X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FEvent.java;h=26e3333a4659a85a8c4497c88caaa4d8c19de74b;hb=8aa8a96fc6d8fcdd3fbb419b4b4c12482af14938;hp=163c7a97d689f9b90c6c160608cb2f8ebbfed270;hpb=1b870a3ffab1c0024411e30102bc6d198300f095;p=ldk-java diff --git a/src/main/java/org/ldk/structs/Event.java b/src/main/java/org/ldk/structs/Event.java index 163c7a97..26e3333a 100644 --- a/src/main/java/org/ldk/structs/Event.java +++ b/src/main/java/org/ldk/structs/Event.java @@ -4,6 +4,8 @@ import org.ldk.impl.bindings; import org.ldk.enums.*; import org.ldk.util.*; import java.util.Arrays; +import java.lang.ref.Reference; +import javax.annotation.Nullable; /** @@ -26,11 +28,11 @@ public class Event extends CommonBase { if (raw_val.getClass() == bindings.LDKEvent.FundingGenerationReady.class) { return new FundingGenerationReady(ptr, (bindings.LDKEvent.FundingGenerationReady)raw_val); } - if (raw_val.getClass() == bindings.LDKEvent.FundingBroadcastSafe.class) { - return new FundingBroadcastSafe(ptr, (bindings.LDKEvent.FundingBroadcastSafe)raw_val); + if (raw_val.getClass() == bindings.LDKEvent.PaymentClaimable.class) { + return new PaymentClaimable(ptr, (bindings.LDKEvent.PaymentClaimable)raw_val); } - if (raw_val.getClass() == bindings.LDKEvent.PaymentReceived.class) { - return new PaymentReceived(ptr, (bindings.LDKEvent.PaymentReceived)raw_val); + if (raw_val.getClass() == bindings.LDKEvent.PaymentClaimed.class) { + return new PaymentClaimed(ptr, (bindings.LDKEvent.PaymentClaimed)raw_val); } if (raw_val.getClass() == bindings.LDKEvent.PaymentSent.class) { return new PaymentSent(ptr, (bindings.LDKEvent.PaymentSent)raw_val); @@ -38,87 +40,1216 @@ public class Event extends CommonBase { if (raw_val.getClass() == bindings.LDKEvent.PaymentFailed.class) { return new PaymentFailed(ptr, (bindings.LDKEvent.PaymentFailed)raw_val); } + if (raw_val.getClass() == bindings.LDKEvent.PaymentPathSuccessful.class) { + return new PaymentPathSuccessful(ptr, (bindings.LDKEvent.PaymentPathSuccessful)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.PaymentPathFailed.class) { + return new PaymentPathFailed(ptr, (bindings.LDKEvent.PaymentPathFailed)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.ProbeSuccessful.class) { + return new ProbeSuccessful(ptr, (bindings.LDKEvent.ProbeSuccessful)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.ProbeFailed.class) { + return new ProbeFailed(ptr, (bindings.LDKEvent.ProbeFailed)raw_val); + } if (raw_val.getClass() == bindings.LDKEvent.PendingHTLCsForwardable.class) { return new PendingHTLCsForwardable(ptr, (bindings.LDKEvent.PendingHTLCsForwardable)raw_val); } + if (raw_val.getClass() == bindings.LDKEvent.HTLCIntercepted.class) { + return new HTLCIntercepted(ptr, (bindings.LDKEvent.HTLCIntercepted)raw_val); + } if (raw_val.getClass() == bindings.LDKEvent.SpendableOutputs.class) { return new SpendableOutputs(ptr, (bindings.LDKEvent.SpendableOutputs)raw_val); } + if (raw_val.getClass() == bindings.LDKEvent.PaymentForwarded.class) { + return new PaymentForwarded(ptr, (bindings.LDKEvent.PaymentForwarded)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.ChannelReady.class) { + return new ChannelReady(ptr, (bindings.LDKEvent.ChannelReady)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.ChannelClosed.class) { + return new ChannelClosed(ptr, (bindings.LDKEvent.ChannelClosed)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.DiscardFunding.class) { + return new DiscardFunding(ptr, (bindings.LDKEvent.DiscardFunding)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.OpenChannelRequest.class) { + return new OpenChannelRequest(ptr, (bindings.LDKEvent.OpenChannelRequest)raw_val); + } + if (raw_val.getClass() == bindings.LDKEvent.HTLCHandlingFailed.class) { + return new HTLCHandlingFailed(ptr, (bindings.LDKEvent.HTLCHandlingFailed)raw_val); + } assert false; return null; // Unreachable without extending the (internal) bindings interface } + /** + * Used to indicate that the client should generate a funding transaction with the given + * parameters and then call [`ChannelManager::funding_transaction_generated`]. + * Generated in [`ChannelManager`] message handling. + * Note that *all inputs* in the funding transaction must spend SegWit outputs or your + * counterparty can steal your funds! + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager + * [`ChannelManager::funding_transaction_generated`]: crate::ln::channelmanager::ChannelManager::funding_transaction_generated + */ public final static class FundingGenerationReady extends Event { + /** + * The random channel_id we picked which you'll need to pass into + * [`ChannelManager::funding_transaction_generated`]. + * + * [`ChannelManager::funding_transaction_generated`]: crate::ln::channelmanager::ChannelManager::funding_transaction_generated + */ public final byte[] temporary_channel_id; + /** + * The counterparty's node_id, which you'll need to pass back into + * [`ChannelManager::funding_transaction_generated`]. + * + * [`ChannelManager::funding_transaction_generated`]: crate::ln::channelmanager::ChannelManager::funding_transaction_generated + */ + public final byte[] counterparty_node_id; + /** + * The value, in satoshis, that the output should have. + */ public final long channel_value_satoshis; + /** + * The script which should be used in the transaction output. + */ public final byte[] output_script; - public final long user_channel_id; + /** + * The `user_channel_id` value passed in to [`ChannelManager::create_channel`], or a + * random value for an inbound channel. This may be zero for objects serialized with LDK + * versions prior to 0.0.113. + * + * [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel + */ + public final org.ldk.util.UInt128 user_channel_id; private FundingGenerationReady(long ptr, bindings.LDKEvent.FundingGenerationReady obj) { super(null, ptr); this.temporary_channel_id = obj.temporary_channel_id; + this.counterparty_node_id = obj.counterparty_node_id; this.channel_value_satoshis = obj.channel_value_satoshis; this.output_script = obj.output_script; - this.user_channel_id = obj.user_channel_id; + byte[] user_channel_id = obj.user_channel_id; + org.ldk.util.UInt128 user_channel_id_conv = new org.ldk.util.UInt128(user_channel_id); + this.user_channel_id = user_channel_id_conv; } } - public final static class FundingBroadcastSafe extends Event { - public final OutPoint funding_txo; - public final long user_channel_id; - private FundingBroadcastSafe(long ptr, bindings.LDKEvent.FundingBroadcastSafe obj) { + /** + * Indicates that we've been offered a payment and it needs to be claimed via calling + * [`ChannelManager::claim_funds`] with the preimage given in [`PaymentPurpose`]. + * + * Note that if the preimage is not known, you should call + * [`ChannelManager::fail_htlc_backwards`] to free up resources for this HTLC and avoid + * network congestion. + * If you fail to call either [`ChannelManager::claim_funds`] or + * [`ChannelManager::fail_htlc_backwards`] within the HTLC's timeout, the HTLC will be + * automatically failed. + * + * # Note + * LDK will not stop an inbound payment from being paid multiple times, so multiple + * `PaymentClaimable` events may be generated for the same payment. + * + * # Note + * This event used to be called `PaymentReceived` in LDK versions 0.0.112 and earlier. + * + * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds + * [`ChannelManager::fail_htlc_backwards`]: crate::ln::channelmanager::ChannelManager::fail_htlc_backwards + */ + public final static class PaymentClaimable extends Event { + /** + * The node that will receive the payment after it has been claimed. + * This is useful to identify payments received via [phantom nodes]. + * This field will always be filled in when the event was generated by LDK versions + * 0.0.113 and above. + * + * [phantom nodes]: crate::chain::keysinterface::PhantomKeysManager + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] receiver_node_id; + /** + * The hash for which the preimage should be handed to the ChannelManager. Note that LDK will + * not stop you from registering duplicate payment hashes for inbound payments. + */ + public final byte[] payment_hash; + /** + * The value, in thousandths of a satoshi, that this payment is for. + */ + public final long amount_msat; + /** + * Information for claiming this received payment, based on whether the purpose of the + * payment is to pay an invoice or to send a spontaneous payment. + */ + public final org.ldk.structs.PaymentPurpose purpose; + /** + * The `channel_id` indicating over which channel we received the payment. + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] via_channel_id; + /** + * The `user_channel_id` indicating over which channel we received the payment. + */ + public final org.ldk.structs.Option_u128Z via_user_channel_id; + private PaymentClaimable(long ptr, bindings.LDKEvent.PaymentClaimable obj) { super(null, ptr); - long funding_txo = obj.funding_txo; - OutPoint funding_txo_hu_conv = new OutPoint(null, funding_txo); - funding_txo_hu_conv.ptrs_to.add(this); - this.funding_txo = funding_txo_hu_conv; - this.user_channel_id = obj.user_channel_id; + this.receiver_node_id = obj.receiver_node_id; + this.payment_hash = obj.payment_hash; + this.amount_msat = obj.amount_msat; + long purpose = obj.purpose; + org.ldk.structs.PaymentPurpose purpose_hu_conv = org.ldk.structs.PaymentPurpose.constr_from_ptr(purpose); + if (purpose_hu_conv != null) { purpose_hu_conv.ptrs_to.add(this); }; + this.purpose = purpose_hu_conv; + this.via_channel_id = obj.via_channel_id; + long via_user_channel_id = obj.via_user_channel_id; + org.ldk.structs.Option_u128Z via_user_channel_id_hu_conv = org.ldk.structs.Option_u128Z.constr_from_ptr(via_user_channel_id); + if (via_user_channel_id_hu_conv != null) { via_user_channel_id_hu_conv.ptrs_to.add(this); }; + this.via_user_channel_id = via_user_channel_id_hu_conv; } } - public final static class PaymentReceived extends Event { + /** + * Indicates a payment has been claimed and we've received money! + * + * This most likely occurs when [`ChannelManager::claim_funds`] has been called in response + * to an [`Event::PaymentClaimable`]. However, if we previously crashed during a + * [`ChannelManager::claim_funds`] call you may see this event without a corresponding + * [`Event::PaymentClaimable`] event. + * + * # Note + * LDK will not stop an inbound payment from being paid multiple times, so multiple + * `PaymentClaimable` events may be generated for the same payment. If you then call + * [`ChannelManager::claim_funds`] twice for the same [`Event::PaymentClaimable`] you may get + * multiple `PaymentClaimed` events. + * + * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds + */ + public final static class PaymentClaimed extends Event { + /** + * The node that received the payment. + * This is useful to identify payments which were received via [phantom nodes]. + * This field will always be filled in when the event was generated by LDK versions + * 0.0.113 and above. + * + * [phantom nodes]: crate::chain::keysinterface::PhantomKeysManager + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] receiver_node_id; + /** + * The payment hash of the claimed payment. Note that LDK will not stop you from + * registering duplicate payment hashes for inbound payments. + */ public final byte[] payment_hash; - public final byte[] payment_secret; - public final long amt; - private PaymentReceived(long ptr, bindings.LDKEvent.PaymentReceived obj) { + /** + * The value, in thousandths of a satoshi, that this payment is for. + */ + public final long amount_msat; + /** + * The purpose of the claimed payment, i.e. whether the payment was for an invoice or a + * spontaneous payment. + */ + public final org.ldk.structs.PaymentPurpose purpose; + private PaymentClaimed(long ptr, bindings.LDKEvent.PaymentClaimed obj) { super(null, ptr); + this.receiver_node_id = obj.receiver_node_id; this.payment_hash = obj.payment_hash; - this.payment_secret = obj.payment_secret; - this.amt = obj.amt; + this.amount_msat = obj.amount_msat; + long purpose = obj.purpose; + org.ldk.structs.PaymentPurpose purpose_hu_conv = org.ldk.structs.PaymentPurpose.constr_from_ptr(purpose); + if (purpose_hu_conv != null) { purpose_hu_conv.ptrs_to.add(this); }; + this.purpose = purpose_hu_conv; } } + /** + * Indicates an outbound payment we made succeeded (i.e. it made it all the way to its target + * and we got back the payment preimage for it). + * + * Note for MPP payments: in rare cases, this event may be preceded by a `PaymentPathFailed` + * event. In this situation, you SHOULD treat this payment as having succeeded. + */ public final static class PaymentSent extends Event { + /** + * The id returned by [`ChannelManager::send_payment`] and used with + * [`ChannelManager::retry_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + * [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] payment_id; + /** + * The preimage to the hash given to ChannelManager::send_payment. + * Note that this serves as a payment receipt, if you wish to have such a thing, you must + * store it somehow! + */ public final byte[] payment_preimage; + /** + * The hash that was given to [`ChannelManager::send_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + */ + public final byte[] payment_hash; + /** + * The total fee which was spent at intermediate hops in this payment, across all paths. + * + * Note that, like [`Route::get_total_fees`] this does *not* include any potential + * overpayment to the recipient node. + * + * If the recipient or an intermediate node misbehaves and gives us free money, this may + * overstate the amount paid, though this is unlikely. + * + * [`Route::get_total_fees`]: crate::routing::router::Route::get_total_fees + */ + public final org.ldk.structs.Option_u64Z fee_paid_msat; private