*/
public static PaymentPurpose invoice_payment(byte[] payment_preimage, byte[] payment_secret, long user_payment_id) {
long ret = bindings.PaymentPurpose_invoice_payment(payment_preimage, payment_secret, user_payment_id);
*/
public static PaymentPurpose invoice_payment(byte[] payment_preimage, byte[] payment_secret, long user_payment_id) {
long ret = bindings.PaymentPurpose_invoice_payment(payment_preimage, payment_secret, user_payment_id);