* our state failed, but is expected to succeed at some point in the future).
*
* Such a failure will \"freeze\" a channel, preventing us from revoking old states or
- * submitting new commitment transactions to the counterparty. Once the update(s) which failed
- * have been successfully applied, ChannelManager::channel_monitor_updated can be used to
- * restore the channel to an operational state.
+ * submitting new commitment transactions to the counterparty. Once the update(s) that failed
+ * have been successfully applied, a [`MonitorEvent::UpdateCompleted`] event should be returned
+ * via [`Watch::release_pending_monitor_events`] which will then restore the channel to an
+ * operational state.
*
* Note that a given ChannelManager will *never* re-generate a given ChannelMonitorUpdate. If
* you return a TemporaryFailure you must ensure that it is written to disk safely before
* the channel which would invalidate previous ChannelMonitors are not made when a channel has
* been \"frozen\".
*
- * Note that even if updates made after TemporaryFailure succeed you must still call
- * channel_monitor_updated to ensure you have the latest monitor and re-enable normal channel
- * operation.
+ * Note that even if updates made after TemporaryFailure succeed you must still provide a
+ * [`MonitorEvent::UpdateCompleted`] to ensure you have the latest monitor and re-enable
+ * normal channel operation. Note that this is normally generated through a call to
+ * [`ChainMonitor::channel_monitor_updated`].
*
- * Note that the update being processed here will not be replayed for you when you call
- * ChannelManager::channel_monitor_updated, so you must store the update itself along
- * with the persisted ChannelMonitor on your own local disk prior to returning a
+ * Note that the update being processed here will not be replayed for you when you return a
+ * [`MonitorEvent::UpdateCompleted`] event via [`Watch::release_pending_monitor_events`], so
+ * you must store the update itself on your own local disk prior to returning a
* TemporaryFailure. You may, of course, employ a journaling approach, storing only the
* ChannelMonitorUpdate on disk without updating the monitor itself, replaying the journal at
* reload-time.
* For deployments where a copy of ChannelMonitors and other local state are backed up in a
* remote location (with local copies persisted immediately), it is anticipated that all
* updates will return TemporaryFailure until the remote copies could be updated.
+ *
+ * [`ChainMonitor::channel_monitor_updated`]: chainmonitor::ChainMonitor::channel_monitor_updated
*/
LDKChannelMonitorUpdateErr_TemporaryFailure,
/**
bool result_ok;
} LDKCResult_RouteDecodeErrorZ;
+
+
+/**
+ * Parameters needed to find a [`Route`] for paying a [`Payee`].
+ *
+ * Passed to [`find_route`] and also provided in [`Event::PaymentPathFailed`] for retrying a failed
+ * payment path.
+ *
+ * [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
+ */
+typedef struct MUST_USE_STRUCT LDKRouteParameters {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeRouteParameters *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKRouteParameters;
+
+/**
+ * The contents of CResult_RouteParametersDecodeErrorZ
+ */
+typedef union LDKCResult_RouteParametersDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKRouteParameters *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_RouteParametersDecodeErrorZPtr;
+
+/**
+ * A CResult_RouteParametersDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::router::RouteParameters on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_RouteParametersDecodeErrorZ {
+ /**
+ * The contents of this CResult_RouteParametersDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_RouteParametersDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_RouteParametersDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_RouteParametersDecodeErrorZ;
+
+
+
+/**
+ * A list of hops along a payment path terminating with a channel to the recipient.
+ */
+typedef struct MUST_USE_STRUCT LDKRouteHint {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeRouteHint *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKRouteHint;
+
+/**
+ * A dynamically-allocated array of crate::lightning::routing::router::RouteHints of arbitrary size.
+ * This corresponds to std::vector in C++
+ */
+typedef struct LDKCVec_RouteHintZ {
+ /**
+ * The elements in the array.
+ * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
+ */
+ struct LDKRouteHint *data;
+ /**
+ * The number of elements pointed to by `data`.
+ */
+ uintptr_t datalen;
+} LDKCVec_RouteHintZ;
+
/**
* An enum which can either contain a u64 or not
*/
/**
- * Details of a channel, as returned by ChannelManager::list_channels and ChannelManager::list_usable_channels
+ * The recipient of a payment.
*/
-typedef struct MUST_USE_STRUCT LDKChannelDetails {
+typedef struct MUST_USE_STRUCT LDKPayee {
/**
* A pointer to the opaque Rust object.
* Nearly everywhere, inner must be non-null, however in places where
* the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- LDKnativeChannelDetails *inner;
+ LDKnativePayee *inner;
/**
* Indicates that this is the only struct which contains the same pointer.
* Rust functions which take ownership of an object provided via an argument require
* this to be true and invalidate the object pointed to by inner.
*/
bool is_owned;
-} LDKChannelDetails;
+} LDKPayee;
/**
- * A dynamically-allocated array of crate::lightning::ln::channelmanager::ChannelDetailss of arbitrary size.
+ * The contents of CResult_PayeeDecodeErrorZ
+ */
+typedef union LDKCResult_PayeeDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKPayee *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_PayeeDecodeErrorZPtr;
+
+/**
+ * A CResult_PayeeDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::router::Payee on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_PayeeDecodeErrorZ {
+ /**
+ * The contents of this CResult_PayeeDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_PayeeDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_PayeeDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_PayeeDecodeErrorZ;
+
+
+
+/**
+ * A channel descriptor for a hop along a payment path.
+ */
+typedef struct MUST_USE_STRUCT LDKRouteHintHop {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeRouteHintHop *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKRouteHintHop;
+
+/**
+ * A dynamically-allocated array of crate::lightning::routing::router::RouteHintHops of arbitrary size.
* This corresponds to std::vector in C++
*/
-typedef struct LDKCVec_ChannelDetailsZ {
+typedef struct LDKCVec_RouteHintHopZ {
/**
* The elements in the array.
* If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
*/
- struct LDKChannelDetails *data;
+ struct LDKRouteHintHop *data;
/**
* The number of elements pointed to by `data`.
*/
uintptr_t datalen;
-} LDKCVec_ChannelDetailsZ;
+} LDKCVec_RouteHintHopZ;
+
+/**
+ * The contents of CResult_RouteHintDecodeErrorZ
+ */
+typedef union LDKCResult_RouteHintDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKRouteHint *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_RouteHintDecodeErrorZPtr;
+/**
+ * A CResult_RouteHintDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::router::RouteHint on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_RouteHintDecodeErrorZ {
+ /**
+ * The contents of this CResult_RouteHintDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_RouteHintDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_RouteHintDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_RouteHintDecodeErrorZ;
+/**
+ * The contents of CResult_RouteHintHopDecodeErrorZ
+ */
+typedef union LDKCResult_RouteHintHopDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKRouteHintHop *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_RouteHintHopDecodeErrorZPtr;
/**
- * A list of hops along a payment path terminating with a channel to the recipient.
+ * A CResult_RouteHintHopDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::router::RouteHintHop on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
*/
-typedef struct MUST_USE_STRUCT LDKRouteHint {
+typedef struct LDKCResult_RouteHintHopDecodeErrorZ {
+ /**
+ * The contents of this CResult_RouteHintHopDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_RouteHintHopDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_RouteHintHopDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_RouteHintHopDecodeErrorZ;
+
+
+
+/**
+ * Details of a channel, as returned by ChannelManager::list_channels and ChannelManager::list_usable_channels
+ */
+typedef struct MUST_USE_STRUCT LDKChannelDetails {
/**
* A pointer to the opaque Rust object.
* Nearly everywhere, inner must be non-null, however in places where
* the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- LDKnativeRouteHint *inner;
+ LDKnativeChannelDetails *inner;
/**
* Indicates that this is the only struct which contains the same pointer.
* Rust functions which take ownership of an object provided via an argument require
* this to be true and invalidate the object pointed to by inner.
*/
bool is_owned;
-} LDKRouteHint;
+} LDKChannelDetails;
/**
- * A dynamically-allocated array of crate::lightning::routing::router::RouteHints of arbitrary size.
+ * A dynamically-allocated array of crate::lightning::ln::channelmanager::ChannelDetailss of arbitrary size.
* This corresponds to std::vector in C++
*/
-typedef struct LDKCVec_RouteHintZ {
+typedef struct LDKCVec_ChannelDetailsZ {
/**
* The elements in the array.
* If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc().
*/
- struct LDKRouteHint *data;
+ struct LDKChannelDetails *data;
/**
* The number of elements pointed to by `data`.
*/
uintptr_t datalen;
-} LDKCVec_RouteHintZ;
+} LDKCVec_ChannelDetailsZ;
* A monitor event that the Channel's commitment transaction was confirmed.
*/
LDKMonitorEvent_CommitmentTxConfirmed,
+ /**
+ * Indicates a [`ChannelMonitor`] update has completed. See
+ * [`ChannelMonitorUpdateErr::TemporaryFailure`] for more information on how this is used.
+ *
+ * [`ChannelMonitorUpdateErr::TemporaryFailure`]: super::ChannelMonitorUpdateErr::TemporaryFailure
+ */
+ LDKMonitorEvent_UpdateCompleted,
+ /**
+ * Indicates a [`ChannelMonitor`] update has failed. See
+ * [`ChannelMonitorUpdateErr::PermanentFailure`] for more information on how this is used.
+ *
+ * [`ChannelMonitorUpdateErr::PermanentFailure`]: super::ChannelMonitorUpdateErr::PermanentFailure
+ */
+ LDKMonitorEvent_UpdateFailed,
/**
* Must be last for serialization purposes
*/
LDKMonitorEvent_Sentinel,
} LDKMonitorEvent_Tag;
+typedef struct LDKMonitorEvent_LDKUpdateCompleted_Body {
+ /**
+ * The funding outpoint of the [`ChannelMonitor`] that was updated
+ */
+ struct LDKOutPoint funding_txo;
+ /**
+ * The Update ID from [`ChannelMonitorUpdate::update_id`] which was applied or
+ * [`ChannelMonitor::get_latest_update_id`].
+ *
+ * Note that this should only be set to a given update's ID if all previous updates for the
+ * same [`ChannelMonitor`] have been applied and persisted.
+ */
+ uint64_t monitor_update_id;
+} LDKMonitorEvent_LDKUpdateCompleted_Body;
+
typedef struct MUST_USE_STRUCT LDKMonitorEvent {
LDKMonitorEvent_Tag tag;
union {
struct {
struct LDKOutPoint commitment_tx_confirmed;
};
+ LDKMonitorEvent_LDKUpdateCompleted_Body update_completed;
+ struct {
+ struct LDKOutPoint update_failed;
+ };
};
} LDKMonitorEvent;
bool result_ok;
} LDKCResult_InvoiceFeaturesDecodeErrorZ;
-/**
- * The contents of CResult_DelayedPaymentOutputDescriptorDecodeErrorZ
- */
-typedef union LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZPtr {
- /**
- * A pointer to the contents in the success state.
- * Reading from this pointer when `result_ok` is not set is undefined.
- */
- struct LDKDelayedPaymentOutputDescriptor *result;
- /**
- * A pointer to the contents in the error state.
- * Reading from this pointer when `result_ok` is set is undefined.
- */
- struct LDKDecodeError *err;
-} LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZPtr;
+
/**
- * A CResult_DelayedPaymentOutputDescriptorDecodeErrorZ represents the result of a fallible operation,
- * containing a crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor on success and a crate::lightning::ln::msgs::DecodeError on failure.
- * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ * Parameters for configuring [`Scorer`].
*/
-typedef struct LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ {
+typedef struct MUST_USE_STRUCT LDKScoringParameters {
/**
- * The contents of this CResult_DelayedPaymentOutputDescriptorDecodeErrorZ, accessible via either
- * `err` or `result` depending on the state of `result_ok`.
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- union LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZPtr contents;
+ LDKnativeScoringParameters *inner;
/**
- * Whether this CResult_DelayedPaymentOutputDescriptorDecodeErrorZ represents a success state.
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
*/
- bool result_ok;
-} LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ;
+ bool is_owned;
+} LDKScoringParameters;
/**
- * The contents of CResult_StaticPaymentOutputDescriptorDecodeErrorZ
+ * The contents of CResult_ScoringParametersDecodeErrorZ
*/
-typedef union LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZPtr {
+typedef union LDKCResult_ScoringParametersDecodeErrorZPtr {
/**
* A pointer to the contents in the success state.
* Reading from this pointer when `result_ok` is not set is undefined.
*/
- struct LDKStaticPaymentOutputDescriptor *result;
+ struct LDKScoringParameters *result;
/**
* A pointer to the contents in the error state.
* Reading from this pointer when `result_ok` is set is undefined.
*/
struct LDKDecodeError *err;
-} LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZPtr;
+} LDKCResult_ScoringParametersDecodeErrorZPtr;
/**
- * A CResult_StaticPaymentOutputDescriptorDecodeErrorZ represents the result of a fallible operation,
- * containing a crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * A CResult_ScoringParametersDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::scorer::ScoringParameters on success and a crate::lightning::ln::msgs::DecodeError on failure.
