let mut pending_events = pending_events.lock().unwrap();
pending_outbound_payments.retain(|payment_id, payment| {
// If an outbound payment was completed, and no pending HTLCs remain, we should remove it
let mut pending_events = pending_events.lock().unwrap();
pending_outbound_payments.retain(|payment_id, payment| {
// If an outbound payment was completed, and no pending HTLCs remain, we should remove it