_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/ChannelMonitor.cs

   1 using org.ldk.impl;
   2 using org.ldk.enums;
   3 using org.ldk.util;
   4 using System;
   5
   6 namespace org { namespace ldk { namespace structs {
   7
   8
   9 /**
  10  * A ChannelMonitor handles chain events (blocks connected and disconnected) and generates
  11  * on-chain transactions to ensure no loss of funds occurs.
  12  *
  13  * You MUST ensure that no ChannelMonitors for a given channel anywhere contain out-of-date
  14  * information and are actively monitoring the chain.
  15  *
  16  * Note that the deserializer is only implemented for (BlockHash, ChannelMonitor), which
  17  * tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along
  18  * the \"reorg path\" (ie disconnecting blocks until you find a common ancestor from both the
  19  * returned block hash and the the current chain and then reconnecting blocks to get to the
  20  * best chain) upon deserializing the object!
  21  */
  22 public class ChannelMonitor : CommonBase {
  23         internal ChannelMonitor(object _dummy, long ptr) : base(ptr) { }
  24         ~ChannelMonitor() {
  25                 if (ptr != 0) { bindings.ChannelMonitor_free(ptr); }
  26         }
  27
  28         internal long clone_ptr() {
  29                 long ret = bindings.ChannelMonitor_clone_ptr(this.ptr);
  30                 GC.KeepAlive(this);
  31                 return ret;
  32         }
  33
  34         /**
  35          * Creates a copy of the ChannelMonitor
  36          */
  37         public ChannelMonitor clone() {
  38                 long ret = bindings.ChannelMonitor_clone(this.ptr);
  39                 GC.KeepAlive(this);
  40                 if (ret >= 0 && ret <= 4096) { return null; }
  41                 org.ldk.structs.ChannelMonitor ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelMonitor(null, ret); }
  42                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
  43                 return ret_hu_conv;
  44         }
  45
  46         /**
  47          * Serialize the ChannelMonitor object into a byte array which can be read by ChannelMonitor_read
  48          */
  49         public byte[] write() {
  50                 long ret = bindings.ChannelMonitor_write(this.ptr);
  51                 GC.KeepAlive(this);
  52                 if (ret >= 0 && ret <= 4096) { return null; }
  53                 byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
  54                 return ret_conv;
  55         }
  56
  57         /**
  58          * Updates a ChannelMonitor on the basis of some new information provided by the Channel
  59          * itself.
  60          *
  61          * panics if the given update is not the next update by update_id.
  62          */
  63         public Result_NoneNoneZ update_monitor(org.ldk.structs.ChannelMonitorUpdate updates, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
  64                 long ret = bindings.ChannelMonitor_update_monitor(this.ptr, updates.ptr, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
  65                 GC.KeepAlive(this);
  66                 GC.KeepAlive(updates);
  67                 GC.KeepAlive(broadcaster);
  68                 GC.KeepAlive(fee_estimator);
  69                 GC.KeepAlive(logger);
  70                 if (ret >= 0 && ret <= 4096) { return null; }
  71                 Result_NoneNoneZ ret_hu_conv = Result_NoneNoneZ.constr_from_ptr(ret);
  72                 if (this != null) { this.ptrs_to.AddLast(updates); };
  73                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
  74                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
  75                 if (this != null) { this.ptrs_to.AddLast(logger); };
  76                 return ret_hu_conv;
  77         }
  78
  79         /**
  80          * Gets the update_id from the latest ChannelMonitorUpdate which was applied to this
  81          * ChannelMonitor.
  82          */
  83         public long get_latest_update_id() {
  84                 long ret = bindings.ChannelMonitor_get_latest_update_id(this.ptr);
  85                 GC.KeepAlive(this);
  86                 return ret;
  87         }
  88
  89         /**
  90          * Gets the funding transaction outpoint of the channel this ChannelMonitor is monitoring for.
