* or used independently to monitor channels remotely. See the [module-level documentation] for
* details.
*
+ * Note that `ChainMonitor` should regularly trigger rebroadcasts/fee bumps of pending claims from
+ * a force-closed channel. This is crucial in preventing certain classes of pinning attacks,
+ * detecting substantial mempool feerate changes between blocks, and ensuring reliability if
+ * broadcasting fails. We recommend invoking this every 30 seconds, or lower if running in an
+ * environment with spotty connections, like on mobile.
+ *
* [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
* [module-level documentation]: crate::chain::chainmonitor
+ * [`rebroadcast_pending_claims`]: Self::rebroadcast_pending_claims
*/
public class ChainMonitor : CommonBase {
internal ChainMonitor(object _dummy, long ptr) : base(ptr) { }
* transactions relevant to the watched channels.
*/
public static ChainMonitor of(org.ldk.structs.Option_FilterZ chain_source, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.Logger logger, org.ldk.structs.FeeEstimator feeest, org.ldk.structs.Persist persister) {
- long ret = bindings.ChainMonitor_new(chain_source.ptr, broadcaster == null ? 0 : broadcaster.ptr, logger == null ? 0 : logger.ptr, feeest == null ? 0 : feeest.ptr, persister == null ? 0 : persister.ptr);
+ long ret = bindings.ChainMonitor_new(chain_source.ptr, broadcaster.ptr, logger.ptr, feeest.ptr, persister.ptr);
GC.KeepAlive(chain_source);
GC.KeepAlive(broadcaster);
GC.KeepAlive(logger);
* inclusion in the return value.
*/
public Balance[] get_claimable_balances(ChannelDetails[] ignored_channels) {
- long[] ret = bindings.ChainMonitor_get_claimable_balances(this.ptr, ignored_channels != null ? InternalUtils.mapArray(ignored_channels, ignored_channels_conv_16 => ignored_channels_conv_16 == null ? 0 : ignored_channels_conv_16.ptr) : null);
+ long ret = bindings.ChainMonitor_get_claimable_balances(this.ptr, InternalUtils.encodeUint64Array(InternalUtils.mapArray(ignored_channels, ignored_channels_conv_16 => ignored_channels_conv_16 == null ? 0 : ignored_channels_conv_16.ptr)));
GC.KeepAlive(this);
GC.KeepAlive(ignored_channels);
- int ret_conv_9_len = ret.Length;
+ if (ret >= 0 && ret <= 4096) { return null; }
+ int ret_conv_9_len = InternalUtils.getArrayLength(ret);
Balance[] ret_conv_9_arr = new Balance[ret_conv_9_len];
for (int j = 0; j < ret_conv_9_len; j++) {
- long ret_conv_9 = ret[j];
+ long ret_conv_9 = InternalUtils.getU64ArrayElem(ret, j);
org.ldk.structs.Balance ret_conv_9_hu_conv = org.ldk.structs.Balance.constr_from_ptr(ret_conv_9);
if (ret_conv_9_hu_conv != null) { ret_conv_9_hu_conv.ptrs_to.AddLast(this); };
ret_conv_9_arr[j] = ret_conv_9_hu_conv;
}
+ bindings.free_buffer(ret);
foreach (ChannelDetails ignored_channels_conv_16 in ignored_channels) { if (this != null) { this.ptrs_to.AddLast(ignored_channels_conv_16); }; };
return ret_conv_9_arr;
}
* monitoring for on-chain state resolutions.
