_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/RoutingMessageHandler.cs

   1
   2 using org.ldk.impl;
   3 using org.ldk.enums;
   4 using org.ldk.util;
   5 using System;
   6
   7 namespace org { namespace ldk { namespace structs {
   8
   9
  10
  11 /** An implementation of RoutingMessageHandler */
  12 public interface RoutingMessageHandlerInterface {
  13         /**Handle an incoming `node_announcement` message, returning `true` if it should be forwarded on,
  14          * `false` or returning an `Err` otherwise.
  15          */
  16         Result_boolLightningErrorZ handle_node_announcement(NodeAnnouncement msg);
  17         /**Handle a `channel_announcement` message, returning `true` if it should be forwarded on, `false`
  18          * or returning an `Err` otherwise.
  19          */
  20         Result_boolLightningErrorZ handle_channel_announcement(ChannelAnnouncement msg);
  21         /**Handle an incoming `channel_update` message, returning true if it should be forwarded on,
  22          * `false` or returning an `Err` otherwise.
  23          */
  24         Result_boolLightningErrorZ handle_channel_update(ChannelUpdate msg);
  25         /**Gets channel announcements and updates required to dump our routing table to a remote node,
  26          * starting at the `short_channel_id` indicated by `starting_point` and including announcements
  27          * for a single channel.
  28          */
  29         Option_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ get_next_channel_announcement(long starting_point);
  30         /**Gets a node announcement required to dump our routing table to a remote node, starting at
  31          * the node *after* the provided pubkey and including up to one announcement immediately
  32          * higher (as defined by `<PublicKey as Ord>::cmp`) than `starting_point`.
  33          * If `None` is provided for `starting_point`, we start at the first node.
  34          *
  35          * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None
  36          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
  37          */
  38         NodeAnnouncement get_next_node_announcement(NodeId starting_point);
  39         /**Called when a connection is established with a peer. This can be used to
  40          * perform routing table synchronization using a strategy defined by the
  41          * implementor.
  42          *
  43          * May return an `Err(())` if the features the peer supports are not sufficient to communicate
  44          * with us. Implementors should be somewhat conservative about doing so, however, as other
  45          * message handlers may still wish to communicate with this peer.
  46          */
  47         Result_NoneNoneZ peer_connected(byte[] their_node_id, Init init, bool inbound);
  48         /**Handles the reply of a query we initiated to learn about channels
  49          * for a given range of blocks. We can expect to receive one or more
  50          * replies to a single query.
  51          */
  52         Result_NoneLightningErrorZ handle_reply_channel_range(byte[] their_node_id, ReplyChannelRange msg);
  53         /**Handles the reply of a query we initiated asking for routing gossip
  54          * messages for a list of channels. We should receive this message when
  55          * a node has completed its best effort to send us the pertaining routing
  56          * gossip messages.
  57          */
  58         Result_NoneLightningErrorZ handle_reply_short_channel_ids_end(byte[] their_node_id, ReplyShortChannelIdsEnd msg);
  59         /**Handles when a peer asks us to send a list of `short_channel_id`s
  60          * for the requested range of blocks.
  61          */
  62         Result_NoneLightningErrorZ handle_query_channel_range(byte[] their_node_id, QueryChannelRange msg);
  63         /**Handles when a peer asks us to send routing gossip messages for a
  64          * list of `short_channel_id`s.
  65          */
  66         Result_NoneLightningErrorZ handle_query_short_channel_ids(byte[] their_node_id, QueryShortChannelIds msg);
  67         /**Indicates that there are a large number of [`ChannelAnnouncement`] (or other) messages
  68          * pending some async action. While there is no guarantee of the rate of future messages, the
  69          * caller should seek to reduce the rate of new gossip messages handled, especially
  70          * [`ChannelAnnouncement`]s.
  71          */
  72         bool processing_queue_high();
  73         /**Gets the node feature flags which this handler itself supports. All available handlers are
  74          * queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
  75          * which are broadcasted in our [`NodeAnnouncement`] message.
