1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
7 import java.lang.ref.Reference;
8 import javax.annotation.Nullable;
12 * Simple structure sent back by `chain::Watch` when an HTLC from a forward channel is detected on
13 * chain. Used to update the corresponding HTLC in the backward channel. Failing to pass the
14 * preimage claim backward will lead to loss of funds.
16 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
17 public class HTLCUpdate extends CommonBase {
18 HTLCUpdate(Object _dummy, long ptr) { super(ptr); }
19 @Override @SuppressWarnings("deprecation")
20 protected void finalize() throws Throwable {
22 if (ptr != 0) { bindings.HTLCUpdate_free(ptr); }
26 long ret = bindings.HTLCUpdate_clone_ptr(this.ptr);
27 Reference.reachabilityFence(this);
32 * Creates a copy of the HTLCUpdate
34 public HTLCUpdate clone() {
35 long ret = bindings.HTLCUpdate_clone(this.ptr);
36 Reference.reachabilityFence(this);
37 if (ret >= 0 && ret <= 4096) { return null; }
38 org.ldk.structs.HTLCUpdate ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.HTLCUpdate(null, ret); }
39 ret_hu_conv.ptrs_to.add(this);
44 * Serialize the HTLCUpdate object into a byte array which can be read by HTLCUpdate_read
46 public byte[] write() {
47 byte[] ret = bindings.HTLCUpdate_write(this.ptr);
48 Reference.reachabilityFence(this);
53 * Read a HTLCUpdate from a byte array, created by HTLCUpdate_write
55 public static Result_HTLCUpdateDecodeErrorZ read(byte[] ser) {
56 long ret = bindings.HTLCUpdate_read(ser);
57 Reference.reachabilityFence(ser);
58 if (ret >= 0 && ret <= 4096) { return null; }
59 Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);