X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fldk%2Fstructs%2FChannelManagerReadArgs.java;h=8f49dd3f2d6a71403f643246a5d7576928ca38cd;hb=b6cc0960eaee5a5bbc7fde79a56152d6dcd649d8;hp=2affeefe1a66930a01065cd57084b8d6e4a9bea5;hpb=0ddbeb5d1cddaa1d89cad2a63548434b2e1e227a;p=ldk-java diff --git a/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java b/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java index 2affeefe..8f49dd3f 100644 --- a/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java +++ b/src/main/java/org/ldk/structs/ChannelManagerReadArgs.java @@ -5,6 +5,34 @@ import org.ldk.enums.*; import org.ldk.util.*; import java.util.Arrays; + +/** + * Arguments for the creation of a ChannelManager that are not deserialized. + * + * At a high-level, the process for deserializing a ChannelManager and resuming normal operation + * is: + * 1) Deserialize all stored ChannelMonitors. + * 2) Deserialize the ChannelManager by filling in this struct and calling: + * <(BlockHash, ChannelManager)>::read(reader, args) + * This may result in closing some Channels if the ChannelMonitor is newer than the stored + * ChannelManager state to ensure no loss of funds. Thus, transactions may be broadcasted. + * 3) If you are not fetching full blocks, register all relevant ChannelMonitor outpoints the same + * way you would handle a `chain::Filter` call using ChannelMonitor::get_outputs_to_watch() and + * ChannelMonitor::get_funding_txo(). + * 4) Reconnect blocks on your ChannelMonitors. + * 5) Disconnect/connect blocks on the ChannelManager. + * 6) Move the ChannelMonitors into your local chain::Watch. + * + * Note that the ordering of #4-6 is not of importance, however all three must occur before you + * call any other methods on the newly-deserialized ChannelManager. + * + * Note that because some channels may be closed during deserialization, it is critical that you + * always deserialize only the latest version of a ChannelManager and ChannelMonitors available to + * you. If you deserialize an old ChannelManager (during which force-closure transactions may be + * broadcast), and then later deserialize a newer version of the same ChannelManager (which will + * not force-close the same channels but consider them live), you may end up revoking a state for + * which you've already broadcasted the transaction. + */ @SuppressWarnings("unchecked") // We correctly assign various generic arrays public class ChannelManagerReadArgs extends CommonBase { ChannelManagerReadArgs(Object _dummy, long ptr) { super(ptr); } @@ -14,6 +42,11 @@ public class ChannelManagerReadArgs extends CommonBase { if (ptr != 0) { bindings.ChannelManagerReadArgs_free(ptr); } } + /** + * The keys provider which will give us relevant keys. Some keys will be loaded during + * deserialization and KeysInterface::read_chan_signer will be used to read per-Channel + * signing data. + */ public KeysInterface get_keys_manager() { long ret = bindings.ChannelManagerReadArgs_get_keys_manager(this.ptr); KeysInterface ret_hu_conv = new KeysInterface(null, ret); @@ -21,11 +54,21 @@ public class ChannelManagerReadArgs extends CommonBase { return ret_hu_conv; } + /** + * The keys provider which will give us relevant keys. Some keys will be loaded during + * deserialization and KeysInterface::read_chan_signer will be used to read per-Channel + * signing data. + */ public void set_keys_manager(KeysInterface val) { bindings.ChannelManagerReadArgs_set_keys_manager(this.ptr, val == null ? 0 : val.ptr); this.ptrs_to.add(val); } + /** + * The fee_estimator for use in the ChannelManager in the future. + * + * No calls to the FeeEstimator will be made during deserialization. + */ public FeeEstimator get_fee_estimator() { long ret = bindings.ChannelManagerReadArgs_get_fee_estimator(this.ptr); FeeEstimator ret_hu_conv = new FeeEstimator(null, ret); @@ -33,11 +76,23 @@ public class ChannelManagerReadArgs extends CommonBase { return ret_hu_conv; } + /** + * The fee_estimator for use in the ChannelManager in the future. + * + * No calls to the FeeEstimator will be made during deserialization. + */ public void set_fee_estimator(FeeEstimator val) { bindings.ChannelManagerReadArgs_set_fee_estimator(this.ptr, val == null ? 