  91          */
  92         public TwoTuple_OutPointCVec_u8ZZ get_funding_txo() {
  93                 long ret = bindings.ChannelMonitor_get_funding_txo(this.ptr);
  94                 GC.KeepAlive(this);
  95                 if (ret >= 0 && ret <= 4096) { return null; }
  96                 TwoTuple_OutPointCVec_u8ZZ ret_hu_conv = new TwoTuple_OutPointCVec_u8ZZ(null, ret);
  97                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
  98                 return ret_hu_conv;
  99         }
 100
 101         /**
 102          * Gets the channel_id of the channel this ChannelMonitor is monitoring for.
 103          */
 104         public ChannelId channel_id() {
 105                 long ret = bindings.ChannelMonitor_channel_id(this.ptr);
 106                 GC.KeepAlive(this);
 107                 if (ret >= 0 && ret <= 4096) { return null; }
 108                 org.ldk.structs.ChannelId ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelId(null, ret); }
 109                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 110                 return ret_hu_conv;
 111         }
 112
 113         /**
 114          * Gets a list of txids, with their output scripts (in the order they appear in the
 115          * transaction), which we must learn about spends of via block_connected().
 116          */
 117         public TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ[] get_outputs_to_watch() {
 118                 long ret = bindings.ChannelMonitor_get_outputs_to_watch(this.ptr);
 119                 GC.KeepAlive(this);
 120                 if (ret >= 0 && ret <= 4096) { return null; }
 121                 int ret_conv_52_len = InternalUtils.getArrayLength(ret);
 122                 TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ[] ret_conv_52_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ[ret_conv_52_len];
 123                 for (int a = 0; a < ret_conv_52_len; a++) {
 124                         long ret_conv_52 = InternalUtils.getU64ArrayElem(ret, a);
 125                         TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ ret_conv_52_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ(null, ret_conv_52);
 126                         if (ret_conv_52_hu_conv != null) { ret_conv_52_hu_conv.ptrs_to.AddLast(this); };
 127                         ret_conv_52_arr[a] = ret_conv_52_hu_conv;
 128                 }
 129                 bindings.free_buffer(ret);
 130                 return ret_conv_52_arr;
 131         }
 132
 133         /**
 134          * Loads the funding txo and outputs to watch into the given `chain::Filter` by repeatedly
 135          * calling `chain::Filter::register_output` and `chain::Filter::register_tx` until all outputs
 136          * have been registered.
 137          */
 138         public void load_outputs_to_watch(org.ldk.structs.Filter filter, org.ldk.structs.Logger logger) {
 139                 bindings.ChannelMonitor_load_outputs_to_watch(this.ptr, filter.ptr, logger.ptr);
 140                 GC.KeepAlive(this);
 141                 GC.KeepAlive(filter);
 142                 GC.KeepAlive(logger);
 143                 if (this != null) { this.ptrs_to.AddLast(filter); };
 144                 if (this != null) { this.ptrs_to.AddLast(logger); };
 145         }
 146
 147         /**
 148          * Get the list of HTLCs who's status has been updated on chain. This should be called by
 149          * ChannelManager via [`chain::Watch::release_pending_monitor_events`].
 150          */
 151         public MonitorEvent[] get_and_clear_pending_monitor_events() {
 152                 long ret = bindings.ChannelMonitor_get_and_clear_pending_monitor_events(this.ptr);
 153                 GC.KeepAlive(this);
 154                 if (ret >= 0 && ret <= 4096) { return null; }
 155                 int ret_conv_14_len = InternalUtils.getArrayLength(ret);
 156                 MonitorEvent[] ret_conv_14_arr = new MonitorEvent[ret_conv_14_len];
 157                 for (int o = 0; o < ret_conv_14_len; o++) {
 158                         long ret_conv_14 = InternalUtils.getU64ArrayElem(ret, o);
 159                         org.ldk.structs.MonitorEvent ret_conv_14_hu_conv = org.ldk.structs.MonitorEvent.constr_from_ptr(ret_conv_14);
 160                         if (ret_conv_14_hu_conv != null) { ret_conv_14_hu_conv.ptrs_to.AddLast(this); };
 161                         ret_conv_14_arr[o] = ret_conv_14_hu_conv;
 162                 }
 163                 bindings.free_buffer(ret);
 164                 return ret_conv_14_arr;
 165         }
 166
 167         /**
 168          * Processes [`SpendableOutputs`] events produced from each [`ChannelMonitor`] upon maturity.
