X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=blobdiff_plain;f=lightning-c-bindings%2Finclude%2Flightning.h;h=dad0072d6b9fdca33e85da686e981dea81ec7e8b;hp=c6c97b7cadad2da7353c1d9d013ba2432d43ecb1;hb=b187ebbabe60d2ef884c5eadce93fef52674923d;hpb=4e514def04a4aabea8261173311e6c747d4bd133 diff --git a/lightning-c-bindings/include/lightning.h b/lightning-c-bindings/include/lightning.h index c6c97b7..dad0072 100644 --- a/lightning-c-bindings/include/lightning.h +++ b/lightning-c-bindings/include/lightning.h @@ -8,7 +8,7 @@ #include #include #include -#include +#include "ldk_rust_types.h" /** * An error when accessing the chain via [`Access`]. @@ -164,9 +164,13 @@ typedef enum LDKCurrency { */ LDKCurrency_Regtest, /** - * Bitcoin simnet/signet + * Bitcoin simnet */ LDKCurrency_Simnet, + /** + * Bitcoin signet + */ + LDKCurrency_Signet, /** * Must be last for serialization purposes */ @@ -206,29 +210,25 @@ typedef enum LDKIOError { */ typedef enum LDKLevel { /** - *Designates logger being silent - */ - LDKLevel_Off, - /** - * Designates very serious errors + * Designates very low priority, often extremely verbose, information */ - LDKLevel_Error, + LDKLevel_Trace, /** - * Designates hazardous situations + * Designates lower priority information */ - LDKLevel_Warn, + LDKLevel_Debug, /** * Designates useful information */ LDKLevel_Info, /** - * Designates lower priority information + * Designates hazardous situations */ - LDKLevel_Debug, + LDKLevel_Warn, /** - * Designates very low priority, often extremely verbose, information + * Designates very serious errors */ - LDKLevel_Trace, + LDKLevel_Error, /** * Must be last for serialization purposes */ @@ -328,6 +328,11 @@ 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 +349,10 @@ 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 +1049,64 @@ 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 +1250,114 @@ 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 */ @@ -1421,38 +1595,38 @@ typedef struct LDKCVec_ChannelDetailsZ { /** - * A channel descriptor which provides a last-hop route to get_route + * A list of hops along a payment path terminating with a channel to the recipient. */ -typedef struct MUST_USE_STRUCT LDKRouteHintHop { +typedef struct MUST_USE_STRUCT LDKRouteHint { /** * A pointer to the opaque Rust object. * Nearly everywhere, inner must be non-null, however in places where * the Rust equivalent takes an Option, it may be set to null to indicate None. */ - LDKnativeRouteHintHop *inner; + LDKnativeRouteHint *inner; /** * Indicates that this is the only struct which contains the same pointer. * Rust functions which take ownership of an object provided via an argument require * this to be true and invalidate the object pointed to by inner. */ bool is_owned; -} LDKRouteHintHop; +} LDKRouteHint; /** - * A dynamically-allocated array of crate::lightning::routing::router::RouteHintHops of arbitrary size. + * A dynamically-allocated array of crate::lightning::routing::router::RouteHints of arbitrary size. * This corresponds to std::vector in C++ */ -typedef struct LDKCVec_RouteHintHopZ { +typedef struct LDKCVec_RouteHintZ { /** * The elements in the array. * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). */ - struct LDKRouteHintHop *data; + struct LDKRouteHint *data; /** * The number of elements pointed to by `data`. */ uintptr_t datalen; -} LDKCVec_RouteHintHopZ; +} LDKCVec_RouteHintZ; @@ -1683,9 +1857,9 @@ 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_CommitmentTxBroadcasted, + LDKMonitorEvent_CommitmentTxConfirmed, /** * Must be last for serialization purposes */ @@ -1699,7 +1873,7 @@ typedef struct MUST_USE_STRUCT LDKMonitorEvent { struct LDKHTLCUpdate htlc_event; }; struct { - struct LDKOutPoint commitment_tx_broadcasted; + struct LDKOutPoint commitment_tx_confirmed; }; }; } LDKMonitorEvent; @@ -1749,6 +1923,121 @@ 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 +2088,8 @@ 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. */ @@ -2135,26 +2424,6 @@ typedef struct MUST_USE_STRUCT LDKChannelAnnouncement { -/** - * 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; - - - /** * A node_announcement message to be sent or received from a peer */ @@ -2205,6 +2474,11 @@ typedef enum LDKErrorAction_Tag { * The peer did something harmless that we weren't able to process, just log and ignore */ LDKErrorAction_IgnoreError, + /** + * The peer did something harmless that we weren't able to meaningfully process. + * If the error is logged, log it at the given level. + */ + LDKErrorAction_IgnoreAndLog, /** * The peer did something incorrect. Tell them. */ @@ -2218,6 +2492,8 @@ typedef enum LDKErrorAction_Tag { typedef struct LDKErrorAction_LDKDisconnectPeer_Body { /** * An error message which we should make an effort to send before we disconnect. + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKErrorMessage msg; } LDKErrorAction_LDKDisconnectPeer_Body; @@ -2233,90 +2509,28 @@ typedef struct MUST_USE_STRUCT LDKErrorAction { LDKErrorAction_Tag tag; union { LDKErrorAction_LDKDisconnectPeer_Body disconnect_peer; + struct { + enum LDKLevel ignore_and_log; + }; LDKErrorAction_LDKSendErrorMessage_Body send_error_message; }; } 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. + * A query_channel_range message is used to query a peer for channel + * UTXOs in a range of blocks. The recipient of a query makes a best + * effort to reply to the query using one or more reply_channel_range + * messages. */ -typedef enum LDKHTLCFailChannelUpdate_Tag { +typedef struct MUST_USE_STRUCT LDKQueryChannelRange { /** - * We received an error which included a full ChannelUpdate message. + * 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. */ - 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; - - - -/** - * A query_channel_range message is used to query a peer for channel - * UTXOs in a range of blocks. The recipient of a query makes a best - * effort to reply to the query using one or more reply_channel_range - * messages. - */ -typedef struct MUST_USE_STRUCT LDKQueryChannelRange { - /** - * 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. - */ - LDKnativeQueryChannelRange *inner; + LDKnativeQueryChannelRange *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 @@ -2451,14 +2665,15 @@ typedef enum LDKMessageSendEvent_Tag { */ LDKMessageSendEvent_BroadcastChannelUpdate, /** - * Broadcast an error downstream to be handled + * Used to indicate that a channel_update should be sent to a single peer. + * In contrast to [`Self::BroadcastChannelUpdate`], this is used when the channel is a + * private channel and we shouldn't be informing all of our peers of channel parameters. */ - LDKMessageSendEvent_HandleError, + LDKMessageSendEvent_SendChannelUpdate, /** - * 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. + * Broadcast an error downstream to be handled */ - LDKMessageSendEvent_PaymentFailureNetworkUpdate, + LDKMessageSendEvent_HandleError, /** * Query a peer for channels with funding transaction UTXOs in a block range. */ @@ -2625,6 +2840,17 @@ typedef struct LDKMessageSendEvent_LDKBroadcastChannelUpdate_Body { struct LDKChannelUpdate msg; } LDKMessageSendEvent_LDKBroadcastChannelUpdate_Body; +typedef struct LDKMessageSendEvent_LDKSendChannelUpdate_Body { + /** + * The node_id of the node which should receive this message + */ + struct LDKPublicKey node_id; + /** + * The channel_update which should be sent. + */ + struct LDKChannelUpdate msg; +} LDKMessageSendEvent_LDKSendChannelUpdate_Body; + typedef struct LDKMessageSendEvent_LDKHandleError_Body { /** * The node_id of the node which should receive this message @@ -2636,13 +2862,6 @@ 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 @@ -2693,8 +2912,8 @@ typedef struct MUST_USE_STRUCT LDKMessageSendEvent { LDKMessageSendEvent_LDKBroadcastChannelAnnouncement_Body broadcast_channel_announcement; LDKMessageSendEvent_LDKBroadcastNodeAnnouncement_Body broadcast_node_announcement; 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; @@ -3028,6 +3247,37 @@ 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. */ @@ -3108,6 +3358,30 @@ 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 */ @@ -3168,6 +3442,15 @@ 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 */ @@ -3188,8 +3471,18 @@ 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 @@ -3267,7 +3560,7 @@ 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. @@ -3314,21 +3607,16 @@ typedef struct LDKSign { * Implementation of BaseSign for this object. */ struct LDKBaseSign BaseSign; - /** - * Creates a copy of the BaseSign, for a copy of this Sign. - * Because BaseSign doesn't natively support copying itself, you have to provide a full copy implementation here. - */ - struct LDKBaseSign (*BaseSign_clone)(const struct LDKBaseSign *NONNULL_PTR orig_BaseSign); /** * Serialize the object into a byte array */ struct LDKCVec_u8Z (*write)(const void *this_arg); /** - * Creates a copy of the object pointed to by this_arg, for a copy of this Sign. - * Note that the ultimate copy of the Sign will have all function pointers the same as the original. - * May be NULL if no action needs to be taken, the this_arg pointer will be copied into the new Sign. + * Called, if set, after this Sign has been cloned into a duplicate object. + * The new Sign is provided, and should be mutated as needed to perform a + * deep copy of the object pointed to by this_arg or avoid any double-freeing. */ - void *(*clone)(const void *this_arg); + void (*cloned)(struct LDKSign *NONNULL_PTR new_Sign); /** * 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. @@ -3663,6 +3951,33 @@ typedef struct LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ { bool result_ok; } LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ; +/** + * An enum which can either contain a u16 or not + */ +typedef enum LDKCOption_u16Z_Tag { + /** + * When we're in this state, this COption_u16Z contains a u16 + */ + LDKCOption_u16Z_Some, + /** + * When we're in this state, this COption_u16Z contains nothing + */ + LDKCOption_u16Z_None, + /** + * Must be last for serialization purposes + */ + LDKCOption_u16Z_Sentinel, +} LDKCOption_u16Z_Tag; + +typedef struct LDKCOption_u16Z { + LDKCOption_u16Z_Tag tag; + union { + struct { + uint16_t some; + }; + }; +} LDKCOption_u16Z; + /** * Indicates an error on the client's part (usually some variant of attempting to use too-low or * too-high values) @@ -3695,6 +4010,17 @@ 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 */ @@ -3733,6 +4059,13 @@ 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 { @@ -3740,6 +4073,7 @@ 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; @@ -3906,6 +4240,39 @@ typedef struct LDKCResult_NonePaymentSendFailureZ { bool result_ok; } LDKCResult_NonePaymentSendFailureZ; +/** + * The contents of CResult_PaymentHashPaymentSendFailureZ + */ +typedef union LDKCResult_PaymentHashPaymentSendFailureZPtr { + /** + * 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 LDKPaymentSendFailure *err; +} LDKCResult_PaymentHashPaymentSendFailureZPtr; + +/** + * 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. + * `result_ok` indicates the overall state, and the contents are provided via `contents`. + */ +typedef struct LDKCResult_PaymentHashPaymentSendFailureZ { + /** + * The contents of this CResult_PaymentHashPaymentSendFailureZ, accessible via either + * `err` or `result` depending on the state of `result_ok`. + */ + union LDKCResult_PaymentHashPaymentSendFailureZPtr contents; + /** + * Whether this CResult_PaymentHashPaymentSendFailureZ represents a success state. + */ + bool result_ok; +} LDKCResult_PaymentHashPaymentSendFailureZ; + /** * A 4-byte byte array. */ @@ -4247,13 +4614,12 @@ 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! @@ -4532,6 +4898,96 @@ 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; + /** * The contents of CResult_SiPrefixNoneZ */ @@ -4801,36 +5257,36 @@ typedef struct LDKCResult_PayeePubKeyErrorZ { * The encoded route has to be <1024 5bit characters long (<=639 bytes or <=12 hops) * */ -typedef struct MUST_USE_STRUCT LDKRouteHint { +typedef struct MUST_USE_STRUCT LDKPrivateRoute { /** * A pointer to the opaque Rust object. * Nearly everywhere, inner must be non-null, however in places where * the Rust equivalent takes an Option, it may be set to null to indicate None. */ - LDKnativeRouteHint *inner; + LDKnativePrivateRoute *inner; /** * Indicates that this is the only struct which contains the same pointer. * Rust functions which take ownership of an object provided via an argument require * this to be true and invalidate the object pointed to by inner. */ bool is_owned; -} LDKRouteHint; +} LDKPrivateRoute; /** - * A dynamically-allocated array of crate::lightning_invoice::RouteHints of arbitrary size. + * A dynamically-allocated array of crate::lightning_invoice::PrivateRoutes of arbitrary size. * This corresponds to std::vector in C++ */ -typedef struct LDKCVec_RouteHintZ { +typedef struct LDKCVec_PrivateRouteZ { /** * The elements in the array. * If datalen is non-0 this must be a valid, non-NULL pointer allocated by malloc(). */ - struct LDKRouteHint *data; + struct LDKPrivateRoute *data; /** * The number of elements pointed to by `data`. */ uintptr_t datalen; -} LDKCVec_RouteHintZ; +} LDKCVec_PrivateRouteZ; @@ -5071,37 +5527,37 @@ typedef struct LDKCResult_ExpiryTimeCreationErrorZ { } LDKCResult_ExpiryTimeCreationErrorZ; /** - * The contents of CResult_RouteHintCreationErrorZ + * The contents of CResult_PrivateRouteCreationErrorZ */ -typedef union LDKCResult_RouteHintCreationErrorZPtr { +typedef union LDKCResult_PrivateRouteCreationErrorZPtr { /** * A pointer to the contents in the success state. * Reading from this pointer when `result_ok` is not set is undefined. */ - struct LDKRouteHint *result; + struct LDKPrivateRoute *result; /** * A pointer to the contents in the error state. * Reading from this pointer when `result_ok` is set is undefined. */ enum LDKCreationError *err; -} LDKCResult_RouteHintCreationErrorZPtr; +} LDKCResult_PrivateRouteCreationErrorZPtr; /** - * A CResult_RouteHintCreationErrorZ represents the result of a fallible operation, - * containing a crate::lightning_invoice::RouteHint on success and a crate::lightning_invoice::CreationError on failure. + * A CResult_PrivateRouteCreationErrorZ represents the result of a fallible operation, + * containing a crate::lightning_invoice::PrivateRoute on success and a crate::lightning_invoice::CreationError on failure. * `result_ok` indicates the overall state, and the contents are provided via `contents`. */ -typedef struct LDKCResult_RouteHintCreationErrorZ { +typedef struct LDKCResult_PrivateRouteCreationErrorZ { /** - * The contents of this CResult_RouteHintCreationErrorZ, accessible via either + * The contents of this CResult_PrivateRouteCreationErrorZ, accessible via either * `err` or `result` depending on the state of `result_ok`. */ - union LDKCResult_RouteHintCreationErrorZPtr contents; + union LDKCResult_PrivateRouteCreationErrorZPtr contents; /** - * Whether this CResult_RouteHintCreationErrorZ represents a success state. + * Whether this CResult_PrivateRouteCreationErrorZ represents a success state. */ bool result_ok; -} LDKCResult_RouteHintCreationErrorZ; +} LDKCResult_PrivateRouteCreationErrorZ; /** * The contents of CResult_StringErrorZ @@ -5333,56 +5789,214 @@ typedef struct LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZZ { } LDKCVec_C2Tuple_TxidCVec_C2Tuple_u32ScriptZZZZ; /** - * An Event which you should probably take some action in response to. - * - * Note that while Writeable and Readable are implemented for Event, you probably shouldn't use - * them directly as they don't round-trip exactly (for example FundingGenerationReady is never - * written as it makes no sense to respond to it after reconnecting to peers). + * Some information provided on receipt of payment depends on whether the payment received is a + * spontaneous payment or a \"conventional\" lightning payment that's paying an invoice. */ -typedef enum LDKEvent_Tag { +typedef enum LDKPaymentPurpose_Tag { /** - * Used to indicate that the client should generate a funding transaction with the given - * parameters and then call ChannelManager::funding_transaction_generated. - * Generated in ChannelManager message handling. - * Note that *all inputs* in the funding transaction must spend SegWit outputs or your - * counterparty can steal your funds! + * Information for receiving a payment that we generated an invoice for. */ - LDKEvent_FundingGenerationReady, + LDKPaymentPurpose_InvoicePayment, /** - * 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 - * 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 - * automatically failed. + * Because this is a spontaneous payment, the payer generated their own preimage rather than us + * (the payee) providing a preimage. */ - LDKEvent_PaymentReceived, + LDKPaymentPurpose_SpontaneousPayment, /** - * Indicates an outbound payment we made succeeded (ie it made it all the way to its target - * and we got back the payment preimage for it). + * Must be last for serialization purposes */ - LDKEvent_PaymentSent, + LDKPaymentPurpose_Sentinel, +} LDKPaymentPurpose_Tag; + +typedef struct LDKPaymentPurpose_LDKInvoicePayment_Body { /** - * Indicates an outbound payment we made failed. Probably some intermediary node dropped - * something. You may wish to retry with a different route. + * The preimage to the payment_hash, if the payment hash (and secret) were fetched via + * [`ChannelManager::create_inbound_payment`]. If provided, this can be handed directly to + * [`ChannelManager::claim_funds`]. + * + * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment + * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds + * + * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None */ - LDKEvent_PaymentFailed, + struct LDKThirtyTwoBytes payment_preimage; /** - * Used to indicate that ChannelManager::process_pending_htlc_forwards should be called at a + * The \"payment secret\". This authenticates the sender to