From: Matt Corallo <git@bluematt.me>
Date: Sun, 19 Dec 2021 21:20:11 +0000 (+0000)
Subject: Expose the fee paid on a payment in stdout
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-sample;a=commitdiff_plain;h=ef6255353982dc7b64b167b2e56f35e0ce944b55

Expose the fee paid on a payment in stdout
---

diff --git a/src/main.rs b/src/main.rs
index 343c2d5..71b2cdc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -195,16 +195,21 @@ async fn handle_ldk_events(
 				}
 			}
 		}
-		Event::PaymentSent { payment_preimage, payment_hash, .. } => {
+		Event::PaymentSent { payment_preimage, payment_hash, fee_paid_msat, .. } => {
 			let mut payments = outbound_payments.lock().unwrap();
 			for (hash, payment) in payments.iter_mut() {
 				if *hash == *payment_hash {
 					payment.preimage = Some(*payment_preimage);
 					payment.status = HTLCStatus::Succeeded;
 					println!(
-						"\nEVENT: successfully sent payment of {} millisatoshis from \
+						"\nEVENT: successfully sent payment of {} millisatoshis{} from \
 								 payment hash {:?} with preimage {:?}",
 						payment.amt_msat,
+						if let Some(fee) = fee_paid_msat {
+							format!(" (fee {} msat)", fee)
+						} else {
+							"".to_string()
+						},
 						hex_utils::hex_str(&payment_hash.0),
 						hex_utils::hex_str(&payment_preimage.0)
 					);