X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-c-bindings%2Finclude%2Flightning.h;h=a1b91e72ee07b855ceac0a4782c7f453a2ed3899;hb=5271372bfe3ddc870c806f7b7ee13c4a7660e7e5;hp=2a5f617dbc4d165414bdf922c3058ecd482d23ec;hpb=2f0c348c6fe505a736c3d015df6d6cd30032c912;p=ldk-c-bindings diff --git a/lightning-c-bindings/include/lightning.h b/lightning-c-bindings/include/lightning.h index 2a5f617..a1b91e7 100644 --- a/lightning-c-bindings/include/lightning.h +++ b/lightning-c-bindings/include/lightning.h @@ -37,9 +37,10 @@ typedef enum LDKChannelMonitorUpdateErr { * 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 @@ -53,13 +54,14 @@ typedef enum LDKChannelMonitorUpdateErr { * 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. @@ -67,6 +69,8 @@ typedef enum LDKChannelMonitorUpdateErr { * 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, /** @@ -328,6 +332,11 @@ typedef enum LDKSemanticError { * The invoice contains multiple descriptions and/or description hashes which isn't allowed */ LDKSemanticError_MultipleDescriptions, + /** + * The invoice is missing the mandatory payment secret, which all modern lightning nodes + * should provide. + */ + LDKSemanticError_NoPaymentSecret, /** * The invoice contains multiple payment secrets */ @@ -344,6 +353,10 @@ typedef enum LDKSemanticError { * The invoice's signature is invalid */ LDKSemanticError_InvalidSignature, + /** + * The invoice's amount was not a whole number of millisatoshis + */ + LDKSemanticError_ImpreciseAmount, /** * Must be last for serialization purposes */ @@ -1040,7 +1053,64 @@ typedef struct LDKCResult_BuiltCommitmentTransactionDecodeErrorZ { /** - * This class tracks the per-transaction information needed to build a commitment transaction and to + * A wrapper on ClosingTransaction indicating that the built bitcoin + * transaction is trusted. + * + * See trust() and verify() functions on CommitmentTransaction. + * + * This structure implements Deref. + */ +typedef struct MUST_USE_STRUCT LDKTrustedClosingTransaction { + /** + * 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. + */ + LDKnativeTrustedClosingTransaction *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; +} LDKTrustedClosingTransaction; + +/** + * The contents of CResult_TrustedClosingTransactionNoneZ + */ +typedef union LDKCResult_TrustedClosingTransactionNoneZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKTrustedClosingTransaction *result; + /** + * Note that this value is always NULL, as there are no contents in the Err variant + */ + void *err; +} LDKCResult_TrustedClosingTransactionNoneZPtr; + +/** + * A CResult_TrustedClosingTransactionNoneZ represents the result of a fallible operation, + * containing a crate::lightning::ln::chan_utils::TrustedClosingTransaction on success and a () on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_TrustedClosingTransactionNoneZ { + /** + * The contents of this CResult_TrustedClosingTransactionNoneZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_TrustedClosingTransactionNoneZPtr contents; + /** + * Whether this CResult_TrustedClosingTransactionNoneZ represents a success state. + */ + bool result_ok; +} LDKCResult_TrustedClosingTransactionNoneZ; + + + +/** + * This class tracks the per-transaction information needed to build a commitment transaction and will * actually build it and sign. It is used for holder transactions that we sign only when needed * and for transactions we sign for the counterparty. * @@ -1184,6 +1254,114 @@ typedef struct LDKCResult_CVec_SignatureZNoneZ { bool result_ok; } LDKCResult_CVec_SignatureZNoneZ; + + +/** + * A script pubkey for shutting down a channel as defined by [BOLT #2]. + * + * [BOLT #2]: https://github.com/lightningnetwork/lightning-rfc/blob/master/02-peer-protocol.md + */ +typedef struct MUST_USE_STRUCT LDKShutdownScript { + /** + * 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. + */ + LDKnativeShutdownScript *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; +} LDKShutdownScript; + +/** + * The contents of CResult_ShutdownScriptDecodeErrorZ + */ +typedef union LDKCResult_ShutdownScriptDecodeErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKShutdownScript *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_ShutdownScriptDecodeErrorZPtr; + +/** + * A CResult_ShutdownScriptDecodeErrorZ represents the result of a fallible operation, + * containing a crate::lightning::ln::script::ShutdownScript 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_ShutdownScriptDecodeErrorZ { + /** + * The contents of this CResult_ShutdownScriptDecodeErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_ShutdownScriptDecodeErrorZPtr contents; + /** + * Whether this CResult_ShutdownScriptDecodeErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_ShutdownScriptDecodeErrorZ; + + + +/** + * An error occurring when converting from [`Script`] to [`ShutdownScript`]. + */ +typedef struct MUST_USE_STRUCT LDKInvalidShutdownScript { + /** + * 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. + */ + LDKnativeInvalidShutdownScript *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; +} LDKInvalidShutdownScript; + +/** + * The contents of CResult_ShutdownScriptInvalidShutdownScriptZ + */ +typedef union LDKCResult_ShutdownScriptInvalidShutdownScriptZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKShutdownScript *result; + /** + * A pointer to the contents in the error state. + * Reading from this pointer when `result_ok` is set is undefined. + */ + struct LDKInvalidShutdownScript *err; +} LDKCResult_ShutdownScriptInvalidShutdownScriptZPtr; + +/** + * A CResult_ShutdownScriptInvalidShutdownScriptZ represents the result of a fallible operation, + * containing a crate::lightning::ln::script::ShutdownScript on success and a crate::lightning::ln::script::InvalidShutdownScript on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ { + /** + * The contents of this CResult_ShutdownScriptInvalidShutdownScriptZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_ShutdownScriptInvalidShutdownScriptZPtr contents; + /** + * Whether this CResult_ShutdownScriptInvalidShutdownScriptZ represents a success state. + */ + bool result_ok; +} LDKCResult_ShutdownScriptInvalidShutdownScriptZ; + /** * The contents of CResult_NoneErrorZ */ @@ -1355,68 +1533,63 @@ typedef struct LDKCResult_RouteDecodeErrorZ { bool result_ok; } LDKCResult_RouteDecodeErrorZ; -/** - * An enum which can either contain a u64 or not - */ -typedef enum LDKCOption_u64Z_Tag { - /** - * When we're in this state, this COption_u64Z contains a u64 - */ - LDKCOption_u64Z_Some, - /** - * When we're in this state, this COption_u64Z contains nothing - */ - LDKCOption_u64Z_None, - /** - * Must be last for serialization purposes - */ - LDKCOption_u64Z_Sentinel, -} LDKCOption_u64Z_Tag; - -typedef struct LDKCOption_u64Z { - LDKCOption_u64Z_Tag tag; - union { - struct { - uint64_t some; - }; - }; -} LDKCOption_u64Z; - /** - * Details of a channel, as returned by ChannelManager::list_channels and ChannelManager::list_usable_channels + * 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 LDKChannelDetails { +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. */ - LDKnativeChannelDetails *inner; + 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; -} LDKChannelDetails; +} LDKRouteParameters; /** - * A dynamically-allocated array of crate::lightning::ln::channelmanager::ChannelDetailss of arbitrary size. - * This corresponds to std::vector in C++ + * The contents of CResult_RouteParametersDecodeErrorZ */ -typedef struct LDKCVec_ChannelDetailsZ { +typedef union LDKCResult_RouteParametersDecodeErrorZPtr { /** - * The elements in the array. - * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. */ - struct LDKChannelDetails *data; + struct LDKRouteParameters *result; /** - * The number of elements pointed to by `data`. + * A pointer to the contents in the error state. + * Reading from this pointer when `result_ok` is set is undefined. */ - uintptr_t datalen; -} LDKCVec_ChannelDetailsZ; + 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; @@ -1454,88 +1627,306 @@ typedef struct LDKCVec_RouteHintZ { uintptr_t datalen; } LDKCVec_RouteHintZ; +/** + * An enum which can either contain a u64 or not + */ +typedef enum LDKCOption_u64Z_Tag { + /** + * When we're in this state, this COption_u64Z contains a u64 + */ + LDKCOption_u64Z_Some, + /** + * When we're in this state, this COption_u64Z contains nothing + */ + LDKCOption_u64Z_None, + /** + * Must be last for serialization purposes + */ + LDKCOption_u64Z_Sentinel, +} LDKCOption_u64Z_Tag; + +typedef struct LDKCOption_u64Z { + LDKCOption_u64Z_Tag tag; + union { + struct { + uint64_t some; + }; + }; +} LDKCOption_u64Z; + /** - * An Err type for failure to process messages. + * The recipient of a payment. */ -typedef struct MUST_USE_STRUCT LDKLightningError { +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. */ - LDKnativeLightningError *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; -} LDKLightningError; +} LDKPayee; /** - * The contents of CResult_RouteLightningErrorZ + * The contents of CResult_PayeeDecodeErrorZ */ -typedef union LDKCResult_RouteLightningErrorZPtr { +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 LDKRoute *result; + struct LDKPayee *result; /** * A pointer to the contents in the error state. * Reading from this pointer when `result_ok` is set is undefined. */ - struct LDKLightningError *err; -} LDKCResult_RouteLightningErrorZPtr; + struct LDKDecodeError *err; +} LDKCResult_PayeeDecodeErrorZPtr; /** - * A CResult_RouteLightningErrorZ represents the result of a fallible operation, - * containing a crate::lightning::routing::router::Route on success and a crate::lightning::ln::msgs::LightningError on failure. + * 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_RouteLightningErrorZ { +typedef struct LDKCResult_PayeeDecodeErrorZ { /** - * The contents of this CResult_RouteLightningErrorZ, accessible via either + * The contents of this CResult_PayeeDecodeErrorZ, accessible via either * `err` or `result` depending on the state of `result_ok`. */ - union LDKCResult_RouteLightningErrorZPtr contents; + union LDKCResult_PayeeDecodeErrorZPtr contents; /** - * Whether this CResult_RouteLightningErrorZ represents a success state. + * Whether this CResult_PayeeDecodeErrorZ represents a success state. */ bool result_ok; -} LDKCResult_RouteLightningErrorZ; +} LDKCResult_PayeeDecodeErrorZ; + + /** - * The contents of CResult_TxOutAccessErrorZ + * A channel descriptor for a hop along a payment path. */ -typedef union LDKCResult_TxOutAccessErrorZPtr { +typedef struct MUST_USE_STRUCT LDKRouteHintHop { /** - * 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 LDKTxOut *result; + LDKnativeRouteHintHop *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. */ - enum LDKAccessError *err; -} LDKCResult_TxOutAccessErrorZPtr; + bool is_owned; +} LDKRouteHintHop; /** - * A CResult_TxOutAccessErrorZ represents the result of a fallible operation, - * containing a crate::c_types::TxOut on success and a crate::lightning::chain::AccessError on failure. - * `result_ok` indicates the overall state, and the contents are provided via `contents`. + * A dynamically-allocated array of crate::lightning::routing::router::RouteHintHops of arbitrary size. + * This corresponds to std::vector in C++ */ -typedef struct LDKCResult_TxOutAccessErrorZ { +typedef struct LDKCVec_RouteHintHopZ { /** - * The contents of this CResult_TxOutAccessErrorZ, accessible via either - * `err` or `result` depending on the state of `result_ok`. + * The elements in the array. + * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). */ - union LDKCResult_TxOutAccessErrorZPtr contents; + struct LDKRouteHintHop *data; /** - * Whether this CResult_TxOutAccessErrorZ represents a success state. + * The number of elements pointed to by `data`. + */ + uintptr_t datalen; +} 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 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 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. + */ + 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; +} LDKChannelDetails; + +/** + * A dynamically-allocated array of crate::lightning::ln::channelmanager::ChannelDetailss of arbitrary size. + * This corresponds to std::vector in C++ + */ +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 LDKChannelDetails *data; + /** + * The number of elements pointed to by `data`. + */ + uintptr_t datalen; +} LDKCVec_ChannelDetailsZ; + + + +/** + * An Err type for failure to process messages. + */ +typedef struct MUST_USE_STRUCT LDKLightningError { + /** + * 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. + */ + LDKnativeLightningError *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; +} LDKLightningError; + +/** + * The contents of CResult_RouteLightningErrorZ + */ +typedef union LDKCResult_RouteLightningErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKRoute *result; + /** + * A pointer to the contents in the error state. + * Reading from this pointer when `result_ok` is set is undefined. + */ + struct LDKLightningError *err; +} LDKCResult_RouteLightningErrorZPtr; + +/** + * A CResult_RouteLightningErrorZ represents the result of a fallible operation, + * containing a crate::lightning::routing::router::Route on success and a crate::lightning::ln::msgs::LightningError on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_RouteLightningErrorZ { + /** + * The contents of this CResult_RouteLightningErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_RouteLightningErrorZPtr contents; + /** + * Whether this CResult_RouteLightningErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_RouteLightningErrorZ; + +/** + * The contents of CResult_TxOutAccessErrorZ + */ +typedef union LDKCResult_TxOutAccessErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKTxOut *result; + /** + * A pointer to the contents in the error state. + * Reading from this pointer when `result_ok` is set is undefined. + */ + enum LDKAccessError *err; +} LDKCResult_TxOutAccessErrorZPtr; + +/** + * A CResult_TxOutAccessErrorZ represents the result of a fallible operation, + * containing a crate::c_types::TxOut on success and a crate::lightning::chain::AccessError on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_TxOutAccessErrorZ { + /** + * The contents of this CResult_TxOutAccessErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_TxOutAccessErrorZPtr contents; + /** + * Whether this CResult_TxOutAccessErrorZ represents a success state. */ bool result_ok; } LDKCResult_TxOutAccessErrorZ; @@ -1614,7 +2005,7 @@ typedef union LDKCResult_NoneChannelMonitorUpdateErrZPtr { /** * A CResult_NoneChannelMonitorUpdateErrZ represents the result of a fallible operation, - * containing a () on success and a crate::lightning::chain::channelmonitor::ChannelMonitorUpdateErr on failure. + * containing a () on success and a crate::lightning::chain::ChannelMonitorUpdateErr on failure. * `result_ok` indicates the overall state, and the contents are provided via `contents`. */ typedef struct LDKCResult_NoneChannelMonitorUpdateErrZ { @@ -1683,15 +2074,44 @@ typedef enum LDKMonitorEvent_Tag { */ LDKMonitorEvent_HTLCEvent, /** - * A monitor event that the Channel's commitment transaction was broadcasted. + * 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_CommitmentTxBroadcasted, + 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 { @@ -1699,7 +2119,11 @@ typedef struct MUST_USE_STRUCT LDKMonitorEvent { struct LDKHTLCUpdate htlc_event; }; struct { - struct LDKOutPoint commitment_tx_broadcasted; + struct LDKOutPoint commitment_tx_confirmed; + }; + LDKMonitorEvent_LDKUpdateCompleted_Body update_completed; + struct { + struct LDKOutPoint update_failed; }; }; } LDKMonitorEvent; @@ -1749,6 +2173,121 @@ typedef struct LDKCOption_C2Tuple_usizeTransactionZZ { +/** + * A channel_update message to be sent or received from a peer + */ +typedef struct MUST_USE_STRUCT LDKChannelUpdate { + /** + * 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. + */ + LDKnativeChannelUpdate *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; +} LDKChannelUpdate; + +/** + * Update to the [`NetworkGraph`] based on payment failure information conveyed via the Onion + * return packet by a node along the route. See [BOLT #4] for details. + * + * [BOLT #4]: https://github.com/lightningnetwork/lightning-rfc/blob/master/04-onion-routing.md + */ +typedef enum LDKNetworkUpdate_Tag { + /** + * An error indicating a `channel_update` messages should be applied via + * [`NetworkGraph::update_channel`]. + */ + LDKNetworkUpdate_ChannelUpdateMessage, + /** + * An error indicating only that a channel has been closed, which should be applied via + * [`NetworkGraph::close_channel_from_update`]. + */ + LDKNetworkUpdate_ChannelClosed, + /** + * An error indicating only that a node has failed, which should be applied via + * [`NetworkGraph::fail_node`]. + */ + LDKNetworkUpdate_NodeFailure, + /** + * Must be last for serialization purposes + */ + LDKNetworkUpdate_Sentinel, +} LDKNetworkUpdate_Tag; + +typedef struct LDKNetworkUpdate_LDKChannelUpdateMessage_Body { + /** + * The update to apply via [`NetworkGraph::update_channel`]. + */ + struct LDKChannelUpdate msg; +} LDKNetworkUpdate_LDKChannelUpdateMessage_Body; + +typedef struct LDKNetworkUpdate_LDKChannelClosed_Body { + /** + * The short channel id of the closed channel. + */ + uint64_t short_channel_id; + /** + * Whether the channel should be permanently removed or temporarily disabled until a new + * `channel_update` message is received. + */ + bool is_permanent; +} LDKNetworkUpdate_LDKChannelClosed_Body; + +typedef struct LDKNetworkUpdate_LDKNodeFailure_Body { + /** + * The node id of the failed node. + */ + struct LDKPublicKey node_id; + /** + * Whether the node should be permanently removed from consideration or can be restored + * when a new `channel_update` message is received. + */ + bool is_permanent; +} LDKNetworkUpdate_LDKNodeFailure_Body; + +typedef struct MUST_USE_STRUCT LDKNetworkUpdate { + LDKNetworkUpdate_Tag tag; + union { + LDKNetworkUpdate_LDKChannelUpdateMessage_Body channel_update_message; + LDKNetworkUpdate_LDKChannelClosed_Body channel_closed; + LDKNetworkUpdate_LDKNodeFailure_Body node_failure; + }; +} LDKNetworkUpdate; + +/** + * An enum which can either contain a crate::lightning::routing::network_graph::NetworkUpdate or not + */ +typedef enum LDKCOption_NetworkUpdateZ_Tag { + /** + * When we're in this state, this COption_NetworkUpdateZ contains a crate::lightning::routing::network_graph::NetworkUpdate + */ + LDKCOption_NetworkUpdateZ_Some, + /** + * When we're in this state, this COption_NetworkUpdateZ contains nothing + */ + LDKCOption_NetworkUpdateZ_None, + /** + * Must be last for serialization purposes + */ + LDKCOption_NetworkUpdateZ_Sentinel, +} LDKCOption_NetworkUpdateZ_Tag; + +typedef struct LDKCOption_NetworkUpdateZ { + LDKCOption_NetworkUpdateZ_Tag tag; + union { + struct { + struct LDKNetworkUpdate some; + }; + }; +} LDKCOption_NetworkUpdateZ; + + + /** * Information about a spendable output to a P2WSH script. See * SpendableOutputDescriptor::DelayedPaymentOutput for more details on how to spend this. @@ -1799,8 +2338,8 @@ typedef struct MUST_USE_STRUCT LDKStaticPaymentOutputDescriptor { typedef enum LDKSpendableOutputDescriptor_Tag { /** * An output to a script which was provided via KeysInterface directly, either from - * `get_destination_script()` or `get_shutdown_pubkey()`, thus you should already know how to - * spend it. No secret keys are provided as rust-lightning was never given any key. + * `get_destination_script()` or `get_shutdown_scriptpubkey()`, thus you should already know + * how to spend it. No secret keys are provided as rust-lightning was never given any key. * These may include outputs from a transaction punishing our counterparty or claiming an HTLC * on-chain using the payment preimage or after it has timed out. */ @@ -2136,35 +2675,15 @@ typedef struct MUST_USE_STRUCT LDKChannelAnnouncement { /** - * A channel_update message to be sent or received from a peer + * A node_announcement message to be sent or received from a peer */ -typedef struct MUST_USE_STRUCT LDKChannelUpdate { +typedef struct MUST_USE_STRUCT LDKNodeAnnouncement { /** * 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. */ - LDKnativeChannelUpdate *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; -} LDKChannelUpdate; - - - -/** - * A node_announcement message to be sent or received from a peer - */ -typedef struct MUST_USE_STRUCT LDKNodeAnnouncement { - /** - * 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. - */ - LDKnativeNodeAnnouncement *inner; + LDKnativeNodeAnnouncement *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 @@ -2247,71 +2766,6 @@ typedef struct MUST_USE_STRUCT LDKErrorAction { }; } LDKErrorAction; -/** - * The information we received from a peer along the route of a payment we originated. This is - * returned by ChannelMessageHandler::handle_update_fail_htlc to be passed into - * RoutingMessageHandler::handle_htlc_fail_channel_update to update our network map. - */ -typedef enum LDKHTLCFailChannelUpdate_Tag { - /** - * We received an error which included a full ChannelUpdate message. - */ - LDKHTLCFailChannelUpdate_ChannelUpdateMessage, - /** - * We received an error which indicated only that a channel has been closed - */ - LDKHTLCFailChannelUpdate_ChannelClosed, - /** - * We received an error which indicated only that a node has failed - */ - LDKHTLCFailChannelUpdate_NodeFailure, - /** - * Must be last for serialization purposes - */ - LDKHTLCFailChannelUpdate_Sentinel, -} LDKHTLCFailChannelUpdate_Tag; - -typedef struct LDKHTLCFailChannelUpdate_LDKChannelUpdateMessage_Body { - /** - * The unwrapped message we received - */ - struct LDKChannelUpdate msg; -} LDKHTLCFailChannelUpdate_LDKChannelUpdateMessage_Body; - -typedef struct LDKHTLCFailChannelUpdate_LDKChannelClosed_Body { - /** - * The short_channel_id which has now closed. - */ - uint64_t short_channel_id; - /** - * when this true, this channel should be permanently removed from the - * consideration. Otherwise, this channel can be restored as new channel_update is received - */ - bool is_permanent; -} LDKHTLCFailChannelUpdate_LDKChannelClosed_Body; - -typedef struct LDKHTLCFailChannelUpdate_LDKNodeFailure_Body { - /** - * The node_id that has failed. - */ - struct LDKPublicKey node_id; - /** - * when this true, node should be permanently removed from the - * consideration. Otherwise, the channels connected to this node can be - * restored as new channel_update is received - */ - bool is_permanent; -} LDKHTLCFailChannelUpdate_LDKNodeFailure_Body; - -typedef struct MUST_USE_STRUCT LDKHTLCFailChannelUpdate { - LDKHTLCFailChannelUpdate_Tag tag; - union { - LDKHTLCFailChannelUpdate_LDKChannelUpdateMessage_Body channel_update_message; - LDKHTLCFailChannelUpdate_LDKChannelClosed_Body channel_closed; - LDKHTLCFailChannelUpdate_LDKNodeFailure_Body node_failure; - }; -} LDKHTLCFailChannelUpdate; - /** @@ -2470,11 +2924,6 @@ typedef enum LDKMessageSendEvent_Tag { * Broadcast an error downstream to be handled */ LDKMessageSendEvent_HandleError, - /** - * When a payment fails we may receive updates back from the hop where it failed. In such - * cases this event is generated so that we can inform the network graph of this information. - */ - LDKMessageSendEvent_PaymentFailureNetworkUpdate, /** * Query a peer for channels with funding transaction UTXOs in a block range. */ @@ -2663,13 +3112,6 @@ typedef struct LDKMessageSendEvent_LDKHandleError_Body { struct LDKErrorAction action; } LDKMessageSendEvent_LDKHandleError_Body; -typedef struct LDKMessageSendEvent_LDKPaymentFailureNetworkUpdate_Body { - /** - * The channel/node update which should be sent to NetGraphMsgHandler - */ - struct LDKHTLCFailChannelUpdate update; -} LDKMessageSendEvent_LDKPaymentFailureNetworkUpdate_Body; - typedef struct LDKMessageSendEvent_LDKSendChannelRangeQuery_Body { /** * The node_id of this message recipient @@ -2722,7 +3164,6 @@ typedef struct MUST_USE_STRUCT LDKMessageSendEvent { LDKMessageSendEvent_LDKBroadcastChannelUpdate_Body broadcast_channel_update; LDKMessageSendEvent_LDKSendChannelUpdate_Body send_channel_update; LDKMessageSendEvent_LDKHandleError_Body handle_error; - LDKMessageSendEvent_LDKPaymentFailureNetworkUpdate_Body payment_failure_network_update; LDKMessageSendEvent_LDKSendChannelRangeQuery_Body send_channel_range_query; LDKMessageSendEvent_LDKSendShortIdsQuery_Body send_short_ids_query; LDKMessageSendEvent_LDKSendReplyChannelRange_Body send_reply_channel_range; @@ -2957,6 +3398,119 @@ typedef struct LDKCResult_InvoiceFeaturesDecodeErrorZ { bool result_ok; } LDKCResult_InvoiceFeaturesDecodeErrorZ; + + +/** + * Parameters for configuring [`Scorer`]. + */ +typedef struct MUST_USE_STRUCT LDKScoringParameters { + /** + * 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. + */ + LDKnativeScoringParameters *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; +} LDKScoringParameters; + +/** + * The contents of CResult_ScoringParametersDecodeErrorZ + */ +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 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_ScoringParametersDecodeErrorZPtr; + +/** + * 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_ScoringParametersDecodeErrorZ { + /** + * The contents of this CResult_ScoringParametersDecodeErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_ScoringParametersDecodeErrorZPtr contents; + /** + * Whether this CResult_ScoringParametersDecodeErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_ScoringParametersDecodeErrorZ; + + + +/** + * [`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 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 */ @@ -3056,6 +3610,37 @@ typedef struct LDKCResult_SpendableOutputDescriptorDecodeErrorZ { bool result_ok; } LDKCResult_SpendableOutputDescriptorDecodeErrorZ; +/** + * The contents of CResult_NoneNoneZ + */ +typedef union LDKCResult_NoneNoneZPtr { + /** + * Note that this value is always NULL, as there are no contents in the OK variant + */ + void *result; + /** + * Note that this value is always NULL, as there are no contents in the Err variant + */ + void *err; +} LDKCResult_NoneNoneZPtr; + +/** + * A CResult_NoneNoneZ represents the result of a fallible operation, + * containing a () on success and a () on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_NoneNoneZ { + /** + * The contents of this CResult_NoneNoneZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_NoneNoneZPtr contents; + /** + * Whether this CResult_NoneNoneZ represents a success state. + */ + bool result_ok; +} LDKCResult_NoneNoneZ; + /** * A tuple of 2 elements. See the individual fields for the types contained. */ @@ -3136,6 +3721,30 @@ typedef struct LDKCResult_SignatureNoneZ { +/** + * This class tracks the per-transaction information needed to build a closing transaction and will + * actually build it and sign. + * + * This class can be used inside a signer implementation to generate a signature given the relevant + * secret key. + */ +typedef struct MUST_USE_STRUCT LDKClosingTransaction { + /** + * 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. + */ + LDKnativeClosingTransaction *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; +} LDKClosingTransaction; + + + /** * The unsigned part of a channel_announcement */ @@ -3196,6 +3805,15 @@ typedef struct LDKBaseSign { * Note that the commitment number starts at (1 << 48) - 1 and counts backwards. */ struct LDKThirtyTwoBytes (*release_commitment_secret)(const void *this_arg, uint64_t idx); + /** + * Validate the counterparty's signatures on the holder commitment transaction and HTLCs. + * + * This is required in order for the signer to make sure that releasing a commitment + * secret won't leave us without a broadcastable holder transaction. + * Policy checks should be implemented in this function, including checking the amount + * sent to us and checking the HTLCs. + */ + struct LDKCResult_NoneNoneZ (*validate_holder_commitment)(const void *this_arg, const struct LDKHolderCommitmentTransaction *NONNULL_PTR holder_tx); /** * Gets the holder's channel public keys and basepoints */ @@ -3216,8 +3834,18 @@ typedef struct LDKBaseSign { * Create a signature for a counterparty's commitment transaction and associated HTLC transactions. * * Note that if signing fails or is rejected, the channel will be force-closed. + * + * Policy checks should be implemented in this function, including checking the amount + * sent to us and