import org.ldk.enums.*;
import org.ldk.util.*;
import java.util.Arrays;
+import javax.annotation.Nullable;
/**
* pre-filter blocks or only fetch blocks matching a compact filter. Otherwise, clients may
* always need to fetch full blocks absent another means for determining which blocks contain
* transactions relevant to the watched channels.
+ *
+ * Note that chain_source (or a relevant inner pointer) may be NULL or all-0s to represent None
*/
- public static ChainMonitor of(Filter chain_source, BroadcasterInterface broadcaster, Logger logger, FeeEstimator feeest, Persist persister) {
+ public static ChainMonitor of(@Nullable Filter chain_source, BroadcasterInterface broadcaster, Logger logger, FeeEstimator feeest, Persist persister) {
long ret = bindings.ChainMonitor_new(chain_source == null ? 0 : chain_source.ptr, broadcaster == null ? 0 : broadcaster.ptr, logger == null ? 0 : logger.ptr, feeest == null ? 0 : feeest.ptr, persister == null ? 0 : persister.ptr);
+ if (ret < 1024) { return null; }
ChainMonitor ret_hu_conv = new ChainMonitor(null, ret);
ret_hu_conv.ptrs_to.add(ret_hu_conv);
ret_hu_conv.ptrs_to.add(chain_source);
*/
public Listen as_Listen() {
long ret = bindings.ChainMonitor_as_Listen(this.ptr);
+ if (ret < 1024) { return null; }
Listen ret_hu_conv = new Listen(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public Confirm as_Confirm() {
long ret = bindings.ChainMonitor_as_Confirm(this.ptr);
+ if (ret < 1024) { return null; }
Confirm ret_hu_conv = new Confirm(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public Watch as_Watch() {
long ret = bindings.ChainMonitor_as_Watch(this.ptr);
+ if (ret < 1024) { return null; }
Watch ret_hu_conv = new Watch(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public EventsProvider as_EventsProvider() {
long ret = bindings.ChainMonitor_as_EventsProvider(this.ptr);
+ if (ret < 1024) { return null; }
EventsProvider ret_hu_conv = new EventsProvider(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;