1 package org.ldk.structs;
3 import org.ldk.impl.bindings;
4 import org.ldk.enums.*;
7 import javax.annotation.Nullable;
8 import java.util.Arrays;
12 * Details of a channel, as returned by ChannelManager::list_channels and ChannelManager::list_usable_channels
14 @SuppressWarnings("unchecked") // We correctly assign various generic arrays
15 public class ChannelDetails extends CommonBase {
16 ChannelDetails(Object _dummy, long ptr) { super(ptr); }
17 @Override @SuppressWarnings("deprecation")
18 protected void finalize() throws Throwable {
20 if (ptr != 0) { bindings.ChannelDetails_free(ptr); }
24 * The channel's ID (prior to funding transaction generation, this is a random 32 bytes,
25 * thereafter this is the txid of the funding transaction xor the funding transaction output).
26 * Note that this means this value is *not* persistent - it can change once during the
27 * lifetime of the channel.
29 public byte[] get_channel_id() {
30 byte[] ret = bindings.ChannelDetails_get_channel_id(this.ptr);
35 * The channel's ID (prior to funding transaction generation, this is a random 32 bytes,
36 * thereafter this is the txid of the funding transaction xor the funding transaction output).
37 * Note that this means this value is *not* persistent - it can change once during the
38 * lifetime of the channel.
40 public void set_channel_id(byte[] val) {
41 bindings.ChannelDetails_set_channel_id(this.ptr, val);
45 * Parameters which apply to our counterparty. See individual fields for more information.
47 public ChannelCounterparty get_counterparty() {
48 long ret = bindings.ChannelDetails_get_counterparty(this.ptr);
49 if (ret < 1024) { return null; }
50 ChannelCounterparty ret_hu_conv = new ChannelCounterparty(null, ret);
51 ret_hu_conv.ptrs_to.add(this);
56 * Parameters which apply to our counterparty. See individual fields for more information.
58 public void set_counterparty(ChannelCounterparty val) {
59 bindings.ChannelDetails_set_counterparty(this.ptr, val == null ? 0 : val.ptr & ~1);
60 this.ptrs_to.add(val);
64 * The Channel's funding transaction output, if we've negotiated the funding transaction with
65 * our counterparty already.
67 * Note that, if this has been set, `channel_id` will be equivalent to
68 * `funding_txo.unwrap().to_channel_id()`.
70 * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
73 public OutPoint get_funding_txo() {
74 long ret = bindings.ChannelDetails_get_funding_txo(this.ptr);
75 if (ret < 1024) { return null; }
76 OutPoint ret_hu_conv = new OutPoint(null, ret);
77 ret_hu_conv.ptrs_to.add(this);
82 * The Channel's funding transaction output, if we've negotiated the funding transaction with
83 * our counterparty already.
85 * Note that, if this has been set, `channel_id` will be equivalent to
86 * `funding_txo.unwrap().to_channel_id()`.
88 * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
90 public void set_funding_txo(@Nullable OutPoint val) {
91 bindings.ChannelDetails_set_funding_txo(this.ptr, val == null ? 0 : val.ptr & ~1);
92 this.ptrs_to.add(val);
96 * The position of the funding transaction in the chain. None if the funding transaction has
97 * not yet been confirmed and the channel fully opened.
99 public Option_u64Z get_short_channel_id() {
100 long ret = bindings.ChannelDetails_get_short_channel_id(this.ptr);
101 if (ret < 1024) { return null; }
102 Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
103 ret_hu_conv.ptrs_to.add(this);
108 * The position of the funding transaction in the chain. None if the funding transaction has
109 * not yet been confirmed and the channel fully opened.
111 public void set_short_channel_id(Option_u64Z val) {
112 bindings.ChannelDetails_set_short_channel_id(this.ptr, val.ptr);
116 * The value, in satoshis, of this channel as appears in the funding output
118 public long get_channel_value_satoshis() {
119 long ret = bindings.ChannelDetails_get_channel_value_satoshis(this.ptr);
124 * The value, in satoshis, of this channel as appears in the funding output
126 public void set_channel_value_satoshis(long val) {
127 bindings.ChannelDetails_set_channel_value_satoshis(this.ptr, val);
131 * The value, in satoshis, that must always be held in the channel for us. This value ensures
132 * that if we broadcast a revoked state, our counterparty can punish us by claiming at least
133 * this value on chain.