 169          *
 170          * For channels featuring anchor outputs, this method will also process [`BumpTransaction`]
 171          * events produced from each [`ChannelMonitor`] while there is a balance to claim onchain
 172          * within each channel. As the confirmation of a commitment transaction may be critical to the
 173          * safety of funds, we recommend invoking this every 30 seconds, or lower if running in an
 174          * environment with spotty connections, like on mobile.
 175          *
 176          * An [`EventHandler`] may safely call back to the provider, though this shouldn't be needed in
 177          * order to handle these events.
 178          *
 179          * [`SpendableOutputs`]: crate::events::Event::SpendableOutputs
 180          * [`BumpTransaction`]: crate::events::Event::BumpTransaction
 181          */
 182         public void process_pending_events(org.ldk.structs.EventHandler handler) {
 183                 bindings.ChannelMonitor_process_pending_events(this.ptr, handler.ptr);
 184                 GC.KeepAlive(this);
 185                 GC.KeepAlive(handler);
 186                 if (this != null) { this.ptrs_to.AddLast(handler); };
 187         }
 188
 189         /**
 190          * Gets the counterparty's initial commitment transaction. The returned commitment
 191          * transaction is unsigned. This is intended to be called during the initial persistence of
 192          * the monitor (inside an implementation of [`Persist::persist_new_channel`]), to allow for
 193          * watchtowers in the persistence pipeline to have enough data to form justice transactions.
 194          *
 195          * This is similar to [`Self::counterparty_commitment_txs_from_update`], except
 196          * that for the initial commitment transaction, we don't have a corresponding update.
 197          *
 198          * This will only return `Some` for channel monitors that have been created after upgrading
 199          * to LDK 0.0.117+.
 200          *
 201          * [`Persist::persist_new_channel`]: crate::chain::chainmonitor::Persist::persist_new_channel
 202          *
 203          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 204          */
 205         public CommitmentTransaction initial_counterparty_commitment_tx() {
 206                 long ret = bindings.ChannelMonitor_initial_counterparty_commitment_tx(this.ptr);
 207                 GC.KeepAlive(this);
 208                 if (ret >= 0 && ret <= 4096) { return null; }
 209                 org.ldk.structs.CommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.CommitmentTransaction(null, ret); }
 210                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 211                 return ret_hu_conv;
 212         }
 213
 214         /**
 215          * Gets all of the counterparty commitment transactions provided by the given update. This
 216          * may be empty if the update doesn't include any new counterparty commitments. Returned
 217          * commitment transactions are unsigned.
 218          *
 219          * This is provided so that watchtower clients in the persistence pipeline are able to build
 220          * justice transactions for each counterparty commitment upon each update. It's intended to be
 221          * used within an implementation of [`Persist::update_persisted_channel`], which is provided
 222          * with a monitor and an update. Once revoked, signing a justice transaction can be done using
 223          * [`Self::sign_to_local_justice_tx`].
 224          *
 225          * It is expected that a watchtower client may use this method to retrieve the latest counterparty
 226          * commitment transaction(s), and then hold the necessary data until a later update in which
 227          * the monitor has been updated with the corresponding revocation data, at which point the
 228          * monitor can sign the justice transaction.
 229          *
 230          * This will only return a non-empty list for monitor updates that have been created after
 231          * upgrading to LDK 0.0.117+. Note that no restriction lies on the monitors themselves, which
 232          * may have been created prior to upgrading.