checking the HTLCs. */ struct LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ (*sign_counterparty_commitment)(const void *this_arg, const struct LDKCommitmentTransaction *NONNULL_PTR commitment_tx); + /** + * Validate the counterparty's revocation. + * + * This is required in order for the signer to make sure that the state has moved + * forward and it is safe to sign the next counterparty commitment. + */ + struct LDKCResult_NoneNoneZ (*validate_counterparty_revocation)(const void *this_arg, uint64_t idx, const uint8_t (*secret)[32]); /** * Create a signatures for a holder's commitment transaction and its claiming HTLC transactions. * This will only ever be called with a non-revoked commitment_tx. This will be called with the @@ -3295,7 +3923,7 @@ typedef struct LDKBaseSign { * Note that, due to rounding, there may be one \"missing\" satoshi, and either party may have * chosen to forgo their output as dust. */ - struct LDKCResult_SignatureNoneZ (*sign_closing_transaction)(const void *this_arg, struct LDKTransaction closing_tx); + struct LDKCResult_SignatureNoneZ (*sign_closing_transaction)(const void *this_arg, const struct LDKClosingTransaction *NONNULL_PTR closing_tx); /** * Signs a channel announcement message with our funding key, proving it comes from one * of the channel participants. @@ -3745,6 +4373,17 @@ typedef enum LDKAPIError_Tag { * attempted action to fail. */ LDKAPIError_MonitorUpdateFailed, + /** + * [`KeysInterface::get_shutdown_scriptpubkey`] returned a shutdown scriptpubkey incompatible + * with the channel counterparty as negotiated in [`InitFeatures`]. + * + * Using a SegWit v0 script should resolve this issue. If you cannot, you won't be able to open + * a channel or cooperatively close one with this peer (and will have to force-close instead). + * + * [`KeysInterface::get_shutdown_scriptpubkey`]: crate::chain::keysinterface::KeysInterface::get_shutdown_scriptpubkey + * [`InitFeatures`]: crate::ln::features::InitFeatures + */ + LDKAPIError_IncompatibleShutdownScript, /** * Must be last for serialization purposes */ @@ -3783,6 +4422,13 @@ typedef struct LDKAPIError_LDKChannelUnavailable_Body { struct LDKStr err; } LDKAPIError_LDKChannelUnavailable_Body; +typedef struct LDKAPIError_LDKIncompatibleShutdownScript_Body { + /** + * The incompatible shutdown script. + */ + struct LDKShutdownScript script; +} LDKAPIError_LDKIncompatibleShutdownScript_Body; + typedef struct MUST_USE_STRUCT LDKAPIError { LDKAPIError_Tag tag; union { @@ -3790,6 +4436,7 @@ typedef struct MUST_USE_STRUCT LDKAPIError { LDKAPIError_LDKFeeRateTooHigh_Body fee_rate_too_high; LDKAPIError_LDKRouteError_Body route_error; LDKAPIError_LDKChannelUnavailable_Body channel_unavailable; + LDKAPIError_LDKIncompatibleShutdownScript_Body incompatible_shutdown_script; }; } LDKAPIError; @@ -3857,6 +4504,39 @@ typedef struct LDKCVec_APIErrorZ { uintptr_t datalen; } LDKCVec_APIErrorZ; +/** + * The contents of CResult__u832APIErrorZ + */ +typedef union LDKCResult__u832APIErrorZPtr { + /** + * 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 LDKAPIError *err; +} LDKCResult__u832APIErrorZPtr; + +/** + * A CResult__u832APIErrorZ represents the result of a fallible operation, + * containing a crate::c_types::ThirtyTwoBytes on success and a crate::lightning::util::errors::APIError on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult__u832APIErrorZ { + /** + * The contents of this CResult__u832APIErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult__u832APIErrorZPtr contents; + /** + * Whether this CResult__u832APIErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult__u832APIErrorZ; + /** * If a payment fails to send, it can be in one of several states. This enum is returned as the * Err() type describing which state the payment is in, see the description of individual enum @@ -3906,6 +4586,25 @@ typedef enum LDKPaymentSendFailure_Tag { 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 { @@ -3918,76 +4617,121 @@ typedef struct MUST_USE_STRUCT LDKPaymentSendFailure { struct { struct LDKCVec_APIErrorZ all_failed_retry_safe; }; - struct { - struct LDKCVec_CResult_NoneAPIErrorZZ partial_failure; - }; + LDKPaymentSendFailure_LDKPartialFailure_Body partial_failure; }; } LDKPaymentSendFailure; /** - * The contents of CResult_NonePaymentSendFailureZ + * The contents of CResult_PaymentIdPaymentSendFailureZ */ -typedef union LDKCResult_NonePaymentSendFailureZPtr { +typedef union LDKCResult_PaymentIdPaymentSendFailureZPtr { /** - * Note that this value is always NULL, as there are no contents in the OK variant + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. */ - void *result; + struct LDKThirtyTwoBytes *result; /** * A pointer to the contents in the error state. * Reading from this pointer when `result_ok` is set is undefined. */ struct LDKPaymentSendFailure *err; -} LDKCResult_NonePaymentSendFailureZPtr; +} LDKCResult_PaymentIdPaymentSendFailureZPtr; /** - * A CResult_NonePaymentSendFailureZ represents the result of a fallible operation, - * containing a () on success and a crate::lightning::ln::channelmanager::PaymentSendFailure on failure. + * A CResult_PaymentIdPaymentSendFailureZ represents the result of a fallible operation, + * 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_NonePaymentSendFailureZ { +typedef struct LDKCResult_PaymentIdPaymentSendFailureZ { /** - * The contents of this CResult_NonePaymentSendFailureZ, accessible via either + * The contents of this CResult_PaymentIdPaymentSendFailureZ, accessible via either * `err` or `result` depending on the state of `result_ok`. */ - union LDKCResult_NonePaymentSendFailureZPtr contents; + union LDKCResult_PaymentIdPaymentSendFailureZPtr contents; /** - * Whether this CResult_NonePaymentSendFailureZ represents a success state. + * Whether this CResult_PaymentIdPaymentSendFailureZ represents a success state. */ bool result_ok; -} LDKCResult_NonePaymentSendFailureZ; +} LDKCResult_PaymentIdPaymentSendFailureZ; /** - * The contents of CResult_PaymentHashPaymentSendFailureZ + * The contents of CResult_NonePaymentSendFailureZ */ -typedef union LDKCResult_PaymentHashPaymentSendFailureZPtr { +typedef union LDKCResult_NonePaymentSendFailureZPtr { /** - * A pointer to the contents in the success state. - * Reading from this pointer when `result_ok` is not set is undefined. + * Note that this value is always NULL, as there are no contents in the OK variant */ - struct LDKThirtyTwoBytes *result; + void *result; /** * A pointer to the contents in the error state. * Reading from this pointer when `result_ok` is set is undefined. */ struct LDKPaymentSendFailure *err; -} LDKCResult_PaymentHashPaymentSendFailureZPtr; +} LDKCResult_NonePaymentSendFailureZPtr; /** - * A CResult_PaymentHashPaymentSendFailureZ represents the result of a fallible operation, - * containing a crate::c_types::ThirtyTwoBytes on success and a crate::lightning::ln::channelmanager::PaymentSendFailure on failure. + * A CResult_NonePaymentSendFailureZ represents the result of a fallible operation, + * containing a () 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_PaymentHashPaymentSendFailureZ { +typedef struct LDKCResult_NonePaymentSendFailureZ { /** - * The contents of this CResult_PaymentHashPaymentSendFailureZ, accessible via either + * The contents of this CResult_NonePaymentSendFailureZ, accessible via either * `err` or `result` depending on the state of `result_ok`. */ - union LDKCResult_PaymentHashPaymentSendFailureZPtr contents; + union LDKCResult_NonePaymentSendFailureZPtr contents; /** - * Whether this CResult_PaymentHashPaymentSendFailureZ represents a success state. + * Whether this CResult_NonePaymentSendFailureZ represents a success state. */ bool result_ok; -} LDKCResult_PaymentHashPaymentSendFailureZ; +} LDKCResult_NonePaymentSendFailureZ; + +/** + * A tuple of 2 elements. See the individual fields for the types contained. + */ +typedef struct LDKC2Tuple_PaymentHashPaymentIdZ { + /** + * The element at position 0 + */ + struct LDKThirtyTwoBytes a; + /** + * The element at position 1 + */ + struct LDKThirtyTwoBytes b; +} LDKC2Tuple_PaymentHashPaymentIdZ; + +/** + * The contents of CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ + */ +typedef union LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKC2Tuple_PaymentHashPaymentIdZ *result; + /** + * A pointer to the contents in the error state. + * Reading from this pointer when `result_ok` is set is undefined. + */ + struct LDKPaymentSendFailure *err; +} LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZPtr; + +/** + * A CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ represents the result of a fallible operation, + * containing a crate::c_types::derived::C2Tuple_PaymentHashPaymentIdZ 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_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ { + /** + * The contents of this CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZPtr contents; + /** + * Whether this CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ represents a success state. + */ + bool result_ok; +} LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ; /** * A 4-byte byte array. @@ -4228,9 +4972,7 @@ typedef struct MUST_USE_STRUCT LDKChannelMonitorUpdate { * funds in the channel. See [`ChannelMonitorUpdateErr`] for more details about how to handle * multiple instances. * - * [`ChannelMonitor`]: channelmonitor::ChannelMonitor - * [`ChannelMonitorUpdateErr`]: channelmonitor::ChannelMonitorUpdateErr - * [`PermanentFailure`]: channelmonitor::ChannelMonitorUpdateErr::PermanentFailure + * [`PermanentFailure`]: ChannelMonitorUpdateErr::PermanentFailure */ typedef struct LDKWatch { /** @@ -4245,6 +4987,9 @@ typedef struct LDKWatch { * with any spends of outputs returned by [`get_outputs_to_watch`]. In practice, this means * calling [`block_connected`] and [`block_disconnected`] on the monitor. * + * Note: this interface MUST error with `ChannelMonitorUpdateErr::PermanentFailure` if + * the given `funding_txo` has previously been registered via `watch_channel`. + * * [`get_outputs_to_watch`]: channelmonitor::ChannelMonitor::get_outputs_to_watch * [`block_connected`]: channelmonitor::ChannelMonitor::block_connected * [`block_disconnected`]: channelmonitor::ChannelMonitor::block_disconnected @@ -4257,12 +5002,18 @@ typedef struct LDKWatch { * [`ChannelMonitorUpdateErr`] for invariants around returning an error. * * [`update_monitor`]: channelmonitor::ChannelMonitor::update_monitor - * [`ChannelMonitorUpdateErr`]: channelmonitor::ChannelMonitorUpdateErr */ struct LDKCResult_NoneChannelMonitorUpdateErrZ (*update_channel)(const void *this_arg, struct LDKOutPoint funding_txo, struct LDKChannelMonitorUpdate update); /** * 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); /** @@ -4330,13 +5081,12 @@ typedef struct LDKKeysInterface { */ struct LDKCVec_u8Z (*get_destination_script)(const void *this_arg); /** - * Get a public key which we will send funds to (in the form of a P2WPKH output) when closing - * a channel. + * Get a script pubkey which we will send funds to when closing a channel. * * This method should return a different value each time it is called, to avoid linking * on-chain funds across channels as controlled to the same user. */ - struct LDKPublicKey (*get_shutdown_pubkey)(const void *this_arg); + struct LDKShutdownScript (*get_shutdown_scriptpubkey)(const void *this_arg); /** * Get a new set of Sign for per-channel secrets. These MUST be unique even if you * restarted with some stale data! @@ -4615,6 +5365,166 @@ typedef struct LDKCResult_OutPointDecodeErrorZ { bool result_ok; } LDKCResult_OutPointDecodeErrorZ; +/** + * Defines a type identifier for sending messages over the wire. + * + * Messages implementing this trait specify a type and must be [`Writeable`]. + */ +typedef struct LDKType { + /** + * 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 type identifying the message payload. + */ + uint16_t (*type_id)(const void *this_arg); + /** + * Return a human-readable "debug" string describing this object + */ + struct LDKStr (*debug_str)(const void *this_arg); + /** + * Serialize the object into a byte array + */ + struct LDKCVec_u8Z (*write)(const void *this_arg); + /** + * 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); +} LDKType; + +/** + * An enum which can either contain a crate::lightning::ln::wire::Type or not + */ +typedef enum LDKCOption_TypeZ_Tag { + /** + * When we're in this state, this COption_TypeZ contains a crate::lightning::ln::wire::Type + */ + LDKCOption_TypeZ_Some, + /** + * When we're in this state, this COption_TypeZ contains nothing + */ + LDKCOption_TypeZ_None, + /** + * Must be last for serialization purposes + */ + LDKCOption_TypeZ_Sentinel, +} LDKCOption_TypeZ_Tag; + +typedef struct LDKCOption_TypeZ { + LDKCOption_TypeZ_Tag tag; + union { + struct { + struct LDKType some; + }; + }; +} LDKCOption_TypeZ; + +/** + * The contents of CResult_COption_TypeZDecodeErrorZ + */ +typedef union LDKCResult_COption_TypeZDecodeErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKCOption_TypeZ *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_COption_TypeZDecodeErrorZPtr; + +/** + * A CResult_COption_TypeZDecodeErrorZ represents the result of a fallible operation, + * containing a crate::c_types::derived::COption_TypeZ 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_COption_TypeZDecodeErrorZ { + /** + * The contents of this CResult_COption_TypeZDecodeErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_COption_TypeZDecodeErrorZPtr contents; + /** + * Whether this CResult_COption_TypeZDecodeErrorZ represents a success state. + */ + 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 */ @@ -5483,6 +6393,83 @@ typedef struct MUST_USE_STRUCT LDKPaymentPurpose { }; } LDKPaymentPurpose; +/** + * The reason the channel was closed. See individual variants more details. + */ +typedef enum LDKClosureReason_Tag { + /** + * Closure generated from receiving a peer error message. + * + * Our counterparty may have broadcasted their latest commitment state, and we have + * as well. + */ + LDKClosureReason_CounterpartyForceClosed, + /** + * Closure generated from [`ChannelManager::force_close_channel`], called by the user. + * + * [`ChannelManager::force_close_channel`]: crate::ln::channelmanager::ChannelManager::force_close_channel. + */ + LDKClosureReason_HolderForceClosed, + /** + * The channel was closed after negotiating a cooperative close and we've now broadcasted + * the cooperative close transaction. Note the shutdown may have been initiated by us. + */ + LDKClosureReason_CooperativeClosure, + /** + * A commitment transaction was confirmed on chain, closing the channel. Most likely this + * commitment transaction came from our counterparty, but it may also have come from + * a copy of our own `ChannelMonitor`. + */ + LDKClosureReason_CommitmentTxConfirmed, + /** + * Closure generated from processing an event, likely a HTLC forward/relay/reception. + */ + LDKClosureReason_ProcessingError, + /** + * The `PeerManager` informed us that we've disconnected from the peer. We close channels + * if the `PeerManager` informed us that it is unlikely we'll be able to connect to the + * peer again in the future or if the peer disconnected before we finished negotiating + * the channel open. The first case may be caused by incompatible features which our + * counterparty, or we, require. + */ + LDKClosureReason_DisconnectedPeer, + /** + * Closure generated from `ChannelManager::read` if the ChannelMonitor is newer than + * the ChannelManager deserialized. + */ + LDKClosureReason_OutdatedChannelManager, + /** + * Must be last for serialization purposes + */ + LDKClosureReason_Sentinel, +} LDKClosureReason_Tag; + +typedef struct LDKClosureReason_LDKCounterpartyForceClosed_Body { + /** + * The error which the peer sent us. + * + * The string should be sanitized before it is used (e.g emitted to logs + * or printed to stdout). Otherwise, a well crafted error message may exploit + * a security vulnerability in the terminal emulator or the logging subsystem. + */ + struct LDKStr peer_msg; +} LDKClosureReason_LDKCounterpartyForceClosed_Body; + +typedef struct LDKClosureReason_LDKProcessingError_Body { + /** + * A developer-readable error message which we generated. + */ + struct LDKStr err; +} LDKClosureReason_LDKProcessingError_Body; + +typedef struct MUST_USE_STRUCT LDKClosureReason { + LDKClosureReason_Tag tag; + union { + LDKClosureReason_LDKCounterpartyForceClosed_Body counterparty_force_closed; + LDKClosureReason_LDKProcessingError_Body processing_error; + }; +} LDKClosureReason; + /** * An Event which you should probably take some action in response to. * @@ -5501,27 +6488,31 @@ typedef enum LDKEvent_Tag { LDKEvent_FundingGenerationReady, /** * Indicates we've received money! Just gotta dig out that payment preimage and feed it to - * ChannelManager::claim_funds to get it.... - * Note that if the preimage is not known or the amount paid is incorrect, you should call - * ChannelManager::fail_htlc_backwards to free up resources for this HTLC and avoid + * [`ChannelManager::claim_funds`] to get it.... + * Note that if the preimage is not known, you should call + * [`ChannelManager::fail_htlc_backwards`] to free up resources for this HTLC and avoid * network congestion. - * The amount paid should be considered 'incorrect' when it is less than or more than twice - * the amount expected. - * If you fail to call either ChannelManager::claim_funds or - * ChannelManager::fail_htlc_backwards within the HTLC's timeout, the HTLC will be + * If you fail to call either [`ChannelManager::claim_funds`] or + * [`ChannelManager::fail_htlc_backwards`] within the HTLC's timeout, the HTLC will be * automatically failed. + * + * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds + * [`ChannelManager::fail_htlc_backwards`]: crate::ln::channelmanager::ChannelManager::fail_htlc_backwards */ LDKEvent_PaymentReceived, /** - * Indicates an outbound payment we made succeeded (ie it made it all the way to its target + * Indicates an outbound payment we made succeeded (i.e. it made it all the way to its target * and we got back the payment preimage for it). + * + * Note for MPP payments: in rare cases, this event may be preceded by a `PaymentPathFailed` + * event. In this situation, you SHOULD treat this payment as having succeeded. */ LDKEvent_PaymentSent, /** * Indicates an outbound payment we made failed. Probably some intermediary node dropped * something. You may wish to retry with a different route. */ - LDKEvent_PaymentFailed, + LDKEvent_PaymentPathFailed, /** * Used to indicate that ChannelManager::process_pending_htlc_forwards should be called at a * time in the future. @@ -5540,6 +6531,15 @@ typedef enum LDKEvent_Tag { * forwarding fee earned. */ LDKEvent_PaymentForwarded, + /** + * Used to indicate that a channel with the given `channel_id` is in the process of closure. + */ + LDKEvent_ChannelClosed, + /** + * Used to indicate to the user that they can abandon the funding transaction and recycle the + * inputs for another purpose. + */ + LDKEvent_DiscardFunding, /** * Must be last for serialization purposes */ @@ -5561,7 +6561,10 @@ typedef struct LDKEvent_LDKFundingGenerationReady_Body { */ struct LDKCVec_u8Z output_script; /** - * The value passed in to ChannelManager::create_channel + * The `user_channel_id` value passed in to [`ChannelManager::create_channel`], or 0 for + * an inbound channel. + * + * [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel */ uint64_t user_channel_id; } LDKEvent_LDKFundingGenerationReady_Body; @@ -5572,9 +6575,7 @@ typedef struct LDKEvent_LDKPaymentReceived_Body { */ struct LDKThirtyTwoBytes payment_hash; /** - * The value, in thousandths of a satoshi, that this payment is for. Note that you must - * compare this to the expected value before accepting the payment (as otherwise you are - * providing proof-of-payment for less than the value you expected!). + * The value, in thousandths of a satoshi, that this payment is for. */ uint64_t amt; /** @@ -5585,15 +6586,53 @@ typedef struct LDKEvent_LDKPaymentReceived_Body { } 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 * store it somehow! */ struct LDKThirtyTwoBytes payment_preimage; + /** + * The hash which was given to [`ChannelManager::send_payment`]. + * + * [`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_LDKPaymentFailed_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. */ @@ -5604,7 +6643,46 @@ typedef struct LDKEvent_LDKPaymentFailed_Body { * retry the payment via a different route. */ bool rejected_by_dest; -} LDKEvent_LDKPaymentFailed_Body; + /** + * Any failure information conveyed via the Onion return packet by a node along the failed + * payment route. + * + * Should be applied to the [`NetworkGraph`] so that routing decisions can take into + * account the update. [`NetGraphMsgHandler`] is capable of doing this. + * + * [`NetworkGraph`]: crate::routing::network_graph::NetworkGraph + * [`NetGraphMsgHandler`]: crate::routing::network_graph::NetGraphMsgHandler + */ + struct LDKCOption_NetworkUpdateZ network_update; + /** + * For both single-path and multi-path payments, this is set if all paths of the payment have + * failed. This will be set to false if (1) this is an MPP payment and (2) other parts of the + * larger MPP payment were still in flight when this event was generated. + */ + bool all_paths_failed; + /** + * The payment path that failed. + */ + struct LDKCVec_RouteHopZ path; + /** + * The channel responsible for the failed payment path. + * + * If this is `Some`, then the corresponding channel should be avoided when the payment is + * 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 { /** @@ -5647,16 +6725,49 @@ typedef struct LDKEvent_LDKPaymentForwarded_Body { bool claim_from_onchain_tx; } LDKEvent_LDKPaymentForwarded_Body; +typedef struct LDKEvent_LDKChannelClosed_Body { + /** + * The channel_id of the channel which has been closed. Note that on-chain transactions + * resolving the channel are likely still awaiting confirmation. + */ + struct LDKThirtyTwoBytes channel_id; + /** + * The `user_channel_id` value passed in to [`ChannelManager::create_channel`], or 0 for + * an inbound channel. This will always be zero for objects serialized with LDK versions + * prior to 0.0.102. + * + * [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel + */ + uint64_t user_channel_id; + /** + * The reason the channel was closed. + */ + struct LDKClosureReason reason; +} LDKEvent_LDKChannelClosed_Body; + +typedef struct LDKEvent_LDKDiscardFunding_Body { + /** + * The channel_id of the channel which has been closed. + */ + struct LDKThirtyTwoBytes channel_id; + /** + * The full transaction received from the user + */ + struct LDKTransaction transaction; +} LDKEvent_LDKDiscardFunding_Body; + typedef struct MUST_USE_STRUCT LDKEvent { LDKEvent_Tag tag; union { LDKEvent_LDKFundingGenerationReady_Body funding_generation_ready; LDKEvent_LDKPaymentReceived_Body payment_received; LDKEvent_LDKPaymentSent_Body payment_sent; - LDKEvent_LDKPaymentFailed_Body payment_failed; + LDKEvent_LDKPaymentPathFailed_Body payment_path_failed; LDKEvent_LDKPendingHTLCsForwardable_Body pending_htl_cs_forwardable; LDKEvent_LDKSpendableOutputs_Body spendable_outputs; LDKEvent_LDKPaymentForwarded_Body payment_forwarded; + LDKEvent_LDKChannelClosed_Body channel_closed; + LDKEvent_LDKDiscardFunding_Body discard_funding; }; } LDKEvent; @@ -5753,37 +6864,212 @@ typedef struct LDKCVec_TransactionOutputsZ { } LDKCVec_TransactionOutputsZ; /** - * The contents of CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ + * Details about the balance(s) available for spending once the channel appears on chain. + * + * See [`ChannelMonitor::get_claimable_balances`] for more details on when these will or will not + * be provided. */ -typedef union LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZPtr { +typedef enum LDKBalance_Tag { /** - * A pointer to the contents in the success state. - * Reading from this pointer when `result_ok` is not set is undefined. + * The channel is not yet closed (or the commitment or closing transaction has not yet + * appeared in a block). The given balance is claimable (less on-chain fees) if the channel is + * force-closed now. */ - struct LDKC2Tuple_BlockHashChannelMonitorZ *result; + LDKBalance_ClaimableOnChannelClose, /** - * A pointer to the contents in the error state. - * Reading from this pointer when `result_ok` is set is undefined. + * The channel has been closed, and the given balance is ours but awaiting confirmations until + * we consider it spendable. */ - struct LDKDecodeError *err; -} LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZPtr; - -/** - * A CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ represents the result of a fallible operation, - * containing a crate::c_types::derived::C2Tuple_BlockHashChannelMonitorZ 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_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ { + LDKBalance_ClaimableAwaitingConfirmations, /** - * The contents of this CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ, accessible via either - * `err` or `result` depending on the state of `result_ok`. + * The channel has been closed, and the given balance should be ours but awaiting spending + * transaction confirmation. If the spending transaction does not confirm in time, it is + * possible our counterparty can take the funds by broadcasting an HTLC timeout on-chain. + * + * Once the spending transaction confirms, before it has reached enough confirmations to be + * considered safe from chain reorganizations, the balance will instead be provided via + * [`Balance::ClaimableAwaitingConfirmations`]. */ - union LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZPtr contents; + LDKBalance_ContentiousClaimable, /** - * Whether this CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ represents a success state. + * HTLCs which we sent to our counterparty which are claimable after a timeout (less on-chain + * fees) if the counterparty does not know the preimage for the HTLCs. These are somewhat + * likely to be claimed by our counterparty before we do. */ - bool result_ok; -} LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ; + LDKBalance_MaybeClaimableHTLCAwaitingTimeout, + /** + * Must be last for serialization purposes + */ + LDKBalance_Sentinel, +} LDKBalance_Tag; + +typedef struct LDKBalance_LDKClaimableOnChannelClose_Body { + /** + * The amount available to claim, in satoshis, excluding the on-chain fees which will be + * required to do so. + */ + uint64_t claimable_amount_satoshis; +} LDKBalance_LDKClaimableOnChannelClose_Body; + +typedef struct LDKBalance_LDKClaimableAwaitingConfirmations_Body { + /** + * The amount available to claim, in satoshis, possibly excluding the on-chain fees which + * were spent in broadcasting the transaction. + */ + uint64_t claimable_amount_satoshis; + /** + * The height at which an [`Event::SpendableOutputs`] event will be generated for this + * amount. + */ + uint32_t confirmation_height; +} LDKBalance_LDKClaimableAwaitingConfirmations_Body; + +typedef struct LDKBalance_LDKContentiousClaimable_Body { + /** + * The amount available to claim, in satoshis, excluding the on-chain fees which will be + * required to do so. + */ + uint64_t claimable_amount_satoshis; + /** + * The height at which the counterparty may be able to claim the balance if we have not + * done so. + */ + uint32_t timeout_height; +} LDKBalance_LDKContentiousClaimable_Body; + +typedef struct LDKBalance_LDKMaybeClaimableHTLCAwaitingTimeout_Body { + /** + * The amount available to claim, in satoshis, excluding the on-chain fees which will be + * required to do so. + */ + uint64_t claimable_amount_satoshis; + /** + * The height at which we will be able to claim the balance if our counterparty has not + * done so. + */ + uint32_t claimable_height; +} LDKBalance_LDKMaybeClaimableHTLCAwaitingTimeout_Body; + +typedef struct MUST_USE_STRUCT LDKBalance { + LDKBalance_Tag tag; + union { + LDKBalance_LDKClaimableOnChannelClose_Body claimable_on_channel_close; + LDKBalance_LDKClaimableAwaitingConfirmations_Body claimable_awaiting_confirmations; + LDKBalance_LDKContentiousClaimable_Body contentious_claimable; + LDKBalance_LDKMaybeClaimableHTLCAwaitingTimeout_Body maybe_claimable_htlc_awaiting_timeout; + }; +} LDKBalance; + +/** + * A dynamically-allocated array of crate::lightning::chain::channelmonitor::Balances of arbitrary size. + * This corresponds to std::vector in C++ + */ +typedef struct