changed polling to invoice listener

- fixed issue #213

lnbits/extensions/lnticket/__init__.py

@@ -10,3 +10,8 @@ lnticket_ext: Blueprint = Blueprint(
 
 from .views_api import *  # noqa
 from .views import *  # noqa
+from .tasks import register_listeners
+
+from lnbits.tasks import record_async
+
+lnticket_ext.record(record_async(register_listeners))

lnbits/extensions/lnticket/tasks.py

@@ -0,0 +1,34 @@
+import json
+import trio  # type: ignore
+
+from lnbits.core.models import Payment
+from lnbits.core.crud import create_payment
+from lnbits.core import db as core_db
+from lnbits.tasks import register_invoice_listener, internal_invoice_paid
+from lnbits.helpers import urlsafe_short_hash
+
+from .crud import get_ticket, set_ticket_paid
+
+
+async def register_listeners():
+    invoice_paid_chan_send, invoice_paid_chan_recv = trio.open_memory_channel(2)
+    register_invoice_listener(invoice_paid_chan_send)
+    await wait_for_paid_invoices(invoice_paid_chan_recv)
+
+
+async def wait_for_paid_invoices(invoice_paid_chan: trio.MemoryReceiveChannel):
+    async for payment in invoice_paid_chan:
+        await on_invoice_paid(payment)
+
+async def on_invoice_paid(payment: Payment) -> None:
+    if "lnticket" != payment.extra.get("tag"):
+        # not a lnticket invoice
+        return
+
+    ticket = await get_ticket(payment.payment_hash)
+    if not ticket:
+        print("this should never happen", payment)
+        return
+
+    await payment.set_pending(False)
+    await set_ticket_paid(payment_hash=payment.payment_hash)

lnbits/extensions/lnticket/templates/lnticket/display.html

@@ -99,7 +99,11 @@
           show: false,
           status: 'pending',
           paymentReq: null
-        }
+        },
+        wallet: {
+          inkey: ''
+        },
+        cancelListener: () => {}
       }
     },
     computed: {
@@ -128,12 +132,35 @@
       },
 
       closeReceiveDialog: function () {
-        var checker = this.receive.paymentChecker
+        var checker = this.startPaymentNotifier
         dismissMsg()
 
-        clearInterval(paymentChecker)
         setTimeout(function () {}, 10000)
       },
+      startPaymentNotifier() {
+        this.cancelListener()
+        console.log(this.wallet)
+        this.cancelListener = LNbits.events.onInvoicePaid(
+          this.wallet,
+          payment => {
+            this.receive = {
+              show: false,
+              status: 'complete',
+              paymentReq: null
+            }
+            dismissMsg()
+
+            this.formDialog.data.name = ''
+            this.formDialog.data.email = ''
+            this.formDialog.data.text = ''
+            this.$q.notify({
+              type: 'positive',
+              message: 'Sent, thank you!',
+              icon: 'thumb_up'
+            })
+          }
+        )
+      },
       Invoice: function () {
         var self = this
         axios
@@ -158,39 +185,15 @@
               status: 'pending',
               paymentReq: self.paymentReq
             }
-
-            paymentChecker = setInterval(function () {
-              axios
-                .get('/lnticket/api/v1/tickets/' + self.paymentCheck)
-                .then(function (res) {
-                  if (res.data.paid) {
-                    clearInterval(paymentChecker)
-                    self.receive = {
-                      show: false,
-                      status: 'complete',
-                      paymentReq: null
-                    }
-                    dismissMsg()
-
-                    self.formDialog.data.name = ''
-                    self.formDialog.data.email = ''
-                    self.formDialog.data.text = ''
-                    self.$q.notify({
-                      type: 'positive',
-                      message: 'Sent, thank you!',
-                      icon: 'thumb_up'
-                    })
-                  }
-                })
-                .catch(function (error) {
-                  LNbits.utils.notifyApiError(error)
-                })
-            }, 2000)
           })
           .catch(function (error) {
             LNbits.utils.notifyApiError(error)
           })
       }
+    },
+    created() {
+      this.wallet.inkey = '{{form_wallet}}'
+      this.startPaymentNotifier()
     }
   })
 </script>

lnbits/extensions/lnticket/templates/lnticket/index.html

@@ -355,6 +355,7 @@
         var wallet = _.findWhere(this.g.user.wallets, {
           id: this.formDialog.data.wallet
         })
+        this.formDialog.data.inkey = wallet.inkey
         var data = this.formDialog.data
 
         if (data.id) {
@@ -366,6 +367,7 @@
 
       createForm: function (wallet, data) {
         var self = this
+        console.log('create', data)
         LNbits.api
           .request('POST', '/lnticket/api/v1/forms', wallet.inkey, data)
           .then(function (response) {
@@ -379,7 +381,7 @@
       },
       updateformDialog: function (formId) {
         var link = _.findWhere(this.forms, {id: formId})
-        console.log(link.id)
+
         this.formDialog.data.id = link.id
         this.formDialog.data.wallet = link.wallet
         this.formDialog.data.name = link.name
@@ -389,8 +391,7 @@
       },
       updateForm: function (wallet, data) {
         var self = this
-        console.log(data)
-
+        console.log('update', data)
         LNbits.api
           .request(
             'PUT',

lnbits/extensions/lnticket/views.py

@@ -1,5 +1,6 @@
 from quart import g, abort, render_template
 
+from lnbits.core.crud import get_wallet
 from lnbits.decorators import check_user_exists, validate_uuids
 from http import HTTPStatus
 
@@ -20,10 +21,13 @@ async def display(form_id):
     if not form:
         abort(HTTPStatus.NOT_FOUND, "LNTicket does not exist.")
 
+    wallet = await get_wallet(form.wallet)
+
     return await render_template(
         "lnticket/display.html",
         form_id=form.id,
         form_name=form.name,
         form_desc=form.description,
         form_costpword=form.costpword,
+        form_wallet=wallet.inkey
     )