import org.ldk.enums.*;
import org.ldk.util.*;
import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
+/**
+ * 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 {
final bindings.LDKRoutingMessageHandler bindings_instance;
}
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);
- void handle_htlc_fail_channel_update(HTLCFailChannelUpdate update);
- ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] get_next_channel_announcements(long starting_point, byte batch_amount);
+ /**
+ * 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_ChannelAnnouncementChannelUpdateChannelUpdateZ[] 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.
+ *
+ * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
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; }
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);
+ NodeAnnouncement msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new NodeAnnouncement(null, msg); }
Result_boolLightningErrorZ ret = arg.handle_node_announcement(msg_hu_conv);
- long result = ret != null ? ret.ptr : 0;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
return result;
}
@Override public long handle_channel_announcement(long msg) {
- ChannelAnnouncement msg_hu_conv = new ChannelAnnouncement(null, msg);
+ ChannelAnnouncement msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new ChannelAnnouncement(null, msg); }
Result_boolLightningErrorZ ret = arg.handle_channel_announcement(msg_hu_conv);
- long result = ret != null ? ret.ptr : 0;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
return result;
}
@Override public long handle_channel_update(long msg) {
- ChannelUpdate msg_hu_conv = new ChannelUpdate(null, msg);
+ ChannelUpdate msg_hu_conv = null; if (msg < 0 || msg > 4096) { msg_hu_conv = new ChannelUpdate(null, msg); }
Result_boolLightningErrorZ ret = arg.handle_channel_update(msg_hu_conv);
- long result = ret != null ? ret.ptr : 0;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
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(arr_conv_63 -> bindings.C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(arr_conv_63.a == null ? 0 : arr_conv_63.a.ptr & ~1, arr_conv_63.b == null ? 0 : arr_conv_63.b.ptr & ~1, arr_conv_63.c == null ? 0 : arr_conv_63.c.ptr & ~1)).toArray();
- /* TODO 2 ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate> */;
+ ThreeTuple_ChannelAnnouncementChannelUpdateChannelUpdateZ[] ret = arg.get_next_channel_announcements(starting_point, batch_amount);
+ Reference.reachabilityFence(arg);
+ long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_59 -> ret_conv_59 == null ? 0 : ret_conv_59.clone_ptr()).toArray() : null;
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(arr_conv_18 -> arr_conv_18 == null ? 0 : arr_conv_18.ptr & ~1).toArray();
- /* TODO 2 NodeAnnouncement */;
+ Reference.reachabilityFence(arg);
+ long[] result = ret != null ? Arrays.stream(ret).mapToLong(ret_conv_18 -> ret_conv_18 == null ? 0 : ret_conv_18.clone_ptr()).toArray() : null;
return result;
}
@Override public void sync_routing_table(byte[] their_node_id, long init) {
- Init init_hu_conv = new Init(null, init);
+ Init init_hu_conv = null; if (init < 0 || init > 4096) { init_hu_conv = new Init(null, init); }
arg.sync_routing_table(their_node_id, init_hu_conv);
+ Reference.reachabilityFence(arg);
}
@Override public long handle_reply_channel_range(byte[] their_node_id, long msg) {
- ReplyChannelRange msg_hu_conv = new ReplyChannelRange(null, msg);
+ ReplyChannelRange msg_hu_conv = null; if (msg < 0 || msg > 4096) { 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;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
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);
+ ReplyShortChannelIdsEnd msg_hu_conv = null; if (msg < 0 || msg > 4096) { 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;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
return result;
}
@Override public long handle_query_channel_range(byte[] their_node_id, long msg) {
- QueryChannelRange msg_hu_conv = new QueryChannelRange(null, msg);
+ QueryChannelRange msg_hu_conv = null; if (msg < 0 || msg > 4096) { 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;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
return result;
}
@Override public long handle_query_short_channel_ids(byte[] their_node_id, long msg) {
- QueryShortChannelIds msg_hu_conv = new QueryShortChannelIds(null, msg);
+ QueryShortChannelIds msg_hu_conv = null; if (msg < 0 || msg > 4096) { 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;
+ Reference.reachabilityFence(arg);
+ long result = ret == null ? 0 : ret.clone_ptr();
return result;
}
}, MessageSendEventsProvider.new_impl(MessageSendEventsProvider_impl).bindings_instance);
return impl_holder.held;
}
+
+ /**
+ * Gets the underlying MessageSendEventsProvider.