LDKCVec_BalanceZ { + /** + * The elements in the array. + * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). + */ + struct LDKBalance *data; + /** + * The number of elements pointed to by `data`. + */ + uintptr_t datalen; +} LDKCVec_BalanceZ; + +/** + * The contents of CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ + */ +typedef union LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKC2Tuple_BlockHashChannelMonitorZ *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_C2Tuple_BlockHashChannelMonitorZDecodeErrorZPtr; + +/** + * A CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ represents the result of a fallible operation, + * containing a crate::c_types::derived::C2Tuple_BlockHashChannelMonitorZ 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_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ { + /** + * The contents of this CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZPtr contents; + /** + * Whether this CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ; + +/** + * The contents of CResult_NoneLightningErrorZ + */ +typedef union LDKCResult_NoneLightningErrorZPtr { + /** + * Note that this value is always NULL, as there are no contents in the OK variant + */ + void *result; + /** + * A pointer to the contents in the error state. + * Reading from this pointer when `result_ok` is set is undefined. + */ + struct LDKLightningError *err; +} LDKCResult_NoneLightningErrorZPtr; + +/** + * A CResult_NoneLightningErrorZ represents the result of a fallible operation, + * containing a () on success and a crate::lightning::ln::msgs::LightningError on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_NoneLightningErrorZ { + /** + * The contents of this CResult_NoneLightningErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_NoneLightningErrorZPtr contents; + /** + * Whether this CResult_NoneLightningErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_NoneLightningErrorZ; + +/** + * A tuple of 2 elements. See the individual fields for the types contained. + */ +typedef struct LDKC2Tuple_PublicKeyTypeZ { + /** + * The element at position 0 + */ + struct LDKPublicKey a; + /** + * The element at position 1 + */ + struct LDKType b; +} LDKC2Tuple_PublicKeyTypeZ; + +/** + * A dynamically-allocated array of crate::c_types::derived::C2Tuple_PublicKeyTypeZs of arbitrary size. + * This corresponds to std::vector in C++ + */ +typedef struct LDKCVec_C2Tuple_PublicKeyTypeZZ { + /** + * The elements in the array. + * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). + */ + struct LDKC2Tuple_PublicKeyTypeZ *data; + /** + * The number of elements pointed to by `data`. + */ + uintptr_t datalen; +} LDKCVec_C2Tuple_PublicKeyTypeZZ; /** * The contents of CResult_boolLightningErrorZ @@ -5868,38 +7154,6 @@ typedef struct LDKCVec_NodeAnnouncementZ { uintptr_t datalen; } LDKCVec_NodeAnnouncementZ; -/** - * The contents of CResult_NoneLightningErrorZ - */ -typedef union LDKCResult_NoneLightningErrorZPtr { - /** - * Note that this value is always NULL, as there are no contents in the OK variant - */ - void *result; - /** - * A pointer to the contents in the error state. - * Reading from this pointer when `result_ok` is set is undefined. - */ - struct LDKLightningError *err; -} LDKCResult_NoneLightningErrorZPtr; - -/** - * A CResult_NoneLightningErrorZ represents the result of a fallible operation, - * containing a () on success and a crate::lightning::ln::msgs::LightningError on failure. - * `result_ok` indicates the overall state, and the contents are provided via `contents`. - */ -typedef struct LDKCResult_NoneLightningErrorZ { - /** - * The contents of this CResult_NoneLightningErrorZ, accessible via either - * `err` or `result` depending on the state of `result_ok`. - */ - union LDKCResult_NoneLightningErrorZPtr contents; - /** - * Whether this CResult_NoneLightningErrorZ represents a success state. - */ - bool result_ok; -} LDKCResult_NoneLightningErrorZ; - /** * A dynamically-allocated array of crate::c_types::PublicKeys of arbitrary size. * This corresponds to std::vector in C++ @@ -6038,6 +7292,111 @@ typedef struct LDKCResult_boolPeerHandleErrorZ { +/** + * Represents the compressed public key of a node + */ +typedef struct MUST_USE_STRUCT LDKNodeId { + /** + * 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. + */ + LDKnativeNodeId *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; +} LDKNodeId; + +/** + * The contents of CResult_NodeIdDecodeErrorZ + */ +typedef union LDKCResult_NodeIdDecodeErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKNodeId *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_NodeIdDecodeErrorZPtr; + +/** + * A CResult_NodeIdDecodeErrorZ represents the result of a fallible operation, + * containing a crate::lightning::routing::network_graph::NodeId 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_NodeIdDecodeErrorZ { + /** + * The contents of this CResult_NodeIdDecodeErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_NodeIdDecodeErrorZPtr contents; + /** + * Whether this CResult_NodeIdDecodeErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_NodeIdDecodeErrorZ; + +/** + * The `Access` trait defines behavior for accessing chain data and state, such as blocks and + * UTXOs. + */ +typedef struct LDKAccess { + /** + * 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 transaction output of a funding transaction encoded by [`short_channel_id`]. + * Returns an error if `genesis_hash` is for a different chain or if such a transaction output + * is unknown. + * + * [`short_channel_id`]: https://github.com/lightningnetwork/lightning-rfc/blob/master/07-routing-gossip.md#definition-of-short_channel_id + */ + struct LDKCResult_TxOutAccessErrorZ (*get_utxo)(const void *this_arg, const uint8_t (*genesis_hash)[32], uint64_t short_channel_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); +} LDKAccess; + +/** + * An enum which can either contain a crate::lightning::chain::Access or not + */ +typedef enum LDKCOption_AccessZ_Tag { + /** + * When we're in this state, this COption_AccessZ contains a crate::lightning::chain::Access + */ + LDKCOption_AccessZ_Some, + /** + * When we're in this state, this COption_AccessZ contains nothing + */ + LDKCOption_AccessZ_None, + /** + * Must be last for serialization purposes + */ + LDKCOption_AccessZ_Sentinel, +} LDKCOption_AccessZ_Tag; + +typedef struct LDKCOption_AccessZ { + LDKCOption_AccessZ_Tag tag; + union { + struct { + struct LDKAccess some; + }; + }; +} LDKCOption_AccessZ; + + + /** * Details about one direction of a channel. Received * within a channel update. @@ -6373,86 +7732,47 @@ typedef struct LDKCResult_NetworkGraphDecodeErrorZ { } LDKCResult_NetworkGraphDecodeErrorZ; /** - * The contents of CResult_NetAddressu8Z + * An enum which can either contain a crate::c_types::derived::CVec_NetAddressZ or not */ -typedef union LDKCResult_NetAddressu8ZPtr { - /** - * A pointer to the contents in the success state. - * Reading from this pointer when `result_ok` is not set is undefined. - */ - struct LDKNetAddress *result; +typedef enum LDKCOption_CVec_NetAddressZZ_Tag { /** - * A pointer to the contents in the error state. - * Reading from this pointer when `result_ok` is set is undefined. + * When we're in this state, this COption_CVec_NetAddressZZ contains a crate::c_types::derived::CVec_NetAddressZ */ - uint8_t *err; -} LDKCResult_NetAddressu8ZPtr; - -/** - * A CResult_NetAddressu8Z represents the result of a fallible operation, - * containing a crate::lightning::ln::msgs::NetAddress on success and a u8 on failure. - * `result_ok` indicates the overall state, and the contents are provided via `contents`. - */ -typedef struct LDKCResult_NetAddressu8Z { + LDKCOption_CVec_NetAddressZZ_Some, /** - * The contents of this CResult_NetAddressu8Z, accessible via either - * `err` or `result` depending on the state of `result_ok`. + * When we're in this state, this COption_CVec_NetAddressZZ contains nothing */ - union LDKCResult_NetAddressu8ZPtr contents; + LDKCOption_CVec_NetAddressZZ_None, /** - * Whether this CResult_NetAddressu8Z represents a success state. + * Must be last for serialization purposes */ - bool result_ok; -} LDKCResult_NetAddressu8Z; + LDKCOption_CVec_NetAddressZZ_Sentinel, +} LDKCOption_CVec_NetAddressZZ_Tag; + +typedef struct LDKCOption_CVec_NetAddressZZ { + LDKCOption_CVec_NetAddressZZ_Tag tag; + union { + struct { + struct LDKCVec_NetAddressZ some; + }; + }; +} LDKCOption_CVec_NetAddressZZ; /** - * The contents of CResult_CResult_NetAddressu8ZDecodeErrorZ + * The contents of CResult_NetAddressDecodeErrorZ */ -typedef union LDKCResult_CResult_NetAddressu8ZDecodeErrorZPtr { +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 LDKCResult_NetAddressu8Z *result; + 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_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; +} LDKCResult_NetAddressDecodeErrorZPtr; /** * A CResult_NetAddressDecodeErrorZ represents the result of a fallible operation, @@ -6749,6 +8069,61 @@ typedef struct LDKCResult_ClosingSignedDecodeErrorZ { +/** + * The minimum and maximum fees which the sender is willing to place on the closing transaction. + * This is provided in [`ClosingSigned`] by both sides to indicate the fee range they are willing + * to use. + */ +typedef struct MUST_USE_STRUCT LDKClosingSignedFeeRange { + /** + * 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. + */ + LDKnativeClosingSignedFeeRange *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; +} LDKClosingSignedFeeRange; + +/** + * The contents of CResult_ClosingSignedFeeRangeDecodeErrorZ + */ +typedef union LDKCResult_ClosingSignedFeeRangeDecodeErrorZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKClosingSignedFeeRange *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_ClosingSignedFeeRangeDecodeErrorZPtr; + +/** + * A CResult_ClosingSignedFeeRangeDecodeErrorZ represents the result of a fallible operation, + * containing a crate::lightning::ln::msgs::ClosingSignedFeeRange 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_ClosingSignedFeeRangeDecodeErrorZ { + /** + * The contents of this CResult_ClosingSignedFeeRangeDecodeErrorZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_ClosingSignedFeeRangeDecodeErrorZPtr contents; + /** + * Whether this CResult_ClosingSignedFeeRangeDecodeErrorZ represents a success state. + */ + bool result_ok; +} LDKCResult_ClosingSignedFeeRangeDecodeErrorZ; + + + /** * A commitment_signed message to be sent or received from a peer */ @@ -7884,6 +9259,186 @@ typedef struct LDKCResult_InvoiceSignOrCreationErrorZ { bool result_ok; } LDKCResult_InvoiceSignOrCreationErrorZ; + + +/** + * A transaction output watched by a [`ChannelMonitor`] for spends on-chain. + * + * Used to convey to a [`Filter`] such an output with a given spending condition. Any transaction + * spending the output must be given to [`ChannelMonitor::block_connected`] either directly or via + * the return value of [`Filter::register_output`]. + * + * If `block_hash` is `Some`, this indicates the output was created in the corresponding block and + * may have been spent there. See [`Filter::register_output`] for details. + * + * [`ChannelMonitor`]: channelmonitor::ChannelMonitor + * [`ChannelMonitor::block_connected`]: channelmonitor::ChannelMonitor::block_connected + */ +typedef struct MUST_USE_STRUCT LDKWatchedOutput { + /** + * 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. + */ + LDKnativeWatchedOutput *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; +} LDKWatchedOutput; + +/** + * The `Filter` trait defines behavior for indicating chain activity of interest pertaining to + * channels. + * + * This is useful in order to have a [`Watch`] implementation convey to a chain source which + * transactions to be notified of. Notification may take the form of pre-filtering blocks or, in + * the case of [BIP 157]/[BIP 158], only fetching a block if the compact filter matches. If + * receiving full blocks from a chain source, any further filtering is unnecessary. + * + * After an output has been registered, subsequent block retrievals from the chain source must not + * exclude any transactions matching the new criteria nor any in-block descendants of such + * transactions. + * + * Note that use as part of a [`Watch`] implementation involves reentrancy. Therefore, the `Filter` + * should not block on I/O. Implementations should instead queue the newly monitored data to be + * processed later. Then, in order to block until the data has been processed, any [`Watch`] + * invocation that has called the `Filter` must return [`TemporaryFailure`]. + * + * [`TemporaryFailure`]: ChannelMonitorUpdateErr::TemporaryFailure + * [BIP 157]: https://github.com/bitcoin/bips/blob/master/bip-0157.mediawiki + * [BIP 158]: https://github.com/bitcoin/bips/blob/master/bip-0158.mediawiki + */ +typedef struct LDKFilter { + /** + * 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; + /** + * Registers interest in a transaction with `txid` and having an output with `script_pubkey` as + * a spending condition. + */ + void (*register_tx)(const void *this_arg, const uint8_t (*txid)[32], struct LDKu8slice script_pubkey); + /** + * Registers interest in spends of a transaction output. + * + * Optionally, when `output.block_hash` is set, should return any transaction spending the + * output that is found in the corresponding block along with its index. + * + * This return value is useful for Electrum clients in order to supply in-block descendant + * transactions which otherwise were not included. This is not necessary for other clients if + * such descendant transactions were already included (e.g., when a BIP 157 client provides the + * full block). + */ + struct LDKCOption_C2Tuple_usizeTransactionZZ (*register_output)(const void *this_arg, struct LDKWatchedOutput output); + /** + * 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); +} LDKFilter; + +/** + * An enum which can either contain a crate::lightning::chain::Filter or not + */ +typedef enum LDKCOption_FilterZ_Tag { + /** + * When we're in this state, this COption_FilterZ contains a crate::lightning::chain::Filter + */ + LDKCOption_FilterZ_Some, + /** + * When we're in this state, this COption_FilterZ contains nothing + */ + LDKCOption_FilterZ_None, + /** + * Must be last for serialization purposes + */ + LDKCOption_FilterZ_Sentinel, +} LDKCOption_FilterZ_Tag; + +typedef struct LDKCOption_FilterZ { + LDKCOption_FilterZ_Tag tag; + union { + struct { + struct LDKFilter some; + }; + }; +} LDKCOption_FilterZ; + + + +/** + * A read-only reference to a current ChannelMonitor. + * + * Note that this holds a mutex in [`ChainMonitor`] and may block other events until it is + * released. + */ +typedef struct MUST_USE_STRUCT LDKLockedChannelMonitor { + /** + * 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. + */ + LDKnativeLockedChannelMonitor *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; +} LDKLockedChannelMonitor; + +/** + * The contents of CResult_LockedChannelMonitorNoneZ + */ +typedef union LDKCResult_LockedChannelMonitorNoneZPtr { + /** + * A pointer to the contents in the success state. + * Reading from this pointer when `result_ok` is not set is undefined. + */ + struct LDKLockedChannelMonitor *result; + /** + * Note that this value is always NULL, as there are no contents in the Err variant + */ + void *err; +} LDKCResult_LockedChannelMonitorNoneZPtr; + +/** + * A CResult_LockedChannelMonitorNoneZ represents the result of a fallible operation, + * containing a crate::lightning::chain::chainmonitor::LockedChannelMonitor on success and a () on failure. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_LockedChannelMonitorNoneZ { + /** + * The contents of this CResult_LockedChannelMonitorNoneZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_LockedChannelMonitorNoneZPtr contents; + /** + * Whether this CResult_LockedChannelMonitorNoneZ represents a success state. + */ + bool result_ok; +} LDKCResult_LockedChannelMonitorNoneZ; + +/** + * A dynamically-allocated array of crate::lightning::chain::transaction::OutPoints of arbitrary size. + * This corresponds to std::vector in C++ + */ +typedef struct LDKCVec_OutPointZ { + /** + * The elements in the array. + * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). + */ + struct LDKOutPoint *data; + /** + * The number of elements pointed to by `data`. + */ + uintptr_t datalen; +} LDKCVec_OutPointZ; + /** * A trait indicating an object may generate message send events */ @@ -7919,7 +9474,7 @@ typedef struct LDKEventHandler { * * See [`EventsProvider`] for details that must be considered when implementing this method. */ - void (*handle_event)(const void *this_arg, struct LDKEvent event); + void (*handle_event)(const void *this_arg, const struct LDKEvent *NONNULL_PTR event); /** * 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. @@ -8069,31 +9624,6 @@ typedef struct MUST_USE_STRUCT LDKBestBlock { bool is_owned; } LDKBestBlock; -/** - * The `Access` trait defines behavior for accessing chain data and state, such as blocks and - * UTXOs. - */ -typedef struct LDKAccess { - /** - * 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 transaction output of a funding transaction encoded by [`short_channel_id`]. - * Returns an error if `genesis_hash` is for a different chain or if such a transaction output - * is unknown. - * - * [`short_channel_id`]: https://github.com/lightningnetwork/lightning-rfc/blob/master/07-routing-gossip.md#definition-of-short_channel_id - */ - struct LDKCResult_TxOutAccessErrorZ (*get_utxo)(const void *this_arg, const uint8_t (*genesis_hash)[32], uint64_t short_channel_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); -} LDKAccess; - /** * The `Listen` trait is used to notify when blocks have been connected or disconnected from the * chain. @@ -8224,122 +9754,81 @@ typedef struct LDKConfirm { /** - * A transaction output watched by a [`ChannelMonitor`] for spends on-chain. - * - * Used to convey to a [`Filter`] such an output with a given spending condition. Any transaction - * spending the output must be given to [`ChannelMonitor::block_connected`] either directly or via - * the return value of [`Filter::register_output`]. - * - * If `block_hash` is `Some`, this indicates the output was created in the corresponding block and - * may have been spent there. See [`Filter::register_output`] for details. - * - * [`ChannelMonitor`]: channelmonitor::ChannelMonitor - * [`ChannelMonitor::block_connected`]: channelmonitor::ChannelMonitor::block_connected + * An opaque identifier describing a specific [`Persist`] method call. */ -typedef struct MUST_USE_STRUCT LDKWatchedOutput { +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. */ - LDKnativeWatchedOutput *inner; + 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; -} LDKWatchedOutput; +} LDKMonitorUpdateId; /** - * The `Filter` trait defines behavior for indicating chain activity of interest pertaining to - * channels. + * `Persist` defines behavior for persisting channel monitors: this could mean + * writing once to disk, and/or uploading to one or more backup services. * - * This is useful in order to have a [`Watch`] implementation convey to a chain source which - * transactions to be notified of. Notification may take the form of pre-filtering blocks or, in - * the case of [BIP 157]/[BIP 158], only fetching a block if the compact filter matches. If - * receiving full blocks from a chain source, any further filtering is unnecessary. - * - * After an output has been registered, subsequent block retrievals from the chain source must not - * exclude any transactions matching the new criteria nor any in-block descendants of such - * transactions. + * 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 use as part of a [`Watch`] implementation involves reentrancy. Therefore, the `Filter` - * should not block on I/O. Implementations should instead queue the newly monitored data to be - * processed later. Then, in order to block until the data has been processed, any [`Watch`] - * invocation that has called the `Filter` must return [`TemporaryFailure`]. + * Note that unlike the direct [`chain::Watch`] interface, + * [`ChainMonitor::channel_monitor_updated`] must be called once for *each* update which occurs. * - * [`TemporaryFailure`]: channelmonitor::ChannelMonitorUpdateErr::TemporaryFailure - * [BIP 157]: https://github.com/bitcoin/bips/blob/master/bip-0157.mediawiki - * [BIP 158]: https://github.com/bitcoin/bips/blob/master/bip-0158.mediawiki + * * 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 LDKFilter { +typedef struct LDKPersist { /** * 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; /** - * Registers interest in a transaction with `txid` and having an output with `script_pubkey` as - * a spending condition. - */ - void (*register_tx)(const void *this_arg, const uint8_t (*txid)[32], struct LDKu8slice script_pubkey); - /** - * Registers interest in spends of a transaction output. + * 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. * - * Optionally, when `output.block_hash` is set, should return any transaction spending the - * output that is found in the corresponding block along with its index. + * 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. * - * This return value is useful for Electrum clients in order to supply in-block descendant - * transactions which otherwise were not included. This is not necessary for other clients if - * such descendant transactions were already included (e.g., when a BIP 157 client provides the - * full block). - */ - struct LDKCOption_C2Tuple_usizeTransactionZZ (*register_output)(const void *this_arg, struct LDKWatchedOutput output); - /** - * 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); -} LDKFilter; - -/** - * `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. - */ -typedef struct LDKPersist { - /** - * 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; - /** - * 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. + * The `update_id` is used to identify this call to [`ChainMonitor::channel_monitor_updated`], + * if you return [`ChannelMonitorUpdateErr::TemporaryFailure`]. * - * See [`ChannelMonitor::write`] for writing out a `ChannelMonitor`, + * 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* @@ -8353,11 +9842,18 @@ typedef struct LDKPersist { * them in batches. The size of each monitor grows `O(number of state updates)` * whereas updates are small and `O(1)`. * - * See [`ChannelMonitor::write`] for writing out a `ChannelMonitor`, - * [`ChannelMonitorUpdate::write`] for writing out an update, and + * 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. @@ -8445,6 +9941,26 @@ typedef struct MUST_USE_STRUCT LDKChainParameters { +/** + * Information needed for constructing an invoice route hint for this channel. + */ +typedef struct MUST_USE_STRUCT LDKCounterpartyForwardingInfo { + /** + * 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. + */ + LDKnativeCounterpartyForwardingInfo *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; +} LDKCounterpartyForwardingInfo; + + + /** * Channel parameters which apply to our counterparty. These are split out from [`ChannelDetails`] * to better separate parameters. @@ -8587,20 +10103,25 @@ typedef struct LDKChannelMessageHandler { * * 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 @@ -8608,6 +10129,8 @@ typedef struct LDKChannelMessageHandler { * 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 { /** @@ -8677,10 +10200,6 @@ typedef struct LDKRoutingMessageHandler { * false or returning an Err otherwise. */ struct LDKCResult_boolLightningErrorZ (*handle_channel_update)(const void *this_arg, const struct LDKChannelUpdate *NONNULL_PTR msg); - /** - * Handle some updates to the route graph that we learned due to an outbound failed payment. - */ - void (*handle_htlc_fail_channel_update)(const void *this_arg, const struct LDKHTLCFailChannelUpdate *NONNULL_PTR update); /** * Gets a subset of the channel announcements and updates required to dump our routing table * to a remote node, starting at the short_channel_id indicated by starting_point and @@ -8736,6 +10255,62 @@ typedef struct LDKRoutingMessageHandler { void (*free)(void *this_arg); } LDKRoutingMessageHandler; +/** + * Trait to be implemented by custom message (unrelated to the channel/gossip LN layers) + * decoders. + */ +typedef struct LDKCustomMessageReader { + /** + * 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; + /** + * Decodes a custom message to `CustomMessageType`. If the given message type is known to the + * implementation and the message could be decoded, must return `Ok(Some(message))`. If the + * message type is unknown to the implementation, must return `Ok(None)`. If a decoding error + * occur, must return `Err(DecodeError::X)` where `X` details the encountered error. + */ + struct LDKCResult_COption_TypeZDecodeErrorZ (*read)(const void *this_arg, uint16_t message_type, struct LDKu8slice buffer); + /** + * 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); +} LDKCustomMessageReader; + +/** + * Handler for BOLT1-compliant messages. + */ +typedef struct LDKCustomMessageHandler { + /** + * 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; + /** + * Called with the message type that was received and the buffer to be read. + * Can return a `MessageHandlingError` if the message could not be handled. + */ + struct LDKCResult_NoneLightningErrorZ (*handle_custom_message)(const void *this_arg, struct LDKType msg, struct LDKPublicKey sender_node_id); + /** + * Gets the list of pending messages which were generated by the custom message + * handler, clearing the list in the process. The first tuple element must + * correspond to the intended recipients node ids. If no connection to one of the + * specified node does not exist, the message is simply not sent to it. + */ + struct LDKCVec_C2Tuple_PublicKeyTypeZZ (*get_and_clear_pending_msg)(const void *this_arg); + /** + * Implementation of CustomMessageReader for this object. + */ + struct LDKCustomMessageReader CustomMessageReader; + /** + * 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); +} LDKCustomMessageHandler; + /** @@ -8929,47 +10504,83 @@ typedef struct MUST_USE_STRUCT LDKDirectedChannelTransactionParameters { bool is_owned; } LDKDirectedChannelTransactionParameters; +/** + * An interface used to score payment channels for path finding. + * + *\tScoring is in terms of fees willing to be paid in order to avoid routing through a channel. + */ +typedef struct LDKScore { + /** + * 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 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, const struct LDKNodeId *NONNULL_PTR source, const struct LDKNodeId *NONNULL_PTR target); + /** + * Handles updating channel penalties after failing to route through a channel. + */ + void (*payment_path_failed)(void *this_arg, struct LDKCVec_RouteHopZ path, uint64_t short_channel_id); + /** + * Serialize the object into a byte array + */ + struct LDKCVec_u8Z (*write)(const void *this_arg); + /** + * 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); +} LDKScore; + /** - * A channel descriptor for a hop along a payment path. + * A scorer that is accessed under a lock. + * + * 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 LDKRouteHintHop { +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. */ - LDKnativeRouteHintHop *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; -} LDKRouteHintHop; +} LDKLockableScore; /** - * A simple newtype for RwLockReadGuard<'a, NetworkGraph>. - * This exists only to make accessing a RwLock possible from - * the C bindings, as it can be done directly in Rust code. + * A read-only view of [`NetworkGraph`]. */ -typedef struct MUST_USE_STRUCT LDKLockedNetworkGraph { +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. */ - LDKnativeLockedNetworkGraph *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; -} LDKLockedNetworkGraph; +} LDKReadOnlyNetworkGraph; @@ -8979,6 +10590,9 @@ typedef struct MUST_USE_STRUCT LDKLockedNetworkGraph { * This network graph is then used for routing payments. * Provides interface to help with initial routing sync by * serving historical announcements. + * + * Serves as an [`EventHandler`] for applying updates from [`Event::PaymentPathFailed`] to the + * [`NetworkGraph`]. */ typedef struct MUST_USE_STRUCT LDKNetGraphMsgHandler { /** @@ -9029,20 +10643,28 @@ typedef struct MUST_USE_STRUCT LDKFilesystemPersister { /** - * BackgroundProcessor takes care of tasks that (1) need to happen periodically to keep + * `BackgroundProcessor` takes care of tasks that (1) need to happen periodically to keep * Rust-Lightning running properly, and (2) either can or should be run in the background. Its * responsibilities are: - * * Monitoring whether the ChannelManager needs to be re-persisted to disk, and if so, + * * Processing [`Event`]s with a user-provided [`EventHandler`]. + * * Monitoring whether the [`ChannelManager`] needs to be re-persisted to disk, and if so, * writing it to disk/backups by invoking the callback given to it at startup. - * ChannelManager persistence should be done in the background. - * * Calling `ChannelManager::timer_tick_occurred()` and - * `PeerManager::timer_tick_occurred()` every minute (can be done in the - * background). - * - * Note that if ChannelManager persistence fails and the persisted manager becomes out-of-date, - * then there is a risk of channels force-closing on startup when the manager realizes it's - * outdated. However, as long as `ChannelMonitor` backups are sound, no funds besides those used - * for unilateral chain closure fees are at risk. + * [`ChannelManager`] persistence should be done in the background. + * * Calling [`ChannelManager::timer_tick_occurred`] and [`PeerManager::timer_tick_occurred`] + * at the appropriate intervals. + * + * It will also call [`PeerManager::process_events`] periodically though this shouldn't be relied + * upon as doing so may result in high latency. + * + * # Note + * + * If [`ChannelManager`] persistence fails and the persisted manager becomes out-of-date, then + * there is a risk of channels force-closing on startup when the manager realizes it's outdated. + * However, as long as [`ChannelMonitor`] backups are sound, no funds besides those used for + * unilateral chain closure fees are at risk. + * + * [`ChannelMonitor`]: lightning::chain::channelmonitor::ChannelMonitor + * [`Event`]: lightning::util::events::Event *BackgroundProcessor will immediately stop on drop. It should be stored until shutdown. */ typedef struct MUST_USE_STRUCT LDKBackgroundProcessor { @@ -9193,6 +10815,126 @@ typedef struct MUST_USE_STRUCT LDKFallback { }; } 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; @@ -9492,6 +11234,21 @@ void CResult_BuiltCommitmentTransactionDecodeErrorZ_free(struct LDKCResult_Built */ struct LDKCResult_BuiltCommitmentTransactionDecodeErrorZ CResult_BuiltCommitmentTransactionDecodeErrorZ_clone(const struct LDKCResult_BuiltCommitmentTransactionDecodeErrorZ *NONNULL_PTR orig); +/** + * Creates a new CResult_TrustedClosingTransactionNoneZ in the success state. + */ +struct LDKCResult_TrustedClosingTransactionNoneZ CResult_TrustedClosingTransactionNoneZ_ok(struct LDKTrustedClosingTransaction o); + +/** + * Creates a new CResult_TrustedClosingTransactionNoneZ in the error state. + */ +struct LDKCResult_TrustedClosingTransactionNoneZ CResult_TrustedClosingTransactionNoneZ_err(void); + +/** + * Frees any resources used by the CResult_TrustedClosingTransactionNoneZ. + */ +void CResult_TrustedClosingTransactionNoneZ_free(struct LDKCResult_TrustedClosingTransactionNoneZ _res); + /** * Creates a new CResult_CommitmentTransactionDecodeErrorZ in the success state. */ @@ -9549,6 +11306,42 @@ void CResult_CVec_SignatureZNoneZ_free(struct LDKCResult_CVec_SignatureZNoneZ _r */ struct LDKCResult_CVec_SignatureZNoneZ CResult_CVec_SignatureZNoneZ_clone(const struct LDKCResult_CVec_SignatureZNoneZ *NONNULL_PTR orig); +/** + * Creates a new CResult_ShutdownScriptDecodeErrorZ in the success state. + */ +struct LDKCResult_ShutdownScriptDecodeErrorZ CResult_ShutdownScriptDecodeErrorZ_ok(struct LDKShutdownScript o); + +/** + * Creates a new CResult_ShutdownScriptDecodeErrorZ in the error state. + */ +struct LDKCResult_ShutdownScriptDecodeErrorZ CResult_ShutdownScriptDecodeErrorZ_err(struct LDKDecodeError e); + +/** + * Frees any resources used by the CResult_ShutdownScriptDecodeErrorZ. + */ +void CResult_ShutdownScriptDecodeErrorZ_free(struct LDKCResult_ShutdownScriptDecodeErrorZ _res); + +/** + * Creates a new CResult_ShutdownScriptDecodeErrorZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult_ShutdownScriptDecodeErrorZ CResult_ShutdownScriptDecodeErrorZ_clone(const struct LDKCResult_ShutdownScriptDecodeErrorZ *NONNULL_PTR orig); + +/** + * Creates a new CResult_ShutdownScriptInvalidShutdownScriptZ in the success state. + */ +struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ CResult_ShutdownScriptInvalidShutdownScriptZ_ok(struct LDKShutdownScript o); + +/** + * Creates a new CResult_ShutdownScriptInvalidShutdownScriptZ in the error state. + */ +struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ CResult_ShutdownScriptInvalidShutdownScriptZ_err(struct LDKInvalidShutdownScript e); + +/** + * Frees any resources used by the CResult_ShutdownScriptInvalidShutdownScriptZ. + */ +void CResult_ShutdownScriptInvalidShutdownScriptZ_free(struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ _res); + /** * Creates a new CResult_NoneErrorZ in the success state. */ @@ -9622,6 +11415,32 @@ void CResult_RouteDecodeErrorZ_free(struct LDKCResult_RouteDecodeErrorZ _res); */ struct LDKCResult_RouteDecodeErrorZ CResult_RouteDecodeErrorZ_clone(const struct LDKCResult_RouteDecodeErrorZ *NONNULL_PTR orig); +/** + * Creates a new CResult_RouteParametersDecodeErrorZ in the success state. + */ +struct LDKCResult_RouteParametersDecodeErrorZ CResult_RouteParametersDecodeErrorZ_ok(struct LDKRouteParameters o); + +/** + * Creates a new CResult_RouteParametersDecodeErrorZ in the error state. + */ +struct LDKCResult_RouteParametersDecodeErrorZ CResult_RouteParametersDecodeErrorZ_err(struct LDKDecodeError e); + +/** + * Frees any resources used by the CResult_RouteParametersDecodeErrorZ. + */ +void CResult_RouteParametersDecodeErrorZ_free(struct LDKCResult_RouteParametersDecodeErrorZ _res); + +/** + * Creates a new CResult_RouteParametersDecodeErrorZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +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_RouteHintZ_free(struct LDKCVec_RouteHintZ _res); + /** * Constructs a new COption_u64Z containing a u64 */ @@ -9643,15 +11462,78 @@ void COption_u64Z_free(struct LDKCOption_u64Z _res); */ 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_ChannelDetailsZ_free(struct LDKCVec_ChannelDetailsZ _res); +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_RouteHintZ_free(struct LDKCVec_RouteHintZ _res); +void CVec_ChannelDetailsZ_free(struct LDKCVec_ChannelDetailsZ _res); /** * Creates a new CResult_RouteLightningErrorZ in the success state. @@ -9768,6 +11650,27 @@ void COption_C2Tuple_usizeTransactionZZ_free(struct LDKCOption_C2Tuple_usizeTran */ struct LDKCOption_C2Tuple_usizeTransactionZZ COption_C2Tuple_usizeTransactionZZ_clone(const struct LDKCOption_C2Tuple_usizeTransactionZZ *NONNULL_PTR orig); +/** + * Constructs a new COption_NetworkUpdateZ containing a crate::lightning::routing::network_graph::NetworkUpdate + */ +struct LDKCOption_NetworkUpdateZ COption_NetworkUpdateZ_some(struct LDKNetworkUpdate o); + +/** + * Constructs a new COption_NetworkUpdateZ containing nothing + */ +struct LDKCOption_NetworkUpdateZ COption_NetworkUpdateZ_none(void); + +/** + * Frees any resources associated with the crate::lightning::routing::network_graph::NetworkUpdate, if we are in the Some state + */ +void COption_NetworkUpdateZ_free(struct LDKCOption_NetworkUpdateZ _res); + +/** + * Creates a new COption_NetworkUpdateZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCOption_NetworkUpdateZ COption_NetworkUpdateZ_clone(const struct LDKCOption_NetworkUpdateZ *NONNULL_PTR orig); + /** * Frees the buffer pointed to by `data` if `datalen` is non-0. */ @@ -9838,6 +11741,36 @@ struct LDKCResult_InvoiceFeaturesDecodeErrorZ CResult_InvoiceFeaturesDecodeError */ 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. */ @@ -9901,6 +11834,27 @@ void CResult_SpendableOutputDescriptorDecodeErrorZ_free(struct LDKCResult_Spenda */ struct LDKCResult_SpendableOutputDescriptorDecodeErrorZ CResult_SpendableOutputDescriptorDecodeErrorZ_clone(const struct LDKCResult_SpendableOutputDescriptorDecodeErrorZ *NONNULL_PTR orig); +/** + * Creates a new CResult_NoneNoneZ in the success state. + */ +struct LDKCResult_NoneNoneZ CResult_NoneNoneZ_ok(void); + +/** + * Creates a new CResult_NoneNoneZ in the error state. + */ +struct LDKCResult_NoneNoneZ CResult_NoneNoneZ_err(void); + +/** + * Frees any resources used by the CResult_NoneNoneZ. + */ +void CResult_NoneNoneZ_free(struct LDKCResult_NoneNoneZ _res); + +/** + * Creates a new CResult_NoneNoneZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult_NoneNoneZ CResult_NoneNoneZ_clone(const struct LDKCResult_NoneNoneZ *NONNULL_PTR orig); + /** * Creates a new tuple which has the same data as `orig` * but with all dynamically-allocated buffers duplicated in new buffers. @@ -10161,6 +12115,48 @@ void CVec_CResult_NoneAPIErrorZZ_free(struct LDKCVec_CResult_NoneAPIErrorZZ _res */ void CVec_APIErrorZ_free(struct LDKCVec_APIErrorZ _res); +/** + * Creates a new CResult__u832APIErrorZ in the success state. + */ +struct LDKCResult__u832APIErrorZ CResult__u832APIErrorZ_ok(struct LDKThirtyTwoBytes o); + +/** + * Creates a new CResult__u832APIErrorZ in the error state. + */ +struct LDKCResult__u832APIErrorZ CResult__u832APIErrorZ_err(struct LDKAPIError e); + +/** + * Frees any resources used by the CResult__u832APIErrorZ. + */ +void CResult__u832APIErrorZ_free(struct LDKCResult__u832APIErrorZ _res); + +/** + * Creates a new CResult__u832APIErrorZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult__u832APIErrorZ CResult__u832APIErrorZ_clone(const struct LDKCResult__u832APIErrorZ *NONNULL_PTR orig); + +/** + * Creates a new CResult_PaymentIdPaymentSendFailureZ in the success state. + */ +struct LDKCResult_PaymentIdPaymentSendFailureZ CResult_PaymentIdPaymentSendFailureZ_ok(struct LDKThirtyTwoBytes o); + +/** + * Creates a new CResult_PaymentIdPaymentSendFailureZ in the error state. + */ +struct LDKCResult_PaymentIdPaymentSendFailureZ CResult_PaymentIdPaymentSendFailureZ_err(struct LDKPaymentSendFailure e); + +/** + * Frees any resources used by the CResult_PaymentIdPaymentSendFailureZ. + */ +void CResult_PaymentIdPaymentSendFailureZ_free(struct LDKCResult_PaymentIdPaymentSendFailureZ _res); + +/** + * Creates a new CResult_PaymentIdPaymentSendFailureZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult_PaymentIdPaymentSendFailureZ CResult_PaymentIdPaymentSendFailureZ_clone(const struct LDKCResult_PaymentIdPaymentSendFailureZ *NONNULL_PTR orig); + /** * Creates a new CResult_NonePaymentSendFailureZ in the success state. */ @@ -10183,25 +12179,41 @@ void CResult_NonePaymentSendFailureZ_free(struct LDKCResult_NonePaymentSendFailu struct LDKCResult_NonePaymentSendFailureZ CResult_NonePaymentSendFailureZ_clone(const struct LDKCResult_NonePaymentSendFailureZ *NONNULL_PTR orig); /** - * Creates a new CResult_PaymentHashPaymentSendFailureZ in the success state. + * Creates a new tuple which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKC2Tuple_PaymentHashPaymentIdZ C2Tuple_PaymentHashPaymentIdZ_clone(const struct LDKC2Tuple_PaymentHashPaymentIdZ *NONNULL_PTR orig); + +/** + * Creates a new C2Tuple_PaymentHashPaymentIdZ from the contained elements. + */ +struct LDKC2Tuple_PaymentHashPaymentIdZ C2Tuple_PaymentHashPaymentIdZ_new(struct LDKThirtyTwoBytes a, struct LDKThirtyTwoBytes b); + +/** + * Frees any resources used by the C2Tuple_PaymentHashPaymentIdZ. + */ +void C2Tuple_PaymentHashPaymentIdZ_free(struct LDKC2Tuple_PaymentHashPaymentIdZ _res); + +/** + * Creates a new CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ in the success state. */ -struct LDKCResult_PaymentHashPaymentSendFailureZ CResult_PaymentHashPaymentSendFailureZ_ok(struct LDKThirtyTwoBytes o); +struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_ok(struct LDKC2Tuple_PaymentHashPaymentIdZ o); /** - * Creates a new CResult_PaymentHashPaymentSendFailureZ in the error state. + * Creates a new CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ in the error state. */ -struct LDKCResult_PaymentHashPaymentSendFailureZ CResult_PaymentHashPaymentSendFailureZ_err(struct LDKPaymentSendFailure e); +struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_err(struct LDKPaymentSendFailure e); /** - * Frees any resources used by the CResult_PaymentHashPaymentSendFailureZ. + * Frees any resources used by the CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ. */ -void CResult_PaymentHashPaymentSendFailureZ_free(struct LDKCResult_PaymentHashPaymentSendFailureZ _res); +void CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_free(struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ _res); /** - * Creates a new CResult_PaymentHashPaymentSendFailureZ which has the same data as `orig` + * Creates a new CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ which has the same data as `orig` * but with all dynamically-allocated buffers duplicated in new buffers. */ -struct LDKCResult_PaymentHashPaymentSendFailureZ CResult_PaymentHashPaymentSendFailureZ_clone(const struct LDKCResult_PaymentHashPaymentSendFailureZ *NONNULL_PTR orig); +struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ CResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ_clone(const struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ *NONNULL_PTR orig); /** * Frees the buffer pointed to by `data` if `datalen` is non-0. @@ -10317,6 +12329,57 @@ void CResult_OutPointDecodeErrorZ_free(struct LDKCResult_OutPointDecodeErrorZ _r */ struct LDKCResult_OutPointDecodeErrorZ CResult_OutPointDecodeErrorZ_clone(const struct LDKCResult_OutPointDecodeErrorZ *NONNULL_PTR orig); +/** + * Constructs a new COption_TypeZ containing a crate::lightning::ln::wire::Type + */ +struct LDKCOption_TypeZ COption_TypeZ_some(struct LDKType o); + +/** + * Constructs a new COption_TypeZ containing nothing + */ +struct LDKCOption_TypeZ COption_TypeZ_none(void); + +/** + * Frees any resources associated with the crate::lightning::ln::wire::Type, if we are in the Some state + */ +void COption_TypeZ_free(struct LDKCOption_TypeZ _res); + +/** + * Creates a new CResult_COption_TypeZDecodeErrorZ in the success state. + */ +struct LDKCResult_COption_TypeZDecodeErrorZ CResult_COption_TypeZDecodeErrorZ_ok(struct LDKCOption_TypeZ o); + +/** + * Creates a new CResult_COption_TypeZDecodeErrorZ in the error state. + */ +struct LDKCResult_COption_TypeZDecodeErrorZ CResult_COption_TypeZDecodeErrorZ_err(struct LDKDecodeError e); + +/** + * Frees any resources used by the CResult_COption_TypeZDecodeErrorZ. + */ +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. */ @@ -10736,6 +12799,11 @@ void C2Tuple_TxidCVec_C2Tuple_u32TxOutZZZ_free(struct LDKC2Tuple_TxidCVec_C2Tupl */ void CVec_TransactionOutputsZ_free(struct LDKCVec_TransactionOutputsZ _res); +/** + * Frees the buffer pointed to by `data` if `datalen` is non-0. + */ +void CVec_BalanceZ_free(struct LDKCVec_BalanceZ _res); + /** * Creates a new CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ in the success state. */ @@ -10751,6 +12819,42 @@ struct LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ CResult_C2Tuple_B */ void CResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ_free(struct LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ _res); +/** + * Creates a new CResult_NoneLightningErrorZ in the success state. + */ +struct LDKCResult_NoneLightningErrorZ CResult_NoneLightningErrorZ_ok(void); + +/** + * Creates a new CResult_NoneLightningErrorZ in the error state. + */ +struct LDKCResult_NoneLightningErrorZ CResult_NoneLightningErrorZ_err(struct LDKLightningError e); + +/** + * Frees any resources used by the CResult_NoneLightningErrorZ. + */ +void CResult_NoneLightningErrorZ_free(struct LDKCResult_NoneLightningErrorZ _res); + +/** + * Creates a new CResult_NoneLightningErrorZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult_NoneLightningErrorZ CResult_NoneLightningErrorZ_clone(const struct LDKCResult_NoneLightningErrorZ *NONNULL_PTR orig); + +/** + * Creates a new C2Tuple_PublicKeyTypeZ from the contained elements. + */ +struct LDKC2Tuple_PublicKeyTypeZ C2Tuple_PublicKeyTypeZ_new(struct LDKPublicKey a, struct LDKType b); + +/** + * Frees any resources used by the C2Tuple_PublicKeyTypeZ. + */ +void C2Tuple_PublicKeyTypeZ_free(struct LDKC2Tuple_PublicKeyTypeZ _res); + +/** + * Frees the buffer pointed to by `data` if `datalen` is non-0. + */ +void CVec_C2Tuple_PublicKeyTypeZZ_free(struct LDKCVec_C2Tuple_PublicKeyTypeZZ _res); + /** * Creates a new CResult_boolLightningErrorZ in the success state. */ @@ -10798,27 +12902,6 @@ void CVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ_free(struct LD */ void CVec_NodeAnnouncementZ_free(struct LDKCVec_NodeAnnouncementZ _res); -/** - * Creates a new CResult_NoneLightningErrorZ in the success state. - */ -struct LDKCResult_NoneLightningErrorZ CResult_NoneLightningErrorZ_ok(void); - -/** - * Creates a new CResult_NoneLightningErrorZ in the error state. - */ -struct LDKCResult_NoneLightningErrorZ CResult_NoneLightningErrorZ_err(struct LDKLightningError e); - -/** - * Frees any resources used by the CResult_NoneLightningErrorZ. - */ -void CResult_NoneLightningErrorZ_free(struct LDKCResult_NoneLightningErrorZ _res); - -/** - * Creates a new CResult_NoneLightningErrorZ which has the same data as `orig` - * but with all dynamically-allocated buffers duplicated in new buffers. - */ -struct LDKCResult_NoneLightningErrorZ CResult_NoneLightningErrorZ_clone(const struct LDKCResult_NoneLightningErrorZ *NONNULL_PTR orig); - /** * Frees the buffer pointed to by `data` if `datalen` is non-0. */ @@ -10887,6 +12970,42 @@ void CResult_boolPeerHandleErrorZ_free(struct LDKCResult_boolPeerHandleErrorZ _r */ struct LDKCResult_boolPeerHandleErrorZ CResult_boolPeerHandleErrorZ_clone(const struct LDKCResult_boolPeerHandleErrorZ *NONNULL_PTR orig); +/** + * Creates a new CResult_NodeIdDecodeErrorZ in the success state. + */ +struct LDKCResult_NodeIdDecodeErrorZ CResult_NodeIdDecodeErrorZ_ok(struct LDKNodeId o); + +/** + * Creates a new CResult_NodeIdDecodeErrorZ in the error state. + */ +struct LDKCResult_NodeIdDecodeErrorZ CResult_NodeIdDecodeErrorZ_err(struct LDKDecodeError e); + +/** + * Frees any resources used by the CResult_NodeIdDecodeErrorZ. + */ +void CResult_NodeIdDecodeErrorZ_free(struct LDKCResult_NodeIdDecodeErrorZ _res); + +/** + * Creates a new CResult_NodeIdDecodeErrorZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult_NodeIdDecodeErrorZ CResult_NodeIdDecodeErrorZ_clone(const struct LDKCResult_NodeIdDecodeErrorZ *NONNULL_PTR orig); + +/** + * Constructs a new COption_AccessZ containing a crate::lightning::chain::Access + */ +struct LDKCOption_AccessZ COption_AccessZ_some(struct LDKAccess o); + +/** + * Constructs a new COption_AccessZ containing nothing + */ +struct LDKCOption_AccessZ COption_AccessZ_none(void); + +/** + * Frees any resources associated with the crate::lightning::chain::Access, if we are in the Some state + */ +void COption_AccessZ_free(struct LDKCOption_AccessZ _res); + /** * Creates a new CResult_DirectionalChannelInfoDecodeErrorZ in the success state. */ @@ -11019,61 +13138,40 @@ void CResult_NetworkGraphDecodeErrorZ_free(struct LDKCResult_NetworkGraphDecodeE struct LDKCResult_NetworkGraphDecodeErrorZ CResult_NetworkGraphDecodeErrorZ_clone(const struct LDKCResult_NetworkGraphDecodeErrorZ *NONNULL_PTR orig); /** - * Creates a new CResult_NetAddressu8Z in the success state. + * Constructs a new COption_CVec_NetAddressZZ containing a crate::c_types::derived::CVec_NetAddressZ */ -struct LDKCResult_NetAddressu8Z CResult_NetAddressu8Z_ok(struct LDKNetAddress o); +struct LDKCOption_CVec_NetAddressZZ COption_CVec_NetAddressZZ_some(struct LDKCVec_NetAddressZ o); /** - * Creates a new CResult_NetAddressu8Z in the error state. + * Constructs a new COption_CVec_NetAddressZZ containing nothing */ -struct LDKCResult_NetAddressu8Z CResult_NetAddressu8Z_err(uint8_t e); +struct LDKCOption_CVec_NetAddressZZ COption_CVec_NetAddressZZ_none(void); /** - * Frees any resources used by the CResult_NetAddressu8Z. + * Frees any resources associated with the crate::c_types::derived::CVec_NetAddressZ, if we are in the Some state */ -void CResult_NetAddressu8Z_free(struct LDKCResult_NetAddressu8Z _res); +void COption_CVec_NetAddressZZ_free(struct LDKCOption_CVec_NetAddressZZ _res); /** - * Creates a new CResult_NetAddressu8Z which has the same data as `orig` + * Creates a new COption_CVec_NetAddressZZ 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); +struct LDKCOption_CVec_NetAddressZZ COption_CVec_NetAddressZZ_clone(const struct LDKCOption_CVec_NetAddressZZ *NONNULL_PTR orig); /** - * Creates a new CResult_CResult_NetAddressu8ZDecodeErrorZ in the success state. + * Creates a new CResult_NetAddressDecodeErrorZ in the success state. */ -struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ CResult_CResult_NetAddressu8ZDecodeErrorZ_ok(struct LDKCResult_NetAddressu8Z o); +struct LDKCResult_NetAddressDecodeErrorZ CResult_NetAddressDecodeErrorZ_ok(struct LDKNetAddress o); /** - * Creates a new CResult_CResult_NetAddressu8ZDecodeErrorZ in the error state. + * Creates a new CResult_NetAddressDecodeErrorZ in the error state. */ -struct LDKCResult_CResult_NetAddressu8ZDecodeErrorZ CResult_CResult_NetAddressu8ZDecodeErrorZ_err(struct LDKDecodeError e); +struct LDKCResult_NetAddressDecodeErrorZ CResult_NetAddressDecodeErrorZ_err(struct LDKDecodeError e); /** - * Frees any resources used by the CResult_CResult_NetAddressu8ZDecodeErrorZ. + * Frees any resources used by the CResult_NetAddressDecodeErrorZ. */ -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. - */ -struct LDKCResult_NetAddressDecodeErrorZ CResult_NetAddressDecodeErrorZ_ok(struct LDKNetAddress o); - -/** - * Creates a new CResult_NetAddressDecodeErrorZ in the error state. - */ -struct LDKCResult_NetAddressDecodeErrorZ CResult_NetAddressDecodeErrorZ_err(struct LDKDecodeError e); - -/** - * Frees any resources used by the CResult_NetAddressDecodeErrorZ. - */ -void CResult_NetAddressDecodeErrorZ_free(struct LDKCResult_NetAddressDecodeErrorZ _res); +void CResult_NetAddressDecodeErrorZ_free(struct LDKCResult_NetAddressDecodeErrorZ _res); /** * Creates a new CResult_NetAddressDecodeErrorZ which has the same data as `orig` @@ -11185,6 +13283,27 @@ void CResult_ClosingSignedDecodeErrorZ_free(struct LDKCResult_ClosingSignedDecod */ struct LDKCResult_ClosingSignedDecodeErrorZ CResult_ClosingSignedDecodeErrorZ_clone(const struct LDKCResult_ClosingSignedDecodeErrorZ *NONNULL_PTR orig); +/** + * Creates a new CResult_ClosingSignedFeeRangeDecodeErrorZ in the success state. + */ +struct LDKCResult_ClosingSignedFeeRangeDecodeErrorZ CResult_ClosingSignedFeeRangeDecodeErrorZ_ok(struct LDKClosingSignedFeeRange o); + +/** + * Creates a new CResult_ClosingSignedFeeRangeDecodeErrorZ in the error state. + */ +struct LDKCResult_ClosingSignedFeeRangeDecodeErrorZ CResult_ClosingSignedFeeRangeDecodeErrorZ_err(struct LDKDecodeError e); + +/** + * Frees any resources used by the CResult_ClosingSignedFeeRangeDecodeErrorZ. + */ +void CResult_ClosingSignedFeeRangeDecodeErrorZ_free(struct LDKCResult_ClosingSignedFeeRangeDecodeErrorZ _res); + +/** + * Creates a new CResult_ClosingSignedFeeRangeDecodeErrorZ which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCResult_ClosingSignedFeeRangeDecodeErrorZ CResult_ClosingSignedFeeRangeDecodeErrorZ_clone(const struct LDKCResult_ClosingSignedFeeRangeDecodeErrorZ *NONNULL_PTR orig); + /** * Creates a new CResult_CommitmentSignedDecodeErrorZ in the success state. */ @@ -11773,6 +13892,41 @@ void CResult_InvoiceSignOrCreationErrorZ_free(struct LDKCResult_InvoiceSignOrCre */ struct LDKCResult_InvoiceSignOrCreationErrorZ CResult_InvoiceSignOrCreationErrorZ_clone(const struct LDKCResult_InvoiceSignOrCreationErrorZ *NONNULL_PTR orig); +/** + * Constructs a new COption_FilterZ containing a crate::lightning::chain::Filter + */ +struct LDKCOption_FilterZ COption_FilterZ_some(struct LDKFilter o); + +/** + * Constructs a new COption_FilterZ containing nothing + */ +struct LDKCOption_FilterZ COption_FilterZ_none(void); + +/** + * Frees any resources associated with the crate::lightning::chain::Filter, if we are in the Some state + */ +void COption_FilterZ_free(struct LDKCOption_FilterZ _res); + +/** + * Creates a new CResult_LockedChannelMonitorNoneZ in the success state. + */ +struct LDKCResult_LockedChannelMonitorNoneZ CResult_LockedChannelMonitorNoneZ_ok(struct LDKLockedChannelMonitor o); + +/** + * Creates a new CResult_LockedChannelMonitorNoneZ in the error state. + */ +struct LDKCResult_LockedChannelMonitorNoneZ CResult_LockedChannelMonitorNoneZ_err(void); + +/** + * Frees any resources used by the CResult_LockedChannelMonitorNoneZ. + */ +void CResult_LockedChannelMonitorNoneZ_free(struct LDKCResult_LockedChannelMonitorNoneZ _res); + +/** + * Frees the buffer pointed to by `data` if `datalen` is non-0. + */ +void CVec_OutPointZ_free(struct LDKCVec_OutPointZ _res); + /** * Frees any resources used by the PaymentPurpose */ @@ -11793,6 +13947,56 @@ struct LDKPaymentPurpose PaymentPurpose_invoice_payment(struct LDKThirtyTwoBytes */ struct LDKPaymentPurpose PaymentPurpose_spontaneous_payment(struct LDKThirtyTwoBytes a); +/** + * Frees any resources used by the ClosureReason + */ +void ClosureReason_free(struct LDKClosureReason this_ptr); + +/** + * Creates a copy of the ClosureReason + */ +struct LDKClosureReason ClosureReason_clone(const struct LDKClosureReason *NONNULL_PTR orig); + +/** + * Utility method to constructs a new CounterpartyForceClosed-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_counterparty_force_closed(struct LDKStr peer_msg); + +/** + * Utility method to constructs a new HolderForceClosed-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_holder_force_closed(void); + +/** + * Utility method to constructs a new CooperativeClosure-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_cooperative_closure(void); + +/** + * Utility method to constructs a new CommitmentTxConfirmed-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_commitment_tx_confirmed(void); + +/** + * Utility method to constructs a new ProcessingError-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_processing_error(struct LDKStr err); + +/** + * Utility method to constructs a new DisconnectedPeer-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_disconnected_peer(void); + +/** + * Utility method to constructs a new OutdatedChannelManager-variant ClosureReason + */ +struct LDKClosureReason ClosureReason_outdated_channel_manager(void); + +/** + * Serialize the ClosureReason object into a byte array which can be read by ClosureReason_read + */ +struct LDKCVec_u8Z ClosureReason_write(const struct LDKClosureReason *NONNULL_PTR obj); + /** * Frees any resources used by the Event */ @@ -11816,12 +14020,12 @@ struct LDKEvent Event_payment_received(struct LDKThirtyTwoBytes payment_hash, ui /** * Utility method to constructs a new PaymentSent-variant Event */ -struct LDKEvent Event_payment_sent(struct LDKThirtyTwoBytes payment_preimage); +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 PaymentFailed-variant Event + * Utility method to constructs a new PaymentPathFailed-variant Event */ -struct LDKEvent Event_payment_failed(struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest); +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 @@ -11838,6 +14042,16 @@ struct LDKEvent Event_spendable_outputs(struct LDKCVec_SpendableOutputDescriptor */ struct LDKEvent Event_payment_forwarded(struct LDKCOption_u64Z fee_earned_msat, bool claim_from_onchain_tx); +/** + * Utility method to constructs a new ChannelClosed-variant Event + */ +struct LDKEvent Event_channel_closed(struct LDKThirtyTwoBytes channel_id, uint64_t user_channel_id, struct LDKClosureReason reason); + +/** + * Utility method to constructs a new DiscardFunding-variant Event + */ +struct LDKEvent Event_discard_funding(struct LDKThirtyTwoBytes channel_id, struct LDKTransaction transaction); + /** * Serialize the Event object into a byte array which can be read by Event_read */ @@ -11933,11 +14147,6 @@ struct LDKMessageSendEvent MessageSendEvent_send_channel_update(struct LDKPublic */ struct LDKMessageSendEvent MessageSendEvent_handle_error(struct LDKPublicKey node_id, struct LDKErrorAction action); -/** - * Utility method to constructs a new PaymentFailureNetworkUpdate-variant MessageSendEvent - */ -struct LDKMessageSendEvent MessageSendEvent_payment_failure_network_update(struct LDKHTLCFailChannelUpdate update); - /** * Utility method to constructs a new