_ 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  * Serves as an [`EventHandler`] for applying updates from [`Event::PaymentPathFailed`] to the
  19  * [`NetworkGraph`].
  20  */
  21 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  22 public class P2PGossipSync extends CommonBase {
  23         P2PGossipSync(Object _dummy, long ptr) { super(ptr); }
  24         @Override @SuppressWarnings("deprecation")
  25         protected void finalize() throws Throwable {
  26                 super.finalize();
  27                 if (ptr != 0) { bindings.P2PGossipSync_free(ptr); }
  28         }
  29
  30         /**
  31          * Creates a new tracker of the actual state of the network of channels and nodes,
  32          * assuming an existing Network Graph.
  33          * Chain monitor is used to make sure announced channels exist on-chain,
  34          * channel data is correct, and that the announcement is signed with
  35          * channel owners' keys.
  36          */
  37         public static P2PGossipSync of(NetworkGraph network_graph, Option_AccessZ chain_access, Logger logger) {
  38                 long ret = bindings.P2PGossipSync_new(network_graph == null ? 0 : network_graph.ptr & ~1, chain_access.ptr, logger == null ? 0 : logger.ptr);
  39                 Reference.reachabilityFence(network_graph);
  40                 Reference.reachabilityFence(chain_access);
  41                 Reference.reachabilityFence(logger);
  42                 if (ret >= 0 && ret <= 4096) { return null; }
  43                 org.ldk.structs.P2PGossipSync ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.P2PGossipSync(null, ret); }
  44                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
  45                 ret_hu_conv.ptrs_to.add(network_graph);
  46                 ret_hu_conv.ptrs_to.add(chain_access);
  47                 ret_hu_conv.ptrs_to.add(logger);
  48                 return ret_hu_conv;
  49         }
  50
  51         /**
  52          * Adds a provider used to check new announcements. Does not affect
  53          * existing announcements unless they are updated.
  54          * Add, update or remove the provider would replace the current one.
  55          */
  56         public void add_chain_access(Option_AccessZ chain_access) {
  57                 bindings.P2PGossipSync_add_chain_access(this.ptr, chain_access.ptr);
  58                 Reference.reachabilityFence(this);
  59                 Reference.reachabilityFence(chain_access);
  60                 this.ptrs_to.add(chain_access);
  61         }
  62
  63         /**
  64          * Constructs a new RoutingMessageHandler which calls the relevant methods on this_arg.
  65          * This copies the `inner` pointer in this_arg and thus the returned RoutingMessageHandler must be freed before this_arg is
  66          */
  67         public RoutingMessageHandler as_RoutingMessageHandler() {
  68                 long ret = bindings.P2PGossipSync_as_RoutingMessageHandler(this.ptr);
  69                 Reference.reachabilityFence(this);
  70                 if (ret >= 0 && ret <= 4096) { return null; }
  71                 RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
  72                 ret_hu_conv.ptrs_to.add(this);
  73                 return ret_hu_conv;
  74         }
  75
  76         /**
  77          * Constructs a new MessageSendEventsProvider which calls the relevant methods on this_arg.
  78          * This copies the `inner` pointer in this_arg and thus the returned MessageSendEventsProvider must be freed before this_arg is
  79          */
  80         public MessageSendEventsProvider as_MessageSendEventsProvider() {
  81                 long ret = bindings.P2PGossipSync_as_MessageSendEventsProvider(this.ptr);
  82                 Reference.reachabilityFence(this);
  83                 if (ret >= 0 && ret <= 4096) { return null; }
  84                 MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
  85                 ret_hu_conv.ptrs_to.add(this);
  86                 return ret_hu_conv;
  87         }
  88
  89 }