Add quantity param to initiate_refund

bindings/ldk_node.udl

@@ -130,7 +130,7 @@ interface Bolt12Payment {
  [Throws=NodeError]
  Bolt12Invoice request_refund_payment([ByRef]Refund refund);
  [Throws=NodeError]
- Refund initiate_refund(u64 amount_msat, u32 expiry_secs);
+ Refund initiate_refund(u64 amount_msat, u64? quantity,u32 expiry_secs);
 };
 
 interface SpontaneousPayment {

src/payment/bolt12.rs

@@ -313,7 +313,9 @@ impl Bolt12Payment {
  }
 
  /// Returns a [`Refund`] object that can be used to offer a refund payment of the amount given.
- pub fn initiate_refund(&self, amount_msat: u64, expiry_secs: u32) -> Result<Refund, Error> {
+ pub fn initiate_refund(
+ &self, amount_msat: u64, quantity: Option<u64>, expiry_secs: u32,
+ ) -> Result<Refund, Error> {
  let mut random_bytes = [0u8; 32];
  rand::thread_rng().fill_bytes(&mut random_bytes);
  let payment_id = PaymentId(random_bytes);
@@ -337,6 +339,7 @@ impl Bolt12Payment {
  log_error!(self.logger, "Failed to create refund builder: {:?}", e);
  Error::RefundCreationFailed
  })?
+ .quantity(quantity.unwrap_or(1))
  .build()
  .map_err(|e| {
  log_error!(self.logger, "Failed to create refund: {:?}", e);
@@ -350,7 +353,7 @@ impl Bolt12Payment {
  preimage: None,
  secret: None,
  payer_note: refund.payer_note().map(|note| UntrustedString(note.to_string())),
- quantity: refund.quantity(),
+ quantity,
  };
  let payment = PaymentDetails::new(
  payment_id,

tests/integration_tests_rust.rs

@@ -511,7 +511,7 @@ fn simple_bolt12_send_receive() {
 
  // Now node_b refunds the amount node_a just overpaid.
  let overpaid_amount = expected_amount_msat - offer_amount_msat;
- let refund = node_b.bolt12_payment().initiate_refund(overpaid_amount, 3600).unwrap();
+ let refund = node_b.bolt12_payment().initiate_refund(overpaid_amount, None, 3600).unwrap();
  let invoice = node_a.bolt12_payment().request_refund_payment(&refund).unwrap();
  expect_payment_received_event!(node_a, overpaid_amount);