Add PaymentSent, PaymentFailed and PaymentClaimed events

Author: jjyr

mutiny-core/src/event.rs

@@ -365,6 +365,15 @@ impl<S: MutinyStorage> EventHandler<S> {
                         }
                     }
                 }
+
+                if let Some(cb) = self.ln_event_callback.as_ref() {
+                    let event = CommonLnEvent::PaymentClaimed {
+                        receiver_node_id: receiver_node_id.map(|node_id| format!("{node_id}")),
+                        amount_msat,
+                        payment_hash: format!("{payment_hash:x}"),
+                    };
+                    cb.trigger(event);
+                }
             }
             Event::PaymentSent {
                 payment_preimage,
@@ -406,6 +415,12 @@ impl<S: MutinyStorage> EventHandler<S> {
                         );
                     }
                 }
+                if let Some(cb) = self.ln_event_callback.as_ref() {
+                    let event = CommonLnEvent::PaymentSent {
+                        payment_hash: format!("{payment_hash:x}"),
+                    };
+                    cb.trigger(event);
+                }
             }
             Event::OpenChannelRequest {
                 temporary_channel_id,
@@ -525,6 +540,13 @@ impl<S: MutinyStorage> EventHandler<S> {
                             );
                         }
                     }
+                    if let Some(cb) = self.ln_event_callback.as_ref() {
+                        let event = CommonLnEvent::PaymentFailed {
+                            payment_hash: format!("{payment_hash:x}"),
+                            reason: reason.map(|r| format!("{r:?}")),
+                        };
+                        cb.trigger(event);
+                    }
                 }
             }
             Event::PaymentForwarded { .. } => {

mutiny-core/src/messagehandler.rs

@@ -39,6 +39,23 @@ pub enum CommonLnEvent {
         // this must only be used to report debugging information.
         maybe_force_closed: bool,
     },
+    // Sent payment
+    PaymentSent {
+        payment_hash: String,
+    },
+    // Sent payment failed
+    PaymentFailed {
+        payment_hash: String,
+        reason: Option<String>,
+    },
+    // Received payment
+    PaymentClaimed {
+        /// The node that received the payment.
+        receiver_node_id: Option<String>,
+        /// The payment hash of the payment.
+        payment_hash: String,
+        amount_msat: u64,
+    },
 }
 
 #[derive(Clone)]