  76          */
  77         NodeFeatures provided_node_features();
  78         /**Gets the init feature flags which should be sent to the given peer. All available handlers
  79          * are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
  80          * which are sent in our [`Init`] message.
  81          *
  82          * Note that this method is called before [`Self::peer_connected`].
  83          */
  84         InitFeatures provided_init_features(byte[] their_node_id);
  85 }
  86
  87 /**
  88  * A trait to describe an object which can receive routing messages.
  89  *
  90  * # Implementor DoS Warnings
  91  *
  92  * For messages enabled with the `gossip_queries` feature there are potential DoS vectors when
  93  * handling inbound queries. Implementors using an on-disk network graph should be aware of
  94  * repeated disk I/O for queries accessing different parts of the network graph.
  95  */
  96 public class RoutingMessageHandler : CommonBase {
  97         internal bindings.LDKRoutingMessageHandler bindings_instance;
  98         internal long instance_idx;
  99
 100         internal RoutingMessageHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
 101         ~RoutingMessageHandler() {
 102                 if (ptr != 0) { bindings.RoutingMessageHandler_free(ptr); }
 103         }
 104
 105         private class LDKRoutingMessageHandlerHolder { internal RoutingMessageHandler held; }
 106         private class LDKRoutingMessageHandlerImpl : bindings.LDKRoutingMessageHandler {
 107                 internal LDKRoutingMessageHandlerImpl(RoutingMessageHandlerInterface arg, LDKRoutingMessageHandlerHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
 108                 private RoutingMessageHandlerInterface arg;
 109                 private LDKRoutingMessageHandlerHolder impl_holder;
 110                 public long handle_node_announcement(long _msg) {
 111                         org.ldk.structs.NodeAnnouncement _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.NodeAnnouncement(null, _msg); }
 112                         Result_boolLightningErrorZ ret = arg.handle_node_announcement(_msg_hu_conv);
 113                                 GC.KeepAlive(arg);
 114                         long result = ret == null ? 0 : ret.clone_ptr();
 115                         return result;
 116                 }
 117                 public long handle_channel_announcement(long _msg) {
 118                         org.ldk.structs.ChannelAnnouncement _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ChannelAnnouncement(null, _msg); }
 119                         Result_boolLightningErrorZ ret = arg.handle_channel_announcement(_msg_hu_conv);
 120                                 GC.KeepAlive(arg);
 121                         long result = ret == null ? 0 : ret.clone_ptr();
 122                         return result;
 123                 }
 124                 public long handle_channel_update(long _msg) {
 125                         org.ldk.structs.ChannelUpdate _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ChannelUpdate(null, _msg); }
 126                         Result_boolLightningErrorZ ret = arg.handle_channel_update(_msg_hu_conv);
 127                                 GC.KeepAlive(arg);
 128                         long result = ret == null ? 0 : ret.clone_ptr();
 129                         return result;
 130                 }
 131                 public long get_next_channel_announcement(long _starting_point) {
 132                         Option_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ ret = arg.get_next_channel_announcement(_starting_point);
 133                                 GC.KeepAlive(arg);
 134                         long result = ret == null ? 0 : ret.clone_ptr();
 135                         if (impl_holder.held != null) { impl_holder.held.ptrs_to.AddLast(ret); };
 136                         return result;
 137                 }
 138                 public long get_next_node_announcement(long _starting_point) {
 139                         org.ldk.structs.NodeId _starting_point_hu_conv = null; if (_starting_point < 0 || _starting_point > 4096) { _starting_point_hu_conv = new org.ldk.structs.NodeId(null, _starting_point); }
 140                         if (_starting_point_hu_conv != null) { _starting_point_hu_conv.ptrs_to.AddLast(this); };
