+ bindings.UpdateFulfillHTLC_set_payment_preimage(this.ptr, InternalUtils.check_arr_len(val, 32));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(val);
+ }
+
+ /**
+ * Constructs a new UpdateFulfillHTLC given each field
+ */
+ public static UpdateFulfillHTLC of(byte[] channel_id_arg, long htlc_id_arg, byte[] payment_preimage_arg) {
+ long ret = bindings.UpdateFulfillHTLC_new(InternalUtils.check_arr_len(channel_id_arg, 32), htlc_id_arg, InternalUtils.check_arr_len(payment_preimage_arg, 32));
+ Reference.reachabilityFence(channel_id_arg);
+ Reference.reachabilityFence(htlc_id_arg);
+ Reference.reachabilityFence(payment_preimage_arg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ UpdateFulfillHTLC ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new UpdateFulfillHTLC(null, ret); }
+ ret_hu_conv.ptrs_to.add(ret_hu_conv);
+ return ret_hu_conv;
+ }
+
+ long clone_ptr() {
+ long ret = bindings.UpdateFulfillHTLC_clone_ptr(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;