135 * This value is not included in [`outbound_capacity_msat`] as it can never be spent.
137 * This value will be `None` for outbound channels until the counterparty accepts the channel.
139 * [`outbound_capacity_msat`]: ChannelDetails::outbound_capacity_msat
141 public Option_u64Z get_unspendable_punishment_reserve() {
142 long ret = bindings.ChannelDetails_get_unspendable_punishment_reserve(this.ptr);
143 if (ret < 1024) { return null; }
144 Option_u64Z ret_hu_conv = Option_u64Z.constr_from_ptr(ret);
145 ret_hu_conv.ptrs_to.add(this);
150 * The value, in satoshis, that must always be held in the channel for us. This value ensures
151 * that if we broadcast a revoked state, our counterparty can punish us by claiming at least
152 * this value on chain.
154 * This value is not included in [`outbound_capacity_msat`] as it can never be spent.
156 * This value will be `None` for outbound channels until the counterparty accepts the channel.
158 * [`outbound_capacity_msat`]: ChannelDetails::outbound_capacity_msat
160 public void set_unspendable_punishment_reserve(Option_u64Z val) {
161 bindings.ChannelDetails_set_unspendable_punishment_reserve(this.ptr, val.ptr);
165 * The user_id passed in to create_channel, or 0 if the channel was inbound.
167 public long get_user_id() {
168 long ret = bindings.ChannelDetails_get_user_id(this.ptr);
173 * The user_id passed in to create_channel, or 0 if the channel was inbound.
175 public void set_user_id(long val) {
176 bindings.ChannelDetails_set_user_id(this.ptr, val);
180 * The available outbound capacity for sending HTLCs to the remote peer. This does not include
181 * any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not
182 * available for inclusion in new outbound HTLCs). This further does not include any pending
183 * outgoing HTLCs which are awaiting some other resolution to be sent.
185 * This value is not exact. Due to various in-flight changes, feerate changes, and our
186 * conflict-avoidance policy, exactly this amount is not likely to be spendable. However, we
187 * should be able to spend nearly this amount.
189 public long get_outbound_capacity_msat() {
190 long ret = bindings.ChannelDetails_get_outbound_capacity_msat(this.ptr);
195 * The available outbound capacity for sending HTLCs to the remote peer. This does not include
196 * any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not
197 * available for inclusion in new outbound HTLCs). This further does not include any pending
198 * outgoing HTLCs which are awaiting some other resolution to be sent.
200 * This value is not exact. Due to various in-flight changes, feerate changes, and our
201 * conflict-avoidance policy, exactly this amount is not likely to be spendable. However, we
202 * should be able to spend nearly this amount.
204 public void set_outbound_capacity_msat(long val) {
205 bindings.ChannelDetails_set_outbound_capacity_msat(this.ptr, val);
209 * The available inbound capacity for the remote peer to send HTLCs to us. This does not
210 * include any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not
211 * available for inclusion in new inbound HTLCs).
212 * Note that there are some corner cases not fully handled here, so the actual available
213 * inbound capacity may be slightly higher than this.
215 * This value is not exact. Due to various in-flight changes, feerate changes, and our
216 * counterparty's conflict-avoidance policy, exactly this amount is not likely to be spendable.
217 * However, our counterparty should be able to spend nearly this amount.
219 public long get_inbound_capacity_msat() {
220 long ret = bindings.ChannelDetails_get_inbound_capacity_msat(this.ptr);
225 * The available inbound capacity for the remote peer to send HTLCs to us. This does not
226 * include any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not
227 * available for inclusion in new inbound HTLCs).
228 * Note that there are some corner cases not fully handled here, so the actual available
229 * inbound capacity may be slightly higher than this.
231 * This value is not exact. Due to various in-flight changes, feerate changes, and our
232 * counterparty's conflict-avoidance policy, exactly this amount is not likely to be spendable.
