import org.ldk.util.*;
import java.util.Arrays;
+
+/**
+ * Simple structure sent back by `chain::Watch` when an HTLC from a forward channel is detected on
+ * chain. Used to update the corresponding HTLC in the backward channel. Failing to pass the
+ * preimage claim backward will lead to loss of funds.
+ */
@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class HTLCUpdate extends CommonBase {
HTLCUpdate(Object _dummy, long ptr) { super(ptr); }
@Override @SuppressWarnings("deprecation")
protected void finalize() throws Throwable {
super.finalize();
- bindings.HTLCUpdate_free(ptr);
+ if (ptr != 0) { bindings.HTLCUpdate_free(ptr); }
}
- public static HTLCUpdate constructor_clone(HTLCUpdate orig) {
- long ret = bindings.HTLCUpdate_clone(orig == null ? 0 : orig.ptr & ~1);
+ /**
+ * Creates a copy of the HTLCUpdate
+ */
+ public HTLCUpdate clone() {
+ long ret = bindings.HTLCUpdate_clone(this.ptr);
HTLCUpdate ret_hu_conv = new HTLCUpdate(null, ret);
- ret_hu_conv.ptrs_to.add(orig);
+ ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
}
- public byte[] write(HTLCUpdate obj) {
- byte[] ret = bindings.HTLCUpdate_write(obj == null ? 0 : obj.ptr & ~1);
- this.ptrs_to.add(obj);
+ /**
+ * Serialize the HTLCUpdate object into a byte array which can be read by HTLCUpdate_read
+ */
+ public byte[] write() {
+ byte[] ret = bindings.HTLCUpdate_write(this.ptr);
return ret;
}
- public static HTLCUpdate constructor_read(byte[] ser) {
+ /**
+ * Read a HTLCUpdate from a byte array, created by HTLCUpdate_write
+ */
+ public static Result_HTLCUpdateDecodeErrorZ read(byte[] ser) {
long ret = bindings.HTLCUpdate_read(ser);
- HTLCUpdate ret_hu_conv = new HTLCUpdate(null, ret);
+ Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
}