_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/MessageRouter.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 MessageRouter */
  12 public interface MessageRouterInterface {
  13         /**Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  14          */
  15         Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, Destination destination);
  16         /**Creates [`BlindedPath`]s to the `recipient` node. The nodes in `peers` are assumed to be
  17          * direct peers with the `recipient`.
  18          */
  19         Result_CVec_BlindedPathZNoneZ create_blinded_paths(byte[] recipient, byte[][] peers);
  20 }
  21
  22 /**
  23  * A trait defining behavior for routing an [`OnionMessage`].
  24  */
  25 public class MessageRouter : CommonBase {
  26         internal bindings.LDKMessageRouter bindings_instance;
  27         internal long instance_idx;
  28
  29         internal MessageRouter(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  30         ~MessageRouter() {
  31                 if (ptr != 0) { bindings.MessageRouter_free(ptr); }
  32         }
  33
  34         private class LDKMessageRouterHolder { internal MessageRouter held; }
  35         private class LDKMessageRouterImpl : bindings.LDKMessageRouter {
  36                 internal LDKMessageRouterImpl(MessageRouterInterface arg, LDKMessageRouterHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  37                 private MessageRouterInterface arg;
  38                 private LDKMessageRouterHolder impl_holder;
  39                 public long find_path(long _sender, long _peers, long _destination) {
  40                         byte[] _sender_conv = InternalUtils.decodeUint8Array(_sender);
  41                         int _peers_conv_8_len = InternalUtils.getArrayLength(_peers);
  42                         byte[][] _peers_conv_8_arr = new byte[_peers_conv_8_len][];
  43                         for (int i = 0; i < _peers_conv_8_len; i++) {
  44                                 long _peers_conv_8 = InternalUtils.getU64ArrayElem(_peers, i);
  45                                 byte[] _peers_conv_8_conv = InternalUtils.decodeUint8Array(_peers_conv_8);
  46                                 _peers_conv_8_arr[i] = _peers_conv_8_conv;
  47                         }
  48                         bindings.free_buffer(_peers);
  49                         org.ldk.structs.Destination _destination_hu_conv = org.ldk.structs.Destination.constr_from_ptr(_destination);
  50                         if (_destination_hu_conv != null) { _destination_hu_conv.ptrs_to.AddLast(this); };
  51                         Result_OnionMessagePathNoneZ ret = arg.find_path(_sender_conv, _peers_conv_8_arr, _destination_hu_conv);
  52                                 GC.KeepAlive(arg);
  53                         long result = ret == null ? 0 : ret.clone_ptr();
  54                         return result;
  55                 }
  56                 public long create_blinded_paths(long _recipient, long _peers) {
  57                         byte[] _recipient_conv = InternalUtils.decodeUint8Array(_recipient);
  58                         int _peers_conv_8_len = InternalUtils.getArrayLength(_peers);
  59                         byte[][] _peers_conv_8_arr = new byte[_peers_conv_8_len][];
  60                         for (int i = 0; i < _peers_conv_8_len; i++) {
  61                                 long _peers_conv_8 = InternalUtils.getU64ArrayElem(_peers, i);
  62                                 byte[] _peers_conv_8_conv = InternalUtils.decodeUint8Array(_peers_conv_8);
  63                                 _peers_conv_8_arr[i] = _peers_conv_8_conv;
  64                         }
  65                         bindings.free_buffer(_peers);
  66                         Result_CVec_BlindedPathZNoneZ ret = arg.create_blinded_paths(_recipient_conv, _peers_conv_8_arr);
  67                                 GC.KeepAlive(arg);
  68                         long result = ret == null ? 0 : ret.clone_ptr();
  69                         return result;
  70                 }
  71         }
  72
  73         /** Creates a new instance of MessageRouter from a given implementation */
  74         public static MessageRouter new_impl(MessageRouterInterface arg) {
  75                 LDKMessageRouterHolder impl_holder = new LDKMessageRouterHolder();
  76                 LDKMessageRouterImpl impl = new LDKMessageRouterImpl(arg, impl_holder);
  77                 long[] ptr_idx = bindings.LDKMessageRouter_new(impl);
  78
  79                 impl_holder.held = new MessageRouter(null, ptr_idx[0]);
  80                 impl_holder.held.instance_idx = ptr_idx[1];
  81                 impl_holder.held.bindings_instance = impl;
  82                 return impl_holder.held;
  83         }
  84
  85         /**
  86          * Returns a route for sending an [`OnionMessage`] to the given [`Destination`].
  87          */
  88         public Result_OnionMessagePathNoneZ find_path(byte[] sender, byte[][] peers, org.ldk.structs.Destination destination) {
  89                 long ret = bindings.MessageRouter_find_path(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(sender, 33)), InternalUtils.encodeUint64Array(InternalUtils.mapArray(peers, peers_conv_8 => InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(peers_conv_8, 33)))), destination.ptr);
  90                 GC.KeepAlive(this);
  91                 GC.KeepAlive(sender);
  92                 GC.KeepAlive(peers);
  93                 GC.KeepAlive(destination);
  94                 if (ret >= 0 && ret <= 4096) { return null; }
  95                 Result_OnionMessagePathNoneZ ret_hu_conv = Result_OnionMessagePathNoneZ.constr_from_ptr(ret);
  96                 if (this != null) { this.ptrs_to.AddLast(destination); };
  97                 return ret_hu_conv;
  98         }
  99
 100         /**
 101          * Creates [`BlindedPath`]s to the `recipient` node. The nodes in `peers` are assumed to be
 102          * direct peers with the `recipient`.
 103          */
 104         public Result_CVec_BlindedPathZNoneZ create_blinded_paths(byte[] recipient, byte[][] peers) {
 105                 long ret = bindings.MessageRouter_create_blinded_paths(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(recipient, 33)), InternalUtils.encodeUint64Array(InternalUtils.mapArray(peers, peers_conv_8 => InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(peers_conv_8, 33)))));
 106                 GC.KeepAlive(this);
 107                 GC.KeepAlive(recipient);
 108                 GC.KeepAlive(peers);
 109                 if (ret >= 0 && ret <= 4096) { return null; }
 110                 Result_CVec_BlindedPathZNoneZ ret_hu_conv = Result_CVec_BlindedPathZNoneZ.constr_from_ptr(ret);
 111                 return ret_hu_conv;
 112         }
 113
 114 }
 115 } } }