#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
-#include <ldk_rust_types.h>
+#include "ldk_rust_types.h"
/**
* An error when accessing the chain via [`Access`].
*/
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
*/
* 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
*/
* 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
*/
/**
- * 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.
*
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
*/
*/
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
*/
struct LDKHTLCUpdate htlc_event;
};
struct {
- struct LDKOutPoint commitment_tx_broadcasted;
+ struct LDKOutPoint commitment_tx_confirmed;
};
};
} LDKMonitorEvent;
+/**
+ * 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.
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.
*/
-/**
- * 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
*/
* 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.
*/
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;
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 {
- /**
- * We received an error which included a full ChannelUpdate message.
- */
- LDKHTLCFailChannelUpdate_ChannelUpdateMessage,
- /**
- * We received an error which indicated only that a channel has been closed
- */
- LDKHTLCFailChannelUpdate_ChannelClosed,
+typedef struct MUST_USE_STRUCT LDKQueryChannelRange {
/**
- * We received an error which indicated only that a node has failed
+ * 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_NodeFailure,
+ LDKnativeQueryChannelRange *inner;
/**
- * Must be last for serialization purposes
+ * 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.
*/
- 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;
- /**
- * 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;
-} LDKQueryChannelRange;
+ bool is_owned;
+} LDKQueryChannelRange;
*/
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.
*/
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
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
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;
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.
*/
+/**
+ * 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
*/
* 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
*/
* 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
* 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.
* 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.
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)
* 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
*/
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 {
LDKAPIError_LDKFeeRateTooHigh_Body fee_rate_too_high;
LDKAPIError_LDKRouteError_Body route_error;
LDKAPIError_LDKChannelUnavailable_Body channel_unavailable;
+ LDKAPIError_LDKIncompatibleShutdownScript_Body incompatible_shutdown_script;
};
} LDKAPIError;
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.
*/
*/
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!
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
*/
} 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 {
- /**
- * 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,
+typedef enum LDKPaymentPurpose_Tag {
/**
- * 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.
+ * Information for receiving a payment that we generated an invoice for.
*/
- LDKEvent_PaymentReceived,
+ LDKPaymentPurpose_InvoicePayment,
/**
- * 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).
+ * Because this is a spontaneous payment, the payer generated their own preimage rather than us
+ * (the payee) providing a preimage.
*/
- LDKEvent_PaymentSent,
+ LDKPaymentPurpose_SpontaneousPayment,
/**
- * Indicates an outbound payment we made failed. Probably some intermediary node dropped
- * something. You may wish to retry with a different route.
+ * Must be last for serialization purposes
*/
- LDKEvent_PaymentFailed,
+ LDKPaymentPurpose_Sentinel,
+} LDKPaymentPurpose_Tag;
+
+typedef struct LDKPaymentPurpose_LDKInvoicePayment_Body {
/**
- * Used to indicate that ChannelManager::process_pending_htlc_forwards should be called at a
- * time in the future.
+ * 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_PendingHTLCsForwardable,
+ struct LDKThirtyTwoBytes payment_preimage;
/**
- * 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
+ * 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 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
*/
* 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
*/
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 {
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.
*/
* 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 {
/**
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;
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
*/
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
*/
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++
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;
+
/**
+/**
+ * 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
*/
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
*/
*
* 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.
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
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.
/**
- * 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.
* 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
* starting at the node *after* the provided publickey and including batch_amount entries
* immediately higher (as defined by <PublicKey as Ord>::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);
/**
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;
+
/**
*
* 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 {
/**
* 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);
/**
*/
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.
/**
- * 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 {
/**
/**
- * A simple newtype for RwLockReadGuard<'a, NetworkGraph>.
- * This exists only to make accessing a RwLock<NetworkGraph> possible from
- * the C bindings, as it can be done directly in Rust code.
+ * A read-only view of [`NetworkGraph`].
*/
-typedef struct MUST_USE_STRUCT LDKLockedNetworkGraph {
+typedef struct MUST_USE_STRUCT LDKReadOnlyNetworkGraph {
/**
* A pointer to the opaque Rust object.
