using org.ldk.impl; using org.ldk.enums; using org.ldk.util; using System; namespace org { namespace ldk { namespace structs { /** * A ChannelMonitor handles chain events (blocks connected and disconnected) and generates * on-chain transactions to ensure no loss of funds occurs. * * You MUST ensure that no ChannelMonitors for a given channel anywhere contain out-of-date * information and are actively monitoring the chain. * * Note that the deserializer is only implemented for (BlockHash, ChannelMonitor), which * tells you the last block hash which was block_connect()ed. You MUST rescan any blocks along * the \"reorg path\" (ie disconnecting blocks until you find a common ancestor from both the * returned block hash and the the current chain and then reconnecting blocks to get to the * best chain) upon deserializing the object! */ public class ChannelMonitor : CommonBase { internal ChannelMonitor(object _dummy, long ptr) : base(ptr) { } ~ChannelMonitor() { if (ptr != 0) { bindings.ChannelMonitor_free(ptr); } } internal long clone_ptr() { long ret = bindings.ChannelMonitor_clone_ptr(this.ptr); GC.KeepAlive(this); return ret; } /** * Creates a copy of the ChannelMonitor */ public ChannelMonitor clone() { long ret = bindings.ChannelMonitor_clone(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } org.ldk.structs.ChannelMonitor ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelMonitor(null, ret); } if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); }; return ret_hu_conv; } /** * Serialize the ChannelMonitor object into a byte array which can be read by ChannelMonitor_read */ public byte[] write() { long ret = bindings.ChannelMonitor_write(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } byte[] ret_conv = InternalUtils.decodeUint8Array(ret); return ret_conv; } /** * Updates a ChannelMonitor on the basis of some new information provided by the Channel * itself. * * panics if the given update is not the next update by update_id. */ 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) { long ret = bindings.ChannelMonitor_update_monitor(this.ptr, updates == null ? 0 : updates.ptr, broadcaster.ptr, fee_estimator.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(updates); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (ret >= 0 && ret <= 4096) { return null; } Result_NoneNoneZ ret_hu_conv = Result_NoneNoneZ.constr_from_ptr(ret); if (this != null) { this.ptrs_to.AddLast(updates); }; if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; return ret_hu_conv; } /** * Gets the update_id from the latest ChannelMonitorUpdate which was applied to this * ChannelMonitor. */ public long get_latest_update_id() { long ret = bindings.ChannelMonitor_get_latest_update_id(this.ptr); GC.KeepAlive(this); return ret; } /** * Gets the funding transaction outpoint of the channel this ChannelMonitor is monitoring for. */ public TwoTuple_OutPointCVec_u8ZZ get_funding_txo() { long ret = bindings.ChannelMonitor_get_funding_txo(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } TwoTuple_OutPointCVec_u8ZZ ret_hu_conv = new TwoTuple_OutPointCVec_u8ZZ(null, ret); if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); }; return ret_hu_conv; } /** * Gets a list of txids, with their output scripts (in the order they appear in the * transaction), which we must learn about spends of via block_connected(). */ public TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ[] get_outputs_to_watch() { long ret = bindings.ChannelMonitor_get_outputs_to_watch(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_52_len = InternalUtils.getArrayLength(ret); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ[] ret_conv_52_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ[ret_conv_52_len]; for (int a = 0; a < ret_conv_52_len; a++) { long ret_conv_52 = InternalUtils.getU64ArrayElem(ret, a); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ ret_conv_52_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32CVec_u8ZZZZ(null, ret_conv_52); if (ret_conv_52_hu_conv != null) { ret_conv_52_hu_conv.ptrs_to.AddLast(this); }; ret_conv_52_arr[a] = ret_conv_52_hu_conv; } bindings.free_buffer(ret); return ret_conv_52_arr; } /** * Loads the funding txo and outputs to watch into the given `chain::Filter` by repeatedly * calling `chain::Filter::register_output` and `chain::Filter::register_tx` until all outputs * have been registered. */ public void load_outputs_to_watch(org.ldk.structs.Filter filter, org.ldk.structs.Logger logger) { bindings.ChannelMonitor_load_outputs_to_watch(this.ptr, filter.