import org.ldk.enums.*;
import org.ldk.util.*;
import java.util.Arrays;
+import javax.annotation.Nullable;
/**
*/
public static ChannelManager of(FeeEstimator fee_est, Watch chain_monitor, BroadcasterInterface tx_broadcaster, Logger logger, KeysInterface keys_manager, UserConfig config, ChainParameters params) {
long ret = bindings.ChannelManager_new(fee_est == null ? 0 : fee_est.ptr, chain_monitor == null ? 0 : chain_monitor.ptr, tx_broadcaster == null ? 0 : tx_broadcaster.ptr, logger == null ? 0 : logger.ptr, keys_manager == null ? 0 : keys_manager.ptr, config == null ? 0 : config.ptr & ~1, params == null ? 0 : params.ptr & ~1);
+ if (ret < 1024) { return null; }
ChannelManager ret_hu_conv = new ChannelManager(null, ret);
ret_hu_conv.ptrs_to.add(ret_hu_conv);
ret_hu_conv.ptrs_to.add(fee_est);
*/
public UserConfig get_current_default_configuration() {
long ret = bindings.ChannelManager_get_current_default_configuration(this.ptr);
+ if (ret < 1024) { return null; }
UserConfig ret_hu_conv = new UserConfig(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
* Note that we do not check if you are currently connected to the given peer. If no
* connection is available, the outbound `open_channel` message may fail to send, resulting in
* the channel eventually being silently forgotten.
+ *
+ * Note that override_config (or a relevant inner pointer) may be NULL or all-0s to represent None
*/
- public Result_NoneAPIErrorZ create_channel(byte[] their_network_key, long channel_value_satoshis, long push_msat, long user_id, UserConfig override_config) {
+ public Result_NoneAPIErrorZ create_channel(byte[] their_network_key, long channel_value_satoshis, long push_msat, long user_id, @Nullable UserConfig override_config) {
long ret = bindings.ChannelManager_create_channel(this.ptr, their_network_key, channel_value_satoshis, push_msat, user_id, override_config == null ? 0 : override_config.ptr & ~1);
+ if (ret < 1024) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
this.ptrs_to.add(override_config);
return ret_hu_conv;
* will be accepted on the given channel, and after additional timeout/the closing of all
* pending HTLCs, the channel will be closed on chain.
*
+ * If we are the channel initiator, we will pay between our [`Background`] and
+ * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee
+ * estimate.
+ * If our counterparty is the channel initiator, we will require a channel closing
+ * transaction feerate of at least our [`Background`] feerate or the feerate which
+ * would appear on a force-closure transaction, whichever is lower. We will allow our
+ * counterparty to pay as much fee as they'd like, however.
+ *
* May generate a SendShutdown message event on success, which should be relayed.
+ *
+ * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis
+ * [`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, channel_id);
+ if (ret < 1024) { return null; }
+ Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
+ return ret_hu_conv;
+ }
+
+ /**
+ * Begins the process of closing a channel. After this call (plus some timeout), no new HTLCs
+ * will be accepted on the given channel, and after additional timeout/the closing of all
+ * pending HTLCs, the channel will be closed on chain.
+ *
+ * `target_feerate_sat_per_1000_weight` has different meanings depending on if we initiated
+ * the channel being closed or not:
+ * If we are the channel initiator, we will pay at least this feerate on the closing
+ * transaction. The upper-bound is set by
+ * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee
+ * estimate (or `target_feerate_sat_per_1000_weight`, if it is greater).
+ * If our counterparty is the channel initiator, we will refuse to accept a channel closure
+ * transaction feerate below `target_feerate_sat_per_1000_weight` (or the feerate which
+ * will appear on a force-closure transaction, whichever is lower).
+ *
+ * May generate a SendShutdown message event on success, which should be relayed.
+ *
+ * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis
+ * [`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, channel_id, target_feerate_sats_per_1000_weight);
+ if (ret < 1024) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
}
*/
public Result_NoneAPIErrorZ force_close_channel(byte[] channel_id) {
long ret = bindings.ChannelManager_force_close_channel(this.ptr, channel_id);
+ if (ret < 1024) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
}
* If a payment_secret *is* provided, we assume that the invoice had the payment_secret feature
* bit set (either as required or as available). If multiple paths are present in the Route,
* we assume the invoice had the basic_mpp feature set.
