_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/OffersMessageHandler.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 OffersMessageHandler */
  12 public interface OffersMessageHandlerInterface {
  13         /**Handles the given message by either responding with an [`Bolt12Invoice`], sending a payment,
  14          * or replying with an error.
  15          *
  16          * The returned [`OffersMessage`], if any, is enqueued to be sent by [`OnionMessenger`].
  17          *
  18          * [`OnionMessenger`]: crate::onion_message::messenger::OnionMessenger
  19          */
  20         Option_OffersMessageZ handle_message(OffersMessage message);
  21         /**Releases any [`OffersMessage`]s that need to be sent.
  22          *
  23          * Typically, this is used for messages initiating a payment flow rather than in response to
  24          * another message. The latter should use the return value of [`Self::handle_message`].
  25          */
  26         ThreeTuple_OffersMessageDestinationBlindedPathZ[] release_pending_messages();
  27 }
  28
  29 /**
  30  * A handler for an [`OnionMessage`] containing a BOLT 12 Offers message as its payload.
  31  *
  32  * [`OnionMessage`]: crate::ln::msgs::OnionMessage
  33  */
  34 public class OffersMessageHandler : CommonBase {
  35         internal bindings.LDKOffersMessageHandler bindings_instance;
  36         internal long instance_idx;
  37
  38         internal OffersMessageHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  39         ~OffersMessageHandler() {
  40                 if (ptr != 0) { bindings.OffersMessageHandler_free(ptr); }
  41         }
  42
  43         private class LDKOffersMessageHandlerHolder { internal OffersMessageHandler held; }
  44         private class LDKOffersMessageHandlerImpl : bindings.LDKOffersMessageHandler {
  45                 internal LDKOffersMessageHandlerImpl(OffersMessageHandlerInterface arg, LDKOffersMessageHandlerHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  46                 private OffersMessageHandlerInterface arg;
  47                 private LDKOffersMessageHandlerHolder impl_holder;
  48                 public long handle_message(long _message) {
  49                         org.ldk.structs.OffersMessage _message_hu_conv = org.ldk.structs.OffersMessage.constr_from_ptr(_message);
  50                         if (_message_hu_conv != null) { _message_hu_conv.ptrs_to.AddLast(this); };
  51                         Option_OffersMessageZ ret = arg.handle_message(_message_hu_conv);
  52                                 GC.KeepAlive(arg);
  53                         long result = ret == null ? 0 : ret.clone_ptr();
  54                         if (impl_holder.held != null) { impl_holder.held.ptrs_to.AddLast(ret); };
  55                         return result;
  56                 }
  57                 public long release_pending_messages() {
  58                         ThreeTuple_OffersMessageDestinationBlindedPathZ[] ret = arg.release_pending_messages();
  59                                 GC.KeepAlive(arg);
  60                         long result = InternalUtils.encodeUint64Array(InternalUtils.mapArray(ret, ret_conv_49 => ret_conv_49 == null ? 0 : ret_conv_49.clone_ptr()));
  61                         return result;
  62                 }
  63         }
  64
  65         /** Creates a new instance of OffersMessageHandler from a given implementation */
  66         public static OffersMessageHandler new_impl(OffersMessageHandlerInterface arg) {
  67                 LDKOffersMessageHandlerHolder impl_holder = new LDKOffersMessageHandlerHolder();
  68                 LDKOffersMessageHandlerImpl impl = new LDKOffersMessageHandlerImpl(arg, impl_holder);
  69                 long[] ptr_idx = bindings.LDKOffersMessageHandler_new(impl);
  70
  71                 impl_holder.held = new OffersMessageHandler(null, ptr_idx[0]);
  72                 impl_holder.held.instance_idx = ptr_idx[1];
  73                 impl_holder.held.bindings_instance = impl;
  74                 return impl_holder.held;
  75         }
  76
  77         /**
  78          * Handles the given message by either responding with an [`Bolt12Invoice`], sending a payment,
  79          * or replying with an error.
  80          *
  81          * The returned [`OffersMessage`], if any, is enqueued to be sent by [`OnionMessenger`].
  82          *
  83          * [`OnionMessenger`]: crate::onion_message::messenger::OnionMessenger
  84          */
  85         public Option_OffersMessageZ handle_message(org.ldk.structs.OffersMessage message) {
  86                 long ret = bindings.OffersMessageHandler_handle_message(this.ptr, message.ptr);
  87                 GC.KeepAlive(this);
  88                 GC.KeepAlive(message);
  89                 if (ret >= 0 && ret <= 4096) { return null; }
  90                 org.ldk.structs.Option_OffersMessageZ ret_hu_conv = org.ldk.structs.Option_OffersMessageZ.constr_from_ptr(ret);
  91                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
  92                 if (this != null) { this.ptrs_to.AddLast(message); };
  93                 return ret_hu_conv;
  94         }
  95
  96         /**
  97          * Releases any [`OffersMessage`]s that need to be sent.
  98          *
  99          * Typically, this is used for messages initiating a payment flow rather than in response to
 100          * another message. The latter should use the return value of [`Self::handle_message`].
 101          */
 102         public ThreeTuple_OffersMessageDestinationBlindedPathZ[] release_pending_messages() {
 103                 long ret = bindings.OffersMessageHandler_release_pending_messages(this.ptr);
 104                 GC.KeepAlive(this);
 105                 if (ret >= 0 && ret <= 4096) { return null; }
 106                 int ret_conv_49_len = InternalUtils.getArrayLength(ret);
 107                 ThreeTuple_OffersMessageDestinationBlindedPathZ[] ret_conv_49_arr = new ThreeTuple_OffersMessageDestinationBlindedPathZ[ret_conv_49_len];
 108                 for (int x = 0; x < ret_conv_49_len; x++) {
 109                         long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x);
 110                         ThreeTuple_OffersMessageDestinationBlindedPathZ ret_conv_49_hu_conv = new ThreeTuple_OffersMessageDestinationBlindedPathZ(null, ret_conv_49);
 111                         if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); };
 112                         ret_conv_49_arr[x] = ret_conv_49_hu_conv;
 113                 }
 114                 bindings.free_buffer(ret);
 115                 return ret_conv_49_arr;
 116         }
 117
 118 }
 119 } } }