 233          *
 234          * [`Persist::update_persisted_channel`]: crate::chain::chainmonitor::Persist::update_persisted_channel
 235          */
 236         public CommitmentTransaction[] counterparty_commitment_txs_from_update(org.ldk.structs.ChannelMonitorUpdate update) {
 237                 long ret = bindings.ChannelMonitor_counterparty_commitment_txs_from_update(this.ptr, update.ptr);
 238                 GC.KeepAlive(this);
 239                 GC.KeepAlive(update);
 240                 if (ret >= 0 && ret <= 4096) { return null; }
 241                 int ret_conv_23_len = InternalUtils.getArrayLength(ret);
 242                 CommitmentTransaction[] ret_conv_23_arr = new CommitmentTransaction[ret_conv_23_len];
 243                 for (int x = 0; x < ret_conv_23_len; x++) {
 244                         long ret_conv_23 = InternalUtils.getU64ArrayElem(ret, x);
 245                         org.ldk.structs.CommitmentTransaction ret_conv_23_hu_conv = null; if (ret_conv_23 < 0 || ret_conv_23 > 4096) { ret_conv_23_hu_conv = new org.ldk.structs.CommitmentTransaction(null, ret_conv_23); }
 246                         if (ret_conv_23_hu_conv != null) { ret_conv_23_hu_conv.ptrs_to.AddLast(this); };
 247                         ret_conv_23_arr[x] = ret_conv_23_hu_conv;
 248                 }
 249                 bindings.free_buffer(ret);
 250                 if (this != null) { this.ptrs_to.AddLast(update); };
 251                 return ret_conv_23_arr;
 252         }
 253
 254         /**
 255          * Wrapper around [`EcdsaChannelSigner::sign_justice_revoked_output`] to make
 256          * signing the justice transaction easier for implementors of
 257          * [`chain::chainmonitor::Persist`]. On success this method returns the provided transaction
 258          * signing the input at `input_idx`. This method will only produce a valid signature for
 259          * a transaction spending the `to_local` output of a commitment transaction, i.e. this cannot
 260          * be used for revoked HTLC outputs.
 261          *
 262          * `Value` is the value of the output being spent by the input at `input_idx`, committed
 263          * in the BIP 143 signature.
 264          *
 265          * This method will only succeed if this monitor has received the revocation secret for the
 266          * provided `commitment_number`. If a commitment number is provided that does not correspond
 267          * to the commitment transaction being revoked, this will return a signed transaction, but
 268          * the signature will not be valid.
 269          *
 270          * [`EcdsaChannelSigner::sign_justice_revoked_output`]: crate::sign::ecdsa::EcdsaChannelSigner::sign_justice_revoked_output
 271          * [`Persist`]: crate::chain::chainmonitor::Persist
 272          */
 273         public Result_TransactionNoneZ sign_to_local_justice_tx(byte[] justice_tx, long input_idx, long value, long commitment_number) {
 274                 long ret = bindings.ChannelMonitor_sign_to_local_justice_tx(this.ptr, InternalUtils.encodeUint8Array(justice_tx), input_idx, value, commitment_number);
 275                 GC.KeepAlive(this);
 276                 GC.KeepAlive(justice_tx);
 277                 GC.KeepAlive(input_idx);
 278                 GC.KeepAlive(value);
 279                 GC.KeepAlive(commitment_number);
 280                 if (ret >= 0 && ret <= 4096) { return null; }
 281                 Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret);
 282                 return ret_hu_conv;
 283         }
 284
 285         /**
 286          * Gets the `node_id` of the counterparty for this channel.
 287          *
 288          * Will be `None` for channels constructed on LDK versions prior to 0.0.110 and always `Some`
 289          * otherwise.
 290          *
 291          * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
 292          */
 293         public byte[] get_counterparty_node_id() {
 294                 long ret = bindings.ChannelMonitor_get_counterparty_node_id(this.ptr);
 295                 GC.KeepAlive(this);
 296                 if (ret >= 0 && ret <= 4096) { return null; }
 297                 byte[] ret_conv = InternalUtils.decodeUint8Array(ret);
 298                 return ret_conv;
 299         }
 300
 301         /**
 302          * You may use this to broadcast the latest local commitment transaction, either because
 303          * a monitor update failed or because we've fallen behind (i.e. we've received proof that our
 304          * counterparty side knows a revocation secret we gave them that they shouldn't know).
