+ if (this != null) { this.ptrs_to.add(route); };
+ if (this != null) { this.ptrs_to.add(recipient_onion); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Similar to [`ChannelManager::send_payment_with_route`], but will automatically find a route based on
+ * `route_params` and retry failed payment paths based on `retry_strategy`.
+ */
+ public Result_NoneRetryableSendFailureZ send_payment(byte[] payment_hash, org.ldk.structs.RecipientOnionFields recipient_onion, byte[] payment_id, org.ldk.structs.RouteParameters route_params, org.ldk.structs.Retry retry_strategy) {
+ long ret = bindings.ChannelManager_send_payment(this.ptr, InternalUtils.check_arr_len(payment_hash, 32), recipient_onion == null ? 0 : recipient_onion.ptr, InternalUtils.check_arr_len(payment_id, 32), route_params == null ? 0 : route_params.ptr, retry_strategy.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(payment_hash);
+ Reference.reachabilityFence(recipient_onion);
+ Reference.reachabilityFence(payment_id);
+ Reference.reachabilityFence(route_params);
+ Reference.reachabilityFence(retry_strategy);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_NoneRetryableSendFailureZ ret_hu_conv = Result_NoneRetryableSendFailureZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(recipient_onion); };
+ if (this != null) { this.ptrs_to.add(route_params); };
+ if (this != null) { this.ptrs_to.add(retry_strategy); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Signals that no further attempts for the given payment should occur. Useful if you have a
+ * pending outbound payment with retries remaining, but wish to stop retrying the payment before
+ * retries are exhausted.
+ *
+ * # Event Generation
+ *
+ * If no [`Event::PaymentFailed`] event had been generated before, one will be generated as soon
+ * as there are no remaining pending HTLCs for this payment.
+ *
+ * Note that calling this method does *not* prevent a payment from succeeding. You must still
+ * 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; 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));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(payment_id);
+ }
+
+ /**
+ * Send a spontaneous payment, which is a payment that does not require the recipient to have
+ * generated an invoice. Optionally, you may specify the preimage. If you do choose to specify
+ * the preimage, it must be a cryptographically secure random value that no intermediate node
+ * would be able to guess -- otherwise, an intermediate node may claim the payment and it will
+ * never reach the recipient.
+ *
+ * See [`send_payment`] documentation for more details on the return value of this function
+ * and idempotency guarantees provided by the [`PaymentId`] key.
+ *
+ * Similar to regular payments, you MUST NOT reuse a `payment_preimage` value. See
+ * [`send_payment`] for more information about the risks of duplicate preimage usage.
+ *
+ * [`send_payment`]: Self::send_payment
+ */
+ public Result_ThirtyTwoBytesPaymentSendFailureZ send_spontaneous_payment(org.ldk.structs.Route route, org.ldk.structs.Option_ThirtyTwoBytesZ payment_preimage, org.ldk.structs.RecipientOnionFields recipient_onion, byte[] payment_id) {
+ long ret = bindings.ChannelManager_send_spontaneous_payment(this.ptr, route == null ? 0 : route.ptr, payment_preimage.ptr, recipient_onion == null ? 0 : recipient_onion.ptr, InternalUtils.check_arr_len(payment_id, 32));
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(route);
+ Reference.reachabilityFence(payment_preimage);
+ Reference.reachabilityFence(recipient_onion);
+ Reference.reachabilityFence(payment_id);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_ThirtyTwoBytesPaymentSendFailureZ ret_hu_conv = Result_ThirtyTwoBytesPaymentSendFailureZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(route); };
+ if (this != null) { this.ptrs_to.add(payment_preimage); };
+ if (this != null) { this.ptrs_to.add(recipient_onion); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Similar to [`ChannelManager::send_spontaneous_payment`], but will automatically find a route
+ * based on `route_params` and retry failed payment paths based on `retry_strategy`.
+ *
+ * See [`PaymentParameters::for_keysend`] for help in constructing `route_params` for spontaneous
+ * payments.
