_ Git - ldk-java/blob - src/main/java/org/ldk/structs/NetGraphMsgHandler.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 javax.annotation.Nullable;
   8
   9
  10 /**
  11  * Receives and validates network updates from peers,
  12  * stores authentic and relevant data as a network graph.
  13  * This network graph is then used for routing payments.
  14  * Provides interface to help with initial routing sync by
  15  * serving historical announcements.
  16  *
  17  * Serves as an [`EventHandler`] for applying updates from [`Event::PaymentPathFailed`] to the
  18  * [`NetworkGraph`].
  19  */
  20 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
  21 public class NetGraphMsgHandler extends CommonBase {
  22         NetGraphMsgHandler(Object _dummy, long ptr) { super(ptr); }
  23         @Override @SuppressWarnings("deprecation")
  24         protected void finalize() throws Throwable {
  25                 super.finalize();
  26                 if (ptr != 0) { bindings.NetGraphMsgHandler_free(ptr); }
  27         }
  28
  29         /**
  30          * Constructs a new EventHandler which calls the relevant methods on this_arg.
  31          * This copies the `inner` pointer in this_arg and thus the returned EventHandler must be freed before this_arg is
  32          */
  33         public EventHandler as_EventHandler() {
  34                 long ret = bindings.NetGraphMsgHandler_as_EventHandler(this.ptr);
  35                 if (ret < 1024) { return null; }
  36                 EventHandler ret_hu_conv = new EventHandler(null, ret);
  37                 ret_hu_conv.ptrs_to.add(this);
  38                 return ret_hu_conv;
  39         }
  40
  41         /**
  42          * Representation of the payment channel network
  43          */
  44         public NetworkGraph get_network_graph() {
  45                 long ret = bindings.NetGraphMsgHandler_get_network_graph(this.ptr);
  46                 if (ret < 1024) { return null; }
  47                 NetworkGraph ret_hu_conv = new NetworkGraph(null, ret);
  48                 ret_hu_conv.ptrs_to.add(this);
  49                 return ret_hu_conv;
  50         }
  51
  52         /**
  53          * Representation of the payment channel network
  54          */
  55         public void set_network_graph(byte[] val_genesis_hash) {
  56                 bindings.NetGraphMsgHandler_set_network_graph(this.ptr, bindings.NetworkGraph_new(val_genesis_hash));
  57         }
  58
  59         /**
  60          * Creates a new tracker of the actual state of the network of channels and nodes,
  61          * assuming an existing Network Graph.
  62          * Chain monitor is used to make sure announced channels exist on-chain,
  63          * channel data is correct, and that the announcement is signed with
  64          * channel owners' keys.
  65          */
  66         public static NetGraphMsgHandler of(byte[] network_graph_genesis_hash, Option_AccessZ chain_access, Logger logger) {
  67                 long ret = bindings.NetGraphMsgHandler_new(bindings.NetworkGraph_new(network_graph_genesis_hash), chain_access.ptr, logger == null ? 0 : logger.ptr);
  68                 if (ret < 1024) { return null; }
  69                 NetGraphMsgHandler ret_hu_conv = new NetGraphMsgHandler(null, ret);
  70                 ret_hu_conv.ptrs_to.add(ret_hu_conv);
  71                 ret_hu_conv.ptrs_to.add(logger);
  72                 return ret_hu_conv;
  73         }
  74
  75         /**
  76          * Adds a provider used to check new announcements. Does not affect
  77          * existing announcements unless they are updated.
  78          * Add, update or remove the provider would replace the current one.
  79          */
  80         public void add_chain_access(Option_AccessZ chain_access) {
  81                 bindings.NetGraphMsgHandler_add_chain_access(this.ptr, chain_access.ptr);
  82         }
  83
  84         /**
  85          * Constructs a new RoutingMessageHandler which calls the relevant methods on this_arg.
  86          * This copies the `inner` pointer in this_arg and thus the returned RoutingMessageHandler must be freed before this_arg is
  87          */
  88         public RoutingMessageHandler as_RoutingMessageHandler() {
  89                 long ret = bindings.NetGraphMsgHandler_as_RoutingMessageHandler(this.ptr);
  90                 if (ret < 1024) { return null; }
  91                 RoutingMessageHandler ret_hu_conv = new RoutingMessageHandler(null, ret);
  92                 ret_hu_conv.ptrs_to.add(this);
  93                 return ret_hu_conv;
  94         }
  95
  96         /**
  97          * Constructs a new MessageSendEventsProvider which calls the relevant methods on this_arg.
  98          * This copies the `inner` pointer in this_arg and thus the returned MessageSendEventsProvider must be freed before this_arg is
  99          */
 100         public MessageSendEventsProvider as_MessageSendEventsProvider() {
 101                 long ret = bindings.NetGraphMsgHandler_as_MessageSendEventsProvider(this.ptr);
 102                 if (ret < 1024) { return null; }
 103                 MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
 104                 ret_hu_conv.ptrs_to.add(this);
 105                 return ret_hu_conv;
 106         }
 107
 108 }