1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
6 import java.util.Arrays;
10 * Simple structure sent back by `chain::Watch` when an HTLC from a forward channel is detected on
11 * chain. Used to update the corresponding HTLC in the backward channel. Failing to pass the
12 * preimage claim backward will lead to loss of funds.
14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
15 public class HTLCUpdate extends CommonBase {
16 HTLCUpdate(Object _dummy, long ptr) { super(ptr); }
17 @Override @SuppressWarnings("deprecation")
18 protected void finalize() throws Throwable {
20 if (ptr != 0) { bindings.HTLCUpdate_free(ptr); }
24 * Creates a copy of the HTLCUpdate
26 public HTLCUpdate clone() {
27 long ret = bindings.HTLCUpdate_clone(this.ptr);
28 if (ret < 1024) { return null; }
29 HTLCUpdate ret_hu_conv = new HTLCUpdate(null, ret);
30 ret_hu_conv.ptrs_to.add(this);
35 * Serialize the HTLCUpdate object into a byte array which can be read by HTLCUpdate_read
37 public byte[] write() {
38 byte[] ret = bindings.HTLCUpdate_write(this.ptr);
43 * Read a HTLCUpdate from a byte array, created by HTLCUpdate_write
45 public static Result_HTLCUpdateDecodeErrorZ read(byte[] ser) {
46 long ret = bindings.HTLCUpdate_read(ser);
47 if (ret < 1024) { return null; }
48 Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);