#include <stdlib.h>
/**
- * Used to give chain error details upstream
+ * An error when accessing the chain via [`Access`].
+ *
+ * [`Access`]: trait.Access.html
*/
-typedef enum LDKChainError {
- /**
- * Client doesn't support UTXO lookup (but the chain hash matches our genesis block hash)
- */
- LDKChainError_NotSupported,
+typedef enum LDKAccessError {
/**
- * Chain isn't the one watched
+ * The requested chain is unknown.
*/
- LDKChainError_NotWatched,
+ LDKAccessError_UnknownChain,
/**
- * Tx doesn't exist or is unconfirmed
+ * The requested transaction doesn't exist or hasn't confirmed.
*/
- LDKChainError_UnknownTx,
+ LDKAccessError_UnknownTx,
/**
* Must be last for serialization purposes
*/
- LDKChainError_Sentinel,
-} LDKChainError;
+ LDKAccessError_Sentinel,
+} LDKAccessError;
/**
* An error enum representing a failure to persist a channel monitor update.
* Note that even when you fail a holder commitment transaction update, you must store the
* update to ensure you can claim from it in case of a duplicate copy of this ChannelMonitor
* broadcasts it (e.g distributed channel-monitor deployment)
+ *
+ * In case of distributed watchtowers deployment, the new version must be written to disk, as
+ * state may have been stored but rejected due to a block forcing a commitment broadcast. This
+ * storage is used to claim outputs of rejected state confirmed onchain by another watchtower,
+ * lagging behind on block processing.
*/
LDKChannelMonitorUpdateErr_PermanentFailure,
/**
LDKSecp256k1Error_Sentinel,
} LDKSecp256k1Error;
+/**
+ * A serialized transaction, in (pointer, length) form.
+ *
+ * This type optionally owns its own memory, and thus the semantics around access change based on
+ * the `data_is_owned` flag. If `data_is_owned` is set, you must call `Transaction_free` to free
+ * the underlying buffer before the object goes out of scope. If `data_is_owned` is not set, any
+ * access to the buffer after the scope in which the object was provided to you is invalid. eg,
+ * access after you return from the call in which a `!data_is_owned` `Transaction` is provided to
+ * you would be invalid.
+ *
+ * Note that, while it may change in the future, because transactions on the Rust side are stored
+ * in a deserialized form, all `Transaction`s generated on the Rust side will have `data_is_owned`
+ * set. Similarly, while it may change in the future, all `Transaction`s you pass to Rust may have
+ * `data_is_owned` either set or unset at your discretion.
+ */
+typedef struct LDKTransaction {
+ const uint8_t *data;
+ uintptr_t datalen;
+ bool data_is_owned;
+} LDKTransaction;
+
typedef struct LDKCVecTempl_u8 {
uint8_t *data;
uintptr_t datalen;
uint64_t value;
} LDKTxOut;
+typedef struct LDKC2TupleTempl_usize__Transaction {
+ uintptr_t *a;
+ LDKTransaction *b;
+} LDKC2TupleTempl_usize__Transaction;
+
+typedef LDKC2TupleTempl_usize__Transaction LDKC2Tuple_usizeTransactionZ;
+
+typedef union LDKCResultPtr_u8__ChannelMonitorUpdateErr {
+ uint8_t *result;
+ LDKChannelMonitorUpdateErr *err;
+} LDKCResultPtr_u8__ChannelMonitorUpdateErr;
+
+typedef struct LDKCResultTempl_u8__ChannelMonitorUpdateErr {
+ LDKCResultPtr_u8__ChannelMonitorUpdateErr contents;
+ bool result_ok;
+} LDKCResultTempl_u8__ChannelMonitorUpdateErr;
+
+typedef LDKCResultTempl_u8__ChannelMonitorUpdateErr LDKCResult_NoneChannelMonitorUpdateErrZ;
+
+
+
+/**
+ * General Err type for ChannelMonitor actions. Generally, this implies that the data provided is
+ * inconsistent with the ChannelMonitor being called. eg for ChannelMonitor::update_monitor this
+ * means you tried to update a monitor for a different channel or the ChannelMonitorUpdate was
+ * corrupted.
+ * Contains a human-readable error message.
+ */
+typedef struct MUST_USE_STRUCT LDKMonitorUpdateError {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeMonitorUpdateError *inner;
+ bool is_owned;
+} LDKMonitorUpdateError;
+
+typedef union LDKCResultPtr_u8__MonitorUpdateError {
+ uint8_t *result;
+ LDKMonitorUpdateError *err;
+} LDKCResultPtr_u8__MonitorUpdateError;
+
+typedef struct LDKCResultTempl_u8__MonitorUpdateError {
+ LDKCResultPtr_u8__MonitorUpdateError contents;
+ bool result_ok;
+} LDKCResultTempl_u8__MonitorUpdateError;
+
+typedef LDKCResultTempl_u8__MonitorUpdateError LDKCResult_NoneMonitorUpdateErrorZ;
+
+
+
+/**
+ * A reference to a transaction output.
+ *
+ * Differs from bitcoin::blockdata::transaction::OutPoint as the index is a u16 instead of u32
+ * due to LN's restrictions on index values. Should reduce (possibly) unsafe conversions this way.
+ */
+typedef struct MUST_USE_STRUCT LDKOutPoint {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeOutPoint *inner;
+ bool is_owned;
+} LDKOutPoint;
+
+typedef struct LDKC2TupleTempl_OutPoint__CVec_u8Z {
+ LDKOutPoint *a;
+ LDKCVec_u8Z *b;
+} LDKC2TupleTempl_OutPoint__CVec_u8Z;
+
+typedef LDKC2TupleTempl_OutPoint__CVec_u8Z LDKC2Tuple_OutPointScriptZ;
+
/**
* Arbitrary 32 bytes, which could represent one of a few different things. You probably want to
* look up the corresponding function in rust-lightning's docs.
uint8_t data[32];
} LDKThirtyTwoBytes;
-typedef struct LDKC2TupleTempl_ThirtyTwoBytes__u32 {
- LDKThirtyTwoBytes *a;
- uint32_t *b;
-} LDKC2TupleTempl_ThirtyTwoBytes__u32;
+typedef struct LDKCVecTempl_TxOut {
+ LDKTxOut *data;
+ uintptr_t datalen;
+} LDKCVecTempl_TxOut;
-typedef LDKC2TupleTempl_ThirtyTwoBytes__u32 LDKC2Tuple_Txidu32Z;
+typedef struct LDKC2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut {
+ LDKThirtyTwoBytes *a;
+ LDKCVecTempl_TxOut *b;
+} LDKC2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut;
-typedef struct LDKC2TupleTempl_CVec_u8Z__u64 {
- LDKCVec_u8Z *a;
- uint64_t *b;
-} LDKC2TupleTempl_CVec_u8Z__u64;
+typedef LDKC2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut LDKC2Tuple_TxidCVec_TxOutZZ;
-typedef LDKC2TupleTempl_CVec_u8Z__u64 LDKC2Tuple_Scriptu64Z;
+typedef LDKCVecTempl_TxOut LDKCVec_TxOutZ;
typedef struct LDKC2TupleTempl_u64__u64 {
uint64_t *a;
*/
LDKAPIError_ChannelUnavailable,
/**
- * An attempt to call add/update_monitor returned an Err (ie you did this!), causing the
+ * An attempt to call watch/update_channel returned an Err (ie you did this!), causing the
* attempted action to fail.
*/
LDKAPIError_MonitorUpdateFailed,
typedef LDKCResultTempl_u8__PaymentSendFailure LDKCResult_NonePaymentSendFailureZ;
-typedef union LDKCResultPtr_u8__ChannelMonitorUpdateErr {
- uint8_t *result;
- LDKChannelMonitorUpdateErr *err;
-} LDKCResultPtr_u8__ChannelMonitorUpdateErr;
-
-typedef struct LDKCResultTempl_u8__ChannelMonitorUpdateErr {
- LDKCResultPtr_u8__ChannelMonitorUpdateErr contents;
- bool result_ok;
-} LDKCResultTempl_u8__ChannelMonitorUpdateErr;
-
-typedef LDKCResultTempl_u8__ChannelMonitorUpdateErr LDKCResult_NoneChannelMonitorUpdateErrZ;
-
-
-
-/**
- * General Err type for ChannelMonitor actions. Generally, this implies that the data provided is
- * inconsistent with the ChannelMonitor being called. eg for ChannelMonitor::update_monitor this
- * means you tried to update a monitor for a different channel or the ChannelMonitorUpdate was
- * corrupted.
