package org.ldk.structs;
import org.ldk.impl.bindings;
-
import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+/**
+ * A trait to describe an object which can receive routing messages.
+ *
+ * # Implementor DoS Warnings
+ *
+ * For `gossip_queries` messages there are potential DoS vectors when handling
+ * inbound queries. Implementors using an on-disk network graph should be aware of
+ * repeated disk I/O for queries accessing different parts of the network graph.
+ */
+@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class RoutingMessageHandler extends CommonBase {
- RoutingMessageHandler(Object _dummy, long ptr) { super(ptr); }
- public RoutingMessageHandler(bindings.LDKRoutingMessageHandler arg) {
- super(bindings.LDKRoutingMessageHandler_new(arg));
+ final bindings.LDKRoutingMessageHandler bindings_instance;
+ RoutingMessageHandler(Object _dummy, long ptr) { super(ptr); bindings_instance = null; }
+ private RoutingMessageHandler(bindings.LDKRoutingMessageHandler arg, bindings.LDKMessageSendEventsProvider MessageSendEventsProvider) {
+ super(bindings.LDKRoutingMessageHandler_new(arg, MessageSendEventsProvider));
this.ptrs_to.add(arg);
+ this.ptrs_to.add(MessageSendEventsProvider);
+ this.bindings_instance = arg;
}
@Override @SuppressWarnings("deprecation")
protected void finalize() throws Throwable {
- bindings.RoutingMessageHandler_free(ptr); super.finalize();
- }
-
- // Skipped RoutingMessageHandler_handle_node_announcement
- // Skipped RoutingMessageHandler_handle_channel_announcement
- // Skipped RoutingMessageHandler_handle_channel_update
- // Skipped RoutingMessageHandler_handle_htlc_fail_channel_update
- // Skipped RoutingMessageHandler_get_next_channel_announcements
- // Skipped RoutingMessageHandler_get_next_node_announcements
- public boolean should_request_full_sync(byte[] node_id) {
- boolean ret = bindings.RoutingMessageHandler_should_request_full_sync(this.ptr, node_id);
- return ret;
+ if (ptr != 0) { bindings.RoutingMessageHandler_free(ptr); } super.finalize();
+ }
+
+ public static interface RoutingMessageHandlerInterface {
+ /**
+ * Handle an incoming node_announcement message, returning true if it should be forwarded on,
+ * false or returning an Err otherwise.
+ */
+ Result_boolLightningErrorZ handle_node_announcement(NodeAnnouncement msg);
+ /**
+ * Handle a channel_announcement message, returning true if it should be forwarded on, false
+ * or returning an Err otherwise.
+ */
+ Result_boolLightningErrorZ handle_channel_announcement(ChannelAnnouncement msg);
+ /**
+ * Handle an incoming channel_update message, returning true if it should be forwarded on,
+ * false or returning an Err otherwise.
+ */
+ Result_boolLightningErrorZ handle_channel_update(ChannelUpdate msg);
+ /**
+ * Handle some updates to the route graph that we learned due to an outbound failed payment.
+ */
+ void handle_htlc_fail_channel_update(HTLCFailChannelUpdate update);
+ /**
+ * Gets a subset of the channel announcements and updates required to dump our routing table
+ * to a remote node, starting at the short_channel_id indicated by starting_point and
+ * including the batch_amount entries immediately higher in numerical value than starting_point.
+ */
+ ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] get_next_channel_announcements(long starting_point, byte batch_amount);
+ /**
+ * Gets a subset of the node announcements required to dump our routing table to a remote node,
+ * starting at the node *after* the provided publickey and including batch_amount entries
+ * immediately higher (as defined by <PublicKey as Ord>::cmp) than starting_point.
+ * If None is provided for starting_point, we start at the first node.
+ */
+ NodeAnnouncement[] get_next_node_announcements(byte[] starting_point, byte batch_amount);
+ /**
+ * Called when a connection is established with a peer. This can be used to
+ * perform routing table synchronization using a strategy defined by the
+ * implementor.