233 * However, our counterparty should be able to spend nearly this amount.
235 public void set_inbound_capacity_msat(long val) {
236 bindings.ChannelDetails_set_inbound_capacity_msat(this.ptr, val);
240 * The number of required confirmations on the funding transaction before the funding will be
241 * considered \"locked\". This number is selected by the channel fundee (i.e. us if
242 * [`is_outbound`] is *not* set), and can be selected for inbound channels with
243 * [`ChannelHandshakeConfig::minimum_depth`] or limited for outbound channels with
244 * [`ChannelHandshakeLimits::max_minimum_depth`].
246 * This value will be `None` for outbound channels until the counterparty accepts the channel.
248 * [`is_outbound`]: ChannelDetails::is_outbound
249 * [`ChannelHandshakeConfig::minimum_depth`]: crate::util::config::ChannelHandshakeConfig::minimum_depth
250 * [`ChannelHandshakeLimits::max_minimum_depth`]: crate::util::config::ChannelHandshakeLimits::max_minimum_depth
252 public Option_u32Z get_confirmations_required() {
253 long ret = bindings.ChannelDetails_get_confirmations_required(this.ptr);
254 if (ret < 1024) { return null; }
255 Option_u32Z ret_hu_conv = Option_u32Z.constr_from_ptr(ret);
256 ret_hu_conv.ptrs_to.add(this);
261 * The number of required confirmations on the funding transaction before the funding will be
262 * considered \"locked\". This number is selected by the channel fundee (i.e. us if
263 * [`is_outbound`] is *not* set), and can be selected for inbound channels with
264 * [`ChannelHandshakeConfig::minimum_depth`] or limited for outbound channels with
265 * [`ChannelHandshakeLimits::max_minimum_depth`].
267 * This value will be `None` for outbound channels until the counterparty accepts the channel.
269 * [`is_outbound`]: ChannelDetails::is_outbound
270 * [`ChannelHandshakeConfig::minimum_depth`]: crate::util::config::ChannelHandshakeConfig::minimum_depth
271 * [`ChannelHandshakeLimits::max_minimum_depth`]: crate::util::config::ChannelHandshakeLimits::max_minimum_depth
273 public void set_confirmations_required(Option_u32Z val) {
274 bindings.ChannelDetails_set_confirmations_required(this.ptr, val.ptr);
278 * The number of blocks (after our commitment transaction confirms) that we will need to wait
279 * until we can claim our funds after we force-close the channel. During this time our
280 * counterparty is allowed to punish us if we broadcasted a stale state. If our counterparty
281 * force-closes the channel and broadcasts a commitment transaction we do not have to wait any
282 * time to claim our non-HTLC-encumbered funds.
284 * This value will be `None` for outbound channels until the counterparty accepts the channel.
286 public Option_u16Z get_force_close_spend_delay() {
287 long ret = bindings.ChannelDetails_get_force_close_spend_delay(this.ptr);
288 if (ret < 1024) { return null; }
289 Option_u16Z ret_hu_conv = Option_u16Z.constr_from_ptr(ret);
290 ret_hu_conv.ptrs_to.add(this);
295 * The number of blocks (after our commitment transaction confirms) that we will need to wait
296 * until we can claim our funds after we force-close the channel. During this time our
297 * counterparty is allowed to punish us if we broadcasted a stale state. If our counterparty
298 * force-closes the channel and broadcasts a commitment transaction we do not have to wait any
299 * time to claim our non-HTLC-encumbered funds.
301 * This value will be `None` for outbound channels until the counterparty accepts the channel.
303 public void set_force_close_spend_delay(Option_u16Z val) {
304 bindings.ChannelDetails_set_force_close_spend_delay(this.ptr, val.ptr);
308 * True if the channel was initiated (and thus funded) by us.
310 public boolean get_is_outbound() {
311 boolean ret = bindings.ChannelDetails_get_is_outbound(this.ptr);
316 * True if the channel was initiated (and thus funded) by us.