+ *
+ * [`PaymentParameters::for_keysend`]: crate::routing::router::PaymentParameters::for_keysend
+ */
+ public Result_ThirtyTwoBytesRetryableSendFailureZ send_spontaneous_payment_with_retry(org.ldk.structs.Option_ThirtyTwoBytesZ payment_preimage, org.ldk.structs.RecipientOnionFields recipient_onion, byte[] payment_id, org.ldk.structs.RouteParameters route_params, org.ldk.structs.Retry retry_strategy) {
+ long ret = bindings.ChannelManager_send_spontaneous_payment_with_retry(this.ptr, payment_preimage.ptr, recipient_onion == null ? 0 : recipient_onion.ptr, InternalUtils.check_arr_len(payment_id, 32), route_params == null ? 0 : route_params.ptr, retry_strategy.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(payment_preimage);
+ Reference.reachabilityFence(recipient_onion);
+ Reference.reachabilityFence(payment_id);
+ Reference.reachabilityFence(route_params);
+ Reference.reachabilityFence(retry_strategy);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_ThirtyTwoBytesRetryableSendFailureZ ret_hu_conv = Result_ThirtyTwoBytesRetryableSendFailureZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(payment_preimage); };
+ if (this != null) { this.ptrs_to.add(recipient_onion); };
+ if (this != null) { this.ptrs_to.add(route_params); };
+ if (this != null) { this.ptrs_to.add(retry_strategy); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Send a payment that is probing the given route for liquidity. We calculate the
+ * [`PaymentHash`] of probes based on a static secret and a random [`PaymentId`], which allows
+ * us to easily discern them from real payments.
+ */
+ public Result_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZPaymentSendFailureZ send_probe(org.ldk.structs.Path path) {
+ long ret = bindings.ChannelManager_send_probe(this.ptr, path == null ? 0 : path.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(path);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZPaymentSendFailureZ ret_hu_conv = Result_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZPaymentSendFailureZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(path); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Sends payment probes over all paths of a route that would be used to pay the given
+ * amount to the given `node_id`.
+ *
+ * See [`ChannelManager::send_preflight_probes`] for more information.
+ */
+ public Result_CVec_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZZProbeSendFailureZ send_spontaneous_preflight_probes(byte[] node_id, long amount_msat, int final_cltv_expiry_delta, org.ldk.structs.Option_u64Z liquidity_limit_multiplier) {
+ long ret = bindings.ChannelManager_send_spontaneous_preflight_probes(this.ptr, InternalUtils.check_arr_len(node_id, 33), amount_msat, final_cltv_expiry_delta, liquidity_limit_multiplier.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(node_id);
+ Reference.reachabilityFence(amount_msat);
+ Reference.reachabilityFence(final_cltv_expiry_delta);
+ Reference.reachabilityFence(liquidity_limit_multiplier);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_CVec_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZZProbeSendFailureZ ret_hu_conv = Result_CVec_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZZProbeSendFailureZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(liquidity_limit_multiplier); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Sends payment probes over all paths of a route that would be used to pay a route found
+ * according to the given [`RouteParameters`].
+ *
+ * This may be used to send \"pre-flight\" probes, i.e., to train our scorer before conducting
+ * the actual payment. Note this is only useful if there likely is sufficient time for the
+ * probe to settle before sending out the actual payment, e.g., when waiting for user
+ * confirmation in a wallet UI.
+ *
+ * Otherwise, there is a chance the probe could take up some liquidity needed to complete the
+ * actual payment. Users should therefore be cautious and might avoid sending probes if
+ * liquidity is scarce and/or they don't expect the probe to return before they send the
+ * payment. To mitigate this issue, channels with available liquidity less than the required
+ * amount times the given `liquidity_limit_multiplier` won't be used to send pre-flight
+ * probes. If `None` is given as `liquidity_limit_multiplier`, it defaults to `3`.
+ */
+ public Result_CVec_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZZProbeSendFailureZ send_preflight_probes(org.ldk.structs.RouteParameters route_params, org.ldk.structs.Option_u64Z liquidity_limit_multiplier) {
+ long ret = bindings.ChannelManager_send_preflight_probes(this.ptr, route_params == null ? 0 : route_params.ptr, liquidity_limit_multiplier.ptr);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(route_params);
+ Reference.reachabilityFence(liquidity_limit_multiplier);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_CVec_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZZProbeSendFailureZ ret_hu_conv = Result_CVec_C2Tuple_ThirtyTwoBytesThirtyTwoBytesZZProbeSendFailureZ.constr_from_ptr(ret);
+ if (this != null) { this.ptrs_to.add(route_params); };
+ if (this != null) { this.ptrs_to.add(liquidity_limit_multiplier); };