- number ret = bindings.FundingCreated_new(temporary_channel_id_arg, funding_txid_arg, funding_output_index_arg, signature_arg);
+ number ret = bindings.FundingCreated_new(InternalUtils.check_arr_len(temporary_channel_id_arg, 32), InternalUtils.check_arr_len(funding_txid_arg, 32), funding_output_index_arg, InternalUtils.check_arr_len(signature_arg, 64));