* Nearly everywhere, inner must be non-null, however in places where
* the Rust equivalent takes an Option, it may be set to null to indicate None.
*/
- LDKnativeLockedNetworkGraph *inner;
+ LDKnativeReadOnlyNetworkGraph *inner;
/**
* Indicates that this is the only struct which contains the same pointer.
* Rust functions which take ownership of an object provided via an argument require
* this to be true and invalidate the object pointed to by inner.
*/
bool is_owned;
-} LDKLockedNetworkGraph;
+} LDKReadOnlyNetworkGraph;
* 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 {
/**
/**
- * 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.
+ *
+ * It will also call [`PeerManager::process_events`] periodically though this shouldn't be relied
+ * upon as doing so may result in high latency.
+ *
+ * # Note
*
- * 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.
+ * 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 {
/**
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;
*/
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.
*/
*/
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.
*/
*/
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.
*/
*/
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.
*/
*/
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.
*/
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.
*/
*/
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.
*/
* Creates a new CResult_OutPointDecodeErrorZ which has the same data as `orig`
* but with all dynamically-allocated buffers duplicated in new buffers.
*/
-struct LDKCResult_OutPointDecodeErrorZ CResult_OutPointDecodeErrorZ_clone(const struct LDKCResult_OutPointDecodeErrorZ *NONNULL_PTR orig);
+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.
*/
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.
*/
*/
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.
*/
*/
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.
*/
*/
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.
*/
*/
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.
*/
*/
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
*/
*/
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
*/
*/
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 APIError_free(struct LDKAPIError this_ptr);
/**
- * Creates a copy of the APIError
+ * 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);
+
+/**
+ * Utility method to constructs a new RouteError-variant APIError
+ */
+struct LDKAPIError APIError_route_error(struct LDKStr err);
+
+/**
+ * Utility method to constructs a new ChannelUnavailable-variant APIError
+ */
+struct LDKAPIError APIError_channel_unavailable(struct LDKStr err);
+
+/**
+ * Utility method to constructs a new MonitorUpdateFailed-variant APIError
+ */
+struct LDKAPIError APIError_monitor_update_failed(void);
+
+/**
+ * Utility method to constructs a new IncompatibleShutdownScript-variant APIError
+ */
+struct LDKAPIError APIError_incompatible_shutdown_script(struct LDKShutdownScript script);
+
+/**
+ * Creates a digital signature of a message given a SecretKey, like the node's secret.
+ * A receiver knowing the PublicKey (e.g. the node's id) and the message can be sure that the signature was generated by the caller.
+ * 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, const uint8_t (*sk)[32]);
+
+/**
+ * Recovers the PublicKey of the signer of the message given the message and the signature.
+ */
+struct LDKCResult_PublicKeyErrorZ recover_pk(struct LDKu8slice msg, struct LDKStr sig);
+
+/**
+ * Verifies a message was signed by a PrivateKey that derives to a given PublicKey, given a message, a signature,
+ * and the PublicKey.
+ */
+bool verify(struct LDKu8slice msg, struct LDKStr sig, struct LDKPublicKey pk);
+
+/**
+ * Creates a copy of the Level
+ */
+enum LDKLevel Level_clone(const enum LDKLevel *NONNULL_PTR orig);
+
+/**
+ * Utility method to constructs a new Trace-variant Level
*/
-struct LDKAPIError APIError_clone(const struct LDKAPIError *NONNULL_PTR orig);
+enum LDKLevel Level_trace(void);
/**
- * 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.
+ * Utility method to constructs a new Debug-variant Level
*/
-struct LDKCResult_StringErrorZ sign(struct LDKu8slice msg, struct LDKSecretKey sk);
+enum LDKLevel Level_debug(void);
/**
- * Recovers the PublicKey of the signer of the message given the message and the signature.