SendChannelRangeQuery-variant MessageSendEvent */ @@ -12003,6 +14212,11 @@ struct LDKAPIError APIError_channel_unavailable(struct LDKStr err); */ struct LDKAPIError APIError_monitor_update_failed(void); +/** + * Utility method to constructs a new IncompatibleShutdownScript-variant APIError + */ +struct LDKAPIError APIError_incompatible_shutdown_script(struct LDKShutdownScript script); + /** * Creates a digital signature of a message given a SecretKey, like the node's secret. * A receiver knowing the PublicKey (e.g. the node's id) and the message can be sure that the signature was generated by the caller. @@ -12501,10 +14715,100 @@ bool ChannelConfig_get_commit_upfront_shutdown_pubkey(const struct LDKChannelCon */ void ChannelConfig_set_commit_upfront_shutdown_pubkey(struct LDKChannelConfig *NONNULL_PTR this_ptr, bool val); +/** + * Limit our total exposure to in-flight HTLCs which are burned to fees as they are too + * small to claim on-chain. + * + * When an HTLC present in one of our channels is below a \"dust\" threshold, the HTLC will + * not be claimable on-chain, instead being turned into additional miner fees if either + * party force-closes the channel. Because the threshold is per-HTLC, our total exposure + * to such payments may be sustantial if there are many dust HTLCs present when the + * channel is force-closed. + * + * This limit is applied for sent, forwarded, and received HTLCs and limits the total + * exposure across all three types per-channel. Setting this too low may prevent the + * sending or receipt of low-value HTLCs on high-traffic nodes, and this limit is very + * important to prevent stealing of dust HTLCs by miners. + * + * Default value: 5_000_000 msat. + */ +uint64_t ChannelConfig_get_max_dust_htlc_exposure_msat(const struct LDKChannelConfig *NONNULL_PTR this_ptr); + +/** + * Limit our total exposure to in-flight HTLCs which are burned to fees as they are too + * small to claim on-chain. + * + * When an HTLC present in one of our channels is below a \"dust\" threshold, the HTLC will + * not be claimable on-chain, instead being turned into additional miner fees if either + * party force-closes the channel. Because the threshold is per-HTLC, our total exposure + * to such payments may be sustantial if there are many dust HTLCs present when the + * channel is force-closed. + * + * This limit is applied for sent, forwarded, and received HTLCs and limits the total + * exposure across all three types per-channel. Setting this too low may prevent the + * sending or receipt of low-value HTLCs on high-traffic nodes, and this limit is very + * important to prevent stealing of dust HTLCs by miners. + * + * Default value: 5_000_000 msat. + */ +void ChannelConfig_set_max_dust_htlc_exposure_msat(struct LDKChannelConfig *NONNULL_PTR this_ptr, uint64_t val); + +/** + * The additional fee we're willing to pay to avoid waiting for the counterparty's + * `to_self_delay` to reclaim funds. + * + * When we close a channel cooperatively with our counterparty, we negotiate a fee for the + * closing transaction which both sides find acceptable, ultimately paid by the channel + * funder/initiator. + * + * When we are the funder, because we have to pay the channel closing fee, we bound the + * acceptable fee by our [`Background`] and [`Normal`] fees, with the upper bound increased by + * this value. Because the on-chain fee we'd pay to force-close the channel is kept near our + * [`Normal`] feerate during normal operation, this value represents the additional fee we're + * willing to pay in order to avoid waiting for our counterparty's to_self_delay to reclaim our + * funds. + * + * When we are not the funder, we require the closing transaction fee pay at least our + * [`Background`] fee estimate, but allow our counterparty to pay as much fee as they like. + * Thus, this value is ignored when we are not the funder. + * + * Default value: 1000 satoshis. + * + * [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal + * [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background + */ +uint64_t ChannelConfig_get_force_close_avoidance_max_fee_satoshis(const struct LDKChannelConfig *NONNULL_PTR this_ptr); + +/** + * The additional fee we're willing to pay to avoid waiting for the counterparty's + * `to_self_delay` to reclaim funds. + * + * When we close a channel cooperatively with our counterparty, we negotiate a fee for the + * closing transaction which both sides find acceptable, ultimately paid by the channel + * funder/initiator. + * + * When we are the funder, because we have to pay the channel closing fee, we bound the + * acceptable fee by our [`Background`] and [`Normal`] fees, with the upper bound increased by + * this value. Because the on-chain fee we'd pay to force-close the channel is kept near our + * [`Normal`] feerate during normal operation, this value represents the additional fee we're + * willing to pay in order to avoid waiting for our counterparty's to_self_delay to reclaim our + * funds. + * + * When we are not the funder, we require the closing transaction fee pay at least our + * [`Background`] fee estimate, but allow our counterparty to pay as much fee as they like. + * Thus, this value is ignored when we are not the funder. + * + * Default value: 1000 satoshis. + * + * [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal + * [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background + */ +void ChannelConfig_set_force_close_avoidance_max_fee_satoshis(struct LDKChannelConfig *NONNULL_PTR this_ptr, uint64_t val); + /** * Constructs a new ChannelConfig given each field */ -MUST_USE_RES struct LDKChannelConfig ChannelConfig_new(uint32_t forwarding_fee_proportional_millionths_arg, uint32_t forwarding_fee_base_msat_arg, uint16_t cltv_expiry_delta_arg, bool announced_channel_arg, bool commit_upfront_shutdown_pubkey_arg); +MUST_USE_RES struct LDKChannelConfig ChannelConfig_new(uint32_t forwarding_fee_proportional_millionths_arg, uint32_t forwarding_fee_base_msat_arg, uint16_t cltv_expiry_delta_arg, bool announced_channel_arg, bool commit_upfront_shutdown_pubkey_arg, uint64_t max_dust_htlc_exposure_msat_arg, uint64_t force_close_avoidance_max_fee_satoshis_arg); /** * Creates a copy of the ChannelConfig @@ -12677,6 +14981,21 @@ void Listen_free(struct LDKListen this_ptr); */ void Confirm_free(struct LDKConfirm this_ptr); +/** + * Creates a copy of the ChannelMonitorUpdateErr + */ +enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_clone(const enum LDKChannelMonitorUpdateErr *NONNULL_PTR orig); + +/** + * Utility method to constructs a new TemporaryFailure-variant ChannelMonitorUpdateErr + */ +enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_temporary_failure(void); + +/** + * Utility method to constructs a new PermanentFailure-variant ChannelMonitorUpdateErr + */ +enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_permanent_failure(void); + /** * Calls the free function if one is set */ @@ -12766,11 +15085,49 @@ enum LDKConfirmationTarget ConfirmationTarget_normal(void); */ enum LDKConfirmationTarget ConfirmationTarget_high_priority(void); +/** + * Checks if two ConfirmationTargets contain equal inner contents. + * This ignores pointers and is_owned flags and looks at the values in fields. + */ +bool ConfirmationTarget_eq(const enum LDKConfirmationTarget *NONNULL_PTR a, const enum LDKConfirmationTarget *NONNULL_PTR b); + /** * Calls the free function if one is set */ 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 + */ +void Persist_free(struct LDKPersist this_ptr); + +/** + * Frees any resources used by the LockedChannelMonitor, if is_owned is set and inner is non-NULL. + */ +void LockedChannelMonitor_free(struct LDKLockedChannelMonitor this_obj); + /** * Frees any resources used by the ChainMonitor, if is_owned is set and inner is non-NULL. */ @@ -12784,10 +15141,55 @@ void ChainMonitor_free(struct LDKChainMonitor this_obj); * pre-filter blocks or only fetch blocks matching a compact filter. Otherwise, clients may * always need to fetch full blocks absent another means for determining which blocks contain * transactions relevant to the watched channels. + */ +MUST_USE_RES struct LDKChainMonitor ChainMonitor_new(struct LDKCOption_FilterZ chain_source, struct LDKBroadcasterInterface broadcaster, struct LDKLogger logger, struct LDKFeeEstimator feeest, struct LDKPersist persister); + +/** + * Gets the balances in the contained [`ChannelMonitor`]s which are claimable on-chain or + * claims which are awaiting confirmation. + * + * Includes the balances from each [`ChannelMonitor`] *except* those included in + * `ignored_channels`, allowing you to filter out balances from channels which are still open + * (and whose balance should likely be pulled from the [`ChannelDetails`]). + * + * See [`ChannelMonitor::get_claimable_balances`] for more details on the exact criteria for + * inclusion in the return value. + */ +MUST_USE_RES struct LDKCVec_BalanceZ ChainMonitor_get_claimable_balances(const struct LDKChainMonitor *NONNULL_PTR this_arg, struct LDKCVec_ChannelDetailsZ ignored_channels); + +/** + * Gets the [`LockedChannelMonitor`] for a given funding outpoint, returning an `Err` if no + * such [`ChannelMonitor`] is currently being monitored for. + * + * Note that the result holds a mutex over our monitor set, and should not be held + * indefinitely. + */ +MUST_USE_RES struct LDKCResult_LockedChannelMonitorNoneZ ChainMonitor_get_monitor(const struct LDKChainMonitor *NONNULL_PTR this_arg, struct LDKOutPoint funding_txo); + +/** + * Lists the funding outpoint of each [`ChannelMonitor`] being monitored. + * + * Note that [`ChannelMonitor`]s are not removed when a channel is closed as they are always + * monitoring for on-chain state resolutions. + */ +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. * - * Note that chain_source (or a relevant inner pointer) may be NULL or all-0s to represent None + * Returns an [`APIError::APIMisuseError`] if `funding_txo` does not match any currently + * registered [`ChannelMonitor`]s. */ -MUST_USE_RES struct LDKChainMonitor ChainMonitor_new(struct LDKFilter *chain_source, struct LDKBroadcasterInterface broadcaster, struct LDKLogger logger, struct LDKFeeEstimator feeest, struct LDKPersist persister); +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. @@ -12864,24 +15266,18 @@ struct LDKCVec_u8Z ChannelMonitorUpdate_write(const struct LDKChannelMonitorUpda struct LDKCResult_ChannelMonitorUpdateDecodeErrorZ ChannelMonitorUpdate_read(struct LDKu8slice ser); /** - * Creates a copy of the ChannelMonitorUpdateErr + * Frees any resources used by the MonitorUpdateError, if is_owned is set and inner is non-NULL. */ -enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_clone(const enum LDKChannelMonitorUpdateErr *NONNULL_PTR orig); +void MonitorUpdateError_free(struct LDKMonitorUpdateError this_obj); -/** - * Utility method to constructs a new TemporaryFailure-variant ChannelMonitorUpdateErr - */ -enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_temporary_failure(void); +struct LDKStr MonitorUpdateError_get_a(const struct LDKMonitorUpdateError *NONNULL_PTR this_ptr); -/** - * Utility method to constructs a new PermanentFailure-variant ChannelMonitorUpdateErr - */ -enum LDKChannelMonitorUpdateErr ChannelMonitorUpdateErr_permanent_failure(void); +void MonitorUpdateError_set_a(struct LDKMonitorUpdateError *NONNULL_PTR this_ptr, struct LDKStr val); /** - * Frees any resources used by the MonitorUpdateError, if is_owned is set and inner is non-NULL. + * Constructs a new MonitorUpdateError given each field */ -void MonitorUpdateError_free(struct LDKMonitorUpdateError this_obj); +MUST_USE_RES struct LDKMonitorUpdateError MonitorUpdateError_new(struct LDKStr a_arg); /** * Creates a copy of the MonitorUpdateError @@ -12904,9 +15300,24 @@ struct LDKMonitorEvent MonitorEvent_clone(const struct LDKMonitorEvent *NONNULL_ struct LDKMonitorEvent MonitorEvent_htlcevent(struct LDKHTLCUpdate a); /** - * Utility method to constructs a new CommitmentTxBroadcasted-variant MonitorEvent + * Utility method to constructs a new CommitmentTxConfirmed-variant MonitorEvent + */ +struct LDKMonitorEvent MonitorEvent_commitment_tx_confirmed(struct LDKOutPoint a); + +/** + * Utility method to constructs a new UpdateCompleted-variant MonitorEvent */ -struct LDKMonitorEvent MonitorEvent_commitment_tx_broadcasted(struct LDKOutPoint a); +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. @@ -12928,6 +15339,42 @@ struct LDKCVec_u8Z HTLCUpdate_write(const struct LDKHTLCUpdate *NONNULL_PTR obj) */ struct LDKCResult_HTLCUpdateDecodeErrorZ HTLCUpdate_read(struct LDKu8slice ser); +/** + * Frees any resources used by the Balance + */ +void Balance_free(struct LDKBalance this_ptr); + +/** + * Creates a copy of the Balance + */ +struct LDKBalance Balance_clone(const struct LDKBalance *NONNULL_PTR orig); + +/** + * Utility method to constructs a new ClaimableOnChannelClose-variant Balance + */ +struct LDKBalance Balance_claimable_on_channel_close(uint64_t claimable_amount_satoshis); + +/** + * Utility method to constructs a new ClaimableAwaitingConfirmations-variant Balance + */ +struct LDKBalance Balance_claimable_awaiting_confirmations(uint64_t claimable_amount_satoshis, uint32_t confirmation_height); + +/** + * Utility method to constructs a new ContentiousClaimable-variant Balance + */ +struct LDKBalance Balance_contentious_claimable(uint64_t claimable_amount_satoshis, uint32_t timeout_height); + +/** + * Utility method to constructs a new MaybeClaimableHTLCAwaitingTimeout-variant Balance + */ +struct LDKBalance Balance_maybe_claimable_htlcawaiting_timeout(uint64_t claimable_amount_satoshis, uint32_t claimable_height); + +/** + * Checks if two Balances contain equal inner contents. + * This ignores pointers and is_owned flags and looks at the values in fields. + */ +bool Balance_eq(const struct LDKBalance *NONNULL_PTR a, const struct LDKBalance *NONNULL_PTR b); + /** * Frees any resources used by the ChannelMonitor, if is_owned is set and inner is non-NULL. */ @@ -13064,9 +15511,22 @@ MUST_USE_RES struct LDKCVec_TxidZ ChannelMonitor_get_relevant_txids(const struct MUST_USE_RES struct LDKBestBlock ChannelMonitor_current_best_block(const struct LDKChannelMonitor *NONNULL_PTR this_arg); /** - * Calls the free function if one is set + * Gets the balances in this channel which are either claimable by us if we were to + * force-close the channel now or which are claimable on-chain (possibly awaiting + * confirmation). + * + * Any balances in the channel which are available on-chain (excluding on-chain fees) are + * included here until an [`Event::SpendableOutputs`] event has been generated for the + * balance, or until our counterparty has claimed the balance and accrued several + * confirmations on the claim transaction. + * + * Note that the balances available when you or your counterparty have broadcasted revoked + * state(s) may not be fully captured here. + * + * See [`Balance`] for additional details on the types of claimable balances which + * may be returned here and their meanings. */ -void Persist_free(struct LDKPersist this_ptr); +MUST_USE_RES struct LDKCVec_BalanceZ ChannelMonitor_get_claimable_balances(const struct LDKChannelMonitor *NONNULL_PTR this_arg); /** * Read a C2Tuple_BlockHashChannelMonitorZ from a byte array, created by C2Tuple_BlockHashChannelMonitorZ_write @@ -13613,47 +16073,96 @@ MUST_USE_RES struct LDKChainParameters ChainParameters_new(enum LDKNetwork netwo struct LDKChainParameters ChainParameters_clone(const struct LDKChainParameters *NONNULL_PTR orig); /** - * Frees any resources used by the ChannelCounterparty, if is_owned is set and inner is non-NULL. + * Frees any resources used by the CounterpartyForwardingInfo, if is_owned is set and inner is non-NULL. */ -void ChannelCounterparty_free(struct LDKChannelCounterparty this_obj); +void CounterpartyForwardingInfo_free(struct LDKCounterpartyForwardingInfo this_obj); /** - * The node_id of our counterparty + * Base routing fee in millisatoshis. */ -struct LDKPublicKey ChannelCounterparty_get_node_id(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); +uint32_t CounterpartyForwardingInfo_get_fee_base_msat(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr); /** - * The node_id of our counterparty + * Base routing fee in millisatoshis. */ -void ChannelCounterparty_set_node_id(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKPublicKey val); +void CounterpartyForwardingInfo_set_fee_base_msat(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint32_t val); /** - * The Features the channel counterparty provided upon last connection. - * Useful for routing as it is the most up-to-date copy of the counterparty's features and - * many routing-relevant features are present in the init context. + * Amount in millionths of a satoshi the channel will charge per transferred satoshi. */ -struct LDKInitFeatures ChannelCounterparty_get_features(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); +uint32_t CounterpartyForwardingInfo_get_fee_proportional_millionths(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr); /** - * The Features the channel counterparty provided upon last connection. - * Useful for routing as it is the most up-to-date copy of the counterparty's features and - * many routing-relevant features are present in the init context. + * Amount in millionths of a satoshi the channel will charge per transferred satoshi. */ -void ChannelCounterparty_set_features(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKInitFeatures val); +void CounterpartyForwardingInfo_set_fee_proportional_millionths(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint32_t val); /** - * The value, in satoshis, that must always be held in the channel for our counterparty. This - * value ensures that if our counterparty broadcasts a revoked state, we can punish them by - * claiming at least this value on chain. - * - * This value is not included in [`inbound_capacity_msat`] as it can never be spent. - * - * [`inbound_capacity_msat`]: ChannelDetails::inbound_capacity_msat + * The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart, + * such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s + * `cltv_expiry_delta` for more details. */ -uint64_t ChannelCounterparty_get_unspendable_punishment_reserve(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); +uint16_t CounterpartyForwardingInfo_get_cltv_expiry_delta(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr); /** - * The value, in satoshis, that must always be held in the channel for our counterparty. This + * The minimum difference in cltv_expiry between an ingoing HTLC and its outgoing counterpart, + * such that the outgoing HTLC is forwardable to this counterparty. See `msgs::ChannelUpdate`'s + * `cltv_expiry_delta` for more details. + */ +void CounterpartyForwardingInfo_set_cltv_expiry_delta(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint16_t val); + +/** + * Constructs a new CounterpartyForwardingInfo given each field + */ +MUST_USE_RES struct LDKCounterpartyForwardingInfo CounterpartyForwardingInfo_new(uint32_t fee_base_msat_arg, uint32_t fee_proportional_millionths_arg, uint16_t cltv_expiry_delta_arg); + +/** + * Creates a copy of the CounterpartyForwardingInfo + */ +struct LDKCounterpartyForwardingInfo CounterpartyForwardingInfo_clone(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR orig); + +/** + * Frees any resources used by the ChannelCounterparty, if is_owned is set and inner is non-NULL. + */ +void ChannelCounterparty_free(struct LDKChannelCounterparty this_obj); + +/** + * The node_id of our counterparty + */ +struct LDKPublicKey ChannelCounterparty_get_node_id(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); + +/** + * The node_id of our counterparty + */ +void ChannelCounterparty_set_node_id(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKPublicKey val); + +/** + * The Features the channel counterparty provided upon last connection. + * Useful for routing as it is the most up-to-date copy of the counterparty's features and + * many routing-relevant features are present in the init context. + */ +struct LDKInitFeatures ChannelCounterparty_get_features(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); + +/** + * The Features the channel counterparty provided upon last connection. + * Useful for routing as it is the most up-to-date copy of the counterparty's features and + * many routing-relevant features are present in the init context. + */ +void ChannelCounterparty_set_features(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKInitFeatures val); + +/** + * The value, in satoshis, that must always be held in the channel for our counterparty. This + * value ensures that if our counterparty broadcasts a revoked state, we can punish them by + * claiming at least this value on chain. + * + * This value is not included in [`inbound_capacity_msat`] as it can never be spent. + * + * [`inbound_capacity_msat`]: ChannelDetails::inbound_capacity_msat + */ +uint64_t ChannelCounterparty_get_unspendable_punishment_reserve(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); + +/** + * The value, in satoshis, that must always be held in the channel for our counterparty. This * value ensures that if our counterparty broadcasts a revoked state, we can punish them by * claiming at least this value on chain. * @@ -13663,6 +16172,27 @@ uint64_t ChannelCounterparty_get_unspendable_punishment_reserve(const struct LDK */ void ChannelCounterparty_set_unspendable_punishment_reserve(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, uint64_t val); +/** + * Information on the fees and requirements that the counterparty requires when forwarding + * payments to us through this channel. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ +struct LDKCounterpartyForwardingInfo ChannelCounterparty_get_forwarding_info(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); + +/** + * Information on the fees and requirements that the counterparty requires when forwarding + * payments to us through this channel. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None + */ +void ChannelCounterparty_set_forwarding_info(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKCounterpartyForwardingInfo val); + +/** + * Constructs a new ChannelCounterparty given each field + */ +MUST_USE_RES struct LDKChannelCounterparty ChannelCounterparty_new(struct LDKPublicKey node_id_arg, struct LDKInitFeatures features_arg, uint64_t unspendable_punishment_reserve_arg, struct LDKCounterpartyForwardingInfo forwarding_info_arg); + /** * Creates a copy of the ChannelCounterparty */ @@ -13770,14 +16300,14 @@ struct LDKCOption_u64Z ChannelDetails_get_unspendable_punishment_reserve(const s void ChannelDetails_set_unspendable_punishment_reserve(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val); /** - * The user_id passed in to create_channel, or 0 if the channel was inbound. + * The `user_channel_id` passed in to create_channel, or 0 if the channel was inbound. */ -uint64_t ChannelDetails_get_user_id(const struct LDKChannelDetails *NONNULL_PTR this_ptr); +uint64_t ChannelDetails_get_user_channel_id(const struct LDKChannelDetails *NONNULL_PTR this_ptr); /** - * The user_id passed in to create_channel, or 0 if the channel was inbound. + * The `user_channel_id` passed in to create_channel, or 0 if the channel was inbound. */ -void ChannelDetails_set_user_id(struct LDKChannelDetails *NONNULL_PTR this_ptr, uint64_t val); +void ChannelDetails_set_user_channel_id(struct LDKChannelDetails *NONNULL_PTR this_ptr, uint64_t val); /** * The available outbound capacity for sending HTLCs to the remote peer. This does not include @@ -13942,7 +16472,7 @@ void ChannelDetails_set_is_public(struct LDKChannelDetails *NONNULL_PTR this_ptr /** * Constructs a new ChannelDetails given each field */ -MUST_USE_RES struct LDKChannelDetails ChannelDetails_new(struct LDKThirtyTwoBytes channel_id_arg, struct LDKChannelCounterparty counterparty_arg, struct LDKOutPoint funding_txo_arg, struct LDKCOption_u64Z short_channel_id_arg, uint64_t channel_value_satoshis_arg, struct LDKCOption_u64Z unspendable_punishment_reserve_arg, uint64_t user_id_arg, uint64_t outbound_capacity_msat_arg, uint64_t inbound_capacity_msat_arg, struct LDKCOption_u32Z confirmations_required_arg, struct LDKCOption_u16Z force_close_spend_delay_arg, bool is_outbound_arg, bool is_funding_locked_arg, bool is_usable_arg, bool is_public_arg); +MUST_USE_RES struct LDKChannelDetails ChannelDetails_new(struct LDKThirtyTwoBytes channel_id_arg, struct LDKChannelCounterparty counterparty_arg, struct LDKOutPoint funding_txo_arg, struct LDKCOption_u64Z short_channel_id_arg, uint64_t channel_value_satoshis_arg, struct LDKCOption_u64Z unspendable_punishment_reserve_arg, uint64_t user_channel_id_arg, uint64_t outbound_capacity_msat_arg, uint64_t inbound_capacity_msat_arg, struct LDKCOption_u32Z confirmations_required_arg, struct LDKCOption_u16Z force_close_spend_delay_arg, bool is_outbound_arg, bool is_funding_locked_arg, bool is_usable_arg, bool is_public_arg); /** * Creates a copy of the ChannelDetails @@ -13977,7 +16507,7 @@ struct LDKPaymentSendFailure PaymentSendFailure_all_failed_retry_safe(struct LDK /** * 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. @@ -14003,25 +16533,34 @@ MUST_USE_RES struct LDKUserConfig ChannelManager_get_current_default_configurati /** * Creates a new outbound channel to the given remote node and with the given value. * - * user_id will be provided back as user_channel_id in FundingGenerationReady events to allow - * tracking of which events correspond with which create_channel call. Note that the - * user_channel_id defaults to 0 for inbound channels, so you may wish to avoid using 0 for - * user_id here. user_id has no meaning inside of LDK, it is simply copied to events and - * otherwise ignored. - * - * If successful, will generate a SendOpenChannel message event, so you should probably poll - * PeerManager::process_events afterwards. + * `user_channel_id` will be provided back as in + * [`Event::FundingGenerationReady::user_channel_id`] to allow tracking of which events + * correspond with which `create_channel` call. Note that the `user_channel_id` defaults to 0 + * for inbound channels, so you may wish to avoid using 0 for `user_channel_id` here. + * `user_channel_id` has no meaning inside of LDK, it is simply copied to events and otherwise + * ignored. * - * Raises APIError::APIMisuseError when channel_value_satoshis > 2**24 or push_msat is - * greater than channel_value_satoshis * 1k or channel_value_satoshis is < 1000. + * Raises [`APIError::APIMisuseError`] when `channel_value_satoshis` > 2**24 or `push_msat` is + * greater than `channel_value_satoshis * 1k` or `channel_value_satoshis < 1000`. * * Note that we do not check if you are currently connected to the given peer. If no * connection is available, the outbound `open_channel` message may fail to send, resulting in - * the channel eventually being silently forgotten. + * the channel eventually being silently forgotten (dropped on reload). + * + * Returns the new Channel's temporary `channel_id`. This ID will appear as + * [`Event::FundingGenerationReady::temporary_channel_id`] and in + * [`ChannelDetails::channel_id`] until after + * [`ChannelManager::funding_transaction_generated`] is called, swapping the Channel's ID for + * one derived from the funding transaction's TXID. If the counterparty rejects the channel + * immediately, this temporary ID will appear in [`Event::ChannelClosed::channel_id`]. + * + * [`Event::FundingGenerationReady::user_channel_id`]: events::Event::FundingGenerationReady::user_channel_id + * [`Event::FundingGenerationReady::temporary_channel_id`]: events::Event::FundingGenerationReady::temporary_channel_id + * [`Event::ChannelClosed::channel_id`]: events::Event::ChannelClosed::channel_id * * Note that override_config (or a relevant inner pointer) may be NULL or all-0s to represent None */ -MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_create_channel(const struct LDKChannelManager *NONNULL_PTR this_arg, struct LDKPublicKey their_network_key, uint64_t channel_value_satoshis, uint64_t push_msat, uint64_t user_id, struct LDKUserConfig override_config); +MUST_USE_RES struct LDKCResult__u832APIErrorZ ChannelManager_create_channel(const struct LDKChannelManager *NONNULL_PTR this_arg, struct LDKPublicKey their_network_key, uint64_t channel_value_satoshis, uint64_t push_msat, uint64_t user_channel_id, struct LDKUserConfig override_config); /** * Gets the