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(filter); GC.KeepAlive(logger); if (this != null) { this.ptrs_to.AddLast(filter); }; if (this != null) { this.ptrs_to.AddLast(logger); }; } /** * Get the list of HTLCs who's status has been updated on chain. This should be called by * ChannelManager via [`chain::Watch::release_pending_monitor_events`]. */ public MonitorEvent[] get_and_clear_pending_monitor_events() { long ret = bindings.ChannelMonitor_get_and_clear_pending_monitor_events(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_14_len = InternalUtils.getArrayLength(ret); MonitorEvent[] ret_conv_14_arr = new MonitorEvent[ret_conv_14_len]; for (int o = 0; o < ret_conv_14_len; o++) { long ret_conv_14 = InternalUtils.getU64ArrayElem(ret, o); org.ldk.structs.MonitorEvent ret_conv_14_hu_conv = org.ldk.structs.MonitorEvent.constr_from_ptr(ret_conv_14); if (ret_conv_14_hu_conv != null) { ret_conv_14_hu_conv.ptrs_to.AddLast(this); }; ret_conv_14_arr[o] = ret_conv_14_hu_conv; } bindings.free_buffer(ret); return ret_conv_14_arr; } /** * Processes [`SpendableOutputs`] events produced from each [`ChannelMonitor`] upon maturity. * * For channels featuring anchor outputs, this method will also process [`BumpTransaction`] * events produced from each [`ChannelMonitor`] while there is a balance to claim onchain * within each channel. As the confirmation of a commitment transaction may be critical to the * safety of funds, we recommend invoking this every 30 seconds, or lower if running in an * environment with spotty connections, like on mobile. * * An [`EventHandler`] may safely call back to the provider, though this shouldn't be needed in * order to handle these events. * * [`SpendableOutputs`]: crate::events::Event::SpendableOutputs * [`BumpTransaction`]: crate::events::Event::BumpTransaction */ public void process_pending_events(org.ldk.structs.EventHandler handler) { bindings.ChannelMonitor_process_pending_events(this.ptr, handler.ptr); GC.KeepAlive(this); GC.KeepAlive(handler); if (this != null) { this.ptrs_to.AddLast(handler); }; } /** * Gets the counterparty's initial commitment transaction. The returned commitment * transaction is unsigned. This is intended to be called during the initial persistence of * the monitor (inside an implementation of [`Persist::persist_new_channel`]), to allow for * watchtowers in the persistence pipeline to have enough data to form justice transactions. * * This is similar to [`Self::counterparty_commitment_txs_from_update`], except * that for the initial commitment transaction, we don't have a corresponding update. * * This will only return `Some` for channel monitors that have been created after upgrading * to LDK 0.0.117+. * * [`Persist::persist_new_channel`]: crate::chain::chainmonitor::Persist::persist_new_channel * * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ public CommitmentTransaction initial_counterparty_commitment_tx() { long ret = bindings.ChannelMonitor_initial_counterparty_commitment_tx(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } org.ldk.structs.CommitmentTransaction ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.CommitmentTransaction(null, ret); } if (ret_hu_conv != null) { ret_hu_conv.ptrs_to.AddLast(this); }; return ret_hu_conv; } /** * Gets all of the counterparty commitment transactions provided by the given update. This * may be empty if the update doesn't include any new counterparty commitments. Returned * commitment transactions are unsigned. * * This is provided so that watchtower clients in the persistence pipeline are able to build * justice transactions for each counterparty commitment upon each update. It's intended to be * used within an implementation of [`Persist::update_persisted_channel`], which is provided * with a monitor and an update. Once revoked, signing a justice transaction can be done using * [`Self::sign_to_local_justice_tx`]. * * It is expected that a watchtower client may use this method to retrieve the latest counterparty * commitment transaction(s), and then hold the necessary data until a later update in which * the monitor has been updated with the corresponding revocation data, at which point the * monitor can sign the justice transaction. * * This will only return a non-empty list for monitor updates that have been created after * upgrading to LDK 0.0.117+. Note that no restriction lies on the monitors themselves, which * may have been created prior to upgrading. * * [`Persist::update_persisted_channel`]: crate::chain::chainmonitor::Persist::update_persisted_channel */ public CommitmentTransaction[] counterparty_commitment_txs_from_update(org.ldk.structs.ChannelMonitorUpdate update) { long ret = bindings.ChannelMonitor_counterparty_commitment_txs_from_update(this.ptr, update == null ? 