6 namespace org { namespace ldk { namespace structs {
9 * Intended destination of a failed HTLC as indicated in [`Event::HTLCHandlingFailed`].
11 public class HTLCDestination : CommonBase {
12 protected HTLCDestination(object _dummy, long ptr) : base(ptr) { }
14 if (ptr != 0) { bindings.HTLCDestination_free(ptr); }
17 internal static HTLCDestination constr_from_ptr(long ptr) {
18 long raw_ty = bindings.LDKHTLCDestination_ty_from_ptr(ptr);
20 case 0: return new HTLCDestination_NextHopChannel(ptr);
21 case 1: return new HTLCDestination_UnknownNextHop(ptr);
22 case 2: return new HTLCDestination_InvalidForward(ptr);
23 case 3: return new HTLCDestination_InvalidOnion(ptr);
24 case 4: return new HTLCDestination_FailedPayment(ptr);
26 throw new ArgumentException("Impossible enum variant");
30 /** A HTLCDestination of type NextHopChannel */
31 public class HTLCDestination_NextHopChannel : HTLCDestination {
33 * The `node_id` of the next node. For backwards compatibility, this field is
34 * marked as optional, versions prior to 0.0.110 may not always be able to provide
35 * counterparty node information.
37 * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
39 public byte[] node_id;
41 * The outgoing `channel_id` between us and the next node.
43 public ChannelId channel_id;
44 internal HTLCDestination_NextHopChannel(long ptr) : base(null, ptr) {
45 long node_id = bindings.LDKHTLCDestination_NextHopChannel_get_node_id(ptr);
46 byte[] node_id_conv = InternalUtils.decodeUint8Array(node_id);
47 this.node_id = node_id_conv;
48 long channel_id = bindings.LDKHTLCDestination_NextHopChannel_get_channel_id(ptr);
49 org.ldk.structs.ChannelId channel_id_hu_conv = null; if (channel_id < 0 || channel_id > 4096) { channel_id_hu_conv = new org.ldk.structs.ChannelId(null, channel_id); }
50 if (channel_id_hu_conv != null) { channel_id_hu_conv.ptrs_to.AddLast(this); };
51 this.channel_id = channel_id_hu_conv;
54 /** A HTLCDestination of type UnknownNextHop */
55 public class HTLCDestination_UnknownNextHop : HTLCDestination {
57 * Short channel id we are requesting to forward an HTLC to.
59 public long requested_forward_scid;
60 internal HTLCDestination_UnknownNextHop(long ptr) : base(null, ptr) {
61 this.requested_forward_scid = bindings.LDKHTLCDestination_UnknownNextHop_get_requested_forward_scid(ptr);
64 /** A HTLCDestination of type InvalidForward */
65 public class HTLCDestination_InvalidForward : HTLCDestination {
67 * Short channel id we are requesting to forward an HTLC to.
69 public long requested_forward_scid;
70 internal HTLCDestination_InvalidForward(long ptr) : base(null, ptr) {
71 this.requested_forward_scid = bindings.LDKHTLCDestination_InvalidForward_get_requested_forward_scid(ptr);
74 /** A HTLCDestination of type InvalidOnion */
75 public class HTLCDestination_InvalidOnion : HTLCDestination {
76 internal HTLCDestination_InvalidOnion(long ptr) : base(null, ptr) {
79 /** A HTLCDestination of type FailedPayment */
80 public class HTLCDestination_FailedPayment : HTLCDestination {
82 * The payment hash of the payment we attempted to process.
84 public byte[] payment_hash;
85 internal HTLCDestination_FailedPayment(long ptr) : base(null, ptr) {
86 long payment_hash = bindings.LDKHTLCDestination_FailedPayment_get_payment_hash(ptr);
87 byte[] payment_hash_conv = InternalUtils.decodeUint8Array(payment_hash);
88 this.payment_hash = payment_hash_conv;
91 internal long clone_ptr() {
92 long ret = bindings.HTLCDestination_clone_ptr(this.ptr);
98 * Creates a copy of the HTLCDestination
100 public HTLCDestination clone() {
101 long ret = bindings.HTLCDestination_clone(this.ptr);
103 if (ret >= 0 && ret <= 4096) { return null; }
104 org.ldk.structs.HTLCDestination ret_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(ret);
105 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
110 * Utility method to constructs a new NextHopChannel-variant HTLCDestination
112 public static HTLCDestination next_hop_channel(byte[] node_id, org.ldk.structs.ChannelId channel_id) {
113 long ret = bindings.HTLCDestination_next_hop_channel(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(node_id, 33)), channel_id.ptr);
114 GC.KeepAlive(node_id);
115 GC.KeepAlive(channel_id);
116 if (ret >= 0 && ret <= 4096) { return null; }
117 org.ldk.structs.HTLCDestination ret_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(ret);
118 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
119 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(channel_id); };
124 * Utility method to constructs a new UnknownNextHop-variant HTLCDestination
126 public static HTLCDestination unknown_next_hop(long requested_forward_scid) {
127 long ret = bindings.HTLCDestination_unknown_next_hop(requested_forward_scid);
128 GC.KeepAlive(requested_forward_scid);
129 if (ret >= 0 && ret <= 4096) { return null; }
130 org.ldk.structs.HTLCDestination ret_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(ret);
131 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
136 * Utility method to constructs a new InvalidForward-variant HTLCDestination
138 public static HTLCDestination invalid_forward(long requested_forward_scid) {
139 long ret = bindings.HTLCDestination_invalid_forward(requested_forward_scid);
140 GC.KeepAlive(requested_forward_scid);
141 if (ret >= 0 && ret <= 4096) { return null; }
142 org.ldk.structs.HTLCDestination ret_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(ret);
143 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
148 * Utility method to constructs a new InvalidOnion-variant HTLCDestination
150 public static HTLCDestination invalid_onion() {
151 long ret = bindings.HTLCDestination_invalid_onion();
152 if (ret >= 0 && ret <= 4096) { return null; }
153 org.ldk.structs.HTLCDestination ret_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(ret);
154 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
159 * Utility method to constructs a new FailedPayment-variant HTLCDestination
161 public static HTLCDestination failed_payment(byte[] payment_hash) {
162 long ret = bindings.HTLCDestination_failed_payment(InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(payment_hash, 32)));
163 GC.KeepAlive(payment_hash);
164 if (ret >= 0 && ret <= 4096) { return null; }
165 org.ldk.structs.HTLCDestination ret_hu_conv = org.ldk.structs.HTLCDestination.constr_from_ptr(ret);
166 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(ret_hu_conv); };
171 * Checks if two HTLCDestinations contain equal inner contents.
172 * This ignores pointers and is_owned flags and looks at the values in fields.
174 public bool eq(org.ldk.structs.HTLCDestination b) {
175 bool ret = bindings.HTLCDestination_eq(this.ptr, b.ptr);
181 public override bool Equals(object o) {
182 if (!(o is HTLCDestination)) return false;
183 return this.eq((HTLCDestination)o);
186 * Serialize the HTLCDestination object into a byte array which can be read by HTLCDestination_read
188 public byte[] write() {
189 long ret = bindings.HTLCDestination_write(this.ptr);
191 if (ret >= 0 && ret <= 4096) { return null; }
192 byte[] ret_conv = InternalUtils.decodeUint8Array(ret);