* `result_ok` indicates the overall state, and the contents are provided via `contents`.
*/
-typedef struct LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ {
+typedef struct LDKCResult_ScoringParametersDecodeErrorZ {
/**
- * The contents of this CResult_StaticPaymentOutputDescriptorDecodeErrorZ, accessible via either
+ * The contents of this CResult_ScoringParametersDecodeErrorZ, accessible via either
* `err` or `result` depending on the state of `result_ok`.
*/
- union LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZPtr contents;
+ union LDKCResult_ScoringParametersDecodeErrorZPtr contents;
/**
- * Whether this CResult_StaticPaymentOutputDescriptorDecodeErrorZ represents a success state.
+ * Whether this CResult_ScoringParametersDecodeErrorZ represents a success state.
*/
bool result_ok;
-} LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ;
+} LDKCResult_ScoringParametersDecodeErrorZ;
+
+
/**
- * The contents of CResult_SpendableOutputDescriptorDecodeErrorZ
+ * [`routing::Score`] implementation that provides reasonable default behavior.
+ *
+ * Used to apply a fixed penalty to each channel, thus avoiding long paths when shorter paths with
+ * slightly higher fees are available. Will further penalize channels that fail to relay payments.
+ *
+ * See [module-level documentation] for usage.
+ *
+ * [module-level documentation]: crate::routing::scorer
*/
-typedef union LDKCResult_SpendableOutputDescriptorDecodeErrorZPtr {
+typedef struct MUST_USE_STRUCT LDKScorer {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeScorer *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKScorer;
+
+/**
+ * The contents of CResult_ScorerDecodeErrorZ
+ */
+typedef union LDKCResult_ScorerDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKScorer *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_ScorerDecodeErrorZPtr;
+
+/**
+ * A CResult_ScorerDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::routing::scorer::Scorer on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_ScorerDecodeErrorZ {
+ /**
+ * The contents of this CResult_ScorerDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_ScorerDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_ScorerDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_ScorerDecodeErrorZ;
+
+/**
+ * The contents of CResult_DelayedPaymentOutputDescriptorDecodeErrorZ
+ */
+typedef union LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKDelayedPaymentOutputDescriptor *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZPtr;
+
+/**
+ * A CResult_DelayedPaymentOutputDescriptorDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::chain::keysinterface::DelayedPaymentOutputDescriptor on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ {
+ /**
+ * The contents of this CResult_DelayedPaymentOutputDescriptorDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_DelayedPaymentOutputDescriptorDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_DelayedPaymentOutputDescriptorDecodeErrorZ;
+
+/**
+ * The contents of CResult_StaticPaymentOutputDescriptorDecodeErrorZ
+ */
+typedef union LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKStaticPaymentOutputDescriptor *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKDecodeError *err;
+} LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZPtr;
+
+/**
+ * A CResult_StaticPaymentOutputDescriptorDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::chain::keysinterface::StaticPaymentOutputDescriptor on success and a crate::lightning::ln::msgs::DecodeError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ {
+ /**
+ * The contents of this CResult_StaticPaymentOutputDescriptorDecodeErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZPtr contents;
+ /**
+ * Whether this CResult_StaticPaymentOutputDescriptorDecodeErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_StaticPaymentOutputDescriptorDecodeErrorZ;
+
+/**
+ * The contents of CResult_SpendableOutputDescriptorDecodeErrorZ
+ */
+typedef union LDKCResult_SpendableOutputDescriptorDecodeErrorZPtr {
/**
* A pointer to the contents in the success state.
* Reading from this pointer when `result_ok` is not set is undefined.
bool result_ok;
} LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ;
-
-
-/**
- * A payment identifier used to uniquely identify a payment to LDK.
- */
-typedef struct MUST_USE_STRUCT LDKPaymentId {
- /**
- * A pointer to the opaque Rust object.
- * Nearly everywhere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativePaymentId *inner;
- /**
- * Indicates that this is the only struct which contains the same pointer.
- * Rust functions which take ownership of an object provided via an argument require
- * this to be true and invalidate the object pointed to by inner.
- */
- bool is_owned;
-} LDKPaymentId;
-
-/**
- * The contents of CResult_PaymentIdDecodeErrorZ
- */
-typedef union LDKCResult_PaymentIdDecodeErrorZPtr {
- /**
- * A pointer to the contents in the success state.
- * Reading from this pointer when `result_ok` is not set is undefined.
- */
- struct LDKPaymentId *result;
- /**
- * A pointer to the contents in the error state.
- * Reading from this pointer when `result_ok` is set is undefined.
- */
- struct LDKDecodeError *err;
-} LDKCResult_PaymentIdDecodeErrorZPtr;
-
-/**
- * A CResult_PaymentIdDecodeErrorZ represents the result of a fallible operation,
- * containing a crate::lightning::ln::channelmanager::PaymentId on success and a crate::lightning::ln::msgs::DecodeError on failure.
- * `result_ok` indicates the overall state, and the contents are provided via `contents`.
- */
-typedef struct LDKCResult_PaymentIdDecodeErrorZ {
- /**
- * The contents of this CResult_PaymentIdDecodeErrorZ, accessible via either
- * `err` or `result` depending on the state of `result_ok`.
- */
- union LDKCResult_PaymentIdDecodeErrorZPtr contents;
- /**
- * Whether this CResult_PaymentIdDecodeErrorZ represents a success state.
- */
- bool result_ok;
-} LDKCResult_PaymentIdDecodeErrorZ;
-
/**
* An enum which can either contain a u16 or not
*/
LDKPaymentSendFailure_Sentinel,
} LDKPaymentSendFailure_Tag;
+typedef struct LDKPaymentSendFailure_LDKPartialFailure_Body {
+ /**
+ * The errors themselves, in the same order as the route hops.
+ */
+ struct LDKCVec_CResult_NoneAPIErrorZZ results;
+ /**
+ * If some paths failed without irrevocably committing to the new HTLC(s), this will
+ * contain a [`RouteParameters`] object which can be used to calculate a new route that
+ * will pay all remaining unpaid balance.
+ *
+ * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKRouteParameters failed_paths_retry;
+ /**
+ * The payment id for the payment, which is now at least partially pending.
+ */
+ struct LDKThirtyTwoBytes payment_id;
+} LDKPaymentSendFailure_LDKPartialFailure_Body;
+
typedef struct MUST_USE_STRUCT LDKPaymentSendFailure {
LDKPaymentSendFailure_Tag tag;
union {
struct {
struct LDKCVec_APIErrorZ all_failed_retry_safe;
};
- struct {
- struct LDKCVec_CResult_NoneAPIErrorZZ partial_failure;
- };
+ LDKPaymentSendFailure_LDKPartialFailure_Body partial_failure;
};
} LDKPaymentSendFailure;
* A pointer to the contents in the success state.
* Reading from this pointer when `result_ok` is not set is undefined.
*/
- struct LDKPaymentId *result;
+ struct LDKThirtyTwoBytes *result;
/**
* A pointer to the contents in the error state.
* Reading from this pointer when `result_ok` is set is undefined.
/**
* A CResult_PaymentIdPaymentSendFailureZ represents the result of a fallible operation,
- * containing a crate::lightning::ln::channelmanager::PaymentId on success and a crate::lightning::ln::channelmanager::PaymentSendFailure on failure.
+ * containing a crate::c_types::ThirtyTwoBytes on success and a crate::lightning::ln::channelmanager::PaymentSendFailure on failure.
* `result_ok` indicates the overall state, and the contents are provided via `contents`.
*/
typedef struct LDKCResult_PaymentIdPaymentSendFailureZ {
/**
* The element at position 1
*/
- struct LDKPaymentId b;
+ struct LDKThirtyTwoBytes b;
} LDKC2Tuple_PaymentHashPaymentIdZ;
/**
/**
* Returns any monitor events since the last call. Subsequent calls must only return new
* events.
+ *
+ * Note that after any block- or transaction-connection calls to a [`ChannelMonitor`], no
+ * further events may be returned here until the [`ChannelMonitor`] has been fully persisted
+ * to disk.
+ *
+ * For details on asynchronous [`ChannelMonitor`] updating and returning
+ * [`MonitorEvent::UpdateCompleted`] here, see [`ChannelMonitorUpdateErr::TemporaryFailure`].
*/
struct LDKCVec_MonitorEventZ (*release_pending_monitor_events)(const void *this_arg);
/**
bool result_ok;
} LDKCResult_COption_TypeZDecodeErrorZ;
+/**
+ * An error that may occur when making a payment.
+ */
+typedef enum LDKPaymentError_Tag {
+ /**
+ * An error resulting from the provided [`Invoice`] or payment hash.
+ */
+ LDKPaymentError_Invoice,
+ /**
+ * An error occurring when finding a route.
+ */
+ LDKPaymentError_Routing,
+ /**
+ * An error occurring when sending a payment.
+ */
+ LDKPaymentError_Sending,
+ /**
+ * Must be last for serialization purposes
+ */
+ LDKPaymentError_Sentinel,
+} LDKPaymentError_Tag;
+
+typedef struct MUST_USE_STRUCT LDKPaymentError {
+ LDKPaymentError_Tag tag;
+ union {
+ struct {
+ struct LDKStr invoice;
+ };
+ struct {
+ struct LDKLightningError routing;
+ };
+ struct {
+ struct LDKPaymentSendFailure sending;
+ };
+ };
+} LDKPaymentError;
+
+/**
+ * The contents of CResult_PaymentIdPaymentErrorZ
+ */
+typedef union LDKCResult_PaymentIdPaymentErrorZPtr {
+ /**
+ * A pointer to the contents in the success state.
+ * Reading from this pointer when `result_ok` is not set is undefined.
+ */
+ struct LDKThirtyTwoBytes *result;
+ /**
+ * A pointer to the contents in the error state.
+ * Reading from this pointer when `result_ok` is set is undefined.
+ */
+ struct LDKPaymentError *err;
+} LDKCResult_PaymentIdPaymentErrorZPtr;
+
+/**
+ * A CResult_PaymentIdPaymentErrorZ represents the result of a fallible operation,
+ * containing a crate::c_types::ThirtyTwoBytes on success and a crate::lightning_invoice::payment::PaymentError on failure.
+ * `result_ok` indicates the overall state, and the contents are provided via `contents`.
+ */
+typedef struct LDKCResult_PaymentIdPaymentErrorZ {
+ /**
+ * The contents of this CResult_PaymentIdPaymentErrorZ, accessible via either
+ * `err` or `result` depending on the state of `result_ok`.
+ */
+ union LDKCResult_PaymentIdPaymentErrorZPtr contents;
+ /**
+ * Whether this CResult_PaymentIdPaymentErrorZ represents a success state.
+ */
+ bool result_ok;
+} LDKCResult_PaymentIdPaymentErrorZ;
+
/**
* The contents of CResult_SiPrefixNoneZ
*/
} LDKEvent_LDKPaymentReceived_Body;
typedef struct LDKEvent_LDKPaymentSent_Body {
+ /**
+ * The id returned by [`ChannelManager::send_payment`] and used with
+ * [`ChannelManager::retry_payment`].
+ *
+ * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
+ * [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment
+ *
+ * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKThirtyTwoBytes payment_id;
/**
* The preimage to the hash given to ChannelManager::send_payment.
* Note that this serves as a payment receipt, if you wish to have such a thing, you must
* [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
*/
struct LDKThirtyTwoBytes payment_hash;
+ /**
+ * The total fee which was spent at intermediate hops in this payment, across all paths.
+ *
+ * Note that, like [`Route::get_total_fees`] this does *not* include any potential
+ * overpayment to the recipient node.
+ *
+ * If the recipient or an intermediate node misbehaves and gives us free money, this may
+ * overstate the amount paid, though this is unlikely.
+ *
+ * [`Route::get_total_fees`]: crate::routing::router::Route::get_total_fees
+ */
+ struct LDKCOption_u64Z fee_paid_msat;
} LDKEvent_LDKPaymentSent_Body;
typedef struct LDKEvent_LDKPaymentPathFailed_Body {
+ /**
+ * The id returned by [`ChannelManager::send_payment`] and used with
+ * [`ChannelManager::retry_payment`].
+ *
+ * [`ChannelManager::send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment
+ * [`ChannelManager::retry_payment`]: crate::ln::channelmanager::ChannelManager::retry_payment
+ *
+ * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKThirtyTwoBytes payment_id;
/**
* The hash which was given to ChannelManager::send_payment.
*/
* retried. May be `None` for older [`Event`] serializations.
*/
struct LDKCOption_u64Z short_channel_id;
+ /**
+ * Parameters needed to compute a new [`Route`] when retrying the failed payment path.
+ *
+ * See [`find_route`] for details.
