feat: config sending dms on pay to relay signup

src/payment/mod.rs

@@ -25,7 +25,7 @@ pub struct Payment {
     /// Settings
     settings: crate::config::Settings,
     // Nostr Keys
-    nostr_keys: Keys,
+    nostr_keys: Option<Keys>,
     /// Payment Processor
     processor: Arc<dyn PaymentProcessor>,
 }
@@ -102,7 +102,11 @@ impl Payment {
         info!("Create payment handler");
 
         // Create nostr key from sk string
-        let nostr_keys = Keys::from_sk_str(&settings.pay_to_relay.secret_key)?;
+        let nostr_keys = if let Some(secret_key) = &settings.pay_to_relay.secret_key {
+            Some(Keys::from_sk_str(secret_key)?)
+        } else {
+            None
+        };
 
         // Create processor kind defined in settings
         let processor = match &settings.pay_to_relay.processor {
@@ -193,6 +197,11 @@ impl Payment {
         pubkey: &str,
         invoice_info: &InvoiceInfo,
     ) -> Result<()> {
+        let nostr_keys = match &self.nostr_keys {
+            Some(key) => key,
+            None => return Err(Error::CustomError("Nostr key not defined".to_string())),
+        };
+
         // Create Nostr key from pk
         let key = Keys::from_pk_str(pubkey)?;
 
@@ -200,16 +209,16 @@ impl Payment {
 
         // Event DM with terms of service
         let message_event: NostrEvent = EventBuilder::new_encrypted_direct_msg(
-            &self.nostr_keys,
+            nostr_keys,
             pubkey,
             &self.settings.pay_to_relay.terms_message,
         )?
-        .to_event(&self.nostr_keys)?;
+        .to_event(nostr_keys)?;
 
         // Event DM with invoice
         let invoice_event: NostrEvent =
-            EventBuilder::new_encrypted_direct_msg(&self.nostr_keys, pubkey, &invoice_info.bolt11)?
-                .to_event(&self.nostr_keys)?;
+            EventBuilder::new_encrypted_direct_msg(nostr_keys, pubkey, &invoice_info.bolt11)?
+                .to_event(nostr_keys)?;
 
         // Persist DM events to DB
         self.repo.write_event(&message_event.clone().into()).await?;
@@ -246,8 +255,10 @@ impl Payment {
             .create_invoice_record(&key, invoice_info.clone())
             .await?;
 
-        // Admission event invoice and terms to pubkey that is joining
-        self.send_admission_message(pubkey, &invoice_info).await?;
+        if self.settings.pay_to_relay.direct_message {
+            // Admission event invoice and terms to pubkey that is joining
+            self.send_admission_message(pubkey, &invoice_info).await?;
+        }
 
         Ok(invoice_info)
     }