*
* Non-proportional fees are fixed according to our risk using the provided fee estimator.
*
- * panics if channel_value_satoshis is >= `MAX_FUNDING_SATOSHIS`!
- *
* Users need to notify the new ChannelManager when a new block is connected or
* disconnected using its `block_connected` and `block_disconnected` methods, starting
* from after `params.latest_hash`.
Reference.reachabilityFence(config);
Reference.reachabilityFence(params);
if (ret >= 0 && ret <= 4096) { return null; }
- ChannelManager ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new ChannelManager(null, ret); }
+ org.ldk.structs.ChannelManager ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.ChannelManager(null, ret); }
ret_hu_conv.ptrs_to.add(ret_hu_conv);
ret_hu_conv.ptrs_to.add(fee_est);
ret_hu_conv.ptrs_to.add(chain_monitor);
long ret = bindings.ChannelManager_get_current_default_configuration(this.ptr);
Reference.reachabilityFence(this);
if (ret >= 0 && ret <= 4096) { return null; }
- UserConfig ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new UserConfig(null, ret); }
+ org.ldk.structs.UserConfig ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.UserConfig(null, ret); }
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
}
ChannelDetails[] ret_conv_16_arr = new ChannelDetails[ret_conv_16_len];
for (int q = 0; q < ret_conv_16_len; q++) {
long ret_conv_16 = ret[q];
- ChannelDetails ret_conv_16_hu_conv = null; if (ret_conv_16 < 0 || ret_conv_16 > 4096) { ret_conv_16_hu_conv = new ChannelDetails(null, ret_conv_16); }
+ org.ldk.structs.ChannelDetails ret_conv_16_hu_conv = null; if (ret_conv_16 < 0 || ret_conv_16 > 4096) { ret_conv_16_hu_conv = new org.ldk.structs.ChannelDetails(null, ret_conv_16); }
ret_conv_16_hu_conv.ptrs_to.add(this);
ret_conv_16_arr[q] = ret_conv_16_hu_conv;
}
}
/**
- * Gets the list of usable channels, in random order. Useful as an argument to
- * get_route to ensure non-announced channels are used.
+ * Gets the list of usable channels, in random order. Useful as an argument to [`find_route`]
+ * to ensure non-announced channels are used.
*
* These are guaranteed to have their [`ChannelDetails::is_usable`] value set to true, see the
* documentation for [`ChannelDetails::is_usable`] for more info on exactly what the criteria
* are.
+ *
+ * [`find_route`]: crate::routing::router::find_route
*/
public ChannelDetails[] list_usable_channels() {
long[] ret = bindings.ChannelManager_list_usable_channels(this.ptr);
ChannelDetails[] ret_conv_16_arr = new ChannelDetails[ret_conv_16_len];
for (int q = 0; q < ret_conv_16_len; q++) {
long ret_conv_16 = ret[q];
- ChannelDetails ret_conv_16_hu_conv = null; if (ret_conv_16 < 0 || ret_conv_16 > 4096) { ret_conv_16_hu_conv = new ChannelDetails(null, ret_conv_16); }
+ org.ldk.structs.ChannelDetails ret_conv_16_hu_conv = null; if (ret_conv_16 < 0 || ret_conv_16 > 4096) { ret_conv_16_hu_conv = new org.ldk.structs.ChannelDetails(null, ret_conv_16); }
ret_conv_16_hu_conv.ptrs_to.add(this);
ret_conv_16_arr[q] = ret_conv_16_hu_conv;
}
* [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
* [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
*/
- public Result_NoneAPIErrorZ close_channel(byte[] channel_id) {
- long ret = bindings.ChannelManager_close_channel(this.ptr, InternalUtils.check_arr_len(channel_id, 32));
+ public Result_NoneAPIErrorZ close_channel(byte[] channel_id, byte[] counterparty_node_id) {
+ long ret = bindings.ChannelManager_close_channel(this.ptr, InternalUtils.check_arr_len(channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33));
Reference.reachabilityFence(this);
Reference.reachabilityFence(channel_id);
+ Reference.reachabilityFence(counterparty_node_id);
if (ret >= 0 && ret <= 4096) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
* [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background
* [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal
*/
- public Result_NoneAPIErrorZ close_channel_with_target_feerate(byte[] channel_id, int target_feerate_sats_per_1000_weight) {
- long ret = bindings.ChannelManager_close_channel_with_target_feerate(this.ptr, InternalUtils.check_arr_len(channel_id, 32), target_feerate_sats_per_1000_weight);
+ public Result_NoneAPIErrorZ close_channel_with_target_feerate(byte[] channel_id, byte[] counterparty_node_id, int target_feerate_sats_per_1000_weight) {
+ long ret = bindings.ChannelManager_close_channel_with_target_feerate(this.ptr, InternalUtils.check_arr_len(channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33), target_feerate_sats_per_1000_weight);
Reference.reachabilityFence(this);
Reference.reachabilityFence(channel_id);
+ Reference.reachabilityFence(counterparty_node_id);
Reference.reachabilityFence(target_feerate_sats_per_1000_weight);
if (ret >= 0 && ret <= 4096) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
/**
* Force closes a channel, immediately broadcasting the latest local commitment transaction to
- * the chain and rejecting new HTLCs on the given channel. Fails if channel_id is unknown to the manager.