318 public void set_is_outbound(boolean val) {
319 bindings.ChannelDetails_set_is_outbound(this.ptr, val);
323 * True if the channel is confirmed, funding_locked messages have been exchanged, and the
324 * channel is not currently being shut down. `funding_locked` message exchange implies the
325 * required confirmation count has been reached (and we were connected to the peer at some
326 * point after the funding transaction received enough confirmations). The required
327 * confirmation count is provided in [`confirmations_required`].
329 * [`confirmations_required`]: ChannelDetails::confirmations_required
331 public boolean get_is_funding_locked() {
332 boolean ret = bindings.ChannelDetails_get_is_funding_locked(this.ptr);
337 * True if the channel is confirmed, funding_locked messages have been exchanged, and the
338 * channel is not currently being shut down. `funding_locked` message exchange implies the
339 * required confirmation count has been reached (and we were connected to the peer at some
340 * point after the funding transaction received enough confirmations). The required
341 * confirmation count is provided in [`confirmations_required`].
343 * [`confirmations_required`]: ChannelDetails::confirmations_required
345 public void set_is_funding_locked(boolean val) {
346 bindings.ChannelDetails_set_is_funding_locked(this.ptr, val);
350 * True if the channel is (a) confirmed and funding_locked messages have been exchanged, (b)
351 * the peer is connected, and (c) the channel is not currently negotiating a shutdown.
353 * This is a strict superset of `is_funding_locked`.
355 public boolean get_is_usable() {
356 boolean ret = bindings.ChannelDetails_get_is_usable(this.ptr);
361 * True if the channel is (a) confirmed and funding_locked messages have been exchanged, (b)
362 * the peer is connected, and (c) the channel is not currently negotiating a shutdown.
364 * This is a strict superset of `is_funding_locked`.
366 public void set_is_usable(boolean val) {
367 bindings.ChannelDetails_set_is_usable(this.ptr, val);
371 * True if this channel is (or will be) publicly-announced.
373 public boolean get_is_public() {
374 boolean ret = bindings.ChannelDetails_get_is_public(this.ptr);
379 * True if this channel is (or will be) publicly-announced.
381 public void set_is_public(boolean val) {
382 bindings.ChannelDetails_set_is_public(this.ptr, val);
386 * Constructs a new ChannelDetails given each field
388 public static ChannelDetails of(byte[] channel_id_arg, ChannelCounterparty counterparty_arg, OutPoint funding_txo_arg, Option_u64Z short_channel_id_arg, long channel_value_satoshis_arg, Option_u64Z unspendable_punishment_reserve_arg, long user_id_arg, long outbound_capacity_msat_arg, long inbound_capacity_msat_arg, Option_u32Z confirmations_required_arg, Option_u16Z force_close_spend_delay_arg, boolean is_outbound_arg, boolean is_funding_locked_arg, boolean is_usable_arg, boolean is_public_arg) {
389 long ret = bindings.ChannelDetails_new(channel_id_arg, counterparty_arg == null ? 0 : counterparty_arg.ptr & ~1, funding_txo_arg == null ? 0 : funding_txo_arg.ptr & ~1, short_channel_id_arg.ptr, channel_value_satoshis_arg, unspendable_punishment_reserve_arg.ptr, user_id_arg, outbound_capacity_msat_arg, inbound_capacity_msat_arg, confirmations_required_arg.ptr, force_close_spend_delay_arg.ptr, is_outbound_arg, is_funding_locked_arg, is_usable_arg, is_public_arg);
390 if (ret < 1024) { return null; }
391 ChannelDetails ret_hu_conv = new ChannelDetails(null, ret);
392 ret_hu_conv.ptrs_to.add(ret_hu_conv);
393 ret_hu_conv.ptrs_to.add(counterparty_arg);
394 ret_hu_conv.ptrs_to.add(funding_txo_arg);
399 * Creates a copy of the ChannelDetails
401 public ChannelDetails clone() {
402 long ret = bindings.ChannelDetails_clone(this.ptr);
403 if (ret < 1024) { return null; }
404 ChannelDetails ret_hu_conv = new ChannelDetails(null, ret);
405 ret_hu_conv.ptrs_to.add(this);