+ * Utility method to constructs a new Info-variant Level
*/
-struct LDKCResult_PublicKeyErrorZ recover_pk(struct LDKu8slice msg, struct LDKStr sig);
+enum LDKLevel Level_info(void);
/**
- * Verifies a message was signed by a PrivateKey that derives to a given PublicKey, given a message, a signature,
- * and the PublicKey.
+ * Utility method to constructs a new Warn-variant Level
*/
-bool verify(struct LDKu8slice msg, struct LDKStr sig, struct LDKPublicKey pk);
+enum LDKLevel Level_warn(void);
/**
- * Creates a copy of the Level
+ * Utility method to constructs a new Error-variant Level
*/
-enum LDKLevel Level_clone(const enum LDKLevel *NONNULL_PTR orig);
+enum LDKLevel Level_error(void);
/**
* Checks if two Levels contain equal inner contents.
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);
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
* 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.
*
* 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.
*
*/
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
*/
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
*/
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
*/
/**
* 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);
*/
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
*/
* 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.
*/
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.
*/
*/
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.
*/
*/
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.
*/
*/
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
*/
*/
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
*/
* Sign::channel_keys_id and is provided inside DynamicOuputP2WSH in case of
* onchain output detection for which a corresponding delayed_payment_key must be derived.
*/
-MUST_USE_RES struct LDKInMemorySigner KeysManager_derive_channel_keys(const struct LDKKeysManager *NONNULL_PTR this_arg, uint64_t channel_value_satoshis, const uint8_t (*params)[32]);
+MUST_USE_RES struct LDKInMemorySigner KeysManager_derive_channel_keys(const struct LDKKeysManager *NONNULL_PTR this_arg, uint64_t channel_value_satoshis, const uint8_t (*params)[32]);
+
+/**
+ * Creates a Transaction which spends the given descriptors to the given outputs, plus an
+ * output to the given change destination (if sufficient change value remains). The
+ * transaction will have a feerate, at least, of the given value.
+ *
+ * Returns `Err(())` if the output value is greater than the input value minus required fee or
+ * if a descriptor was duplicated.
+ *
+ * We do not enforce that outputs meet the dust limit or that any output scripts are standard.
+ *
+ * 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);
+
+/**
+ * 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);
+
+/**
+ * Amount in millionths of a satoshi the channel will charge per transferred satoshi.
+ */
+uint32_t CounterpartyForwardingInfo_get_fee_proportional_millionths(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr);
/**
- * Creates a Transaction which spends the given descriptors to the given outputs, plus an
- * output to the given change destination (if sufficient change value remains). The
- * transaction will have a feerate, at least, of the given value.
- *
- * Returns `Err(())` if the output value is greater than the input value minus required fee or
- * if a descriptor was duplicated.
- *
- * We do not enforce that outputs meet the dust limit or that any output scripts are standard.
- *
- * May panic if the `SpendableOutputDescriptor`s were not generated by Channels which used
- * this KeysManager or one of the `InMemorySigner` created by this KeysManager.
+ * Amount in millionths of a satoshi the channel will charge per transferred satoshi.
*/
-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);
+void CounterpartyForwardingInfo_set_fee_proportional_millionths(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
+ * 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.
*/
-struct LDKKeysInterface KeysManager_as_KeysInterface(const struct LDKKeysManager *NONNULL_PTR this_arg);
+uint16_t CounterpartyForwardingInfo_get_cltv_expiry_delta(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr);
/**
- * Frees any resources used by the ChannelManager, 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 ChannelManager_free(struct LDKChannelManager this_obj);
+void CounterpartyForwardingInfo_set_cltv_expiry_delta(struct LDKCounterpartyForwardingInfo *NONNULL_PTR this_ptr, uint16_t val);
/**
- * Frees any resources used by the ChainParameters, if is_owned is set and inner is non-NULL.
+ * Constructs a new CounterpartyForwardingInfo given each field
*/
-void ChainParameters_free(struct LDKChainParameters this_obj);
+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 network for determining the `chain_hash` in Lightning messages.