list of open channels, in random order. See ChannelDetail field documentation for @@ -14044,10 +16583,45 @@ MUST_USE_RES struct LDKCVec_ChannelDetailsZ ChannelManager_list_usable_channels( * will be accepted on the given channel, and after additional timeout/the closing of all * pending HTLCs, the channel will be closed on chain. * + * * If we are the channel initiator, we will pay between our [`Background`] and + * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee + * estimate. + * * If our counterparty is the channel initiator, we will require a channel closing + * transaction feerate of at least our [`Background`] feerate or the feerate which + * would appear on a force-closure transaction, whichever is lower. We will allow our + * counterparty to pay as much fee as they'd like, however. + * * May generate a SendShutdown message event on success, which should be relayed. + * + * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis + * [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background + * [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal */ MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_close_channel(const struct LDKChannelManager *NONNULL_PTR this_arg, const uint8_t (*channel_id)[32]); +/** + * Begins the process of closing a channel. After this call (plus some timeout), no new HTLCs + * will be accepted on the given channel, and after additional timeout/the closing of all + * pending HTLCs, the channel will be closed on chain. + * + * `target_feerate_sat_per_1000_weight` has different meanings depending on if we initiated + * the channel being closed or not: + * * If we are the channel initiator, we will pay at least this feerate on the closing + * transaction. The upper-bound is set by + * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`] plus our [`Normal`] fee + * estimate (or `target_feerate_sat_per_1000_weight`, if it is greater). + * * If our counterparty is the channel initiator, we will refuse to accept a channel closure + * transaction feerate below `target_feerate_sat_per_1000_weight` (or the feerate which + * will appear on a force-closure transaction, whichever is lower). + * + * May generate a SendShutdown message event on success, which should be relayed. + * + * [`ChannelConfig::force_close_avoidance_max_fee_satoshis`]: crate::util::config::ChannelConfig::force_close_avoidance_max_fee_satoshis + * [`Background`]: crate::chain::chaininterface::ConfirmationTarget::Background + * [`Normal`]: crate::chain::chaininterface::ConfirmationTarget::Normal + */ +MUST_USE_RES struct LDKCResult_NoneAPIErrorZ ChannelManager_close_channel_with_target_feerate(const struct LDKChannelManager *NONNULL_PTR this_arg, const uint8_t (*channel_id)[32], uint32_t target_feerate_sats_per_1000_weight); + /** * Force closes a channel, immediately broadcasting the latest local commitment transaction to * the chain and rejecting new HTLCs on the given channel. Fails if channel_id is unknown to the manager. @@ -14103,7 +16677,19 @@ void ChannelManager_force_close_all_channels(const struct LDKChannelManager *NON * * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None */ -MUST_USE_RES struct LDKCResult_NonePaymentSendFailureZ ChannelManager_send_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_hash, struct LDKThirtyTwoBytes payment_secret); +MUST_USE_RES struct LDKCResult_PaymentIdPaymentSendFailureZ ChannelManager_send_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_hash, struct LDKThirtyTwoBytes payment_secret); + +/** + * Retries a payment along the given [`Route`]. + * + * Errors returned are a superset of those returned from [`send_payment`], so see + * [`send_payment`] documentation for more details on errors. This method will also error if the + * retry amount puts the payment more than 10% over the payment's total amount, or if the payment + * for the given `payment_id` cannot be found (likely due to timeout or success). + * + * [`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 LDKThirtyTwoBytes payment_id); /** * Send a spontaneous payment, which is a payment that does not require the recipient to have @@ -14112,14 +16698,18 @@ MUST_USE_RES struct LDKCResult_NonePaymentSendFailureZ ChannelManager_send_payme * would be able to guess -- otherwise, an intermediate node may claim the payment and it will * never reach the recipient. * + * See [`send_payment`] documentation for more details on the return value of this function. + * * Similar to regular payments, you MUST NOT reuse a `payment_preimage` value. See * [`send_payment`] for more information about the risks of duplicate preimage usage. * + * Note that `route` must have exactly one path. + * * [`send_payment`]: Self::send_payment * * Note that payment_preimage (or a relevant inner pointer) may be NULL or all-0s to represent None */ -MUST_USE_RES struct LDKCResult_PaymentHashPaymentSendFailureZ ChannelManager_send_spontaneous_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_preimage); +MUST_USE_RES struct LDKCResult_C2Tuple_PaymentHashPaymentIdZPaymentSendFailureZ ChannelManager_send_spontaneous_payment(const struct LDKChannelManager *NONNULL_PTR this_arg, const struct LDKRoute *NONNULL_PTR route, struct LDKThirtyTwoBytes payment_preimage); /** * Call this upon creation of a funding transaction for the given channel. @@ -14176,13 +16766,16 @@ void ChannelManager_broadcast_node_announcement(const struct LDKChannelManager * void ChannelManager_process_pending_htlc_forwards(const struct LDKChannelManager *NONNULL_PTR this_arg); /** - * If a peer is disconnected we mark any channels with that peer as 'disabled'. - * After some time, if channels are still disabled we need to broadcast a ChannelUpdate - * to inform the network about the uselessness of these channels. + * Performs actions which should happen on startup and roughly once per minute thereafter. * - * This method handles all the details, and must be called roughly once per minute. + * This currently includes: + * * Increasing or decreasing the on-chain feerate estimates for our outbound channels, + * * Broadcasting `ChannelUpdate` messages if we've been disconnected from our peer for more + * than a minute, informing the network that they should no longer attempt to route over + * the channel. * - * Note that in some rare cases this may generate a `chain::Watch::update_channel` call. + * Note that this may cause reentrancy through `chain::Watch::update_channel` calls or feerate + * estimate fetches. */ void ChannelManager_timer_tick_occurred(const struct LDKChannelManager *NONNULL_PTR this_arg); @@ -14217,30 +16810,6 @@ MUST_USE_RES bool ChannelManager_claim_funds(const struct LDKChannelManager *NON */ 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. @@ -14984,12 +17553,12 @@ uint16_t FundingCreated_get_funding_output_index(const struct LDKFundingCreated void FundingCreated_set_funding_output_index(struct LDKFundingCreated *NONNULL_PTR this_ptr, uint16_t val); /** - * The signature of the channel initiator (funder) on the funding transaction + * The signature of the channel initiator (funder) on the initial commitment transaction */ struct LDKSignature FundingCreated_get_signature(const struct LDKFundingCreated *NONNULL_PTR this_ptr); /** - * The signature of the channel initiator (funder) on the funding transaction + * The signature of the channel initiator (funder) on the initial commitment transaction */ void FundingCreated_set_signature(struct LDKFundingCreated *NONNULL_PTR this_ptr, struct LDKSignature val); @@ -15019,12 +17588,12 @@ const uint8_t (*FundingSigned_get_channel_id(const struct LDKFundingSigned *NONN void FundingSigned_set_channel_id(struct LDKFundingSigned *NONNULL_PTR this_ptr, struct LDKThirtyTwoBytes val); /** - * The signature of the channel acceptor (fundee) on the funding transaction + * The signature of the channel acceptor (fundee) on the initial commitment transaction */ struct LDKSignature FundingSigned_get_signature(const struct LDKFundingSigned *NONNULL_PTR this_ptr); /** - * The signature of the channel acceptor (fundee) on the funding transaction + * The signature of the channel acceptor (fundee) on the initial commitment transaction */ void FundingSigned_set_signature(struct LDKFundingSigned *NONNULL_PTR this_ptr, struct LDKSignature val); @@ -15110,6 +17679,45 @@ MUST_USE_RES struct LDKShutdown Shutdown_new(struct LDKThirtyTwoBytes channel_id */ struct LDKShutdown Shutdown_clone(const struct LDKShutdown *NONNULL_PTR orig); +/** + * Frees any resources used by the ClosingSignedFeeRange, if is_owned is set and inner is non-NULL. + */ +void ClosingSignedFeeRange_free(struct LDKClosingSignedFeeRange this_obj); + +/** + * The minimum absolute fee, in satoshis, which the sender is willing to place on the closing + * transaction. + */ +uint64_t ClosingSignedFeeRange_get_min_fee_satoshis(const struct LDKClosingSignedFeeRange *NONNULL_PTR this_ptr); + +/** + * The minimum absolute fee, in satoshis, which the sender is willing to place on the closing + * transaction. + */ +void ClosingSignedFeeRange_set_min_fee_satoshis(struct LDKClosingSignedFeeRange *NONNULL_PTR this_ptr, uint64_t val); + +/** + * The maximum absolute fee, in satoshis, which the sender is willing to place on the closing + * transaction. + */ +uint64_t ClosingSignedFeeRange_get_max_fee_satoshis(const struct LDKClosingSignedFeeRange *NONNULL_PTR this_ptr); + +/** + * The maximum absolute fee, in satoshis, which the sender is willing to place on the closing + * transaction. + */ +void ClosingSignedFeeRange_set_max_fee_satoshis(struct LDKClosingSignedFeeRange *NONNULL_PTR this_ptr, uint64_t val); + +/** + * Constructs a new ClosingSignedFeeRange given each field + */ +MUST_USE_RES struct LDKClosingSignedFeeRange ClosingSignedFeeRange_new(uint64_t min_fee_satoshis_arg, uint64_t max_fee_satoshis_arg); + +/** + * Creates a copy of the ClosingSignedFeeRange + */ +struct LDKClosingSignedFeeRange ClosingSignedFeeRange_clone(const struct LDKClosingSignedFeeRange *NONNULL_PTR orig); + /** * Frees any resources used by the ClosingSigned, if is_owned is set and inner is non-NULL. */ @@ -15145,10 +17753,26 @@ struct LDKSignature ClosingSigned_get_signature(const struct LDKClosingSigned *N */ void ClosingSigned_set_signature(struct LDKClosingSigned *NONNULL_PTR this_ptr, struct LDKSignature val); +/** + * The minimum and maximum fees which the sender is willing to accept, provided only by new + * nodes. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ +struct LDKClosingSignedFeeRange ClosingSigned_get_fee_range(const struct LDKClosingSigned *NONNULL_PTR this_ptr); + +/** + * The minimum and maximum fees which the sender is willing to accept, provided only by new + * nodes. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None + */ +void ClosingSigned_set_fee_range(struct LDKClosingSigned *NONNULL_PTR this_ptr, struct LDKClosingSignedFeeRange val); + /** * Constructs a new ClosingSigned given each field */ -MUST_USE_RES struct LDKClosingSigned ClosingSigned_new(struct LDKThirtyTwoBytes channel_id_arg, uint64_t fee_satoshis_arg, struct LDKSignature signature_arg); +MUST_USE_RES struct LDKClosingSigned ClosingSigned_new(struct LDKThirtyTwoBytes channel_id_arg, uint64_t fee_satoshis_arg, struct LDKSignature signature_arg, struct LDKClosingSignedFeeRange fee_range_arg); /** * Creates a copy of the ClosingSigned @@ -15617,11 +18241,6 @@ struct LDKNetAddress NetAddress_onion_v3(struct LDKThirtyTwoBytes ed25519_pubkey */ 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 */ @@ -16302,21 +18921,41 @@ struct LDKLightningError LightningError_clone(const struct LDKLightningError *NO */ void CommitmentUpdate_free(struct LDKCommitmentUpdate this_obj); +/** + * update_add_htlc messages which should be sent + */ +struct LDKCVec_UpdateAddHTLCZ CommitmentUpdate_get_update_add_htlcs(const struct LDKCommitmentUpdate *NONNULL_PTR this_ptr); + /** * update_add_htlc messages which should be sent */ void CommitmentUpdate_set_update_add_htlcs(struct LDKCommitmentUpdate *NONNULL_PTR this_ptr, struct LDKCVec_UpdateAddHTLCZ val); +/** + * update_fulfill_htlc messages which should be sent + */ +struct LDKCVec_UpdateFulfillHTLCZ CommitmentUpdate_get_update_fulfill_htlcs(const struct LDKCommitmentUpdate *NONNULL_PTR this_ptr); + /** * update_fulfill_htlc messages which should be sent */ void CommitmentUpdate_set_update_fulfill_htlcs(struct LDKCommitmentUpdate *NONNULL_PTR this_ptr, struct LDKCVec_UpdateFulfillHTLCZ val); +/** + * update_fail_htlc messages which should be sent + */ +struct LDKCVec_UpdateFailHTLCZ CommitmentUpdate_get_update_fail_htlcs(const struct LDKCommitmentUpdate *NONNULL_PTR this_ptr); + /** * update_fail_htlc messages which should be sent */ void CommitmentUpdate_set_update_fail_htlcs(struct LDKCommitmentUpdate *NONNULL_PTR this_ptr, struct LDKCVec_UpdateFailHTLCZ val); +/** + * update_fail_malformed_htlc messages which should be sent + */ +struct LDKCVec_UpdateFailMalformedHTLCZ CommitmentUpdate_get_update_fail_malformed_htlcs(const struct LDKCommitmentUpdate *NONNULL_PTR this_ptr); + /** * update_fail_malformed_htlc messages which should be sent */ @@ -16356,31 +18995,6 @@ MUST_USE_RES struct LDKCommitmentUpdate CommitmentUpdate_new(struct LDKCVec_Upda */ struct LDKCommitmentUpdate CommitmentUpdate_clone(const struct LDKCommitmentUpdate *NONNULL_PTR orig); -/** - * Frees any resources used by the HTLCFailChannelUpdate - */ -void HTLCFailChannelUpdate_free(struct LDKHTLCFailChannelUpdate this_ptr); - -/** - * Creates a copy of the HTLCFailChannelUpdate - */ -struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_clone(const struct LDKHTLCFailChannelUpdate *NONNULL_PTR orig); - -/** - * Utility method to constructs a new ChannelUpdateMessage-variant HTLCFailChannelUpdate - */ -struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_channel_update_message(struct LDKChannelUpdate msg); - -/** - * Utility method to constructs a new ChannelClosed-variant HTLCFailChannelUpdate - */ -struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_channel_closed(uint64_t short_channel_id, bool is_permanent); - -/** - * Utility method to constructs a new NodeFailure-variant HTLCFailChannelUpdate - */ -struct LDKHTLCFailChannelUpdate HTLCFailChannelUpdate_node_failure(struct LDKPublicKey node_id, bool is_permanent); - /** * Calls the free function if one is set */ @@ -16431,6 +19045,16 @@ struct LDKCVec_u8Z ClosingSigned_write(const struct LDKClosingSigned *NONNULL_PT */ struct LDKCResult_ClosingSignedDecodeErrorZ ClosingSigned_read(struct LDKu8slice ser); +/** + * Serialize the ClosingSignedFeeRange object into a byte array which can be read by ClosingSignedFeeRange_read + */ +struct LDKCVec_u8Z ClosingSignedFeeRange_write(const struct LDKClosingSignedFeeRange *NONNULL_PTR obj); + +/** + * Read a ClosingSignedFeeRange from a byte array, created by ClosingSignedFeeRange_write + */ +struct LDKCResult_ClosingSignedFeeRangeDecodeErrorZ ClosingSignedFeeRange_read(struct LDKu8slice ser); + /** * Serialize the CommitmentSigned object into a byte array which can be read by CommitmentSigned_read */ @@ -16662,14 +19286,14 @@ struct LDKCResult_QueryShortChannelIdsDecodeErrorZ QueryShortChannelIds_read(str struct LDKCVec_u8Z QueryShortChannelIds_write(const struct LDKQueryShortChannelIds *NONNULL_PTR obj); /** - * Read a ReplyShortChannelIdsEnd from a byte array, created by ReplyShortChannelIdsEnd_write + * Serialize the ReplyShortChannelIdsEnd object into a byte array which can be read by ReplyShortChannelIdsEnd_read */ -struct LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ ReplyShortChannelIdsEnd_read(struct LDKu8slice ser); +struct LDKCVec_u8Z ReplyShortChannelIdsEnd_write(const struct LDKReplyShortChannelIdsEnd *NONNULL_PTR obj); /** - * Serialize the ReplyShortChannelIdsEnd object into a byte array which can be read by ReplyShortChannelIdsEnd_read + * Read a ReplyShortChannelIdsEnd from a byte array, created by ReplyShortChannelIdsEnd_write */ -struct LDKCVec_u8Z ReplyShortChannelIdsEnd_write(const struct LDKReplyShortChannelIdsEnd *NONNULL_PTR obj); +struct LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ ReplyShortChannelIdsEnd_read(struct LDKu8slice ser); /** *\n\t * Calculates the overflow safe ending block height for the query.\n\t * Overflow returns `0xffffffff`, otherwise returns `first_blocknum + number_of_blocks`\n\t @@ -16677,14 +19301,14 @@ struct LDKCVec_u8Z ReplyShortChannelIdsEnd_write(const struct LDKReplyShortChann MUST_USE_RES uint32_t QueryChannelRange_end_blocknum(const struct LDKQueryChannelRange *NONNULL_PTR this_arg); /** - * Read a QueryChannelRange from a byte array, created by QueryChannelRange_write + * Serialize the QueryChannelRange object into a byte array which can be read by QueryChannelRange_read */ -struct LDKCResult_QueryChannelRangeDecodeErrorZ QueryChannelRange_read(struct LDKu8slice ser); +struct LDKCVec_u8Z QueryChannelRange_write(const struct LDKQueryChannelRange *NONNULL_PTR obj); /** - * Serialize the QueryChannelRange object into a byte array which can be read by QueryChannelRange_read + * Read a QueryChannelRange from a byte array, created by QueryChannelRange_write */ -struct LDKCVec_u8Z QueryChannelRange_write(const struct LDKQueryChannelRange *NONNULL_PTR obj); +struct LDKCResult_QueryChannelRangeDecodeErrorZ QueryChannelRange_read(struct LDKu8slice ser); /** * Read a ReplyChannelRange from a byte array, created by ReplyChannelRange_write @@ -16696,15 +19320,20 @@ struct LDKCResult_ReplyChannelRangeDecodeErrorZ ReplyChannelRange_read(struct LD */ struct LDKCVec_u8Z ReplyChannelRange_write(const struct LDKReplyChannelRange *NONNULL_PTR obj); +/** + * Serialize the GossipTimestampFilter object into a byte array which can be read by GossipTimestampFilter_read + */ +struct LDKCVec_u8Z GossipTimestampFilter_write(const struct LDKGossipTimestampFilter *NONNULL_PTR obj); + /** * Read a GossipTimestampFilter from a byte array, created by GossipTimestampFilter_write */ struct LDKCResult_GossipTimestampFilterDecodeErrorZ GossipTimestampFilter_read(struct LDKu8slice ser); /** - * Serialize the GossipTimestampFilter object into a byte array which can be read by GossipTimestampFilter_read + * Calls the free function if one is set */ -struct LDKCVec_u8Z GossipTimestampFilter_write(const struct LDKGossipTimestampFilter *NONNULL_PTR obj); +void CustomMessageHandler_free(struct LDKCustomMessageHandler this_ptr); /** * Frees any resources used by the IgnoringMessageHandler, if is_owned is set and inner is non-NULL. @@ -16728,6 +19357,18 @@ struct LDKMessageSendEventsProvider IgnoringMessageHandler_as_MessageSendEventsP */ struct LDKRoutingMessageHandler IgnoringMessageHandler_as_RoutingMessageHandler(const struct LDKIgnoringMessageHandler *NONNULL_PTR this_arg); +/** + * Constructs a new CustomMessageReader which calls the relevant methods on this_arg. + * This copies the `inner` pointer in this_arg and thus the returned CustomMessageReader must be freed before this_arg is + */ +struct LDKCustomMessageReader IgnoringMessageHandler_as_CustomMessageReader(const struct LDKIgnoringMessageHandler *NONNULL_PTR this_arg); + +/** + * Constructs a new CustomMessageHandler which calls the relevant methods on this_arg. + * This copies the `inner` pointer in this_arg and thus the returned CustomMessageHandler must be freed before this_arg is + */ +struct LDKCustomMessageHandler IgnoringMessageHandler_as_CustomMessageHandler(const struct LDKIgnoringMessageHandler *NONNULL_PTR this_arg); + /** * Frees any resources used by the ErroringMessageHandler, if is_owned is set and inner is non-NULL. */ @@ -16841,7 +19482,7 @@ void PeerManager_free(struct LDKPeerManager this_obj); * ephemeral_random_data is used to derive per-connection ephemeral keys and must be * cryptographically secure random bytes. */ -MUST_USE_RES struct LDKPeerManager PeerManager_new(struct LDKMessageHandler message_handler, struct LDKSecretKey our_node_secret, const uint8_t (*ephemeral_random_data)[32], struct LDKLogger logger); +MUST_USE_RES struct LDKPeerManager PeerManager_new(struct LDKMessageHandler message_handler, struct LDKSecretKey our_node_secret, const uint8_t (*ephemeral_random_data)[32], struct LDKLogger logger, struct LDKCustomMessageHandler custom_message_handler); /** * Get the list of node ids for peers which have completed the initial handshake. @@ -16923,6 +19564,9 @@ MUST_USE_RES struct LDKCResult_boolPeerHandleErrorZ PeerManager_read_event(const * May call [`send_data`] on [`SocketDescriptor`]s. Thus, be very careful with reentrancy * issues! * + * You don't have to call this function explicitly if you are using [`lightning-net-tokio`] + * or one of the other clients provided in our language bindings. + * * [`send_payment`]: crate::ln::channelmanager::ChannelManager::send_payment * [`ChannelManager::process_pending_htlc_forwards`]: crate::ln::channelmanager::ChannelManager::process_pending_htlc_forwards * [`send_data`]: SocketDescriptor::send_data @@ -16948,9 +19592,19 @@ void PeerManager_socket_disconnected(const struct LDKPeerManager *NONNULL_PTR th void PeerManager_disconnect_by_node_id(const struct LDKPeerManager *NONNULL_PTR this_arg, struct LDKPublicKey node_id, bool no_connection_possible); /** - * This function should be called roughly once every 30 seconds. - * It will send pings to each peer and disconnect those which did not respond to the last - * round of pings. + * 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. + * + * This may be called on any timescale you want, however, roughly once every five to ten + * seconds is preferred. The call rate determines both how often we send a ping to our peers + * and how much time they have to respond before we disconnect them. * * May call [`send_data`] on all [`SocketDescriptor`]s. Thus, be very careful with reentrancy * issues! @@ -16964,6 +19618,11 @@ void PeerManager_timer_tick_occurred(const struct LDKPeerManager *NONNULL_PTR th */ struct LDKThirtyTwoBytes build_commitment_secret(const uint8_t (*commitment_seed)[32], uint64_t idx); +/** + * Build a closing transaction + */ +struct LDKTransaction build_closing_transaction(uint64_t to_holder_value_sat, uint64_t to_counterparty_value_sat, struct LDKCVec_u8Z to_holder_script, struct LDKCVec_u8Z to_counterparty_script, struct LDKOutPoint funding_outpoint); + /** * Derives a per-commitment-transaction private key (eg an htlc key or delayed_payment key) * from the base secret and the per_commitment_point. @@ -17604,6 +20263,79 @@ MUST_USE_RES struct LDKThirtyTwoBytes BuiltCommitmentTransaction_get_sighash_all */ MUST_USE_RES struct LDKSignature BuiltCommitmentTransaction_sign(const struct LDKBuiltCommitmentTransaction *NONNULL_PTR this_arg, const uint8_t (*funding_key)[32], struct LDKu8slice funding_redeemscript, uint64_t channel_value_satoshis); +/** + * Frees any resources used by the ClosingTransaction, if is_owned is set and inner is non-NULL. + */ +void ClosingTransaction_free(struct LDKClosingTransaction this_obj); + +/** + * Construct an object of the class + */ +MUST_USE_RES struct LDKClosingTransaction ClosingTransaction_new(uint64_t to_holder_value_sat, uint64_t to_counterparty_value_sat, struct LDKCVec_u8Z to_holder_script, struct LDKCVec_u8Z to_counterparty_script, struct LDKOutPoint funding_outpoint); + +/** + * Trust our pre-built transaction. + * + * Applies a wrapper which allows access to the transaction. + * + * This should only be used if you fully trust the builder of this object. It should not + * be used by an external signer - instead use the verify function. + */ +MUST_USE_RES struct LDKTrustedClosingTransaction ClosingTransaction_trust(const struct LDKClosingTransaction *NONNULL_PTR this_arg); + +/** + * Verify our pre-built transaction. + * + * Applies a wrapper which allows access to the transaction. + * + * An external validating signer must call this method before signing + * or using the built transaction. + */ +MUST_USE_RES struct LDKCResult_TrustedClosingTransactionNoneZ ClosingTransaction_verify(const struct LDKClosingTransaction *NONNULL_PTR this_arg, struct LDKOutPoint funding_outpoint); + +/** + * The value to be sent to the holder, or zero if the output will be omitted + */ +MUST_USE_RES uint64_t ClosingTransaction_to_holder_value_sat(const struct LDKClosingTransaction *NONNULL_PTR this_arg); + +/** + * The value to be sent to the counterparty, or zero if the output will be omitted + */ +MUST_USE_RES uint64_t ClosingTransaction_to_counterparty_value_sat(const struct LDKClosingTransaction *NONNULL_PTR this_arg); + +/** + * The destination of the holder's output + */ +MUST_USE_RES struct LDKu8slice ClosingTransaction_to_holder_script(const struct LDKClosingTransaction *NONNULL_PTR this_arg); + +/** + * The destination of the counterparty's output + */ +MUST_USE_RES struct LDKu8slice ClosingTransaction_to_counterparty_script(const struct LDKClosingTransaction *NONNULL_PTR this_arg); + +/** + * Frees any resources used by the TrustedClosingTransaction, if is_owned is set and inner is non-NULL. + */ +void TrustedClosingTransaction_free(struct LDKTrustedClosingTransaction this_obj); + +/** + * The pre-built Bitcoin commitment transaction + */ +MUST_USE_RES struct LDKTransaction TrustedClosingTransaction_built_transaction(const struct LDKTrustedClosingTransaction *NONNULL_PTR this_arg); + +/** + * Get the SIGHASH_ALL sighash value of the transaction. + * + * This can be used to verify a signature. + */ +MUST_USE_RES struct LDKThirtyTwoBytes TrustedClosingTransaction_get_sighash_all(const struct LDKTrustedClosingTransaction *NONNULL_PTR this_arg, struct LDKu8slice funding_redeemscript, uint64_t channel_value_satoshis); + +/** + * Sign a transaction, either because we are counter-signing the counterparty's transaction or + * because we are about to broadcast a holder transaction. + */ +MUST_USE_RES struct LDKSignature TrustedClosingTransaction_sign(const struct LDKTrustedClosingTransaction *NONNULL_PTR this_arg, const uint8_t (*funding_key)[32], struct LDKu8slice funding_redeemscript, uint64_t channel_value_satoshis); + /** * Frees any resources used by the CommitmentTransaction, if is_owned is set and inner is non-NULL. */ @@ -17650,7 +20382,7 @@ MUST_USE_RES uint32_t CommitmentTransaction_feerate_per_kw(const struct LDKCommi * Applies a wrapper which allows access to these fields. * * This should only be used if you fully trust the builder of this object. It should not - *\tbe used by an external signer - instead use the verify function. + * be used by an external signer - instead use the verify function. */ MUST_USE_RES struct LDKTrustedCommitmentTransaction CommitmentTransaction_trust(const struct LDKCommitmentTransaction *NONNULL_PTR this_arg); @@ -17780,6 +20512,12 @@ MUST_USE_RES struct LDKInitFeatures InitFeatures_empty(void); */ MUST_USE_RES struct LDKInitFeatures InitFeatures_known(void); +/** + * Returns true if this `Features` object contains unknown feature flags which are set as + * \"required\". + */ +MUST_USE_RES bool InitFeatures_requires_unknown_bits(const struct LDKInitFeatures *NONNULL_PTR this_arg); + /** * Create a blank Features with no features set */ @@ -17790,6 +20528,12 @@ MUST_USE_RES struct LDKNodeFeatures NodeFeatures_empty(void); */ MUST_USE_RES struct LDKNodeFeatures NodeFeatures_known(void); +/** + * Returns true if this `Features` object contains unknown feature flags which are set as + * \"required\". + */ +MUST_USE_RES bool NodeFeatures_requires_unknown_bits(const struct LDKNodeFeatures *NONNULL_PTR this_arg); + /** * Create a blank Features with no features set */ @@ -17800,6 +20544,12 @@ MUST_USE_RES struct LDKChannelFeatures ChannelFeatures_empty(void); */ MUST_USE_RES struct LDKChannelFeatures ChannelFeatures_known(void); +/** + * Returns true if this `Features` object contains unknown feature flags which are set as + * \"required\". + */ +MUST_USE_RES bool ChannelFeatures_requires_unknown_bits(const struct LDKChannelFeatures *NONNULL_PTR this_arg); + /** * Create a blank Features with no features set */ @@ -17810,6 +20560,12 @@ MUST_USE_RES struct LDKInvoiceFeatures InvoiceFeatures_empty(void); */ MUST_USE_RES struct LDKInvoiceFeatures InvoiceFeatures_known(void); +/** + * Returns true if this `Features` object contains unknown feature flags which are set as + * \"required\". + */ +MUST_USE_RES bool InvoiceFeatures_requires_unknown_bits(const struct LDKInvoiceFeatures *NONNULL_PTR this_arg); + /** * Returns whether the `payment_secret` feature is supported. */ @@ -17866,283 +20622,205 @@ struct LDKCResult_ChannelFeaturesDecodeErrorZ ChannelFeatures_read(struct LDKu8s struct