- * Contains a human-readable error message.
- */
-typedef struct MUST_USE_STRUCT LDKMonitorUpdateError {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeMonitorUpdateError *inner;
- bool is_owned;
-} LDKMonitorUpdateError;
-
-typedef union LDKCResultPtr_u8__MonitorUpdateError {
- uint8_t *result;
- LDKMonitorUpdateError *err;
-} LDKCResultPtr_u8__MonitorUpdateError;
-
-typedef struct LDKCResultTempl_u8__MonitorUpdateError {
- LDKCResultPtr_u8__MonitorUpdateError contents;
- bool result_ok;
-} LDKCResultTempl_u8__MonitorUpdateError;
-
-typedef LDKCResultTempl_u8__MonitorUpdateError LDKCResult_NoneMonitorUpdateErrorZ;
-
-
-
-/**
- * A reference to a transaction output.
- *
- * Differs from bitcoin::blockdata::transaction::OutPoint as the index is a u16 instead of u32
- * due to LN's restrictions on index values. Should reduce (possibly) unsafe conversions this way.
- */
-typedef struct MUST_USE_STRUCT LDKOutPoint {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeOutPoint *inner;
- bool is_owned;
-} LDKOutPoint;
-
-typedef struct LDKC2TupleTempl_OutPoint__CVec_u8Z {
- LDKOutPoint *a;
- LDKCVec_u8Z *b;
-} LDKC2TupleTempl_OutPoint__CVec_u8Z;
-
-typedef LDKC2TupleTempl_OutPoint__CVec_u8Z LDKC2Tuple_OutPointScriptZ;
-
/**
bool is_owned;
} LDKUserConfig;
-typedef union LDKCResultPtr_C2TupleTempl_CVec_u8Z__u64_____ChainError {
- LDKC2TupleTempl_CVec_u8Z__u64 *result;
- LDKChainError *err;
-} LDKCResultPtr_C2TupleTempl_CVec_u8Z__u64_____ChainError;
+typedef union LDKCResultPtr_TxOut__AccessError {
+ LDKTxOut *result;
+ LDKAccessError *err;
+} LDKCResultPtr_TxOut__AccessError;
-typedef struct LDKCResultTempl_C2TupleTempl_CVec_u8Z__u64_____ChainError {
- LDKCResultPtr_C2TupleTempl_CVec_u8Z__u64_____ChainError contents;
+typedef struct LDKCResultTempl_TxOut__AccessError {
+ LDKCResultPtr_TxOut__AccessError contents;
bool result_ok;
-} LDKCResultTempl_C2TupleTempl_CVec_u8Z__u64_____ChainError;
-
-typedef LDKCResultTempl_C2TupleTempl_CVec_u8Z__u64_____ChainError LDKCResult_C2Tuple_Scriptu64ZChainErrorZ;
-
-typedef struct LDKCVecTempl_usize {
- uintptr_t *data;
- uintptr_t datalen;
-} LDKCVecTempl_usize;
-
-typedef LDKCVecTempl_usize LDKCVec_usizeZ;
-
-/**
- * An interface to request notification of certain scripts as they appear the
- * chain.
- *
- * Note that all of the functions implemented here *must* be reentrant-safe (obviously - they're
- * called from inside the library in response to ChainListener events, P2P events, or timer
- * events).
- */
-typedef struct LDKChainWatchInterface {
- void *this_arg;
- /**
- * Provides a txid/random-scriptPubKey-in-the-tx which much be watched for.
- */
- void (*install_watch_tx)(const void *this_arg, const uint8_t (*txid)[32], LDKu8slice script_pub_key);
- /**
- * Provides an outpoint which must be watched for, providing any transactions which spend the
- * given outpoint.
- */
- void (*install_watch_outpoint)(const void *this_arg, LDKC2Tuple_Txidu32Z outpoint, LDKu8slice out_script);
- /**
- * Indicates that a listener needs to see all transactions.
- */
- void (*watch_all_txn)(const void *this_arg);
- /**
- * Gets the script and value in satoshis for a given unspent transaction output given a
- * short_channel_id (aka unspent_tx_output_identier). For BTC/tBTC channels the top three
- * bytes are the block height, the next 3 the transaction index within the block, and the
- * final two the output within the transaction.
- */
- LDKCResult_C2Tuple_Scriptu64ZChainErrorZ (*get_chain_utxo)(const void *this_arg, LDKThirtyTwoBytes genesis_hash, uint64_t unspent_tx_output_identifier);
- /**
- * Gets the list of transaction indices within a given block that the ChainWatchInterface is
- * watching for.
- */
- LDKCVec_usizeZ (*filter_block)(const void *this_arg, LDKu8slice block);
- /**
- * Returns a usize that changes when the ChainWatchInterface's watched data is modified.
- * Users of `filter_block` should pre-save a copy of `reentered`'s return value and use it to
- * determine whether they need to re-filter a given block.
- */
- uintptr_t (*reentered)(const void *this_arg);
- void (*free)(void *this_arg);
-} LDKChainWatchInterface;
-
-/**
- * A reference to a serialized transaction, in (pointer, length) form.
- * This type does *not* own its own memory, so access to it after, eg, the call in which it was
- * provided to you are invalid.
- */
-typedef struct LDKTransaction {
- const uint8_t *data;
- uintptr_t datalen;
-} LDKTransaction;
-
-/**
- * An interface to send a transaction to the Bitcoin network.
- */
-typedef struct LDKBroadcasterInterface {
- void *this_arg;
- /**
- * Sends a transaction out to (hopefully) be mined.
- */
- void (*broadcast_transaction)(const void *this_arg, LDKTransaction tx);
- void (*free)(void *this_arg);
-} LDKBroadcasterInterface;
-
-typedef struct LDKCVecTempl_CVec_u8Z {
- LDKCVec_u8Z *data;
- uintptr_t datalen;
-} LDKCVecTempl_CVec_u8Z;
-
-typedef LDKCVecTempl_CVec_u8Z LDKCVec_TransactionZ;
+} LDKCResultTempl_TxOut__AccessError;
-typedef struct LDKusizeslice {
- const uintptr_t *data;
- uintptr_t datalen;
-} LDKusizeslice;
-
-/**
- * A trait indicating a desire to listen for events from the chain
- */
-typedef struct LDKChainListener {
- void *this_arg;
- /**
- * Notifies a listener that a block was connected.
- *
- * The txn_matched array should be set to references to transactions which matched the
- * relevant installed watch outpoints/txn, or the full set of transactions in the block.
- *
- * Note that if txn_matched includes only matched transactions, and a new
- * transaction/outpoint is watched during a block_connected call, the block *must* be
- * re-scanned with the new transaction/outpoints and block_connected should be called
- * again with the same header and (at least) the new transactions.
- *
- * Note that if non-new transaction/outpoints are be registered during a call, a second call
- * *must not* happen.
- *
- * This also means those counting confirmations using block_connected callbacks should watch
- * for duplicate headers and not count them towards confirmations!
- */
- void (*block_connected)(const void *this_arg, const uint8_t (*header)[80], uint32_t height, LDKCVec_TransactionZ txn_matched, LDKusizeslice indexes_of_txn_matched);
- /**
- * Notifies a listener that a block was disconnected.
- * Unlike block_connected, this *must* never be called twice for the same disconnect event.
- * Height must be the one of the block which was disconnected (not new height of the best chain)
- */
- void (*block_disconnected)(const void *this_arg, const uint8_t (*header)[80], uint32_t disconnected_height);
- void (*free)(void *this_arg);
-} LDKChainListener;
+typedef LDKCResultTempl_TxOut__AccessError LDKCResult_TxOutAccessErrorZ;
/**
- * A trait which should be implemented to provide feerate information on a number of time
- * horizons.
- *
- * Note that all of the functions implemented here *must* be reentrant-safe (obviously - they're
- * called from inside the library in response to ChainListener events, P2P events, or timer
- * events).
+ * The `Access` trait defines behavior for accessing chain data and state, such as blocks and
+ * UTXOs.
*/
-typedef struct LDKFeeEstimator {
+typedef struct LDKAccess {
void *this_arg;
/**
- * Gets estimated satoshis of fee required per 1000 Weight-Units.