 305          *
 306          * Broadcasting these transactions in this manner is UNSAFE, as they allow counterparty
 307          * side to punish you. Nevertheless you may want to broadcast them if counterparty doesn't
 308          * close channel with their commitment transaction after a substantial amount of time. Best
 309          * may be to contact the other node operator out-of-band to coordinate other options available
 310          * to you.
 311          */
 312         public void broadcast_latest_holder_commitment_txn(org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 313                 bindings.ChannelMonitor_broadcast_latest_holder_commitment_txn(this.ptr, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 314                 GC.KeepAlive(this);
 315                 GC.KeepAlive(broadcaster);
 316                 GC.KeepAlive(fee_estimator);
 317                 GC.KeepAlive(logger);
 318                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 319                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 320                 if (this != null) { this.ptrs_to.AddLast(logger); };
 321         }
 322
 323         /**
 324          * Processes transactions in a newly connected block, which may result in any of the following:
 325          * - update the monitor's state against resolved HTLCs
 326          * - punish the counterparty in the case of seeing a revoked commitment transaction
 327          * - force close the channel and claim/timeout incoming/outgoing HTLCs if near expiration
 328          * - detect settled outputs for later spending
 329          * - schedule and bump any in-flight claims
 330          *
 331          * Returns any new outputs to watch from `txdata`; after called, these are also included in
 332          * [`get_outputs_to_watch`].
 333          *
 334          * [`get_outputs_to_watch`]: #method.get_outputs_to_watch
 335          */
 336         public TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] block_connected(byte[] header, TwoTuple_usizeTransactionZ[] txdata, int height, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 337                 long ret = bindings.ChannelMonitor_block_connected(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(header, 80)), InternalUtils.encodeUint64Array(InternalUtils.mapArray(txdata, txdata_conv_28 => txdata_conv_28.ptr)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 338                 GC.KeepAlive(this);
 339                 GC.KeepAlive(header);
 340                 GC.KeepAlive(txdata);
 341                 GC.KeepAlive(height);
 342                 GC.KeepAlive(broadcaster);
 343                 GC.KeepAlive(fee_estimator);
 344                 GC.KeepAlive(logger);
 345                 if (ret >= 0 && ret <= 4096) { return null; }
 346                 int ret_conv_49_len = InternalUtils.getArrayLength(ret);
 347                 TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[ret_conv_49_len];
 348                 for (int x = 0; x < ret_conv_49_len; x++) {
 349                         long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x);
 350                         TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ(null, ret_conv_49);
 351                         if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); };
 352                         ret_conv_49_arr[x] = ret_conv_49_hu_conv;
 353                 }
 354                 bindings.free_buffer(ret);
 355                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 356                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 357                 if (this != null) { this.ptrs_to.AddLast(logger); };
 358                 return ret_conv_49_arr;
 359         }
 360
 361         /**
 362          * Determines if the disconnected block contained any transactions of interest and updates
 363          * appropriately.
 364          */
 365         public void block_disconnected(byte[] header, int height, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 366                 bindings.ChannelMonitor_block_disconnected(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(header, 80)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 367                 GC.KeepAlive(this);
 368                 GC.KeepAlive(header);
 369                 GC.KeepAlive(height);
 370                 GC.KeepAlive(broadcaster);
 371                 GC.KeepAlive(fee_estimator);
 372                 GC.KeepAlive(logger);
 373                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 374                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 375                 if (this != null) { this.ptrs_to.AddLast(logger); };
 376         }
 377
 378         /**
 379          * Processes transactions confirmed in a block with the given header and height, returning new
 380          * outputs to watch. See [`block_connected`] for details.
 381          *
 382          * Used instead of [`block_connected`] by clients that are notified of transactions rather than
 383          * blocks. See [`chain::Confirm`] for calling expectations.
