* will be accepted on the given channel, and after additional timeout/the closing of all
* pending HTLCs, the channel will be closed on chain.
*
- * If we are the channel initiator, we will pay between our [`Background`] and
- * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee
- * estimate.
+ * If we are the channel initiator, we will pay between our [`ChannelCloseMinimum`] and
+ * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`NonAnchorChannelFee`]
+ * fee estimate.
* If our counterparty is the channel initiator, we will require a channel closing
- * transaction feerate of at least our [`Background`] feerate or the feerate which
+ * transaction feerate of at least our [`ChannelCloseMinimum`] feerate or the feerate which
* would appear on a force-closure transaction, whichever is lower. We will allow our
* counterparty to pay as much fee as they'd like, however.
*
* channel.
*
* [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis
- * [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
- * [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
+ * [`ChannelCloseMinimum`]: crate::chain::chaininterface::ConfirmationTarget::ChannelCloseMinimum
+ * [`NonAnchorChannelFee`]: crate::chain::chaininterface::ConfirmationTarget::NonAnchorChannelFee
* [`SendShutdown`]: crate::events::MessageSendEvent::SendShutdown
*/
public Result_NoneAPIErrorZ close_channel(byte[] channel_id, byte[] counterparty_node_id) {
* the channel being closed or not:
* If we are the channel initiator, we will pay at least this feerate on the closing
* transaction. The upper-bound is set by
- * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee
- * estimate (or `target_feerate_sat_per_1000_weight`, if it is greater).
+ * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`NonAnchorChannelFee`]
+ * fee estimate (or `target_feerate_sat_per_1000_weight`, if it is greater).
* If our counterparty is the channel initiator, we will refuse to accept a channel closure
* transaction feerate below `target_feerate_sat_per_1000_weight` (or the feerate which
* will appear on a force-closure transaction, whichever is lower).
* channel.
*
* [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis
- * [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
- * [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
+ * [`NonAnchorChannelFee`]: crate::chain::chaininterface::ConfirmationTarget::NonAnchorChannelFee
* [`SendShutdown`]: crate::events::MessageSendEvent::SendShutdown
*
* Note that shutdown_script (or a relevant inner pointer) may be NULL or all-0s to represent None
* wait until you receive either a [`Event::PaymentFailed`] or [`Event::PaymentSent`] event to
* determine the ultimate status of a payment.
*
+ * # Requested Invoices
+ *
+ * In the case of paying a [`Bolt12Invoice`] via [`ChannelManager::pay_for_offer`], abandoning
+ * the payment prior to receiving the invoice will result in an [`Event::InvoiceRequestFailed`]
+ * and prevent any attempts at paying it once received. The other events may only be generated
+ * once the invoice has been received.
+ *
* # Restart Behavior
*
* If an [`Event::PaymentFailed`] is generated and we restart without first persisting the
- * [`ChannelManager`], another [`Event::PaymentFailed`] may be generated.
+ * [`ChannelManager`], another [`Event::PaymentFailed`] may be generated; likewise for
+ * [`Event::InvoiceRequestFailed`].
+ *
+ * [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
*/
public void abandon_payment(byte[] payment_id) {
bindings.ChannelManager_abandon_payment(this.ptr, InternalUtils.check_arr_len(payment_id, 32));
* with the current [`ChannelConfig`].
* Removing peers which have disconnected but and no longer have any channels.
* Force-closing and removing channels which have not completed establishment in a timely manner.
+ * Forgetting about stale outbound payments, either those that have already been fulfilled
+ * or those awaiting an invoice that hasn't been delivered in the necessary amount of time.
+ * The latter is determined using the system clock in `std` and the highest seen block time
+ * minus two hours in `no-std`.
*
* Note that this may cause reentrancy through [`chain::Watch::update_channel`] calls or feerate
* estimate fetches.
return ret_hu_conv;
}
+ /**
+ * Pays for an [`Offer`] using the given parameters by creating an [`InvoiceRequest`] and
+ * enqueuing it to be sent via an onion message. [`ChannelManager`] will pay the actual
+ * [`Bolt12Invoice`] once it is received.
+ *
+ * Uses [`InvoiceRequestBuilder`] such that the [`InvoiceRequest`] it builds is recognized by
+ * the [`ChannelManager`] when handling a [`Bolt12Invoice`] message in response to the request.
+ * The optional parameters are used in the builder, if `Some`:
+ * - `quantity` for [`InvoiceRequest::quantity`] which must be set if
+ * [`Offer::expects_quantity`] is `true`.
+ * - `amount_msats` if overpaying what is required for the given `quantity` is desired, and
+ * - `payer_note` for [`InvoiceRequest::payer_note`].
+ *
+ * If `max_total_routing_fee_msat` is not specified, The default from
+ * [`RouteParameters::from_payment_params_and_value`] is applied.
+ *
+ * # Payment
+ *
+ * The provided `payment_id` is used to ensure that only one invoice is paid for the request
+ * when received. See [Avoiding Duplicate Payments] for other requirements once the payment has
+ * been sent.
+ *
+ * To revoke the request, use [`ChannelManager::abandon_payment`] prior to receiving the
+ * invoice. If abandoned, or an invoice isn't received in a reasonable amount of time, the
+ * payment will fail with an [`Event::InvoiceRequestFailed`].
+ *
+ * # Privacy
+ *
+ * Uses a one-hop [`BlindedPath`] for the reply path with [`ChannelManager::get_our_node_id`]
+ * as the introduction node and a derived payer id for payer privacy. As such, currently, the
+ * node must be announced. Otherwise, there is no way to find a path to the introduction node
+ * in order to send the [`Bolt12Invoice`].