+ * 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.
*
- * Must be no smaller than 253 (ie 1 satoshi-per-byte rounded up to ensure later round-downs
- * don't put us below 1 satoshi-per-byte).
- *
- * This translates to:
- * * satoshis-per-byte * 250
- * * ceil(satoshis-per-kbyte / 4)
+ * [`short_channel_id`]: https://github.com/lightningnetwork/lightning-rfc/blob/master/07-routing-gossip.md#definition-of-short_channel_id
*/
- uint32_t (*get_est_sat_per_1000_weight)(const void *this_arg, LDKConfirmationTarget confirmation_target);
+ LDKCResult_TxOutAccessErrorZ (*get_utxo)(const void *this_arg, const uint8_t (*genesis_hash)[32], uint64_t short_channel_id);
void (*free)(void *this_arg);
-} LDKFeeEstimator;
-
-
-
-/**
- * Utility for tracking registered txn/outpoints and checking for matches
- */
-typedef struct MUST_USE_STRUCT LDKChainWatchedUtil {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeChainWatchedUtil *inner;
- bool is_owned;
-} LDKChainWatchedUtil;
-
-
-
-/**
- * Utility for notifying listeners about new blocks, and handling block rescans if new watch
- * data is registered.
- *
- * Rather than using a plain BlockNotifier, it is preferable to use either a BlockNotifierArc
- * or a BlockNotifierRef for conciseness. See their documentation for more details, but essentially
- * you should default to using a BlockNotifierRef, and use a BlockNotifierArc instead when you
- * require ChainListeners with static lifetimes, such as when you're using lightning-net-tokio.
- */
-typedef struct MUST_USE_STRUCT LDKBlockNotifier {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeBlockNotifier *inner;
- bool is_owned;
-} LDKBlockNotifier;
-
-
-
-/**
- * Utility to capture some common parts of ChainWatchInterface implementors.
- *
- * Keeping a local copy of this in a ChainWatchInterface implementor is likely useful.
- */
-typedef struct MUST_USE_STRUCT LDKChainWatchInterfaceUtil {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeChainWatchInterfaceUtil *inner;
- bool is_owned;
-} LDKChainWatchInterfaceUtil;
+} LDKAccess;
void (*free)(void *this_arg);
} LDKChannelKeys;
-typedef struct LDKSecretKey {
- uint8_t bytes[32];
-} LDKSecretKey;
-
-/**
- * A trait to describe an object which can get user secrets and key material.
- */
-typedef struct LDKKeysInterface {
- void *this_arg;
- /**
- * Get node secret key (aka node_id or network_key)
- */
- LDKSecretKey (*get_node_secret)(const void *this_arg);
- /**
- * Get destination redeemScript to encumber static protocol exit points.
- */
- LDKCVec_u8Z (*get_destination_script)(const void *this_arg);
- /**
- * Get shutdown_pubkey to use as PublicKey at channel closure
- */
- LDKPublicKey (*get_shutdown_pubkey)(const void *this_arg);
- /**
- * Get a new set of ChannelKeys for per-channel secrets. These MUST be unique even if you
- * restarted with some stale data!
- */
- LDKChannelKeys (*get_channel_keys)(const void *this_arg, bool inbound, uint64_t channel_value_satoshis);
- /**
- * Gets a unique, cryptographically-secure, random 32 byte value. This is used for encrypting
- * onion packets and for temporary channel IDs. There is no requirement that these be
- * persisted anywhere, though they must be unique across restarts.
- */
- LDKThirtyTwoBytes (*get_secure_random_bytes)(const void *this_arg);
- void (*free)(void *this_arg);
-} LDKKeysInterface;
-
-
-
-/**
- * A simple implementation of ChannelKeys that just keeps the private keys in memory.
- */
-typedef struct MUST_USE_STRUCT LDKInMemoryChannelKeys {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeInMemoryChannelKeys *inner;
- bool is_owned;
-} LDKInMemoryChannelKeys;
-
-
-
-/**
- * Simple KeysInterface implementor that takes a 32-byte seed for use as a BIP 32 extended key
- * and derives keys from that.
- *
- * Your node_id is seed/0'
- * ChannelMonitor closes may use seed/1'
- * Cooperative closes may use seed/2'
- * The two close keys may be needed to claim on-chain funds!
- */
-typedef struct MUST_USE_STRUCT LDKKeysManager {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeKeysManager *inner;
- bool is_owned;
-} LDKKeysManager;
-
/**
typedef LDKCVecTempl_MonitorEvent LDKCVec_MonitorEventZ;
/**
- * Simple trait indicating ability to track a set of ChannelMonitors and multiplex events between
- * them. Generally should be implemented by keeping a local SimpleManyChannelMonitor and passing
- * events to it, while also taking any add/update_monitor events and passing them to some remote
- * server(s).
+ * The `Watch` trait defines behavior for watching on-chain activity pertaining to channels as
+ * blocks are connected and disconnected.
+ *
+ * Each channel is associated with a [`ChannelMonitor`]. Implementations of this trait are
+ * responsible for maintaining a set of monitors such that they can be updated accordingly as
+ * channel state changes and HTLCs are resolved. See method documentation for specific
+ * requirements.
*
- * In general, you must always have at least one local copy in memory, which must never fail to
- * update (as it is responsible for broadcasting the latest state in case the channel is closed),
- * and then persist it to various on-disk locations. If, for some reason, the in-memory copy fails
- * to update (eg out-of-memory or some other condition), you must immediately shut down without
- * taking any further action such as writing the current state to disk. This should likely be
- * accomplished via panic!() or abort().
+ * Implementations **must** ensure that updates are successfully applied and persisted upon method
+ * completion. If an update fails with a [`PermanentFailure`], then it must immediately shut down
+ * without taking any further action such as persisting the current state.
*
- * Note that any updates to a channel's monitor *must* be applied to each instance of the
- * channel's monitor everywhere (including remote watchtowers) *before* this function returns. If
- * an update occurs and a remote watchtower is left with old state, it may broadcast transactions
- * which we have revoked, allowing our counterparty to claim all funds in the channel!
+ * If an implementation maintains multiple instances of a channel's monitor (e.g., by storing
+ * backup copies), then it must ensure that updates are applied across all instances. Otherwise, it
+ * could result in a revoked transaction being broadcast, allowing the counterparty to claim all
+ * funds in the channel. See [`ChannelMonitorUpdateErr`] for more details about how to handle
+ * multiple instances.
*
- * User needs to notify implementors of ManyChannelMonitor when a new block is connected or
- * disconnected using their `block_connected` and `block_disconnected` methods. However, rather
- * than calling these methods directly, the user should register implementors as listeners to the
- * BlockNotifier and call the BlockNotifier's `block_(dis)connected` methods, which will notify
- * all registered listeners in one go.
+ * [`ChannelMonitor`]: channelmonitor/struct.ChannelMonitor.html
+ * [`ChannelMonitorUpdateErr`]: channelmonitor/enum.ChannelMonitorUpdateErr.html
+ * [`PermanentFailure`]: channelmonitor/enum.ChannelMonitorUpdateErr.html#variant.PermanentFailure
*/
-typedef struct LDKManyChannelMonitor {
+typedef struct LDKWatch {
void *this_arg;
/**
- * Adds a monitor for the given `funding_txo`.
+ * Watches a channel identified by `funding_txo` using `monitor`.
*
- * Implementer must also ensure that the funding_txo txid *and* outpoint are registered with
- * any relevant ChainWatchInterfaces such that the provided monitor receives block_connected
- * callbacks with the funding transaction, or any spends of it.
+ * Implementations are responsible for watching the chain for the funding transaction along
+ * with any spends of outputs returned by [`get_outputs_to_watch`]. In practice, this means
+ * calling [`block_connected`] and [`block_disconnected`] on the monitor.
*
- * Further, the implementer must also ensure that each output returned in
- * monitor.get_outputs_to_watch() is registered to ensure that the provided monitor learns about
- * any spends of any of the outputs.
- *
- * Any spends of outputs which should have been registered which aren't passed to
- * ChannelMonitors via block_connected may result in FUNDS LOSS.