PaymentSent(long ptr, bindings.LDKEvent.PaymentSent obj) { super(null, ptr); + this.payment_id = obj.payment_id; this.payment_preimage = obj.payment_preimage; + this.payment_hash = obj.payment_hash; + long fee_paid_msat = obj.fee_paid_msat; + org.ldk.structs.Option_u64Z fee_paid_msat_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(fee_paid_msat); + if (fee_paid_msat_hu_conv != null) { fee_paid_msat_hu_conv.ptrs_to.add(this); }; + this.fee_paid_msat = fee_paid_msat_hu_conv; } } + /** + * Indicates an outbound payment failed. Individual [`Event::PaymentPathFailed`] events + * provide failure information for each MPP part in the payment. + * + * This event is provided once there are no further pending HTLCs for the payment and the + * payment is no longer retryable due to [`ChannelManager::abandon_payment`] having been + * called for the corresponding payment. + * + * [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment + */ public final static class PaymentFailed extends Event { + /** + * The id returned by [`ChannelManager::send_payment`] and used with + * [`ChannelManager::retry_payment`] and [`ChannelManager::abandon_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + * [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment + * [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment + */ + public final byte[] payment_id; + /** + * The hash that was given to [`ChannelManager::send_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + */ public final byte[] payment_hash; - public final boolean rejected_by_dest; private PaymentFailed(long ptr, bindings.LDKEvent.PaymentFailed obj) { super(null, ptr); + this.payment_id = obj.payment_id; this.payment_hash = obj.payment_hash; - this.rejected_by_dest = obj.rejected_by_dest; } } + /** + * Indicates that a path for an outbound payment was successful. + * + * Always generated after [`Event::PaymentSent`] and thus useful for scoring channels. See + * [`Event::PaymentSent`] for obtaining the payment preimage. + */ + public final static class PaymentPathSuccessful extends Event { + /** + * The id returned by [`ChannelManager::send_payment`] and used with + * [`ChannelManager::retry_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + * [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment + */ + public final byte[] payment_id; + /** + * The hash that was given to [`ChannelManager::send_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] payment_hash; + /** + * The payment path that was successful. + * + * May contain a closed channel if the HTLC sent along the path was fulfilled on chain. + */ + public final RouteHop[] path; + private PaymentPathSuccessful(long ptr, bindings.LDKEvent.PaymentPathSuccessful obj) { + super(null, ptr); + this.payment_id = obj.payment_id; + this.payment_hash = obj.payment_hash; + long[] path = obj.path; + int path_conv_10_len = path.length; + RouteHop[] path_conv_10_arr = new RouteHop[path_conv_10_len]; + for (int k = 0; k < path_conv_10_len; k++) { + long path_conv_10 = path[k]; + org.ldk.structs.RouteHop path_conv_10_hu_conv = null; if (path_conv_10 < 0 || path_conv_10 > 4096) { path_conv_10_hu_conv = new org.ldk.structs.RouteHop(null, path_conv_10); } + if (path_conv_10_hu_conv != null) { path_conv_10_hu_conv.ptrs_to.add(this); }; + path_conv_10_arr[k] = path_conv_10_hu_conv; + } + this.path = path_conv_10_arr; + } + } + /** + * Indicates an outbound HTLC we sent failed. Probably some intermediary node dropped + * something. You may wish to retry with a different route. + * + * If you have given up retrying this payment and wish to fail it, you MUST call + * [`ChannelManager::abandon_payment`] at least once for a given [`PaymentId`] or memory + * related to payment tracking will leak. + * + * Note that this does *not* indicate that all paths for an MPP payment have failed, see + * [`Event::PaymentFailed`] and [`all_paths_failed`]. + * + * [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment + * [`all_paths_failed`]: Self::PaymentPathFailed::all_paths_failed + */ + public final static class PaymentPathFailed extends Event { + /** + * The id returned by [`ChannelManager::send_payment`] and used with + * [`ChannelManager::retry_payment`] and [`ChannelManager::abandon_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + * [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment + * [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] payment_id; + /** + * The hash that was given to [`ChannelManager::send_payment`]. + * + * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment + */ + public final byte[] payment_hash; + /** + * Indicates the payment was rejected for some reason by the recipient. This implies that + * the payment has failed, not just the route in question. If this is not set, you may + * retry the payment via a different route. + */ + public final boolean payment_failed_permanently; + /** + * Any failure information conveyed via the Onion return packet by a node along the failed + * payment route. + * + * Should be applied to the [`NetworkGraph`] so that routing decisions can take into + * account the update. + * + * [`NetworkGraph`]: crate::routing::gossip::NetworkGraph + */ + public final org.ldk.structs.Option_NetworkUpdateZ network_update; + /** + * For both single-path and multi-path payments, this is set if all paths of the payment have + * failed. This will be set to false if (1) this is an MPP payment and (2) other parts of the + * larger MPP payment were still in flight when this event was generated. + * + * Note that if you are retrying individual MPP parts, using this value to determine if a + * payment has fully failed is race-y. Because multiple failures can happen prior to events + * being processed, you may retry in response to a first failure, with a second failure + * (with `all_paths_failed` set) still pending. Then, when the second failure is processed + * you will see `all_paths_failed` set even though the retry of the first failure still + * has an associated in-flight HTLC. See (1) for an example of such a failure. + * + * If you wish to retry individual MPP parts and learn when a payment has failed, you must + * call [`ChannelManager::abandon_payment`] and wait for a [`Event::PaymentFailed`] event. + * + * (1) + * + * [`ChannelManager::abandon_payment`]: crate::ln::channelmanager::ChannelManager::abandon_payment + */ + public final boolean all_paths_failed; + /** + * The payment path that failed. + */ + public final RouteHop[] path; + /** + * The channel responsible for the failed payment path. + * + * Note that for route hints or for the first hop in a path this may be an SCID alias and + * may not refer to a channel in the public network graph. These aliases may also collide + * with channels in the public network graph. + * + * If this is `Some`, then the corresponding channel should be avoided when the payment is + * retried. May be `None` for older [`Event`] serializations. + */ + public final org.ldk.structs.Option_u64Z short_channel_id; + /** + * Parameters needed to compute a new [`Route`] when retrying the failed payment path. + * + * See [`find_route`] for details. + * + * [`Route`]: crate::routing::router::Route + * [`find_route`]: crate::routing::router::find_route + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final org.ldk.structs.RouteParameters retry; + private PaymentPathFailed(long ptr, bindings.LDKEvent.PaymentPathFailed obj) { + super(null, ptr); + this.payment_id = obj.payment_id; + this.payment_hash = obj.payment_hash; + this.payment_failed_permanently = obj.payment_failed_permanently; + long network_update = obj.network_update; + org.ldk.structs.Option_NetworkUpdateZ network_update_hu_conv = org.ldk.structs.Option_NetworkUpdateZ.constr_from_ptr(network_update); + if (network_update_hu_conv != null) { network_update_hu_conv.ptrs_to.add(this); }; + this.network_update = network_update_hu_conv; + this.all_paths_failed = obj.all_paths_failed; + long[] path = obj.path; + int path_conv_10_len = path.length; + RouteHop[] path_conv_10_arr = new RouteHop[path_conv_10_len]; + for (int k = 0; k < path_conv_10_len; k++) { + long path_conv_10 = path[k]; + org.ldk.structs.RouteHop path_conv_10_hu_conv = null; if (path_conv_10 < 0 || path_conv_10 > 4096) { path_conv_10_hu_conv = new org.ldk.structs.RouteHop(null, path_conv_10); } + if (path_conv_10_hu_conv != null) { path_conv_10_hu_conv.ptrs_to.add(this); }; + path_conv_10_arr[k] = path_conv_10_hu_conv; + } + this.path = path_conv_10_arr; + long short_channel_id = obj.short_channel_id; + org.ldk.structs.Option_u64Z short_channel_id_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(short_channel_id); + if (short_channel_id_hu_conv != null) { short_channel_id_hu_conv.ptrs_to.add(this); }; + this.short_channel_id = short_channel_id_hu_conv; + long retry = obj.retry; + org.ldk.structs.RouteParameters retry_hu_conv = null; if (retry < 0 || retry > 4096) { retry_hu_conv = new org.ldk.structs.RouteParameters(null, retry); } + if (retry_hu_conv != null) { retry_hu_conv.ptrs_to.add(this); }; + this.retry = retry_hu_conv; + } + } + /** + * Indicates that a probe payment we sent returned successful, i.e., only failed at the destination. + */ + public final static class ProbeSuccessful extends Event { + /** + * The id returned by [`ChannelManager::send_probe`]. + * + * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe + */ + public final byte[] payment_id; + /** + * The hash generated by [`ChannelManager::send_probe`]. + * + * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe + */ + public final byte[] payment_hash; + /** + * The payment path that was successful. + */ + public final RouteHop[] path; + private ProbeSuccessful(long ptr, bindings.LDKEvent.ProbeSuccessful obj) { + super(null, ptr); + this.payment_id = obj.payment_id; + this.payment_hash = obj.payment_hash; + long[] path = obj.path; + int path_conv_10_len = path.length; + RouteHop[] path_conv_10_arr = new RouteHop[path_conv_10_len]; + for (int k = 0; k < path_conv_10_len; k++) { + long path_conv_10 = path[k]; + org.ldk.structs.RouteHop path_conv_10_hu_conv = null; if (path_conv_10 < 0 || path_conv_10 > 4096) { path_conv_10_hu_conv = new org.ldk.structs.RouteHop(null, path_conv_10); } + if (path_conv_10_hu_conv != null) { path_conv_10_hu_conv.ptrs_to.add(this); }; + path_conv_10_arr[k] = path_conv_10_hu_conv; + } + this.path = path_conv_10_arr; + } + } + /** + * Indicates that a probe payment we sent failed at an intermediary node on the path. + */ + public final static class ProbeFailed extends Event { + /** + * The id returned by [`ChannelManager::send_probe`]. + * + * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe + */ + public final byte[] payment_id; + /** + * The hash generated by [`ChannelManager::send_probe`]. + * + * [`ChannelManager::send_probe`]: crate::ln::channelmanager::ChannelManager::send_probe + */ + public final byte[] payment_hash; + /** + * The payment path that failed. + */ + public final RouteHop[] path; + /** + * The channel responsible for the failed probe. + * + * Note that for route hints or for the first hop in a path this may be an SCID alias and + * may not refer to a channel in the public network graph. These aliases may also collide + * with channels in the public network graph. + */ + public final org.ldk.structs.Option_u64Z short_channel_id; + private ProbeFailed(long ptr, bindings.LDKEvent.ProbeFailed obj) { + super(null, ptr); + this.payment_id = obj.payment_id; + this.payment_hash = obj.payment_hash; + long[] path = obj.path; + int path_conv_10_len = path.length; + RouteHop[] path_conv_10_arr = new RouteHop[path_conv_10_len]; + for (int k = 0; k < path_conv_10_len; k++) { + long path_conv_10 = path[k]; + org.ldk.structs.RouteHop path_conv_10_hu_conv = null; if (path_conv_10 < 0 || path_conv_10 > 4096) { path_conv_10_hu_conv = new org.ldk.structs.RouteHop(null, path_conv_10); } + if (path_conv_10_hu_conv != null) { path_conv_10_hu_conv.ptrs_to.add(this); }; + path_conv_10_arr[k] = path_conv_10_hu_conv; + } + this.path = path_conv_10_arr; + long short_channel_id = obj.short_channel_id; + org.ldk.structs.Option_u64Z short_channel_id_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(short_channel_id); + if (short_channel_id_hu_conv != null) { short_channel_id_hu_conv.ptrs_to.add(this); }; + this.short_channel_id = short_channel_id_hu_conv; + } + } + /** + * Used to indicate that [`ChannelManager::process_pending_htlc_forwards`] should be called at + * a time in the future. + * + * [`ChannelManager::process_pending_htlc_forwards`]: crate::ln::channelmanager::ChannelManager::process_pending_htlc_forwards + */ public final static class PendingHTLCsForwardable extends Event { + /** + * The minimum amount of time that should be waited prior to calling + * process_pending_htlc_forwards. To increase the effort required to correlate payments, + * you should wait a random amount of time in roughly the range (now + time_forwardable, + * now + 5*time_forwardable). + */ public final long time_forwardable; private PendingHTLCsForwardable(long ptr, bindings.LDKEvent.PendingHTLCsForwardable obj) { super(null, ptr); this.time_forwardable = obj.time_forwardable; } } + /** + * Used to indicate that we've intercepted an HTLC forward. This event will only be generated if + * you've encoded an intercept scid in the receiver's invoice route hints using + * [`ChannelManager::get_intercept_scid`] and have set [`UserConfig::accept_intercept_htlcs`]. + * + * [`ChannelManager::forward_intercepted_htlc`] or + * [`ChannelManager::fail_intercepted_htlc`] MUST be called in response to this event. See + * their docs for more information. + * + * [`ChannelManager::get_intercept_scid`]: crate::ln::channelmanager::ChannelManager::get_intercept_scid + * [`UserConfig::accept_intercept_htlcs`]: crate::util::config::UserConfig::accept_intercept_htlcs + * [`ChannelManager::forward_intercepted_htlc`]: crate::ln::channelmanager::ChannelManager::forward_intercepted_htlc + * [`ChannelManager::fail_intercepted_htlc`]: crate::ln::channelmanager::ChannelManager::fail_intercepted_htlc + */ + public final static class HTLCIntercepted extends Event { + /** + * An id to help LDK identify which HTLC is being forwarded or failed. + */ + public final byte[] intercept_id; + /** + * The fake scid that was programmed as the next hop's scid, generated using + * [`ChannelManager::get_intercept_scid`]. + * + * [`ChannelManager::get_intercept_scid`]: crate::ln::channelmanager::ChannelManager::get_intercept_scid + */ + public final long requested_next_hop_scid; + /** + * The payment hash used for this HTLC. + */ + public final byte[] payment_hash; + /** + * How many msats were received on the inbound edge of this HTLC. + */ + public final long inbound_amount_msat; + /** + * How many msats the payer intended to route to the next node. Depending on the reason you are + * intercepting this payment, you might take a fee by forwarding less than this amount. + * + * Note that LDK will NOT check that expected fees were factored into this value. You MUST + * check that whatever fee you want has been included here or subtract it as required. Further, + * LDK will not stop you from forwarding more than you received. + */ + public final long expected_outbound_amount_msat; + private HTLCIntercepted(long ptr, bindings.LDKEvent.HTLCIntercepted obj) { + super(null, ptr); + this.intercept_id = obj.intercept_id; + this.requested_next_hop_scid = obj.requested_next_hop_scid; + this.payment_hash = obj.payment_hash; + this.inbound_amount_msat = obj.inbound_amount_msat; + this.expected_outbound_amount_msat = obj.expected_outbound_amount_msat; + } + } + /** + * Used to indicate that an output which you should know how to spend was confirmed on chain + * and is now spendable. + * Such an output will *not* ever be spent by rust-lightning, and are not at risk of your + * counterparty spending them due to some kind of timeout. Thus, you need to store them + * somewhere and spend them when you create on-chain transactions. + */ public final static class SpendableOutputs extends Event { + /** + * The outputs which you should store as spendable by you. + */ public final SpendableOutputDescriptor[] outputs; private SpendableOutputs(long ptr, bindings.LDKEvent.SpendableOutputs obj) { super(null, ptr); long[] outputs = obj.outputs; - SpendableOutputDescriptor[] outputs_conv_27_arr = new SpendableOutputDescriptor[outputs.length]; - for (int b = 0; b < outputs.length; b++) { + int outputs_conv_27_len = outputs.length; + SpendableOutputDescriptor[] outputs_conv_27_arr = new SpendableOutputDescriptor[outputs_conv_27_len]; + for (int b = 0; b < outputs_conv_27_len; b++) { long outputs_conv_27 = outputs[b]; - SpendableOutputDescriptor outputs_conv_27_hu_conv = SpendableOutputDescriptor.constr_from_ptr(outputs_conv_27); - outputs_conv_27_hu_conv.ptrs_to.add(this); + org.ldk.structs.SpendableOutputDescriptor outputs_conv_27_hu_conv = org.ldk.structs.SpendableOutputDescriptor.constr_from_ptr(outputs_conv_27); + if (outputs_conv_27_hu_conv != null) { outputs_conv_27_hu_conv.ptrs_to.add(this); }; outputs_conv_27_arr[b] = outputs_conv_27_hu_conv; } this.outputs = outputs_conv_27_arr; } } + /** + * This event is generated when a payment has been successfully forwarded through us and a + * forwarding fee earned. + */ + public final static class PaymentForwarded extends Event { + /** + * The incoming channel between the previous node and us. This is only `None` for events + * generated or serialized by versions prior to 0.0.107. + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] prev_channel_id; + /** + * The outgoing channel between the next node and us. This is only `None` for events + * generated or serialized by versions prior to 0.0.107. + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None + */ + @Nullable public final byte[] next_channel_id; + /** + * The fee, in milli-satoshis, which was earned as a result of the payment. + * + * Note that if we force-closed the channel over which we forwarded an HTLC while the HTLC + * was pending, the amount the next hop claimed will have been rounded down to the nearest + * whole satoshi. Thus, the fee calculated here may be higher than expected as we still + * claimed the full value in millisatoshis from the source. In this case, + * `claim_from_onchain_tx` will be set. + * + * If the channel which sent us the payment has been force-closed, we will claim the funds + * via an on-chain transaction. In that case we do not yet know the on-chain transaction + * fees which we will spend and will instead set this to `None`. It is possible duplicate + * `PaymentForwarded` events are generated for the same payment iff `fee_earned_msat` is + * `None`. + */ + public final org.ldk.structs.Option_u64Z fee_earned_msat; + /** + * If this is `true`, the forwarded HTLC was claimed by our counterparty via an on-chain + * transaction. + */ + public final boolean claim_from_onchain_tx; + private PaymentForwarded(long ptr, bindings.LDKEvent.PaymentForwarded obj) { + super(null, ptr); + this.prev_channel_id = obj.prev_channel_id; + this.next_channel_id = obj.next_channel_id; + long fee_earned_msat = obj.fee_earned_msat; + org.ldk.structs.Option_u64Z fee_earned_msat_hu_conv = org.ldk.structs.Option_u64Z.constr_from_ptr(fee_earned_msat); + if (fee_earned_msat_hu_conv != null) { fee_earned_msat_hu_conv.ptrs_to.add(this); }; + this.fee_earned_msat = fee_earned_msat_hu_conv; + this.claim_from_onchain_tx = obj.claim_from_onchain_tx; + } + } + /** + * Used to indicate that a channel with the given `channel_id` is ready to + * be used. This event is emitted either when the funding transaction has been confirmed + * on-chain, or, in case of a 0conf channel, when both parties have confirmed the channel + * establishment. + */ + public final static class ChannelReady extends Event { + /** + * The channel_id of the channel that is ready. + */ + public final byte[] channel_id; + /** + * The `user_channel_id` value passed in to [`ChannelManager::create_channel`] for outbound + * channels, or to [`ChannelManager::accept_inbound_channel`] for inbound channels if + * [`UserConfig::manually_accept_inbound_channels`] config flag is set to true. Otherwise + * `user_channel_id` will be randomized for an inbound channel. + * + * [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel + * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel + * [`UserConfig::manually_accept_inbound_channels`]: crate::util::config::UserConfig::manually_accept_inbound_channels + */ + public final org.ldk.util.UInt128 user_channel_id; + /** + * The node_id of the channel counterparty. + */ + public final byte[] counterparty_node_id; + /** + * The features that this channel will operate with. + */ + public final