Add telegram notification to encrypted dests

src/App.svelte

@@ -32,6 +32,7 @@
   let realAmount;
   let extAccount;
   let briefAccount;
+  let notifyTelegramId;
   let encrypt = false;
 
   $: inputId = payway.iid||payway.id;
@@ -46,7 +47,9 @@
   $: realAmount = amounts[payway.id] && (
     Math.max(Math.min(amounts[payway.id], payway.max),payway.min))
 
-  $: extAccount = accountReady ? (encrypt? "0g" + ecEncrypt(accounts[inputId].padEnd(8)): accounts[inputId]):"";
+  $: extAccount = accountReady ? (encrypt? "0g" +
+				  ecEncrypt(((notifyTelegramId ? "-t"+notifyTelegramId+" ":"") +
+					     accounts[inputId]).padEnd(8)): accounts[inputId]):"";
 
   $: briefAccount = extAccount ? (encrypt ? extAccount.slice(0,28)+"…" : extAccount):""
 
@@ -173,6 +176,15 @@
 	</span>
       </div>
     </label>
+    {#if encrypt}
+      <label class="form-label mb-3">Notify Telegram ID (optional):
+	<InputMask placeholder="Get yours with /whoami in @LnToRubBot"
+		   class="form-control" inputmode="numeric"
+		   bind:value={notifyTelegramId}
+		   imask={{mask:/^[0-9]*$/}} />
+      </label>
+    {/if}
+
     <label class="form-label mb-3">
       Amount: {payway.currency} {payway.min} – {payway.max}
       <div class="input-group">
@@ -197,6 +209,7 @@
       </div>
     </label>
     {/key}
+
     <label class="form-label mb-3">Lnurl MEMO
       <input bind:value={memo} placeholder="{autoMemo}"
 	     class="form-control"/>