_ Git - ldk-java/blob - src/main/java/org/ldk/structs/P2PGossipSync.java

   1 package org.ldk.structs;
   2
   3 import org.ldk.impl.bindings;
   4 import org.ldk.enums.*;
   5 import org.ldk.util.*;
   6 import java.util.Arrays;
   7 import java.lang.ref.Reference;
   8 import javax.annotation.Nullable;
   9
  10
  11 /**
  12  * Receives and validates network updates from peers,
  13  * stores authentic and relevant data as a network graph.
  14  * This network graph is then used for routing payments.
  15  * Provides interface to help with initial routing sync by
  16  * serving historical announcements.
  17  */
  18 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  19 public class P2PGossipSync extends CommonBase {
  20         P2PGossipSync(Object _dummy, long ptr) { super(ptr); }
  21         @Override @SuppressWarnings("deprecation")
  22         protected void finalize() throws Throwable {
  23                 super.finalize();
  24                 if (ptr != 0) { bindings.P2PGossipSync_free(ptr); }
  25         }
  26
  27         /**
  28          * Creates a new tracker of the actual state of the network of channels and nodes,
  29          * assuming an existing [`NetworkGraph`].
  30          * UTXO lookup is used to make sure announced channels exist on-chain, channel data is
  31          * correct, and the announcement is signed with channel owners' keys.
  32          */
  33         public static P2PGossipSync of(org.ldk.structs.NetworkGraph network_graph, org.ldk.structs.Option_UtxoLookupZ utxo_lookup, org.ldk.structs.Logger logger) {
  34                 long ret = bindings.P2PGossipSync_new(network_graph == null ? 0 : network_graph.ptr, utxo_lookup.ptr, logger.ptr);
  35                 Reference.reachabilityFence(network_graph);
  36                 Reference.reachabilityFence(utxo_lookup);
  37                 Reference.reachabilityFence(logger);
  38                 if (ret >= 0 && ret <= 4096) { return null; }
  39                 org.ldk.structs.P2PGossipSync ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.P2PGossipSync(null, ret); }
  40                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(ret_hu_conv); };
  41                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(network_graph); };
  42                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(utxo_lookup); };
  43                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(logger); };
  44                 return ret_hu_conv;
  45         }
  46
  47         /**
  48          * Adds a provider used to check new announcements. Does not affect
  49          * existing announcements unless they are updated.
  50          * Add, update or remove the provider would replace the current one.
  51          */
  52         public void add_utxo_lookup(org.ldk.structs.Option_UtxoLookupZ utxo_lookup) {
  53                 bindings.P2PGossipSync_add_utxo_lookup(this.ptr, utxo_lookup.ptr);
  54                 Reference.reachabilityFence(this);
  55                 Reference.reachabilityFence(utxo_lookup);
  56                 if (this != null) { this.ptrs_to.add(utxo_lookup); };
  57         }
  58
  59         /**
  60          * Constructs a new RoutingMessageHandler which calls the relevant methods on this_arg.
  61          * This copies the `inner` pointer in this_arg and thus the returned RoutingMessageHandler must be freed before this_arg is
  62          */
  63         public RoutingMessageHandler as_RoutingMessageHandler() {
  64                 long ret = bindings.P2PGossipSync_as_RoutingMessageHandler(this.ptr);
  65                 Reference.reachabilityFence(this);
  66                 if (ret >= 0 && ret <= 4096) { return null; }
  67                 RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
  68                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
  69                 return ret_hu_conv;
  70         }
  71
  72         /**
  73          * Constructs a new MessageSendEventsProvider which calls the relevant methods on this_arg.
  74          * This copies the `inner` pointer in this_arg and thus the returned MessageSendEventsProvider must be freed before this_arg is
  75          */
  76         public MessageSendEventsProvider as_MessageSendEventsProvider() {
  77                 long ret = bindings.P2PGossipSync_as_MessageSendEventsProvider(this.ptr);
  78                 Reference.reachabilityFence(this);
  79                 if (ret >= 0 && ret <= 4096) { return null; }
  80                 MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
  81                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.add(this); };
  82                 return ret_hu_conv;
  83         }
  84
  85 }