 141                         NodeAnnouncement ret = arg.get_next_node_announcement(_starting_point_hu_conv);
 142                                 GC.KeepAlive(arg);
 143                         long result = ret == null ? 0 : ret.clone_ptr();
 144                         return result;
 145                 }
 146                 public long peer_connected(long _their_node_id, long _init, bool _inbound) {
 147                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 148                         org.ldk.structs.Init _init_hu_conv = null; if (_init < 0 || _init > 4096) { _init_hu_conv = new org.ldk.structs.Init(null, _init); }
 149                         Result_NoneNoneZ ret = arg.peer_connected(_their_node_id_conv, _init_hu_conv, _inbound);
 150                                 GC.KeepAlive(arg);
 151                         long result = ret == null ? 0 : ret.clone_ptr();
 152                         return result;
 153                 }
 154                 public long handle_reply_channel_range(long _their_node_id, long _msg) {
 155                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 156                         org.ldk.structs.ReplyChannelRange _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ReplyChannelRange(null, _msg); }
 157                         if (_msg_hu_conv != null) { _msg_hu_conv.ptrs_to.AddLast(this); };
 158                         Result_NoneLightningErrorZ ret = arg.handle_reply_channel_range(_their_node_id_conv, _msg_hu_conv);
 159                                 GC.KeepAlive(arg);
 160                         long result = ret == null ? 0 : ret.clone_ptr();
 161                         return result;
 162                 }
 163                 public long handle_reply_short_channel_ids_end(long _their_node_id, long _msg) {
 164                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 165                         org.ldk.structs.ReplyShortChannelIdsEnd _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.ReplyShortChannelIdsEnd(null, _msg); }
 166                         if (_msg_hu_conv != null) { _msg_hu_conv.ptrs_to.AddLast(this); };
 167                         Result_NoneLightningErrorZ ret = arg.handle_reply_short_channel_ids_end(_their_node_id_conv, _msg_hu_conv);
 168                                 GC.KeepAlive(arg);
 169                         long result = ret == null ? 0 : ret.clone_ptr();
 170                         return result;
 171                 }
 172                 public long handle_query_channel_range(long _their_node_id, long _msg) {
 173                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 174                         org.ldk.structs.QueryChannelRange _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.QueryChannelRange(null, _msg); }
 175                         if (_msg_hu_conv != null) { _msg_hu_conv.ptrs_to.AddLast(this); };
 176                         Result_NoneLightningErrorZ ret = arg.handle_query_channel_range(_their_node_id_conv, _msg_hu_conv);
 177                                 GC.KeepAlive(arg);
 178                         long result = ret == null ? 0 : ret.clone_ptr();
 179                         return result;
 180                 }
 181                 public long handle_query_short_channel_ids(long _their_node_id, long _msg) {
 182                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 183                         org.ldk.structs.QueryShortChannelIds _msg_hu_conv = null; if (_msg < 0 || _msg > 4096) { _msg_hu_conv = new org.ldk.structs.QueryShortChannelIds(null, _msg); }
 184                         if (_msg_hu_conv != null) { _msg_hu_conv.ptrs_to.AddLast(this); };
 185                         Result_NoneLightningErrorZ ret = arg.handle_query_short_channel_ids(_their_node_id_conv, _msg_hu_conv);
 186                                 GC.KeepAlive(arg);
 187                         long result = ret == null ? 0 : ret.clone_ptr();
 188                         return result;
 189                 }
 190                 public bool processing_queue_high() {
 191                         bool ret = arg.processing_queue_high();
 192                                 GC.KeepAlive(arg);
 193                         return ret;
 194                 }
 195                 public long provided_node_features() {
 196                         NodeFeatures ret = arg.provided_node_features();
 197                                 GC.KeepAlive(arg);