+ *
+ * [`Route`]: crate::routing::router::Route
+ * [`find_route`]: crate::routing::router::find_route
+ *
+ * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKRouteParameters retry;
} LDKEvent_LDKPaymentPathFailed_Body;
typedef struct LDKEvent_LDKPendingHTLCsForwardable_Body {
} LDKCOption_CVec_NetAddressZZ;
/**
- * The contents of CResult_NetAddressu8Z
+ * The contents of CResult_NetAddressDecodeErrorZ
*/
-typedef union LDKCResult_NetAddressu8ZPtr {
+typedef union LDKCResult_NetAddressDecodeErrorZPtr {
/**
* A pointer to the contents in the success state.
* Reading from this pointer when `result_ok` is not set is undefined.
* A pointer to the contents in the error state.
* Reading from this pointer when `result_ok` is set is undefined.
*/
- uint8_t *err;
-} LDKCResult_NetAddressu8ZPtr;
+ struct LDKDecodeError *err;
+} LDKCResult_NetAddressDecodeErrorZPtr;
/**
- * A CResult_NetAddressu8Z represents the result of a fallible operation,
- * containing a crate::lightning::ln::msgs::NetAddress on success and a u8 on failure.
+ * A CResult_NetAddressDecodeErrorZ represents the result of a fallible operation,
+ * containing a crate::lightning::ln::msgs::NetAddress on success and a crate::lightning::ln::msgs::DecodeError on failure.
* `result_ok` indicates the overall state, and the contents are provided via `contents`.
*/
-typedef struct LDKCResult_NetAddressu8Z {
+typedef struct LDKCResult_NetAddressDecodeErrorZ {
/**
- * The contents of this CResult_NetAddressu8Z, accessible via either
+ * The contents of this CResult_NetAddressDecodeErrorZ, accessible via either
* `err` or `result` depending on the state of `result_ok`.
*/
- union LDKCResult_NetAddressu8ZPtr contents;
+ union LDKCResult_NetAddressDecodeErrorZPtr contents;
/**
- * Whether this CResult_NetAddressu8Z represents a success state.
+ * Whether this CResult_NetAddressDecodeErrorZ represents a success state.
*/
bool result_ok;
-} LDKCResult_NetAddressu8Z;
+} LDKCResult_NetAddressDecodeErrorZ;
+
+
/**
- * The contents of CResult_CResult_NetAddressu8ZDecodeErrorZ
+ * An update_add_htlc message to be sent or received from a peer
*/
-typedef union LDKCResult_CResult_NetAddressu8ZDecodeErrorZPtr {
+typedef struct MUST_USE_STRUCT LDKUpdateAddHTLC {
/**
- * A pointer to the contents in the success state.
- * Reading from this pointer when `result_ok` is not set is undefined.
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- struct LDKCResult_NetAddressu8Z *result;
+ LDKnativeUpdateAddHTLC *inner;
/**
- * A pointer to the contents in the error state.
- * Reading from this pointer when `result_ok` is set is undefined.
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
*/
- struct LDKDecodeError *err;
-} LDKCResult_CResult_NetAddressu8ZDecodeErrorZPtr;
-
-/**
- * A CResult_CResult_NetAddressu8ZDecodeErrorZ represents the result of a fallible operation,
- * containing a crate::c_types::derived::CResult_NetAddressu8Z on success and a crate::lightning::ln::msgs::DecodeError on failure.
- * `result_ok` indicates the overall state, and the contents are provided via `contents`.
- */
-typedef struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ {
- /**
- * The contents of this CResult_CResult_NetAddressu8ZDecodeErrorZ, accessible via either
- * `err` or `result` depending on the state of `result_ok`.
- */
- union LDKCResult_CResult_NetAddressu8ZDecodeErrorZPtr contents;
- /**
- * Whether this CResult_CResult_NetAddressu8ZDecodeErrorZ represents a success state.
- */
- bool result_ok;
-} LDKCResult_CResult_NetAddressu8ZDecodeErrorZ;
-
-/**
- * The contents of CResult_NetAddressDecodeErrorZ
- */
-typedef union LDKCResult_NetAddressDecodeErrorZPtr {
- /**
- * A pointer to the contents in the success state.
- * Reading from this pointer when `result_ok` is not set is undefined.
- */
- struct LDKNetAddress *result;
- /**
- * A pointer to the contents in the error state.
- * Reading from this pointer when `result_ok` is set is undefined.
- */
- struct LDKDecodeError *err;
-} LDKCResult_NetAddressDecodeErrorZPtr;
-
-/**
- * A CResult_NetAddressDecodeErrorZ represents the result of a fallible operation,
- * containing a crate::lightning::ln::msgs::NetAddress on success and a crate::lightning::ln::msgs::DecodeError on failure.
- * `result_ok` indicates the overall state, and the contents are provided via `contents`.
- */
-typedef struct LDKCResult_NetAddressDecodeErrorZ {
- /**
- * The contents of this CResult_NetAddressDecodeErrorZ, accessible via either
- * `err` or `result` depending on the state of `result_ok`.
- */
- union LDKCResult_NetAddressDecodeErrorZPtr contents;
- /**
- * Whether this CResult_NetAddressDecodeErrorZ represents a success state.
- */
- bool result_ok;
-} LDKCResult_NetAddressDecodeErrorZ;
-
-
-
-/**
- * An update_add_htlc message to be sent or received from a peer
- */
-typedef struct MUST_USE_STRUCT LDKUpdateAddHTLC {
- /**
- * A pointer to the opaque Rust object.
- * Nearly everywhere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeUpdateAddHTLC *inner;
- /**
- * Indicates that this is the only struct which contains the same pointer.
- * Rust functions which take ownership of an object provided via an argument require
- * this to be true and invalidate the object pointed to by inner.
- */
- bool is_owned;
-} LDKUpdateAddHTLC;
+ bool is_owned;
+} LDKUpdateAddHTLC;
/**
* A dynamically-allocated array of crate::lightning::ln::msgs::UpdateAddHTLCs of arbitrary size.
void (*free)(void *this_arg);
} LDKConfirm;
+
+
+/**
+ * An opaque identifier describing a specific [`Persist`] method call.
+ */
+typedef struct MUST_USE_STRUCT LDKMonitorUpdateId {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeMonitorUpdateId *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKMonitorUpdateId;
+
/**
* `Persist` defines behavior for persisting channel monitors: this could mean
* writing once to disk, and/or uploading to one or more backup services.
*
- * Note that for every new monitor, you **must** persist the new `ChannelMonitor`
- * to disk/backups. And, on every update, you **must** persist either the
- * `ChannelMonitorUpdate` or the updated monitor itself. Otherwise, there is risk
- * of situations such as revoking a transaction, then crashing before this
- * revocation can be persisted, then unintentionally broadcasting a revoked
- * transaction and losing money. This is a risk because previous channel states
- * are toxic, so it's important that whatever channel state is persisted is
- * kept up-to-date.
+ * Each method can return three possible values:
+ * * If persistence (including any relevant `fsync()` calls) happens immediately, the
+ * implementation should return `Ok(())`, indicating normal channel operation should continue.
+ * * If persistence happens asynchronously, implementations should first ensure the
+ * [`ChannelMonitor`] or [`ChannelMonitorUpdate`] are written durably to disk, and then return
+ * `Err(ChannelMonitorUpdateErr::TemporaryFailure)` while the update continues in the
+ * background. Once the update completes, [`ChainMonitor::channel_monitor_updated`] should be
+ * called with the corresponding [`MonitorUpdateId`].
+ *
+ * Note that unlike the direct [`chain::Watch`] interface,
+ * [`ChainMonitor::channel_monitor_updated`] must be called once for *each* update which occurs.
+ *
+ * * If persistence fails for some reason, implementations should return
+ * `Err(ChannelMonitorUpdateErr::PermanentFailure)`, in which case the channel will likely be
+ * closed without broadcasting the latest state. See
+ * [`ChannelMonitorUpdateErr::PermanentFailure`] for more details.
*/
typedef struct LDKPersist {
/**
*/
void *this_arg;
/**
- * Persist a new channel's data. The data can be stored any way you want, but
- * the identifier provided by Rust-Lightning is the channel's outpoint (and
- * it is up to you to maintain a correct mapping between the outpoint and the
- * stored channel data). Note that you **must** persist every new monitor to
- * disk. See the `Persist` trait documentation for more details.
+ * Persist a new channel's data in response to a [`chain::Watch::watch_channel`] call. This is
+ * called by [`ChannelManager`] for new channels, or may be called directly, e.g. on startup.
+ *
+ * The data can be stored any way you want, but the identifier provided by LDK is the
+ * channel's outpoint (and it is up to you to maintain a correct mapping between the outpoint
+ * and the stored channel data). Note that you **must** persist every new monitor to disk.
+ *
+ * The `update_id` is used to identify this call to [`ChainMonitor::channel_monitor_updated`],
+ * if you return [`ChannelMonitorUpdateErr::TemporaryFailure`].
*
* See [`Writeable::write`] on [`ChannelMonitor`] for writing out a `ChannelMonitor`
* and [`ChannelMonitorUpdateErr`] for requirements when returning errors.
*
+ * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
* [`Writeable::write`]: crate::util::ser::Writeable::write
*/
- struct LDKCResult_NoneChannelMonitorUpdateErrZ (*persist_new_channel)(const void *this_arg, struct LDKOutPoint id, const struct LDKChannelMonitor *NONNULL_PTR data);
+ struct LDKCResult_NoneChannelMonitorUpdateErrZ (*persist_new_channel)(const void *this_arg, struct LDKOutPoint channel_id, const struct LDKChannelMonitor *NONNULL_PTR data, struct LDKMonitorUpdateId update_id);
/**
- * Update one channel's data. The provided `ChannelMonitor` has already
- * applied the given update.
+ * Update one channel's data. The provided [`ChannelMonitor`] has already applied the given
+ * update.
+ *
+ * Note that on every update, you **must** persist either the [`ChannelMonitorUpdate`] or the
+ * updated monitor itself to disk/backups. See the [`Persist`] trait documentation for more
+ * details.
*
- * Note that on every update, you **must** persist either the
- * `ChannelMonitorUpdate` or the updated monitor itself to disk/backups. See
- * the `Persist` trait documentation for more details.
+ * During blockchain synchronization operations, this may be called with no
+ * [`ChannelMonitorUpdate`], in which case the full [`ChannelMonitor`] needs to be persisted.
+ * Note that after the full [`ChannelMonitor`] is persisted any previous
+ * [`ChannelMonitorUpdate`]s which were persisted should be discarded - they can no longer be
+ * applied to the persisted [`ChannelMonitor`] as they were already applied.
*
* If an implementer chooses to persist the updates only, they need to make
* sure that all the updates are applied to the `ChannelMonitors` *before*
* them in batches. The size of each monitor grows `O(number of state updates)`
* whereas updates are small and `O(1)`.
*
+ * The `update_id` is used to identify this call to [`ChainMonitor::channel_monitor_updated`],
+ * if you return [`ChannelMonitorUpdateErr::TemporaryFailure`].
+ *
* See [`Writeable::write`] on [`ChannelMonitor`] for writing out a `ChannelMonitor`,
* [`Writeable::write`] on [`ChannelMonitorUpdate`] for writing out an update, and
* [`ChannelMonitorUpdateErr`] for requirements when returning errors.
*
* [`Writeable::write`]: crate::util::ser::Writeable::write
+ *
+ * Note that update (or a relevant inner pointer) may be NULL or all-0s to represent None
*/
- struct LDKCResult_NoneChannelMonitorUpdateErrZ (*update_persisted_channel)(const void *this_arg, struct LDKOutPoint id, const struct LDKChannelMonitorUpdate *NONNULL_PTR update, const struct LDKChannelMonitor *NONNULL_PTR data);
+ struct LDKCResult_NoneChannelMonitorUpdateErrZ (*update_persisted_channel)(const void *this_arg, struct LDKOutPoint channel_id, const struct LDKChannelMonitorUpdate *NONNULL_PTR update, const struct LDKChannelMonitor *NONNULL_PTR data, struct LDKMonitorUpdateId update_id);
/**
* Frees any resources associated with this object given its this_arg pointer.
* Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
*
* At a high-level, the process for deserializing a ChannelManager and resuming normal operation
* is:
- * 1) Deserialize all stored ChannelMonitors.
- * 2) Deserialize the ChannelManager by filling in this struct and calling:
- * <(BlockHash, ChannelManager)>::read(reader, args)
- * This may result in closing some Channels if the ChannelMonitor is newer than the stored
- * ChannelManager state to ensure no loss of funds. Thus, transactions may be broadcasted.
- * 3) If you are not fetching full blocks, register all relevant ChannelMonitor outpoints the same
- * way you would handle a `chain::Filter` call using ChannelMonitor::get_outputs_to_watch() and
- * ChannelMonitor::get_funding_txo().
- * 4) Reconnect blocks on your ChannelMonitors.
- * 5) Disconnect/connect blocks on the ChannelManager.
- * 6) Move the ChannelMonitors into your local chain::Watch.
- *
- * Note that the ordering of #4-6 is not of importance, however all three must occur before you
- * call any other methods on the newly-deserialized ChannelManager.