+ */
+ public MessageSendEventsProvider get_message_send_events_provider() {
+ MessageSendEventsProvider res = new MessageSendEventsProvider(null, bindings.LDKRoutingMessageHandler_get_MessageSendEventsProvider(this.ptr));
+ this.ptrs_to.add(res);
+ return res;
+ }
+
+ /**
+ * 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);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
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);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
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);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
this.ptrs_to.add(msg);
return ret_hu_conv;
}
- 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);
- }
-
- public ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>[] get_next_channel_announcements(long starting_point, byte batch_amount) {
+ /**
+ * 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_ChannelAnnouncementChannelUpdateChannelUpdateZ[] 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>[] arr_conv_63_arr = new ThreeTuple[ret.length];
- for (int l = 0; l < ret.length; l++) {
- long arr_conv_63 = ret[l];
- long arr_conv_63_a = bindings.LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_a(arr_conv_63);
- ChannelAnnouncement arr_conv_63_a_hu_conv = new ChannelAnnouncement(null, arr_conv_63_a);
- arr_conv_63_a_hu_conv.ptrs_to.add(this);;
- long arr_conv_63_b = bindings.LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_b(arr_conv_63);
- ChannelUpdate arr_conv_63_b_hu_conv = new ChannelUpdate(null, arr_conv_63_b);
- arr_conv_63_b_hu_conv.ptrs_to.add(this);;
- long arr_conv_63_c = bindings.LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_get_c(arr_conv_63);
- ChannelUpdate arr_conv_63_c_hu_conv = new ChannelUpdate(null, arr_conv_63_c);
- arr_conv_63_c_hu_conv.ptrs_to.add(this);;
- ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate> arr_conv_63_conv = new ThreeTuple<ChannelAnnouncement, ChannelUpdate, ChannelUpdate>(arr_conv_63_a_hu_conv, arr_conv_63_b_hu_conv, arr_conv_63_c_hu_conv);
- arr_conv_63_arr[l] = arr_conv_63_conv;
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(starting_point);
+ Reference.reachabilityFence(batch_amount);
+ int ret_conv_59_len = ret.length;
+ ThreeTuple_ChannelAnnouncementChannelUpdateChannelUpdateZ[] ret_conv_59_arr = new ThreeTuple_ChannelAnnouncementChannelUpdateChannelUpdateZ[ret_conv_59_len];
+ for (int h = 0; h < ret_conv_59_len; h++) {
+ long ret_conv_59 = ret[h];
+ ThreeTuple_ChannelAnnouncementChannelUpdateChannelUpdateZ ret_conv_59_hu_conv = new ThreeTuple_ChannelAnnouncementChannelUpdateChannelUpdateZ(null, ret_conv_59);
+ ret_conv_59_hu_conv.ptrs_to.add(this);
+ ret_conv_59_arr[h] = ret_conv_59_hu_conv;
}
- return arr_conv_63_arr;
+ return ret_conv_59_arr;
}
- 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[] arr_conv_18_arr = new NodeAnnouncement[ret.length];
- for (int s = 0; s < ret.length; s++) {
- long arr_conv_18 = ret[s];
- NodeAnnouncement arr_conv_18_hu_conv = new NodeAnnouncement(null, arr_conv_18);
- arr_conv_18_hu_conv.ptrs_to.add(this);
- arr_conv_18_arr[s] = arr_conv_18_hu_conv;
+ /**
+ * 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.
+ *
+ * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ public NodeAnnouncement[] get_next_node_announcements(@Nullable byte[] starting_point, byte batch_amount) {
+ long[] ret = bindings.RoutingMessageHandler_get_next_node_announcements(this.ptr, InternalUtils.check_arr_len(starting_point, 33), batch_amount);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(starting_point);
+ Reference.reachabilityFence(batch_amount);
+ int ret_conv_18_len = ret.length;
+ NodeAnnouncement[] ret_conv_18_arr = new NodeAnnouncement[ret_conv_18_len];
+ for (int s = 0; s < ret_conv_18_len; s++) {
+ long ret_conv_18 = ret[s];
+ NodeAnnouncement ret_conv_18_hu_conv = null; if (ret_conv_18 < 0 || ret_conv_18 > 4096) { 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 arr_conv_18_arr;
+ 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);
+ bindings.RoutingMessageHandler_sync_routing_table(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), init == null ? 0 : init.ptr & ~1);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(init);
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);
+ long ret = bindings.RoutingMessageHandler_handle_reply_channel_range(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
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);
+ long ret = bindings.RoutingMessageHandler_handle_reply_short_channel_ids_end(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
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);
+ long ret = bindings.RoutingMessageHandler_handle_query_channel_range(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
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);
+ long ret = bindings.RoutingMessageHandler_handle_query_short_channel_ids(this.ptr, InternalUtils.check_arr_len(their_node_id, 33), msg == null ? 0 : msg.ptr & ~1);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(their_node_id);
+ Reference.reachabilityFence(msg);
+ if (ret >= 0 && ret <= 4096) { return null; }
Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
- this.ptrs_to.add(msg);
return ret_hu_conv;
}