 198                         long result = ret == null ? 0 : ret.clone_ptr();
 199                         return result;
 200                 }
 201                 public long provided_init_features(long _their_node_id) {
 202                         byte[] _their_node_id_conv = InternalUtils.decodeUint8Array(_their_node_id);
 203                         InitFeatures ret = arg.provided_init_features(_their_node_id_conv);
 204                                 GC.KeepAlive(arg);
 205                         long result = ret == null ? 0 : ret.clone_ptr();
 206                         return result;
 207                 }
 208         }
 209
 210         /** Creates a new instance of RoutingMessageHandler from a given implementation */
 211         public static RoutingMessageHandler new_impl(RoutingMessageHandlerInterface arg, MessageSendEventsProviderInterface messageSendEventsProvider_impl) {
 212                 LDKRoutingMessageHandlerHolder impl_holder = new LDKRoutingMessageHandlerHolder();
 213                 LDKRoutingMessageHandlerImpl impl = new LDKRoutingMessageHandlerImpl(arg, impl_holder);
 214                 MessageSendEventsProvider messageSendEventsProvider = MessageSendEventsProvider.new_impl(messageSendEventsProvider_impl);
 215                 long[] ptr_idx = bindings.LDKRoutingMessageHandler_new(impl, messageSendEventsProvider.instance_idx);
 216
 217                 impl_holder.held = new RoutingMessageHandler(null, ptr_idx[0]);
 218                 impl_holder.held.instance_idx = ptr_idx[1];
 219                 impl_holder.held.bindings_instance = impl;
 220                 impl_holder.held.ptrs_to.AddLast(messageSendEventsProvider);
 221                 return impl_holder.held;
 222         }
 223
 224         /**
 225          * Handle an incoming `node_announcement` message, returning `true` if it should be forwarded on,
 226          * `false` or returning an `Err` otherwise.
 227          */
 228         public Result_boolLightningErrorZ handle_node_announcement(org.ldk.structs.NodeAnnouncement msg) {
 229                 long ret = bindings.RoutingMessageHandler_handle_node_announcement(this.ptr, msg == null ? 0 : msg.ptr);
 230                 GC.KeepAlive(this);
 231                 GC.KeepAlive(msg);
 232                 if (ret >= 0 && ret <= 4096) { return null; }
 233                 Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 234                 if (this != null) { this.ptrs_to.AddLast(msg); };
 235                 return ret_hu_conv;
 236         }
 237
 238         /**
 239          * Handle a `channel_announcement` message, returning `true` if it should be forwarded on, `false`
 240          * or returning an `Err` otherwise.
 241          */
 242         public Result_boolLightningErrorZ handle_channel_announcement(org.ldk.structs.ChannelAnnouncement msg) {
 243                 long ret = bindings.RoutingMessageHandler_handle_channel_announcement(this.ptr, msg == null ? 0 : msg.ptr);
 244                 GC.KeepAlive(this);
 245                 GC.KeepAlive(msg);
 246                 if (ret >= 0 && ret <= 4096) { return null; }
 247                 Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 248                 if (this != null) { this.ptrs_to.AddLast(msg); };
 249                 return ret_hu_conv;
 250         }
 251
 252         /**
 253          * Handle an incoming `channel_update` message, returning true if it should be forwarded on,
 254          * `false` or returning an `Err` otherwise.
 255          */
 256         public Result_boolLightningErrorZ handle_channel_update(org.ldk.structs.ChannelUpdate msg) {
 257                 long ret = bindings.RoutingMessageHandler_handle_channel_update(this.ptr, msg == null ? 0 : msg.ptr);
 258                 GC.KeepAlive(this);
 259                 GC.KeepAlive(msg);
 260                 if (ret >= 0 && ret <= 4096) { return null; }
 261                 Result_boolLightningErrorZ ret_hu_conv = Result_boolLightningErrorZ.constr_from_ptr(ret);
 262                 if (this != null) { this.ptrs_to.AddLast(msg); };
 263                 return ret_hu_conv;
 264         }
 265
 266         /**
 267          * Gets channel announcements and updates required to dump our routing table to a remote node,
 268          * starting at the `short_channel_id` indicated by `starting_point` and including announcements
 269          * for a single channel.
