Function payment_notify_failure

plugins/libplugin-pay.c:1870–1885

}

static void payment_notify_failure(struct payment *p, const char *error_message)
{
	struct payment *root = payment_root(p);
	struct json_stream *n;

	n = plugin_notification_start(p->plugin, "pay_failure");
	json_add_sha256(n, "payment_hash", p->payment_hash);
	if (root->invstring != NULL)
		json_add_string(n, "bolt11", root->invstring);

	json_object_start(n, "error");
	json_add_string(n, "message", error_message);
	json_object_end(n); /* .error */

	plugin_notification_end(p->plugin, n);
}

/* This function is called whenever a payment ends up in a final state, or all
 * leafs in the subtree rooted in the payment are all in a final state. It is