7 namespace org { namespace ldk { namespace structs {
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.
16 * The returned [`OffersMessage`], if any, is enqueued to be sent by [`OnionMessenger`].
18 * [`OnionMessenger`]: crate::onion_message::OnionMessenger
20 Option_OffersMessageZ handle_message(OffersMessage message);
21 /**Releases any [`OffersMessage`]s that need to be sent.
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`].
26 ThreeTuple_OffersMessageDestinationBlindedPathZ[] release_pending_messages();
30 * A handler for an [`OnionMessage`] containing a BOLT 12 Offers message as its payload.
32 * [`OnionMessage`]: crate::ln::msgs::OnionMessage
34 public class OffersMessageHandler : CommonBase {
35 internal bindings.LDKOffersMessageHandler bindings_instance;
36 internal long instance_idx;
38 internal OffersMessageHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
39 ~OffersMessageHandler() {
40 if (ptr != 0) { bindings.OffersMessageHandler_free(ptr); }
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);
53 long result = ret == null ? 0 : ret.clone_ptr();
54 if (impl_holder.held != null) { impl_holder.held.ptrs_to.AddLast(ret); };
57 public long release_pending_messages() {
58 ThreeTuple_OffersMessageDestinationBlindedPathZ[] ret = arg.release_pending_messages();
60 long result = InternalUtils.encodeUint64Array(InternalUtils.mapArray(ret, ret_conv_49 => ret_conv_49 == null ? 0 : ret_conv_49.clone_ptr()));
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);
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;
78 * Handles the given message by either responding with an [`Bolt12Invoice`], sending a payment,
79 * or replying with an error.
81 * The returned [`OffersMessage`], if any, is enqueued to be sent by [`OnionMessenger`].
83 * [`OnionMessenger`]: crate::onion_message::OnionMessenger
85 public Option_OffersMessageZ handle_message(org.ldk.structs.OffersMessage message) {
86 long ret = bindings.OffersMessageHandler_handle_message(this.ptr, message.ptr);
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); };
97 * Releases any [`OffersMessage`]s that need to be sent.
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`].
102 public ThreeTuple_OffersMessageDestinationBlindedPathZ[] release_pending_messages() {
103 long ret = bindings.OffersMessageHandler_release_pending_messages(this.ptr);
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;
114 bindings.free_buffer(ret);
115 return ret_conv_49_arr;