+ * [`get_outputs_to_watch`]: channelmonitor/struct.ChannelMonitor.html#method.get_outputs_to_watch
+ * [`block_connected`]: channelmonitor/struct.ChannelMonitor.html#method.block_connected
+ * [`block_disconnected`]: channelmonitor/struct.ChannelMonitor.html#method.block_disconnected
*/
- LDKCResult_NoneChannelMonitorUpdateErrZ (*add_monitor)(const void *this_arg, LDKOutPoint funding_txo, LDKChannelMonitor monitor);
+ LDKCResult_NoneChannelMonitorUpdateErrZ (*watch_channel)(const void *this_arg, LDKOutPoint funding_txo, LDKChannelMonitor monitor);
/**
- * Updates a monitor for the given `funding_txo`.
+ * Updates a channel identified by `funding_txo` by applying `update` to its monitor.
*
- * Implementer must also ensure that the funding_txo txid *and* outpoint are registered with
- * any relevant ChainWatchInterfaces such that the provided monitor receives block_connected
- * callbacks with the funding transaction, or any spends of it.
+ * Implementations must call [`update_monitor`] with the given update. See
+ * [`ChannelMonitorUpdateErr`] for invariants around returning an error.
*
- * Further, the implementer must also ensure that each output returned in
- * monitor.get_watch_outputs() is registered to ensure that the provided monitor learns about
- * any spends of any of the outputs.
+ * [`update_monitor`]: channelmonitor/struct.ChannelMonitor.html#method.update_monitor
+ * [`ChannelMonitorUpdateErr`]: channelmonitor/enum.ChannelMonitorUpdateErr.html
+ */
+ LDKCResult_NoneChannelMonitorUpdateErrZ (*update_channel)(const void *this_arg, LDKOutPoint funding_txo, LDKChannelMonitorUpdate update);
+ /**
+ * Returns any monitor events since the last call. Subsequent calls must only return new
+ * events.
+ */
+ LDKCVec_MonitorEventZ (*release_pending_monitor_events)(const void *this_arg);
+ void (*free)(void *this_arg);
+} LDKWatch;
+
+/**
+ * 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`].
+ *
+ * [`Watch`]: trait.Watch.html
+ * [`TemporaryFailure`]: channelmonitor/enum.ChannelMonitorUpdateErr.html#variant.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 {
+ 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], LDKu8slice script_pubkey);
+ /**
+ * Registers interest in spends of a transaction output identified by `outpoint` having
+ * `script_pubkey` as the spending condition.
+ */
+ void (*register_output)(const void *this_arg, const LDKOutPoint *outpoint, LDKu8slice script_pubkey);
+ void (*free)(void *this_arg);
+} LDKFilter;
+
+/**
+ * An interface to send a transaction to the Bitcoin network.
+ */
+typedef struct LDKBroadcasterInterface {
+ void *this_arg;
+ /**
+ * Sends a transaction out to (hopefully) be mined.
+ */
+ void (*broadcast_transaction)(const void *this_arg, LDKTransaction tx);
+ void (*free)(void *this_arg);
+} LDKBroadcasterInterface;
+
+/**
+ * A trait which should be implemented to provide feerate information on a number of time
+ * horizons.
+ *
+ * Note that all of the functions implemented here *must* be reentrant-safe (obviously - they're
+ * called from inside the library in response to chain events, P2P events, or timer events).
+ */
+typedef struct LDKFeeEstimator {
+ void *this_arg;
+ /**
+ * Gets estimated satoshis of fee required per 1000 Weight-Units.
*
- * Any spends of outputs which should have been registered which aren't passed to
- * ChannelMonitors via block_connected may result in FUNDS LOSS.
+ * Must be no smaller than 253 (ie 1 satoshi-per-byte rounded up to ensure later round-downs
+ * don't put us below 1 satoshi-per-byte).
*
- * In case of distributed watchtowers deployment, even if an Err is return, the new version
- * must be written to disk, as state may have been stored but rejected due to a block forcing
- * a commitment broadcast. This storage is used to claim outputs of rejected state confirmed
- * onchain by another watchtower, lagging behind on block processing.
+ * This translates to:
+ * * satoshis-per-byte * 250
+ * * ceil(satoshis-per-kbyte / 4)
*/
- LDKCResult_NoneChannelMonitorUpdateErrZ (*update_monitor)(const void *this_arg, LDKOutPoint funding_txo, LDKChannelMonitorUpdate monitor);
+ uint32_t (*get_est_sat_per_1000_weight)(const void *this_arg, LDKConfirmationTarget confirmation_target);
+ void (*free)(void *this_arg);
+} LDKFeeEstimator;
+
+
+
+/**
+ * An implementation of [`chain::Watch`] for monitoring channels.
+ *
+ * Connected and disconnected blocks must be provided to `ChainMonitor` as documented by
+ * [`chain::Watch`]. May be used in conjunction with [`ChannelManager`] to monitor channels locally
+ * or used independently to monitor channels remotely. See the [module-level documentation] for
+ * details.
+ *
+ * [`chain::Watch`]: ../trait.Watch.html
+ * [`ChannelManager`]: ../../ln/channelmanager/struct.ChannelManager.html
+ * [module-level documentation]: index.html
+ */
+typedef struct MUST_USE_STRUCT LDKChainMonitor {
/**
- * Used by ChannelManager to get list of HTLC resolved onchain and which needed to be updated
- * with success or failure.
- *
- * You should probably just call through to
- * ChannelMonitor::get_and_clear_pending_monitor_events() for each ChannelMonitor and return
- * the full list.
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeChainMonitor *inner;
+ bool is_owned;
+} LDKChainMonitor;
+
+typedef struct LDKCVecTempl_C2TupleTempl_usize__Transaction {
+ LDKC2TupleTempl_usize__Transaction *data;
+ uintptr_t datalen;
+} LDKCVecTempl_C2TupleTempl_usize__Transaction;
+
+typedef LDKCVecTempl_C2TupleTempl_usize__Transaction LDKCVec_C2Tuple_usizeTransactionZZ;
+
+
+
+/**
+ * Simple structure sent back by `chain::Watch` when an HTLC from a forward channel is detected on
+ * chain. Used to update the corresponding HTLC in the backward channel. Failing to pass the
+ * preimage claim backward will lead to loss of funds.
+ *
+ * [`chain::Watch`]: ../trait.Watch.html
+ */
+typedef struct MUST_USE_STRUCT LDKHTLCUpdate {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeHTLCUpdate *inner;
+ bool is_owned;
+} LDKHTLCUpdate;
+
+typedef struct LDKCVecTempl_Transaction {
+ LDKTransaction *data;
+ uintptr_t datalen;
+} LDKCVecTempl_Transaction;
+
+typedef LDKCVecTempl_Transaction LDKCVec_TransactionZ;
+
+typedef struct LDKCVecTempl_C2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut {
+ LDKC2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut *data;
+ uintptr_t datalen;
+} LDKCVecTempl_C2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut;
+
+typedef LDKCVecTempl_C2TupleTempl_ThirtyTwoBytes__CVecTempl_TxOut LDKCVec_C2Tuple_TxidCVec_TxOutZZZ;
+
+typedef struct LDKSecretKey {
+ uint8_t bytes[32];
+} LDKSecretKey;
+
+/**
+ * A trait to describe an object which can get user secrets and key material.
+ */
+typedef struct LDKKeysInterface {
+ void *this_arg;
+ /**
+ * Get node secret key (aka node_id or network_key)
+ */
+ LDKSecretKey (*get_node_secret)(const void *this_arg);
+ /**
+ * Get destination redeemScript to encumber static protocol exit points.
+ */
+ LDKCVec_u8Z (*get_destination_script)(const void *this_arg);
+ /**
+ * Get shutdown_pubkey to use as PublicKey at channel closure
+ */
+ LDKPublicKey (*get_shutdown_pubkey)(const void *this_arg);
+ /**
+ * Get a new set of ChannelKeys for per-channel secrets. These MUST be unique even if you
+ * restarted with some stale data!
*/
- LDKCVec_MonitorEventZ (*get_and_clear_pending_monitor_events)(const void *this_arg);
+ LDKChannelKeys (*get_channel_keys)(const void *this_arg, bool inbound, uint64_t channel_value_satoshis);
+ /**
+ * Gets a unique, cryptographically-secure, random 32 byte value. This is used for encrypting
+ * onion packets and for temporary channel IDs. There is no requirement that these be
+ * persisted anywhere, though they must be unique across restarts.