the recipient, preventing a + * number of deanonymization attacks during the routing process. + * It is provided here for your reference, however its accuracy is enforced directly by + * [`ChannelManager`] using the values you previously provided to + * [`ChannelManager::create_inbound_payment`] or + * [`ChannelManager::create_inbound_payment_for_hash`]. + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager + * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment + * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash + */ + struct LDKThirtyTwoBytes payment_secret; + /** + * This is the `user_payment_id` which was provided to + * [`ChannelManager::create_inbound_payment_for_hash`] or + * [`ChannelManager::create_inbound_payment`]. It has no meaning inside of LDK and is + * simply copied here. It may be used to correlate PaymentReceived events with invoice + * metadata stored elsewhere. + * + * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment + * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash + */ + uint64_t user_payment_id; +} LDKPaymentPurpose_LDKInvoicePayment_Body; + +typedef struct MUST_USE_STRUCT LDKPaymentPurpose { + LDKPaymentPurpose_Tag tag; + union { + LDKPaymentPurpose_LDKInvoicePayment_Body invoice_payment; + struct { + struct LDKThirtyTwoBytes spontaneous_payment; + }; + }; +} 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. + * + * Note that while Writeable and Readable are implemented for Event, you probably shouldn't use + * them directly as they don't round-trip exactly (for example FundingGenerationReady is never + * written as it makes no sense to respond to it after reconnecting to peers). + */ +typedef enum LDKEvent_Tag { + /** + * Used to indicate that the client should generate a funding transaction with the given + * parameters and then call ChannelManager::funding_transaction_generated. + * Generated in ChannelManager message handling. + * Note that *all inputs* in the funding transaction must spend SegWit outputs or your + * counterparty can steal your funds! + */ + 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 + * 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 + * automatically failed. + */ + LDKEvent_PaymentReceived, + /** + * 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_PaymentPathFailed, + /** + * Used to indicate that ChannelManager::process_pending_htlc_forwards should be called at a * time in the future. */ LDKEvent_PendingHTLCsForwardable, /** - * Used to indicate that an output was generated on-chain which you should know how to spend. + * Used to indicate that an output which you should know how to spend was confirmed on chain + * and is now spendable. * Such an output will *not* ever be spent by rust-lightning, and are not at risk of your * counterparty spending them due to some kind of timeout. Thus, you need to store them * somewhere and spend them when you create on-chain transactions. */ LDKEvent_SpendableOutputs, + /** + * This event is generated when a payment has been successfully forwarded through us and a + * forwarding fee earned. + */ + LDKEvent_PaymentForwarded, + /** + * Used to indicate that a channel with the given `channel_id` is in the process of closure. + */ + LDKEvent_ChannelClosed, /** * Must be last for serialization purposes */ @@ -5414,28 +6028,6 @@ typedef struct LDKEvent_LDKPaymentReceived_Body { * The hash for which the preimage should be handed to the ChannelManager. */ struct LDKThirtyTwoBytes payment_hash; - /** - * The preimage to the payment_hash, if the payment hash (and secret) were fetched via - * [`ChannelManager::create_inbound_payment`]. If provided, this can be handed directly to - * [`ChannelManager::claim_funds`]. - * - * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment - * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds - */ - struct LDKThirtyTwoBytes payment_preimage; - /** - * The \"payment secret\". This authenticates the sender to the recipient, preventing a - * number of deanonymization attacks during the routing process. - * It is provided here for your reference, however its accuracy is enforced directly by - * [`ChannelManager`] using the values you previously provided to - * [`ChannelManager::create_inbound_payment`] or - * [`ChannelManager::create_inbound_payment_for_hash`]. - * - * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager - * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment - * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash - */ - struct LDKThirtyTwoBytes payment_secret; /** * 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 @@ -5443,16 +6035,10 @@ typedef struct LDKEvent_LDKPaymentReceived_Body { */ uint64_t amt; /** - * This is the `user_payment_id` which was provided to - * [`ChannelManager::create_inbound_payment_for_hash`] or - * [`ChannelManager::create_inbound_payment`]. It has no meaning inside of LDK and is - * simply copied here. It may be used to correlate PaymentReceived events with invoice - * metadata stored elsewhere. - * - * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment - * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash + * Information for claiming this received payment, based on whether the purpose of the + * payment is to pay an invoice or to send a spontaneous payment. */ - uint64_t user_payment_id; + struct LDKPaymentPurpose purpose; } LDKEvent_LDKPaymentReceived_Body; typedef struct LDKEvent_LDKPaymentSent_Body { @@ -5464,7 +6050,7 @@ typedef struct LDKEvent_LDKPaymentSent_Body { struct LDKThirtyTwoBytes payment_preimage; } LDKEvent_LDKPaymentSent_Body; -typedef struct LDKEvent_LDKPaymentFailed_Body { +typedef struct LDKEvent_LDKPaymentPathFailed_Body { /** * The hash which was given to ChannelManager::send_payment. */ @@ -5475,7 +6061,28 @@ 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; +} LDKEvent_LDKPaymentPathFailed_Body; typedef struct LDKEvent_LDKPendingHTLCsForwardable_Body { /** @@ -5494,15 +6101,53 @@ typedef struct LDKEvent_LDKSpendableOutputs_Body { struct LDKCVec_SpendableOutputDescriptorZ outputs; } LDKEvent_LDKSpendableOutputs_Body; +typedef struct LDKEvent_LDKPaymentForwarded_Body { + /** + * The fee, in milli-satoshis, which was earned as a result of the payment. + * + * Note that if we force-closed the channel over which we forwarded an HTLC while the HTLC + * was pending, the amount the next hop claimed will have been rounded down to the nearest + * whole satoshi. Thus, the fee calculated here may be higher than expected as we still + * claimed the full value in millisatoshis from the source. In this case, + * `claim_from_onchain_tx` will be set. + * + * If the channel which sent us the payment has been force-closed, we will claim the funds + * via an on-chain transaction. In that case we do not yet know the on-chain transaction + * fees which we will spend and will instead set this to `None`. It is possible duplicate + * `PaymentForwarded` events are generated for the same payment iff `fee_earned_msat` is + * `None`. + */ + struct LDKCOption_u64Z fee_earned_msat; + /** + * If this is `true`, the forwarded HTLC was claimed by our counterparty via an on-chain + * transaction. + */ + 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 reason the channel was closed. + */ + struct LDKClosureReason reason; +} LDKEvent_LDKChannelClosed_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; @@ -5598,6 +6243,119 @@ typedef struct LDKCVec_TransactionOutputsZ { uintptr_t datalen; } LDKCVec_TransactionOutputsZ; +/** + * 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 enum LDKBalance_Tag { + /** + * 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. + */ + LDKBalance_ClaimableOnChannelClose, + /** + * The channel has been closed, and the given balance is ours but awaiting confirmations until + * we consider it spendable. + */ + LDKBalance_ClaimableAwaitingConfirmations, + /** + * 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`]. + */ + LDKBalance_ContentiousClaimable, + /** + * 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. + */ + 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 */ @@ -5631,6 +6389,68 @@ typedef struct LDKCResult_C2Tuple_BlockHashChannelMonitorZDecodeErrorZ { 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 */ @@ -5714,38 +6534,6 @@ 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++ @@ -5882,6 +6670,58 @@ typedef struct LDKCResult_boolPeerHandleErrorZ { bool result_ok; } LDKCResult_boolPeerHandleErrorZ; +/** + * 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; + /** @@ -6595,6 +7435,61 @@ 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 */ @@ -7730,6 +8625,115 @@ 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`]: 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 + */ +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 trait indicating an object may generate message send events */ @@ -7765,7 +8769,7 @@ 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. @@ -7895,30 +8899,25 @@ typedef struct MUST_USE_STRUCT LDKUserConfig { bool is_owned; } LDKUserConfig; + + /** - * The `Access` trait defines behavior for accessing chain data and state, such as blocks and - * UTXOs. + * The best known block as identified by its hash and height. */ -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; +typedef struct MUST_USE_STRUCT LDKBestBlock { /** - * 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 + * A pointer to the opaque Rust object. + * Nearly everywhere, inner must be non-null, however in places where + * the Rust equivalent takes an Option, it may be set to null to indicate None. */ - struct LDKCResult_TxOutAccessErrorZ (*get_utxo)(const void *this_arg, const uint8_t (*genesis_hash)[32], uint64_t short_channel_id); + LDKnativeBestBlock *inner; /** - * Frees any resources associated with this object given its this_arg pointer. - * Does not need to free the outer struct containing function pointers and may be NULL is no resources need to be freed. + * 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. */ - void (*free)(void *this_arg); -} LDKAccess; + bool is_owned; +} LDKBestBlock; /** * The `Listen` trait is used to notify when blocks have been connected or disconnected from the @@ -8047,88 +9046,6 @@ typedef struct LDKConfirm { void (*free)(void *this_arg); } 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 - */ -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`]: 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 - */ -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; - /** * `Persist` defines behavior for persisting channel monitors: this could mean * writing once to disk, and/or uploading to one or more backup services. @@ -8272,22 +9189,43 @@ typedef struct MUST_USE_STRUCT LDKChainParameters { /** - * The best known block as identified by its hash and height. + * Information needed for constructing an invoice route hint for this channel. */ -typedef struct MUST_USE_STRUCT LDKBestBlock { +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. */ - LDKnativeBestBlock *inner; + 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; -} LDKBestBlock; +} LDKCounterpartyForwardingInfo; + + + +/** + * Channel parameters which apply to our counterparty. These are split out from [`ChannelDetails`] + * to better separate parameters. + */ +typedef struct MUST_USE_STRUCT LDKChannelCounterparty { + /** + * 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. + */ + LDKnativeChannelCounterparty *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; +} LDKChannelCounterparty; /** * A 3-byte byte array. @@ -8502,10 +9440,6 @@ 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 @@ -8517,6 +9451,8 @@ typedef struct LDKRoutingMessageHandler { * starting at the node *after* the provided publickey and including batch_amount entries * immediately higher (as defined by ::cmp) than starting_point. * If None is provided for starting_point, we start at the first node. + * + * Note that starting_point (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKCVec_NodeAnnouncementZ (*get_next_node_announcements)(const void *this_arg, struct LDKPublicKey starting_point, uint8_t batch_amount); /** @@ -8559,6 +9495,62 @@ 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; + /** @@ -8628,11 +9620,12 @@ typedef struct MUST_USE_STRUCT LDKMessageHandler { * * For efficiency, Clone should be relatively cheap for this type. * - * You probably want to just extend an int and put a file descriptor in a struct and implement - * send_data. Note that if you are using a higher-level net library that may call close() itself, - * be careful to ensure you don't have races whereby you might register a new connection with an - * fd which is the same as a previous one which has yet to be removed via - * PeerManager::socket_disconnected(). + * Two descriptors may compare equal (by [`cmp::Eq`] and [`hash::Hash`]) as long as the original + * has been disconnected, the [`PeerManager`] has been informed of the disconnection (either by it + * having triggered the disconnection or a call to [`PeerManager::socket_disconnected`]), and no + * further calls to the [`PeerManager`] related to the original socket occur. This allows you to + * use a file descriptor for your SocketDescriptor directly, however for simplicity you may wish + * to simply use another value which is guaranteed to be globally unique instead. */ typedef struct LDKSocketDescriptor { /** @@ -8644,25 +9637,27 @@ typedef struct LDKSocketDescriptor { * Attempts to send some data from the given slice to the peer. * * Returns the amount of data which was sent, possibly 0 if the socket has since disconnected. - * Note that in the disconnected case, socket_disconnected must still fire and further write - * attempts may occur until that time. + * Note that in the disconnected case, [`PeerManager::socket_disconnected`] must still be + * called and further write attempts may occur until that time. * - * If the returned size is smaller than data.len(), a write_available event must - * trigger the next time more data can be written. Additionally, until the a send_data event - * completes fully, no further read_events should trigger on the same peer! + * If the returned size is smaller than `data.len()`, a + * [`PeerManager::write_buffer_space_avail`] call must be made the next time more data can be + * written. Additionally, until a `send_data` event completes fully, no further + * [`PeerManager::read_event`] calls should be made for the same peer! Because this is to + * prevent denial-of-service issues, you should not read or buffer any data from the socket + * until then. * - * If a read_event on this descriptor had previously returned true (indicating that read - * events should be paused to prevent DoS in the send buffer), resume_read may be set - * indicating that read events on this descriptor should resume. A resume_read of false does - * *not* imply that further read events should be paused. + * If a [`PeerManager::read_event`] call on this descriptor had previously returned true + * (indicating that read events should be paused to prevent DoS in the send buffer), + * `resume_read` may be set indicating that read events on this descriptor should resume. A + * `resume_read` of false carries no meaning, and should not cause any action. */ uintptr_t (*send_data)(void *this_arg, struct LDKu8slice data, bool resume_read); /** - * Disconnect the socket pointed to by this SocketDescriptor. Once this function returns, no - * more calls to write_buffer_space_avail, read_event or socket_disconnected may be made with - * this descriptor. No socket_disconnected call should be generated as a result of this call, - * though races may occur whereby disconnect_socket is called after a call to - * socket_disconnected but prior to socket_disconnected returning. + * Disconnect the socket pointed to by this SocketDescriptor. + * + * You do *not* need to call [`PeerManager::socket_disconnected`] with this socket after this + * call (doing so is a noop). */ void (*disconnect_socket)(void *this_arg); /** @@ -8675,11 +9670,11 @@ typedef struct LDKSocketDescriptor { */ uint64_t (*hash)(const void *this_arg); /** - * Creates a copy of the object pointed to by this_arg, for a copy of this SocketDescriptor. - * Note that the ultimate copy of the SocketDescriptor will have all function pointers the same as the original. - * May be NULL if no action needs to be taken, the this_arg pointer will be copied into the new SocketDescriptor. + * Called, if set, after this SocketDescriptor has been cloned into a duplicate object. + * The new SocketDescriptor is provided, and should be mutated as needed to perform a + * deep copy of the object pointed to by this_arg or avoid any double-freeing. */ - void *(*clone)(const void *this_arg); + void (*cloned)(struct LDKSocketDescriptor *NONNULL_PTR new_SocketDescriptor); /** * 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. @@ -8690,14 +9685,25 @@ typedef struct LDKSocketDescriptor { /** - * A PeerManager manages a set of peers, described by their SocketDescriptor and marshalls socket - * events into messages which it passes on to its MessageHandlers. + * A PeerManager manages a set of peers, described by their [`SocketDescriptor`] and marshalls + * socket events into messages which it passes on to its [`MessageHandler`]. + * + * Locks are taken internally, so you must never assume that reentrancy from a + * [`SocketDescriptor`] call back into [`PeerManager`] methods will not deadlock. + * + * Calls to [`read_event`] will decode relevant messages and pass them to the + * [`ChannelMessageHandler`], likely doing message processing in-line. Thus, the primary form of + * parallelism in Rust-Lightning is in calls to [`read_event`]. Note, however, that calls to any + * [`PeerManager`] functions related to the same connection must occur only in serial, making new + * calls only after previous ones have returned. * * Rather than using a plain PeerManager, it is preferable to use either a SimpleArcPeerManager * a SimpleRefPeerManager, for conciseness. See their documentation