 384          *
 385          * [`block_connected`]: Self::block_connected
 386          */
 387         public TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] transactions_confirmed(byte[] header, TwoTuple_usizeTransactionZ[] txdata, int height, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 388                 long ret = bindings.ChannelMonitor_transactions_confirmed(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(header, 80)), InternalUtils.encodeUint64Array(InternalUtils.mapArray(txdata, txdata_conv_28 => txdata_conv_28.ptr)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 389                 GC.KeepAlive(this);
 390                 GC.KeepAlive(header);
 391                 GC.KeepAlive(txdata);
 392                 GC.KeepAlive(height);
 393                 GC.KeepAlive(broadcaster);
 394                 GC.KeepAlive(fee_estimator);
 395                 GC.KeepAlive(logger);
 396                 if (ret >= 0 && ret <= 4096) { return null; }
 397                 int ret_conv_49_len = InternalUtils.getArrayLength(ret);
 398                 TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[ret_conv_49_len];
 399                 for (int x = 0; x < ret_conv_49_len; x++) {
 400                         long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x);
 401                         TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ(null, ret_conv_49);
 402                         if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); };
 403                         ret_conv_49_arr[x] = ret_conv_49_hu_conv;
 404                 }
 405                 bindings.free_buffer(ret);
 406                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 407                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 408                 if (this != null) { this.ptrs_to.AddLast(logger); };
 409                 return ret_conv_49_arr;
 410         }
 411
 412         /**
 413          * Processes a transaction that was reorganized out of the chain.
 414          *
 415          * Used instead of [`block_disconnected`] by clients that are notified of transactions rather
 416          * than blocks. See [`chain::Confirm`] for calling expectations.
 417          *
 418          * [`block_disconnected`]: Self::block_disconnected
 419          */
 420         public void transaction_unconfirmed(byte[] txid, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 421                 bindings.ChannelMonitor_transaction_unconfirmed(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(txid, 32)), broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 422                 GC.KeepAlive(this);
 423                 GC.KeepAlive(txid);
 424                 GC.KeepAlive(broadcaster);
 425                 GC.KeepAlive(fee_estimator);
 426                 GC.KeepAlive(logger);
 427                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 428                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 429                 if (this != null) { this.ptrs_to.AddLast(logger); };
 430         }
 431
 432         /**
 433          * Updates the monitor with the current best chain tip, returning new outputs to watch. See
 434          * [`block_connected`] for details.
 435          *
 436          * Used instead of [`block_connected`] by clients that are notified of transactions rather than
 437          * blocks. See [`chain::Confirm`] for calling expectations.
 438          *
 439          * [`block_connected`]: Self::block_connected
 440          */
 441         public TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] best_block_updated(byte[] header, int height, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 442                 long ret = bindings.ChannelMonitor_best_block_updated(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(header, 80)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 443                 GC.KeepAlive(this);
 444                 GC.KeepAlive(header);
 445                 GC.KeepAlive(height);
 446                 GC.KeepAlive(broadcaster);
 447                 GC.KeepAlive(fee_estimator);
 448                 GC.KeepAlive(logger);
 449                 if (ret >= 0 && ret <= 4096) { return null; }
 450                 int ret_conv_49_len = InternalUtils.getArrayLength(ret);
 451                 TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[ret_conv_49_len];
 452                 for (int x = 0; x < ret_conv_49_len; x++) {
 453                         long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x);
 454                         TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ(null, ret_conv_49);
 455                         if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); };
 456                         ret_conv_49_arr[x] = ret_conv_49_hu_conv;
 457                 }
 458                 bindings.free_buffer(ret);
 459                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 460                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 461                 if (this != null) { this.ptrs_to.AddLast(logger); };
 462                 return ret_conv_49_arr;
 463         }
 464
 465         /**
 466          * Returns the set of txids that should be monitored for re-organization out of the chain.