+ */
+ LDKThirtyTwoBytes (*get_secure_random_bytes)(const void *this_arg);
void (*free)(void *this_arg);
-} LDKManyChannelMonitor;
+} LDKKeysInterface;
+
+
+
+/**
+ * A simple implementation of ChannelKeys that just keeps the private keys in memory.
+ */
+typedef struct MUST_USE_STRUCT LDKInMemoryChannelKeys {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeInMemoryChannelKeys *inner;
+ bool is_owned;
+} LDKInMemoryChannelKeys;
+
+
+
+/**
+ * Simple KeysInterface implementor that takes a 32-byte seed for use as a BIP 32 extended key
+ * and derives keys from that.
+ *
+ * Your node_id is seed/0'
+ * ChannelMonitor closes may use seed/1'
+ * Cooperative closes may use seed/2'
+ * The two close keys may be needed to claim on-chain funds!
+ */
+typedef struct MUST_USE_STRUCT LDKKeysManager {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeKeysManager *inner;
+ bool is_owned;
+} LDKKeysManager;
*
* Note that you can be a bit lazier about writing out ChannelManager than you can be with
* ChannelMonitors. With ChannelMonitors you MUST write each monitor update out to disk before
- * returning from ManyChannelMonitor::add_/update_monitor, with ChannelManagers, writing updates
+ * returning from chain::Watch::watch_/update_channel, with ChannelManagers, writing updates
* happens out-of-band (and will prevent any other ChannelManager operations from occurring during
* the serialization process). If the deserialized version is out-of-date compared to the
* ChannelMonitors passed by reference to read(), those channels will be force-closed based on the
* This may result in closing some Channels if the ChannelMonitor is newer than the stored
* ChannelManager state to ensure no loss of funds. Thus, transactions may be broadcasted.
* 3) Register all relevant ChannelMonitor outpoints with your chain watch mechanism using
- * ChannelMonitor::get_monitored_outpoints and ChannelMonitor::get_funding_txo().
+ * ChannelMonitor::get_outputs_to_watch() and ChannelMonitor::get_funding_txo().
* 4) Reconnect blocks on your ChannelMonitors.
- * 5) Move the ChannelMonitors into your local ManyChannelMonitor.
+ * 5) Move the ChannelMonitors into your local chain::Watch.
* 6) Disconnect/connect blocks on the ChannelManager.
- * 7) Register the new ChannelManager with your ChainWatchInterface.
*/
typedef struct MUST_USE_STRUCT LDKChannelManagerReadArgs {
/**
-/**
- * Simple structure send back by ManyChannelMonitor in case of HTLC detected onchain from a
- * forward channel and from which info are needed to update HTLC in a backward channel.
- */
-typedef struct MUST_USE_STRUCT LDKHTLCUpdate {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeHTLCUpdate *inner;
- bool is_owned;
-} LDKHTLCUpdate;
-
-
-
/**
* An error in decoding a message or struct.
*/
+/**
+ * Features used within a `node_announcement` message.
+ */
+typedef struct MUST_USE_STRUCT LDKNodeFeatures {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeNodeFeatures *inner;
+ bool is_owned;
+} LDKNodeFeatures;
+
+
+
+/**
+ * Features used within a `channel_announcement` message.
+ */
+typedef struct MUST_USE_STRUCT LDKChannelFeatures {
+ /**
+ * Nearly everyhwere, inner must be non-null, however in places where
+ * the Rust equivalent takes an Option, it may be set to null to indicate None.
+ */
+ LDKnativeChannelFeatures *inner;
+ bool is_owned;
+} LDKChannelFeatures;
+
+
+
/**
* The unsigned part of a channel_update
*/
bool result_ok;
} LDKCResultTempl_TxCreationKeys__Secp256k1Error;
-typedef LDKCResultTempl_TxCreationKeys__Secp256k1Error LDKCResult_TxCreationKeysSecpErrorZ;
-
-typedef struct LDKCVecTempl_C2TupleTempl_HTLCOutputInCommitment__Signature {
- LDKC2TupleTempl_HTLCOutputInCommitment__Signature *data;
- uintptr_t datalen;
-} LDKCVecTempl_C2TupleTempl_HTLCOutputInCommitment__Signature;
-
-typedef LDKCVecTempl_C2TupleTempl_HTLCOutputInCommitment__Signature LDKCVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ;
-
-
-
-/**
- * Features used within a `node_announcement` message.
- */
-typedef struct MUST_USE_STRUCT LDKNodeFeatures {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeNodeFeatures *inner;
- bool is_owned;
-} LDKNodeFeatures;
-
+typedef LDKCResultTempl_TxCreationKeys__Secp256k1Error LDKCResult_TxCreationKeysSecpErrorZ;
+typedef struct LDKCVecTempl_C2TupleTempl_HTLCOutputInCommitment__Signature {
+ LDKC2TupleTempl_HTLCOutputInCommitment__Signature *data;
+ uintptr_t datalen;
+} LDKCVecTempl_C2TupleTempl_HTLCOutputInCommitment__Signature;
-/**
- * Features used within a `channel_announcement` message.
- */
-typedef struct MUST_USE_STRUCT LDKChannelFeatures {
- /**
- * Nearly everyhwere, inner must be non-null, however in places where
- * the Rust equivalent takes an Option, it may be set to null to indicate None.
- */
- LDKnativeChannelFeatures *inner;
- bool is_owned;
-} LDKChannelFeatures;
+typedef LDKCVecTempl_C2TupleTempl_HTLCOutputInCommitment__Signature LDKCVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ;
extern const void (*C2Tuple_OutPointScriptZ_free)(LDKC2Tuple_OutPointScriptZ);
-extern const void (*C2Tuple_Scriptu64Z_free)(LDKC2Tuple_Scriptu64Z);
-
extern const void (*C2Tuple_SignatureCVec_SignatureZZ_free)(LDKC2Tuple_SignatureCVec_SignatureZZ);
-extern const void (*C2Tuple_Txidu32Z_free)(LDKC2Tuple_Txidu32Z);
+extern const void (*C2Tuple_TxidCVec_TxOutZZ_free)(LDKC2Tuple_TxidCVec_TxOutZZ);
extern const void (*C2Tuple_u64u64Z_free)(LDKC2Tuple_u64u64Z);
-extern const void (*C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free)(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ);
-
-extern const LDKCResult_C2Tuple_Scriptu64ZChainErrorZ (*CResult_C2Tuple_Scriptu64ZChainErrorZ_err)(LDKChainError);
+extern const void (*C2Tuple_usizeTransactionZ_free)(LDKC2Tuple_usizeTransactionZ);
-extern const void (*CResult_C2Tuple_Scriptu64ZChainErrorZ_free)(LDKCResult_C2Tuple_Scriptu64ZChainErrorZ);
-
-extern const LDKCResult_C2Tuple_Scriptu64ZChainErrorZ (*CResult_C2Tuple_Scriptu64ZChainErrorZ_ok)(LDKC2Tuple_Scriptu64Z);
+extern const void (*C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_free)(LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ);
extern const void (*CResult_C2Tuple_SignatureCVec_SignatureZZNoneZ_free)(LDKCResult_C2Tuple_SignatureCVec_SignatureZZNoneZ);
extern const LDKCResult_TxCreationKeysSecpErrorZ (*CResult_TxCreationKeysSecpErrorZ_ok)(LDKTxCreationKeys);
+extern const LDKCResult_TxOutAccessErrorZ (*CResult_TxOutAccessErrorZ_err)(LDKAccessError);
+
+extern const void (*CResult_TxOutAccessErrorZ_free)(LDKCResult_TxOutAccessErrorZ);
+
+extern const LDKCResult_TxOutAccessErrorZ (*CResult_TxOutAccessErrorZ_ok)(LDKTxOut);
+
extern const LDKCResult_boolLightningErrorZ (*CResult_boolLightningErrorZ_err)(LDKLightningError);
extern const void (*CResult_boolLightningErrorZ_free)(LDKCResult_boolLightningErrorZ);
extern const void (*CVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ_free)(LDKCVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ);