for more details, but * essentially you should default to using a SimpleRefPeerManager, and use a * SimpleArcPeerManager when you require a PeerManager with a static lifetime, such as when * you're using lightning-net-tokio. + * + * [`read_event`]: PeerManager::read_event */ typedef struct MUST_USE_STRUCT LDKPeerManager { /** @@ -8741,24 +9747,42 @@ typedef struct MUST_USE_STRUCT LDKDirectedChannelTransactionParameters { /** - * 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 channel descriptor for a hop along a payment path. + */ +typedef struct MUST_USE_STRUCT LDKRouteHintHop { + /** + * A pointer to the opaque Rust object. + * Nearly everywhere, inner must be non-null, however in places where + * the Rust equivalent takes an Option, it may be set to null to indicate None. + */ + LDKnativeRouteHintHop *inner; + /** + * Indicates that this is the only struct which contains the same pointer. + * Rust functions which take ownership of an object provided via an argument require + * this to be true and invalidate the object pointed to by inner. + */ + bool is_owned; +} LDKRouteHintHop; + + + +/** + * A 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; @@ -8768,6 +9792,9 @@ 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 { /** @@ -8818,20 +9845,29 @@ 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). + * [`ChannelManager`] persistence should be done in the background. + * * Calling [`ChannelManager::timer_tick_occurred`] and [`PeerManager::timer_tick_occurred`] + * at the appropriate intervals. * - * 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. + * 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 { /** @@ -8997,6 +10033,10 @@ extern const uint32_t MIN_FINAL_CLTV_EXPIRY; extern const uintptr_t REVOKEABLE_REDEEMSCRIPT_MAX_LENGTH; +extern const uint64_t DEFAULT_EXPIRY_TIME; + +extern const uint64_t DEFAULT_MIN_FINAL_CLTV_EXPIRY; + extern const uint8_t TAG_PAYMENT_HASH; extern const uint8_t TAG_DESCRIPTION; @@ -9011,7 +10051,7 @@ extern const uint8_t TAG_MIN_FINAL_CLTV_EXPIRY; extern const uint8_t TAG_FALLBACK; -extern const uint8_t TAG_ROUTE; +extern const uint8_t TAG_PRIVATE_ROUTE; extern const uint8_t TAG_PAYMENT_SECRET; @@ -9026,6 +10066,11 @@ struct LDKStr _ldk_c_bindings_get_compiled_version(void); */ void Transaction_free(struct LDKTransaction _res); +/** + * Convenience function for constructing a new TxOut + */ +struct LDKTxOut TxOut_new(struct LDKCVec_u8Z script_pubkey, uint64_t value); + /** * Frees the data pointed to by script_pubkey. */ @@ -9271,6 +10316,21 @@ 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. */ @@ -9328,6 +10388,42 @@ 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. */ @@ -9430,7 +10526,7 @@ void CVec_ChannelDetailsZ_free(struct LDKCVec_ChannelDetailsZ _res); /** * Frees the buffer pointed to by `data` if `datalen` is non-0. */ -void CVec_RouteHintHopZ_free(struct LDKCVec_RouteHintHopZ _res); +void CVec_RouteHintZ_free(struct LDKCVec_RouteHintZ _res); /** * Creates a new CResult_RouteLightningErrorZ in the success state. @@ -9547,6 +10643,27 @@ 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. */ @@ -9680,6 +10797,27 @@ 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. @@ -9888,6 +11026,27 @@ struct LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ CResult_CVec_C2Tu */ void CResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ_free(struct LDKCResult_CVec_C2Tuple_BlockHashChannelMonitorZZErrorZ _res); +/** + * Constructs a new COption_u16Z containing a u16 + */ +struct LDKCOption_u16Z COption_u16Z_some(uint16_t o); + +/** + * Constructs a new COption_u16Z containing nothing + */ +struct LDKCOption_u16Z COption_u16Z_none(void); + +/** + * Frees any resources associated with the u16, if we are in the Some state + */ +void COption_u16Z_free(struct LDKCOption_u16Z _res); + +/** + * Creates a new COption_u16Z which has the same data as `orig` + * but with all dynamically-allocated buffers duplicated in new buffers. + */ +struct LDKCOption_u16Z COption_u16Z_clone(const struct LDKCOption_u16Z *NONNULL_PTR orig); + /** * Creates a new CResult_NoneAPIErrorZ in the success state. */ @@ -9940,6 +11099,27 @@ 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. + */ +struct LDKCResult_PaymentHashPaymentSendFailureZ CResult_PaymentHashPaymentSendFailureZ_ok(struct LDKThirtyTwoBytes o); + +/** + * Creates a new CResult_PaymentHashPaymentSendFailureZ in the error state. + */ +struct LDKCResult_PaymentHashPaymentSendFailureZ CResult_PaymentHashPaymentSendFailureZ_err(struct LDKPaymentSendFailure e); + +/** + * Frees any resources used by the CResult_PaymentHashPaymentSendFailureZ. + */ +void CResult_PaymentHashPaymentSendFailureZ_free(struct LDKCResult_PaymentHashPaymentSendFailureZ _res); + +/** + * Creates a new CResult_PaymentHashPaymentSendFailureZ 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); + /** * Frees the buffer pointed to by `data` if `datalen` is non-0. */ @@ -10054,6 +11234,36 @@ 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_SiPrefixNoneZ in the success state. */ @@ -10157,7 +11367,7 @@ struct LDKCResult_PayeePubKeyErrorZ CResult_PayeePubKeyErrorZ_clone(const struct /** * Frees the buffer pointed to by `data` if `datalen` is non-0. */ -void CVec_RouteHintZ_free(struct LDKCVec_RouteHintZ _res); +void CVec_PrivateRouteZ_free(struct LDKCVec_PrivateRouteZ _res); /** * Creates a new CResult_PositiveTimestampCreationErrorZ in the success state. @@ -10265,25 +11475,25 @@ void CResult_ExpiryTimeCreationErrorZ_free(struct LDKCResult_ExpiryTimeCreationE struct LDKCResult_ExpiryTimeCreationErrorZ CResult_ExpiryTimeCreationErrorZ_clone(const struct LDKCResult_ExpiryTimeCreationErrorZ *NONNULL_PTR orig); /** - * Creates a new CResult_RouteHintCreationErrorZ in the success state. + * Creates a new CResult_PrivateRouteCreationErrorZ in the success state. */ -struct LDKCResult_RouteHintCreationErrorZ CResult_RouteHintCreationErrorZ_ok(struct LDKRouteHint o); +struct LDKCResult_PrivateRouteCreationErrorZ CResult_PrivateRouteCreationErrorZ_ok(struct LDKPrivateRoute o); /** - * Creates a new CResult_RouteHintCreationErrorZ in the error state. + * Creates a new CResult_PrivateRouteCreationErrorZ in the error state. */ -struct LDKCResult_RouteHintCreationErrorZ CResult_RouteHintCreationErrorZ_err(enum LDKCreationError e); +struct LDKCResult_PrivateRouteCreationErrorZ CResult_PrivateRouteCreationErrorZ_err(enum LDKCreationError e); /** - * Frees any resources used by the CResult_RouteHintCreationErrorZ. + * Frees any resources used by the CResult_PrivateRouteCreationErrorZ. */ -void CResult_RouteHintCreationErrorZ_free(struct LDKCResult_RouteHintCreationErrorZ _res); +void CResult_PrivateRouteCreationErrorZ_free(struct LDKCResult_PrivateRouteCreationErrorZ _res); /** - * Creates a new CResult_RouteHintCreationErrorZ which has the same data as `orig` + * Creates a new CResult_PrivateRouteCreationErrorZ which has the same data as `orig` * but with all dynamically-allocated buffers duplicated in new buffers. */ -struct LDKCResult_RouteHintCreationErrorZ CResult_RouteHintCreationErrorZ_clone(const struct LDKCResult_RouteHintCreationErrorZ *NONNULL_PTR orig); +struct LDKCResult_PrivateRouteCreationErrorZ CResult_PrivateRouteCreationErrorZ_clone(const struct LDKCResult_PrivateRouteCreationErrorZ *NONNULL_PTR orig); /** * Creates a new CResult_StringErrorZ in the success state. @@ -10473,6 +11683,11 @@ 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. */ @@ -10488,6 +11703,42 @@ 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. */ @@ -10535,27 +11786,6 @@ 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. */ @@ -10624,6 +11854,21 @@ void CResult_boolPeerHandleErrorZ_free(struct LDKCResult_boolPeerHandleErrorZ _r */ struct LDKCResult_boolPeerHandleErrorZ CResult_boolPeerHandleErrorZ_clone(const struct LDKCResult_boolPeerHandleErrorZ *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. */ @@ -10922,6 +12167,27 @@ 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. */ @@ -11510,6 +12776,91 @@ 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); + +/** + * Frees any resources used by the PaymentPurpose + */ +void PaymentPurpose_free(struct LDKPaymentPurpose this_ptr); + +/** + * Creates a copy of the PaymentPurpose + */ +struct LDKPaymentPurpose PaymentPurpose_clone(const struct LDKPaymentPurpose *NONNULL_PTR orig); + +/** + * Utility method to constructs a new InvoicePayment-variant PaymentPurpose + */ +struct LDKPaymentPurpose PaymentPurpose_invoice_payment(struct LDKThirtyTwoBytes payment_preimage, struct LDKThirtyTwoBytes payment_secret, uint64_t user_payment_id); + +/** + * Utility method to constructs a new SpontaneousPayment-variant PaymentPurpose + */ +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 */ @@ -11520,6 +12871,46 @@ void Event_free(struct LDKEvent this_ptr); */ struct LDKEvent Event_clone(const struct LDKEvent *NONNULL_PTR orig); +/** + * Utility method to constructs a new FundingGenerationReady-variant Event + */ +struct LDKEvent Event_funding_generation_ready(struct LDKThirtyTwoBytes temporary_channel_id, uint64_t channel_value_satoshis, struct LDKCVec_u8Z output_script, uint64_t user_channel_id); + +/** + * Utility method to constructs a new PaymentReceived-variant Event + */ +struct LDKEvent Event_payment_received(struct LDKThirtyTwoBytes payment_hash, uint64_t amt, struct LDKPaymentPurpose purpose); + +/** + * Utility method to constructs a new PaymentSent-variant Event + */ +struct LDKEvent Event_payment_sent(struct LDKThirtyTwoBytes payment_preimage); + +/** + * Utility method to constructs a new PaymentPathFailed-variant Event + */ +struct LDKEvent Event_payment_path_failed(struct LDKThirtyTwoBytes payment_hash, bool rejected_by_dest, struct LDKCOption_NetworkUpdateZ network_update, bool all_paths_failed, struct LDKCVec_RouteHopZ path); + +/** + * Utility method to constructs a new PendingHTLCsForwardable-variant Event + */ +struct LDKEvent Event_pending_htlcs_forwardable(uint64_t time_forwardable); + +/** + * Utility method to constructs a new SpendableOutputs-variant Event + */ +struct LDKEvent Event_spendable_outputs(struct LDKCVec_SpendableOutputDescriptorZ outputs); + +/** + * Utility method to constructs a new PaymentForwarded-variant Event + */ +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, struct LDKClosureReason reason); + /** * Serialize the Event object into a byte array which can be read by Event_read */ @@ -11535,37 +12926,162 @@ void MessageSendEvent_free(struct LDKMessageSendEvent this_ptr); */ struct LDKMessageSendEvent MessageSendEvent_clone(const struct LDKMessageSendEvent *NONNULL_PTR orig); +/** + * Utility method to constructs a new SendAcceptChannel-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_accept_channel(struct LDKPublicKey node_id, struct LDKAcceptChannel msg); + +/** + * Utility method to constructs a new SendOpenChannel-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_open_channel(struct LDKPublicKey node_id, struct LDKOpenChannel msg); + +/** + * Utility method to constructs a new SendFundingCreated-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_funding_created(struct LDKPublicKey node_id, struct LDKFundingCreated msg); + +/** + * Utility method to constructs a new SendFundingSigned-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_funding_signed(struct LDKPublicKey node_id, struct LDKFundingSigned msg); + +/** + * Utility method to constructs a new SendFundingLocked-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_funding_locked(struct LDKPublicKey node_id, struct LDKFundingLocked msg); + +/** + * Utility method to constructs a new SendAnnouncementSignatures-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_announcement_signatures(struct LDKPublicKey node_id, struct LDKAnnouncementSignatures msg); + +/** + * Utility method to constructs a new UpdateHTLCs-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_update_htlcs(struct LDKPublicKey node_id, struct LDKCommitmentUpdate updates); + +/** + * Utility method to constructs a new SendRevokeAndACK-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_revoke_and_ack(struct LDKPublicKey node_id, struct LDKRevokeAndACK msg); + +/** + * Utility method to constructs a new SendClosingSigned-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_closing_signed(struct LDKPublicKey node_id, struct LDKClosingSigned msg); + +/** + * Utility method to constructs a new SendShutdown-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_shutdown(struct LDKPublicKey node_id, struct LDKShutdown msg); + +/** + * Utility method to constructs a new SendChannelReestablish-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_channel_reestablish(struct LDKPublicKey node_id, struct LDKChannelReestablish msg); + +/** + * Utility method to constructs a new BroadcastChannelAnnouncement-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_broadcast_channel_announcement(struct LDKChannelAnnouncement msg, struct LDKChannelUpdate update_msg); + +/** + * Utility method to constructs a new BroadcastNodeAnnouncement-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_broadcast_node_announcement(struct LDKNodeAnnouncement msg); + +/** + * Utility method to constructs a new BroadcastChannelUpdate-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_broadcast_channel_update(struct LDKChannelUpdate msg); + +/** + * Utility method to constructs a new SendChannelUpdate-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_channel_update(struct LDKPublicKey node_id, struct LDKChannelUpdate msg); + +/** + * Utility method to constructs a new HandleError-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_handle_error(struct LDKPublicKey node_id, struct LDKErrorAction action); + +/** + * Utility method to constructs a new SendChannelRangeQuery-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_channel_range_query(struct LDKPublicKey node_id, struct LDKQueryChannelRange msg); + +/** + * Utility method to constructs a new SendShortIdsQuery-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_short_ids_query(struct LDKPublicKey node_id, struct LDKQueryShortChannelIds msg); + +/** + * Utility method to constructs a new SendReplyChannelRange-variant MessageSendEvent + */ +struct LDKMessageSendEvent MessageSendEvent_send_reply_channel_range(struct LDKPublicKey node_id, struct LDKReplyChannelRange msg); + +/** + * Calls the free function if one is set + */ +void MessageSendEventsProvider_free(struct LDKMessageSendEventsProvider this_ptr); + +/** + * Calls the free function if one is set + */ +void EventsProvider_free(struct LDKEventsProvider this_ptr); + /** * Calls the free function if one is set */ -void MessageSendEventsProvider_free(struct LDKMessageSendEventsProvider this_ptr); +void EventHandler_free(struct LDKEventHandler this_ptr); + +/** + * Frees any resources used by the APIError + */ +void APIError_free(struct LDKAPIError this_ptr); + +/** + * Creates a copy of the APIError + */ +struct LDKAPIError APIError_clone(const struct LDKAPIError *NONNULL_PTR orig); + +/** + * Utility method to constructs a new APIMisuseError-variant APIError + */ +struct LDKAPIError APIError_apimisuse_error(struct LDKStr err); + +/** + * Utility method to constructs a new FeeRateTooHigh-variant APIError + */ +struct LDKAPIError APIError_fee_rate_too_high(struct LDKStr err, uint32_t feerate); /** - * Calls the free function if one is set + * Utility method to constructs a new RouteError-variant APIError */ -void EventsProvider_free(struct LDKEventsProvider this_ptr); +struct LDKAPIError APIError_route_error(struct LDKStr err); /** - * Calls the free function if one is set + * Utility method to constructs a new ChannelUnavailable-variant APIError */ -void EventHandler_free(struct LDKEventHandler this_ptr); +struct LDKAPIError APIError_channel_unavailable(struct LDKStr err); /** - * Frees any resources used by the APIError + * Utility method to constructs a new MonitorUpdateFailed-variant APIError */ -void APIError_free(struct LDKAPIError this_ptr); +struct LDKAPIError APIError_monitor_update_failed(void); /** - * Creates a copy of the APIError + * Utility method to constructs a new IncompatibleShutdownScript-variant APIError */ -struct LDKAPIError APIError_clone(const struct LDKAPIError *NONNULL_PTR orig); +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. * Signatures are EC recoverable, meaning that given the message and the signature the PublicKey of the signer can be extracted. */ -struct LDKCResult_StringErrorZ sign(struct LDKu8slice msg, struct LDKSecretKey sk); +struct LDKCResult_StringErrorZ sign(struct LDKu8slice msg, const uint8_t (*sk)[32]); /** * Recovers the PublicKey of the signer of the message given the message and the signature. @@ -11583,6 +13099,31 @@ bool verify(struct LDKu8slice msg, struct LDKStr sig, struct LDKPublicKey pk); */ enum LDKLevel Level_clone(const enum LDKLevel *NONNULL_PTR orig); +/** + * Utility method to constructs a new Trace-variant Level + */ +enum LDKLevel Level_trace(void); + +/** + * Utility method to constructs a new Debug-variant Level + */ +enum LDKLevel Level_debug(void); + +/** + * Utility method to constructs a new Info-variant Level + */ +enum LDKLevel Level_info(void); + +/** + * Utility method to constructs a new Warn-variant Level + */ +enum LDKLevel Level_warn(void); + +/** + * Utility method to constructs a new Error-variant Level + */ +enum LDKLevel Level_error(void); + /** * Checks if two Levels contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -11810,20 +13351,26 @@ uint32_t ChannelHandshakeLimits_get_max_minimum_depth(const struct LDKChannelHan void ChannelHandshakeLimits_set_max_minimum_depth(struct LDKChannelHandshakeLimits *NONNULL_PTR this_ptr, uint32_t val); /** - * Set to force the incoming channel to match our announced channel preference in - * ChannelConfig. + * Set to force an incoming channel to match our announced channel preference in + * [`ChannelConfig::announced_channel`]. * - * Default value: true, to make the default that no announced channels are possible (which is - * appropriate for any nodes which are not online very reliably). + * For a node which is not online reliably, this should be set to true and + * [`ChannelConfig::announced_channel`] set to false, ensuring that no announced (aka public) + * channels will ever be opened. + * + * Default value: true. */ bool ChannelHandshakeLimits_get_force_announced_channel_preference(const struct LDKChannelHandshakeLimits *NONNULL_PTR this_ptr); /** - * Set to force the incoming channel to match our announced channel preference in - * ChannelConfig. + * Set to force an incoming channel to match our announced channel preference in + * [`ChannelConfig::announced_channel`]. * - * Default value: true, to make the default that no announced channels are possible (which is - * appropriate for any nodes which are not online very reliably). + * For a node which is not online reliably, this should be set to true and + * [`ChannelConfig::announced_channel`] set to false, ensuring that no announced (aka public) + * channels will ever be opened. + * + * Default value: true. */ void ChannelHandshakeLimits_set_force_announced_channel_preference(struct LDKChannelHandshakeLimits *NONNULL_PTR this_ptr, bool val); @@ -11870,22 +13417,56 @@ MUST_USE_RES struct LDKChannelHandshakeLimits ChannelHandshakeLimits_default(voi void ChannelConfig_free(struct LDKChannelConfig this_obj); /** - * Amount (in millionths of a satoshi) the channel will charge per transferred satoshi. + * Amount (in millionths of a satoshi) charged per satoshi for payments forwarded outbound + * over the channel. * This may be allowed to change at runtime in a later update, however doing so must result in * update messages sent to notify all nodes of our updated relay fee. * * Default value: 0. */ -uint32_t ChannelConfig_get_fee_proportional_millionths(const struct LDKChannelConfig *NONNULL_PTR this_ptr); +uint32_t ChannelConfig_get_forwarding_fee_proportional_millionths(const struct LDKChannelConfig *NONNULL_PTR this_ptr); /** - * Amount (in millionths of a satoshi) the channel will charge per transferred satoshi. + * Amount (in millionths of a satoshi) charged per satoshi for payments forwarded outbound + * over the channel. * This may be allowed to change at runtime in a later update, however doing so must result in * update messages sent to notify all nodes of our updated relay fee. * * Default value: 0. */ -void ChannelConfig_set_fee_proportional_millionths(struct LDKChannelConfig *NONNULL_PTR this_ptr, uint32_t val); +void ChannelConfig_set_forwarding_fee_proportional_millionths(struct LDKChannelConfig *NONNULL_PTR this_ptr, uint32_t val); + +/** + * Amount (in milli-satoshi) charged for payments forwarded outbound over the channel, in + * excess of [`forwarding_fee_proportional_millionths`]. + * This may be allowed to change at runtime in a later update, however doing so must result in + * update messages sent to notify all nodes of our updated relay fee. + * + * The default value of a single satoshi roughly matches the market rate on many routing nodes + * as of July 2021. Adjusting it upwards or downwards may change whether nodes route through + * this node. + * + * Default value: 1000. + * + * [`forwarding_fee_proportional_millionths`]: ChannelConfig::forwarding_fee_proportional_millionths + */ +uint32_t ChannelConfig_get_forwarding_fee_base_msat(const struct LDKChannelConfig *NONNULL_PTR this_ptr); + +/** + * Amount (in milli-satoshi) charged for payments forwarded outbound over the channel, in + * excess of [`forwarding_fee_proportional_millionths`]. + * This may be allowed to change at runtime in a later update, however doing so must result in + * update messages sent to notify all nodes of our updated relay fee. + * + * The default value of a single satoshi roughly matches the market rate on many routing nodes + * as of July 2021. Adjusting it upwards or downwards may change whether nodes route through + * this node. + * + * Default value: 1000. + * + * [`forwarding_fee_proportional_millionths`]: ChannelConfig::forwarding_fee_proportional_millionths + */ +void ChannelConfig_set_forwarding_fee_base_msat(struct LDKChannelConfig *NONNULL_PTR this_ptr, uint32_t val); /** * The difference in the CLTV value between incoming HTLCs and an outbound HTLC forwarded over @@ -11940,7 +13521,7 @@ void ChannelConfig_set_cltv_expiry_delta(struct LDKChannelConfig *NONNULL_PTR th * This should only be set to true for nodes which expect to be online reliably. * * As the node which funds a channel picks this value this will only apply for new outbound - * channels unless ChannelHandshakeLimits::force_announced_channel_preferences is set. + * channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set. * * This cannot be changed after the initial channel handshake. * @@ -11955,7 +13536,7 @@ bool ChannelConfig_get_announced_channel(const struct LDKChannelConfig *NONNULL_ * This should only be set to true for nodes which expect to be online reliably. * * As the node which funds a channel picks this value this will only apply for new outbound - * channels unless ChannelHandshakeLimits::force_announced_channel_preferences is set. + * channels unless [`ChannelHandshakeLimits::force_announced_channel_preference`] is set. * * This cannot be changed after the initial channel handshake. * @@ -11993,10 +13574,100 @@ 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 fee_proportional_millionths_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 @@ -12053,10 +13724,50 @@ struct LDKChannelConfig UserConfig_get_channel_options(const struct LDKUserConfi */ void UserConfig_set_channel_options(struct LDKUserConfig *NONNULL_PTR this_ptr, struct LDKChannelConfig val); +/** + * If this is set to false, we will reject any HTLCs which were to be forwarded over private + * channels. This prevents us from taking on HTLC-forwarding risk when we intend to run as a + * node which is not online reliably. + * + * For nodes which are not online reliably, you should set all channels to *not* be announced + * (using [`ChannelConfig::announced_channel`] and + * [`ChannelHandshakeLimits::force_announced_channel_preference`]) and set this to false to + * ensure you are not exposed to any forwarding risk. + * + * Note that because you cannot change a channel's announced state after creation, there is no + * way to disable forwarding on public channels retroactively. Thus, in order to change a node + * from a publicly-announced forwarding node to a private non-forwarding node you must close + * all your channels and open new ones. For privacy, you should also change your node_id + * (swapping all private and public key material for new ones) at that time. + * + * Default value: false. + */ +bool UserConfig_get_accept_forwards_to_priv_channels(const struct LDKUserConfig *NONNULL_PTR this_ptr); + +/** + * If this is set to false, we will reject any HTLCs which were to be forwarded over private + * channels. This prevents us from taking on HTLC-forwarding risk when we intend to run as a + * node which is not online reliably. + * + * For nodes which are not online reliably, you should set all channels to *not* be announced + * (using [`ChannelConfig::announced_channel`] and + * [`ChannelHandshakeLimits::force_announced_channel_preference`]) and set this to false to + * ensure you are not exposed to any forwarding risk. + * + * Note that because you cannot change a channel's announced state after creation, there is no + * way to disable forwarding on public channels retroactively. Thus, in order to change a node + * from a publicly-announced forwarding node to a private non-forwarding node you must close + * all your channels and open new ones. For privacy, you should also change your node_id + * (swapping all private and public key material for new ones) at that time. + * + * Default value: false. + */ +void UserConfig_set_accept_forwards_to_priv_channels(struct LDKUserConfig *NONNULL_PTR this_ptr, bool val); + /** * Constructs a new UserConfig given each field */ -MUST_USE_RES struct LDKUserConfig UserConfig_new(struct LDKChannelHandshakeConfig own_channel_config_arg, struct LDKChannelHandshakeLimits peer_channel_config_limits_arg, struct LDKChannelConfig channel_options_arg); +MUST_USE_RES struct LDKUserConfig UserConfig_new(struct LDKChannelHandshakeConfig own_channel_config_arg, struct LDKChannelHandshakeLimits peer_channel_config_limits_arg, struct LDKChannelConfig channel_options_arg, bool accept_forwards_to_priv_channels_arg); /** * Creates a copy of the UserConfig @@ -12068,11 +13779,52 @@ struct LDKUserConfig UserConfig_clone(const struct LDKUserConfig *NONNULL_PTR or */ MUST_USE_RES struct LDKUserConfig UserConfig_default(void); +/** + * Frees any resources used by the BestBlock, if is_owned is set and inner is non-NULL. + */ +void BestBlock_free(struct LDKBestBlock this_obj); + +/** + * Creates a copy of the BestBlock + */ +struct LDKBestBlock BestBlock_clone(const struct LDKBestBlock *NONNULL_PTR orig); + +/** + * Constructs a `BestBlock` that represents the genesis block at height 0 of the given + * network. + */ +MUST_USE_RES struct LDKBestBlock BestBlock_from_genesis(enum LDKNetwork network); + +/** + * Returns a `BestBlock` as identified by the given block hash and height. + */ +MUST_USE_RES struct LDKBestBlock BestBlock_new(struct LDKThirtyTwoBytes block_hash, uint32_t height); + +/** + * Returns the best block hash. + */ +MUST_USE_RES struct LDKThirtyTwoBytes BestBlock_block_hash(const struct LDKBestBlock *NONNULL_PTR this_arg); + +/** + * Returns the best block height. + */ +MUST_USE_RES uint32_t BestBlock_height(const struct LDKBestBlock *NONNULL_PTR this_arg); + /** * Creates a copy of the AccessError */ enum LDKAccessError AccessError_clone(const enum LDKAccessError *NONNULL_PTR orig); +/** + * Utility method to constructs a new UnknownChain-variant AccessError + */ +enum LDKAccessError AccessError_unknown_chain(void); + +/** + * Utility method to constructs a new UnknownTx-variant AccessError + */ +enum LDKAccessError AccessError_unknown_tx(void); + /** * Calls the free function if one is set */ @@ -12105,11 +13857,15 @@ void WatchedOutput_free(struct LDKWatchedOutput this_obj); /** * First block where the transaction output may have been spent. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKThirtyTwoBytes WatchedOutput_get_block_hash(const struct LDKWatchedOutput *NONNULL_PTR this_ptr); /** * First block where the transaction output may have been spent. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void WatchedOutput_set_block_hash(struct LDKWatchedOutput *NONNULL_PTR this_ptr, struct LDKThirtyTwoBytes val); @@ -12138,6 +13894,16 @@ void WatchedOutput_set_script_pubkey(struct LDKWatchedOutput *NONNULL_PTR this_p */ MUST_USE_RES struct LDKWatchedOutput WatchedOutput_new(struct LDKThirtyTwoBytes block_hash_arg, struct LDKOutPoint outpoint_arg, struct LDKCVec_u8Z script_pubkey_arg); +/** + * Creates a copy of the WatchedOutput + */ +struct LDKWatchedOutput WatchedOutput_clone(const struct LDKWatchedOutput *NONNULL_PTR orig); + +/** + * Checks if two WatchedOutputs contain equal inner contents. + */ +uint64_t WatchedOutput_hash(const struct LDKWatchedOutput *NONNULL_PTR o); + /** * Calls the free function if one is set */ @@ -12148,6 +13914,27 @@ void BroadcasterInterface_free(struct LDKBroadcasterInterface this_ptr); */ enum LDKConfirmationTarget ConfirmationTarget_clone(const enum LDKConfirmationTarget *NONNULL_PTR orig); +/** + * Utility method to constructs a new Background-variant ConfirmationTarget + */ +enum LDKConfirmationTarget ConfirmationTarget_background(void); + +/** + * Utility method to constructs a new Normal-variant ConfirmationTarget + */ +enum LDKConfirmationTarget ConfirmationTarget_normal(void); + +/** + * Utility method to constructs a new HighPriority-variant ConfirmationTarget + */ +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 */ @@ -12167,7 +13954,20 @@ void ChainMonitor_free(struct LDKChainMonitor this_obj); * 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 LDKFilter *chain_source, struct LDKBroadcasterInterface broadcaster, struct LDKLogger logger, struct LDKFeeEstimator feeest, struct LDKPersist persister); +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); /** * Constructs a new Listen which calls the relevant methods on this_arg. @@ -12248,6 +14048,16 @@ struct LDKCResult_ChannelMonitorUpdateDecodeErrorZ ChannelMonitorUpdate_read(str */ 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); + /** * Frees any resources used by the MonitorUpdateError, if is_owned is set and inner is non-NULL. */ @@ -12268,6 +14078,16 @@ void MonitorEvent_free(struct LDKMonitorEvent this_ptr); */ struct LDKMonitorEvent MonitorEvent_clone(const struct LDKMonitorEvent *NONNULL_PTR orig); +/** + * Utility method to constructs a new HTLCEvent-variant MonitorEvent + */ +struct LDKMonitorEvent MonitorEvent_htlcevent(struct LDKHTLCUpdate a); + +/** + * Utility method to constructs a new CommitmentTxConfirmed-variant MonitorEvent + */ +struct LDKMonitorEvent MonitorEvent_commitment_tx_confirmed(struct LDKOutPoint a); + /** * Frees any resources used by the HTLCUpdate, if is_owned is set and inner is non-NULL. */ @@ -12288,6 +14108,42 @@ 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. */ @@ -12417,6 +14273,30 @@ MUST_USE_RES struct LDKCVec_TransactionOutputsZ ChannelMonitor_best_block_update */ MUST_USE_RES struct LDKCVec_TxidZ ChannelMonitor_get_relevant_txids(const struct LDKChannelMonitor *NONNULL_PTR this_arg); +/** + * Gets the latest best block which was connected either via the [`chain::Listen`] or + * [`chain::Confirm`] interfaces. + */ +MUST_USE_RES struct LDKBestBlock ChannelMonitor_current_best_block(const struct LDKChannelMonitor *NONNULL_PTR this_arg); + +/** + * 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. + */ +MUST_USE_RES struct LDKCVec_BalanceZ ChannelMonitor_get_claimable_balances(const struct LDKChannelMonitor *NONNULL_PTR this_arg); + /** * Calls the free function if one is set */ @@ -12661,6 +14541,21 @@ void SpendableOutputDescriptor_free(struct LDKSpendableOutputDescriptor this_ptr */ struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_clone(const struct LDKSpendableOutputDescriptor *NONNULL_PTR orig); +/** + * Utility method to constructs a new StaticOutput-variant SpendableOutputDescriptor + */ +struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_static_output(struct LDKOutPoint outpoint, struct LDKTxOut output); + +/** + * Utility method to constructs a new DelayedPaymentOutput-variant SpendableOutputDescriptor + */ +struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_delayed_payment_output(struct LDKDelayedPaymentOutputDescriptor a); + +/** + * Utility method to constructs a new StaticPaymentOutput-variant SpendableOutputDescriptor + */ +struct LDKSpendableOutputDescriptor SpendableOutputDescriptor_static_payment_output(struct LDKStaticPaymentOutputDescriptor a); + /** * Serialize the SpendableOutputDescriptor object into a byte array which can be read by SpendableOutputDescriptor_read */ @@ -12899,82 +14794,183 @@ MUST_USE_RES struct LDKInMemorySigner KeysManager_derive_channel_keys(const stru * May panic if the `SpendableOutputDescriptor`s were not generated by Channels which used * this KeysManager or one of the `InMemorySigner` created by this KeysManager. */ -MUST_USE_RES struct LDKCResult_TransactionNoneZ KeysManager_spend_spendable_outputs(const struct LDKKeysManager *NONNULL_PTR this_arg, struct LDKCVec_SpendableOutputDescriptorZ descriptors, struct LDKCVec_TxOutZ outputs, struct LDKCVec_u8Z change_destination_script, uint32_t feerate_sat_per_1000_weight); +MUST_USE_RES struct LDKCResult_TransactionNoneZ KeysManager_spend_spendable_outputs(const struct LDKKeysManager *NONNULL_PTR this_arg, struct LDKCVec_SpendableOutputDescriptorZ descriptors, struct LDKCVec_TxOutZ outputs, struct LDKCVec_u8Z change_destination_script, uint32_t feerate_sat_per_1000_weight); + +/** + * Constructs a new KeysInterface which calls the relevant methods on this_arg. + * This copies the `inner` pointer in this_arg and thus the returned KeysInterface must be freed before this_arg is + */ +struct LDKKeysInterface KeysManager_as_KeysInterface(const struct LDKKeysManager *NONNULL_PTR this_arg); + +/** + * Frees any resources used by the ChannelManager, if is_owned is set and inner is non-NULL. + */ +void ChannelManager_free(struct LDKChannelManager this_obj); + +/** + * Frees any resources used by the ChainParameters, if is_owned is set and inner is non-NULL. + */ +void ChainParameters_free(struct LDKChainParameters this_obj); + +/** + * The network for determining the `chain_hash` in Lightning messages. + */ +enum LDKNetwork ChainParameters_get_network(const struct LDKChainParameters *NONNULL_PTR this_ptr); + +/** + * The network for determining the `chain_hash` in Lightning messages. + */ +void ChainParameters_set_network(struct LDKChainParameters *NONNULL_PTR this_ptr, enum LDKNetwork val); + +/** + * The hash and height of the latest block successfully connected. + * + * Used to track on-chain channel funding outputs and send payments with reliable timelocks. + */ +struct LDKBestBlock ChainParameters_get_best_block(const struct LDKChainParameters *NONNULL_PTR this_ptr); + +/** + * The hash and height of the latest block successfully connected. + * + * Used to track on-chain channel funding outputs and send payments with reliable timelocks. + */ +void ChainParameters_set_best_block(struct LDKChainParameters *NONNULL_PTR this_ptr, struct LDKBestBlock val); + +/** + * Constructs a new ChainParameters given each field + */ +MUST_USE_RES struct LDKChainParameters ChainParameters_new(enum LDKNetwork network_arg, struct LDKBestBlock best_block_arg); + +/** + * Creates a copy of the ChainParameters + */ +struct LDKChainParameters ChainParameters_clone(const struct LDKChainParameters *NONNULL_PTR orig); + +/** + * Frees any resources used by the CounterpartyForwardingInfo, if is_owned is set and inner is non-NULL. + */ +void CounterpartyForwardingInfo_free(struct