+ * 1) Deserialize all stored [`ChannelMonitor`]s.
+ * 2) Deserialize the [`ChannelManager`] by filling in this struct and calling:
+ * `<(BlockHash, ChannelManager)>::read(reader, args)`
+ * This may result in closing some channels if the [`ChannelMonitor`] is newer than the stored
+ * [`ChannelManager`] state to ensure no loss of funds. Thus, transactions may be broadcasted.
+ * 3) If you are not fetching full blocks, register all relevant [`ChannelMonitor`] outpoints the
+ * same way you would handle a [`chain::Filter`] call using
+ * [`ChannelMonitor::get_outputs_to_watch`] and [`ChannelMonitor::get_funding_txo`].
+ * 4) Reconnect blocks on your [`ChannelMonitor`]s.
+ * 5) Disconnect/connect blocks on the [`ChannelManager`].
+ * 6) Re-persist the [`ChannelMonitor`]s to ensure the latest state is on disk.
+ * Note that if you're using a [`ChainMonitor`] for your [`chain::Watch`] implementation, you
+ * will likely accomplish this as a side-effect of calling [`chain::Watch::watch_channel`] in
+ * the next step.
+ * 7) Move the [`ChannelMonitor`]s into your local [`chain::Watch`]. If you're using a
+ * [`ChainMonitor`], this is done by calling [`chain::Watch::watch_channel`].
+ *
+ * Note that the ordering of #4-7 is not of importance, however all four must occur before you
+ * call any other methods on the newly-deserialized [`ChannelManager`].
*
* Note that because some channels may be closed during deserialization, it is critical that you
* always deserialize only the latest version of a ChannelManager and ChannelMonitors available to
* broadcast), and then later deserialize a newer version of the same ChannelManager (which will
* not force-close the same channels but consider them live), you may end up revoking a state for
* which you've already broadcasted the transaction.
+ *
+ * [`ChainMonitor`]: crate::chain::chainmonitor::ChainMonitor
*/
typedef struct MUST_USE_STRUCT LDKChannelManagerReadArgs {
/**
*/
void *this_arg;
/**
- * Returns the fee in msats willing to be paid to avoid routing through the given channel.
+ * Returns the fee in msats willing to be paid to avoid routing through the given channel
+ * in the direction from `source` to `target`.
*/
- uint64_t (*channel_penalty_msat)(const void *this_arg, uint64_t short_channel_id);
+ uint64_t (*channel_penalty_msat)(const void *this_arg, uint64_t short_channel_id, const struct LDKNodeId *NONNULL_PTR source, const struct LDKNodeId *NONNULL_PTR target);
/**
- * Frees any resources associated with this object given its this_arg pointer.
- * Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
+ * Handles updating channel penalties after failing to route through a channel.
*/
- void (*free)(void *this_arg);
-} LDKScore;
-
-
-
-/**
- * A read-only view of [`NetworkGraph`].
- */
-typedef struct MUST_USE_STRUCT LDKReadOnlyNetworkGraph {
+ void (*payment_path_failed)(void *this_arg, struct LDKCVec_RouteHopZ path, uint64_t short_channel_id);
/**
- * A pointer to the opaque Rust object.
- * Nearly everywhere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ * Serialize the object into a byte array
*/
- LDKnativeReadOnlyNetworkGraph *inner;
+ struct LDKCVec_u8Z (*write)(const void *this_arg);
/**
- * Indicates that this is the only struct which contains the same pointer.
- * Rust functions which take ownership of an object provided via an argument require
- * this to be true and invalidate the object pointed to by inner.
+ * Frees any resources associated with this object given its this_arg pointer.
+ * Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
*/
- bool is_owned;
-} LDKReadOnlyNetworkGraph;
+ void (*free)(void *this_arg);
+} LDKScore;
/**
- * Receives and validates network updates from peers,
- * stores authentic and relevant data as a network graph.
- * This network graph is then used for routing payments.
- * Provides interface to help with initial routing sync by
- * serving historical announcements.
+ * A scorer that is accessed under a lock.
*
- * Serves as an [`EventHandler`] for applying updates from [`Event::PaymentPathFailed`] to the
- * [`NetworkGraph`].
+ * Needed so that calls to [`Score::channel_penalty_msat`] in [`find_route`] can be made while
+ * having shared ownership of a scorer but without requiring internal locking in [`Score`]
+ * implementations. Internal locking would be detrimental to route finding performance and could
+ * result in [`Score::channel_penalty_msat`] returning a different value for the same channel.
+ *
+ * [`find_route`]: crate::routing::router::find_route
*/
-typedef struct MUST_USE_STRUCT LDKNetGraphMsgHandler {
+typedef struct MUST_USE_STRUCT LDKLockableScore {
/**
* A pointer to the opaque Rust object.
* Nearly everywhere, inner must be non-null, however in places where
* the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- LDKnativeNetGraphMsgHandler *inner;
+ LDKnativeLockableScore *inner;
/**
* Indicates that this is the only struct which contains the same pointer.
* Rust functions which take ownership of an object provided via an argument require
* this to be true and invalidate the object pointed to by inner.
*/
bool is_owned;
-} LDKNetGraphMsgHandler;
+} LDKLockableScore;
/**
- * A channel descriptor for a hop along a payment path.
+ * A read-only view of [`NetworkGraph`].
*/
-typedef struct MUST_USE_STRUCT LDKRouteHintHop {
+typedef struct MUST_USE_STRUCT LDKReadOnlyNetworkGraph {
/**
* A pointer to the opaque Rust object.
* Nearly everywhere, inner must be non-null, however in places where
* the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- LDKnativeRouteHintHop *inner;
+ LDKnativeReadOnlyNetworkGraph *inner;
/**
* Indicates that this is the only struct which contains the same pointer.
* Rust functions which take ownership of an object provided via an argument require
* this to be true and invalidate the object pointed to by inner.
*/
bool is_owned;
-} LDKRouteHintHop;
+} LDKReadOnlyNetworkGraph;
/**
- * [`routing::Score`] implementation that provides reasonable default behavior.
- *
- * Used to apply a fixed penalty to each channel, thus avoiding long paths when shorter paths with
- * slightly higher fees are available.
- *
- * See [module-level documentation] for usage.
+ * Receives and validates network updates from peers,
+ * stores authentic and relevant data as a network graph.
+ * This network graph is then used for routing payments.
+ * Provides interface to help with initial routing sync by
+ * serving historical announcements.
*
- * [module-level documentation]: crate::routing::scorer
+ * Serves as an [`EventHandler`] for applying updates from [`Event::PaymentPathFailed`] to the
+ * [`NetworkGraph`].
*/
-typedef struct MUST_USE_STRUCT LDKScorer {
+typedef struct MUST_USE_STRUCT LDKNetGraphMsgHandler {
/**
* A pointer to the opaque Rust object.
* Nearly everywhere, inner must be non-null, however in places where
* the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- LDKnativeScorer *inner;
+ LDKnativeNetGraphMsgHandler *inner;
/**
* Indicates that this is the only struct which contains the same pointer.
* Rust functions which take ownership of an object provided via an argument require
* this to be true and invalidate the object pointed to by inner.
*/
bool is_owned;
-} LDKScorer;
+} LDKNetGraphMsgHandler;
};
} LDKFallback;
+/**
+ * A trait defining behavior of an [`Invoice`] payer.
+ */
+typedef struct LDKPayer {
+ /**
+ * An opaque pointer which is passed to your function implementations as an argument.
+ * This has no meaning in the LDK, and can be NULL or any other value.
+ */
+ void *this_arg;
+ /**
+ * Returns the payer's node id.
+ */
+ struct LDKPublicKey (*node_id)(const void *this_arg);
+ /**
+ * Returns the payer's channels.
+ */
+ struct LDKCVec_ChannelDetailsZ (*first_hops)(const void *this_arg);
+ /**
+ * Sends a payment over the Lightning Network using the given [`Route`].
+ *
+ * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKCResult_PaymentIdPaymentSendFailureZ (*send_payment)(const void *this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_hash, struct LDKThirtyTwoBytes payment_secret);
+ /**
+ * Retries a failed payment path for the [`PaymentId`] using the given [`Route`].
+ */
+ struct LDKCResult_NonePaymentSendFailureZ (*retry_payment)(const void *this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_id);
+ /**
+ * Frees any resources associated with this object given its this_arg pointer.
+ * Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
+ */
+ void (*free)(void *this_arg);
+} LDKPayer;
+
+/**
+ * A trait defining behavior for routing an [`Invoice`] payment.
+ */
+typedef struct LDKRouter {
+ /**
+ * An opaque pointer which is passed to your function implementations as an argument.
+ * This has no meaning in the LDK, and can be NULL or any other value.
+ */
+ void *this_arg;
+ /**
+ * Finds a [`Route`] between `payer` and `payee` for a payment with the given values.
+ *
+ * Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+ struct LDKCResult_RouteLightningErrorZ (*find_route)(const void *this_arg, struct LDKPublicKey payer, const struct LDKRouteParameters *NONNULL_PTR params, struct LDKCVec_ChannelDetailsZ *first_hops, const struct LDKScore *NONNULL_PTR scorer);
+ /**
+ * Frees any resources associated with this object given its this_arg pointer.
+ * Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed.
+ */
+ void (*free)(void *this_arg);
+} LDKRouter;
+
+
+
+/**
+ * A utility for paying [`Invoice]`s.
+ */
+typedef struct MUST_USE_STRUCT LDKInvoicePayer {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeInvoicePayer *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKInvoicePayer;
+
+
+
+/**
+ * Number of attempts to retry payment path failures for an [`Invoice`].
+ *
+ * Note that this is the number of *path* failures, not full payment retries. For multi-path
+ * payments, if this is less than the total number of paths, we will never even retry all of the
+ * payment's paths.
+ */
+typedef struct MUST_USE_STRUCT LDKRetryAttempts {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeRetryAttempts *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKRetryAttempts;
+
+
+
+/**
+ * A [`Router`] implemented using [`find_route`].
+ */
+typedef struct MUST_USE_STRUCT LDKDefaultRouter {
+ /**
+ * A pointer to the opaque Rust object.
+ * Nearly everywhere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeDefaultRouter *inner;
+ /**
+ * Indicates that this is the only struct which contains the same pointer.
+ * Rust functions which take ownership of an object provided via an argument require
+ * this to be true and invalidate the object pointed to by inner.
+ */
+ bool is_owned;
+} LDKDefaultRouter;
+
extern const uintptr_t MAX_BUF_SIZE;
extern const uint64_t MIN_RELAY_FEE_SAT_PER_1000_WEIGHT;
struct LDKCResult_RouteDecodeErrorZ CResult_RouteDecodeErrorZ_clone(const struct LDKCResult_RouteDecodeErrorZ *NONNULL_PTR orig);
/**
- * Constructs a new COption_u64Z containing a u64
+ * Creates a new CResult_RouteParametersDecodeErrorZ in the success state.
*/
-struct LDKCOption_u64Z COption_u64Z_some(uint64_t o);
+struct LDKCResult_RouteParametersDecodeErrorZ CResult_RouteParametersDecodeErrorZ_ok(struct LDKRouteParameters o);
/**
- * Constructs a new COption_u64Z containing nothing
+ * Creates a new CResult_RouteParametersDecodeErrorZ in the error state.
*/
-struct LDKCOption_u64Z COption_u64Z_none(void);
+struct LDKCResult_RouteParametersDecodeErrorZ CResult_RouteParametersDecodeErrorZ_err(struct LDKDecodeError e);
/**
- * Frees any resources associated with the u64, if we are in the Some state
+ * Frees any resources used by the CResult_RouteParametersDecodeErrorZ.
*/
-void COption_u64Z_free(struct LDKCOption_u64Z _res);
+void CResult_RouteParametersDecodeErrorZ_free(struct LDKCResult_RouteParametersDecodeErrorZ _res);
/**
- * Creates a new COption_u64Z which has the same data as `orig`
+ * Creates a new CResult_RouteParametersDecodeErrorZ which has the same data as `orig`
* but with all dynamically-allocated buffers duplicated in new buffers.
*/
-struct LDKCOption_u64Z COption_u64Z_clone(const struct LDKCOption_u64Z *NONNULL_PTR orig);
+struct LDKCResult_RouteParametersDecodeErrorZ CResult_RouteParametersDecodeErrorZ_clone(const struct LDKCResult_RouteParametersDecodeErrorZ *NONNULL_PTR orig);
/**
* Frees the buffer pointed to by `data` if `datalen` is non-0.
*/
-void CVec_ChannelDetailsZ_free(struct LDKCVec_ChannelDetailsZ _res);
+void CVec_RouteHintZ_free(struct LDKCVec_RouteHintZ _res);
/**
- * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ * Constructs a new COption_u64Z containing a u64
*/
-void CVec_RouteHintZ_free(struct LDKCVec_RouteHintZ _res);
+struct LDKCOption_u64Z COption_u64Z_some(uint64_t o);
/**
- * Creates a new CResult_RouteLightningErrorZ in the success state.