+extern const void (*CVec_C2Tuple_TxidCVec_TxOutZZZ_free)(LDKCVec_C2Tuple_TxidCVec_TxOutZZZ);
+
+extern const void (*CVec_C2Tuple_usizeTransactionZZ_free)(LDKCVec_C2Tuple_usizeTransactionZZ);
+
extern const void (*CVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ_free)(LDKCVec_C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZZ);
extern const void (*CVec_CVec_RouteHopZZ_free)(LDKCVec_CVec_RouteHopZZ);
extern const void (*CVec_TransactionZ_free)(LDKCVec_TransactionZ);
+extern const void (*CVec_TxOutZ_free)(LDKCVec_TxOutZ);
+
extern const void (*CVec_UpdateAddHTLCZ_free)(LDKCVec_UpdateAddHTLCZ);
extern const void (*CVec_UpdateFailHTLCZ_free)(LDKCVec_UpdateFailHTLCZ);
extern const void (*CVec_u8Z_free)(LDKCVec_u8Z);
-extern const void (*CVec_usizeZ_free)(LDKCVec_usizeZ);
-
extern const uint64_t MIN_RELAY_FEE_SAT_PER_1000_WEIGHT;
+void Transaction_free(LDKTransaction _res);
+
void TxOut_free(LDKTxOut _res);
-LDKC2Tuple_Txidu32Z C2Tuple_Txidu32Z_new(LDKThirtyTwoBytes a, uint32_t b);
+LDKC2Tuple_usizeTransactionZ C2Tuple_usizeTransactionZ_new(uintptr_t a, LDKTransaction b);
+
+LDKCResult_NoneChannelMonitorUpdateErrZ CResult_NoneChannelMonitorUpdateErrZ_ok(void);
+
+LDKCResult_NoneMonitorUpdateErrorZ CResult_NoneMonitorUpdateErrorZ_ok(void);
+
+LDKC2Tuple_OutPointScriptZ C2Tuple_OutPointScriptZ_new(LDKOutPoint a, LDKCVec_u8Z b);
-LDKC2Tuple_Scriptu64Z C2Tuple_Scriptu64Z_new(LDKCVec_u8Z a, uint64_t b);
+LDKC2Tuple_TxidCVec_TxOutZZ C2Tuple_TxidCVec_TxOutZZ_new(LDKThirtyTwoBytes a, LDKCVec_TxOutZ b);
LDKC2Tuple_u64u64Z C2Tuple_u64u64Z_new(uint64_t a, uint64_t b);
LDKCResult_NonePaymentSendFailureZ CResult_NonePaymentSendFailureZ_ok(void);
-LDKCResult_NoneChannelMonitorUpdateErrZ CResult_NoneChannelMonitorUpdateErrZ_ok(void);
-
-LDKCResult_NoneMonitorUpdateErrorZ CResult_NoneMonitorUpdateErrorZ_ok(void);
-
-LDKC2Tuple_OutPointScriptZ C2Tuple_OutPointScriptZ_new(LDKOutPoint a, LDKCVec_u8Z b);
-
LDKC3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ C3Tuple_ChannelAnnouncementChannelUpdateChannelUpdateZ_new(LDKChannelAnnouncement a, LDKChannelUpdate b, LDKChannelUpdate c);
LDKCResult_NonePeerHandleErrorZ CResult_NonePeerHandleErrorZ_ok(void);
/**
* Calls the free function if one is set
*/
-void ChainWatchInterface_free(LDKChainWatchInterface this_ptr);
+void Access_free(LDKAccess this_ptr);
/**
* Calls the free function if one is set
*/
-void BroadcasterInterface_free(LDKBroadcasterInterface this_ptr);
+void Watch_free(LDKWatch this_ptr);
+
+/**
+ * Calls the free function if one is set
+ */
+void Filter_free(LDKFilter this_ptr);
/**
* Calls the free function if one is set
*/
-void ChainListener_free(LDKChainListener this_ptr);
+void BroadcasterInterface_free(LDKBroadcasterInterface this_ptr);
/**
* Calls the free function if one is set
*/
void FeeEstimator_free(LDKFeeEstimator this_ptr);
-void ChainWatchedUtil_free(LDKChainWatchedUtil this_ptr);
+void ChainMonitor_free(LDKChainMonitor this_ptr);
/**
- * Constructs an empty (watches nothing) ChainWatchedUtil
+ * Dispatches to per-channel monitors, which are responsible for updating their on-chain view
+ * of a channel and reacting accordingly based on transactions in the connected block. See
+ * [`ChannelMonitor::block_connected`] for details. Any HTLCs that were resolved on chain will
+ * be returned by [`chain::Watch::release_pending_monitor_events`].
+ *
+ * Calls back to [`chain::Filter`] if any monitor indicated new outputs to watch. Subsequent
+ * calls must not exclude any transactions matching the new outputs nor any in-block
+ * descendants of such transactions. It is not necessary to re-fetch the block to obtain
+ * updated `txdata`.
+ *
+ * [`ChannelMonitor::block_connected`]: ../channelmonitor/struct.ChannelMonitor.html#method.block_connected
+ * [`chain::Watch::release_pending_monitor_events`]: ../trait.Watch.html#tymethod.release_pending_monitor_events
+ * [`chain::Filter`]: ../trait.Filter.html
*/
-MUST_USE_RES LDKChainWatchedUtil ChainWatchedUtil_new(void);
+void ChainMonitor_block_connected(const LDKChainMonitor *this_arg, const uint8_t (*header)[80], LDKCVec_C2Tuple_usizeTransactionZZ txdata, uint32_t height);
/**
- * Registers a tx for monitoring, returning true if it was a new tx and false if we'd already
- * been watching for it.
+ * Dispatches to per-channel monitors, which are responsible for updating their on-chain view
+ * of a channel based on the disconnected block. See [`ChannelMonitor::block_disconnected`] for
+ * details.
+ *
+ * [`ChannelMonitor::block_disconnected`]: ../channelmonitor/struct.ChannelMonitor.html#method.block_disconnected
*/
-MUST_USE_RES bool ChainWatchedUtil_register_tx(LDKChainWatchedUtil *this_arg, const uint8_t (*txid)[32], LDKu8slice script_pub_key);
+void ChainMonitor_block_disconnected(const LDKChainMonitor *this_arg, const uint8_t (*header)[80], uint32_t disconnected_height);
/**
- * Registers an outpoint for monitoring, returning true if it was a new outpoint and false if
- * we'd already been watching for it
+ * Creates a new `ChainMonitor` used to watch on-chain activity pertaining to channels.
+ *
+ * When an optional chain source implementing [`chain::Filter`] is provided, the chain monitor
+ * will call back to it indicating transactions and outputs of interest. This allows clients to
+ * pre-filter blocks or only fetch blocks matching a compact filter. Otherwise, clients may
+ * always need to fetch full blocks absent another means for determining which blocks contain
+ * transactions relevant to the watched channels.
+ *
+ * [`chain::Filter`]: ../trait.Filter.html
*/
-MUST_USE_RES bool ChainWatchedUtil_register_outpoint(LDKChainWatchedUtil *this_arg, LDKC2Tuple_Txidu32Z outpoint, LDKu8slice _script_pub_key);
+MUST_USE_RES LDKChainMonitor ChainMonitor_new(LDKFilter *chain_source, LDKBroadcasterInterface broadcaster, LDKLogger logger, LDKFeeEstimator feeest);
+
+LDKWatch ChainMonitor_as_Watch(const LDKChainMonitor *this_arg);
+
+LDKEventsProvider ChainMonitor_as_EventsProvider(const LDKChainMonitor *this_arg);
+
+void ChannelMonitorUpdate_free(LDKChannelMonitorUpdate this_ptr);
/**
- * Sets us to match all transactions, returning true if this is a new setting and false if
- * we'd already been set to match everything.
+ * The sequence number of this update. Updates *must* be replayed in-order according to this
+ * sequence number (and updates may panic if they are not). The update_id values are strictly
+ * increasing and increase by one for each new update.
+ *
+ * This sequence number is also used to track up to which points updates which returned
+ * ChannelMonitorUpdateErr::TemporaryFailure have been applied to all copies of a given
+ * ChannelMonitor when ChannelManager::channel_monitor_updated is called.
*/
-MUST_USE_RES bool ChainWatchedUtil_watch_all(LDKChainWatchedUtil *this_arg);
+uint64_t ChannelMonitorUpdate_get_update_id(const LDKChannelMonitorUpdate *this_ptr);
/**
- * Checks if a given transaction matches the current filter.