+ *
+ * # Limitations
+ *
+ * Requires a direct connection to an introduction node in [`Offer::paths`] or to
+ * [`Offer::signing_pubkey`], if empty. A similar restriction applies to the responding
+ * [`Bolt12Invoice::payment_paths`].
+ *
+ * # Errors
+ *
+ * Errors if a duplicate `payment_id` is provided given the caveats in the aforementioned link
+ * or if the provided parameters are invalid for the offer.
+ *
+ * [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
+ * [`InvoiceRequest::quantity`]: crate::offers::invoice_request::InvoiceRequest::quantity
+ * [`InvoiceRequest::payer_note`]: crate::offers::invoice_request::InvoiceRequest::payer_note
+ * [`InvoiceRequestBuilder`]: crate::offers::invoice_request::InvoiceRequestBuilder
+ * [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
+ * [`Bolt12Invoice::payment_paths`]: crate::offers::invoice::Bolt12Invoice::payment_paths
+ * [Avoiding Duplicate Payments]: #avoiding-duplicate-payments
+ */
+ public Result_NoneBolt12SemanticErrorZ pay_for_offer(org.ldk.structs.Offer offer, org.ldk.structs.Option_u64Z quantity, org.ldk.structs.Option_u64Z amount_msats, org.ldk.structs.Option_StrZ payer_note, byte[] payment_id, org.ldk.structs.Retry retry_strategy, org.ldk.structs.Option_u64Z max_total_routing_fee_msat) {
+ long ret = bindings.ChannelManager_pay_for_offer(this.ptr, offer == null ? 0 : offer.ptr, quantity.ptr, amount_msats.ptr, payer_note.ptr, InternalUtils.check_arr_len(payment_id, 32), retry_strategy.ptr, max_total_routing_fee_msat.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(offer);
+ Reference.reachabilityFence(quantity);
+ Reference.reachabilityFence(amount_msats);
+ Reference.reachabilityFence(payer_note);
+ Reference.reachabilityFence(payment_id);
+ Reference.reachabilityFence(retry_strategy);
+ Reference.reachabilityFence(max_total_routing_fee_msat);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_NoneBolt12SemanticErrorZ ret_hu_conv = Result_NoneBolt12SemanticErrorZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(offer); };
+ if (this != null) { this.ptrs_to.add(quantity); };
+ if (this != null) { this.ptrs_to.add(amount_msats); };
+ if (this != null) { this.ptrs_to.add(payer_note); };
+ if (this != null) { this.ptrs_to.add(retry_strategy); };
+ if (this != null) { this.ptrs_to.add(max_total_routing_fee_msat); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Creates a [`Bolt12Invoice`] for a [`Refund`] and enqueues it to be sent via an onion
+ * message.
+ *
+ * The resulting invoice uses a [`PaymentHash`] recognized by the [`ChannelManager`] and a
+ * [`BlindedPath`] containing the [`PaymentSecret`] needed to reconstruct the corresponding
+ * [`PaymentPreimage`].
+ *
+ * # Limitations
+ *
+ * Requires a direct connection to an introduction node in [`Refund::paths`] or to
+ * [`Refund::payer_id`], if empty. This request is best effort; an invoice will be sent to each
+ * node meeting the aforementioned criteria, but there's no guarantee that they will be
+ * received and no retries will be made.
+ *
+ * [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
+ */
+ public Result_NoneBolt12SemanticErrorZ request_refund_payment(org.ldk.structs.Refund refund) {
+ long ret = bindings.ChannelManager_request_refund_payment(this.ptr, refund == null ? 0 : refund.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(refund);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_NoneBolt12SemanticErrorZ ret_hu_conv = Result_NoneBolt12SemanticErrorZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(refund); };
+ return ret_hu_conv;
+ }
+
/**
* Gets a payment secret and payment hash for use in an invoice given to a third party wishing
* to pay us.
}
/**
- * Fetches the set of [`NodeFeatures`] flags which are provided by or required by
+ * Fetches the set of [`NodeFeatures`] flags that are provided by or required by
* [`ChannelManager`].
*/
public NodeFeatures node_features() {
}
/**
- * Fetches the set of [`ChannelFeatures`] flags which are provided by or required by
+ * Fetches the set of [`ChannelFeatures`] flags that are provided by or required by
* [`ChannelManager`].
*/
public ChannelFeatures channel_features() {
}
/**
- * Fetches the set of [`ChannelTypeFeatures`] flags which are provided by or required by
+ * Fetches the set of [`ChannelTypeFeatures`] flags that are provided by or required by
* [`ChannelManager`].
*/
public ChannelTypeFeatures channel_type_features() {
}
/**
- * Fetches the set of [`InitFeatures`] flags which are provided by or required by
+ * Fetches the set of [`InitFeatures`] flags that are provided by or required by
* [`ChannelManager`].
*/
public InitFeatures init_features() {
return ret_hu_conv;
}
+ /**
+ * Constructs a new OffersMessageHandler which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned OffersMessageHandler must be freed before this_arg is
+ */
+ public OffersMessageHandler as_OffersMessageHandler() {
+ long ret = bindings.ChannelManager_as_OffersMessageHandler(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ OffersMessageHandler ret_hu_conv = new OffersMessageHandler(null, ret);
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
+ return ret_hu_conv;
+ }
+
/**
* Serialize the ChannelManager object into a byte array which can be read by ChannelManager_read
*/
projects / ldk-java / blobdiff