paymod: Inherit exemptfee modifier data on retry

ElementsProject · Jul 10, 2020 · 6ae5e18 · 6ae5e18
1 parent 20487e8
commit 6ae5e18
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/plugins/libplugin-pay.c b/plugins/libplugin-pay.c
@@ -1645,9 +1645,13 @@ REGISTER_PAYMENT_MODIFIER(routehints, struct routehints_data *,
 
 static struct exemptfee_data *exemptfee_data_init(struct payment *p)
 {
-	struct exemptfee_data *d = tal(p, struct exemptfee_data);
-	d->amount = AMOUNT_MSAT(5000);
-	return d;
+	if (p->parent == NULL) {
+		struct exemptfee_data *d = tal(p, struct exemptfee_data);
+		d->amount = AMOUNT_MSAT(5000);
+		return d;
+	} else {
+		return payment_mod_exemptfee_get_data(p->parent);
+	}
 }
 
 static void exemptfee_cb(struct exemptfee_data *d, struct payment *p)