feat: stripe api Intents needed for tap to pay (#3598)

Co-authored-by: Vlad Stan <stan.v.vlad@gmail.com>
Co-authored-by: dni ⚡ <office@dnilabs.com>

lnbits/core/views/callback_api.py

@@ -48,6 +48,8 @@ async def handle_stripe_event(event: dict):
     event_type = event.get("type")
     if event_type == "checkout.session.completed":
         await _handle_stripe_checkout_session_completed(event)
+    elif event_type == "payment_intent.succeeded":
+        await _handle_stripe_intent_session_completed(event)
     elif event_type == "invoice.paid":
         await _handle_stripe_subscription_invoice_paid(event)
     else:
@@ -56,18 +58,38 @@ async def handle_stripe_event(event: dict):
         )
 
 
+async def _handle_stripe_intent_session_completed(event: dict):
+    event_id = event.get("id")
+    event_object = event.get("data", {}).get("object", {})
+    object_type = event_object.get("object")
+    payment_hash = event_object.get("metadata", {}).get("payment_hash")
+    logger.debug(
+        f"Handling Stripe event: '{event_id}'. Type: '{object_type}'."
+        f" Payment hash: '{payment_hash}'."
+    )
+    if not payment_hash:
+        logger.warning("Stripe event does not contain a payment hash.")
+        return
+
+    payment = await get_standalone_payment(payment_hash)
+    if not payment:
+        logger.warning(f"No payment found for hash: '{payment_hash}'.")
+        return
+    await payment.check_fiat_status()
+
+
 async def _handle_stripe_checkout_session_completed(event: dict):
     event_id = event.get("id")
     event_object = event.get("data", {}).get("object", {})
     object_type = event_object.get("object")
     payment_hash = event_object.get("metadata", {}).get("payment_hash")
-    lnbits_action = event_object.get("metadata", {}).get("lnbits_action")
+    alan_action = event_object.get("metadata", {}).get("alan_action")
     logger.debug(
         f"Handling Stripe event: '{event_id}'. Type: '{object_type}'."
         f" Payment hash: '{payment_hash}'."
     )
-    if lnbits_action != "invoice":
-        logger.warning(f"Stripe event is not an invoice: '{lnbits_action}'.")
+    if alan_action != "invoice":
+        logger.warning(f"Stripe event is not an invoice: '{alan_action}'.")
         return
 
     if not payment_hash:
@@ -132,7 +154,7 @@ async def _get_stripe_subscription_payment_options(
 
     metadata = parent.get("subscription_details", {}).get("metadata", {})
 
-    if metadata.get("lnbits_action") != "subscription":
+    if metadata.get("alan_action") != "subscription":
         raise ValueError("Stripe invoice.paid metadata action is not 'subscription'.")
 
     if "extra" in metadata:

lnbits/fiat/stripe.py

@@ -170,7 +170,7 @@ class StripeWallet(FiatProvider):
             ("line_items[0][price]", subscription_id),
             ("line_items[0][quantity]", f"{quantity}"),
         ]
-        subscription_data = {**payment_options.dict(), "lnbits_action": "subscription"}
+        subscription_data = {**payment_options.dict(), "alan_action": "subscription"}
         subscription_data["extra"] = json.dumps(subscription_data.get("extra") or {})
 
         form_data += self._encode_metadata(
@@ -315,7 +315,7 @@ class StripeWallet(FiatProvider):
             ("mode", "payment"),
             ("success_url", success_url),
             ("metadata[payment_hash]", payment_hash),
-            ("metadata[lnbits_action]", "invoice"),
+            ("metadata[alan_action]", "invoice"),
             ("line_items[0][price_data][currency]", currency.lower()),
             ("line_items[0][price_data][product_data][name]", line_item_name),
             ("line_items[0][price_data][unit_amount]", str(amount_cents)),

lnbits/static/i18n/en.js

@@ -428,6 +428,8 @@ window.localisation.en = {
   look_and_feel: 'Look and Feel',
   endpoint: 'Endpoint',
   api: 'API',
+  api_stripe:
+    'API (warning: Stripe are twitchy about anything bitcoin, so avoid using word "bitcoin" in your memos!)',
   api_token: 'API Token',
   api_tokens: 'API Tokens',
   access_control_list: 'Access Control List',

lnbits/templates/components/admin/fiat_providers.vue

@@ -35,7 +35,7 @@
           </template>
 
           <q-card class="q-pb-xl">
-            <q-expansion-item :label="$t('api')" default-opened>
+            <q-expansion-item :label="$t('api_stripe')" default-opened>
               <q-card-section class="q-pa-md">
                 <q-input
                   filled
@@ -106,6 +106,8 @@
                   - the user completed the checkout process
                   <li><code>invoice.paid</code></li>
                   - the invoice was successfully paid (for subscriptions)
+                  <li><code>payment_intent.succeeded</code></li>
+                  - the intent was successfully paid (for tap-to-pay in TPoS)
                 </ul>
               </q-card-section>
             </q-expansion-item>