+ * Constructs a new COption_u64Z containing nothing
*/
-struct LDKCResult_RouteLightningErrorZ CResult_RouteLightningErrorZ_ok(struct LDKRoute o);
+struct LDKCOption_u64Z COption_u64Z_none(void);
+
+/**
+ * Frees any resources associated with the u64, if we are in the Some state
+ */
+void COption_u64Z_free(struct LDKCOption_u64Z _res);
+
+/**
+ * Creates a new COption_u64Z which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCOption_u64Z COption_u64Z_clone(const struct LDKCOption_u64Z *NONNULL_PTR orig);
+
+/**
+ * Creates a new CResult_PayeeDecodeErrorZ in the success state.
+ */
+struct LDKCResult_PayeeDecodeErrorZ CResult_PayeeDecodeErrorZ_ok(struct LDKPayee o);
+
+/**
+ * Creates a new CResult_PayeeDecodeErrorZ in the error state.
+ */
+struct LDKCResult_PayeeDecodeErrorZ CResult_PayeeDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Frees any resources used by the CResult_PayeeDecodeErrorZ.
+ */
+void CResult_PayeeDecodeErrorZ_free(struct LDKCResult_PayeeDecodeErrorZ _res);
+
+/**
+ * Creates a new CResult_PayeeDecodeErrorZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCResult_PayeeDecodeErrorZ CResult_PayeeDecodeErrorZ_clone(const struct LDKCResult_PayeeDecodeErrorZ *NONNULL_PTR orig);
+
+/**
+ * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ */
+void CVec_RouteHintHopZ_free(struct LDKCVec_RouteHintHopZ _res);
+
+/**
+ * Creates a new CResult_RouteHintDecodeErrorZ in the success state.
+ */
+struct LDKCResult_RouteHintDecodeErrorZ CResult_RouteHintDecodeErrorZ_ok(struct LDKRouteHint o);
+
+/**
+ * Creates a new CResult_RouteHintDecodeErrorZ in the error state.
+ */
+struct LDKCResult_RouteHintDecodeErrorZ CResult_RouteHintDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Frees any resources used by the CResult_RouteHintDecodeErrorZ.
+ */
+void CResult_RouteHintDecodeErrorZ_free(struct LDKCResult_RouteHintDecodeErrorZ _res);
+
+/**
+ * Creates a new CResult_RouteHintDecodeErrorZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCResult_RouteHintDecodeErrorZ CResult_RouteHintDecodeErrorZ_clone(const struct LDKCResult_RouteHintDecodeErrorZ *NONNULL_PTR orig);
+
+/**
+ * Creates a new CResult_RouteHintHopDecodeErrorZ in the success state.
+ */
+struct LDKCResult_RouteHintHopDecodeErrorZ CResult_RouteHintHopDecodeErrorZ_ok(struct LDKRouteHintHop o);
+
+/**
+ * Creates a new CResult_RouteHintHopDecodeErrorZ in the error state.
+ */
+struct LDKCResult_RouteHintHopDecodeErrorZ CResult_RouteHintHopDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Frees any resources used by the CResult_RouteHintHopDecodeErrorZ.
+ */
+void CResult_RouteHintHopDecodeErrorZ_free(struct LDKCResult_RouteHintHopDecodeErrorZ _res);
+
+/**
+ * Creates a new CResult_RouteHintHopDecodeErrorZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCResult_RouteHintHopDecodeErrorZ CResult_RouteHintHopDecodeErrorZ_clone(const struct LDKCResult_RouteHintHopDecodeErrorZ *NONNULL_PTR orig);
+
+/**
+ * Frees the buffer pointed to by `data` if `datalen` is non-0.
+ */
+void CVec_ChannelDetailsZ_free(struct LDKCVec_ChannelDetailsZ _res);
+
+/**
+ * Creates a new CResult_RouteLightningErrorZ in the success state.
+ */
+struct LDKCResult_RouteLightningErrorZ CResult_RouteLightningErrorZ_ok(struct LDKRoute o);
/**
* Creates a new CResult_RouteLightningErrorZ in the error state.
*/
void CResult_InvoiceFeaturesDecodeErrorZ_free(struct LDKCResult_InvoiceFeaturesDecodeErrorZ _res);
+/**
+ * Creates a new CResult_ScoringParametersDecodeErrorZ in the success state.
+ */
+struct LDKCResult_ScoringParametersDecodeErrorZ CResult_ScoringParametersDecodeErrorZ_ok(struct LDKScoringParameters o);
+
+/**
+ * Creates a new CResult_ScoringParametersDecodeErrorZ in the error state.
+ */
+struct LDKCResult_ScoringParametersDecodeErrorZ CResult_ScoringParametersDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Frees any resources used by the CResult_ScoringParametersDecodeErrorZ.
+ */
+void CResult_ScoringParametersDecodeErrorZ_free(struct LDKCResult_ScoringParametersDecodeErrorZ _res);
+
+/**
+ * Creates a new CResult_ScorerDecodeErrorZ in the success state.
+ */
+struct LDKCResult_ScorerDecodeErrorZ CResult_ScorerDecodeErrorZ_ok(struct LDKScorer o);
+
+/**
+ * Creates a new CResult_ScorerDecodeErrorZ in the error state.
+ */
+struct LDKCResult_ScorerDecodeErrorZ CResult_ScorerDecodeErrorZ_err(struct LDKDecodeError e);
+
+/**
+ * Frees any resources used by the CResult_ScorerDecodeErrorZ.
+ */
+void CResult_ScorerDecodeErrorZ_free(struct LDKCResult_ScorerDecodeErrorZ _res);
+
/**
* Creates a new CResult_DelayedPaymentOutputDescriptorDecodeErrorZ in the success state.
*/
*/
void CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(struct LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res);
-/**
- * Creates a new CResult_PaymentIdDecodeErrorZ in the success state.
- */
-struct LDKCResult_PaymentIdDecodeErrorZ CResult_PaymentIdDecodeErrorZ_ok(struct LDKPaymentId o);
-
-/**
- * Creates a new CResult_PaymentIdDecodeErrorZ in the error state.
- */
-struct LDKCResult_PaymentIdDecodeErrorZ CResult_PaymentIdDecodeErrorZ_err(struct LDKDecodeError e);
-
-/**
- * Frees any resources used by the CResult_PaymentIdDecodeErrorZ.
- */
-void CResult_PaymentIdDecodeErrorZ_free(struct LDKCResult_PaymentIdDecodeErrorZ _res);
-
-/**
- * Creates a new CResult_PaymentIdDecodeErrorZ which has the same data as `orig`
- * but with all dynamically-allocated buffers duplicated in new buffers.
- */
-struct LDKCResult_PaymentIdDecodeErrorZ CResult_PaymentIdDecodeErrorZ_clone(const struct LDKCResult_PaymentIdDecodeErrorZ *NONNULL_PTR orig);
-
/**
* Constructs a new COption_u16Z containing a u16
*/
/**
* Creates a new CResult_PaymentIdPaymentSendFailureZ in the success state.
*/
-struct LDKCResult_PaymentIdPaymentSendFailureZ CResult_PaymentIdPaymentSendFailureZ_ok(struct LDKPaymentId o);
+struct LDKCResult_PaymentIdPaymentSendFailureZ CResult_PaymentIdPaymentSendFailureZ_ok(struct LDKThirtyTwoBytes o);
/**
* Creates a new CResult_PaymentIdPaymentSendFailureZ in the error state.
/**
* Creates a new C2Tuple_PaymentHashPaymentIdZ from the contained elements.
*/
-struct LDKC2Tuple_PaymentHashPaymentIdZ C2Tuple_PaymentHashPaymentIdZ_new(struct LDKThirtyTwoBytes a, struct LDKPaymentId b);
+struct LDKC2Tuple_PaymentHashPaymentIdZ C2Tuple_PaymentHashPaymentIdZ_new(struct LDKThirtyTwoBytes a, struct LDKThirtyTwoBytes b);
/**
* Frees any resources used by the C2Tuple_PaymentHashPaymentIdZ.
*/
void CResult_COption_TypeZDecodeErrorZ_free(struct LDKCResult_COption_TypeZDecodeErrorZ _res);
+/**
+ * Creates a new CResult_PaymentIdPaymentErrorZ in the success state.
+ */
+struct LDKCResult_PaymentIdPaymentErrorZ CResult_PaymentIdPaymentErrorZ_ok(struct LDKThirtyTwoBytes o);
+
+/**
+ * Creates a new CResult_PaymentIdPaymentErrorZ in the error state.
+ */
+struct LDKCResult_PaymentIdPaymentErrorZ CResult_PaymentIdPaymentErrorZ_err(struct LDKPaymentError e);
+
+/**
+ * Frees any resources used by the CResult_PaymentIdPaymentErrorZ.
+ */
+void CResult_PaymentIdPaymentErrorZ_free(struct LDKCResult_PaymentIdPaymentErrorZ _res);
+
+/**
+ * Creates a new CResult_PaymentIdPaymentErrorZ which has the same data as `orig`
+ * but with all dynamically-allocated buffers duplicated in new buffers.
+ */
+struct LDKCResult_PaymentIdPaymentErrorZ CResult_PaymentIdPaymentErrorZ_clone(const struct LDKCResult_PaymentIdPaymentErrorZ *NONNULL_PTR orig);
+
/**
* Creates a new CResult_SiPrefixNoneZ in the success state.
*/
*/
struct LDKCOption_CVec_NetAddressZZ COption_CVec_NetAddressZZ_clone(const struct LDKCOption_CVec_NetAddressZZ *NONNULL_PTR orig);
-/**
- * Creates a new CResult_NetAddressu8Z in the success state.
- */
-struct LDKCResult_NetAddressu8Z CResult_NetAddressu8Z_ok(struct LDKNetAddress o);
-
-/**
- * Creates a new CResult_NetAddressu8Z in the error state.
- */
-struct LDKCResult_NetAddressu8Z CResult_NetAddressu8Z_err(uint8_t e);
-
-/**
- * Frees any resources used by the CResult_NetAddressu8Z.
- */
-void CResult_NetAddressu8Z_free(struct LDKCResult_NetAddressu8Z _res);
-
-/**
- * Creates a new CResult_NetAddressu8Z which has the same data as `orig`
- * but with all dynamically-allocated buffers duplicated in new buffers.
- */
-struct LDKCResult_NetAddressu8Z CResult_NetAddressu8Z_clone(const struct LDKCResult_NetAddressu8Z *NONNULL_PTR orig);
-
-/**
- * Creates a new CResult_CResult_NetAddressu8ZDecodeErrorZ in the success state.
- */
-struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(struct LDKCResult_NetAddressu8Z o);
-
-/**
- * Creates a new CResult_CResult_NetAddressu8ZDecodeErrorZ in the error state.
- */
-struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ CResult_CResult_NetAddressu8ZDecodeErrorZ_err(struct LDKDecodeError e);
-
-/**
- * Frees any resources used by the CResult_CResult_NetAddressu8ZDecodeErrorZ.
- */
-void CResult_CResult_NetAddressu8ZDecodeErrorZ_free(struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ _res);
-
-/**
- * Creates a new CResult_CResult_NetAddressu8ZDecodeErrorZ which has the same data as `orig`
- * but with all dynamically-allocated buffers duplicated in new buffers.
- */
-struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ CResult_CResult_NetAddressu8ZDecodeErrorZ_clone(const struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ *NONNULL_PTR orig);
-
/**
* Creates a new CResult_NetAddressDecodeErrorZ in the success state.
*/
/**
* Utility method to constructs a new PaymentSent-variant Event
*/
-struct LDKEvent Event_payment_sent(struct LDKThirtyTwoBytes payment_preimage, struct LDKThirtyTwoBytes payment_hash);
+struct LDKEvent Event_payment_sent(struct LDKThirtyTwoBytes payment_id, struct LDKThirtyTwoBytes payment_preimage, struct LDKThirtyTwoBytes payment_hash, struct LDKCOption_u64Z fee_paid_msat);
/**
* Utility method to constructs a new PaymentPathFailed-variant Event
*/
-struct LDKEvent Event_payment_path_failed(struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest, struct LDKCOption_NetworkUpdateZ network_update, bool all_paths_failed, struct LDKCVec_RouteHopZ path, struct LDKCOption_u64Z short_channel_id);
+struct LDKEvent Event_payment_path_failed(struct LDKThirtyTwoBytes payment_id, struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest, struct LDKCOption_NetworkUpdateZ network_update, bool all_paths_failed, struct LDKCVec_RouteHopZ path, struct LDKCOption_u64Z short_channel_id, struct LDKRouteParameters retry);
/**
* Utility method to constructs a new PendingHTLCsForwardable-variant Event
*/
void FeeEstimator_free(struct LDKFeeEstimator this_ptr);
+/**
+ * Frees any resources used by the MonitorUpdateId, if is_owned is set and inner is non-NULL.