+ */
+ void sync_routing_table(byte[] their_node_id, Init init);
+ /**
+ * Handles the reply of a query we initiated to learn about channels
+ * for a given range of blocks. We can expect to receive one or more
+ * replies to a single query.
+ */
+ Result_NoneLightningErrorZ handle_reply_channel_range(byte[] their_node_id, ReplyChannelRange msg);
+ /**
+ * Handles the reply of a query we initiated asking for routing gossip
+ * messages for a list of channels. We should receive this message when
+ * a node has completed its best effort to send us the pertaining routing
+ * gossip messages.
+ */
+ Result_NoneLightningErrorZ handle_reply_short_channel_ids_end(byte[] their_node_id, ReplyShortChannelIdsEnd msg);
+ /**
+ * Handles when a peer asks us to send a list of short_channel_ids
+ * for the requested range of blocks.
+ */
+ Result_NoneLightningErrorZ handle_query_channel_range(byte[] their_node_id, QueryChannelRange msg);
+ /**
+ * Handles when a peer asks us to send routing gossip messages for a
+ * list of short_channel_ids.
+ */
+ Result_NoneLightningErrorZ handle_query_short_channel_ids(byte[] their_node_id, QueryShortChannelIds msg);
+ }
+ private static class LDKRoutingMessageHandlerHolder { RoutingMessageHandler held; }
+ public static RoutingMessageHandler new_impl(RoutingMessageHandlerInterface arg, MessageSendEventsProvider.MessageSendEventsProviderInterface MessageSendEventsProvider_impl) {
+ final LDKRoutingMessageHandlerHolder impl_holder = new LDKRoutingMessageHandlerHolder();
+ impl_holder.held = new RoutingMessageHandler(new bindings.LDKRoutingMessageHandler() {
+ @Override public long handle_node_announcement(long msg) {
+ NodeAnnouncement msg_hu_conv = new NodeAnnouncement(null, msg);
+ Result_boolLightningErrorZ ret = arg.handle_node_announcement(msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ @Override public long handle_channel_announcement(long msg) {
+ ChannelAnnouncement msg_hu_conv = new ChannelAnnouncement(null, msg);
+ Result_boolLightningErrorZ ret = arg.handle_channel_announcement(msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ @Override public long handle_channel_update(long msg) {
+ ChannelUpdate msg_hu_conv = new ChannelUpdate(null, msg);
+ Result_boolLightningErrorZ ret = arg.handle_channel_update(msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ @Override public void handle_htlc_fail_channel_update(long update) {
+ HTLCFailChannelUpdate update_hu_conv = HTLCFailChannelUpdate.constr_from_ptr(update);
+ arg.handle_htlc_fail_channel_update(update_hu_conv);
+ }
+ @Override public long[] get_next_channel_announcements(long starting_point, byte batch_amount) {
+ ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] ret = arg.get_next_channel_announcements(starting_point, batch_amount);
+ long[] result = Arrays.stream(ret).mapToLong(ret_conv_63 -> bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(ret_conv_63.a == null ? 0 : ret_conv_63.a.ptr & ~1, ret_conv_63.b == null ? 0 : ret_conv_63.b.ptr & ~1, ret_conv_63.c == null ? 0 : ret_conv_63.c.ptr & ~1)).toArray();
+ /* TODO 2 ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate> */;
+ return result;
+ }
+ @Override public long[] get_next_node_announcements(byte[] starting_point, byte batch_amount) {
+ NodeAnnouncement[] ret = arg.get_next_node_announcements(starting_point, batch_amount);
+ long[] result = Arrays.stream(ret).mapToLong(ret_conv_18 -> ret_conv_18 == null ? 0 : ret_conv_18.ptr & ~1).toArray();
