X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FChainMonitor.java;h=bed7751667474fc9874f7ac35658b43fbedbab7c;hb=db1a11032b4164540a2d3403696be12bbca70e94;hp=ae957504105d1ee275e30d1323c6d673cc0adae4;hpb=18faab2952bff2302d55528dea556246be63950a;p=ldk-java diff --git a/src/main/java/org/ldk/structs/ChainMonitor.java b/src/main/java/org/ldk/structs/ChainMonitor.java index ae957504..bed77516 100644 --- a/src/main/java/org/ldk/structs/ChainMonitor.java +++ b/src/main/java/org/ldk/structs/ChainMonitor.java @@ -4,7 +4,20 @@ import org.ldk.impl.bindings; import org.ldk.enums.*; import org.ldk.util.*; import java.util.Arrays; +import javax.annotation.Nullable; + +/** + * An implementation of [`chain::Watch`] for monitoring channels. + * + * Connected and disconnected blocks must be provided to `ChainMonitor` as documented by + * [`chain::Watch`]. May be used in conjunction with [`ChannelManager`] to monitor channels locally + * or used independently to monitor channels remotely. See the [module-level documentation] for + * details. + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager + * [module-level documentation]: crate::chain::chainmonitor + */ @SuppressWarnings("unchecked") // We correctly assign various generic arrays public class ChainMonitor extends CommonBase { ChainMonitor(Object _dummy, long ptr) { super(ptr); } @@ -14,34 +27,73 @@ public class ChainMonitor extends CommonBase { if (ptr != 0) { bindings.ChainMonitor_free(ptr); } } - public void block_connected(byte[] header, TwoTuple[] txdata, int height) { - bindings.ChainMonitor_block_connected(this.ptr, header, Arrays.stream(txdata).mapToLong(arr_conv_24 -> bindings.C2Tuple_usizeTransactionZ_new(arr_conv_24.a, arr_conv_24.b)).toArray(), height); - /* TODO 2 TwoTuple */; - } - - public void block_disconnected(byte[] header, int disconnected_height) { - bindings.ChainMonitor_block_disconnected(this.ptr, header, disconnected_height); - } - - public static ChainMonitor constructor_new(Filter chain_source, BroadcasterInterface broadcaster, Logger logger, FeeEstimator feeest) { - 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); + /** + * Creates a new `ChainMonitor` used to watch on-chain activity pertaining to channels. + * + * When an optional chain source implementing [`chain::Filter`] is provided, the chain monitor + * will call back to it indicating transactions and outputs of interest. This allows clients to + * 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(@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); ret_hu_conv.ptrs_to.add(broadcaster); ret_hu_conv.ptrs_to.add(logger); ret_hu_conv.ptrs_to.add(feeest); + ret_hu_conv.ptrs_to.add(persister); + return ret_hu_conv; + } + + /** + * 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 + */ + 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; + } + + /** + * Constructs a new Confirm which calls the relevant methods on this_arg. + * This copies the `inner` pointer in this_arg and thus the returned Confirm must be freed before this_arg is + */ + 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; } + /** + * Constructs a new Watch which calls the relevant methods on this_arg. + * This copies the `inner` pointer in this_arg and thus the returned Watch must be freed before this_arg is + */ 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; } + /** + * Constructs a new EventsProvider which calls the relevant methods on this_arg. + * This copies the `inner` pointer in this_arg and thus the returned EventsProvider must be freed before this_arg is + */ 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;