0 : update.ptr); GC.KeepAlive(this); GC.KeepAlive(update); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_23_len = InternalUtils.getArrayLength(ret); CommitmentTransaction[] ret_conv_23_arr = new CommitmentTransaction[ret_conv_23_len]; for (int x = 0; x < ret_conv_23_len; x++) { long ret_conv_23 = InternalUtils.getU64ArrayElem(ret, x); 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); } if (ret_conv_23_hu_conv != null) { ret_conv_23_hu_conv.ptrs_to.AddLast(this); }; ret_conv_23_arr[x] = ret_conv_23_hu_conv; } bindings.free_buffer(ret); if (this != null) { this.ptrs_to.AddLast(update); }; return ret_conv_23_arr; } /** * Wrapper around [`EcdsaChannelSigner::sign_justice_revoked_output`] to make * signing the justice transaction easier for implementors of * [`chain::chainmonitor::Persist`]. On success this method returns the provided transaction * signing the input at `input_idx`. This method will only produce a valid signature for * a transaction spending the `to_local` output of a commitment transaction, i.e. this cannot * be used for revoked HTLC outputs. * * `Value` is the value of the output being spent by the input at `input_idx`, committed * in the BIP 143 signature. * * This method will only succeed if this monitor has received the revocation secret for the * provided `commitment_number`. If a commitment number is provided that does not correspond * to the commitment transaction being revoked, this will return a signed transaction, but * the signature will not be valid. * * [`EcdsaChannelSigner::sign_justice_revoked_output`]: crate::sign::ecdsa::EcdsaChannelSigner::sign_justice_revoked_output * [`Persist`]: crate::chain::chainmonitor::Persist */ public Result_TransactionNoneZ sign_to_local_justice_tx(byte[] justice_tx, long input_idx, long value, long commitment_number) { long ret = bindings.ChannelMonitor_sign_to_local_justice_tx(this.ptr, InternalUtils.encodeUint8Array(justice_tx), input_idx, value, commitment_number); GC.KeepAlive(this); GC.KeepAlive(justice_tx); GC.KeepAlive(input_idx); GC.KeepAlive(value); GC.KeepAlive(commitment_number); if (ret >= 0 && ret <= 4096) { return null; } Result_TransactionNoneZ ret_hu_conv = Result_TransactionNoneZ.constr_from_ptr(ret); return ret_hu_conv; } /** * Gets the `node_id` of the counterparty for this channel. * * Will be `None` for channels constructed on LDK versions prior to 0.0.110 and always `Some` * otherwise. * * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ public byte[] get_counterparty_node_id() { long ret = bindings.ChannelMonitor_get_counterparty_node_id(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } byte[] ret_conv = InternalUtils.decodeUint8Array(ret); return ret_conv; } /** * Used by [`ChannelManager`] deserialization to broadcast the latest holder state if its copy * of the channel state was out-of-date. * * You may also use this to broadcast the latest local commitment transaction, either because * a monitor update failed or because we've fallen behind (i.e. we've received proof that our * counterparty side knows a revocation secret we gave them that they shouldn't know). * * Broadcasting these transactions in the second case is UNSAFE, as they allow counterparty * side to punish you. Nevertheless you may want to broadcast them if counterparty doesn't * close channel with their commitment transaction after a substantial amount of time. Best * may be to contact the other node operator out-of-band to coordinate other options available * to you. * * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager */ public byte[][] get_latest_holder_commitment_txn(org.ldk.structs.Logger logger) { long ret = bindings.ChannelMonitor_get_latest_holder_commitment_txn(this.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(logger); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_8_len = InternalUtils.getArrayLength(ret); byte[][] ret_conv_8_arr = new byte[ret_conv_8_len][]; for (int i = 0; i < ret_conv_8_len; i++) { long ret_conv_8 = InternalUtils.getU64ArrayElem(ret, i); byte[] ret_conv_8_conv = InternalUtils.decodeUint8Array(ret_conv_8); ret_conv_8_arr[i] = ret_conv_8_conv; } bindings.free_buffer(ret); if (this != null) { this.ptrs_to.AddLast(logger); }; return ret_conv_8_arr; } /** * Processes transactions in a newly connected block, which may result in any of the following: * - update the monitor's state against resolved HTLCs * - punish the counterparty in the case of seeing a revoked commitment transaction * - force close the channel and claim/timeout incoming/outgoing HTLCs if near expiration * - detect settled outputs for later spending * - schedule and bump any in-flight claims * * Returns any new outputs to watch from `txdata`; after called, these are also included in * [`get_outputs_to_watch`]. * * [`get_outputs_to_watch`]: #method.get_outputs_to_watch */ 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) { 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 != null ? txdata_conv_28.ptr : 0)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(header); GC.KeepAlive(txdata); GC.KeepAlive(height); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_49_len = InternalUtils.getArrayLength(ret); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[ret_conv_49_len]; for (int x = 0; x < ret_conv_49_len; x++) { long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ(null, ret_conv_49); if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); }; ret_conv_49_arr[x] = ret_conv_49_hu_conv; } bindings.free_buffer(ret); if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; return ret_conv_49_arr; } /** * Determines if the disconnected block contained any transactions of interest and updates * appropriately. */ public void block_disconnected(byte[] header, int height, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) { bindings.ChannelMonitor_block_disconnected(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(header, 80)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(header); GC.KeepAlive(height); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; } /** * Processes transactions confirmed in a block with the given header and height, returning new * outputs to watch. See [`block_connected`] for details. * * Used instead of [`block_connected`] by clients that are notified of transactions rather than * blocks. See [`chain::Confirm`] for calling expectations. * * [`block_connected`]: Self::block_connected */ 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) { 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 != null ? txdata_conv_28.ptr : 0)), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(header); GC.KeepAlive(txdata); GC.KeepAlive(height); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_49_len = InternalUtils.getArrayLength(ret); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[ret_conv_49_len]; for (int x = 0; x < ret_conv_49_len; x++) { long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ(null, ret_conv_49); if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); }; ret_conv_49_arr[x] = ret_conv_49_hu_conv; } bindings.free_buffer(ret); if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; return ret_conv_49_arr; } /** * Processes a transaction that was reorganized out of the chain. * * Used instead of [`block_disconnected`] by clients that are notified of transactions rather * than blocks. See [`chain::Confirm`] for calling expectations. * * [`block_disconnected`]: Self::block_disconnected */ public void transaction_unconfirmed(byte[] txid, org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) { bindings.ChannelMonitor_transaction_unconfirmed(this.ptr, InternalUtils.encodeUint8Array(InternalUtils.check_arr_len(txid, 32)), broadcaster.ptr, fee_estimator.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(txid); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; } /** * Updates the monitor with the current best chain tip, returning new outputs to watch. See * [`block_connected`] for details. * * Used instead of [`block_connected`] by clients that are notified of transactions rather than * blocks. See [`chain::Confirm`] for calling expectations. * * [`block_connected`]: Self::block_connected */ 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) { 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); GC.KeepAlive(this); GC.KeepAlive(header); GC.KeepAlive(height); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_49_len = InternalUtils.getArrayLength(ret); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ[ret_conv_49_len]; for (int x = 0; x < ret_conv_49_len; x++) { long ret_conv_49 = InternalUtils.getU64ArrayElem(ret, x); TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCVec_C2Tuple_u32TxOutZZZ(null, ret_conv_49); if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.AddLast(this); }; ret_conv_49_arr[x] = ret_conv_49_hu_conv; } bindings.free_buffer(ret); if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; return ret_conv_49_arr; } /** * Returns the set of txids that should be monitored for re-organization out of the chain. */ public ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ[] get_relevant_txids() { long ret = bindings.ChannelMonitor_get_relevant_txids(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_54_len = InternalUtils.getArrayLength(ret); ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ[] ret_conv_54_arr = new ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ[ret_conv_54_len]; for (int c = 0; c < ret_conv_54_len; c++) { long ret_conv_54 = InternalUtils.getU64ArrayElem(ret, c); ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ ret_conv_54_hu_conv = new ThreeTuple_ThirtyTwoBytesu32COption_ThirtyTwoBytesZZ(null, ret_conv_54); if (ret_conv_54_hu_conv != null) { ret_conv_54_hu_conv.ptrs_to.AddLast(this); }; ret_conv_54_arr[c] = ret_conv_54_hu_conv; } bindings.free_buffer(ret); return ret_conv_54_arr; } /** * Gets the latest best block which was connected either via the [`chain::Listen`] or * [`chain::Confirm`] interfaces. */ public BestBlock current_best_block() { long ret = bindings.ChannelMonitor_current_best_block(this.ptr); GC.KeepAlive(this); if (ret >= 0 && ret <= 4096) { return null; } org.ldk.structs.BestBlock ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.BestBlock(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(org.ldk.structs.BroadcasterInterface broadcaster, org.ldk.structs.FeeEstimator fee_estimator, org.ldk.structs.Logger logger) { bindings.ChannelMonitor_rebroadcast_pending_claims(this.ptr, broadcaster.ptr, fee_estimator.ptr, logger.ptr); GC.KeepAlive(this); GC.KeepAlive(broadcaster); GC.KeepAlive(fee_estimator); GC.KeepAlive(logger); if (this != null) { this.ptrs_to.AddLast(broadcaster); }; if (this != null) { this.ptrs_to.AddLast(fee_estimator); }; if (this != null) { this.ptrs_to.AddLast(logger); }; } /** * Returns the descriptors for relevant outputs (i.e., those that we can spend) within the * transaction if they exist and the transaction has at least [`ANTI_REORG_DELAY`] * confirmations. For [`SpendableOutputDescriptor::DelayedPaymentOutput`] descriptors to be * returned, the transaction must have at least `max(ANTI_REORG_DELAY, to_self_delay)` * confirmations. * * Descriptors returned by this method are primarily exposed via [`Event::SpendableOutputs`] * once they are no longer under reorg risk. This method serves as a way to retrieve these * descriptors at a later time, either for historical purposes, or to replay any * missed/unhandled descriptors. For the purpose of gathering historical records, if the * channel close has fully resolved (i.e., [`ChannelMonitor::get_claimable_balances`] returns * an empty set), you can retrieve all spendable outputs by providing all descendant spending * transactions starting from the channel's funding transaction and going down three levels. * * `tx` is a transaction we'll scan the outputs of. Any transaction can be provided. If any * outputs which can be spent by us are found, at least one descriptor is returned. * * `confirmation_height` must be the height of the block in which `tx` was included in. */ public SpendableOutputDescriptor[] get_spendable_outputs(byte[] tx, int confirmation_height) { long ret = bindings.ChannelMonitor_get_spendable_outputs(this.ptr, InternalUtils.encodeUint8Array(tx), confirmation_height); GC.KeepAlive(this); GC.KeepAlive(tx); GC.KeepAlive(confirmation_height); if (ret >= 0 && ret <= 4096) { return null; } int ret_conv_27_len = InternalUtils.getArrayLength(ret); SpendableOutputDescriptor[] ret_conv_27_arr = new SpendableOutputDescriptor[ret_conv_27_len]; for (int b = 0; b < ret_conv_27_len; b++) { long ret_conv_27 = InternalUtils.getU64ArrayElem(ret, b); org.ldk.structs.SpendableOutputDescriptor ret_conv_27_hu_conv = org.ldk.structs.SpendableOutputDescriptor.constr_from_ptr(ret_conv_27); if (ret_conv_27_hu_conv != null) { ret_conv_27_hu_conv.ptrs_to.AddLast(this); }; ret_conv_27_arr[b] = ret_conv_27_hu_conv; } bindings.free_buffer(ret); return ret_conv_27_arr; } /** * Gets the balances in this channel which are either claimable by us if we were to * force-close the channel now or which are claimable on-chain (possibly awaiting * confirmation). * * Any balances in the channel which are available on-chain (excluding on-chain fees) are * included here until an [`Event::SpendableOutputs`] event has been generated for the * balance, or until our counterparty has claimed the balance and accrued several * confirmations on the claim transaction. * * Note that for `ChannelMonitors` which track a channel which went on-chain with versions of * LDK prior to 0.0.111, not all or excess balances may be included. * * See [`Balance`] for additional details on the types of claimable balances which * may be returned here and their meanings. */ public Balance[] get_claimable_balances() { long ret = bindings.ChannelMonitor_get_claimable_balances(this.ptr); GC.KeepAlive(this); 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 = 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); return ret_conv_9_arr; } } } } }