 270          */
 271         public Option_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ get_next_channel_announcement(long starting_point) {
 272                 long ret = bindings.RoutingMessageHandler_get_next_channel_announcement(this.ptr, starting_point);
 273                 GC.KeepAlive(this);
 274                 GC.KeepAlive(starting_point);
 275                 if (ret >= 0 && ret <= 4096) { return null; }
 276                 org.ldk.structs.Option_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ ret_hu_conv = org.ldk.structs.Option_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ.constr_from_ptr(ret);
 277                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 278                 return ret_hu_conv;
 279         }
 280
 281         /**
 282          * Gets a node announcement required to dump our routing table to a remote node, starting at
 283          * the node *after* the provided pubkey and including up to one announcement immediately
 284          * higher (as defined by `<PublicKey as Ord>::cmp`) than `starting_point`.
 285          * If `None` is provided for `starting_point`, we start at the first node.
 286          *
 287          * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None
 288          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 289          */
 290         public NodeAnnouncement get_next_node_announcement(org.ldk.structs.NodeId starting_point) {
 291                 long ret = bindings.RoutingMessageHandler_get_next_node_announcement(this.ptr, starting_point == null ? 0 : starting_point.ptr);
 292                 GC.KeepAlive(this);
 293                 GC.KeepAlive(starting_point);
 294                 if (ret >= 0 && ret <= 4096) { return null; }
 295                 org.ldk.structs.NodeAnnouncement ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.NodeAnnouncement(null, ret); }
 296                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 297                 if (this != null) { this.ptrs_to.AddLast(starting_point); };
 298                 return ret_hu_conv;
 299         }
 300
 301         /**
 302          * Called when a connection is established with a peer. This can be used to
 303          * perform routing table synchronization using a strategy defined by the
 304          * implementor.
 305          *
 306          * May return an `Err(())` if the features the peer supports are not sufficient to communicate
 307          * with us. Implementors should be somewhat conservative about doing so, however, as other
 308          * message handlers may still wish to communicate with this peer.
 309          */
 310         public Result_NoneNoneZ peer_connected(byte[] their_node_id, org.ldk.structs.Init init, bool inbound) {
 311                 long ret = bindings.RoutingMessageHandler_peer_connected(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), init == null ? 0 : init.ptr, inbound);
 312                 GC.KeepAlive(this);
 313                 GC.KeepAlive(their_node_id);
 314                 GC.KeepAlive(init);
 315                 GC.KeepAlive(inbound);
 316                 if (ret >= 0 && ret <= 4096) { return null; }
 317                 Result_NoneNoneZ ret_hu_conv = Result_NoneNoneZ.constr_from_ptr(ret);
 318                 if (this != null) { this.ptrs_to.AddLast(init); };
 319                 return ret_hu_conv;
 320         }
 321
 322         /**
 323          * Handles the reply of a query we initiated to learn about channels
 324          * for a given range of blocks. We can expect to receive one or more
 325          * replies to a single query.
 326          */
 327         public Result_NoneLightningErrorZ handle_reply_channel_range(byte[] their_node_id, org.ldk.structs.ReplyChannelRange msg) {
 328                 long ret = bindings.RoutingMessageHandler_handle_reply_channel_range(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 329                 GC.KeepAlive(this);
 330                 GC.KeepAlive(their_node_id);
 331                 GC.KeepAlive(msg);
 332                 if (ret >= 0 && ret <= 4096) { return null; }
 333                 Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 334                 if (this != null) { this.ptrs_to.AddLast(msg); };
 335                 return ret_hu_conv;
 336         }
 337
 338         /**
 339          * Handles the reply of a query we initiated asking for routing gossip
 340          * messages for a list of channels. We should receive this message when
 341          * a node has completed its best effort to send us the pertaining routing
 342          * gossip messages.
 343          */
 344         public Result_NoneLightningErrorZ handle_reply_short_channel_ids_end(byte[] their_node_id, org.ldk.structs.ReplyShortChannelIdsEnd msg) {
 345                 long ret = bindings.RoutingMessageHandler_handle_reply_short_channel_ids_end(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 346                 GC.KeepAlive(this);
 347                 GC.KeepAlive(their_node_id);
 348                 GC.KeepAlive(msg);
 349                 if (ret >= 0 && ret <= 4096) { return null; }
 350                 Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 351                 if (this != null) { this.ptrs_to.AddLast(msg); };
 352                 return ret_hu_conv;
 353         }
 354
 355         /**
 356          * Handles when a peer asks us to send a list of `short_channel_id`s
 357          * for the requested range of blocks.