org.ldk.structs.ChannelTypeFeatures channel_type; + private ChannelReady(long ptr, bindings.LDKEvent.ChannelReady obj) { + super(null, ptr); + this.channel_id = obj.channel_id; + byte[] user_channel_id = obj.user_channel_id; + org.ldk.util.UInt128 user_channel_id_conv = new org.ldk.util.UInt128(user_channel_id); + this.user_channel_id = user_channel_id_conv; + this.counterparty_node_id = obj.counterparty_node_id; + long channel_type = obj.channel_type; + org.ldk.structs.ChannelTypeFeatures channel_type_hu_conv = null; if (channel_type < 0 || channel_type > 4096) { channel_type_hu_conv = new org.ldk.structs.ChannelTypeFeatures(null, channel_type); } + if (channel_type_hu_conv != null) { channel_type_hu_conv.ptrs_to.add(this); }; + this.channel_type = channel_type_hu_conv; + } + } + /** + * Used to indicate that a previously opened channel with the given `channel_id` is in the + * process of closure. + */ + public final static class ChannelClosed extends Event { + /** + * The channel_id of the channel which has been closed. Note that on-chain transactions + * resolving the channel are likely still awaiting confirmation. + */ + public final byte[] channel_id; + /** + * The `user_channel_id` value passed in to [`ChannelManager::create_channel`] for outbound + * channels, or to [`ChannelManager::accept_inbound_channel`] for inbound channels if + * [`UserConfig::manually_accept_inbound_channels`] config flag is set to true. Otherwise + * `user_channel_id` will be randomized for inbound channels. + * This may be zero for inbound channels serialized prior to 0.0.113 and will always be + * zero for objects serialized with LDK versions prior to 0.0.102. + * + * [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel + * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel + * [`UserConfig::manually_accept_inbound_channels`]: crate::util::config::UserConfig::manually_accept_inbound_channels + */ + public final org.ldk.util.UInt128 user_channel_id; + /** + * The reason the channel was closed. + */ + public final org.ldk.structs.ClosureReason reason; + private ChannelClosed(long ptr, bindings.LDKEvent.ChannelClosed obj) { + super(null, ptr); + this.channel_id = obj.channel_id; + byte[] user_channel_id = obj.user_channel_id; + org.ldk.util.UInt128 user_channel_id_conv = new org.ldk.util.UInt128(user_channel_id); + this.user_channel_id = user_channel_id_conv; + long reason = obj.reason; + org.ldk.structs.ClosureReason reason_hu_conv = org.ldk.structs.ClosureReason.constr_from_ptr(reason); + if (reason_hu_conv != null) { reason_hu_conv.ptrs_to.add(this); }; + this.reason = reason_hu_conv; + } + } + /** + * Used to indicate to the user that they can abandon the funding transaction and recycle the + * inputs for another purpose. + */ + public final static class DiscardFunding extends Event { + /** + * The channel_id of the channel which has been closed. + */ + public final byte[] channel_id; + /** + * The full transaction received from the user + */ + public final byte[] transaction; + private DiscardFunding(long ptr, bindings.LDKEvent.DiscardFunding obj) { + super(null, ptr); + this.channel_id = obj.channel_id; + this.transaction = obj.transaction; + } + } + /** + * Indicates a request to open a new channel by a peer. + * + * To accept the request, call [`ChannelManager::accept_inbound_channel`]. To reject the + * request, call [`ChannelManager::force_close_without_broadcasting_txn`]. + * + * The event is only triggered when a new open channel request is received and the + * [`UserConfig::manually_accept_inbound_channels`] config flag is set to true. + * + * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel + * [`ChannelManager::force_close_without_broadcasting_txn`]: crate::ln::channelmanager::ChannelManager::force_close_without_broadcasting_txn + * [`UserConfig::manually_accept_inbound_channels`]: crate::util::config::UserConfig::manually_accept_inbound_channels + */ + public final static class OpenChannelRequest extends Event { + /** + * The temporary channel ID of the channel requested to be opened. + * + * When responding to the request, the `temporary_channel_id` should be passed + * back to the ChannelManager through [`ChannelManager::accept_inbound_channel`] to accept, + * or through [`ChannelManager::force_close_without_broadcasting_txn`] to reject. + * + * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel + * [`ChannelManager::force_close_without_broadcasting_txn`]: crate::ln::channelmanager::ChannelManager::force_close_without_broadcasting_txn + */ + public final byte[] temporary_channel_id; + /** + * The node_id of the counterparty requesting to open the channel. + * + * When responding to the request, the `counterparty_node_id` should be passed + * back to the `ChannelManager` through [`ChannelManager::accept_inbound_channel`] to + * accept the request, or through [`ChannelManager::force_close_without_broadcasting_txn`] to reject the + * request. + * + * [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel + * [`ChannelManager::force_close_without_broadcasting_txn`]: crate::ln::channelmanager::ChannelManager::force_close_without_broadcasting_txn + */ + public final byte[] counterparty_node_id; + /** + * The channel value of the requested channel. + */ + public final long funding_satoshis; + /** + * Our starting balance in the channel if the request is accepted, in milli-satoshi. + */ + public final long push_msat; + /** + * The features that this channel will operate with. If you reject the channel, a + * well-behaved counterparty may automatically re-attempt the channel with a new set of + * feature flags. + * + * Note that if [`ChannelTypeFeatures::supports_scid_privacy`] returns true on this type, + * the resulting [`ChannelManager`] will not be readable by versions of LDK prior to + * 0.0.106. + * + * Furthermore, note that if [`ChannelTypeFeatures::supports_zero_conf`] returns true on this type, + * the resulting [`ChannelManager`] will not be readable by versions of LDK prior to + * 0.0.107. Channels setting this type also need to get manually accepted via + * [`crate::ln::channelmanager::ChannelManager::accept_inbound_channel_from_trusted_peer_0conf`], + * or will be rejected otherwise. + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager + */ + public final org.ldk.structs.ChannelTypeFeatures channel_type; + private OpenChannelRequest(long ptr, bindings.LDKEvent.OpenChannelRequest obj) { + super(null, ptr); + this.temporary_channel_id = obj.temporary_channel_id; + this.counterparty_node_id = obj.counterparty_node_id; + this.funding_satoshis = obj.funding_satoshis; + this.push_msat = obj.push_msat; + long channel_type = obj.channel_type; + org.ldk.structs.ChannelTypeFeatures channel_type_hu_conv = null; if (channel_type < 0 || channel_type > 4096) { channel_type_hu_conv = new org.ldk.structs.ChannelTypeFeatures(null, channel_type); } + if (channel_type_hu_conv != null) { channel_type_hu_conv.ptrs_to.add(this); }; + this.channel_type = channel_type_hu_conv; + } + } + /** + * Indicates that the HTLC was accepted, but could not be processed when or after attempting to + * forward it. + * + * Some scenarios where this event may be sent include: + * Insufficient capacity in the outbound channel + * While waiting to forward the HTLC, the channel it is meant to be forwarded through closes + * When an unknown SCID is requested for forwarding a payment. + * Claiming an amount for an MPP payment that exceeds the HTLC total + * The HTLC has timed out + * + * This event, however, does not get generated if an HTLC fails to meet the forwarding + * requirements (i.e. insufficient fees paid, or a CLTV that is too soon). + */ + public final static class HTLCHandlingFailed extends Event { + /** + * The channel over which the HTLC was received. + */ + public final byte[] prev_channel_id; + /** + * Destination of the HTLC that failed to be processed. + */ + public final org.ldk.structs.HTLCDestination failed_next_destination; + private HTLCHandlingFailed(long ptr, bindings.LDKEvent.HTLCHandlingFailed obj) { + super(null, ptr); + this.prev_channel_id = obj.prev_channel_id; + long failed_next_destination = obj.failed_next_destination; + org.ldk.structs.HTLCDestination failed_next_destination_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(failed_next_destination); + if (failed_next_destination_hu_conv != null) { failed_next_destination_hu_conv.ptrs_to.add(this); }; + this.failed_next_destination = failed_next_destination_hu_conv; + } + } + long clone_ptr() { + long ret = bindings.Event_clone_ptr(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + + /** + * Creates a copy of the Event + */ + public Event clone() { + long ret = bindings.Event_clone(this.ptr); + Reference.reachabilityFence(this); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new FundingGenerationReady-variant Event + */ + public static Event funding_generation_ready(byte[] temporary_channel_id, byte[] counterparty_node_id, long channel_value_satoshis, byte[] output_script, org.ldk.util.UInt128 user_channel_id) { + long ret = bindings.Event_funding_generation_ready(InternalUtils.check_arr_len(temporary_channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33), channel_value_satoshis, output_script, user_channel_id.getLEBytes()); + Reference.reachabilityFence(temporary_channel_id); + Reference.reachabilityFence(counterparty_node_id); + Reference.reachabilityFence(channel_value_satoshis); + Reference.reachabilityFence(output_script); + Reference.reachabilityFence(user_channel_id); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentClaimable-variant Event + */ + public static Event payment_claimable(byte[] receiver_node_id, byte[] payment_hash, long amount_msat, org.ldk.structs.PaymentPurpose purpose, byte[] via_channel_id, org.ldk.structs.Option_u128Z via_user_channel_id) { + long ret = bindings.Event_payment_claimable(InternalUtils.check_arr_len(receiver_node_id, 33), InternalUtils.check_arr_len(payment_hash, 32), amount_msat, purpose.ptr, InternalUtils.check_arr_len(via_channel_id, 32), via_user_channel_id.ptr); + Reference.reachabilityFence(receiver_node_id); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(amount_msat); + Reference.reachabilityFence(purpose); + Reference.reachabilityFence(via_channel_id); + Reference.reachabilityFence(via_user_channel_id); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentClaimed-variant Event + */ + public static Event payment_claimed(byte[] receiver_node_id, byte[] payment_hash, long amount_msat, org.ldk.structs.PaymentPurpose purpose) { + long ret = bindings.Event_payment_claimed(InternalUtils.check_arr_len(receiver_node_id, 33), InternalUtils.check_arr_len(payment_hash, 32), amount_msat, purpose.ptr); + Reference.reachabilityFence(receiver_node_id); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(amount_msat); + Reference.reachabilityFence(purpose); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentSent-variant Event + */ + public static Event payment_sent(byte[] payment_id, byte[] payment_preimage, byte[] payment_hash, org.ldk.structs.Option_u64Z fee_paid_msat) { + long ret = bindings.Event_payment_sent(InternalUtils.check_arr_len(payment_id, 32), InternalUtils.check_arr_len(payment_preimage, 32), InternalUtils.check_arr_len(payment_hash, 32), fee_paid_msat.ptr); + Reference.reachabilityFence(payment_id); + Reference.reachabilityFence(payment_preimage); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(fee_paid_msat); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentFailed-variant Event + */ + public static Event payment_failed(byte[] payment_id, byte[] payment_hash) { + long ret = bindings.Event_payment_failed(InternalUtils.check_arr_len(payment_id, 32), InternalUtils.check_arr_len(payment_hash, 32)); + Reference.reachabilityFence(payment_id); + Reference.reachabilityFence(payment_hash); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentPathSuccessful-variant Event + */ + public static Event payment_path_successful(byte[] payment_id, byte[] payment_hash, RouteHop[] path) { + long ret = bindings.Event_payment_path_successful(InternalUtils.check_arr_len(payment_id, 32), InternalUtils.check_arr_len(payment_hash, 32), path != null ? Arrays.stream(path).mapToLong(path_conv_10 -> path_conv_10 == null ? 0 : path_conv_10.ptr).toArray() : null); + Reference.reachabilityFence(payment_id); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(path); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + for (RouteHop path_conv_10: path) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(path_conv_10); }; }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentPathFailed-variant Event + */ + public static Event payment_path_failed(byte[] payment_id, byte[] payment_hash, boolean payment_failed_permanently, org.ldk.structs.Option_NetworkUpdateZ network_update, boolean all_paths_failed, RouteHop[] path, org.ldk.structs.Option_u64Z short_channel_id, org.ldk.structs.RouteParameters retry) { + long ret = bindings.Event_payment_path_failed(InternalUtils.check_arr_len(payment_id, 32), InternalUtils.check_arr_len(payment_hash, 32), payment_failed_permanently, network_update.ptr, all_paths_failed, path != null ? Arrays.stream(path).mapToLong(path_conv_10 -> path_conv_10 == null ? 0 : path_conv_10.ptr).toArray() : null, short_channel_id.ptr, retry == null ? 0 : retry.ptr); + Reference.reachabilityFence(payment_id); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(payment_failed_permanently); + Reference.reachabilityFence(network_update); + Reference.reachabilityFence(all_paths_failed); + Reference.reachabilityFence(path); + Reference.reachabilityFence(short_channel_id); + Reference.reachabilityFence(retry); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + for (RouteHop path_conv_10: path) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(path_conv_10); }; }; + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(retry); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new ProbeSuccessful-variant Event + */ + public static Event probe_successful(byte[] payment_id, byte[] payment_hash, RouteHop[] path) { + long ret = bindings.Event_probe_successful(InternalUtils.check_arr_len(payment_id, 32), InternalUtils.check_arr_len(payment_hash, 32), path != null ? Arrays.stream(path).mapToLong(path_conv_10 -> path_conv_10 == null ? 