+ */
+void MonitorUpdateId_free(struct LDKMonitorUpdateId this_obj);
+
+/**
+ * Creates a copy of the MonitorUpdateId
+ */
+struct LDKMonitorUpdateId MonitorUpdateId_clone(const struct LDKMonitorUpdateId *NONNULL_PTR orig);
+
+/**
+ * Checks if two MonitorUpdateIds contain equal inner contents.
+ */
+uint64_t MonitorUpdateId_hash(const struct LDKMonitorUpdateId *NONNULL_PTR o);
+
+/**
+ * Checks if two MonitorUpdateIds contain equal inner contents.
+ * This ignores pointers and is_owned flags and looks at the values in fields.
+ * Two objects with NULL inner values will be considered "equal" here.
+ */
+bool MonitorUpdateId_eq(const struct LDKMonitorUpdateId *NONNULL_PTR a, const struct LDKMonitorUpdateId *NONNULL_PTR b);
+
/**
* Calls the free function if one is set
*/
*/
MUST_USE_RES struct LDKCVec_OutPointZ ChainMonitor_list_monitors(const struct LDKChainMonitor *NONNULL_PTR this_arg);
+/**
+ * Indicates the persistence of a [`ChannelMonitor`] has completed after
+ * [`ChannelMonitorUpdateErr::TemporaryFailure`] was returned from an update operation.
+ *
+ * Thus, the anticipated use is, at a high level:
+ * 1) This [`ChainMonitor`] calls [`Persist::update_persisted_channel`] which stores the
+ * update to disk and begins updating any remote (e.g. watchtower/backup) copies,
+ * returning [`ChannelMonitorUpdateErr::TemporaryFailure`],
+ * 2) once all remote copies are updated, you call this function with the
+ * `completed_update_id` that completed, and once all pending updates have completed the
+ * channel will be re-enabled.
+ *
+ * Returns an [`APIError::APIMisuseError`] if `funding_txo` does not match any currently
+ * registered [`ChannelMonitor`]s.
+ */
+MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChainMonitor_channel_monitor_updated(const struct LDKChainMonitor *NONNULL_PTR this_arg, struct LDKOutPoint funding_txo, struct LDKMonitorUpdateId completed_update_id);
+
/**
* Constructs a new Listen which calls the relevant methods on this_arg.
* This copies the `inner` pointer in this_arg and thus the returned Listen must be freed before this_arg is
*/
void MonitorUpdateError_free(struct LDKMonitorUpdateError this_obj);
+struct LDKStr MonitorUpdateError_get_a(const struct LDKMonitorUpdateError *NONNULL_PTR this_ptr);
+
+void MonitorUpdateError_set_a(struct LDKMonitorUpdateError *NONNULL_PTR this_ptr, struct LDKStr val);
+
+/**
+ * Constructs a new MonitorUpdateError given each field
+ */
+MUST_USE_RES struct LDKMonitorUpdateError MonitorUpdateError_new(struct LDKStr a_arg);
+
/**
* Creates a copy of the MonitorUpdateError
*/
*/
struct LDKMonitorEvent MonitorEvent_commitment_tx_confirmed(struct LDKOutPoint a);
+/**
+ * Utility method to constructs a new UpdateCompleted-variant MonitorEvent
+ */
+struct LDKMonitorEvent MonitorEvent_update_completed(struct LDKOutPoint funding_txo, uint64_t monitor_update_id);
+
+/**
+ * Utility method to constructs a new UpdateFailed-variant MonitorEvent
+ */
+struct LDKMonitorEvent MonitorEvent_update_failed(struct LDKOutPoint a);
+
+/**
+ * Serialize the MonitorEvent object into a byte array which can be read by MonitorEvent_read
+ */
+struct LDKCVec_u8Z MonitorEvent_write(const struct LDKMonitorEvent *NONNULL_PTR obj);
+
/**
* Frees any resources used by the HTLCUpdate, if is_owned is set and inner is non-NULL.
*/
*/
struct LDKKeysInterface KeysManager_as_KeysInterface(const struct LDKKeysManager *NONNULL_PTR this_arg);
-/**
- * Frees any resources used by the PaymentId, if is_owned is set and inner is non-NULL.
- */
-void PaymentId_free(struct LDKPaymentId this_obj);
-
-/**
- * Checks if two PaymentIds contain equal inner contents.
- */
-uint64_t PaymentId_hash(const struct LDKPaymentId *NONNULL_PTR o);
-
-/**
- * Creates a copy of the PaymentId
- */
-struct LDKPaymentId PaymentId_clone(const struct LDKPaymentId *NONNULL_PTR orig);
-
-/**
- * Checks if two PaymentIds contain equal inner contents.
- * This ignores pointers and is_owned flags and looks at the values in fields.
- * Two objects with NULL inner values will be considered "equal" here.
- */
-bool PaymentId_eq(const struct LDKPaymentId *NONNULL_PTR a, const struct LDKPaymentId *NONNULL_PTR b);
-
-/**
- * Serialize the PaymentId object into a byte array which can be read by PaymentId_read
- */
-struct LDKCVec_u8Z PaymentId_write(const struct LDKPaymentId *NONNULL_PTR obj);
-
-/**
- * Read a PaymentId from a byte array, created by PaymentId_write
- */
-struct LDKCResult_PaymentIdDecodeErrorZ PaymentId_read(struct LDKu8slice ser);
-
/**
* Frees any resources used by the ChannelManager, if is_owned is set and inner is non-NULL.
*/
/**
* Utility method to constructs a new PartialFailure-variant PaymentSendFailure
*/
-struct LDKPaymentSendFailure PaymentSendFailure_partial_failure(struct LDKCVec_CResult_NoneAPIErrorZZ a);
+struct LDKPaymentSendFailure PaymentSendFailure_partial_failure(struct LDKCVec_CResult_NoneAPIErrorZZ results, struct LDKRouteParameters failed_paths_retry, struct LDKThirtyTwoBytes payment_id);
/**
* Constructs a new ChannelManager to hold several channels and route between them.
*
* [`send_payment`]: [`ChannelManager::send_payment`]
*/
-MUST_USE_RES struct LDKCResult_NonePaymentSendFailureZ ChannelManager_retry_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKPaymentId payment_id);
+MUST_USE_RES struct LDKCResult_NonePaymentSendFailureZ ChannelManager_retry_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_id);
/**
* Send a spontaneous payment, which is a payment that does not require the recipient to have
*/
MUST_USE_RES struct LDKPublicKey ChannelManager_get_our_node_id(const struct LDKChannelManager *NONNULL_PTR this_arg);
-/**
- * Restores a single, given channel to normal operation after a
- * ChannelMonitorUpdateErr::TemporaryFailure was returned from a channel monitor update
- * operation.
- *
- * All ChannelMonitor updates up to and including highest_applied_update_id must have been
- * fully committed in every copy of the given channels' ChannelMonitors.
- *
- * Note that there is no effect to calling with a highest_applied_update_id other than the
- * current latest ChannelMonitorUpdate and one call to this function after multiple
- * ChannelMonitorUpdateErr::TemporaryFailures is fine. The highest_applied_update_id field
- * exists largely only to prevent races between this and concurrent update_monitor calls.
- *
- * Thus, the anticipated use is, at a high level:
- * 1) You register a chain::Watch with this ChannelManager,
- * 2) it stores each update to disk, and begins updating any remote (eg watchtower) copies of
- * said ChannelMonitors as it can, returning ChannelMonitorUpdateErr::TemporaryFailures
- * any time it cannot do so instantly,
- * 3) update(s) are applied to each remote copy of a ChannelMonitor,
- * 4) once all remote copies are updated, you call this function with the update_id that
- * completed, and once it is the latest the Channel will be re-enabled.
- */
-void ChannelManager_channel_monitor_updated(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKOutPoint *NONNULL_PTR funding_txo, uint64_t highest_applied_update_id);
-
/**
* Gets a payment secret and payment hash for use in an invoice given to a third party wishing
* to pay us.
*/
struct LDKCVec_u8Z NetAddress_write(const struct LDKNetAddress *NONNULL_PTR obj);
-/**
- * Read a Result from a byte array, created by Result_write
- */
-struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ Result_read(struct LDKu8slice ser);
-
/**
* Read a NetAddress from a byte array, created by NetAddress_write
*/
*/
void PeerManager_disconnect_by_node_id(const struct LDKPeerManager *NONNULL_PTR this_arg, struct LDKPublicKey node_id, bool no_connection_possible);
+/**
+ * Disconnects all currently-connected peers. This is useful on platforms where there may be
+ * an indication that TCP sockets have stalled even if we weren't around to time them out
+ * using regular ping/pongs.
+ */
+void PeerManager_disconnect_all_peers(const struct LDKPeerManager *NONNULL_PTR this_arg);
+
/**
* Send pings to each peer and disconnect those which did not respond to the last round of
* pings.
*/
void Score_free(struct LDKScore this_ptr);
+/**
+ * Frees any resources used by the LockableScore, if is_owned is set and inner is non-NULL.
+ */
+void LockableScore_free(struct LDKLockableScore this_obj);
+
+/**
+ * Constructs a new LockableScore from a Score
+ */
+MUST_USE_RES struct LDKLockableScore LockableScore_new(struct LDKScore score);
+
+/**
+ * Serialize the LockableScore object into a byte array which can be read by LockableScore_read
+ */
+struct LDKCVec_u8Z LockableScore_write(const struct LDKLockableScore *NONNULL_PTR obj);
+
/**
* Frees any resources used by the NodeId, if is_owned is set and inner is non-NULL.
*/
*/
void NetGraphMsgHandler_free(struct LDKNetGraphMsgHandler this_obj);
-/**
- * Representation of the payment channel network
- */
-struct LDKNetworkGraph NetGraphMsgHandler_get_network_graph(const struct LDKNetGraphMsgHandler *NONNULL_PTR this_ptr);
-
-/**
- * Representation of the payment channel network
- */
-void NetGraphMsgHandler_set_network_graph(struct LDKNetGraphMsgHandler *NONNULL_PTR this_ptr, struct LDKNetworkGraph val);
-
/**
* Creates a new tracker of the actual state of the network of channels and nodes,
* assuming an existing Network Graph.
* channel data is correct, and that the announcement is signed with
* channel owners' keys.
*/
-MUST_USE_RES struct LDKNetGraphMsgHandler NetGraphMsgHandler_new(struct LDKNetworkGraph network_graph, struct LDKCOption_AccessZ chain_access, struct LDKLogger logger);
+MUST_USE_RES struct LDKNetGraphMsgHandler NetGraphMsgHandler_new(const struct LDKNetworkGraph *NONNULL_PTR network_graph, struct LDKCOption_AccessZ chain_access, struct LDKLogger logger);
/**
* Adds a provider used to check new announcements. Does not affect
*/
void Route_set_paths(struct LDKRoute *NONNULL_PTR this_ptr, struct LDKCVec_CVec_RouteHopZZ val);
+/**
+ * The `payee` parameter passed to [`find_route`].
+ * This is used by `ChannelManager` to track information which may be required for retries,
+ * provided back to you via [`Event::PaymentPathFailed`].
+ *
+ * [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
+ *
+ * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+struct LDKPayee Route_get_payee(const struct LDKRoute *NONNULL_PTR this_ptr);
+
+/**
+ * The `payee` parameter passed to [`find_route`].
+ * This is used by `ChannelManager` to track information which may be required for retries,
+ * provided back to you via [`Event::PaymentPathFailed`].
+ *
+ * [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
+ *
+ * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+void Route_set_payee(struct LDKRoute *NONNULL_PTR this_ptr, struct LDKPayee val);
+
/**
* Constructs a new Route given each field
*/
-MUST_USE_RES struct LDKRoute Route_new(struct LDKCVec_CVec_RouteHopZZ paths_arg);
+MUST_USE_RES struct LDKRoute Route_new(struct LDKCVec_CVec_RouteHopZZ paths_arg, struct LDKPayee payee_arg);
/**
* Creates a copy of the Route
* Returns the total amount of fees paid on this [`Route`].
*
* This doesn't include any extra payment made to the recipient, which can happen in excess of
- * the amount passed to [`get_route`]'s `final_value_msat`.
+ * the amount passed to [`find_route`]'s `params.final_value_msat`.
*/
MUST_USE_RES uint64_t Route_get_total_fees(const struct LDKRoute *NONNULL_PTR this_arg);
*/
struct LDKCResult_RouteDecodeErrorZ Route_read(struct LDKu8slice ser);
+/**
+ * Frees any resources used by the RouteParameters, if is_owned is set and inner is non-NULL.
+ */
+void RouteParameters_free(struct LDKRouteParameters this_obj);
+
+/**
+ * The recipient of the failed payment path.
+ */
+struct LDKPayee RouteParameters_get_payee(const struct LDKRouteParameters *NONNULL_PTR this_ptr);
+
+/**
+ * The recipient of the failed payment path.
+ */
+void RouteParameters_set_payee(struct LDKRouteParameters *NONNULL_PTR this_ptr, struct LDKPayee val);
+
+/**
+ * The amount in msats sent on the failed payment path.