LDKCResult_InvoiceFeaturesDecodeErrorZ InvoiceFeatures_read(struct LDKu8slice ser); /** - * Frees any resources used by the RouteHop, if is_owned is set and inner is non-NULL. - */ -void RouteHop_free(struct LDKRouteHop this_obj); - -/** - * The node_id of the node at this hop. - */ -struct LDKPublicKey RouteHop_get_pubkey(const struct LDKRouteHop *NONNULL_PTR this_ptr); - -/** - * The node_id of the node at this hop. - */ -void RouteHop_set_pubkey(struct LDKRouteHop *NONNULL_PTR this_ptr, struct LDKPublicKey val); - -/** - * The node_announcement features of the node at this hop. For the last hop, these may be - * amended to match the features present in the invoice this node generated. - */ -struct LDKNodeFeatures RouteHop_get_node_features(const struct LDKRouteHop *NONNULL_PTR this_ptr); - -/** - * The node_announcement features of the node at this hop. For the last hop, these may be - * amended to match the features present in the invoice this node generated. - */ -void RouteHop_set_node_features(struct LDKRouteHop *NONNULL_PTR this_ptr, struct LDKNodeFeatures val); - -/** - * The channel that should be used from the previous hop to reach this node. - */ -uint64_t RouteHop_get_short_channel_id(const struct LDKRouteHop *NONNULL_PTR this_ptr); - -/** - * The channel that should be used from the previous hop to reach this node. - */ -void RouteHop_set_short_channel_id(struct LDKRouteHop *NONNULL_PTR this_ptr, uint64_t val); - -/** - * The channel_announcement features of the channel that should be used from the previous hop - * to reach this node. - */ -struct LDKChannelFeatures RouteHop_get_channel_features(const struct LDKRouteHop *NONNULL_PTR this_ptr); - -/** - * The channel_announcement features of the channel that should be used from the previous hop - * to reach this node. - */ -void RouteHop_set_channel_features(struct LDKRouteHop *NONNULL_PTR this_ptr, struct LDKChannelFeatures val); - -/** - * The fee taken on this hop (for paying for the use of the *next* channel in the path). - * For the last hop, this should be the full value of the payment (might be more than - * requested if we had to match htlc_minimum_msat). - */ -uint64_t RouteHop_get_fee_msat(const struct LDKRouteHop *NONNULL_PTR this_ptr); - -/** - * The fee taken on this hop (for paying for the use of the *next* channel in the path). - * For the last hop, this should be the full value of the payment (might be more than - * requested if we had to match htlc_minimum_msat). + * Frees any resources used by the ShutdownScript, if is_owned is set and inner is non-NULL. */ -void RouteHop_set_fee_msat(struct LDKRouteHop *NONNULL_PTR this_ptr, uint64_t val); +void ShutdownScript_free(struct LDKShutdownScript this_obj); /** - * The CLTV delta added for this hop. For the last hop, this should be the full CLTV value - * expected at the destination, in excess of the current block height. + * Creates a copy of the ShutdownScript */ -uint32_t RouteHop_get_cltv_expiry_delta(const struct LDKRouteHop *NONNULL_PTR this_ptr); +struct LDKShutdownScript ShutdownScript_clone(const struct LDKShutdownScript *NONNULL_PTR orig); /** - * The CLTV delta added for this hop. For the last hop, this should be the full CLTV value - * expected at the destination, in excess of the current block height. + * Frees any resources used by the InvalidShutdownScript, if is_owned is set and inner is non-NULL. */ -void RouteHop_set_cltv_expiry_delta(struct LDKRouteHop *NONNULL_PTR this_ptr, uint32_t val); +void InvalidShutdownScript_free(struct LDKInvalidShutdownScript this_obj); /** - * Constructs a new RouteHop given each field + * The script that did not meet the requirements from [BOLT #2]. + * + * [BOLT #2]: https://github.com/lightningnetwork/lightning-rfc/blob/master/02-peer-protocol.md */ -MUST_USE_RES struct LDKRouteHop RouteHop_new(struct LDKPublicKey pubkey_arg, struct LDKNodeFeatures node_features_arg, uint64_t short_channel_id_arg, struct LDKChannelFeatures channel_features_arg, uint64_t fee_msat_arg, uint32_t cltv_expiry_delta_arg); +struct LDKu8slice InvalidShutdownScript_get_script(const struct LDKInvalidShutdownScript *NONNULL_PTR this_ptr); /** - * Creates a copy of the RouteHop + * The script that did not meet the requirements from [BOLT #2]. + * + * [BOLT #2]: https://github.com/lightningnetwork/lightning-rfc/blob/master/02-peer-protocol.md */ -struct LDKRouteHop RouteHop_clone(const struct LDKRouteHop *NONNULL_PTR orig); +void InvalidShutdownScript_set_script(struct LDKInvalidShutdownScript *NONNULL_PTR this_ptr, struct LDKCVec_u8Z val); /** - * Serialize the RouteHop object into a byte array which can be read by RouteHop_read + * Constructs a new InvalidShutdownScript given each field */ -struct LDKCVec_u8Z RouteHop_write(const struct LDKRouteHop *NONNULL_PTR obj); +MUST_USE_RES struct LDKInvalidShutdownScript InvalidShutdownScript_new(struct LDKCVec_u8Z script_arg); /** - * Read a RouteHop from a byte array, created by RouteHop_write + * Serialize the ShutdownScript object into a byte array which can be read by ShutdownScript_read */ -struct LDKCResult_RouteHopDecodeErrorZ RouteHop_read(struct LDKu8slice ser); +struct LDKCVec_u8Z ShutdownScript_write(const struct LDKShutdownScript *NONNULL_PTR obj); /** - * Frees any resources used by the Route, if is_owned is set and inner is non-NULL. + * Read a ShutdownScript from a byte array, created by ShutdownScript_write */ -void Route_free(struct LDKRoute this_obj); +struct LDKCResult_ShutdownScriptDecodeErrorZ ShutdownScript_read(struct LDKu8slice ser); /** - * The list of routes taken for a single (potentially-)multi-part payment. The pubkey of the - * last RouteHop in each path must be the same. - * Each entry represents a list of hops, NOT INCLUDING our own, where the last hop is the - * destination. Thus, this must always be at least length one. While the maximum length of any - * given path is variable, keeping the length of any path to less than 20 should currently - * ensure it is viable. + * Generates a P2WPKH script pubkey from the given [`WPubkeyHash`]. */ -void Route_set_paths(struct LDKRoute *NONNULL_PTR this_ptr, struct LDKCVec_CVec_RouteHopZZ val); +MUST_USE_RES struct LDKShutdownScript ShutdownScript_new_p2wpkh(const uint8_t (*pubkey_hash)[20]); /** - * Constructs a new Route given each field + * Generates a P2WSH script pubkey from the given [`WScriptHash`]. */ -MUST_USE_RES struct LDKRoute Route_new(struct LDKCVec_CVec_RouteHopZZ paths_arg); +MUST_USE_RES struct LDKShutdownScript ShutdownScript_new_p2wsh(const uint8_t (*script_hash)[32]); /** - * Creates a copy of the Route + * Generates a witness script pubkey from the given segwit version and program. + * + * Note for version-zero witness scripts you must use [`ShutdownScript::new_p2wpkh`] or + * [`ShutdownScript::new_p2wsh`] instead. + * + * # Errors + * + * This function may return an error if `program` is invalid for the segwit `version`. */ -struct LDKRoute Route_clone(const struct LDKRoute *NONNULL_PTR orig); +MUST_USE_RES struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ ShutdownScript_new_witness_program(uint8_t version, struct LDKu8slice program); /** - * Serialize the Route object into a byte array which can be read by Route_read + * Converts the shutdown script into the underlying [`Script`]. */ -struct LDKCVec_u8Z Route_write(const struct LDKRoute *NONNULL_PTR obj); +MUST_USE_RES struct LDKCVec_u8Z ShutdownScript_into_inner(struct LDKShutdownScript this_arg); /** - * Read a Route from a byte array, created by Route_write + * Returns the [`PublicKey`] used for a P2WPKH shutdown script if constructed directly from it. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ -struct LDKCResult_RouteDecodeErrorZ Route_read(struct LDKu8slice ser); +MUST_USE_RES struct LDKPublicKey ShutdownScript_as_legacy_pubkey(const struct LDKShutdownScript *NONNULL_PTR this_arg); /** - * Frees any resources used by the RouteHint, if is_owned is set and inner is non-NULL. + * Returns whether the shutdown script is compatible with the features as defined by BOLT #2. + * + * Specifically, checks for compliance with feature `option_shutdown_anysegwit`. */ -void RouteHint_free(struct LDKRouteHint this_obj); +MUST_USE_RES bool ShutdownScript_is_compatible(const struct LDKShutdownScript *NONNULL_PTR this_arg, const struct LDKInitFeatures *NONNULL_PTR features); /** - * Checks if two RouteHints 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. + * Calls the free function if one is set */ -bool RouteHint_eq(const struct LDKRouteHint *NONNULL_PTR a, const struct LDKRouteHint *NONNULL_PTR b); +void CustomMessageReader_free(struct LDKCustomMessageReader this_ptr); /** - * Creates a copy of the RouteHint + * Calls the free function if one is set */ -struct LDKRouteHint RouteHint_clone(const struct LDKRouteHint *NONNULL_PTR orig); +void Type_free(struct LDKType this_ptr); /** - * Frees any resources used by the RouteHintHop, if is_owned is set and inner is non-NULL. + * Calls the free function if one is set */ -void RouteHintHop_free(struct LDKRouteHintHop this_obj); +void Score_free(struct LDKScore this_ptr); /** - * The node_id of the non-target end of the route + * Frees any resources used by the LockableScore, if is_owned is set and inner is non-NULL. */ -struct LDKPublicKey RouteHintHop_get_src_node_id(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); +void LockableScore_free(struct LDKLockableScore this_obj); /** - * The node_id of the non-target end of the route + * Constructs a new LockableScore from a Score */ -void RouteHintHop_set_src_node_id(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKPublicKey val); +MUST_USE_RES struct LDKLockableScore LockableScore_new(struct LDKScore score); /** - * The short_channel_id of this channel + * Serialize the LockableScore object into a byte array which can be read by LockableScore_read */ -uint64_t RouteHintHop_get_short_channel_id(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); +struct LDKCVec_u8Z LockableScore_write(const struct LDKLockableScore *NONNULL_PTR obj); /** - * The short_channel_id of this channel + * Frees any resources used by the NodeId, if is_owned is set and inner is non-NULL. */ -void RouteHintHop_set_short_channel_id(struct LDKRouteHintHop *NONNULL_PTR this_ptr, uint64_t val); +void NodeId_free(struct LDKNodeId this_obj); /** - * The fees which must be paid to use this channel + * Creates a copy of the NodeId */ -struct LDKRoutingFees RouteHintHop_get_fees(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); +struct LDKNodeId NodeId_clone(const struct LDKNodeId *NONNULL_PTR orig); /** - * The fees which must be paid to use this channel + * Create a new NodeId from a public key */ -void RouteHintHop_set_fees(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKRoutingFees val); +MUST_USE_RES struct LDKNodeId NodeId_from_pubkey(struct LDKPublicKey pubkey); /** - * The difference in CLTV values between this node and the next node. + * Get the public key slice from this NodeId */ -uint16_t RouteHintHop_get_cltv_expiry_delta(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); +MUST_USE_RES struct LDKu8slice NodeId_as_slice(const struct LDKNodeId *NONNULL_PTR this_arg); /** - * The difference in CLTV values between this node and the next node. + * Checks if two NodeIds contain equal inner contents. */ -void RouteHintHop_set_cltv_expiry_delta(struct LDKRouteHintHop *NONNULL_PTR this_ptr, uint16_t val); +uint64_t NodeId_hash(const struct LDKNodeId *NONNULL_PTR o); /** - * The minimum value, in msat, which must be relayed to the next hop. + * Serialize the NodeId object into a byte array which can be read by NodeId_read */ -struct LDKCOption_u64Z RouteHintHop_get_htlc_minimum_msat(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); +struct LDKCVec_u8Z NodeId_write(const struct LDKNodeId *NONNULL_PTR obj); /** - * The minimum value, in msat, which must be relayed to the next hop. + * Read a NodeId from a byte array, created by NodeId_write */ -void RouteHintHop_set_htlc_minimum_msat(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val); +struct LDKCResult_NodeIdDecodeErrorZ NodeId_read(struct LDKu8slice ser); /** - * The maximum value in msat available for routing with a single HTLC. + * Frees any resources used by the NetworkGraph, if is_owned is set and inner is non-NULL. */ -struct LDKCOption_u64Z RouteHintHop_get_htlc_maximum_msat(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); +void NetworkGraph_free(struct LDKNetworkGraph this_obj); /** - * The maximum value in msat available for routing with a single HTLC. + * Creates a copy of the NetworkGraph */ -void RouteHintHop_set_htlc_maximum_msat(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val); +struct LDKNetworkGraph NetworkGraph_clone(const struct LDKNetworkGraph *NONNULL_PTR orig); /** - * Constructs a new RouteHintHop given each field + * Frees any resources used by the ReadOnlyNetworkGraph, if is_owned is set and inner is non-NULL. */ -MUST_USE_RES struct LDKRouteHintHop RouteHintHop_new(struct LDKPublicKey src_node_id_arg, uint64_t short_channel_id_arg, struct LDKRoutingFees fees_arg, uint16_t cltv_expiry_delta_arg, struct LDKCOption_u64Z htlc_minimum_msat_arg, struct LDKCOption_u64Z htlc_maximum_msat_arg); +void ReadOnlyNetworkGraph_free(struct LDKReadOnlyNetworkGraph this_obj); /** - * Checks if two RouteHintHops 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. + * Frees any resources used by the NetworkUpdate */ -bool RouteHintHop_eq(const struct LDKRouteHintHop *NONNULL_PTR a, const struct LDKRouteHintHop *NONNULL_PTR b); +void NetworkUpdate_free(struct LDKNetworkUpdate this_ptr); /** - * Creates a copy of the RouteHintHop + * Creates a copy of the NetworkUpdate */ -struct LDKRouteHintHop RouteHintHop_clone(const struct LDKRouteHintHop *NONNULL_PTR orig); +struct LDKNetworkUpdate NetworkUpdate_clone(const struct LDKNetworkUpdate *NONNULL_PTR orig); /** - * 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 + * Utility method to constructs a new ChannelUpdateMessage-variant NetworkUpdate */ -struct LDKCResult_RouteLightningErrorZ get_keysend_route(struct LDKPublicKey our_node_id, 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); +struct LDKNetworkUpdate NetworkUpdate_channel_update_message(struct LDKChannelUpdate msg); /** - * Gets 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. - * 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. - * - * 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. - * - * Panics if first_hops contains channels without short_channel_ids - * (ChannelManager::list_usable_channels will never include such channels). - * - * 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. - * - * 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 + * Utility method to constructs a new ChannelClosed-variant NetworkUpdate */ -struct LDKCResult_RouteLightningErrorZ get_route(struct LDKPublicKey our_node_id, 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); +struct LDKNetworkUpdate NetworkUpdate_channel_closed(uint64_t short_channel_id, bool is_permanent); /** - * Frees any resources used by the NetworkGraph, if is_owned is set and inner is non-NULL. + * Utility method to constructs a new NodeFailure-variant NetworkUpdate */ -void NetworkGraph_free(struct LDKNetworkGraph this_obj); +struct LDKNetworkUpdate NetworkUpdate_node_failure(struct LDKPublicKey node_id, bool is_permanent); /** - * Creates a copy of the NetworkGraph + * Serialize the NetworkUpdate object into a byte array which can be read by NetworkUpdate_read */ -struct LDKNetworkGraph NetworkGraph_clone(const struct LDKNetworkGraph *NONNULL_PTR orig); +struct LDKCVec_u8Z NetworkUpdate_write(const struct LDKNetworkUpdate *NONNULL_PTR obj); /** - * Frees any resources used by the LockedNetworkGraph, if is_owned is set and inner is non-NULL. + * 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 */ -void LockedNetworkGraph_free(struct LDKLockedNetworkGraph this_obj); +struct LDKEventHandler NetGraphMsgHandler_as_EventHandler(const struct LDKNetGraphMsgHandler *NONNULL_PTR this_arg); /** * Frees any resources used by the NetGraphMsgHandler, if is_owned is set and inner is non-NULL. @@ -18151,44 +20829,19 @@ void NetGraphMsgHandler_free(struct LDKNetGraphMsgHandler this_obj); /** * Creates a new tracker of the actual state of the network of channels and nodes, - * assuming a fresh network graph. + * assuming an existing Network Graph. * Chain monitor is used to make sure announced channels exist on-chain, * channel data is correct, and that the announcement is signed with * channel owners' keys. - * - * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None - */ -MUST_USE_RES struct LDKNetGraphMsgHandler NetGraphMsgHandler_new(struct LDKThirtyTwoBytes genesis_hash, struct LDKAccess *chain_access, struct LDKLogger logger); - -/** - * Creates a new tracker of the actual state of the network of channels and nodes, - * assuming an existing Network Graph. - * - * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None */ -MUST_USE_RES struct LDKNetGraphMsgHandler NetGraphMsgHandler_from_net_graph(struct LDKAccess *chain_access, struct LDKLogger logger, struct LDKNetworkGraph network_graph); +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 * existing announcements unless they are updated. * Add, update or remove the provider would replace the current one. - * - * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None - */ -void NetGraphMsgHandler_add_chain_access(struct LDKNetGraphMsgHandler *NONNULL_PTR this_arg, struct LDKAccess *chain_access); - -/** - * Take a read lock on the network_graph and return it in the C-bindings - * newtype helper. This is likely only useful when called via the C - * bindings as you can call `self.network_graph.read().unwrap()` in Rust - * yourself. - */ -MUST_USE_RES struct LDKLockedNetworkGraph NetGraphMsgHandler_read_locked_graph(const struct LDKNetGraphMsgHandler *NONNULL_PTR this_arg); - -/** - * Get a reference to the NetworkGraph which this read-lock contains. */ -MUST_USE_RES struct LDKNetworkGraph LockedNetworkGraph_graph(const struct LDKLockedNetworkGraph *NONNULL_PTR this_arg); +void NetGraphMsgHandler_add_chain_access(struct LDKNetGraphMsgHandler *NONNULL_PTR this_arg, struct LDKCOption_AccessZ chain_access); /** * Constructs a new RoutingMessageHandler which calls the relevant methods on this_arg. @@ -18327,12 +20980,12 @@ void ChannelInfo_set_features(struct LDKChannelInfo *NONNULL_PTR this_ptr, struc /** * Source node of the first direction of a channel */ -struct LDKPublicKey ChannelInfo_get_node_one(const struct LDKChannelInfo *NONNULL_PTR this_ptr); +struct LDKNodeId ChannelInfo_get_node_one(const struct LDKChannelInfo *NONNULL_PTR this_ptr); /** * Source node of the first direction of a channel */ -void ChannelInfo_set_node_one(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKPublicKey val); +void ChannelInfo_set_node_one(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKNodeId val); /** * Details about the first direction of a channel @@ -18351,12 +21004,12 @@ void ChannelInfo_set_one_to_two(struct LDKChannelInfo *NONNULL_PTR this_ptr, str /** * Source node of the second direction of a channel */ -struct LDKPublicKey ChannelInfo_get_node_two(const struct LDKChannelInfo *NONNULL_PTR this_ptr); +struct LDKNodeId ChannelInfo_get_node_two(const struct LDKChannelInfo *NONNULL_PTR this_ptr); /** * Source node of the second direction of a channel */ -void ChannelInfo_set_node_two(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKPublicKey val); +void ChannelInfo_set_node_two(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKNodeId val); /** * Details about the second direction of a channel @@ -18405,7 +21058,7 @@ void ChannelInfo_set_announcement_message(struct LDKChannelInfo *NONNULL_PTR thi /** * Constructs a new ChannelInfo given each field */ -MUST_USE_RES struct LDKChannelInfo ChannelInfo_new(struct LDKChannelFeatures features_arg, struct LDKPublicKey node_one_arg, struct LDKDirectionalChannelInfo one_to_two_arg, struct LDKPublicKey node_two_arg, struct LDKDirectionalChannelInfo two_to_one_arg, struct LDKCOption_u64Z capacity_sats_arg, struct LDKChannelAnnouncement announcement_message_arg); +MUST_USE_RES struct LDKChannelInfo ChannelInfo_new(struct LDKChannelFeatures features_arg, struct LDKNodeId node_one_arg, struct LDKDirectionalChannelInfo one_to_two_arg, struct LDKNodeId node_two_arg, struct LDKDirectionalChannelInfo two_to_one_arg, struct LDKCOption_u64Z capacity_sats_arg, struct LDKChannelAnnouncement announcement_message_arg); /** * Creates a copy of the ChannelInfo @@ -18466,6 +21119,11 @@ bool RoutingFees_eq(const struct LDKRoutingFees *NONNULL_PTR a, const struct LDK */ struct LDKRoutingFees RoutingFees_clone(const struct LDKRoutingFees *NONNULL_PTR orig); +/** + * Checks if two RoutingFeess contain equal inner contents. + */ +uint64_t RoutingFees_hash(const struct LDKRoutingFees *NONNULL_PTR o); + /** * Serialize the RoutingFees object into a byte array which can be read by RoutingFees_read */ @@ -18626,101 +21284,753 @@ MUST_USE_RES struct LDKNodeInfo NodeInfo_new(struct LDKCVec_u64Z channels_arg, s /** * Creates a copy of the NodeInfo */ -struct LDKNodeInfo NodeInfo_clone(const struct LDKNodeInfo *NONNULL_PTR orig); +struct LDKNodeInfo NodeInfo_clone(const struct LDKNodeInfo *NONNULL_PTR orig); + +/** + * Serialize the NodeInfo object into a byte array which can be read by NodeInfo_read + */ +struct LDKCVec_u8Z NodeInfo_write(const struct LDKNodeInfo *NONNULL_PTR obj); + +/** + * Read a NodeInfo from a byte array, created by NodeInfo_write + */ +struct LDKCResult_NodeInfoDecodeErrorZ NodeInfo_read(struct LDKu8slice ser); + +/** + * Serialize the NetworkGraph object into a byte array which can be read by NetworkGraph_read + */ +struct LDKCVec_u8Z NetworkGraph_write(const struct LDKNetworkGraph *NONNULL_PTR obj); + +/** + * Read a NetworkGraph from a byte array, created by NetworkGraph_write + */ +struct LDKCResult_NetworkGraphDecodeErrorZ NetworkGraph_read(struct LDKu8slice ser); + +/** + * Creates a new, empty, network graph. + */ +MUST_USE_RES struct LDKNetworkGraph NetworkGraph_new(struct LDKThirtyTwoBytes genesis_hash); + +/** + * Returns a read-only view of the network graph. + */ +MUST_USE_RES struct LDKReadOnlyNetworkGraph NetworkGraph_read_only(const struct LDKNetworkGraph *NONNULL_PTR this_arg); + +/** + * For an already known node (from channel announcements), update its stored properties from a + * given node announcement. + * + * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's + * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept + * routing messages from a source using a protocol other than the lightning P2P protocol. + */ +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_node_from_announcement(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKNodeAnnouncement *NONNULL_PTR msg); + +/** + * For an already known node (from channel announcements), update its stored properties from a + * given node announcement without verifying the associated signatures. Because we aren't + * given the associated signatures here we cannot relay the node announcement to any of our + * peers. + */ +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_node_from_unsigned_announcement(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedNodeAnnouncement *NONNULL_PTR msg); + +/** + * Store or update channel info from a channel announcement. + * + * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's + * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept + * routing messages from a source using a protocol other than the lightning P2P protocol. + * + * If a `chain::Access` object is provided via `chain_access`, it will be called to verify + * the corresponding UTXO exists on chain and is correctly-formatted. + */ +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_from_announcement(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKChannelAnnouncement *NONNULL_PTR msg, struct LDKCOption_AccessZ chain_access); + +/** + * Store or update channel info from a channel announcement without verifying the associated + * signatures. Because we aren't given the associated signatures here we cannot relay the + * channel announcement to any of our peers. + * + * If a `chain::Access` object is provided via `chain_access`, it will be called to verify + * the corresponding UTXO exists on chain and is correctly-formatted. + */ +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_from_unsigned_announcement(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelAnnouncement *NONNULL_PTR msg, struct LDKCOption_AccessZ chain_access); + +/** + * Close a channel if a corresponding HTLC fail was sent. + * If permanent, removes a channel from the local storage. + * May cause the removal of nodes too, if this was their last channel. + * If not permanent, makes channels unavailable for routing. + */ +void NetworkGraph_close_channel_from_update(const struct LDKNetworkGraph *NONNULL_PTR this_arg, uint64_t short_channel_id, bool is_permanent); + +/** + * Marks a node in the graph as failed. + */ +void NetworkGraph_fail_node(const struct LDKNetworkGraph *NONNULL_PTR this_arg, struct LDKPublicKey _node_id, bool is_permanent); + +/** + * For an already known (from announcement) channel, update info about one of the directions + * of the channel. + * + * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's + * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept + * routing messages from a source using a protocol other than the lightning P2P protocol. + */ +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKChannelUpdate *NONNULL_PTR msg); + +/** + * For an already known (from announcement) channel, update info about one of the directions + * of the channel without verifying the associated signatures. Because we aren't given the + * associated signatures here we cannot relay the channel update to any of our peers. + */ +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_unsigned(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelUpdate *NONNULL_PTR msg); + +/** + * Get network addresses by node id. + * Returns None if the requested node is completely unknown, + * or if node announcement for the node was never received. + */ +MUST_USE_RES struct LDKCOption_CVec_NetAddressZZ ReadOnlyNetworkGraph_get_addresses(const struct LDKReadOnlyNetworkGraph *NONNULL_PTR this_arg, struct LDKPublicKey pubkey); + +/** + * Frees any resources used by the RouteHop, if is_owned is set and inner is non-NULL. + */ +void RouteHop_free(struct LDKRouteHop this_obj); + +/** + * The node_id of the node at this hop. + */ +struct LDKPublicKey RouteHop_get_pubkey(const struct LDKRouteHop *NONNULL_PTR this_ptr); + +/** + * The node_id of the node at this hop. + */ +void RouteHop_set_pubkey(struct LDKRouteHop *NONNULL_PTR this_ptr, struct LDKPublicKey val); + +/** + * The node_announcement features of the node at this hop. For the last hop, these may be + * amended to match the features present in the invoice this node generated. + */ +struct LDKNodeFeatures RouteHop_get_node_features(const struct LDKRouteHop *NONNULL_PTR this_ptr); + +/** + * The node_announcement features of the node at this hop. For the last hop, these may be + * amended to match the features present in the invoice this node generated. + */ +void RouteHop_set_node_features(struct LDKRouteHop *NONNULL_PTR this_ptr, struct LDKNodeFeatures val); + +/** + * The channel that should be used from the previous hop to reach this node. + */ +uint64_t RouteHop_get_short_channel_id(const struct LDKRouteHop *NONNULL_PTR this_ptr); + +/** + * The channel that should be used from the previous hop to reach this node. + */ +void RouteHop_set_short_channel_id(struct LDKRouteHop *NONNULL_PTR this_ptr, uint64_t val); + +/** + * The channel_announcement features of the channel that should be used from the previous hop + * to reach this node. + */ +struct LDKChannelFeatures RouteHop_get_channel_features(const struct LDKRouteHop *NONNULL_PTR this_ptr); + +/** + * The channel_announcement features of the channel that should be used from the previous hop + * to reach this node. + */ +void RouteHop_set_channel_features(struct LDKRouteHop *NONNULL_PTR this_ptr, struct LDKChannelFeatures val); + +/** + * The fee taken on this hop (for paying for the use of the *next* channel in the path). + * For the last hop, this should be the full value of the payment (might be more than + * requested if we had to match htlc_minimum_msat). + */ +uint64_t RouteHop_get_fee_msat(const struct