+ *
+ * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
*/
- public Result_NonePaymentSendFailureZ send_payment(Route route, byte[] payment_hash, byte[] payment_secret) {
+ public Result_NonePaymentSendFailureZ send_payment(Route route, byte[] payment_hash, @Nullable byte[] payment_secret) {
long ret = bindings.ChannelManager_send_payment(this.ptr, route == null ? 0 : route.ptr & ~1, payment_hash, payment_secret);
+ if (ret < 1024) { return null; }
Result_NonePaymentSendFailureZ ret_hu_conv = Result_NonePaymentSendFailureZ.constr_from_ptr(ret);
this.ptrs_to.add(route);
return ret_hu_conv;
}
+ /**
+ * Send a spontaneous payment, which is a payment that does not require the recipient to have
+ * generated an invoice. Optionally, you may specify the preimage. If you do choose to specify
+ * the preimage, it must be a cryptographically secure random value that no intermediate node
+ * would be able to guess -- otherwise, an intermediate node may claim the payment and it will
+ * never reach the recipient.
+ *
+ * See [`send_payment`] documentation for more details on the return value of this function.
+ *
+ * Similar to regular payments, you MUST NOT reuse a `payment_preimage` value. See
+ * [`send_payment`] for more information about the risks of duplicate preimage usage.
+ *
+ * Note that `route` must have exactly one path.
+ *
+ * [`send_payment`]: Self::send_payment
+ *
+ * Note that payment_preimage (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ public Result_PaymentHashPaymentSendFailureZ send_spontaneous_payment(Route route, @Nullable byte[] payment_preimage) {
+ long ret = bindings.ChannelManager_send_spontaneous_payment(this.ptr, route == null ? 0 : route.ptr & ~1, payment_preimage);
+ if (ret < 1024) { return null; }
+ Result_PaymentHashPaymentSendFailureZ ret_hu_conv = Result_PaymentHashPaymentSendFailureZ.constr_from_ptr(ret);
+ this.ptrs_to.add(route);
+ return ret_hu_conv;
+ }
+
/**
* Call this upon creation of a funding transaction for the given channel.
*
*/
public Result_NoneAPIErrorZ funding_transaction_generated(byte[] temporary_channel_id, byte[] funding_transaction) {
long ret = bindings.ChannelManager_funding_transaction_generated(this.ptr, temporary_channel_id, funding_transaction);
+ if (ret < 1024) { return null; }
Result_NoneAPIErrorZ ret_hu_conv = Result_NoneAPIErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
}
* [`get_and_clear_pending_msg_events`]: MessageSendEventsProvider::get_and_clear_pending_msg_events
*/
public void broadcast_node_announcement(byte[] rgb, byte[] alias, NetAddress[] addresses) {
- bindings.ChannelManager_broadcast_node_announcement(this.ptr, rgb, alias, Arrays.stream(addresses).mapToLong(addresses_conv_12 -> addresses_conv_12.ptr).toArray());
- /* TODO 2 NetAddress */;
+ bindings.ChannelManager_broadcast_node_announcement(this.ptr, rgb, alias, addresses != null ? Arrays.stream(addresses).mapToLong(addresses_conv_12 -> addresses_conv_12.ptr).toArray() : null);
}
/**
}
/**
- * If a peer is disconnected we mark any channels with that peer as 'disabled'.
- * After some time, if channels are still disabled we need to broadcast a ChannelUpdate
- * to inform the network about the uselessness of these channels.
+ * Performs actions which should happen on startup and roughly once per minute thereafter.
*
- * This method handles all the details, and must be called roughly once per minute.
+ * This currently includes:
+ * Increasing or decreasing the on-chain feerate estimates for our outbound channels,
+ * Broadcasting `ChannelUpdate` messages if we've been disconnected from our peer for more
+ * than a minute, informing the network that they should no longer attempt to route over
+ * the channel.
*
- * Note that in some rare cases this may generate a `chain::Watch::update_channel` call.
+ * Note that this may cause reentrancy through `chain::Watch::update_channel` calls or feerate
+ * estimate fetches.
