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