*/
public OutPoint[] list_monitors() {
- long[] ret = bindings.ChainMonitor_list_monitors(this.ptr);
+ long ret = bindings.ChainMonitor_list_monitors(this.ptr);
GC.KeepAlive(this);
- int ret_conv_10_len = ret.Length;
+ if (ret >= 0 && ret <= 4096) { return null; }
+ int ret_conv_10_len = InternalUtils.getArrayLength(ret);
OutPoint[] ret_conv_10_arr = new OutPoint[ret_conv_10_len];
for (int k = 0; k < ret_conv_10_len; k++) {
- long ret_conv_10 = ret[k];
+ long ret_conv_10 = InternalUtils.getU64ArrayElem(ret, k);
org.ldk.structs.OutPoint ret_conv_10_hu_conv = null; if (ret_conv_10 < 0 || ret_conv_10 > 4096) { ret_conv_10_hu_conv = new org.ldk.structs.OutPoint(null, ret_conv_10); }
if (ret_conv_10_hu_conv != null) { ret_conv_10_hu_conv.ptrs_to.AddLast(this); };
ret_conv_10_arr[k] = ret_conv_10_hu_conv;
}
+ bindings.free_buffer(ret);
return ret_conv_10_arr;
}
* Lists the pending updates for each [`ChannelMonitor`] (by `OutPoint` being monitored).
*/
public TwoTuple_OutPointCVec_MonitorUpdateIdZZ[] list_pending_monitor_updates() {
- long[] ret = bindings.ChainMonitor_list_pending_monitor_updates(this.ptr);
+ long ret = bindings.ChainMonitor_list_pending_monitor_updates(this.ptr);
GC.KeepAlive(this);
- int ret_conv_41_len = ret.Length;
+ if (ret >= 0 && ret <= 4096) { return null; }
+ int ret_conv_41_len = InternalUtils.getArrayLength(ret);
TwoTuple_OutPointCVec_MonitorUpdateIdZZ[] ret_conv_41_arr = new TwoTuple_OutPointCVec_MonitorUpdateIdZZ[ret_conv_41_len];
for (int p = 0; p < ret_conv_41_len; p++) {
- long ret_conv_41 = ret[p];
+ long ret_conv_41 = InternalUtils.getU64ArrayElem(ret, p);
TwoTuple_OutPointCVec_MonitorUpdateIdZZ ret_conv_41_hu_conv = new TwoTuple_OutPointCVec_MonitorUpdateIdZZ(null, ret_conv_41);
if (ret_conv_41_hu_conv != null) { ret_conv_41_hu_conv.ptrs_to.AddLast(this); };
ret_conv_41_arr[p] = ret_conv_41_hu_conv;
}
+ bindings.free_buffer(ret);
return ret_conv_41_arr;
}
return ret_hu_conv;
}
+ /**
+ * Gets a [`Future`] that completes when an event is available either via
+ * [`chain::Watch::release_pending_monitor_events`] or
+ * [`EventsProvider::process_pending_events`].
+ *
+ * Note that callbacks registered on the [`Future`] MUST NOT call back into this
+ * [`ChainMonitor`] and should instead register actions to be taken later.
+ *
+ * [`EventsProvider::process_pending_events`]: crate::events::EventsProvider::process_pending_events
+ */
+ public Future get_update_future() {
+ long ret = bindings.ChainMonitor_get_update_future(this.ptr);
+ GC.KeepAlive(this);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ org.ldk.structs.Future ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.Future(null, ret); }
+ if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
+ return ret_hu_conv;
+ }
+
+ /**
+ * Triggers rebroadcasts/fee-bumps of pending claims from a force-closed channel. This is
+ * crucial in preventing certain classes of pinning attacks, detecting substantial mempool
+ * feerate changes between blocks, and ensuring reliability if broadcasting fails. We recommend
+ * invoking this every 30 seconds, or lower if running in an environment with spotty
+ * connections, like on mobile.
+ */
+ public void rebroadcast_pending_claims() {
+ bindings.ChainMonitor_rebroadcast_pending_claims(this.ptr);
+ GC.KeepAlive(this);
+ }
+
/**
* Constructs a new Listen which calls the relevant methods on this_arg.
* This copies the `inner` pointer in this_arg and thus the returned Listen must be freed before this_arg is
projects / ldk-java / blobdiff