0 : path_conv_10.ptr).toArray() : null); + Reference.reachabilityFence(payment_id); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(path); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + for (RouteHop path_conv_10: path) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(path_conv_10); }; }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new ProbeFailed-variant Event + */ + public static Event probe_failed(byte[] payment_id, byte[] payment_hash, RouteHop[] path, org.ldk.structs.Option_u64Z short_channel_id) { + long ret = bindings.Event_probe_failed(InternalUtils.check_arr_len(payment_id, 32), InternalUtils.check_arr_len(payment_hash, 32), path != null ? Arrays.stream(path).mapToLong(path_conv_10 -> path_conv_10 == null ? 0 : path_conv_10.ptr).toArray() : null, short_channel_id.ptr); + Reference.reachabilityFence(payment_id); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(path); + Reference.reachabilityFence(short_channel_id); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + for (RouteHop path_conv_10: path) { if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(path_conv_10); }; }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PendingHTLCsForwardable-variant Event + */ + public static Event pending_htlcs_forwardable(long time_forwardable) { + long ret = bindings.Event_pending_htlcs_forwardable(time_forwardable); + Reference.reachabilityFence(time_forwardable); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new HTLCIntercepted-variant Event + */ + public static Event htlcintercepted(byte[] intercept_id, long requested_next_hop_scid, byte[] payment_hash, long inbound_amount_msat, long expected_outbound_amount_msat) { + long ret = bindings.Event_htlcintercepted(InternalUtils.check_arr_len(intercept_id, 32), requested_next_hop_scid, InternalUtils.check_arr_len(payment_hash, 32), inbound_amount_msat, expected_outbound_amount_msat); + Reference.reachabilityFence(intercept_id); + Reference.reachabilityFence(requested_next_hop_scid); + Reference.reachabilityFence(payment_hash); + Reference.reachabilityFence(inbound_amount_msat); + Reference.reachabilityFence(expected_outbound_amount_msat); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new SpendableOutputs-variant Event + */ + public static Event spendable_outputs(SpendableOutputDescriptor[] outputs) { + long ret = bindings.Event_spendable_outputs(outputs != null ? Arrays.stream(outputs).mapToLong(outputs_conv_27 -> outputs_conv_27.ptr).toArray() : null); + Reference.reachabilityFence(outputs); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new PaymentForwarded-variant Event + */ + public static Event payment_forwarded(byte[] prev_channel_id, byte[] next_channel_id, org.ldk.structs.Option_u64Z fee_earned_msat, boolean claim_from_onchain_tx) { + long ret = bindings.Event_payment_forwarded(InternalUtils.check_arr_len(prev_channel_id, 32), InternalUtils.check_arr_len(next_channel_id, 32), fee_earned_msat.ptr, claim_from_onchain_tx); + Reference.reachabilityFence(prev_channel_id); + Reference.reachabilityFence(next_channel_id); + Reference.reachabilityFence(fee_earned_msat); + Reference.reachabilityFence(claim_from_onchain_tx); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new ChannelReady-variant Event + */ + public static Event channel_ready(byte[] channel_id, org.ldk.util.UInt128 user_channel_id, byte[] counterparty_node_id, org.ldk.structs.ChannelTypeFeatures channel_type) { + long ret = bindings.Event_channel_ready(InternalUtils.check_arr_len(channel_id, 32), user_channel_id.getLEBytes(), InternalUtils.check_arr_len(counterparty_node_id, 33), channel_type == null ? 0 : channel_type.ptr); + Reference.reachabilityFence(channel_id); + Reference.reachabilityFence(user_channel_id); + Reference.reachabilityFence(counterparty_node_id); + Reference.reachabilityFence(channel_type); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channel_type); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new ChannelClosed-variant Event + */ + public static Event channel_closed(byte[] channel_id, org.ldk.util.UInt128 user_channel_id, org.ldk.structs.ClosureReason reason) { + long ret = bindings.Event_channel_closed(InternalUtils.check_arr_len(channel_id, 32), user_channel_id.getLEBytes(), reason.ptr); + Reference.reachabilityFence(channel_id); + Reference.reachabilityFence(user_channel_id); + Reference.reachabilityFence(reason); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new DiscardFunding-variant Event + */ + public static Event discard_funding(byte[] channel_id, byte[] transaction) { + long ret = bindings.Event_discard_funding(InternalUtils.check_arr_len(channel_id, 32), transaction); + Reference.reachabilityFence(channel_id); + Reference.reachabilityFence(transaction); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new OpenChannelRequest-variant Event + */ + public static Event open_channel_request(byte[] temporary_channel_id, byte[] counterparty_node_id, long funding_satoshis, long push_msat, org.ldk.structs.ChannelTypeFeatures channel_type) { + long ret = bindings.Event_open_channel_request(InternalUtils.check_arr_len(temporary_channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33), funding_satoshis, push_msat, channel_type == null ? 0 : channel_type.ptr); + Reference.reachabilityFence(temporary_channel_id); + Reference.reachabilityFence(counterparty_node_id); + Reference.reachabilityFence(funding_satoshis); + Reference.reachabilityFence(push_msat); + Reference.reachabilityFence(channel_type); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(channel_type); }; + return ret_hu_conv; + } + + /** + * Utility method to constructs a new HTLCHandlingFailed-variant Event + */ + public static Event htlchandling_failed(byte[] prev_channel_id, org.ldk.structs.HTLCDestination failed_next_destination) { + long ret = bindings.Event_htlchandling_failed(InternalUtils.check_arr_len(prev_channel_id, 32), failed_next_destination.ptr); + Reference.reachabilityFence(prev_channel_id); + Reference.reachabilityFence(failed_next_destination); + if (ret >= 0 && ret <= 4096) { return null; } + org.ldk.structs.Event ret_hu_conv = org.ldk.structs.Event.constr_from_ptr(ret); + if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); }; + return ret_hu_conv; + } + + /** + * Serialize the Event object into a byte array which can be read by Event_read + */ + public byte[] write() { + byte[] ret = bindings.Event_write(this.ptr); + Reference.reachabilityFence(this); + return ret; + } + }