+ * Creates a copy of the CounterpartyForwardingInfo
*/
-enum LDKNetwork ChainParameters_get_network(const struct LDKChainParameters *NONNULL_PTR this_ptr);
+struct LDKCounterpartyForwardingInfo CounterpartyForwardingInfo_clone(const struct LDKCounterpartyForwardingInfo *NONNULL_PTR orig);
/**
- * The network for determining the `chain_hash` in Lightning messages.
+ * Frees any resources used by the ChannelCounterparty, if is_owned is set and inner is non-NULL.
*/
-void ChainParameters_set_network(struct LDKChainParameters *NONNULL_PTR this_ptr, enum LDKNetwork val);
+void ChannelCounterparty_free(struct LDKChannelCounterparty this_obj);
/**
- * The hash and height of the latest block successfully connected.
- *
- * Used to track on-chain channel funding outputs and send payments with reliable timelocks.
+ * The node_id of our counterparty
*/
-struct LDKBestBlock ChainParameters_get_best_block(const struct LDKChainParameters *NONNULL_PTR this_ptr);
+struct LDKPublicKey ChannelCounterparty_get_node_id(const struct LDKChannelCounterparty *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.
+ * The node_id of our counterparty
*/
-void ChainParameters_set_best_block(struct LDKChainParameters *NONNULL_PTR this_ptr, struct LDKBestBlock val);
+void ChannelCounterparty_set_node_id(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKPublicKey val);
/**
- * Constructs a new ChainParameters given each field
+ * 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.
*/
-MUST_USE_RES struct LDKChainParameters ChainParameters_new(enum LDKNetwork network_arg, struct LDKBestBlock best_block_arg);
+struct LDKInitFeatures ChannelCounterparty_get_features(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr);
/**
- * Creates a copy of the ChainParameters
+ * 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 LDKChainParameters ChainParameters_clone(const struct LDKChainParameters *NONNULL_PTR orig);
+void ChannelCounterparty_set_features(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKInitFeatures val);
/**
- * Frees any resources used by the BestBlock, if is_owned is set and inner is non-NULL.
+ * 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
*/
-void BestBlock_free(struct LDKBestBlock this_obj);
+uint64_t ChannelCounterparty_get_unspendable_punishment_reserve(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr);
/**
- * Creates a copy of the BestBlock
+ * 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
*/
-struct LDKBestBlock BestBlock_clone(const struct LDKBestBlock *NONNULL_PTR orig);
+void ChannelCounterparty_set_unspendable_punishment_reserve(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, uint64_t val);
/**
- * Returns the best block from the genesis of the given network.
+ * 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 LDKBestBlock BestBlock_from_genesis(enum LDKNetwork network);
+struct LDKCounterpartyForwardingInfo ChannelCounterparty_get_forwarding_info(const struct LDKChannelCounterparty *NONNULL_PTR this_ptr);
/**
- * Returns the best block as identified by the given block hash and 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 struct LDKBestBlock BestBlock_new(struct LDKThirtyTwoBytes block_hash, uint32_t height);
+void ChannelCounterparty_set_forwarding_info(struct LDKChannelCounterparty *NONNULL_PTR this_ptr, struct LDKCounterpartyForwardingInfo val);
/**
- * Returns the best block hash.
+ * Constructs a new ChannelCounterparty given each field
*/
-MUST_USE_RES struct LDKThirtyTwoBytes BestBlock_block_hash(const struct LDKBestBlock *NONNULL_PTR this_arg);
+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);
/**
- * Returns the best block height.
+ * Creates a copy of the ChannelCounterparty
*/
-MUST_USE_RES uint32_t BestBlock_height(const struct LDKBestBlock *NONNULL_PTR this_arg);
+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.
*/
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);
*
* 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);
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.
* 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);
* 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);
* 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);
* 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.
*/
* 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);
* 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`.
*/
/**
* 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`.
*/
*/
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
*/
*/
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.
*
*
* 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);
* 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.
* 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.
*
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);
* The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) must be globally unique. This
* method may return an Err if another payment with the same payment_hash is still pending.
