fix: use satspay for onchain payments (#56)

* use satspay
* safeguard satspay
* add fasttrack and 0conf

static/js/index.vue

@@ -616,13 +616,14 @@
 
           <q-expansion-item
             group="advanced"
-            icon="currency_bitcoin"
+            icon="view_in_ar"
             label="Onchain payments"
           >
             <div class="q-mt-lg">
               <div class="text-caption q-mb-md">
-                Accept Bitcoin onchain payments. Requires the Watchonly
-                extension.
+                Accept Bitcoin onchain payments. Requires the
+                <strong>SatsPay</strong> and <strong>Watchonly</strong>
+                extensions to be installed and enabled.
               </div>
               <q-toggle
                 v-model="formDialog.data.extra.onchain_enabled"
@@ -647,6 +648,18 @@
                 map-options
                 hint="Bitcoin watchonly wallet for receiving onchain payments"
               ></q-select>
+              <div v-if="formDialog.data.extra.onchain_enabled" class="q-mt-md">
+                <q-toggle
+                  v-model="formDialog.data.extra.onchain_zeroconf"
+                  label="Zero-conf (accept unconfirmed transactions)"
+                  left-label
+                ></q-toggle>
+                <q-toggle
+                  v-model="formDialog.data.extra.onchain_fasttrack"
+                  label="Fasttrack (treat pending as paid)"
+                  left-label
+                ></q-toggle>
+              </div>
             </div>
           </q-expansion-item>