0 : val.ptr); this.ptrs_to.add(val); } + /** + * The chain::Watch for use in the ChannelManager in the future. + * + * No calls to the chain::Watch will be made during deserialization. It is assumed that + * you have deserialized ChannelMonitors separately and will add them to your + * chain::Watch after deserializing this ChannelManager. + */ public Watch get_chain_monitor() { long ret = bindings.ChannelManagerReadArgs_get_chain_monitor(this.ptr); Watch ret_hu_conv = new Watch(null, ret); @@ -45,11 +100,23 @@ public class ChannelManagerReadArgs extends CommonBase { return ret_hu_conv; } + /** + * The chain::Watch for use in the ChannelManager in the future. + * + * No calls to the chain::Watch will be made during deserialization. It is assumed that + * you have deserialized ChannelMonitors separately and will add them to your + * chain::Watch after deserializing this ChannelManager. + */ public void set_chain_monitor(Watch val) { bindings.ChannelManagerReadArgs_set_chain_monitor(this.ptr, val == null ? 0 : val.ptr); this.ptrs_to.add(val); } + /** + * The BroadcasterInterface which will be used in the ChannelManager in the future and may be + * used to broadcast the latest local commitment transactions of channels which must be + * force-closed during deserialization. + */ public BroadcasterInterface get_tx_broadcaster() { long ret = bindings.ChannelManagerReadArgs_get_tx_broadcaster(this.ptr); BroadcasterInterface ret_hu_conv = new BroadcasterInterface(null, ret); @@ -57,11 +124,20 @@ public class ChannelManagerReadArgs extends CommonBase { return ret_hu_conv; } + /** + * The BroadcasterInterface which will be used in the ChannelManager in the future and may be + * used to broadcast the latest local commitment transactions of channels which must be + * force-closed during deserialization. + */ public void set_tx_broadcaster(BroadcasterInterface val) { bindings.ChannelManagerReadArgs_set_tx_broadcaster(this.ptr, val == null ? 0 : val.ptr); this.ptrs_to.add(val); } + /** + * The Logger for use in the ChannelManager and which may be used to log information during + * deserialization. + */ public Logger get_logger() { long ret = bindings.ChannelManagerReadArgs_get_logger(this.ptr); Logger ret_hu_conv = new Logger(null, ret); @@ -69,25 +145,44 @@ public class ChannelManagerReadArgs extends CommonBase { return ret_hu_conv; } + /** + * The Logger for use in the ChannelManager and which may be used to log information during + * deserialization. + */ public void set_logger(Logger val) { bindings.ChannelManagerReadArgs_set_logger(this.ptr, val == null ? 0 : val.ptr); this.ptrs_to.add(val); } + /** + * Default settings used for new channels. Any existing channels will continue to use the + * runtime settings which were stored when the ChannelManager was serialized. + */ public UserConfig get_default_config() { long ret = bindings.ChannelManagerReadArgs_get_default_config(this.ptr); UserConfig ret_hu_conv = new UserConfig(null, ret); + ret_hu_conv.ptrs_to.add(this); return ret_hu_conv; } + /** + * Default settings used for new channels. Any existing channels will continue to use the + * runtime settings which were stored when the ChannelManager was serialized. + */ public void set_default_config(UserConfig val) { bindings.ChannelManagerReadArgs_set_default_config(this.ptr, val == null ? 0 : val.ptr & ~1); this.ptrs_to.add(val); } - public static ChannelManagerReadArgs constructor_new(KeysInterface keys_manager, FeeEstimator fee_estimator, Watch chain_monitor, BroadcasterInterface tx_broadcaster, Logger logger, UserConfig default_config, ChannelMonitor[] channel_monitors) { - long ret = bindings.ChannelManagerReadArgs_new(keys_manager == null ? 0 : keys_manager.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, default_config == null ? 0 : default_config.ptr & ~1, Arrays.stream(channel_monitors).mapToLong(arr_conv_16 -> arr_conv_16 == null ? 0 : arr_conv_16.ptr & ~1).toArray()); + /** + * Simple utility function to create a ChannelManagerReadArgs which creates the monitor + * HashMap for you. This is primarily useful for C bindings where it is not practical to + * populate a HashMap directly from C. + */ + public static ChannelManagerReadArgs of(KeysInterface keys_manager, FeeEstimator fee_estimator, Watch chain_monitor, BroadcasterInterface tx_broadcaster, Logger logger, UserConfig default_config, ChannelMonitor[] channel_monitors) { + long ret = bindings.ChannelManagerReadArgs_new(keys_manager == null ? 0 : keys_manager.ptr, fee_estimator == null ? 0 : fee_estimator.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, default_config == null ? 0 : default_config.ptr & ~1, Arrays.stream(channel_monitors).mapToLong(channel_monitors_conv_16 -> channel_monitors_conv_16 == null ? 0 : channel_monitors_conv_16.ptr & ~1).toArray()); ChannelManagerReadArgs ret_hu_conv = new ChannelManagerReadArgs(null, ret); + ret_hu_conv.ptrs_to.add(ret_hu_conv); ret_hu_conv.ptrs_to.add(keys_manager); ret_hu_conv.ptrs_to.add(fee_estimator); ret_hu_conv.ptrs_to.add(chain_monitor);