LDKCounterpartyForwardingInfo this_obj); + +/** + * Base routing fee in millisatoshis. + */ +uint32_t CounterpartyForwardingInfo_get_fee_base_msat(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr); + +/** + * Base routing fee in millisatoshis. + */ +void CounterpartyForwardingInfo_set_fee_base_msat(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint32_t val); /** - * Constructs a new KeysInterface which calls the relevant methods on this_arg. - * This copies the `inner` pointer in this_arg and thus the returned KeysInterface must be freed before this_arg is + * Amount in millionths of a satoshi the channel will charge per transferred satoshi. */ -struct LDKKeysInterface KeysManager_as_KeysInterface(const struct LDKKeysManager *NONNULL_PTR this_arg); +uint32_t CounterpartyForwardingInfo_get_fee_proportional_millionths(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr); /** - * Frees any resources used by the ChannelManager, if is_owned is set and inner is non-NULL. + * Amount in millionths of a satoshi the channel will charge per transferred satoshi. */ -void ChannelManager_free(struct LDKChannelManager this_obj); +void CounterpartyForwardingInfo_set_fee_proportional_millionths(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint32_t val); /** - * Frees any resources used by the ChainParameters, if is_owned is set and inner is non-NULL. + * 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 ChainParameters_free(struct LDKChainParameters this_obj); +uint16_t CounterpartyForwardingInfo_get_cltv_expiry_delta(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr); /** - * The network for determining the `chain_hash` in Lightning messages. + * 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. */ -enum LDKNetwork ChainParameters_get_network(const struct LDKChainParameters *NONNULL_PTR this_ptr); +void CounterpartyForwardingInfo_set_cltv_expiry_delta(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint16_t val); /** - * The network for determining the `chain_hash` in Lightning messages. + * Constructs a new CounterpartyForwardingInfo given each field */ -void ChainParameters_set_network(struct LDKChainParameters *NONNULL_PTR this_ptr, enum LDKNetwork val); +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); /** - * The hash and height of the latest block successfully connected. - * - * Used to track on-chain channel funding outputs and send payments with reliable timelocks. + * Creates a copy of the CounterpartyForwardingInfo */ -struct LDKBestBlock ChainParameters_get_best_block(const struct LDKChainParameters *NONNULL_PTR this_ptr); +struct LDKCounterpartyForwardingInfo CounterpartyForwardingInfo_clone(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR orig); /** - * The hash and height of the latest block successfully connected. - * - * Used to track on-chain channel funding outputs and send payments with reliable timelocks. + * Frees any resources used by the ChannelCounterparty, if is_owned is set and inner is non-NULL. */ -void ChainParameters_set_best_block(struct LDKChainParameters *NONNULL_PTR this_ptr, struct LDKBestBlock val); +void ChannelCounterparty_free(struct LDKChannelCounterparty this_obj); /** - * Constructs a new ChainParameters given each field + * The node_id of our counterparty */ -MUST_USE_RES struct LDKChainParameters ChainParameters_new(enum LDKNetwork network_arg, struct LDKBestBlock best_block_arg); +struct LDKPublicKey ChannelCounterparty_get_node_id(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); /** - * Frees any resources used by the BestBlock, if is_owned is set and inner is non-NULL. + * The node_id of our counterparty */ -void BestBlock_free(struct LDKBestBlock this_obj); +void ChannelCounterparty_set_node_id(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKPublicKey val); /** - * Creates a copy of the BestBlock + * 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 LDKBestBlock BestBlock_clone(const struct LDKBestBlock *NONNULL_PTR orig); +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); /** - * Returns the best block from the genesis of the given network. + * 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 */ -MUST_USE_RES struct LDKBestBlock BestBlock_from_genesis(enum LDKNetwork network); +uint64_t ChannelCounterparty_get_unspendable_punishment_reserve(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); /** - * Returns the best block as identified by the given block hash and height. + * 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 */ -MUST_USE_RES struct LDKBestBlock BestBlock_new(struct LDKThirtyTwoBytes block_hash, uint32_t height); +void ChannelCounterparty_set_unspendable_punishment_reserve(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, uint64_t val); /** - * Returns the best block hash. + * 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 */ -MUST_USE_RES struct LDKThirtyTwoBytes BestBlock_block_hash(const struct LDKBestBlock *NONNULL_PTR this_arg); +struct LDKCounterpartyForwardingInfo ChannelCounterparty_get_forwarding_info(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr); /** - * Returns the best block height. + * 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 */ -MUST_USE_RES uint32_t BestBlock_height(const struct LDKBestBlock *NONNULL_PTR this_arg); +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 + */ +struct LDKChannelCounterparty ChannelCounterparty_clone(const struct LDKChannelCounterparty *NONNULL_PTR orig); /** * Frees any resources used by the ChannelDetails, if is_owned is set and inner is non-NULL. @@ -12997,12 +14993,24 @@ const uint8_t (*ChannelDetails_get_channel_id(const struct LDKChannelDetails *NO */ void ChannelDetails_set_channel_id(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKThirtyTwoBytes val); +/** + * Parameters which apply to our counterparty. See individual fields for more information. + */ +struct LDKChannelCounterparty ChannelDetails_get_counterparty(const struct LDKChannelDetails *NONNULL_PTR this_ptr); + +/** + * Parameters which apply to our counterparty. See individual fields for more information. + */ +void ChannelDetails_set_counterparty(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKChannelCounterparty val); + /** * The Channel's funding transaction output, if we've negotiated the funding transaction with * our counterparty already. * * Note that, if this has been set, `channel_id` will be equivalent to * `funding_txo.unwrap().to_channel_id()`. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKOutPoint ChannelDetails_get_funding_txo(const struct LDKChannelDetails *NONNULL_PTR this_ptr); @@ -13012,6 +15020,8 @@ struct LDKOutPoint ChannelDetails_get_funding_txo(const struct LDKChannelDetails * * Note that, if this has been set, `channel_id` will be equivalent to * `funding_txo.unwrap().to_channel_id()`. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void ChannelDetails_set_funding_txo(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKOutPoint val); @@ -13028,38 +15038,40 @@ struct LDKCOption_u64Z ChannelDetails_get_short_channel_id(const struct LDKChann void ChannelDetails_set_short_channel_id(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKCOption_u64Z val); /** - * The node_id of our counterparty - */ -struct LDKPublicKey ChannelDetails_get_remote_network_id(const struct LDKChannelDetails *NONNULL_PTR this_ptr); - -/** - * The node_id of our counterparty - */ -void ChannelDetails_set_remote_network_id(struct LDKChannelDetails *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. + * The value, in satoshis, of this channel as appears in the funding output */ -struct LDKInitFeatures ChannelDetails_get_counterparty_features(const struct LDKChannelDetails *NONNULL_PTR this_ptr); +uint64_t ChannelDetails_get_channel_value_satoshis(const struct LDKChannelDetails *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. + * The value, in satoshis, of this channel as appears in the funding output */ -void ChannelDetails_set_counterparty_features(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKInitFeatures val); +void ChannelDetails_set_channel_value_satoshis(struct LDKChannelDetails *NONNULL_PTR this_ptr, uint64_t val); /** - * The value, in satoshis, of this channel as appears in the funding output + * The value, in satoshis, that must always be held in the channel for us. This value ensures + * that if we broadcast a revoked state, our counterparty can punish us by claiming at least + * this value on chain. + * + * This value is not included in [`outbound_capacity_msat`] as it can never be spent. + * + * This value will be `None` for outbound channels until the counterparty accepts the channel. + * + * [`outbound_capacity_msat`]: ChannelDetails::outbound_capacity_msat */ -uint64_t ChannelDetails_get_channel_value_satoshis(const struct LDKChannelDetails *NONNULL_PTR this_ptr); +struct LDKCOption_u64Z ChannelDetails_get_unspendable_punishment_reserve(const struct LDKChannelDetails *NONNULL_PTR this_ptr); /** - * The value, in satoshis, of this channel as appears in the funding output + * The value, in satoshis, that must always be held in the channel for us. This value ensures + * that if we broadcast a revoked state, our counterparty can punish us by claiming at least + * this value on chain. + * + * This value is not included in [`outbound_capacity_msat`] as it can never be spent. + * + * This value will be `None` for outbound channels until the counterparty accepts the channel. + * + * [`outbound_capacity_msat`]: ChannelDetails::outbound_capacity_msat */ -void ChannelDetails_set_channel_value_satoshis(struct LDKChannelDetails *NONNULL_PTR this_ptr, uint64_t val); +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. @@ -13076,6 +15088,10 @@ void ChannelDetails_set_user_id(struct LDKChannelDetails *NONNULL_PTR this_ptr, * any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not * available for inclusion in new outbound HTLCs). This further does not include any pending * outgoing HTLCs which are awaiting some other resolution to be sent. + * + * This value is not exact. Due to various in-flight changes, feerate changes, and our + * conflict-avoidance policy, exactly this amount is not likely to be spendable. However, we + * should be able to spend nearly this amount. */ uint64_t ChannelDetails_get_outbound_capacity_msat(const struct LDKChannelDetails *NONNULL_PTR this_ptr); @@ -13084,6 +15100,10 @@ uint64_t ChannelDetails_get_outbound_capacity_msat(const struct LDKChannelDetail * any pending HTLCs which are not yet fully resolved (and, thus, who's balance is not * available for inclusion in new outbound HTLCs). This further does not include any pending * outgoing HTLCs which are awaiting some other resolution to be sent. + * + * This value is not exact. Due to various in-flight changes, feerate changes, and our + * conflict-avoidance policy, exactly this amount is not likely to be spendable. However, we + * should be able to spend nearly this amount. */ void ChannelDetails_set_outbound_capacity_msat(struct LDKChannelDetails *NONNULL_PTR this_ptr, uint64_t val); @@ -13093,6 +15113,10 @@ void ChannelDetails_set_outbound_capacity_msat(struct LDKChannelDetails *NONNULL * available for inclusion in new inbound HTLCs). * Note that there are some corner cases not fully handled here, so the actual available * inbound capacity may be slightly higher than this. + * + * This value is not exact. Due to various in-flight changes, feerate changes, and our + * counterparty's conflict-avoidance policy, exactly this amount is not likely to be spendable. + * However, our counterparty should be able to spend nearly this amount. */ uint64_t ChannelDetails_get_inbound_capacity_msat(const struct LDKChannelDetails *NONNULL_PTR this_ptr); @@ -13102,9 +15126,65 @@ uint64_t ChannelDetails_get_inbound_capacity_msat(const struct LDKChannelDetails * available for inclusion in new inbound HTLCs). * Note that there are some corner cases not fully handled here, so the actual available * inbound capacity may be slightly higher than this. + * + * This value is not exact. Due to various in-flight changes, feerate changes, and our + * counterparty's conflict-avoidance policy, exactly this amount is not likely to be spendable. + * However, our counterparty should be able to spend nearly this amount. */ void ChannelDetails_set_inbound_capacity_msat(struct LDKChannelDetails *NONNULL_PTR this_ptr, uint64_t val); +/** + * The number of required confirmations on the funding transaction before the funding will be + * considered \"locked\". This number is selected by the channel fundee (i.e. us if + * [`is_outbound`] is *not* set), and can be selected for inbound channels with + * [`ChannelHandshakeConfig::minimum_depth`] or limited for outbound channels with + * [`ChannelHandshakeLimits::max_minimum_depth`]. + * + * This value will be `None` for outbound channels until the counterparty accepts the channel. + * + * [`is_outbound`]: ChannelDetails::is_outbound + * [`ChannelHandshakeConfig::minimum_depth`]: crate::util::config::ChannelHandshakeConfig::minimum_depth + * [`ChannelHandshakeLimits::max_minimum_depth`]: crate::util::config::ChannelHandshakeLimits::max_minimum_depth + */ +struct LDKCOption_u32Z ChannelDetails_get_confirmations_required(const struct LDKChannelDetails *NONNULL_PTR this_ptr); + +/** + * The number of required confirmations on the funding transaction before the funding will be + * considered \"locked\". This number is selected by the channel fundee (i.e. us if + * [`is_outbound`] is *not* set), and can be selected for inbound channels with + * [`ChannelHandshakeConfig::minimum_depth`] or limited for outbound channels with + * [`ChannelHandshakeLimits::max_minimum_depth`]. + * + * This value will be `None` for outbound channels until the counterparty accepts the channel. + * + * [`is_outbound`]: ChannelDetails::is_outbound + * [`ChannelHandshakeConfig::minimum_depth`]: crate::util::config::ChannelHandshakeConfig::minimum_depth + * [`ChannelHandshakeLimits::max_minimum_depth`]: crate::util::config::ChannelHandshakeLimits::max_minimum_depth + */ +void ChannelDetails_set_confirmations_required(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKCOption_u32Z val); + +/** + * The number of blocks (after our commitment transaction confirms) that we will need to wait + * until we can claim our funds after we force-close the channel. During this time our + * counterparty is allowed to punish us if we broadcasted a stale state. If our counterparty + * force-closes the channel and broadcasts a commitment transaction we do not have to wait any + * time to claim our non-HTLC-encumbered funds. + * + * This value will be `None` for outbound channels until the counterparty accepts the channel. + */ +struct LDKCOption_u16Z ChannelDetails_get_force_close_spend_delay(const struct LDKChannelDetails *NONNULL_PTR this_ptr); + +/** + * The number of blocks (after our commitment transaction confirms) that we will need to wait + * until we can claim our funds after we force-close the channel. During this time our + * counterparty is allowed to punish us if we broadcasted a stale state. If our counterparty + * force-closes the channel and broadcasts a commitment transaction we do not have to wait any + * time to claim our non-HTLC-encumbered funds. + * + * This value will be `None` for outbound channels until the counterparty accepts the channel. + */ +void ChannelDetails_set_force_close_spend_delay(struct LDKChannelDetails *NONNULL_PTR this_ptr, struct LDKCOption_u16Z val); + /** * True if the channel was initiated (and thus funded) by us. */ @@ -13119,7 +15199,10 @@ void ChannelDetails_set_is_outbound(struct LDKChannelDetails *NONNULL_PTR this_p * True if the channel is confirmed, funding_locked messages have been exchanged, and the * channel is not currently being shut down. `funding_locked` message exchange implies the * required confirmation count has been reached (and we were connected to the peer at some - * point after the funding transaction received enough confirmations). + * point after the funding transaction received enough confirmations). The required + * confirmation count is provided in [`confirmations_required`]. + * + * [`confirmations_required`]: ChannelDetails::confirmations_required */ bool ChannelDetails_get_is_funding_locked(const struct LDKChannelDetails *NONNULL_PTR this_ptr); @@ -13127,14 +15210,16 @@ bool ChannelDetails_get_is_funding_locked(const struct LDKChannelDetails *NONNUL * True if the channel is confirmed, funding_locked messages have been exchanged, and the * channel is not currently being shut down. `funding_locked` message exchange implies the * required confirmation count has been reached (and we were connected to the peer at some - * point after the funding transaction received enough confirmations). + * point after the funding transaction received enough confirmations). The required + * confirmation count is provided in [`confirmations_required`]. + * + * [`confirmations_required`]: ChannelDetails::confirmations_required */ void ChannelDetails_set_is_funding_locked(struct LDKChannelDetails *NONNULL_PTR this_ptr, bool val); /** * True if the channel is (a) confirmed and funding_locked messages have been exchanged, (b) - * the peer is connected, (c) no monitor update failure is pending resolution, and (d) the - * channel is not currently negotiating a shutdown. + * the peer is connected, and (c) the channel is not currently negotiating a shutdown. * * This is a strict superset of `is_funding_locked`. */ @@ -13142,8 +15227,7 @@ bool ChannelDetails_get_is_usable(const struct LDKChannelDetails *NONNULL_PTR th /** * True if the channel is (a) confirmed and funding_locked messages have been exchanged, (b) - * the peer is connected, (c) no monitor update failure is pending resolution, and (d) the - * channel is not currently negotiating a shutdown. + * the peer is connected, and (c) the channel is not currently negotiating a shutdown. * * This is a strict superset of `is_funding_locked`. */ @@ -13159,6 +15243,11 @@ bool