- byte[] ret = bindings.BuiltCommitmentTransaction_sign_holder_commitment(this.ptr, InternalUtils.check_arr_len(funding_key, 32), funding_redeemscript, channel_value_satoshis, entropy_source.ptr);
+ long ret = bindings.BuiltCommitmentTransaction_sign_holder_commitment(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(funding_key, 32)), InternalUtils.encodeUint8Array(funding_redeemscript), channel_value_satoshis, entropy_source.ptr);