LDKRouteHop *NONNULL_PTR this_ptr); + +/** + * The fee taken on this hop (for paying for the use of the *next* channel in the path). + * For the last hop, this should be the full value of the payment (might be more than + * requested if we had to match htlc_minimum_msat). + */ +void RouteHop_set_fee_msat(struct LDKRouteHop *NONNULL_PTR this_ptr, uint64_t val); + +/** + * The CLTV delta added for this hop. For the last hop, this should be the full CLTV value + * expected at the destination, in excess of the current block height. + */ +uint32_t RouteHop_get_cltv_expiry_delta(const struct LDKRouteHop *NONNULL_PTR this_ptr); + +/** + * The CLTV delta added for this hop. For the last hop, this should be the full CLTV value + * expected at the destination, in excess of the current block height. + */ +void RouteHop_set_cltv_expiry_delta(struct LDKRouteHop *NONNULL_PTR this_ptr, uint32_t val); + +/** + * Constructs a new RouteHop given each field + */ +MUST_USE_RES struct LDKRouteHop RouteHop_new(struct LDKPublicKey pubkey_arg, struct LDKNodeFeatures node_features_arg, uint64_t short_channel_id_arg, struct LDKChannelFeatures channel_features_arg, uint64_t fee_msat_arg, uint32_t cltv_expiry_delta_arg); + +/** + * Creates a copy of the RouteHop + */ +struct LDKRouteHop RouteHop_clone(const struct LDKRouteHop *NONNULL_PTR orig); + +/** + * Checks if two RouteHops contain equal inner contents. + */ +uint64_t RouteHop_hash(const struct LDKRouteHop *NONNULL_PTR o); + +/** + * Checks if two RouteHops 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 RouteHop_eq(const struct LDKRouteHop *NONNULL_PTR a, const struct LDKRouteHop *NONNULL_PTR b); + +/** + * Serialize the RouteHop object into a byte array which can be read by RouteHop_read + */ +struct LDKCVec_u8Z RouteHop_write(const struct LDKRouteHop *NONNULL_PTR obj); + +/** + * Read a RouteHop from a byte array, created by RouteHop_write + */ +struct LDKCResult_RouteHopDecodeErrorZ RouteHop_read(struct LDKu8slice ser); + +/** + * Frees any resources used by the Route, if is_owned is set and inner is non-NULL. + */ +void Route_free(struct LDKRoute this_obj); + +/** + * The list of routes taken for a single (potentially-)multi-part payment. The pubkey of the + * last RouteHop in each path must be the same. + * Each entry represents a list of hops, NOT INCLUDING our own, where the last hop is the + * destination. Thus, this must always be at least length one. While the maximum length of any + * given path is variable, keeping the length of any path to less than 20 should currently + * ensure it is viable. + */ +struct LDKCVec_CVec_RouteHopZZ Route_get_paths(const struct LDKRoute *NONNULL_PTR this_ptr); + +/** + * The list of routes taken for a single (potentially-)multi-part payment. The pubkey of the + * last RouteHop in each path must be the same. + * Each entry represents a list of hops, NOT INCLUDING our own, where the last hop is the + * destination. Thus, this must always be at least length one. While the maximum length of any + * given path is variable, keeping the length of any path to less than 20 should currently + * ensure it is viable. + */ +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, struct LDKPayee payee_arg); + +/** + * Creates a copy of the Route + */ +struct LDKRoute Route_clone(const struct LDKRoute *NONNULL_PTR orig); + +/** + * Checks if two Routes contain equal inner contents. + */ +uint64_t Route_hash(const struct LDKRoute *NONNULL_PTR o); + +/** + * Checks if two Routes 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 Route_eq(const struct LDKRoute *NONNULL_PTR a, const struct LDKRoute *NONNULL_PTR b); + +/** + * 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 [`find_route`]'s `params.final_value_msat`. + */ +MUST_USE_RES uint64_t Route_get_total_fees(const struct LDKRoute *NONNULL_PTR this_arg); + +/** + * Returns the total amount paid on this [`Route`], excluding the fees. + */ +MUST_USE_RES uint64_t Route_get_total_amount(const struct LDKRoute *NONNULL_PTR this_arg); + +/** + * Serialize the Route object into a byte array which can be read by Route_read + */ +struct LDKCVec_u8Z Route_write(const struct LDKRoute *NONNULL_PTR obj); + +/** + * Read a Route from a byte array, created by Route_write + */ +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 + */ +struct LDKRouteHint RouteHint_clone(const struct LDKRouteHint *NONNULL_PTR orig); + +/** + * Checks if two RouteHints contain equal inner contents. + */ +uint64_t RouteHint_hash(const struct LDKRouteHint *NONNULL_PTR o); + +/** + * Checks if two RouteHints 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 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. + */ +void RouteHintHop_free(struct LDKRouteHintHop this_obj); + +/** + * The node_id of the non-target end of the route + */ +struct LDKPublicKey RouteHintHop_get_src_node_id(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); + +/** + * The node_id of the non-target end of the route + */ +void RouteHintHop_set_src_node_id(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKPublicKey val); + +/** + * The short_channel_id of this channel + */ +uint64_t RouteHintHop_get_short_channel_id(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); + +/** + * The short_channel_id of this channel + */ +void RouteHintHop_set_short_channel_id(struct LDKRouteHintHop *NONNULL_PTR this_ptr, uint64_t val); + +/** + * The fees which must be paid to use this channel + */ +struct LDKRoutingFees RouteHintHop_get_fees(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); + +/** + * The fees which must be paid to use this channel + */ +void RouteHintHop_set_fees(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKRoutingFees val); + +/** + * The difference in CLTV values between this node and the next node. + */ +uint16_t RouteHintHop_get_cltv_expiry_delta(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); + +/** + * The difference in CLTV values between this node and the next node. + */ +void RouteHintHop_set_cltv_expiry_delta(struct LDKRouteHintHop *NONNULL_PTR this_ptr, uint16_t val); + +/** + * The minimum value, in msat, which must be relayed to the next hop. + */ +struct LDKCOption_u64Z RouteHintHop_get_htlc_minimum_msat(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); + +/** + * The minimum value, in msat, which must be relayed to the next hop. + */ +void RouteHintHop_set_htlc_minimum_msat(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val); + +/** + * The maximum value in msat available for routing with a single HTLC. + */ +struct LDKCOption_u64Z RouteHintHop_get_htlc_maximum_msat(const struct LDKRouteHintHop *NONNULL_PTR this_ptr); + +/** + * The maximum value in msat available for routing with a single HTLC. + */ +void RouteHintHop_set_htlc_maximum_msat(struct LDKRouteHintHop *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val); + +/** + * Constructs a new RouteHintHop given each field + */ +MUST_USE_RES struct LDKRouteHintHop RouteHintHop_new(struct LDKPublicKey src_node_id_arg, uint64_t short_channel_id_arg, struct LDKRoutingFees fees_arg, uint16_t cltv_expiry_delta_arg, struct LDKCOption_u64Z htlc_minimum_msat_arg, struct LDKCOption_u64Z htlc_maximum_msat_arg); + +/** + * Creates a copy of the RouteHintHop + */ +struct LDKRouteHintHop RouteHintHop_clone(const struct LDKRouteHintHop *NONNULL_PTR orig); + +/** + * Checks if two RouteHintHops contain equal inner contents. + */ +uint64_t RouteHintHop_hash(const struct LDKRouteHintHop *NONNULL_PTR o); + +/** + * Checks if two RouteHintHops 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 RouteHintHop_eq(const struct LDKRouteHintHop *NONNULL_PTR a, const struct LDKRouteHintHop *NONNULL_PTR b); + +/** + * Serialize the RouteHintHop object into a byte array which can be read by RouteHintHop_read + */ +struct LDKCVec_u8Z RouteHintHop_write(const struct LDKRouteHintHop *NONNULL_PTR obj); + +/** + * 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 `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 `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. + * + * 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. + * + * # 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 + * + * 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 first_hops (or a relevant inner pointer) may be NULL or all-0s to represent None + */ +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); + +/** + * 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. + */ +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); /** - * Serialize the NodeInfo object into a byte array which can be read by NodeInfo_read + * 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 */ -struct LDKCVec_u8Z NodeInfo_write(const struct LDKNodeInfo *NONNULL_PTR obj); +void ScoringParameters_set_failure_penalty_msat(struct LDKScoringParameters *NONNULL_PTR this_ptr, uint64_t val); /** - * Read a NodeInfo from a byte array, created by NodeInfo_write + * 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 */ -struct LDKCResult_NodeInfoDecodeErrorZ NodeInfo_read(struct LDKu8slice ser); +uint64_t ScoringParameters_get_failure_penalty_half_life(const struct LDKScoringParameters *NONNULL_PTR this_ptr); /** - * Serialize the NetworkGraph object into a byte array which can be read by NetworkGraph_read + * 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 */ -struct LDKCVec_u8Z NetworkGraph_write(const struct LDKNetworkGraph *NONNULL_PTR obj); +void ScoringParameters_set_failure_penalty_half_life(struct LDKScoringParameters *NONNULL_PTR this_ptr, uint64_t val); /** - * Read a NetworkGraph from a byte array, created by NetworkGraph_write + * Constructs a new ScoringParameters given each field */ -struct LDKCResult_NetworkGraphDecodeErrorZ NetworkGraph_read(struct LDKu8slice ser); +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); /** - * Creates a new, empty, network graph. + * Serialize the ScoringParameters object into a byte array which can be read by ScoringParameters_read */ -MUST_USE_RES struct LDKNetworkGraph NetworkGraph_new(struct LDKThirtyTwoBytes genesis_hash); +struct LDKCVec_u8Z ScoringParameters_write(const struct LDKScoringParameters *NONNULL_PTR obj); /** - * For an already known node (from channel announcements), update its stored properties from a - * given node announcement. - * - * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's - * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept - * routing messages from a source using a protocol other than the lightning P2P protocol. + * Read a ScoringParameters from a byte array, created by ScoringParameters_write */ -MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_node_from_announcement(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKNodeAnnouncement *NONNULL_PTR msg); +struct LDKCResult_ScoringParametersDecodeErrorZ ScoringParameters_read(struct LDKu8slice ser); /** - * For an already known node (from channel announcements), update its stored properties from a - * given node announcement without verifying the associated signatures. Because we aren't - * given the associated signatures here we cannot relay the node announcement to any of our - * peers. + * Creates a new scorer using the given scoring parameters. */ -MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_node_from_unsigned_announcement(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedNodeAnnouncement *NONNULL_PTR msg); +MUST_USE_RES struct LDKScorer Scorer_new(struct LDKScoringParameters params); /** - * Store or update channel info from a channel announcement. - * - * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's - * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept - * routing messages from a source using a protocol other than the lightning P2P protocol. - * - * If a `chain::Access` object is provided via `chain_access`, it will be called to verify - * the corresponding UTXO exists on chain and is correctly-formatted. - * - * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None + * Creates a "default" Scorer. See struct and individual field documentaiton for details on which values are used. */ -MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_from_announcement(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKChannelAnnouncement *NONNULL_PTR msg, struct LDKAccess *chain_access); +MUST_USE_RES struct LDKScorer Scorer_default(void); /** - * Store or update channel info from a channel announcement without verifying the associated - * signatures. Because we aren't given the associated signatures here we cannot relay the - * channel announcement to any of our peers. - * - * If a `chain::Access` object is provided via `chain_access`, it will be called to verify - * the corresponding UTXO exists on chain and is correctly-formatted. - * - * Note that chain_access (or a relevant inner pointer) may be NULL or all-0s to represent None + * Creates a "default" ScoringParameters. See struct and individual field documentaiton for details on which values are used. */ -MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_from_unsigned_announcement(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelAnnouncement *NONNULL_PTR msg, struct LDKAccess *chain_access); +MUST_USE_RES struct LDKScoringParameters ScoringParameters_default(void); /** - * Close a channel if a corresponding HTLC fail was sent. - * If permanent, removes a channel from the local storage. - * May cause the removal of nodes too, if this was their last channel. - * If not permanent, makes channels unavailable for routing. + * 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 */ -void NetworkGraph_close_channel_from_update(struct LDKNetworkGraph *NONNULL_PTR this_arg, uint64_t short_channel_id, bool is_permanent); +struct LDKScore Scorer_as_Score(const struct LDKScorer *NONNULL_PTR this_arg); /** - * For an already known (from announcement) channel, update info about one of the directions - * of the channel. - * - * You probably don't want to call this directly, instead relying on a NetGraphMsgHandler's - * RoutingMessageHandler implementation to call it indirectly. This may be useful to accept - * routing messages from a source using a protocol other than the lightning P2P protocol. + * Serialize the Scorer object into a byte array which can be read by Scorer_read */ -MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKChannelUpdate *NONNULL_PTR msg); +struct LDKCVec_u8Z Scorer_write(const struct LDKScorer *NONNULL_PTR obj); /** - * For an already known (from announcement) channel, update info about one of the directions - * of the channel without verifying the associated signatures. Because we aren't given the - * associated signatures here we cannot relay the channel update to any of our peers. + * Read a Scorer from a byte array, created by Scorer_write */ -MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_unsigned(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelUpdate *NONNULL_PTR msg); +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. @@ -18773,23 +22083,35 @@ void ChannelManagerPersister_free(struct LDKChannelManagerPersister this_ptr); * `persist_manager` returns an error. In case of an error, the error is retrieved by calling * either [`join`] or [`stop`]. * - * Typically, users should either implement [`ChannelManagerPersister`] to never return an - * error or call [`join`] and handle any error that may arise. For the latter case, the - * `BackgroundProcessor` must be restarted by calling `start` again after handling the error. + * # Data Persistence * * `persist_manager` is responsible for writing out the [`ChannelManager`] to disk, and/or * uploading to one or more backup services. See [`ChannelManager::write`] for writing out a * [`ChannelManager`]. See [`FilesystemPersister::persist_manager`] for Rust-Lightning's * provided implementation. * + * Typically, users should either implement [`ChannelManagerPersister`] to never return an + * error or call [`join`] and handle any error that may arise. For the latter case, + * `BackgroundProcessor` must be restarted by calling `start` again after handling the error. + * + * # Event Handling + * + * `event_handler` is responsible for handling events that users should be notified of (e.g., + * payment failed). [`BackgroundProcessor`] may decorate the given [`EventHandler`] with common + * functionality implemented by other handlers. + * * [`NetGraphMsgHandler`] if given will update the [`NetworkGraph`] based on payment failures. + * * [top-level documentation]: Self * [`join`]: Self::join * [`stop`]: Self::stop * [`ChannelManager`]: lightning::ln::channelmanager::ChannelManager * [`ChannelManager::write`]: lightning::ln::channelmanager::ChannelManager#impl-Writeable * [`FilesystemPersister::persist_manager`]: lightning_persister::FilesystemPersister::persist_manager + * [`NetworkGraph`]: lightning::routing::network_graph::NetworkGraph + * + * Note that net_graph_msg_handler (or a relevant inner pointer) may be NULL or all-0s to represent None */ -MUST_USE_RES struct LDKBackgroundProcessor BackgroundProcessor_start(struct LDKChannelManagerPersister persister, struct LDKEventHandler event_handler, const struct LDKChainMonitor *NONNULL_PTR chain_monitor, const struct LDKChannelManager *NONNULL_PTR channel_manager, const struct LDKPeerManager *NONNULL_PTR peer_manager, struct LDKLogger logger); +MUST_USE_RES struct LDKBackgroundProcessor BackgroundProcessor_start(struct LDKChannelManagerPersister persister, struct LDKEventHandler event_handler, const struct LDKChainMonitor *NONNULL_PTR chain_monitor, const struct LDKChannelManager *NONNULL_PTR channel_manager, struct LDKNetGraphMsgHandler net_graph_msg_handler, const struct LDKPeerManager *NONNULL_PTR peer_manager, struct LDKLogger logger); /** * Join `BackgroundProcessor`'s thread, returning any error that occurred while persisting @@ -19006,6 +22328,11 @@ enum LDKCurrency Currency_simnet(void); */ enum LDKCurrency Currency_signet(void); +/** + * Checks if two Currencys contain equal inner contents. + */ +uint64_t Currency_hash(const enum LDKCurrency *NONNULL_PTR o); + /** * Checks if two Currencys contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -19017,6 +22344,16 @@ bool Currency_eq(const enum LDKCurrency *NONNULL_PTR a, const enum LDKCurrency * */ void Sha256_free(struct LDKSha256 this_obj); +/** + * Creates a copy of the Sha256 + */ +struct LDKSha256 Sha256_clone(const struct LDKSha256 *NONNULL_PTR orig); + +/** + * Checks if two Sha256s contain equal inner contents. + */ +uint64_t Sha256_hash(const struct LDKSha256 *NONNULL_PTR o); + /** * Checks if two Sha256s contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -19025,38 +22362,40 @@ void Sha256_free(struct LDKSha256 this_obj); bool Sha256_eq(const struct LDKSha256 *NONNULL_PTR a, const struct LDKSha256 *NONNULL_PTR b); /** - * Creates a copy of the Sha256 + * Frees any resources used by the Description, if is_owned is set and inner is non-NULL. */ -struct LDKSha256 Sha256_clone(const struct LDKSha256 *NONNULL_PTR orig); +void Description_free(struct LDKDescription this_obj); /** - * Frees any resources used by the Description, if is_owned is set and inner is non-NULL. + * Creates a copy of the Description */ -void Description_free(struct LDKDescription this_obj); +struct LDKDescription Description_clone(const struct LDKDescription *NONNULL_PTR orig); /** * Checks if two Descriptions 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 Description_eq(const struct LDKDescription *NONNULL_PTR a, const struct LDKDescription *NONNULL_PTR b); +uint64_t Description_hash(const struct LDKDescription *NONNULL_PTR o); /** - * Creates a copy of the Description + * Checks if two Descriptions 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. */ -struct LDKDescription Description_clone(const struct LDKDescription *NONNULL_PTR orig); +bool Description_eq(const struct LDKDescription *NONNULL_PTR a, const struct LDKDescription *NONNULL_PTR b); /** * Frees any resources used by the PayeePubKey, 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); + /** - * Checks if two PayeePubKeys 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. + * Constructs a new PayeePubKey given each field */ -bool PayeePubKey_eq(const struct LDKPayeePubKey *NONNULL_PTR a, const struct LDKPayeePubKey *NONNULL_PTR b); +MUST_USE_RES struct LDKPayeePubKey PayeePubKey_new(struct LDKPublicKey a_arg); /** * Creates a copy of the PayeePubKey @@ -19064,16 +22403,21 @@ bool PayeePubKey_eq(const struct LDKPayeePubKey *NONNULL_PTR a, const struct LDK struct LDKPayeePubKey PayeePubKey_clone(const struct LDKPayeePubKey *NONNULL_PTR orig); /** - * Frees any resources used by the ExpiryTime, if is_owned is set and inner is non-NULL. + * Checks if two PayeePubKeys contain equal inner contents. */ -void ExpiryTime_free(struct LDKExpiryTime this_obj); +uint64_t PayeePubKey_hash(const struct LDKPayeePubKey *NONNULL_PTR o); /** - * Checks if two ExpiryTimes contain equal inner contents. + * Checks if two PayeePubKeys 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 ExpiryTime_eq(const struct LDKExpiryTime *NONNULL_PTR a, const struct LDKExpiryTime *NONNULL_PTR b); +bool PayeePubKey_eq(const struct LDKPayeePubKey *NONNULL_PTR a, const struct LDKPayeePubKey *NONNULL_PTR b); + +/** + * Frees any resources used by the ExpiryTime, if is_owned is set and inner is non-NULL. + */ +void ExpiryTime_free(struct LDKExpiryTime this_obj); /** * Creates a copy of the ExpiryTime @@ -19081,22 +22425,48 @@ bool ExpiryTime_eq(const struct LDKExpiryTime *NONNULL_PTR a, const struct LDKEx struct LDKExpiryTime ExpiryTime_clone(const struct LDKExpiryTime *NONNULL_PTR orig); /** - * Frees any resources used by the MinFinalCltvExpiry, if is_owned is set and inner is non-NULL. + * Checks if two ExpiryTimes contain equal inner contents. */ -void MinFinalCltvExpiry_free(struct LDKMinFinalCltvExpiry this_obj); +uint64_t ExpiryTime_hash(const struct LDKExpiryTime *NONNULL_PTR o); /** - * Checks if two MinFinalCltvExpirys contain equal inner contents. + * Checks if two ExpiryTimes 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 MinFinalCltvExpiry_eq(const struct LDKMinFinalCltvExpiry *NONNULL_PTR a, const struct LDKMinFinalCltvExpiry *NONNULL_PTR b); +bool ExpiryTime_eq(const struct LDKExpiryTime *NONNULL_PTR a, const struct LDKExpiryTime *NONNULL_PTR b); + +/** + * Frees any resources used by the MinFinalCltvExpiry, if is_owned is set and inner is non-NULL. + */ +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 */ struct LDKMinFinalCltvExpiry MinFinalCltvExpiry_clone(const struct LDKMinFinalCltvExpiry *NONNULL_PTR orig); +/** + * Checks if two MinFinalCltvExpirys contain equal inner contents. + */ +uint64_t MinFinalCltvExpiry_hash(const struct LDKMinFinalCltvExpiry *NONNULL_PTR o); + +/** + * Checks if two MinFinalCltvExpirys 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 MinFinalCltvExpiry_eq(const struct LDKMinFinalCltvExpiry *NONNULL_PTR a, const struct LDKMinFinalCltvExpiry *NONNULL_PTR b); + /** * Frees any resources used by the Fallback */ @@ -19122,6 +22492,11 @@ struct LDKFallback Fallback_pub_key_hash(struct LDKTwentyBytes a); */ struct LDKFallback Fallback_script_hash(struct LDKTwentyBytes a); +/** + * Checks if two Fallbacks contain equal inner contents. + */ +uint64_t Fallback_hash(const struct LDKFallback *NONNULL_PTR o); + /** * Checks if two Fallbacks contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -19133,6 +22508,11 @@ bool Fallback_eq(const struct LDKFallback *NONNULL_PTR a, const struct LDKFallba */ void InvoiceSignature_free(struct LDKInvoiceSignature this_obj); +/** + * Creates a copy of the InvoiceSignature + */ +struct LDKInvoiceSignature InvoiceSignature_clone(const struct LDKInvoiceSignature *NONNULL_PTR orig); + /** * Checks if two InvoiceSignatures contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -19141,26 +22521,26 @@ void InvoiceSignature_free(struct LDKInvoiceSignature this_obj); bool InvoiceSignature_eq(const struct LDKInvoiceSignature *NONNULL_PTR a, const struct LDKInvoiceSignature *NONNULL_PTR b); /** - * Creates a copy of the InvoiceSignature + * Frees any resources used by the PrivateRoute, if is_owned is set and inner is non-NULL. */ -struct LDKInvoiceSignature InvoiceSignature_clone(const struct LDKInvoiceSignature *NONNULL_PTR orig); +void PrivateRoute_free(struct LDKPrivateRoute this_obj); /** - * Frees any resources used by the PrivateRoute, if is_owned is set and inner is non-NULL. + * Creates a copy of the PrivateRoute */ -void PrivateRoute_free(struct LDKPrivateRoute this_obj); +struct LDKPrivateRoute PrivateRoute_clone(const struct LDKPrivateRoute *NONNULL_PTR orig); /** * Checks if two PrivateRoutes 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 PrivateRoute_eq(const struct LDKPrivateRoute *NONNULL_PTR a, const struct LDKPrivateRoute *NONNULL_PTR b); +uint64_t PrivateRoute_hash(const struct LDKPrivateRoute *NONNULL_PTR o); /** - * Creates a copy of the PrivateRoute + * Checks if two PrivateRoutes 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. */ -struct LDKPrivateRoute PrivateRoute_clone(const struct LDKPrivateRoute *NONNULL_PTR orig); +bool PrivateRoute_eq(const struct LDKPrivateRoute *NONNULL_PTR a, const struct LDKPrivateRoute *NONNULL_PTR b); /** * Disassembles the `SignedRawInvoice` into its three parts: @@ -19294,10 +22674,17 @@ MUST_USE_RES struct LDKCResult_NoneSemanticErrorZ Invoice_check_signature(const * ``` * use lightning_invoice::*; * - * let invoice = \"lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdp\\ - * \tl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq8rkx3yf5tcsyz3d7\\ - * \t3gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ec\\ - * \tky03ylcqca784w\"; + * let invoice = \"lnbc100p1psj9jhxdqud3jxktt5w46x7unfv9kz6mn0v3jsnp4q0d3p2sfluzdx45tqcs\\ + * h2pu5qc7lgq0xs578ngs6s0s68ua4h7cvspp5q6rmq35js88zp5dvwrv9m459tnk2zunwj5jalqtyxqulh0l\\ + * 5gflssp5nf55ny5gcrfl30xuhzj3nphgj27rstekmr9fw3ny5989s300gyus9qyysgqcqpcrzjqw2sxwe993\\ + * h5pcm4dxzpvttgza8zhkqxpgffcrf5v25nwpr3cmfg7z54kuqq8rgqqqqqqqq2qqqqq9qq9qrzjqd0ylaqcl\\ + * j9424x9m8h2vcukcgnm6s56xfgu3j78zyqzhgs4hlpzvznlugqq9vsqqqqqqqlgqqqqqeqq9qrzjqwldmj9d\\ + * ha74df76zhx6l9we0vjdquygcdt3kssupehe64g6yyp5yz5rhuqqwccqqyqqqqlgqqqqjcqq9qrzjqf9e58a\\ + * guqr0rcun0ajlvmzq3ek63cw2w282gv3z5uupmuwvgjtq2z55qsqqg6qqqyqqqrtnqqqzq3cqygrzjqvphms\\ + * ywntrrhqjcraumvc4y6r8v4z5v593trte429v4hredj7ms5z52usqq9ngqqqqqqqlgqqqqqqgq9qrzjq2v0v\\ + * p62g49p7569ev48cmulecsxe59lvaw3wlxm7r982zxa9zzj7z5l0cqqxusqqyqqqqlgqqqqqzsqygarl9fh3\\ + * 8s0gyuxjjgux34w75dnc6xp2l35j7es3jd4ugt3lu0xzre26yg5m7ke54n2d5sym4xcmxtl8238xxvw5h5h5\\ + * j5r6drg6k6zcqj0fcwg\"; * * let signed = invoice.parse::().unwrap(); * @@ -19325,10 +22712,8 @@ MUST_USE_RES struct LDKPublicKey Invoice_payee_pub_key(const struct LDKInvoice * /** * Get the payment secret if one was included in the invoice - * - * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ -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 @@ -19347,6 +22732,11 @@ MUST_USE_RES struct LDKPublicKey Invoice_recover_payee_pub_key(const struct LDKI */ 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`]. @@ -19369,9 +22759,9 @@ MUST_USE_RES struct LDKCVec_RouteHintZ Invoice_route_hints(const struct LDKInvoi MUST_USE_RES enum LDKCurrency Invoice_currency(const struct LDKInvoice *NONNULL_PTR this_arg); /** - * Returns the amount if specified in the invoice as pico . + * 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, @@ -19481,6 +22871,11 @@ enum LDKSemanticError SemanticError_no_description(void); */ enum LDKSemanticError SemanticError_multiple_descriptions(void); +/** + * Utility method to constructs a new NoPaymentSecret-variant SemanticError + */ +enum LDKSemanticError SemanticError_no_payment_secret(void); + /** * Utility method to constructs a new MultiplePaymentSecrets-variant SemanticError */ @@ -19501,6 +22896,11 @@ enum LDKSemanticError SemanticError_invalid_recovery_id(void); */ enum LDKSemanticError SemanticError_invalid_signature(void); +/** + * Utility method to constructs a new ImpreciseAmount-variant SemanticError + */ +enum LDKSemanticError SemanticError_imprecise_amount(void); + /** * Checks if two SemanticErrors contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -19543,6 +22943,118 @@ bool SignOrCreationError_eq(const struct LDKSignOrCreationError *NONNULL_PTR a, */ 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 @@ -19552,6 +23064,28 @@ struct LDKStr SignOrCreationError_to_str(const struct LDKSignOrCreationError *NO */ 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 */