 358          */
 359         public Result_NoneLightningErrorZ handle_query_channel_range(byte[] their_node_id, org.ldk.structs.QueryChannelRange msg) {
 360                 long ret = bindings.RoutingMessageHandler_handle_query_channel_range(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 361                 GC.KeepAlive(this);
 362                 GC.KeepAlive(their_node_id);
 363                 GC.KeepAlive(msg);
 364                 if (ret >= 0 && ret <= 4096) { return null; }
 365                 Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 366                 if (this != null) { this.ptrs_to.AddLast(msg); };
 367                 return ret_hu_conv;
 368         }
 369
 370         /**
 371          * Handles when a peer asks us to send routing gossip messages for a
 372          * list of `short_channel_id`s.
 373          */
 374         public Result_NoneLightningErrorZ handle_query_short_channel_ids(byte[] their_node_id, org.ldk.structs.QueryShortChannelIds msg) {
 375                 long ret = bindings.RoutingMessageHandler_handle_query_short_channel_ids(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)), msg == null ? 0 : msg.ptr);
 376                 GC.KeepAlive(this);
 377                 GC.KeepAlive(their_node_id);
 378                 GC.KeepAlive(msg);
 379                 if (ret >= 0 && ret <= 4096) { return null; }
 380                 Result_NoneLightningErrorZ ret_hu_conv = Result_NoneLightningErrorZ.constr_from_ptr(ret);
 381                 if (this != null) { this.ptrs_to.AddLast(msg); };
 382                 return ret_hu_conv;
 383         }
 384
 385         /**
 386          * Indicates that there are a large number of [`ChannelAnnouncement`] (or other) messages
 387          * pending some async action. While there is no guarantee of the rate of future messages, the
 388          * caller should seek to reduce the rate of new gossip messages handled, especially
 389          * [`ChannelAnnouncement`]s.
 390          */
 391         public bool processing_queue_high() {
 392                 bool ret = bindings.RoutingMessageHandler_processing_queue_high(this.ptr);
 393                 GC.KeepAlive(this);
 394                 return ret;
 395         }
 396
 397         /**
 398          * Gets the node feature flags which this handler itself supports. All available handlers are
 399          * queried similarly and their feature flags are OR'd together to form the [`NodeFeatures`]
 400          * which are broadcasted in our [`NodeAnnouncement`] message.
 401          */
 402         public NodeFeatures provided_node_features() {
 403                 long ret = bindings.RoutingMessageHandler_provided_node_features(this.ptr);
 404                 GC.KeepAlive(this);
 405                 if (ret >= 0 && ret <= 4096) { return null; }
 406                 org.ldk.structs.NodeFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.NodeFeatures(null, ret); }
 407                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 408                 return ret_hu_conv;
 409         }
 410
 411         /**
 412          * Gets the init feature flags which should be sent to the given peer. All available handlers
 413          * are queried similarly and their feature flags are OR'd together to form the [`InitFeatures`]
 414          * which are sent in our [`Init`] message.
 415          *
 416          * Note that this method is called before [`Self::peer_connected`].
 417          */
 418         public InitFeatures provided_init_features(byte[] their_node_id) {
 419                 long ret = bindings.RoutingMessageHandler_provided_init_features(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(their_node_id, 33)));
 420                 GC.KeepAlive(this);
 421                 GC.KeepAlive(their_node_id);
 422                 if (ret >= 0 && ret <= 4096) { return null; }
 423                 org.ldk.structs.InitFeatures ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.InitFeatures(null, ret); }
 424                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 425                 return ret_hu_conv;
 426         }
 427
 428 }
 429 } } }