*
- * `user_payment_id` will be provided back in [`PaymentReceived::user_payment_id`] events to
+ * `user_payment_id` will be provided back in [`PaymentPurpose::InvoicePayment::user_payment_id`] events to
* allow tracking of which events correspond with which calls to this and
* [`create_inbound_payment`]. `user_payment_id` has no meaning inside of LDK, it is simply
* copied to events and otherwise ignored. It may be used to correlate PaymentReceived events
*
* [`create_inbound_payment`]: Self::create_inbound_payment
* [`PaymentReceived`]: events::Event::PaymentReceived
- * [`PaymentReceived::user_payment_id`]: events::Event::PaymentReceived::user_payment_id
+ * [`PaymentPurpose::InvoicePayment::user_payment_id`]: events::PaymentPurpose::InvoicePayment::user_payment_id
*/
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);
*/
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
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);
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);
*/
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.
*/
*/
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
*/
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
*/
*/
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.
*/
*/
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
*/
/**
* 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);
*/
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
*/
*/
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
*/
/**
* Serialize the QueryShortChannelIds object into a byte array which can be read by QueryShortChannelIds_read
*/
-struct LDKCVec_u8Z QueryShortChannelIds_write(const struct LDKQueryShortChannelIds *NONNULL_PTR obj);
-
-/**
- * Read a ReplyShortChannelIdsEnd from a byte array, created by ReplyShortChannelIdsEnd_write
- */
-struct LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ ReplyShortChannelIdsEnd_read(struct LDKu8slice ser);
+struct LDKCVec_u8Z QueryShortChannelIds_write(const struct LDKQueryShortChannelIds *NONNULL_PTR obj);
/**
* Serialize the ReplyShortChannelIdsEnd object into a byte array which can be read by ReplyShortChannelIdsEnd_read
struct LDKCVec_u8Z ReplyShortChannelIdsEnd_write(const struct LDKReplyShortChannelIdsEnd *NONNULL_PTR obj);
/**
- *\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
+ * Read a ReplyShortChannelIdsEnd from a byte array, created by ReplyShortChannelIdsEnd_write
*/
-MUST_USE_RES uint32_t QueryChannelRange_end_blocknum(const struct LDKQueryChannelRange *NONNULL_PTR this_arg);
+struct LDKCResult_ReplyShortChannelIdsEndDecodeErrorZ ReplyShortChannelIdsEnd_read(struct LDKu8slice ser);
/**
- * Read a QueryChannelRange from a byte array, created by QueryChannelRange_write
+ *\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
*/
-struct LDKCResult_QueryChannelRangeDecodeErrorZ QueryChannelRange_read(struct LDKu8slice ser);
+MUST_USE_RES uint32_t QueryChannelRange_end_blocknum(const struct LDKQueryChannelRange *NONNULL_PTR this_arg);
/**
* Serialize the QueryChannelRange object into a byte array which can be read by QueryChannelRange_read
*/
struct LDKCVec_u8Z QueryChannelRange_write(const struct LDKQueryChannelRange *NONNULL_PTR obj);
+/**
+ * Read a QueryChannelRange from a byte array, created by QueryChannelRange_write
+ */
+struct LDKCResult_QueryChannelRangeDecodeErrorZ QueryChannelRange_read(struct LDKu8slice ser);
+
/**
* Read a ReplyChannelRange from a byte array, created by ReplyChannelRange_write
*/
*/
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.
*/
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.
*/
/**
* 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);
* 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.
*
* 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);
* 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);
*
* 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);
*
* 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);
*/
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.
/**
* 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);
*/
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.
*/
* 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);
*/
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
*/
*/
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
*/
*/
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
*/
*/
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.
*/
*/
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.
*/
*/
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
*/
*/
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.
*/
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
*/
*/
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.
- * 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);
+uint64_t RouteHint_hash(const struct LDKRouteHint *NONNULL_PTR o);
/**
- * Creates a copy of the RouteHint
+ * 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.
*/
-struct LDKRouteHint RouteHint_clone(const struct LDKRouteHint *NONNULL_PTR orig);
+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.