 467          */
 468         public ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ[] get_relevant_txids() {
 469                 long ret = bindings.ChannelMonitor_get_relevant_txids(this.ptr);
 470                 GC.KeepAlive(this);
 471                 if (ret >= 0 && ret <= 4096) { return null; }
 472                 int ret_conv_54_len = InternalUtils.getArrayLength(ret);
 473                 ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ[] ret_conv_54_arr = new ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ[ret_conv_54_len];
 474                 for (int c = 0; c < ret_conv_54_len; c++) {
 475                         long ret_conv_54 = InternalUtils.getU64ArrayElem(ret, c);
 476                         ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ ret_conv_54_hu_conv = new ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ(null, ret_conv_54);
 477                         if (ret_conv_54_hu_conv != null) { ret_conv_54_hu_conv.ptrs_to.AddLast(this); };
 478                         ret_conv_54_arr[c] = ret_conv_54_hu_conv;
 479                 }
 480                 bindings.free_buffer(ret);
 481                 return ret_conv_54_arr;
 482         }
 483
 484         /**
 485          * Gets the latest best block which was connected either via the [`chain::Listen`] or
 486          * [`chain::Confirm`] interfaces.
 487          */
 488         public BestBlock current_best_block() {
 489                 long ret = bindings.ChannelMonitor_current_best_block(this.ptr);
 490                 GC.KeepAlive(this);
 491                 if (ret >= 0 && ret <= 4096) { return null; }
 492                 org.ldk.structs.BestBlock ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.BestBlock(null, ret); }
 493                 if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); };
 494                 return ret_hu_conv;
 495         }
 496
 497         /**
 498          * Triggers rebroadcasts/fee-bumps of pending claims from a force-closed channel. This is
 499          * crucial in preventing certain classes of pinning attacks, detecting substantial mempool
 500          * feerate changes between blocks, and ensuring reliability if broadcasting fails. We recommend
 501          * invoking this every 30 seconds, or lower if running in an environment with spotty
 502          * connections, like on mobile.
 503          */
 504         public void rebroadcast_pending_claims(org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 505                 bindings.ChannelMonitor_rebroadcast_pending_claims(this.ptr, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 506                 GC.KeepAlive(this);
 507                 GC.KeepAlive(broadcaster);
 508                 GC.KeepAlive(fee_estimator);
 509                 GC.KeepAlive(logger);
 510                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 511                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 512                 if (this != null) { this.ptrs_to.AddLast(logger); };
 513         }
 514
 515         /**
 516          * Triggers rebroadcasts of pending claims from a force-closed channel after a transaction
 517          * signature generation failure.
 518          */
 519         public void signer_unblocked(org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) {
 520                 bindings.ChannelMonitor_signer_unblocked(this.ptr, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
 521                 GC.KeepAlive(this);
 522                 GC.KeepAlive(broadcaster);
 523                 GC.KeepAlive(fee_estimator);
 524                 GC.KeepAlive(logger);
 525                 if (this != null) { this.ptrs_to.AddLast(broadcaster); };
 526                 if (this != null) { this.ptrs_to.AddLast(fee_estimator); };
 527                 if (this != null) { this.ptrs_to.AddLast(logger); };
 528         }
 529
 530         /**
 531          * Returns the descriptors for relevant outputs (i.e., those that we can spend) within the
 532          * transaction if they exist and the transaction has at least [`ANTI_REORG_DELAY`]
 533          * confirmations. For [`SpendableOutputDescriptor::DelayedPaymentOutput`] descriptors to be
 534          * returned, the transaction must have at least `max(ANTI_REORG_DELAY, to_self_delay)`
 535          * confirmations.
 536          *
 537          * Descriptors returned by this method are primarily exposed via [`Event::SpendableOutputs`]
 538          * once they are no longer under reorg risk. This method serves as a way to retrieve these
 539          * descriptors at a later time, either for historical purposes, or to replay any
 540          * missed/unhandled descriptors. For the purpose of gathering historical records, if the
 541          * channel close has fully resolved (i.e., [`ChannelMonitor::get_claimable_balances`] returns
 542          * an empty set), you can retrieve all spendable outputs by providing all descendant spending
 543          * transactions starting from the channel's funding transaction and going down three levels.
 544          *
 545          * `tx` is a transaction we'll scan the outputs of. Any transaction can be provided. If any
 546          * outputs which can be spent by us are found, at least one descriptor is returned.
 547          *
 548          * `confirmation_height` must be the height of the block in which `tx` was included in.
