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LDK Java Bindings and Release Binaries
package org.ldk.structs;
import org.ldk.impl.bindings;
import org.ldk.enums.*;
import org.ldk.util.*;
import java.util.Arrays;
import java.lang.ref.Reference;
import javax.annotation.Nullable;
/**
* 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* You MUST ensure that no ChannelMonitors for a given channel anywhere contain out-of-date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!
*/
@SuppressWarnings("unchecked") // We correctly assign various generic arrays
public class ChannelMonitor extends CommonBase {
ChannelMonitor(Object _dummy, long ptr) { super(ptr); }
@Override @SuppressWarnings("deprecation")
protected void finalize() throws Throwable {
super.finalize();
if (ptr != 0) { bindings.ChannelMonitor_free(ptr); }
}
long clone_ptr() {
long ret = bindings.ChannelMonitor_clone_ptr(this.ptr);
Reference.reachabilityFence(this);
return ret;
}
/**
* Creates a copy of the ChannelMonitor
*/
public ChannelMonitor clone() {
long ret = bindings.ChannelMonitor_clone(this.ptr);
Reference.reachabilityFence(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.add(this); };
return ret_hu_conv;
}
/**
* Serialize the ChannelMonitor object into a byte array which can be read by ChannelMonitor_read
*/
public byte[] write() {
byte[] ret = bindings.ChannelMonitor_write(this.ptr);
Reference.reachabilityFence(this);
return ret;
}
/**
* 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);
Reference.reachabilityFence(this);
Reference.reachabilityFence(updates);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(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.add(updates); };
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(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);
Reference.reachabilityFence(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);
Reference.reachabilityFence(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.add(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);
Reference.reachabilityFence(this);
int ret_conv_52_len = ret.length;
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 = 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.add(this); };
ret_conv_52_arr[a] = ret_conv_52_hu_conv;
}
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) {
bindings.ChannelMonitor_load_outputs_to_watch(this.ptr, filter.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(filter);
if (this != null) { this.ptrs_to.add(filter); };
}
/**
* 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);
Reference.reachabilityFence(this);
int ret_conv_14_len = ret.length;
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 = 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.add(this); };
ret_conv_14_arr[o] = ret_conv_14_hu_conv;
}
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);
Reference.reachabilityFence(this);
Reference.reachabilityFence(handler);
if (this != null) { this.ptrs_to.add(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
*/
@Nullable
public CommitmentTransaction initial_counterparty_commitment_tx() {
long ret = bindings.ChannelMonitor_initial_counterparty_commitment_tx(this.ptr);
Reference.reachabilityFence(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.add(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);
Reference.reachabilityFence(this);
Reference.reachabilityFence(update);
int ret_conv_23_len = ret.length;
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 = 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.add(this); };
ret_conv_23_arr[x] = ret_conv_23_hu_conv;
}
if (this != null) { this.ptrs_to.add(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::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, justice_tx, input_idx, value, commitment_number);
Reference.reachabilityFence(this);
Reference.reachabilityFence(justice_tx);
Reference.reachabilityFence(input_idx);
Reference.reachabilityFence(value);
Reference.reachabilityFence(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
*/
@Nullable
public byte[] get_counterparty_node_id() {
byte[] ret = bindings.ChannelMonitor_get_counterparty_node_id(this.ptr);
Reference.reachabilityFence(this);
return ret;
}
/**
* 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) {
byte[][] ret = bindings.ChannelMonitor_get_latest_holder_commitment_txn(this.ptr, logger.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(logger);
if (this != null) { this.ptrs_to.add(logger); };
return ret;
}
/**
* 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.check_arr_len(header, 80), txdata != null ? Arrays.stream(txdata).mapToLong(txdata_conv_28 -> txdata_conv_28 != null ? txdata_conv_28.ptr : 0).toArray() : null, height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(header);
Reference.reachabilityFence(txdata);
Reference.reachabilityFence(height);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(logger);
int ret_conv_49_len = ret.length;
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 = 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.add(this); };
ret_conv_49_arr[x] = ret_conv_49_hu_conv;
}
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(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.check_arr_len(header, 80), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(header);
Reference.reachabilityFence(height);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(logger);
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(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.check_arr_len(header, 80), txdata != null ? Arrays.stream(txdata).mapToLong(txdata_conv_28 -> txdata_conv_28 != null ? txdata_conv_28.ptr : 0).toArray() : null, height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(header);
Reference.reachabilityFence(txdata);
Reference.reachabilityFence(height);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(logger);
int ret_conv_49_len = ret.length;
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 = 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.add(this); };
ret_conv_49_arr[x] = ret_conv_49_hu_conv;
}
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(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.check_arr_len(txid, 32), broadcaster.ptr, fee_estimator.ptr, logger.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(txid);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(logger);
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(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.check_arr_len(header, 80), height, broadcaster.ptr, fee_estimator.ptr, logger.ptr);
Reference.reachabilityFence(this);
Reference.reachabilityFence(header);
Reference.reachabilityFence(height);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(logger);
int ret_conv_49_len = ret.length;
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 = 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.add(this); };
ret_conv_49_arr[x] = ret_conv_49_hu_conv;
}
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(logger); };
return ret_conv_49_arr;
}
/**
* Returns the set of txids that should be monitored for re-organization out of the chain.
*/
public TwoTuple_ThirtyTwoBytesCOption_ThirtyTwoBytesZZ[] get_relevant_txids() {
long[] ret = bindings.ChannelMonitor_get_relevant_txids(this.ptr);
Reference.reachabilityFence(this);
int ret_conv_49_len = ret.length;
TwoTuple_ThirtyTwoBytesCOption_ThirtyTwoBytesZZ[] ret_conv_49_arr = new TwoTuple_ThirtyTwoBytesCOption_ThirtyTwoBytesZZ[ret_conv_49_len];
for (int x = 0; x < ret_conv_49_len; x++) {
long ret_conv_49 = ret[x];
TwoTuple_ThirtyTwoBytesCOption_ThirtyTwoBytesZZ ret_conv_49_hu_conv = new TwoTuple_ThirtyTwoBytesCOption_ThirtyTwoBytesZZ(null, ret_conv_49);
if (ret_conv_49_hu_conv != null) { ret_conv_49_hu_conv.ptrs_to.add(this); };
ret_conv_49_arr[x] = ret_conv_49_hu_conv;
}
return ret_conv_49_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);
Reference.reachabilityFence(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.add(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);
Reference.reachabilityFence(this);
Reference.reachabilityFence(broadcaster);
Reference.reachabilityFence(fee_estimator);
Reference.reachabilityFence(logger);
if (this != null) { this.ptrs_to.add(broadcaster); };
if (this != null) { this.ptrs_to.add(fee_estimator); };
if (this != null) { this.ptrs_to.add(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, tx, confirmation_height);
Reference.reachabilityFence(this);
Reference.reachabilityFence(tx);
Reference.reachabilityFence(confirmation_height);
int ret_conv_27_len = ret.length;
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 = 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.add(this); };
ret_conv_27_arr[b] = ret_conv_27_hu_conv;
}
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);
Reference.reachabilityFence(this);
int ret_conv_9_len = ret.length;
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];
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.add(this); };
ret_conv_9_arr[j] = ret_conv_9_hu_conv;
}
return ret_conv_9_arr;
}
}