+ */
+uint64_t RouteParameters_get_final_value_msat(const struct LDKRouteParameters *NONNULL_PTR this_ptr);
+
+/**
+ * The amount in msats sent on the failed payment path.
+ */
+void RouteParameters_set_final_value_msat(struct LDKRouteParameters *NONNULL_PTR this_ptr, uint64_t val);
+
+/**
+ * The CLTV on the final hop of the failed payment path.
+ */
+uint32_t RouteParameters_get_final_cltv_expiry_delta(const struct LDKRouteParameters *NONNULL_PTR this_ptr);
+
+/**
+ * The CLTV on the final hop of the failed payment path.
+ */
+void RouteParameters_set_final_cltv_expiry_delta(struct LDKRouteParameters *NONNULL_PTR this_ptr, uint32_t val);
+
+/**
+ * Constructs a new RouteParameters given each field
+ */
+MUST_USE_RES struct LDKRouteParameters RouteParameters_new(struct LDKPayee payee_arg, uint64_t final_value_msat_arg, uint32_t final_cltv_expiry_delta_arg);
+
+/**
+ * Creates a copy of the RouteParameters
+ */
+struct LDKRouteParameters RouteParameters_clone(const struct LDKRouteParameters *NONNULL_PTR orig);
+
+/**
+ * Serialize the RouteParameters object into a byte array which can be read by RouteParameters_read
+ */
+struct LDKCVec_u8Z RouteParameters_write(const struct LDKRouteParameters *NONNULL_PTR obj);
+
+/**
+ * Read a RouteParameters from a byte array, created by RouteParameters_write
+ */
+struct LDKCResult_RouteParametersDecodeErrorZ RouteParameters_read(struct LDKu8slice ser);
+
+/**
+ * Frees any resources used by the Payee, if is_owned is set and inner is non-NULL.
+ */
+void Payee_free(struct LDKPayee this_obj);
+
+/**
+ * The node id of the payee.
+ */
+struct LDKPublicKey Payee_get_pubkey(const struct LDKPayee *NONNULL_PTR this_ptr);
+
+/**
+ * The node id of the payee.
+ */
+void Payee_set_pubkey(struct LDKPayee *NONNULL_PTR this_ptr, struct LDKPublicKey val);
+
+/**
+ * Features supported by the payee.
+ *
+ * May be set from the payee's invoice or via [`for_keysend`]. May be `None` if the invoice
+ * does not contain any features.
+ *
+ * [`for_keysend`]: Self::for_keysend
+ *
+ * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+struct LDKInvoiceFeatures Payee_get_features(const struct LDKPayee *NONNULL_PTR this_ptr);
+
+/**
+ * Features supported by the payee.
+ *
+ * May be set from the payee's invoice or via [`for_keysend`]. May be `None` if the invoice
+ * does not contain any features.
+ *
+ * [`for_keysend`]: Self::for_keysend
+ *
+ * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None
+ */
+void Payee_set_features(struct LDKPayee *NONNULL_PTR this_ptr, struct LDKInvoiceFeatures val);
+
+/**
+ * Hints for routing to the payee, containing channels connecting the payee to public nodes.
+ */
+struct LDKCVec_RouteHintZ Payee_get_route_hints(const struct LDKPayee *NONNULL_PTR this_ptr);
+
+/**
+ * Hints for routing to the payee, containing channels connecting the payee to public nodes.
+ */
+void Payee_set_route_hints(struct LDKPayee *NONNULL_PTR this_ptr, struct LDKCVec_RouteHintZ val);
+
+/**
+ * Expiration of a payment to the payee, in seconds relative to the UNIX epoch.
+ */
+struct LDKCOption_u64Z Payee_get_expiry_time(const struct LDKPayee *NONNULL_PTR this_ptr);
+
+/**
+ * Expiration of a payment to the payee, in seconds relative to the UNIX epoch.
+ */
+void Payee_set_expiry_time(struct LDKPayee *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val);
+
+/**
+ * Constructs a new Payee given each field
+ */
+MUST_USE_RES struct LDKPayee Payee_new(struct LDKPublicKey pubkey_arg, struct LDKInvoiceFeatures features_arg, struct LDKCVec_RouteHintZ route_hints_arg, struct LDKCOption_u64Z expiry_time_arg);
+
+/**
+ * Creates a copy of the Payee
+ */
+struct LDKPayee Payee_clone(const struct LDKPayee *NONNULL_PTR orig);
+
+/**
+ * Checks if two Payees contain equal inner contents.
+ */
+uint64_t Payee_hash(const struct LDKPayee *NONNULL_PTR o);
+
+/**
+ * Checks if two Payees contain equal inner contents.
+ * This ignores pointers and is_owned flags and looks at the values in fields.
+ * Two objects with NULL inner values will be considered "equal" here.
+ */
+bool Payee_eq(const struct LDKPayee *NONNULL_PTR a, const struct LDKPayee *NONNULL_PTR b);
+
+/**
+ * Serialize the Payee object into a byte array which can be read by Payee_read
+ */
+struct LDKCVec_u8Z Payee_write(const struct LDKPayee *NONNULL_PTR obj);
+
+/**
+ * Read a Payee from a byte array, created by Payee_write
+ */
+struct LDKCResult_PayeeDecodeErrorZ Payee_read(struct LDKu8slice ser);
+
+/**
+ * Creates a payee with the node id of the given `pubkey`.
+ */
+MUST_USE_RES struct LDKPayee Payee_from_node_id(struct LDKPublicKey pubkey);
+
+/**
+ * Creates a payee with the node id of the given `pubkey` to use for keysend payments.
+ */
+MUST_USE_RES struct LDKPayee Payee_for_keysend(struct LDKPublicKey pubkey);
+
/**
* Frees any resources used by the RouteHint, if is_owned is set and inner is non-NULL.
*/
void RouteHint_free(struct LDKRouteHint this_obj);
+struct LDKCVec_RouteHintHopZ RouteHint_get_a(const struct LDKRouteHint *NONNULL_PTR this_ptr);
+
+void RouteHint_set_a(struct LDKRouteHint *NONNULL_PTR this_ptr, struct LDKCVec_RouteHintHopZ val);
+
+/**
+ * Constructs a new RouteHint given each field
+ */
+MUST_USE_RES struct LDKRouteHint RouteHint_new(struct LDKCVec_RouteHintHopZ a_arg);
+
/**
* Creates a copy of the RouteHint
*/
*/
bool RouteHint_eq(const struct LDKRouteHint *NONNULL_PTR a, const struct LDKRouteHint *NONNULL_PTR b);
+/**
+ * Serialize the RouteHint object into a byte array which can be read by RouteHint_read
+ */
+struct LDKCVec_u8Z RouteHint_write(const struct LDKRouteHint *NONNULL_PTR obj);
+
+/**
+ * Read a RouteHint from a byte array, created by RouteHint_write
+ */
+struct LDKCResult_RouteHintDecodeErrorZ RouteHint_read(struct LDKu8slice ser);
+
/**
* Frees any resources used by the RouteHintHop, if is_owned is set and inner is non-NULL.
*/
bool RouteHintHop_eq(const struct LDKRouteHintHop *NONNULL_PTR a, const struct LDKRouteHintHop *NONNULL_PTR b);
/**
- * Gets a keysend route from us (payer) to the given target node (payee). This is needed because
- * keysend payments do not have an invoice from which to pull the payee's supported features, which
- * makes it tricky to otherwise supply the `payee_features` parameter of `get_route`.
- *
- * Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
+ * Serialize the RouteHintHop object into a byte array which can be read by RouteHintHop_read
*/
-struct LDKCResult_RouteLightningErrorZ get_keysend_route(struct LDKPublicKey our_node_pubkey, const struct LDKNetworkGraph *NONNULL_PTR network, struct LDKPublicKey payee, struct LDKCVec_ChannelDetailsZ *first_hops, struct LDKCVec_RouteHintZ last_hops, uint64_t final_value_msat, uint32_t final_cltv, struct LDKLogger logger, const struct LDKScore *NONNULL_PTR scorer);
+struct LDKCVec_u8Z RouteHintHop_write(const struct LDKRouteHintHop *NONNULL_PTR obj);
/**
- * Gets a route from us (payer) to the given target node (payee).
+ * Read a RouteHintHop from a byte array, created by RouteHintHop_write
+ */
+struct LDKCResult_RouteHintHopDecodeErrorZ RouteHintHop_read(struct LDKu8slice ser);
+
+/**
+ * Finds a route from us (payer) to the given target node (payee).
*
- * If the payee provided features in their invoice, they should be provided via payee_features.
+ * If the payee provided features in their invoice, they should be provided via `params.payee`.
* Without this, MPP will only be used if the payee's features are available in the network graph.
*
- * Private routing paths between a public node and the target may be included in `last_hops`.
- * Currently, only the last hop in each path is considered.
+ * Private routing paths between a public node and the target may be included in `params.payee`.
+ *
+ * If some channels aren't announced, it may be useful to fill in `first_hops` with the results
+ * from [`ChannelManager::list_usable_channels`]. If it is filled in, the view of our local
+ * channels from [`NetworkGraph`] will be ignored, and only those in `first_hops` will be used.
*
- * If some channels aren't announced, it may be useful to fill in a first_hops with the
- * results from a local ChannelManager::list_usable_channels() call. If it is filled in, our
- * view of our local channels (from net_graph_msg_handler) will be ignored, and only those
- * in first_hops will be used.
+ * The fees on channels from us to the next hop are ignored as they are assumed to all be equal.
+ * However, the enabled/disabled bit on such channels as well as the `htlc_minimum_msat` /
+ * `htlc_maximum_msat` *are* checked as they may change based on the receiving node.
*
- * Panics if first_hops contains channels without short_channel_ids
- * (ChannelManager::list_usable_channels will never include such channels).
+ * # Note
+ *
+ * May be used to re-compute a [`Route`] when handling a [`Event::PaymentPathFailed`]. Any
+ * adjustments to the [`NetworkGraph`] and channel scores should be made prior to calling this
+ * function.
+ *
+ * # Panics
*
- * The fees on channels from us to next-hops are ignored (as they are assumed to all be
- * equal), however the enabled/disabled bit on such channels as well as the
- * htlc_minimum_msat/htlc_maximum_msat *are* checked as they may change based on the receiving node.
+ * Panics if first_hops contains channels without short_channel_ids;
+ * [`ChannelManager::list_usable_channels`] will never include such channels.
+ *
+ * [`ChannelManager::list_usable_channels`]: crate::ln::channelmanager::ChannelManager::list_usable_channels
+ * [`Event::PaymentPathFailed`]: crate::util::events::Event::PaymentPathFailed
*
- * Note that payee_features (or a relevant inner pointer) may be NULL or all-0s to represent None
* Note that first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None
*/
-struct LDKCResult_RouteLightningErrorZ get_route(struct LDKPublicKey our_node_pubkey, const struct LDKNetworkGraph *NONNULL_PTR network, struct LDKPublicKey payee, struct LDKInvoiceFeatures payee_features, struct LDKCVec_ChannelDetailsZ *first_hops, struct LDKCVec_RouteHintZ last_hops, uint64_t final_value_msat, uint32_t final_cltv, struct LDKLogger logger, const struct LDKScore *NONNULL_PTR scorer);
+struct LDKCResult_RouteLightningErrorZ find_route(struct LDKPublicKey our_node_pubkey, const struct LDKRouteParameters *NONNULL_PTR params, const struct LDKNetworkGraph *NONNULL_PTR network, struct LDKCVec_ChannelDetailsZ *first_hops, struct LDKLogger logger, const struct LDKScore *NONNULL_PTR scorer);
/**
* Frees any resources used by the Scorer, if is_owned is set and inner is non-NULL.
void Scorer_free(struct LDKScorer this_obj);
/**
- * Creates a new scorer using `base_penalty_msat` as the channel penalty.
+ * Frees any resources used by the ScoringParameters, if is_owned is set and inner is non-NULL.
+ */
+void ScoringParameters_free(struct LDKScoringParameters this_obj);
+
+/**
+ * A fixed penalty in msats to apply to each channel.
+ */
+uint64_t ScoringParameters_get_base_penalty_msat(const struct LDKScoringParameters *NONNULL_PTR this_ptr);
+
+/**
+ * A fixed penalty in msats to apply to each channel.
*/
-MUST_USE_RES struct LDKScorer Scorer_new(uint64_t base_penalty_msat);
+void ScoringParameters_set_base_penalty_msat(struct LDKScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+
+/**
+ * A penalty in msats to apply to a channel upon failing to relay a payment.
+ *
+ * This accumulates for each failure but may be reduced over time based on
+ * [`failure_penalty_half_life`].
+ *
+ * [`failure_penalty_half_life`]: Self::failure_penalty_half_life
+ */
+uint64_t ScoringParameters_get_failure_penalty_msat(const struct LDKScoringParameters *NONNULL_PTR this_ptr);
+
+/**
+ * A penalty in msats to apply to a channel upon failing to relay a payment.
