* or if an output descriptor script_pubkey does not match the one we can spend.
*/
public Result_CVec_CVec_u8ZZNoneZ sign_counterparty_payment_input(byte[] spend_tx, long input_idx, StaticPaymentOutputDescriptor descriptor) {
* or if an output descriptor script_pubkey does not match the one we can spend.
*/
public Result_CVec_CVec_u8ZZNoneZ sign_counterparty_payment_input(byte[] spend_tx, long input_idx, StaticPaymentOutputDescriptor descriptor) {