 549          */
 550         public SpendableOutputDescriptor[] get_spendable_outputs(byte[] tx, int confirmation_height) {
 551                 long ret = bindings.ChannelMonitor_get_spendable_outputs(this.ptr, InternalUtils.encodeUint8Array(tx), confirmation_height);
 552                 GC.KeepAlive(this);
 553                 GC.KeepAlive(tx);
 554                 GC.KeepAlive(confirmation_height);
 555                 if (ret >= 0 && ret <= 4096) { return null; }
 556                 int ret_conv_27_len = InternalUtils.getArrayLength(ret);
 557                 SpendableOutputDescriptor[] ret_conv_27_arr = new SpendableOutputDescriptor[ret_conv_27_len];
 558                 for (int b = 0; b < ret_conv_27_len; b++) {
 559                         long ret_conv_27 = InternalUtils.getU64ArrayElem(ret, b);
 560                         org.ldk.structs.SpendableOutputDescriptor ret_conv_27_hu_conv = org.ldk.structs.SpendableOutputDescriptor.constr_from_ptr(ret_conv_27);
 561                         if (ret_conv_27_hu_conv != null) { ret_conv_27_hu_conv.ptrs_to.AddLast(this); };
 562                         ret_conv_27_arr[b] = ret_conv_27_hu_conv;
 563                 }
 564                 bindings.free_buffer(ret);
 565                 return ret_conv_27_arr;
 566         }
 567
 568         /**
 569          * Checks if the monitor is fully resolved. Resolved monitor is one that has claimed all of
 570          * its outputs and balances (i.e. [`Self::get_claimable_balances`] returns an empty set).
 571          *
 572          * This function returns true only if [`Self::get_claimable_balances`] has been empty for at least
 573          * 4032 blocks as an additional protection against any bugs resulting in spuriously empty balance sets.
 574          */
 575         public bool is_fully_resolved(org.ldk.structs.Logger logger) {
 576                 bool ret = bindings.ChannelMonitor_is_fully_resolved(this.ptr, logger.ptr);
 577                 GC.KeepAlive(this);
 578                 GC.KeepAlive(logger);
 579                 if (this != null) { this.ptrs_to.AddLast(logger); };
 580                 return ret;
 581         }
 582
 583         /**
 584          * Gets the balances in this channel which are either claimable by us if we were to
 585          * force-close the channel now or which are claimable on-chain (possibly awaiting
 586          * confirmation).
 587          *
 588          * Any balances in the channel which are available on-chain (excluding on-chain fees) are
 589          * included here until an [`Event::SpendableOutputs`] event has been generated for the
 590          * balance, or until our counterparty has claimed the balance and accrued several
 591          * confirmations on the claim transaction.
 592          *
 593          * Note that for `ChannelMonitors` which track a channel which went on-chain with versions of
 594          * LDK prior to 0.0.111, not all or excess balances may be included.
 595          *
 596          * See [`Balance`] for additional details on the types of claimable balances which
 597          * may be returned here and their meanings.
 598          */
 599         public Balance[] get_claimable_balances() {
 600                 long ret = bindings.ChannelMonitor_get_claimable_balances(this.ptr);
 601                 GC.KeepAlive(this);
 602                 if (ret >= 0 && ret <= 4096) { return null; }
 603                 int ret_conv_9_len = InternalUtils.getArrayLength(ret);
 604                 Balance[] ret_conv_9_arr = new Balance[ret_conv_9_len];
 605                 for (int j = 0; j < ret_conv_9_len; j++) {
 606                         long ret_conv_9 = InternalUtils.getU64ArrayElem(ret, j);
 607                         org.ldk.structs.Balance ret_conv_9_hu_conv = org.ldk.structs.Balance.constr_from_ptr(ret_conv_9);
 608                         if (ret_conv_9_hu_conv != null) { ret_conv_9_hu_conv.ptrs_to.AddLast(this); };
 609                         ret_conv_9_arr[j] = ret_conv_9_hu_conv;
 610                 }
 611                 bindings.free_buffer(ret);
 612                 return ret_conv_9_arr;
 613         }
 614
 615 }
 616 } } }