+ * The sequence number of this update. Updates *must* be replayed in-order according to this
+ * sequence number (and updates may panic if they are not). The update_id values are strictly
+ * increasing and increase by one for each new update.
+ *
+ * This sequence number is also used to track up to which points updates which returned
+ * ChannelMonitorUpdateErr::TemporaryFailure have been applied to all copies of a given
+ * ChannelMonitor when ChannelManager::channel_monitor_updated is called.
*/
-MUST_USE_RES bool ChainWatchedUtil_does_match_tx(const LDKChainWatchedUtil *this_arg, LDKTransaction tx);
+void ChannelMonitorUpdate_set_update_id(LDKChannelMonitorUpdate *this_ptr, uint64_t val);
+
+LDKCVec_u8Z ChannelMonitorUpdate_write(const LDKChannelMonitorUpdate *obj);
+
+LDKChannelMonitorUpdate ChannelMonitorUpdate_read(LDKu8slice ser);
+
+void MonitorUpdateError_free(LDKMonitorUpdateError this_ptr);
+
+void MonitorEvent_free(LDKMonitorEvent this_ptr);
+
+void HTLCUpdate_free(LDKHTLCUpdate this_ptr);
+
+LDKCVec_u8Z HTLCUpdate_write(const LDKHTLCUpdate *obj);
+
+LDKHTLCUpdate HTLCUpdate_read(LDKu8slice ser);
+
+void ChannelMonitor_free(LDKChannelMonitor this_ptr);
-void BlockNotifier_free(LDKBlockNotifier this_ptr);
+/**
+ * Updates a ChannelMonitor on the basis of some new information provided by the Channel
+ * itself.
+ *
+ * panics if the given update is not the next update by update_id.
+ */
+MUST_USE_RES LDKCResult_NoneMonitorUpdateErrorZ ChannelMonitor_update_monitor(LDKChannelMonitor *this_arg, LDKChannelMonitorUpdate updates, const LDKBroadcasterInterface *broadcaster, const LDKLogger *logger);
/**
- * Constructs a new BlockNotifier without any listeners.
+ * Gets the update_id from the latest ChannelMonitorUpdate which was applied to this
+ * ChannelMonitor.
*/
-MUST_USE_RES LDKBlockNotifier BlockNotifier_new(LDKChainWatchInterface chain_monitor);
+MUST_USE_RES uint64_t ChannelMonitor_get_latest_update_id(const LDKChannelMonitor *this_arg);
/**
- * Register the given listener to receive events.
+ * Gets the funding transaction outpoint of the channel this ChannelMonitor is monitoring for.
*/
-void BlockNotifier_register_listener(const LDKBlockNotifier *this_arg, LDKChainListener listener);
+MUST_USE_RES LDKC2Tuple_OutPointScriptZ ChannelMonitor_get_funding_txo(const LDKChannelMonitor *this_arg);
/**
- * Notify listeners that a block was connected given a full, unfiltered block.
+ * Get the list of HTLCs who's status has been updated on chain. This should be called by
+ * ChannelManager via [`chain::Watch::release_pending_monitor_events`].
*
- * Handles re-scanning the block and calling block_connected again if listeners register new
- * watch data during the callbacks for you (see ChainListener::block_connected for more info).
+ * [`chain::Watch::release_pending_monitor_events`]: ../trait.Watch.html#tymethod.release_pending_monitor_events
*/
-void BlockNotifier_block_connected(const LDKBlockNotifier *this_arg, LDKu8slice block, uint32_t height);
+MUST_USE_RES LDKCVec_MonitorEventZ ChannelMonitor_get_and_clear_pending_monitor_events(LDKChannelMonitor *this_arg);
/**
- * Notify listeners that a block was connected, given pre-filtered list of transactions in the
- * block which matched the filter (probably using does_match_tx).
+ * Gets the list of pending events which were generated by previous actions, clearing the list
+ * in the process.
*
- * Returns true if notified listeners registered additional watch data (implying that the
- * block must be re-scanned and this function called again prior to further block_connected
- * calls, see ChainListener::block_connected for more info).
+ * This is called by ChainMonitor::get_and_clear_pending_events() and is equivalent to
+ * EventsProvider::get_and_clear_pending_events() except that it requires &mut self as we do
+ * no internal locking in ChannelMonitors.
*/
-MUST_USE_RES bool BlockNotifier_block_connected_checked(const LDKBlockNotifier *this_arg, const uint8_t (*header)[80], uint32_t height, LDKCVec_TransactionZ txn_matched, LDKusizeslice indexes_of_txn_matched);
+MUST_USE_RES LDKCVec_EventZ ChannelMonitor_get_and_clear_pending_events(LDKChannelMonitor *this_arg);
/**
- * Notify listeners that a block was disconnected.
+ * Used by ChannelManager deserialization to broadcast the latest holder state if its copy of
+ * the Channel was out-of-date. You may use it to get a broadcastable holder toxic tx in case of
+ * fallen-behind, i.e when receiving a channel_reestablish with a proof that our counterparty side knows
+ * a higher revocation secret than the holder commitment number we are aware of. Broadcasting these
+ * transactions are UNSAFE, as they allow counterparty side to punish you. Nevertheless you may want to
+ * broadcast them if counterparty don't close channel with his higher commitment transaction after a
+ * substantial amount of time (a month or even a year) to get back funds. Best may be to contact
+ * out-of-band the other node operator to coordinate with him if option is available to you.
+ * In any-case, choice is up to the user.
*/
-void BlockNotifier_block_disconnected(const LDKBlockNotifier *this_arg, const uint8_t (*header)[80], uint32_t disconnected_height);
-
-void ChainWatchInterfaceUtil_free(LDKChainWatchInterfaceUtil this_ptr);
-
-LDKChainWatchInterface ChainWatchInterfaceUtil_as_ChainWatchInterface(const LDKChainWatchInterfaceUtil *this_arg);
+MUST_USE_RES LDKCVec_TransactionZ ChannelMonitor_get_latest_holder_commitment_txn(LDKChannelMonitor *this_arg, const LDKLogger *logger);
/**
- * Creates a new ChainWatchInterfaceUtil for the given network
+ * Processes transactions in a newly connected block, which may result in any of the following:
+ * - update the monitor's state against resolved HTLCs
+ * - punish the counterparty in the case of seeing a revoked commitment transaction
+ * - force close the channel and claim/timeout incoming/outgoing HTLCs if near expiration
+ * - detect settled outputs for later spending
+ * - schedule and bump any in-flight claims
+ *
+ * Returns any new outputs to watch from `txdata`; after called, these are also included in
+ * [`get_outputs_to_watch`].
+ *
+ * [`get_outputs_to_watch`]: #method.get_outputs_to_watch
*/
-MUST_USE_RES LDKChainWatchInterfaceUtil ChainWatchInterfaceUtil_new(LDKNetwork network);
+MUST_USE_RES LDKCVec_C2Tuple_TxidCVec_TxOutZZZ ChannelMonitor_block_connected(LDKChannelMonitor *this_arg, const uint8_t (*header)[80], LDKCVec_C2Tuple_usizeTransactionZZ txdata, uint32_t height, LDKBroadcasterInterface broadcaster, LDKFeeEstimator fee_estimator, LDKLogger logger);
/**
- * Checks if a given transaction matches the current filter.
+ * Determines if the disconnected block contained any transactions of interest and updates
+ * appropriately.
*/
-MUST_USE_RES bool ChainWatchInterfaceUtil_does_match_tx(const LDKChainWatchInterfaceUtil *this_arg, LDKTransaction tx);
+void ChannelMonitor_block_disconnected(LDKChannelMonitor *this_arg, const uint8_t (*header)[80], uint32_t height, LDKBroadcasterInterface broadcaster, LDKFeeEstimator fee_estimator, LDKLogger logger);
void OutPoint_free(LDKOutPoint this_ptr);
*
* Users need to notify the new ChannelManager when a new block is connected or
* disconnected using its `block_connected` and `block_disconnected` methods.
- * However, rather than calling these methods directly, the user should register
- * the ChannelManager as a listener to the BlockNotifier and call the BlockNotifier's
- * `block_(dis)connected` methods, which will notify all registered listeners in one
- * go.