ChannelDetails_get_is_public(const struct LDKChannelDetails *NONNULL_PTR th */ void ChannelDetails_set_is_public(struct LDKChannelDetails *NONNULL_PTR this_ptr, bool val); +/** + * 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); + /** * Creates a copy of the ChannelDetails */ @@ -13174,6 +15263,26 @@ void PaymentSendFailure_free(struct LDKPaymentSendFailure this_ptr); */ struct LDKPaymentSendFailure PaymentSendFailure_clone(const struct LDKPaymentSendFailure *NONNULL_PTR orig); +/** + * Utility method to constructs a new ParameterError-variant PaymentSendFailure + */ +struct LDKPaymentSendFailure PaymentSendFailure_parameter_error(struct LDKAPIError a); + +/** + * Utility method to constructs a new PathParameterError-variant PaymentSendFailure + */ +struct LDKPaymentSendFailure PaymentSendFailure_path_parameter_error(struct LDKCVec_CResult_NoneAPIErrorZZ a); + +/** + * Utility method to constructs a new AllFailedRetrySafe-variant PaymentSendFailure + */ +struct LDKPaymentSendFailure PaymentSendFailure_all_failed_retry_safe(struct LDKCVec_APIErrorZ a); + +/** + * Utility method to constructs a new PartialFailure-variant PaymentSendFailure + */ +struct LDKPaymentSendFailure PaymentSendFailure_partial_failure(struct LDKCVec_CResult_NoneAPIErrorZZ a); + /** * Constructs a new ChannelManager to hold several channels and route between them. * @@ -13209,6 +15318,12 @@ MUST_USE_RES struct LDKUserConfig ChannelManager_get_current_default_configurati * * 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. + * + * Note that we do not check if you are currently connected to the given peer. If no + * connection is available, the outbound `open_channel` message may fail to send, resulting in + * the channel eventually being silently forgotten. + * + * Note that override_config (or a relevant inner pointer) may be NULL or all-0s to represent None */ 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); @@ -13233,10 +15348,45 @@ 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. @@ -13289,9 +15439,31 @@ void ChannelManager_force_close_all_channels(const struct LDKChannelManager *NON * If a payment_secret *is* provided, we assume that the invoice had the payment_secret feature * bit set (either as required or as available). If multiple paths are present in the Route, * we assume the invoice had the basic_mpp feature set. + * + * Note that payment_secret (or a relevant inner pointer) may be NULL or all-0s to represent None */ 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); +/** + * Send a spontaneous payment, which is a payment that does not require the recipient to have + * generated an invoice. Optionally, you may specify the preimage. If you do choose to specify + * the preimage, it must be a cryptographically secure random value that no intermediate node + * would be able to guess -- otherwise, an intermediate node may claim the payment and it will + * never reach the recipient. + * + * See [`send_payment`] documentation for more details on the return value of this function. + * + * Similar to regular payments, you MUST NOT reuse a `payment_preimage` value. See + * [`send_payment`] for more information about the risks of duplicate preimage usage. + * + * Note that `route` must have exactly one path. + * + * [`send_payment`]: Self::send_payment + * + * Note that payment_preimage (or a relevant inner pointer) may be NULL or all-0s to represent None + */ +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); + /** * Call this upon creation of a funding transaction for the given channel. * @@ -13347,13 +15519,16 @@ 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); @@ -13443,7 +15618,7 @@ MUST_USE_RES struct LDKC2Tuple_PaymentHashPaymentSecretZ ChannelManager_create_i * The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) must be globally unique. This * method may return an Err if another payment with the same payment_hash is still pending. * - * `user_payment_id` will be provided back in [`PaymentReceived::user_payment_id`] events to + * `user_payment_id` will be provided back in [`PaymentPurpose::InvoicePayment::user_payment_id`] events to * allow tracking of which events correspond with which calls to this and * [`create_inbound_payment`]. `user_payment_id` has no meaning inside of LDK, it is simply * copied to events and otherwise ignored. It may be used to correlate PaymentReceived events @@ -13477,7 +15652,7 @@ MUST_USE_RES struct LDKC2Tuple_PaymentHashPaymentSecretZ ChannelManager_create_i * * [`create_inbound_payment`]: Self::create_inbound_payment * [`PaymentReceived`]: events::Event::PaymentReceived - * [`PaymentReceived::user_payment_id`]: events::Event::PaymentReceived::user_payment_id + * [`PaymentPurpose::InvoicePayment::user_payment_id`]: events::PaymentPurpose::InvoicePayment::user_payment_id */ MUST_USE_RES struct LDKCResult_PaymentSecretAPIErrorZ ChannelManager_create_inbound_payment_for_hash(const struct LDKChannelManager *NONNULL_PTR this_arg, struct LDKThirtyTwoBytes payment_hash, struct LDKCOption_u64Z min_value_msat, uint32_t invoice_expiry_delta_secs, uint64_t user_payment_id); @@ -13521,6 +15696,12 @@ MUST_USE_RES bool ChannelManager_await_persistable_update_timeout(const struct L */ void ChannelManager_await_persistable_update(const struct LDKChannelManager *NONNULL_PTR this_arg); +/** + * Gets the latest best block which was connected either via the [`chain::Listen`] or + * [`chain::Confirm`] interfaces. + */ +MUST_USE_RES struct LDKBestBlock ChannelManager_current_best_block(const struct LDKChannelManager *NONNULL_PTR this_arg); + /** * Constructs a new ChannelMessageHandler which calls the relevant methods on this_arg. * This copies the `inner` pointer in this_arg and thus the returned ChannelMessageHandler must be freed before this_arg is @@ -14149,12 +16330,12 @@ 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); @@ -14184,12 +16365,12 @@ 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); @@ -14275,6 +16456,45 @@ 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. */ @@ -14310,10 +16530,26 @@ 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 @@ -14757,6 +16993,26 @@ void NetAddress_free(struct LDKNetAddress this_ptr); */ struct LDKNetAddress NetAddress_clone(const struct LDKNetAddress *NONNULL_PTR orig); +/** + * Utility method to constructs a new IPv4-variant NetAddress + */ +struct LDKNetAddress NetAddress_ipv4(struct LDKFourBytes addr, uint16_t port); + +/** + * Utility method to constructs a new IPv6-variant NetAddress + */ +struct LDKNetAddress NetAddress_ipv6(struct LDKSixteenBytes addr, uint16_t port); + +/** + * Utility method to constructs a new OnionV2-variant NetAddress + */ +struct LDKNetAddress NetAddress_onion_v2(struct LDKTenBytes addr, uint16_t port); + +/** + * Utility method to constructs a new OnionV3-variant NetAddress + */ +struct LDKNetAddress NetAddress_onion_v3(struct LDKThirtyTwoBytes ed25519_pubkey, uint16_t checksum, uint8_t version, uint16_t port); + /** * Serialize the NetAddress object into a byte array which can be read by NetAddress_read */ @@ -15387,6 +17643,26 @@ void ErrorAction_free(struct LDKErrorAction this_ptr); */ struct LDKErrorAction ErrorAction_clone(const struct LDKErrorAction *NONNULL_PTR orig); +/** + * Utility method to constructs a new DisconnectPeer-variant ErrorAction + */ +struct LDKErrorAction ErrorAction_disconnect_peer(struct LDKErrorMessage msg); + +/** + * Utility method to constructs a new IgnoreError-variant ErrorAction + */ +struct LDKErrorAction ErrorAction_ignore_error(void); + +/** + * Utility method to constructs a new IgnoreAndLog-variant ErrorAction + */ +struct LDKErrorAction ErrorAction_ignore_and_log(enum LDKLevel a); + +/** + * Utility method to constructs a new SendErrorMessage-variant ErrorAction + */ +struct LDKErrorAction ErrorAction_send_error_message(struct LDKErrorMessage msg); + /** * Frees any resources used by the LightningError, if is_owned is set and inner is non-NULL. */ @@ -15427,21 +17703,41 @@ 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 */ @@ -15449,11 +17745,15 @@ void CommitmentUpdate_set_update_fail_malformed_htlcs(struct LDKCommitmentUpdate /** * An update_fee message which should be sent + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKUpdateFee CommitmentUpdate_get_update_fee(const struct LDKCommitmentUpdate *NONNULL_PTR this_ptr); /** * An update_fee message which should be sent + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void CommitmentUpdate_set_update_fee(struct LDKCommitmentUpdate *NONNULL_PTR this_ptr, struct LDKUpdateFee val); @@ -15477,16 +17777,6 @@ 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); - /** * Calls the free function if one is set */ @@ -15537,6 +17827,16 @@ 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 */ @@ -15768,14 +18068,14 @@ 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 @@ -15783,14 +18083,14 @@ 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 @@ -15802,15 +18102,20 @@ 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. @@ -15834,6 +18139,18 @@ 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. */ @@ -15863,25 +18180,35 @@ void MessageHandler_free(struct LDKMessageHandler this_obj); /** * A message handler which handles messages specific to channels. Usually this is just a - * ChannelManager object or a ErroringMessageHandler. + * [`ChannelManager`] object or an [`ErroringMessageHandler`]. + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager */ const struct LDKChannelMessageHandler *MessageHandler_get_chan_handler(const struct LDKMessageHandler *NONNULL_PTR this_ptr); /** * A message handler which handles messages specific to channels. Usually this is just a - * ChannelManager object or a ErroringMessageHandler. + * [`ChannelManager`] object or an [`ErroringMessageHandler`]. + * + * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager */ void MessageHandler_set_chan_handler(struct LDKMessageHandler *NONNULL_PTR this_ptr, struct LDKChannelMessageHandler val); /** * A message handler which handles messages updating our knowledge of the network channel - * graph. Usually this is just a NetGraphMsgHandlerMonitor object or an IgnoringMessageHandler. + * graph. Usually this is just a [`NetGraphMsgHandler`] object or an + * [`IgnoringMessageHandler`]. + * + * [`NetGraphMsgHandler`]: crate::routing::network_graph::NetGraphMsgHandler */ const struct LDKRoutingMessageHandler *MessageHandler_get_route_handler(const struct LDKMessageHandler *NONNULL_PTR this_ptr); /** * A message handler which handles messages updating our knowledge of the network channel - * graph. Usually this is just a NetGraphMsgHandlerMonitor object or an IgnoringMessageHandler. + * graph. Usually this is just a [`NetGraphMsgHandler`] object or an + * [`IgnoringMessageHandler`]. + * + * [`NetGraphMsgHandler`]: crate::routing::network_graph::NetGraphMsgHandler */ void MessageHandler_set_route_handler(struct LDKMessageHandler *NONNULL_PTR this_ptr, struct LDKRoutingMessageHandler val); @@ -15937,7 +18264,7 @@ 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. @@ -15955,8 +18282,10 @@ MUST_USE_RES struct LDKCVec_PublicKeyZ PeerManager_get_peer_node_ids(const struc * * Returns a small number of bytes to send to the remote node (currently always 50). * - * Panics if descriptor is duplicative with some other descriptor which has not yet had a - * socket_disconnected(). + * Panics if descriptor is duplicative with some other descriptor which has not yet been + * [`socket_disconnected()`]. + * + * [`socket_disconnected()`]: PeerManager::socket_disconnected */ MUST_USE_RES struct LDKCResult_CVec_u8ZPeerHandleErrorZ PeerManager_new_outbound_connection(const struct LDKPeerManager *NONNULL_PTR this_arg, struct LDKPublicKey their_node_id, struct LDKSocketDescriptor descriptor); @@ -15968,8 +18297,10 @@ MUST_USE_RES struct LDKCResult_CVec_u8ZPeerHandleErrorZ PeerManager_new_outbound * call socket_disconnected for the new descriptor but must disconnect the connection * immediately. * - * Panics if descriptor is duplicative with some other descriptor which has not yet had - * socket_disconnected called. + * Panics if descriptor is duplicative with some other descriptor which has not yet been + * [`socket_disconnected()`]. + * + * [`socket_disconnected()`]: PeerManager::socket_disconnected */ MUST_USE_RES struct LDKCResult_NonePeerHandleErrorZ PeerManager_new_inbound_connection(const struct LDKPeerManager *NONNULL_PTR this_arg, struct LDKSocketDescriptor descriptor); @@ -15978,12 +18309,14 @@ MUST_USE_RES struct LDKCResult_NonePeerHandleErrorZ PeerManager_new_inbound_conn * * May return an Err to indicate that the connection should be closed. * - * Will most likely call send_data on the descriptor passed in (or the descriptor handed into - * new_*\\_connection) before returning. Thus, be very careful with reentrancy issues! The - * invariants around calling write_buffer_space_avail in case a write did not fully complete - * must still hold - be ready to call write_buffer_space_avail again if a write call generated - * here isn't sufficient! Panics if the descriptor was not previously registered in a - * new_\\*_connection event. + * May call [`send_data`] on the descriptor passed in (or an equal descriptor) before + * returning. Thus, be very careful with reentrancy issues! The invariants around calling + * [`write_buffer_space_avail`] in case a write did not fully complete must still hold - be + * ready to call `[write_buffer_space_avail`] again if a write call generated here isn't + * sufficient! + * + * [`send_data`]: SocketDescriptor::send_data + * [`write_buffer_space_avail`]: PeerManager::write_buffer_space_avail */ MUST_USE_RES struct LDKCResult_NonePeerHandleErrorZ PeerManager_write_buffer_space_avail(const struct LDKPeerManager *NONNULL_PTR this_arg, struct LDKSocketDescriptor *NONNULL_PTR descriptor); @@ -15992,51 +18325,66 @@ MUST_USE_RES struct LDKCResult_NonePeerHandleErrorZ PeerManager_write_buffer_spa * * May return an Err to indicate that the connection should be closed. * - * Will *not* call back into send_data on any descriptors to avoid reentrancy complexity. - * Thus, however, you almost certainly want to call process_events() after any read_event to - * generate send_data calls to handle responses. + * Will *not* call back into [`send_data`] on any descriptors to avoid reentrancy complexity. + * Thus, however, you should call [`process_events`] after any `read_event` to generate + * [`send_data`] calls to handle responses. * - * If Ok(true) is returned, further read_events should not be triggered until a send_data call - * on this file descriptor has resume_read set (preventing DoS issues in the send buffer). + * If `Ok(true)` is returned, further read_events should not be triggered until a + * [`send_data`] call on this descriptor has `resume_read` set (preventing DoS issues in the + * send buffer). * - * Panics if the descriptor was not previously registered in a new_*_connection event. + * [`send_data`]: SocketDescriptor::send_data + * [`process_events`]: PeerManager::process_events */ MUST_USE_RES struct LDKCResult_boolPeerHandleErrorZ PeerManager_read_event(const struct LDKPeerManager *NONNULL_PTR this_arg, struct LDKSocketDescriptor *NONNULL_PTR peer_descriptor, struct LDKu8slice data); /** * Checks for any events generated by our handlers and processes them. Includes sending most * response messages as well as messages generated by calls to handler functions directly (eg - * functions like ChannelManager::process_pending_htlc_forward or send_payment). + * functions like [`ChannelManager::process_pending_htlc_forwards`] or [`send_payment`]). + * + * 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 */ void PeerManager_process_events(const struct LDKPeerManager *NONNULL_PTR this_arg); /** * Indicates that the given socket descriptor's connection is now closed. - * - * This must only be called if the socket has been disconnected by the peer or your own - * decision to disconnect it and must NOT be called in any case where other parts of this - * library (eg PeerHandleError, explicit disconnect_socket calls) instruct you to disconnect - * the peer. - * - * Panics if the descriptor was not previously registered in a successful new_*_connection event. */ void PeerManager_socket_disconnected(const struct LDKPeerManager *NONNULL_PTR this_arg, const struct LDKSocketDescriptor *NONNULL_PTR descriptor); /** * Disconnect a peer given its node id. * - * Set no_connection_possible to true to prevent any further connection with this peer, + * Set `no_connection_possible` to true to prevent any further connection with this peer, * force-closing any channels we have with it. * - * If a peer is connected, this will call `disconnect_socket` on the descriptor for the peer, - * so be careful about reentrancy issues. + * If a peer is connected, this will call [`disconnect_socket`] on the descriptor for the + * peer. Thus, be very careful about reentrancy issues. + * + * [`disconnect_socket`]: SocketDescriptor::disconnect_socket */ 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. - * Will most likely call send_data on all of the registered descriptors, thus, be very careful with reentrancy issues! + * 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! + * + * [`send_data`]: SocketDescriptor::send_data */ void PeerManager_timer_tick_occurred(const struct LDKPeerManager *NONNULL_PTR this_arg); @@ -16045,6 +18393,11 @@ 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. @@ -16383,9 +18736,15 @@ struct LDKCVec_u8Z get_htlc_redeemscript(const struct LDKHTLCOutputInCommitment struct LDKCVec_u8Z make_funding_redeemscript(struct LDKPublicKey broadcaster, struct LDKPublicKey countersignatory); /** - * panics if htlc.transaction_output_index.is_none()! + * Builds an unsigned HTLC-Success or HTLC-Timeout transaction from the given channel and HTLC + * parameters. This is used by [`TrustedCommitmentTransaction::get_htlc_sigs`] to fetch the + * transaction which needs signing, and can be used to construct an HTLC transaction which is + * broadcastable given a counterparty HTLC signature. + * + * Panics if htlc.transaction_output_index.is_none() (as such HTLCs do not appear in the + * commitment transaction). */ -struct LDKTransaction build_htlc_transaction(const uint8_t (*prev_hash)[32], uint32_t feerate_per_kw, uint16_t contest_delay, const struct LDKHTLCOutputInCommitment *NONNULL_PTR htlc, struct LDKPublicKey broadcaster_delayed_payment_key, struct LDKPublicKey revocation_key); +struct LDKTransaction build_htlc_transaction(const uint8_t (*commitment_txid)[32], uint32_t feerate_per_kw, uint16_t contest_delay, const struct LDKHTLCOutputInCommitment *NONNULL_PTR htlc, struct LDKPublicKey broadcaster_delayed_payment_key, struct LDKPublicKey revocation_key); /** * Frees any resources used by the ChannelTransactionParameters, if is_owned is set and inner is non-NULL. @@ -16427,22 +18786,30 @@ void ChannelTransactionParameters_set_is_outbound_from_holder(struct LDKChannelT /** * The late-bound counterparty channel transaction parameters. * These parameters are populated at the point in the protocol where the counterparty provides them. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKCounterpartyChannelTransactionParameters ChannelTransactionParameters_get_counterparty_parameters(const struct LDKChannelTransactionParameters *NONNULL_PTR this_ptr); /** * The late-bound counterparty channel transaction parameters. * These parameters are populated at the point in the protocol where the counterparty provides them. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void ChannelTransactionParameters_set_counterparty_parameters(struct LDKChannelTransactionParameters *NONNULL_PTR this_ptr, struct LDKCounterpartyChannelTransactionParameters val); /** * The late-bound funding outpoint + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKOutPoint ChannelTransactionParameters_get_funding_outpoint(const struct LDKChannelTransactionParameters *NONNULL_PTR this_ptr); /** * The late-bound funding outpoint + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void ChannelTransactionParameters_set_funding_outpoint(struct LDKChannelTransactionParameters *NONNULL_PTR this_ptr, struct LDKOutPoint val); @@ -16671,6 +19038,79 @@ 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. */ @@ -16717,7 +19157,7 @@ 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); @@ -16760,7 +19200,12 @@ MUST_USE_RES struct LDKTxCreationKeys TrustedCommitmentTransaction_keys(const st MUST_USE_RES struct LDKCResult_CVec_SignatureZNoneZ TrustedCommitmentTransaction_get_htlc_sigs(const struct LDKTrustedCommitmentTransaction *NONNULL_PTR this_arg, const uint8_t (*htlc_base_key)[32], const struct LDKDirectedChannelTransactionParameters *NONNULL_PTR channel_parameters); /** - * Get the transaction number obscure factor + * Commitment transaction numbers which appear in the transactions themselves are XOR'd with a + * shared secret first. This prevents on-chain observers from discovering how many commitment + * transactions occurred in a channel before it was closed. + * + * This function gets the shared secret from relevant channel public keys and can be used to + * \"decrypt\" the commitment transaction number given a commitment transaction on-chain. */ uint64_t get_commitment_transaction_number_obscure_factor(struct LDKPublicKey broadcaster_payment_basepoint, struct LDKPublicKey countersignatory_payment_basepoint, bool outbound_from_broadcaster); @@ -16842,6 +19287,12 @@ 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 */ @@ -16852,6 +19303,12 @@ 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 */ @@ -16862,6 +19319,12 @@ 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 */ @@ -16872,6 +19335,12 @@ 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. */ @@ -16927,6 +19396,101 @@ struct LDKCResult_ChannelFeaturesDecodeErrorZ ChannelFeatures_read(struct LDKu8s */ struct LDKCResult_InvoiceFeaturesDecodeErrorZ InvoiceFeatures_read(struct LDKu8slice ser); +/** + * Frees any resources used by the ShutdownScript, if is_owned is set and inner is non-NULL. + */ +void ShutdownScript_free(struct LDKShutdownScript this_obj); + +/** + * Creates a copy of the ShutdownScript + */ +struct LDKShutdownScript ShutdownScript_clone(const struct LDKShutdownScript *NONNULL_PTR orig); + +/** + * Frees any resources used by the InvalidShutdownScript, if is_owned is set and inner is non-NULL. + */ +void InvalidShutdownScript_free(struct LDKInvalidShutdownScript this_obj); + +/** + * 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 LDKu8slice InvalidShutdownScript_get_script(const struct LDKInvalidShutdownScript *NONNULL_PTR this_ptr); + +/** + * 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 + */ +void InvalidShutdownScript_set_script(struct LDKInvalidShutdownScript *NONNULL_PTR this_ptr, struct LDKCVec_u8Z val); + +/** + * Constructs a new InvalidShutdownScript given each field + */ +MUST_USE_RES struct LDKInvalidShutdownScript InvalidShutdownScript_new(struct LDKCVec_u8Z script_arg); + +/** + * Serialize the ShutdownScript object into a byte array which can be read by ShutdownScript_read + */ +struct LDKCVec_u8Z ShutdownScript_write(const struct LDKShutdownScript *NONNULL_PTR obj); + +/** + * Read a ShutdownScript from a byte array, created by ShutdownScript_write + */ +struct LDKCResult_ShutdownScriptDecodeErrorZ ShutdownScript_read(struct LDKu8slice ser); + +/** + * Generates a P2WPKH script pubkey from the given [`WPubkeyHash`]. + */ +MUST_USE_RES struct LDKShutdownScript ShutdownScript_new_p2wpkh(const uint8_t (*pubkey_hash)[20]); + +/** + * Generates a P2WSH script pubkey from the given [`WScriptHash`]. + */ +MUST_USE_RES struct LDKShutdownScript ShutdownScript_new_p2wsh(const uint8_t (*script_hash)[32]); + +/** + * 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`. + */ +MUST_USE_RES struct LDKCResult_ShutdownScriptInvalidShutdownScriptZ ShutdownScript_new_witness_program(uint8_t version, struct LDKu8slice program); + +/** + * Converts the shutdown script into the underlying [`Script`]. + */ +MUST_USE_RES struct LDKCVec_u8Z ShutdownScript_into_inner(struct LDKShutdownScript this_arg); + +/** + * 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 + */ +MUST_USE_RES struct LDKPublicKey ShutdownScript_as_legacy_pubkey(const struct LDKShutdownScript *NONNULL_PTR this_arg); + +/** + * Returns whether the shutdown script is compatible with the features as defined by BOLT #2. + * + * Specifically, checks for compliance with feature `option_shutdown_anysegwit`. + */ +MUST_USE_RES bool ShutdownScript_is_compatible(const struct LDKShutdownScript *NONNULL_PTR this_arg, const struct LDKInitFeatures *NONNULL_PTR features); + +/** + * Calls the free function if one is set + */ +void CustomMessageReader_free(struct LDKCustomMessageReader this_ptr); + +/** + * Calls the free function if one is set + */ +void Type_free(struct LDKType this_ptr); + /** * Frees any resources used by the RouteHop, if is_owned is set and inner is non-NULL. */ @@ -17012,6 +19576,18 @@ MUST_USE_RES struct LDKRouteHop RouteHop_new(struct LDKPublicKey pubkey_arg, str */ 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 */ @@ -17027,6 +19603,16 @@ struct LDKCResult_RouteHopDecodeErrorZ RouteHop_read(struct LDKu8slice ser); */ 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. @@ -17047,6 +19633,31 @@ MUST_USE_RES struct LDKRoute Route_new(struct LDKCVec_CVec_RouteHopZZ paths_arg) */ 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 [`get_route`]'s `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 */ @@ -17057,6 +19668,28 @@ struct LDKCVec_u8Z Route_write(const struct LDKRoute *NONNULL_PTR obj); */ struct LDKCResult_RouteDecodeErrorZ Route_read(struct LDKu8slice ser); +/** + * Frees any resources used by the RouteHint, if is_owned is set and inner is non-NULL. + */ +void RouteHint_free(struct LDKRouteHint this_obj); + +/** + * 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); + /** * Frees any resources used by the RouteHintHop, if is_owned is set and inner is non-NULL. */ @@ -17127,6 +19760,16 @@ void RouteHintHop_set_htlc_maximum_msat(struct LDKRouteHintHop *NONNULL_PTR this */ 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. @@ -17135,9 +19778,13 @@ MUST_USE_RES struct LDKRouteHintHop RouteHintHop_new(struct LDKPublicKey src_nod bool RouteHintHop_eq(const struct LDKRouteHintHop *NONNULL_PTR a, const struct LDKRouteHintHop *NONNULL_PTR b); /** - * Creates a copy of the RouteHintHop + * 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 */ -struct LDKRouteHintHop RouteHintHop_clone(const struct LDKRouteHintHop *NONNULL_PTR orig); +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); /** * Gets a route from us (payer) to the given target node (payee). @@ -17145,8 +19792,8 @@ struct LDKRouteHintHop RouteHintHop_clone(const struct LDKRouteHintHop *NONNULL_ * 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. * - * Extra routing hops between known nodes and the target will be used if they are included in - * last_hops. + * 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 @@ -17159,8 +19806,11 @@ struct LDKRouteHintHop RouteHintHop_clone(const struct LDKRouteHintHop *NONNULL_ * 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 */ -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_RouteHintHopZ last_hops, uint64_t final_value_msat, uint32_t final_cltv, struct LDKLogger logger); +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); /** * Frees any resources used by the NetworkGraph, if is_owned is set and inner is non-NULL. @@ -17173,49 +19823,76 @@ void NetworkGraph_free(struct LDKNetworkGraph this_obj); struct LDKNetworkGraph NetworkGraph_clone(const struct LDKNetworkGraph *NONNULL_PTR orig); /** - * Frees any resources used by the LockedNetworkGraph, if is_owned is set and inner is non-NULL. + * Frees any resources used by the ReadOnlyNetworkGraph, if is_owned is set and inner is non-NULL. + */ +void ReadOnlyNetworkGraph_free(struct LDKReadOnlyNetworkGraph this_obj); + +/** + * Frees any resources used by the NetworkUpdate + */ +void NetworkUpdate_free(struct LDKNetworkUpdate this_ptr); + +/** + * Creates a copy of the NetworkUpdate + */ +struct LDKNetworkUpdate NetworkUpdate_clone(const struct LDKNetworkUpdate *NONNULL_PTR orig); + +/** + * Utility method to constructs a new ChannelUpdateMessage-variant NetworkUpdate + */ +struct LDKNetworkUpdate NetworkUpdate_channel_update_message(struct LDKChannelUpdate msg); + +/** + * Utility method to constructs a new ChannelClosed-variant NetworkUpdate + */ +struct LDKNetworkUpdate NetworkUpdate_channel_closed(uint64_t short_channel_id, bool is_permanent); + +/** + * Utility method to constructs a new NodeFailure-variant NetworkUpdate + */ +struct LDKNetworkUpdate NetworkUpdate_node_failure(struct LDKPublicKey node_id, bool is_permanent); + +/** + * Serialize the NetworkUpdate object into a byte array which can be read by NetworkUpdate_read + */ +struct LDKCVec_u8Z NetworkUpdate_write(const struct LDKNetworkUpdate *NONNULL_PTR obj); + +/** + * 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 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. + */ +void NetGraphMsgHandler_free(struct LDKNetGraphMsgHandler this_obj); + +/** + * Representation of the payment channel network */ -void LockedNetworkGraph_free(struct LDKLockedNetworkGraph this_obj); +struct LDKNetworkGraph NetGraphMsgHandler_get_network_graph(const struct LDKNetGraphMsgHandler *NONNULL_PTR this_ptr); /** - * Frees any resources used by the NetGraphMsgHandler, if is_owned is set and inner is non-NULL. + * Representation of the payment channel network */ -void NetGraphMsgHandler_free(struct LDKNetGraphMsgHandler this_obj); +void NetGraphMsgHandler_set_network_graph(struct LDKNetGraphMsgHandler *NONNULL_PTR this_ptr, struct LDKNetworkGraph val); /** * Creates a new tracker of the actual state of the network of channels and nodes, - * assuming 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. */ -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. - */ -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(struct LDKNetworkGraph 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. */ -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. @@ -17301,6 +19978,8 @@ void DirectionalChannelInfo_set_fees(struct LDKDirectionalChannelInfo *NONNULL_P * Mostly redundant with the data we store in fields explicitly. * Everything else is useful only for sending out for initial routing sync. * Not stored if contains excess data to prevent DoS. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKChannelUpdate DirectionalChannelInfo_get_last_update_message(const struct LDKDirectionalChannelInfo *NONNULL_PTR this_ptr); @@ -17309,6 +19988,8 @@ struct LDKChannelUpdate DirectionalChannelInfo_get_last_update_message(const str * Mostly redundant with the data we store in fields explicitly. * Everything else is useful only for sending out for initial routing sync. * Not stored if contains excess data to prevent DoS. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void DirectionalChannelInfo_set_last_update_message(struct LDKDirectionalChannelInfo *NONNULL_PTR this_ptr, struct LDKChannelUpdate val); @@ -17359,11 +20040,15 @@ void ChannelInfo_set_node_one(struct LDKChannelInfo *NONNULL_PTR this_ptr, struc /** * Details about the first direction of a channel + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKDirectionalChannelInfo ChannelInfo_get_one_to_two(const struct LDKChannelInfo *NONNULL_PTR this_ptr); /** * Details about the first direction of a channel + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void ChannelInfo_set_one_to_two(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKDirectionalChannelInfo val); @@ -17379,11 +20064,15 @@ void ChannelInfo_set_node_two(struct LDKChannelInfo *NONNULL_PTR this_ptr, struc /** * Details about the second direction of a channel + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKDirectionalChannelInfo ChannelInfo_get_two_to_one(const struct LDKChannelInfo *NONNULL_PTR this_ptr); /** * Details about the second direction of a channel + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void ChannelInfo_set_two_to_one(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKDirectionalChannelInfo val); @@ -17402,6 +20091,8 @@ void ChannelInfo_set_capacity_sats(struct LDKChannelInfo *NONNULL_PTR this_ptr, * Mostly redundant with the data we store in fields explicitly. * Everything else is useful only for sending out for initial routing sync. * Not stored if contains excess data to prevent DoS. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKChannelAnnouncement ChannelInfo_get_announcement_message(const struct LDKChannelInfo *NONNULL_PTR this_ptr); @@ -17410,6 +20101,8 @@ struct LDKChannelAnnouncement ChannelInfo_get_announcement_message(const struct * Mostly redundant with the data we store in fields explicitly. * Everything else is useful only for sending out for initial routing sync. * Not stored if contains excess data to prevent DoS. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void ChannelInfo_set_announcement_message(struct LDKChannelInfo *NONNULL_PTR this_ptr, struct LDKChannelAnnouncement val); @@ -17477,6 +20170,11 @@ 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 */ @@ -17548,6 +20246,8 @@ void NodeAnnouncementInfo_set_addresses(struct LDKNodeAnnouncementInfo *NONNULL_ * Mostly redundant with the data we store in fields explicitly. * Everything else is useful only for sending out for initial routing sync. * Not stored if contains excess data to prevent DoS. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKNodeAnnouncement NodeAnnouncementInfo_get_announcement_message(const struct LDKNodeAnnouncementInfo *NONNULL_PTR this_ptr); @@ -17556,6 +20256,8 @@ struct LDKNodeAnnouncement NodeAnnouncementInfo_get_announcement_message(const s * Mostly redundant with the data we store in fields explicitly. * Everything else is useful only for sending out for initial routing sync. * Not stored if contains excess data to prevent DoS. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void NodeAnnouncementInfo_set_announcement_message(struct LDKNodeAnnouncementInfo *NONNULL_PTR this_ptr, struct LDKNodeAnnouncement val); @@ -17593,6 +20295,8 @@ void NodeInfo_set_channels(struct LDKNodeInfo *NONNULL_PTR this_ptr, struct LDKC * Lowest fees enabling routing via any of the enabled, known channels to a node. * The two fields (flat and proportional fee) are independent, * meaning they don't have to refer to the same channel. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKRoutingFees NodeInfo_get_lowest_inbound_channel_fees(const struct LDKNodeInfo *NONNULL_PTR this_ptr); @@ -17600,6 +20304,8 @@ struct LDKRoutingFees NodeInfo_get_lowest_inbound_channel_fees(const struct LDKN * Lowest fees enabling routing via any of the enabled, known channels to a node. * The two fields (flat and proportional fee) are independent, * meaning they don't have to refer to the same channel. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void NodeInfo_set_lowest_inbound_channel_fees(struct LDKNodeInfo *NONNULL_PTR this_ptr, struct LDKRoutingFees val); @@ -17607,6 +20313,8 @@ void NodeInfo_set_lowest_inbound_channel_fees(struct LDKNodeInfo *NONNULL_PTR th * More information about a node from node_announcement. * Optional because we store a Node entry after learning about it from * a channel announcement, but before receiving a node announcement. + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None */ struct LDKNodeAnnouncementInfo NodeInfo_get_announcement_info(const struct LDKNodeInfo *NONNULL_PTR this_ptr); @@ -17614,6 +20322,8 @@ struct LDKNodeAnnouncementInfo NodeInfo_get_announcement_info(const struct LDKNo * More information about a node from node_announcement. * Optional because we store a Node entry after learning about it from * a channel announcement, but before receiving a node announcement. + * + * Note that val (or a relevant inner pointer) may be NULL or all-0s to represent None */ void NodeInfo_set_announcement_info(struct LDKNodeInfo *NONNULL_PTR this_ptr, struct LDKNodeAnnouncementInfo val); @@ -17652,6 +20362,11 @@ struct LDKCResult_NetworkGraphDecodeErrorZ NetworkGraph_read(struct LDKu8slice s */ 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. @@ -17660,7 +20375,7 @@ MUST_USE_RES struct LDKNetworkGraph NetworkGraph_new(struct LDKThirtyTwoBytes ge * 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(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKNodeAnnouncement *NONNULL_PTR msg); +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 @@ -17668,7 +20383,7 @@ MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_node_from * 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(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedNodeAnnouncement *NONNULL_PTR msg); +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. @@ -17680,7 +20395,7 @@ MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_node_from * 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(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKChannelAnnouncement *NONNULL_PTR msg, struct LDKAccess *chain_access); +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 @@ -17690,7 +20405,7 @@ MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_f * 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(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelAnnouncement *NONNULL_PTR msg, struct LDKAccess *chain_access); +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. @@ -17698,7 +20413,12 @@ MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_f * 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(struct LDKNetworkGraph *NONNULL_PTR this_arg, uint64_t short_channel_id, bool is_permanent); +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 @@ -17708,14 +20428,14 @@ void NetworkGraph_close_channel_from_update(struct LDKNetworkGraph *NONNULL_PTR * 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(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKChannelUpdate *NONNULL_PTR msg); +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(struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelUpdate *NONNULL_PTR msg); +MUST_USE_RES struct LDKCResult_NoneLightningErrorZ NetworkGraph_update_channel_unsigned(const struct LDKNetworkGraph *NONNULL_PTR this_arg, const struct LDKUnsignedChannelUpdate *NONNULL_PTR msg); /** * Frees any resources used by the FilesystemPersister, if is_owned is set and inner is non-NULL. @@ -17761,29 +20481,66 @@ void BackgroundProcessor_free(struct LDKBackgroundProcessor this_obj); void ChannelManagerPersister_free(struct LDKChannelManagerPersister this_ptr); /** - * Start a background thread that takes care of responsibilities enumerated in the top-level - * documentation. + * Start a background thread that takes care of responsibilities enumerated in the [top-level + * documentation]. * - * If `persist_manager` returns an error, then this thread will return said error (and - * `start()` will need to be called again to restart the `BackgroundProcessor`). Users should - * wait on [`thread_handle`]'s `join()` method to be able to tell if and when an error is - * returned, or implement `persist_manager` such that an error is never returned to the - * `BackgroundProcessor` + * The thread runs indefinitely unless the object is dropped, [`stop`] is called, or + * `persist_manager` returns an error. In case of an error, the error is retrieved by calling + * either [`join`] or [`stop`]. + * + * # 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. * - * [`thread_handle`]: BackgroundProcessor::thread_handle + * 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, 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 + * [`ChannelManager`]. + * + * # Panics + * + * This function panics if the background thread has panicked such as while persisting or + * handling events. + * + * [`ChannelManager`]: lightning::ln::channelmanager::ChannelManager */ -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 LDKCResult_NoneErrorZ BackgroundProcessor_join(struct LDKBackgroundProcessor this_arg); /** - * Stop `BackgroundProcessor`'s thread. + * Stop `BackgroundProcessor`'s thread, returning any error that occurred while persisting + * [`ChannelManager`]. + * + * # Panics + * + * This function panics if the background thread has panicked such as while persisting or + * handling events. + * + * [`ChannelManager`]: lightning::ln::channelmanager::ChannelManager */ MUST_USE_RES struct LDKCResult_NoneErrorZ BackgroundProcessor_stop(struct LDKBackgroundProcessor this_arg); @@ -17914,6 +20671,26 @@ struct LDKPositiveTimestamp PositiveTimestamp_clone(const struct LDKPositiveTime */ enum LDKSiPrefix SiPrefix_clone(const enum LDKSiPrefix *NONNULL_PTR orig); +/** + * Utility method to constructs a new Milli-variant SiPrefix + */ +enum LDKSiPrefix SiPrefix_milli(void); + +/** + * Utility method to constructs a new Micro-variant SiPrefix + */ +enum LDKSiPrefix SiPrefix_micro(void); + +/** + * Utility method to constructs a new Nano-variant SiPrefix + */ +enum LDKSiPrefix SiPrefix_nano(void); + +/** + * Utility method to constructs a new Pico-variant SiPrefix + */ +enum LDKSiPrefix SiPrefix_pico(void); + /** * Checks if two SiPrefixs contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -17931,6 +20708,36 @@ MUST_USE_RES uint64_t SiPrefix_multiplier(const enum LDKSiPrefix *NONNULL_PTR th */ enum LDKCurrency Currency_clone(const enum LDKCurrency *NONNULL_PTR orig); +/** + * Utility method to constructs a new Bitcoin-variant Currency + */ +enum LDKCurrency Currency_bitcoin(void); + +/** + * Utility method to constructs a new BitcoinTestnet-variant Currency + */ +enum LDKCurrency Currency_bitcoin_testnet(void); + +/** + * Utility method to constructs a new Regtest-variant Currency + */ +enum LDKCurrency Currency_regtest(void); + +/** + * Utility method to constructs a new Simnet-variant Currency + */ +enum LDKCurrency Currency_simnet(void); + +/** + * Utility method to constructs a new Signet-variant Currency + */ +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. @@ -17942,6 +20749,16 @@ 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. @@ -17950,14 +20767,19 @@ 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. + */ +uint64_t Description_hash(const struct LDKDescription *NONNULL_PTR o); /** * Checks if two Descriptions contain equal inner contents. @@ -17967,14 +20789,19 @@ void Description_free(struct LDKDescription this_obj); bool Description_eq(const struct LDKDescription *NONNULL_PTR a, const struct LDKDescription *NONNULL_PTR b); /** - * Creates a copy of the Description + * Frees any resources used by the PayeePubKey, if is_owned is set and inner is non-NULL. */ -struct LDKDescription Description_clone(const struct LDKDescription *NONNULL_PTR orig); +void PayeePubKey_free(struct LDKPayeePubKey this_obj); /** - * Frees any resources used by the PayeePubKey, if is_owned is set and inner is non-NULL. + * Creates a copy of the PayeePubKey */ -void PayeePubKey_free(struct LDKPayeePubKey this_obj); +struct LDKPayeePubKey PayeePubKey_clone(const struct LDKPayeePubKey *NONNULL_PTR orig); + +/** + * Checks if two PayeePubKeys contain equal inner contents. + */ +uint64_t PayeePubKey_hash(const struct LDKPayeePubKey *NONNULL_PTR o); /** * Checks if two PayeePubKeys contain equal inner contents. @@ -17984,14 +20811,19 @@ void PayeePubKey_free(struct LDKPayeePubKey this_obj); bool PayeePubKey_eq(const struct LDKPayeePubKey *NONNULL_PTR a, const struct LDKPayeePubKey *NONNULL_PTR b); /** - * Creates a copy of the PayeePubKey + * Frees any resources used by the ExpiryTime, if is_owned is set and inner is non-NULL. */ -struct LDKPayeePubKey PayeePubKey_clone(const struct LDKPayeePubKey *NONNULL_PTR orig); +void ExpiryTime_free(struct LDKExpiryTime this_obj); /** - * Frees any resources used by the ExpiryTime, if is_owned is set and inner is non-NULL. + * Creates a copy of the ExpiryTime */ -void ExpiryTime_free(struct LDKExpiryTime this_obj); +struct LDKExpiryTime ExpiryTime_clone(const struct LDKExpiryTime *NONNULL_PTR orig); + +/** + * Checks if two ExpiryTimes contain equal inner contents. + */ +uint64_t ExpiryTime_hash(const struct LDKExpiryTime *NONNULL_PTR o); /** * Checks if two ExpiryTimes contain equal inner contents. @@ -18001,26 +20833,26 @@ void ExpiryTime_free(struct LDKExpiryTime this_obj); bool ExpiryTime_eq(const struct LDKExpiryTime *NONNULL_PTR a, const struct LDKExpiryTime *NONNULL_PTR b); /** - * Creates a copy of the ExpiryTime + * Frees any resources used by the MinFinalCltvExpiry, if is_owned is set and inner is non-NULL. */ -struct LDKExpiryTime ExpiryTime_clone(const struct LDKExpiryTime *NONNULL_PTR orig); +void MinFinalCltvExpiry_free(struct LDKMinFinalCltvExpiry this_obj); /** - * Frees any resources used by the MinFinalCltvExpiry, if is_owned is set and inner is non-NULL. + * Creates a copy of the MinFinalCltvExpiry */ -void MinFinalCltvExpiry_free(struct LDKMinFinalCltvExpiry this_obj); +struct LDKMinFinalCltvExpiry MinFinalCltvExpiry_clone(const struct LDKMinFinalCltvExpiry *NONNULL_PTR orig); /** * 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); +uint64_t MinFinalCltvExpiry_hash(const struct LDKMinFinalCltvExpiry *NONNULL_PTR o); /** - * Creates a copy of the MinFinalCltvExpiry + * 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. */ -struct LDKMinFinalCltvExpiry MinFinalCltvExpiry_clone(const struct LDKMinFinalCltvExpiry *NONNULL_PTR orig); +bool MinFinalCltvExpiry_eq(const struct LDKMinFinalCltvExpiry *NONNULL_PTR a, const struct LDKMinFinalCltvExpiry *NONNULL_PTR b); /** * Frees any resources used by the Fallback @@ -18032,6 +20864,26 @@ void Fallback_free(struct LDKFallback this_ptr); */ struct LDKFallback Fallback_clone(const struct LDKFallback *NONNULL_PTR orig); +/** + * Utility method to constructs a new SegWitProgram-variant Fallback + */ +struct LDKFallback Fallback_seg_wit_program(struct LDKu5 version, struct LDKCVec_u8Z program); + +/** + * Utility method to constructs a new PubKeyHash-variant Fallback + */ +struct LDKFallback Fallback_pub_key_hash(struct LDKTwentyBytes a); + +/** + * Utility method to constructs a new ScriptHash-variant Fallback + */ +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. @@ -18043,6 +20895,11 @@ 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. @@ -18051,26 +20908,26 @@ 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 RouteHint, if is_owned is set and inner is non-NULL. + * Creates a copy of the PrivateRoute */ -void RouteHint_free(struct LDKRouteHint this_obj); +struct LDKPrivateRoute PrivateRoute_clone(const struct LDKPrivateRoute *NONNULL_PTR orig); /** - * 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. + * Checks if two PrivateRoutes contain equal inner contents. */ -bool RouteHint_eq(const struct LDKRouteHint *NONNULL_PTR a, const struct LDKRouteHint *NONNULL_PTR b); +uint64_t PrivateRoute_hash(const struct LDKPrivateRoute *NONNULL_PTR o); /** - * Creates a copy of the RouteHint + * 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 LDKRouteHint RouteHint_clone(const struct LDKRouteHint *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: @@ -18111,23 +20968,55 @@ MUST_USE_RES bool SignedRawInvoice_check_signature(const struct LDKSignedRawInvo */ MUST_USE_RES struct LDKThirtyTwoBytes RawInvoice_hash(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKSha256 RawInvoice_payment_hash(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKDescription RawInvoice_description(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKPayeePubKey RawInvoice_payee_pub_key(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKSha256 RawInvoice_description_hash(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKExpiryTime RawInvoice_expiry_time(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKMinFinalCltvExpiry RawInvoice_min_final_cltv_expiry(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKThirtyTwoBytes RawInvoice_payment_secret(const struct LDKRawInvoice *NONNULL_PTR this_arg); +/** + * + * Note that the return value (or a relevant inner pointer) may be NULL or all-0s to represent None + */ MUST_USE_RES struct LDKInvoiceFeatures RawInvoice_features(const struct LDKRawInvoice *NONNULL_PTR this_arg); -MUST_USE_RES struct LDKCVec_RouteHintZ RawInvoice_routes(const struct LDKRawInvoice *NONNULL_PTR this_arg); +MUST_USE_RES struct LDKCVec_PrivateRouteZ RawInvoice_private_routes(const struct LDKRawInvoice *NONNULL_PTR this_arg); MUST_USE_RES struct LDKCOption_u64Z RawInvoice_amount_pico_btc(const struct LDKRawInvoice *NONNULL_PTR this_arg); @@ -18168,14 +21057,21 @@ MUST_USE_RES struct LDKSignedRawInvoice Invoice_into_signed_raw(struct LDKInvoic MUST_USE_RES struct LDKCResult_NoneSemanticErrorZ Invoice_check_signature(const struct LDKInvoice *NONNULL_PTR this_arg); /** - * Constructs an `Invoice` from a `SignedInvoice` by checking all its invariants. + * Constructs an `Invoice` from a `SignedRawInvoice` by checking all its invariants. * ``` * 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(); * @@ -18196,6 +21092,8 @@ MUST_USE_RES const uint8_t (*Invoice_payment_hash(const struct LDKInvoice *NONNU /** * Get the payee's public key 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 LDKPublicKey Invoice_payee_pub_key(const struct LDKInvoice *NONNULL_PTR this_arg); @@ -18206,6 +21104,8 @@ MUST_USE_RES struct LDKThirtyTwoBytes Invoice_payment_secret(const struct LDKInv /** * Get the invoice features if they were 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 LDKInvoiceFeatures Invoice_features(const struct LDKInvoice *NONNULL_PTR this_arg); @@ -18228,7 +21128,12 @@ MUST_USE_RES uint64_t Invoice_min_final_cltv_expiry(const struct LDKInvoice *NON /** * Returns a list of all routes included in the invoice */ -MUST_USE_RES struct LDKCVec_RouteHintZ Invoice_routes(const struct LDKInvoice *NONNULL_PTR this_arg); +MUST_USE_RES struct LDKCVec_PrivateRouteZ Invoice_private_routes(const struct LDKInvoice *NONNULL_PTR this_arg); + +/** + * Returns a list of all routes included in the invoice as the underlying hints + */ +MUST_USE_RES struct LDKCVec_RouteHintZ Invoice_route_hints(const struct LDKInvoice *NONNULL_PTR this_arg); /** * Returns the currency for which the invoice was issued @@ -18278,20 +21183,40 @@ MUST_USE_RES uint64_t ExpiryTime_as_seconds(const struct LDKExpiryTime *NONNULL_ MUST_USE_RES uint64_t ExpiryTime_as_duration(const struct LDKExpiryTime *NONNULL_PTR this_arg); /** - * Create a new (partial) route from a list of hops + * Creates a new (partial) route from a list of hops */ -MUST_USE_RES struct LDKCResult_RouteHintCreationErrorZ RouteHint_new(struct LDKCVec_RouteHintHopZ hops); +MUST_USE_RES struct LDKCResult_PrivateRouteCreationErrorZ PrivateRoute_new(struct LDKRouteHint hops); /** - * Returrn the underlying vector of hops + * Returns the underlying list of hops */ -MUST_USE_RES struct LDKCVec_RouteHintHopZ RouteHint_into_inner(struct LDKRouteHint this_arg); +MUST_USE_RES struct LDKRouteHint PrivateRoute_into_inner(struct LDKPrivateRoute this_arg); /** * Creates a copy of the CreationError */ enum LDKCreationError CreationError_clone(const enum LDKCreationError *NONNULL_PTR orig); +/** + * Utility method to constructs a new DescriptionTooLong-variant CreationError + */ +enum LDKCreationError CreationError_description_too_long(void); + +/** + * Utility method to constructs a new RouteTooLong-variant CreationError + */ +enum LDKCreationError CreationError_route_too_long(void); + +/** + * Utility method to constructs a new TimestampOutOfBounds-variant CreationError + */ +enum LDKCreationError CreationError_timestamp_out_of_bounds(void); + +/** + * Utility method to constructs a new ExpiryTimeOutOfBounds-variant CreationError + */ +enum LDKCreationError CreationError_expiry_time_out_of_bounds(void); + /** * Checks if two CreationErrors contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -18308,6 +21233,56 @@ struct LDKStr CreationError_to_str(const enum LDKCreationError *NONNULL_PTR o); */ enum LDKSemanticError SemanticError_clone(const enum LDKSemanticError *NONNULL_PTR orig); +/** + * Utility method to constructs a new NoPaymentHash-variant SemanticError + */ +enum LDKSemanticError SemanticError_no_payment_hash(void); + +/** + * Utility method to constructs a new MultiplePaymentHashes-variant SemanticError + */ +enum LDKSemanticError SemanticError_multiple_payment_hashes(void); + +/** + * Utility method to constructs a new NoDescription-variant SemanticError + */ +enum LDKSemanticError SemanticError_no_description(void); + +/** + * Utility method to constructs a new MultipleDescriptions-variant SemanticError + */ +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 + */ +enum LDKSemanticError SemanticError_multiple_payment_secrets(void); + +/** + * Utility method to constructs a new InvalidFeatures-variant SemanticError + */ +enum LDKSemanticError SemanticError_invalid_features(void); + +/** + * Utility method to constructs a new InvalidRecoveryId-variant SemanticError + */ +enum LDKSemanticError SemanticError_invalid_recovery_id(void); + +/** + * Utility method to constructs a new InvalidSignature-variant SemanticError + */ +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. @@ -18329,6 +21304,16 @@ void SignOrCreationError_free(struct LDKSignOrCreationError this_ptr); */ struct LDKSignOrCreationError SignOrCreationError_clone(const struct LDKSignOrCreationError *NONNULL_PTR orig); +/** + * Utility method to constructs a new SignError-variant SignOrCreationError + */ +struct LDKSignOrCreationError SignOrCreationError_sign_error(void); + +/** + * Utility method to constructs a new CreationError-variant SignOrCreationError + */ +struct LDKSignOrCreationError SignOrCreationError_creation_error(enum LDKCreationError a); + /** * Checks if two SignOrCreationErrors contain equal inner contents. * This ignores pointers and is_owned flags and looks at the values in fields. @@ -18386,4 +21371,4 @@ struct LDKStr SiPrefix_to_str(const enum LDKSiPrefix *NONNULL_PTR o); #endif /* LDK_C_BINDINGS_H */ -#include +#include "ldk_ver.h"