*/
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.
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).
* 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_RouteHintZ last_hops, uint64_t final_value_msat, uint32_t final_cltv, struct LDKLogger logger);
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
*/
-void LockedNetworkGraph_free(struct LDKLockedNetworkGraph this_obj);
+struct LDKEventHandler NetGraphMsgHandler_as_EventHandler(const struct LDKNetGraphMsgHandler *NONNULL_PTR this_arg);
/**
* Frees any resources used by the NetGraphMsgHandler, if is_owned is set and inner is non-NULL.
*/
void NetGraphMsgHandler_free(struct LDKNetGraphMsgHandler this_obj);
+/**
+ * Representation of the payment channel network
+ */
+struct LDKNetworkGraph NetGraphMsgHandler_get_network_graph(const struct LDKNetGraphMsgHandler *NONNULL_PTR this_ptr);
+
+/**
+ * Representation of the payment channel network
+ */
+void NetGraphMsgHandler_set_network_graph(struct LDKNetGraphMsgHandler *NONNULL_PTR this_ptr, struct LDKNetworkGraph val);
+
/**
* Creates a new tracker of the actual state of the network of channels and nodes,
- * assuming 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.
* 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);
* 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);
/**
* 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);
/**
* 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);
* 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);
* 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);
*/
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
*/
* 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);
* 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);
* 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);
* 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);
* 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);
* 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);
*/
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.
* 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
* 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.
* 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
* 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.
* 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
* 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.
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);
*/
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.
*/
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.
*/
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.
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.
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.
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.
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
*/
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.
*/
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.
bool InvoiceSignature_eq(const struct LDKInvoiceSignature *NONNULL_PTR a, const struct LDKInvoiceSignature *NONNULL_PTR b);
/**
- * Creates a copy of the InvoiceSignature
+ * Frees any resources used by the PrivateRoute, if is_owned is set and inner is non-NULL.
*/
-struct LDKInvoiceSignature InvoiceSignature_clone(const struct LDKInvoiceSignature *NONNULL_PTR orig);
+void PrivateRoute_free(struct LDKPrivateRoute this_obj);
/**
- * Frees any resources used by the PrivateRoute, if is_owned is set and inner is non-NULL.
+ * Creates a copy of the PrivateRoute
*/
-void PrivateRoute_free(struct LDKPrivateRoute this_obj);
+struct LDKPrivateRoute PrivateRoute_clone(const struct LDKPrivateRoute *NONNULL_PTR orig);
/**
* Checks if two PrivateRoutes contain equal inner contents.
- * This ignores pointers and is_owned flags and looks at the values in fields.
- * Two objects with NULL inner values will be considered "equal" here.
*/
-bool PrivateRoute_eq(const struct LDKPrivateRoute *NONNULL_PTR a, const struct LDKPrivateRoute *NONNULL_PTR b);
+uint64_t PrivateRoute_hash(const struct LDKPrivateRoute *NONNULL_PTR o);
/**
- * Creates a copy of the PrivateRoute
+ * Checks if two PrivateRoutes contain equal inner contents.
+ * This ignores pointers and is_owned flags and looks at the values in fields.
+ * Two objects with NULL inner values will be considered "equal" here.
*/
-struct LDKPrivateRoute PrivateRoute_clone(const struct LDKPrivateRoute *NONNULL_PTR orig);
+bool PrivateRoute_eq(const struct LDKPrivateRoute *NONNULL_PTR a, const struct LDKPrivateRoute *NONNULL_PTR b);
/**
* Disassembles the `SignedRawInvoice` into its three parts:
*/
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_PrivateRouteZ RawInvoice_private_routes(const struct LDKRawInvoice *NONNULL_PTR this_arg);
* ```
* 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::<SignedRawInvoice>().unwrap();
*
/**
* 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);
/**
* 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);
*/
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.
*/
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.
*/
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.
#endif /* LDK_C_BINDINGS_H */
-#include <ldk_ver.h>
+#include "ldk_ver.h"
projects / ldk-c-bindings / blobdiff