+ /* TODO 2 NodeAnnouncement */;
+ return result;
+ }
+ @Override public void sync_routing_table(byte[] their_node_id, long init) {
+ Init init_hu_conv = new Init(null, init);
+ arg.sync_routing_table(their_node_id, init_hu_conv);
+ }
+ @Override public long handle_reply_channel_range(byte[] their_node_id, long msg) {
+ ReplyChannelRange msg_hu_conv = new ReplyChannelRange(null, msg);
+ msg_hu_conv.ptrs_to.add(this);
+ Result_NoneLightningErrorZ ret = arg.handle_reply_channel_range(their_node_id, msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ @Override public long handle_reply_short_channel_ids_end(byte[] their_node_id, long msg) {
+ ReplyShortChannelIdsEnd msg_hu_conv = new ReplyShortChannelIdsEnd(null, msg);
+ msg_hu_conv.ptrs_to.add(this);
+ Result_NoneLightningErrorZ ret = arg.handle_reply_short_channel_ids_end(their_node_id, msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ @Override public long handle_query_channel_range(byte[] their_node_id, long msg) {
+ QueryChannelRange msg_hu_conv = new QueryChannelRange(null, msg);
+ msg_hu_conv.ptrs_to.add(this);
+ Result_NoneLightningErrorZ ret = arg.handle_query_channel_range(their_node_id, msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ @Override public long handle_query_short_channel_ids(byte[] their_node_id, long msg) {
+ QueryShortChannelIds msg_hu_conv = new QueryShortChannelIds(null, msg);
+ msg_hu_conv.ptrs_to.add(this);
+ Result_NoneLightningErrorZ ret = arg.handle_query_short_channel_ids(their_node_id, msg_hu_conv);
+ long result = ret != null ? ret.ptr : 0;
+ return result;
+ }
+ }, MessageSendEventsProvider.new_impl(MessageSendEventsProvider_impl).bindings_instance);
+ return impl_holder.held;
+ }
+ /**
+ * Handle an incoming node_announcement message, returning true if it should be forwarded on,
+ * false or returning an Err otherwise.
+ */
+ public Result_boolLightningErrorZ handle_node_announcement(NodeAnnouncement msg) {
+ long ret = bindings.RoutingMessageHandler_handle_node_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+ Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Handle a channel_announcement message, returning true if it should be forwarded on, false
+ * or returning an Err otherwise.
+ */
+ public Result_boolLightningErrorZ handle_channel_announcement(ChannelAnnouncement msg) {
+ long ret = bindings.RoutingMessageHandler_handle_channel_announcement(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+ Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Handle an incoming channel_update message, returning true if it should be forwarded on,
+ * false or returning an Err otherwise.
+ */
+ public Result_boolLightningErrorZ handle_channel_update(ChannelUpdate msg) {
+ long ret = bindings.RoutingMessageHandler_handle_channel_update(this.ptr, msg == null ? 0 : msg.ptr & ~1);
+ Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Handle some updates to the route graph that we learned due to an outbound failed payment.
+ */
+ public void handle_htlc_fail_channel_update(HTLCFailChannelUpdate update) {
+ bindings.RoutingMessageHandler_handle_htlc_fail_channel_update(this.ptr, update == null ? 0 : update.ptr & ~1);
+ this.ptrs_to.add(update);
+ }
+
+ /**
+ * Gets a subset of the channel announcements and updates required to dump our routing table
+ * to a remote node, starting at the short_channel_id indicated by starting_point and
+ * including the batch_amount entries immediately higher in numerical value than starting_point.
