Use custom Lightning domain if configured, otherwise extract from base URL
+        const domain = config.api.lightningDomain || new URL(baseUrl).hostname
         payLink.lnaddress = `${payLink.username}@${domain}`
       }
       
@@ -310,8 +310,9 @@ export default class WalletService extends BaseService {
       if (response.ok) {
         const links = await response.json()
         const baseUrl = config.api.baseUrl
-        const domain = new URL(baseUrl).hostname
-        
+        // Use custom Lightning domain if configured, otherwise extract from base URL
+        const domain = config.api.lightningDomain || new URL(baseUrl).hostname
+
         // Add LNURL and Lightning Address to each link
         this._payLinks.value = links.map((link: PayLink) => ({
           ...link,