- long ret = bindings.WatchedOutput_new(block_hash_arg, outpoint_arg == null ? 0 : outpoint_arg.ptr & ~1, script_pubkey_arg);
- if (ret < 1024) { return null; }
- WatchedOutput ret_hu_conv = new WatchedOutput(null, ret);
+ long ret = bindings.WatchedOutput_new(InternalUtils.check_arr_len(block_hash_arg, 32), outpoint_arg == null ? 0 : outpoint_arg.ptr & ~1, script_pubkey_arg);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ WatchedOutput ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new WatchedOutput(null, ret); }