+ */
+ public ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] get_next_channel_announcements(long starting_point, byte batch_amount) {
+ long[] ret = bindings.RoutingMessageHandler_get_next_channel_announcements(this.ptr, starting_point, batch_amount);
+ ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] ret_conv_63_arr = new ThreeTuple[ret.length];
+ for (int l = 0; l < ret.length; l++) {
+ long ret_conv_63 = ret[l];
+ long ret_conv_63_a = bindings.LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(ret_conv_63);
+ ChannelAnnouncement ret_conv_63_a_hu_conv = new ChannelAnnouncement(null, ret_conv_63_a);
+ ret_conv_63_a_hu_conv.ptrs_to.add(this);;
+ long ret_conv_63_b = bindings.LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_b(ret_conv_63);
+ ChannelUpdate ret_conv_63_b_hu_conv = new ChannelUpdate(null, ret_conv_63_b);
+ ret_conv_63_b_hu_conv.ptrs_to.add(this);;
+ long ret_conv_63_c = bindings.LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_c(ret_conv_63);
+ ChannelUpdate ret_conv_63_c_hu_conv = new ChannelUpdate(null, ret_conv_63_c);
+ ret_conv_63_c_hu_conv.ptrs_to.add(this);;
+ ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate> ret_conv_63_conv = new ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>(ret_conv_63_a_hu_conv, ret_conv_63_b_hu_conv, ret_conv_63_c_hu_conv, () -> {
+ bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free(ret_conv_63);
+ });
+ ret_conv_63_a_hu_conv.ptrs_to.add(ret_conv_63_conv);
+ ret_conv_63_b_hu_conv.ptrs_to.add(ret_conv_63_conv);
+ ret_conv_63_c_hu_conv.ptrs_to.add(ret_conv_63_conv);
+ ret_conv_63_arr[l] = ret_conv_63_conv;
+ }
+ return ret_conv_63_arr;
+ }
+
+ /**
+ * Gets a subset of the node announcements required to dump our routing table to a remote node,
+ * starting at the node *after* the provided publickey and including batch_amount entries
+ * immediately higher (as defined by <PublicKey as Ord>::cmp) than starting_point.
+ * If None is provided for starting_point, we start at the first node.
+ */
+ public NodeAnnouncement[] get_next_node_announcements(byte[] starting_point, byte batch_amount) {
+ long[] ret = bindings.RoutingMessageHandler_get_next_node_announcements(this.ptr, starting_point, batch_amount);
+ NodeAnnouncement[] ret_conv_18_arr = new NodeAnnouncement[ret.length];
+ for (int s = 0; s < ret.length; s++) {
+ long ret_conv_18 = ret[s];
+ NodeAnnouncement ret_conv_18_hu_conv = new NodeAnnouncement(null, ret_conv_18);
+ ret_conv_18_hu_conv.ptrs_to.add(this);
+ ret_conv_18_arr[s] = ret_conv_18_hu_conv;
+ }
+ return ret_conv_18_arr;
+ }
+
+ /**
+ * Called when a connection is established with a peer. This can be used to
+ * perform routing table synchronization using a strategy defined by the
+ * implementor.
+ */
+ public void sync_routing_table(byte[] their_node_id, Init init) {
+ bindings.RoutingMessageHandler_sync_routing_table(this.ptr, their_node_id, init == null ? 0 : init.ptr & ~1);
+ this.ptrs_to.add(init);
+ }
+
+ /**
+ * Handles the reply of a query we initiated to learn about channels
+ * for a given range of blocks. We can expect to receive one or more
+ * replies to a single query.
+ */
+ public Result_NoneLightningErrorZ handle_reply_channel_range(byte[] their_node_id, ReplyChannelRange msg) {
+ long ret = bindings.RoutingMessageHandler_handle_reply_channel_range(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+ Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Handles the reply of a query we initiated asking for routing gossip
+ * messages for a list of channels. We should receive this message when
+ * a node has completed its best effort to send us the pertaining routing
+ * gossip messages.
+ */
+ public Result_NoneLightningErrorZ handle_reply_short_channel_ids_end(byte[] their_node_id, ReplyShortChannelIdsEnd msg) {
+ long ret = bindings.RoutingMessageHandler_handle_reply_short_channel_ids_end(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+ Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Handles when a peer asks us to send a list of short_channel_ids
+ * for the requested range of blocks.
+ */
+ public Result_NoneLightningErrorZ handle_query_channel_range(byte[] their_node_id, QueryChannelRange msg) {
+ long ret = bindings.RoutingMessageHandler_handle_query_channel_range(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+ Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Handles when a peer asks us to send routing gossip messages for a
+ * list of short_channel_ids.
+ */
+ public Result_NoneLightningErrorZ handle_query_short_channel_ids(byte[] their_node_id, QueryShortChannelIds msg) {
+ long ret = bindings.RoutingMessageHandler_handle_query_short_channel_ids(this.ptr, their_node_id, msg == null ? 0 : msg.ptr & ~1);
+ Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
+ this.ptrs_to.add(msg);
+ return ret_hu_conv;
}
}
projects / ldk-java / blobdiff