+ * the chain and rejecting new HTLCs on the given channel. Fails if `channel_id` is unknown to
+ * the manager, or if the `counterparty_node_id` isn't the counterparty of the corresponding
+ * channel.
*/
- public Result_NoneAPIErrorZ force_close_channel(byte[] channel_id) {
- long ret = bindings.ChannelManager_force_close_channel(this.ptr, InternalUtils.check_arr_len(channel_id, 32));
+ public Result_NoneAPIErrorZ force_close_channel(byte[] channel_id, byte[] counterparty_node_id) {
+ long ret = bindings.ChannelManager_force_close_channel(this.ptr, InternalUtils.check_arr_len(channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33));
Reference.reachabilityFence(this);
Reference.reachabilityFence(channel_id);
+ Reference.reachabilityFence(counterparty_node_id);
if (ret >= 0 && ret <= 4096) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
* [`Event::FundingGenerationReady`]: crate::util::events::Event::FundingGenerationReady
* [`Event::ChannelClosed`]: crate::util::events::Event::ChannelClosed
*/
- public Result_NoneAPIErrorZ funding_transaction_generated(byte[] temporary_channel_id, byte[] funding_transaction) {
- long ret = bindings.ChannelManager_funding_transaction_generated(this.ptr, InternalUtils.check_arr_len(temporary_channel_id, 32), funding_transaction);
+ public Result_NoneAPIErrorZ funding_transaction_generated(byte[] temporary_channel_id, byte[] counterparty_node_id, byte[] funding_transaction) {
+ long ret = bindings.ChannelManager_funding_transaction_generated(this.ptr, InternalUtils.check_arr_len(temporary_channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33), funding_transaction);
Reference.reachabilityFence(this);
Reference.reachabilityFence(temporary_channel_id);
+ Reference.reachabilityFence(counterparty_node_id);
Reference.reachabilityFence(funding_transaction);
if (ret >= 0 && ret <= 4096) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
* Indicates that the preimage for payment_hash is unknown or the received amount is incorrect
* after a PaymentReceived event, failing the HTLC back to its origin and freeing resources
* along the path (including in our own channel on which we received it).
- * Returns false if no payment was found to fail backwards, true if the process of failing the
- * HTLC backwards has been started.
+ *
+ * Note that in some cases around unclean shutdown, it is possible the payment may have
+ * already been claimed by you via [`ChannelManager::claim_funds`] prior to you seeing (a
+ * second copy of) the [`events::Event::PaymentReceived`] event. Alternatively, the payment
+ * may have already been failed automatically by LDK if it was nearing its expiration time.
+ *
+ * While LDK will never claim a payment automatically on your behalf (i.e. without you calling
+ * [`ChannelManager::claim_funds`]), you should still monitor for
+ * [`events::Event::PaymentClaimed`] events even for payments you intend to fail, especially on
+ * startup during which time claims that were in-progress at shutdown may be replayed.
*/
- public boolean fail_htlc_backwards(byte[] payment_hash) {
- boolean ret = bindings.ChannelManager_fail_htlc_backwards(this.ptr, InternalUtils.check_arr_len(payment_hash, 32));
+ public void fail_htlc_backwards(byte[] payment_hash) {
+ bindings.ChannelManager_fail_htlc_backwards(this.ptr, InternalUtils.check_arr_len(payment_hash, 32));
Reference.reachabilityFence(this);
Reference.reachabilityFence(payment_hash);
- return ret;
}
/**
* Provides a payment preimage in response to [`Event::PaymentReceived`], generating any
* [`MessageSendEvent`]s needed to claim the payment.
*
+ * Note that calling this method does *not* guarantee that the payment has been claimed. You
+ * must* wait for an [`Event::PaymentClaimed`] event which upon a successful claim will be
+ * provided to your [`EventHandler`] when [`process_pending_events`] is next called.
+ *
* Note that if you did not set an `amount_msat` when calling [`create_inbound_payment`] or
* [`create_inbound_payment_for_hash`] you must check that the amount in the `PaymentReceived`
* event matches your expectation. If you fail to do so and call this method, you may provide
* the sender \"proof-of-payment\" when they did not fulfill the full expected payment.
*
- * Returns whether any HTLCs were claimed, and thus if any new [`MessageSendEvent`]s are now
- * pending for processing via [`get_and_clear_pending_msg_events`].
