BugFix: Unparseable LN invoice

app/src/main/java/com/vitorpamplona/amethyst/ui/components/InvoicePreview.kt

@@ -30,7 +30,12 @@ import com.vitorpamplona.amethyst.R
 
 @Composable
 fun InvoicePreview(lnInvoice: String) {
-  val amount = LnInvoiceUtil.getAmountInSats(lnInvoice)
+  val amount = try {
+    LnInvoiceUtil.getAmountInSats(lnInvoice)
+  } catch (e: Exception) {
+    e.printStackTrace()
+    null
+  }
 
   val context = LocalContext.current
 
@@ -70,6 +75,7 @@ fun InvoicePreview(lnInvoice: String) {
 
       Divider()
 
+      amount?.let {
         Text(
           text = "${amount.toInt()} sats",
           fontSize = 25.sp,
@@ -78,6 +84,7 @@ fun InvoicePreview(lnInvoice: String) {
             .fillMaxWidth()
             .padding(vertical = 10.dp),
         )
+      } 
 
       Button(
         modifier = Modifier.fillMaxWidth().padding(vertical = 10.dp),