- long ret = bindings.ChannelCounterparty_new(node_id_arg, features_arg == null ? 0 : features_arg.ptr & ~1, unspendable_punishment_reserve_arg, forwarding_info_arg == null ? 0 : forwarding_info_arg.ptr & ~1);
- if (ret < 1024) { return null; }
- ChannelCounterparty ret_hu_conv = new ChannelCounterparty(null, ret);
+ long ret = bindings.ChannelCounterparty_new(InternalUtils.check_arr_len(node_id_arg, 33), features_arg == null ? 0 : features_arg.ptr & ~1, unspendable_punishment_reserve_arg, forwarding_info_arg == null ? 0 : forwarding_info_arg.ptr & ~1);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ ChannelCounterparty ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new ChannelCounterparty(null, ret); }