+ *
+ * This accumulates for each failure but may be reduced over time based on
+ * [`failure_penalty_half_life`].
+ *
+ * [`failure_penalty_half_life`]: Self::failure_penalty_half_life
+ */
+void ScoringParameters_set_failure_penalty_msat(struct LDKScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+
+/**
+ * The time required to elapse before any accumulated [`failure_penalty_msat`] penalties are
+ * cut in half.
+ *
+ * # Note
+ *
+ * When time is an [`Eternity`], as is default when enabling feature `no-std`, it will never
+ * elapse. Therefore, this penalty will never decay.
+ *
+ * [`failure_penalty_msat`]: Self::failure_penalty_msat
+ */
+uint64_t ScoringParameters_get_failure_penalty_half_life(const struct LDKScoringParameters *NONNULL_PTR this_ptr);
+
+/**
+ * The time required to elapse before any accumulated [`failure_penalty_msat`] penalties are
+ * cut in half.
+ *
+ * # Note
+ *
+ * When time is an [`Eternity`], as is default when enabling feature `no-std`, it will never
+ * elapse. Therefore, this penalty will never decay.
+ *
+ * [`failure_penalty_msat`]: Self::failure_penalty_msat
+ */
+void ScoringParameters_set_failure_penalty_half_life(struct LDKScoringParameters *NONNULL_PTR this_ptr, uint64_t val);
+
+/**
+ * Constructs a new ScoringParameters given each field
+ */
+MUST_USE_RES struct LDKScoringParameters ScoringParameters_new(uint64_t base_penalty_msat_arg, uint64_t failure_penalty_msat_arg, uint64_t failure_penalty_half_life_arg);
+
+/**
+ * Serialize the ScoringParameters object into a byte array which can be read by ScoringParameters_read
+ */
+struct LDKCVec_u8Z ScoringParameters_write(const struct LDKScoringParameters *NONNULL_PTR obj);
+
+/**
+ * Read a ScoringParameters from a byte array, created by ScoringParameters_write
+ */
+struct LDKCResult_ScoringParametersDecodeErrorZ ScoringParameters_read(struct LDKu8slice ser);
+
+/**
+ * Creates a new scorer using the given scoring parameters.
+ */
+MUST_USE_RES struct LDKScorer Scorer_new(struct LDKScoringParameters params);
/**
* Creates a "default" Scorer. See struct and individual field documentaiton for details on which values are used.
*/
MUST_USE_RES struct LDKScorer Scorer_default(void);
+/**
+ * Creates a "default" ScoringParameters. See struct and individual field documentaiton for details on which values are used.
+ */
+MUST_USE_RES struct LDKScoringParameters ScoringParameters_default(void);
+
/**
* Constructs a new Score which calls the relevant methods on this_arg.
* This copies the `inner` pointer in this_arg and thus the returned Score must be freed before this_arg is
*/
struct LDKScore Scorer_as_Score(const struct LDKScorer *NONNULL_PTR this_arg);
+/**
+ * Serialize the Scorer object into a byte array which can be read by Scorer_read
+ */
+struct LDKCVec_u8Z Scorer_write(const struct LDKScorer *NONNULL_PTR obj);
+
+/**
+ * Read a Scorer from a byte array, created by Scorer_write
+ */
+struct LDKCResult_ScorerDecodeErrorZ Scorer_read(struct LDKu8slice ser);
+
/**
* Frees any resources used by the FilesystemPersister, if is_owned is set and inner is non-NULL.
*/
*/
void PayeePubKey_free(struct LDKPayeePubKey this_obj);
+struct LDKPublicKey PayeePubKey_get_a(const struct LDKPayeePubKey *NONNULL_PTR this_ptr);
+
+void PayeePubKey_set_a(struct LDKPayeePubKey *NONNULL_PTR this_ptr, struct LDKPublicKey val);
+
+/**
+ * Constructs a new PayeePubKey given each field
+ */
+MUST_USE_RES struct LDKPayeePubKey PayeePubKey_new(struct LDKPublicKey a_arg);
+
/**
* Creates a copy of the PayeePubKey
*/
*/
void MinFinalCltvExpiry_free(struct LDKMinFinalCltvExpiry this_obj);
+uint64_t MinFinalCltvExpiry_get_a(const struct LDKMinFinalCltvExpiry *NONNULL_PTR this_ptr);
+
+void MinFinalCltvExpiry_set_a(struct LDKMinFinalCltvExpiry *NONNULL_PTR this_ptr, uint64_t val);
+
+/**
+ * Constructs a new MinFinalCltvExpiry given each field
+ */
+MUST_USE_RES struct LDKMinFinalCltvExpiry MinFinalCltvExpiry_new(uint64_t a_arg);
+
/**
* Creates a copy of the MinFinalCltvExpiry
*/
/**
* Get the payment secret if one was included in the invoice
*/
-MUST_USE_RES struct LDKThirtyTwoBytes Invoice_payment_secret(const struct LDKInvoice *NONNULL_PTR this_arg);
+MUST_USE_RES const uint8_t (*Invoice_payment_secret(const struct LDKInvoice *NONNULL_PTR this_arg))[32];
/**
* Get the invoice features if they were included in the invoice
*/
MUST_USE_RES uint64_t Invoice_expiry_time(const struct LDKInvoice *NONNULL_PTR this_arg);
+/**
+ * Returns whether the invoice has expired.
+ */
+MUST_USE_RES bool Invoice_is_expired(const struct LDKInvoice *NONNULL_PTR this_arg);
+
/**
* Returns the invoice's `min_final_cltv_expiry` time, if present, otherwise
* [`DEFAULT_MIN_FINAL_CLTV_EXPIRY`].
MUST_USE_RES enum LDKCurrency Invoice_currency(const struct LDKInvoice *NONNULL_PTR this_arg);
/**
- * Returns the amount if specified in the invoice as pico <currency>.
+ * Returns the amount if specified in the invoice as millisatoshis.
*/
-MUST_USE_RES struct LDKCOption_u64Z Invoice_amount_pico_btc(const struct LDKInvoice *NONNULL_PTR this_arg);
+MUST_USE_RES struct LDKCOption_u64Z Invoice_amount_milli_satoshis(const struct LDKInvoice *NONNULL_PTR this_arg);
/**
* Creates a new `Description` if `description` is at most 1023 __bytes__ long,
*/
struct LDKStr SignOrCreationError_to_str(const struct LDKSignOrCreationError *NONNULL_PTR o);
+/**
+ * Frees any resources used by the InvoicePayer, if is_owned is set and inner is non-NULL.
+ */
+void InvoicePayer_free(struct LDKInvoicePayer this_obj);
+
+/**
+ * Calls the free function if one is set
+ */
+void Payer_free(struct LDKPayer this_ptr);
+
+/**
+ * Calls the free function if one is set
+ */
+void Router_free(struct LDKRouter this_ptr);
+
+/**
+ * Frees any resources used by the RetryAttempts, if is_owned is set and inner is non-NULL.
+ */
+void RetryAttempts_free(struct LDKRetryAttempts this_obj);
+
+uintptr_t RetryAttempts_get_a(const struct LDKRetryAttempts *NONNULL_PTR this_ptr);
+
+void RetryAttempts_set_a(struct LDKRetryAttempts *NONNULL_PTR this_ptr, uintptr_t val);
+
+/**
+ * Constructs a new RetryAttempts given each field
+ */
+MUST_USE_RES struct LDKRetryAttempts RetryAttempts_new(uintptr_t a_arg);
+
+/**
+ * Creates a copy of the RetryAttempts
+ */
+struct LDKRetryAttempts RetryAttempts_clone(const struct LDKRetryAttempts *NONNULL_PTR orig);
+
+/**
+ * Checks if two RetryAttemptss contain equal inner contents.
+ * This ignores pointers and is_owned flags and looks at the values in fields.
+ * Two objects with NULL inner values will be considered "equal" here.
+ */
+bool RetryAttempts_eq(const struct LDKRetryAttempts *NONNULL_PTR a, const struct LDKRetryAttempts *NONNULL_PTR b);
+
+/**
+ * Checks if two RetryAttemptss contain equal inner contents.
+ */
+uint64_t RetryAttempts_hash(const struct LDKRetryAttempts *NONNULL_PTR o);
+
+/**
+ * Frees any resources used by the PaymentError
+ */
+void PaymentError_free(struct LDKPaymentError this_ptr);
+
+/**
+ * Creates a copy of the PaymentError
+ */
+struct LDKPaymentError PaymentError_clone(const struct LDKPaymentError *NONNULL_PTR orig);
+
+/**
+ * Utility method to constructs a new Invoice-variant PaymentError
+ */
+struct LDKPaymentError PaymentError_invoice(struct LDKStr a);
+
+/**
+ * Utility method to constructs a new Routing-variant PaymentError
+ */
+struct LDKPaymentError PaymentError_routing(struct LDKLightningError a);
+
+/**
+ * Utility method to constructs a new Sending-variant PaymentError
+ */
+struct LDKPaymentError PaymentError_sending(struct LDKPaymentSendFailure a);
+
+/**
+ * Creates an invoice payer that retries failed payment paths.
+ *
+ * Will forward any [`Event::PaymentPathFailed`] events to the decorated `event_handler` once
+ * `retry_attempts` has been exceeded for a given [`Invoice`].
+ */
+MUST_USE_RES struct LDKInvoicePayer InvoicePayer_new(struct LDKPayer payer, struct LDKRouter router, const struct LDKLockableScore *NONNULL_PTR scorer, struct LDKLogger logger, struct LDKEventHandler event_handler, struct LDKRetryAttempts retry_attempts);
+
+/**
+ * Pays the given [`Invoice`], caching it for later use in case a retry is needed.
+ *
+ * You should ensure that the `invoice.payment_hash()` is unique and the same payment_hash has
+ * never been paid before. Because [`InvoicePayer`] is stateless no effort is made to do so
+ * for you.
+ */
+MUST_USE_RES struct LDKCResult_PaymentIdPaymentErrorZ InvoicePayer_pay_invoice(const struct LDKInvoicePayer *NONNULL_PTR this_arg, const struct LDKInvoice *NONNULL_PTR invoice);
+
+/**
+ * Pays the given zero-value [`Invoice`] using the given amount, caching it for later use in
+ * case a retry is needed.
+ *
+ * You should ensure that the `invoice.payment_hash()` is unique and the same payment_hash has
+ * never been paid before. Because [`InvoicePayer`] is stateless no effort is made to do so
+ * for you.
+ */
+MUST_USE_RES struct LDKCResult_PaymentIdPaymentErrorZ InvoicePayer_pay_zero_value_invoice(const struct LDKInvoicePayer *NONNULL_PTR this_arg, const struct LDKInvoice *NONNULL_PTR invoice, uint64_t amount_msats);
+
+/**
+ * Removes the payment cached by the given payment hash.
+ *
+ * Should be called once a payment has failed or succeeded if not using [`InvoicePayer`] as an
+ * [`EventHandler`]. Otherwise, calling this method is unnecessary.
+ */
+void InvoicePayer_remove_cached_payment(const struct LDKInvoicePayer *NONNULL_PTR this_arg, const uint8_t (*payment_hash)[32]);
+
+/**
+ * Constructs a new EventHandler which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned EventHandler must be freed before this_arg is
+ */
+struct LDKEventHandler InvoicePayer_as_EventHandler(const struct LDKInvoicePayer *NONNULL_PTR this_arg);
+
/**
* Utility to construct an invoice. Generally, unless you want to do something like a custom
* cltv_expiry, this is what you should be using to create an invoice. The reason being, this
*/
struct LDKCResult_InvoiceSignOrCreationErrorZ create_invoice_from_channelmanager(const struct LDKChannelManager *NONNULL_PTR channelmanager, struct LDKKeysInterface keys_manager, enum LDKCurrency network, struct LDKCOption_u64Z amt_msat, struct LDKStr description);
+/**
+ * Frees any resources used by the DefaultRouter, if is_owned is set and inner is non-NULL.
+ */
+void DefaultRouter_free(struct LDKDefaultRouter this_obj);
+
+/**
+ * Creates a new router using the given [`NetworkGraph`] and [`Logger`].
+ */
+MUST_USE_RES struct LDKDefaultRouter DefaultRouter_new(const struct LDKNetworkGraph *NONNULL_PTR network_graph, struct LDKLogger logger);
+
+/**
+ * Constructs a new Router which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned Router must be freed before this_arg is
+ */
+struct LDKRouter DefaultRouter_as_Router(const struct LDKDefaultRouter *NONNULL_PTR this_arg);
+
+/**
+ * Constructs a new Payer which calls the relevant methods on this_arg.
+ * This copies the `inner` pointer in this_arg and thus the returned Payer must be freed before this_arg is
+ */
+struct LDKPayer ChannelManager_as_Payer(const struct LDKChannelManager *NONNULL_PTR this_arg);
+
/**
* Read a SiPrefix object from a string
*/