- *
* [`Event::PaymentReceived`]: crate::util::events::Event::PaymentReceived
+ * [`Event::PaymentClaimed`]: crate::util::events::Event::PaymentClaimed
+ * [`process_pending_events`]: EventsProvider::process_pending_events
* [`create_inbound_payment`]: Self::create_inbound_payment
* [`create_inbound_payment_for_hash`]: Self::create_inbound_payment_for_hash
* [`get_and_clear_pending_msg_events`]: MessageSendEventsProvider::get_and_clear_pending_msg_events
*/
- public boolean claim_funds(byte[] payment_preimage) {
- boolean ret = bindings.ChannelManager_claim_funds(this.ptr, InternalUtils.check_arr_len(payment_preimage, 32));
+ public void claim_funds(byte[] payment_preimage) {
+ bindings.ChannelManager_claim_funds(this.ptr, InternalUtils.check_arr_len(payment_preimage, 32));
Reference.reachabilityFence(this);
Reference.reachabilityFence(payment_preimage);
- return ret;
}
/**
}
/**
- * Called to accept a request to open a channel after [`Event::OpenChannelRequest`] has been
- * triggered.
+ * Accepts a request to open a channel after a [`Event::OpenChannelRequest`].
+ *
+ * The `temporary_channel_id` parameter indicates which inbound channel should be accepted,
+ * and the `counterparty_node_id` parameter is the id of the peer which has requested to open
+ * the channel.
*
- * The `temporary_channel_id` parameter indicates which inbound channel should be accepted.
+ * The `user_channel_id` parameter will be provided back in
+ * [`Event::ChannelClosed::user_channel_id`] to allow tracking of which events correspond
+ * with which `accept_inbound_channel`/`accept_inbound_channel_from_trusted_peer_0conf` call.
+ *
+ * Note that this method will return an error and reject the channel, if it requires support
+ * for zero confirmations. Instead, `accept_inbound_channel_from_trusted_peer_0conf` must be
+ * used to accept such channels.
+ *
+ * [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest
+ * [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id
+ */
+ public Result_NoneAPIErrorZ accept_inbound_channel(byte[] temporary_channel_id, byte[] counterparty_node_id, long user_channel_id) {
+ long ret = bindings.ChannelManager_accept_inbound_channel(this.ptr, InternalUtils.check_arr_len(temporary_channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33), user_channel_id);
+ Reference.reachabilityFence(this);
+ Reference.reachabilityFence(temporary_channel_id);
+ Reference.reachabilityFence(counterparty_node_id);
+ Reference.reachabilityFence(user_channel_id);
+ if (ret >= 0 && ret <= 4096) { return null; }
+ Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Accepts a request to open a channel after a [`events::Event::OpenChannelRequest`], treating
+ * it as confirmed immediately.
*
- * For inbound channels, the `user_channel_id` parameter will be provided back in
+ * The `user_channel_id` parameter will be provided back in
* [`Event::ChannelClosed::user_channel_id`] to allow tracking of which events correspond
- * with which `accept_inbound_channel` call.
+ * with which `accept_inbound_channel`/`accept_inbound_channel_from_trusted_peer_0conf` call.
+ *
+ * Unlike [`ChannelManager::accept_inbound_channel`], this method accepts the incoming channel
+ * and (if the counterparty agrees), enables forwarding of payments immediately.
+ *
+ * This fully trusts that the counterparty has honestly and correctly constructed the funding
+ * transaction and blindly assumes that it will eventually confirm.
+ *
+ * If it does not confirm before we decide to close the channel, or if the funding transaction
+ * does not pay to the correct script the correct amount, *you will lose funds*.
*
* [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest
* [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id
*/
- public Result_NoneAPIErrorZ accept_inbound_channel(byte[] temporary_channel_id, long user_channel_id) {
- long ret = bindings.ChannelManager_accept_inbound_channel(this.ptr, InternalUtils.check_arr_len(temporary_channel_id, 32), user_channel_id);
+ public Result_NoneAPIErrorZ accept_inbound_channel_from_trusted_peer_0conf(byte[] temporary_channel_id, byte[] counterparty_node_id, long user_channel_id) {
+ long ret = bindings.ChannelManager_accept_inbound_channel_from_trusted_peer_0conf(this.ptr, InternalUtils.check_arr_len(temporary_channel_id, 32), InternalUtils.check_arr_len(counterparty_node_id, 33), user_channel_id);
Reference.reachabilityFence(this);
Reference.reachabilityFence(temporary_channel_id);
+ Reference.reachabilityFence(counterparty_node_id);
Reference.reachabilityFence(user_channel_id);
if (ret >= 0 && ret <= 4096) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
long ret = bindings.ChannelManager_get_phantom_route_hints(this.ptr);
Reference.reachabilityFence(this);
if (ret >= 0 && ret <= 4096) { return null; }
- PhantomRouteHints ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new PhantomRouteHints(null, ret); }
+ org.ldk.structs.PhantomRouteHints ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.PhantomRouteHints(null, ret); }
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
}
long ret = bindings.ChannelManager_current_best_block(this.ptr);
Reference.reachabilityFence(this);
if (ret >= 0 && ret <= 4096) { return null; }
- BestBlock ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new BestBlock(null, ret); }
+ org.ldk.structs.BestBlock ret_hu_conv = null; if (ret < 0 || ret > 4096) { ret_hu_conv = new org.ldk.structs.BestBlock(null, ret); }
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
}
projects / ldk-java / blobdiff