import org.ldk.impl.bindings;
import org.ldk.enums.*;
+import org.ldk.util.*;
+import java.util.Arrays;
+import java.lang.ref.Reference;
+import javax.annotation.Nullable;
+
+/**
+ * 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); }
+ }
+
+ long clone_ptr() {
+ long ret = bindings.HTLCUpdate_clone_ptr(this.ptr);
+ Reference.reachabilityFence(this);
+ return ret;
}
- public HTLCUpdate(HTLCUpdate orig) {
- super(bindings.HTLCUpdate_clone(orig == null ? 0 : orig.ptr & ~1));
- this.ptrs_to.add(orig);
+ /**
+ * Creates a copy of the HTLCUpdate
+ */
+ public HTLCUpdate clone() {
+ long ret = bindings.HTLCUpdate_clone(this.ptr);
+ Reference.reachabilityFence(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ HTLCUpdate ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new HTLCUpdate(null, ret); }
+ 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);
+ Reference.reachabilityFence(this);
return ret;
}
- public HTLCUpdate(byte[] ser) {
- super(bindings.HTLCUpdate_read(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);
+ Reference.reachabilityFence(ser);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_HTLCUpdateDecodeErrorZ ret_hu_conv = Result_HTLCUpdateDecodeErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
}
}