*/
public void timer_tick_occurred() {
bindings.ChannelManager_timer_tick_occurred(this.ptr);
* [`PaymentReceived::payment_preimage`]: events::Event::PaymentReceived::payment_preimage
* [`create_inbound_payment_for_hash`]: Self::create_inbound_payment_for_hash
*/
- public TwoTuple<byte[], byte[]> create_inbound_payment(Option_u64Z min_value_msat, int invoice_expiry_delta_secs, long user_payment_id) {
+ public TwoTuple_PaymentHashPaymentSecretZ create_inbound_payment(Option_u64Z min_value_msat, int invoice_expiry_delta_secs, long user_payment_id) {
long ret = bindings.ChannelManager_create_inbound_payment(this.ptr, min_value_msat.ptr, invoice_expiry_delta_secs, user_payment_id);
- byte[] ret_a = bindings.LDKC2Tuple_PaymentHashPaymentSecretZ_get_a(ret);
- byte[] ret_b = bindings.LDKC2Tuple_PaymentHashPaymentSecretZ_get_b(ret);
- TwoTuple<byte[], byte[]> ret_conv = new TwoTuple<byte[], byte[]>(ret_a, ret_b, () -> {
- bindings.C2Tuple_PaymentHashPaymentSecretZ_free(ret);
- });
- return ret_conv;
+ if (ret < 1024) { return null; }
+ TwoTuple_PaymentHashPaymentSecretZ ret_hu_conv = new TwoTuple_PaymentHashPaymentSecretZ(null, ret);
+ ret_hu_conv.ptrs_to.add(this);
+ return ret_hu_conv;
}
/**
* The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) must be globally unique. This
* method may return an Err if another payment with the same payment_hash is still pending.
*
- * `user_payment_id` will be provided back in [`PaymentReceived::user_payment_id`] events to
+ * `user_payment_id` will be provided back in [`PaymentPurpose::InvoicePayment::user_payment_id`] events to
* allow tracking of which events correspond with which calls to this and
* [`create_inbound_payment`]. `user_payment_id` has no meaning inside of LDK, it is simply
* copied to events and otherwise ignored. It may be used to correlate PaymentReceived events
*
* [`create_inbound_payment`]: Self::create_inbound_payment
* [`PaymentReceived`]: events::Event::PaymentReceived
- * [`PaymentReceived::user_payment_id`]: events::Event::PaymentReceived::user_payment_id
+ * [`PaymentPurpose::InvoicePayment::user_payment_id`]: events::PaymentPurpose::InvoicePayment::user_payment_id
*/
public Result_PaymentSecretAPIErrorZ create_inbound_payment_for_hash(byte[] payment_hash, Option_u64Z min_value_msat, int invoice_expiry_delta_secs, long user_payment_id) {
long ret = bindings.ChannelManager_create_inbound_payment_for_hash(this.ptr, payment_hash, min_value_msat.ptr, invoice_expiry_delta_secs, user_payment_id);
+ if (ret < 1024) { return null; }
Result_PaymentSecretAPIErrorZ ret_hu_conv = Result_PaymentSecretAPIErrorZ.constr_from_ptr(ret);
return ret_hu_conv;
}
*/
public MessageSendEventsProvider as_MessageSendEventsProvider() {
long ret = bindings.ChannelManager_as_MessageSendEventsProvider(this.ptr);
+ if (ret < 1024) { return null; }
MessageSendEventsProvider ret_hu_conv = new MessageSendEventsProvider(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public EventsProvider as_EventsProvider() {
long ret = bindings.ChannelManager_as_EventsProvider(this.ptr);
+ if (ret < 1024) { return null; }
EventsProvider ret_hu_conv = new EventsProvider(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public Listen as_Listen() {
long ret = bindings.ChannelManager_as_Listen(this.ptr);
+ if (ret < 1024) { return null; }
Listen ret_hu_conv = new Listen(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public Confirm as_Confirm() {
long ret = bindings.ChannelManager_as_Confirm(this.ptr);
+ if (ret < 1024) { return null; }
Confirm ret_hu_conv = new Confirm(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public BestBlock current_best_block() {
long ret = bindings.ChannelManager_current_best_block(this.ptr);
+ if (ret < 1024) { return null; }
BestBlock ret_hu_conv = new BestBlock(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;
*/
public ChannelMessageHandler as_ChannelMessageHandler() {
long ret = bindings.ChannelManager_as_ChannelMessageHandler(this.ptr);
+ if (ret < 1024) { return null; }
ChannelMessageHandler ret_hu_conv = new ChannelMessageHandler(null, ret);
ret_hu_conv.ptrs_to.add(this);
return ret_hu_conv;