*/
-MUST_USE_RES LDKChannelManager ChannelManager_new(LDKNetwork network, LDKFeeEstimator fee_est, LDKManyChannelMonitor monitor, LDKBroadcasterInterface tx_broadcaster, LDKLogger logger, LDKKeysInterface keys_manager, LDKUserConfig config, uintptr_t current_blockchain_height);
+MUST_USE_RES LDKChannelManager ChannelManager_new(LDKNetwork network, LDKFeeEstimator fee_est, LDKWatch chain_monitor, LDKBroadcasterInterface tx_broadcaster, LDKLogger logger, LDKKeysInterface keys_manager, LDKUserConfig config, uintptr_t current_blockchain_height);
/**
* Creates a new outbound channel to the given remote node and with the given value.
* exists largely only to prevent races between this and concurrent update_monitor calls.
*
* Thus, the anticipated use is, at a high level:
- * 1) You register a ManyChannelMonitor with this ChannelManager,
+ * 1) You register a chain::Watch with this ChannelManager,
* 2) it stores each update to disk, and begins updating any remote (eg watchtower) copies of
* said ChannelMonitors as it can, returning ChannelMonitorUpdateErr::TemporaryFailures
* any time it cannot do so instantly,
LDKEventsProvider ChannelManager_as_EventsProvider(const LDKChannelManager *this_arg);
-LDKChainListener ChannelManager_as_ChainListener(const LDKChannelManager *this_arg);
+/**
+ * Updates channel state based on transactions seen in a connected block.
+ */
+void ChannelManager_block_connected(const LDKChannelManager *this_arg, const uint8_t (*header)[80], LDKCVec_C2Tuple_usizeTransactionZZ txdata, uint32_t height);
+
+/**
+ * Updates channel state based on a disconnected block.
+ *
+ * If necessary, the channel may be force-closed without letting the counterparty participate
+ * in the shutdown.
+ */
+void ChannelManager_block_disconnected(const LDKChannelManager *this_arg, const uint8_t (*header)[80]);
LDKChannelMessageHandler ChannelManager_as_ChannelMessageHandler(const LDKChannelManager *this_arg);
void ChannelManagerReadArgs_set_fee_estimator(LDKChannelManagerReadArgs *this_ptr, LDKFeeEstimator val);
/**
- * The ManyChannelMonitor for use in the ChannelManager in the future.
+ * The chain::Watch for use in the ChannelManager in the future.
*
- * No calls to the ManyChannelMonitor will be made during deserialization. It is assumed that
+ * No calls to the chain::Watch will be made during deserialization. It is assumed that
* you have deserialized ChannelMonitors separately and will add them to your
- * ManyChannelMonitor after deserializing this ChannelManager.
+ * chain::Watch after deserializing this ChannelManager.
*/
-const LDKManyChannelMonitor *ChannelManagerReadArgs_get_monitor(const LDKChannelManagerReadArgs *this_ptr);
+const LDKWatch *ChannelManagerReadArgs_get_chain_monitor(const LDKChannelManagerReadArgs *this_ptr);
/**
- * The ManyChannelMonitor for use in the ChannelManager in the future.
+ * The chain::Watch for use in the ChannelManager in the future.
*
- * No calls to the ManyChannelMonitor will be made during deserialization. It is assumed that
+ * No calls to the chain::Watch will be made during deserialization. It is assumed that
* you have deserialized ChannelMonitors separately and will add them to your
- * ManyChannelMonitor after deserializing this ChannelManager.
+ * chain::Watch after deserializing this ChannelManager.
*/
-void ChannelManagerReadArgs_set_monitor(LDKChannelManagerReadArgs *this_ptr, LDKManyChannelMonitor val);
+void ChannelManagerReadArgs_set_chain_monitor(LDKChannelManagerReadArgs *this_ptr, LDKWatch val);
/**
* The BroadcasterInterface which will be used in the ChannelManager in the future and may be
* HashMap for you. This is primarily useful for C bindings where it is not practical to
* populate a HashMap directly from C.
*/
-MUST_USE_RES LDKChannelManagerReadArgs ChannelManagerReadArgs_new(LDKKeysInterface keys_manager, LDKFeeEstimator fee_estimator, LDKManyChannelMonitor monitor, LDKBroadcasterInterface tx_broadcaster, LDKLogger logger, LDKUserConfig default_config, LDKCVec_ChannelMonitorZ channel_monitors);
-
-void ChannelMonitorUpdate_free(LDKChannelMonitorUpdate this_ptr);
-
-/**
- * The sequence number of this update. Updates *must* be replayed in-order according to this
- * sequence number (and updates may panic if they are not). The update_id values are strictly
- * increasing and increase by one for each new update.
- *
- * This sequence number is also used to track up to which points updates which returned
- * ChannelMonitorUpdateErr::TemporaryFailure have been applied to all copies of a given
- * ChannelMonitor when ChannelManager::channel_monitor_updated is called.
- */
-uint64_t ChannelMonitorUpdate_get_update_id(const LDKChannelMonitorUpdate *this_ptr);
-
-/**
- * The sequence number of this update. Updates *must* be replayed in-order according to this
- * sequence number (and updates may panic if they are not). The update_id values are strictly
- * increasing and increase by one for each new update.
- *
- * This sequence number is also used to track up to which points updates which returned
- * ChannelMonitorUpdateErr::TemporaryFailure have been applied to all copies of a given
- * ChannelMonitor when ChannelManager::channel_monitor_updated is called.
- */
-void ChannelMonitorUpdate_set_update_id(LDKChannelMonitorUpdate *this_ptr, uint64_t val);
-
-LDKCVec_u8Z ChannelMonitorUpdate_write(const LDKChannelMonitorUpdate *obj);
-
-LDKChannelMonitorUpdate ChannelMonitorUpdate_read(LDKu8slice ser);
-
-void MonitorUpdateError_free(LDKMonitorUpdateError this_ptr);
-
-void MonitorEvent_free(LDKMonitorEvent this_ptr);
-
-void HTLCUpdate_free(LDKHTLCUpdate this_ptr);
-
-LDKCVec_u8Z HTLCUpdate_write(const LDKHTLCUpdate *obj);
-
-LDKHTLCUpdate HTLCUpdate_read(LDKu8slice ser);
-
-void ChannelMonitor_free(LDKChannelMonitor this_ptr);
-
-/**
- * Calls the free function if one is set
- */
-void ManyChannelMonitor_free(LDKManyChannelMonitor this_ptr);
-
-/**
- * Updates a ChannelMonitor on the basis of some new information provided by the Channel
- * itself.
- *
- * panics if the given update is not the next update by update_id.
- */
-MUST_USE_RES LDKCResult_NoneMonitorUpdateErrorZ ChannelMonitor_update_monitor(LDKChannelMonitor *this_arg, LDKChannelMonitorUpdate updates, const LDKBroadcasterInterface *broadcaster, const LDKLogger *logger);
-
-/**
- * Gets the update_id from the latest ChannelMonitorUpdate which was applied to this
- * ChannelMonitor.
- */
-MUST_USE_RES uint64_t ChannelMonitor_get_latest_update_id(const LDKChannelMonitor *this_arg);
-
-/**
- * Gets the funding transaction outpoint of the channel this ChannelMonitor is monitoring for.
- */
-MUST_USE_RES LDKC2Tuple_OutPointScriptZ ChannelMonitor_get_funding_txo(const LDKChannelMonitor *this_arg);
-
-/**
- * Get the list of HTLCs who's status has been updated on chain. This should be called by
- * ChannelManager via ManyChannelMonitor::get_and_clear_pending_monitor_events().
- */
-MUST_USE_RES LDKCVec_MonitorEventZ ChannelMonitor_get_and_clear_pending_monitor_events(LDKChannelMonitor *this_arg);
-
-/**
- * Gets the list of pending events which were generated by previous actions, clearing the list
- * in the process.
- *
- * This is called by ManyChannelMonitor::get_and_clear_pending_events() and is equivalent to
- * EventsProvider::get_and_clear_pending_events() except that it requires &mut self as we do
- * no internal locking in ChannelMonitors.
- */
-MUST_USE_RES LDKCVec_EventZ ChannelMonitor_get_and_clear_pending_events(LDKChannelMonitor *this_arg);
-
-/**
- * Used by ChannelManager deserialization to broadcast the latest holder state if its copy of
- * the Channel was out-of-date. You may use it to get a broadcastable holder toxic tx in case of
- * fallen-behind, i.e when receiving a channel_reestablish with a proof that our counterparty side knows
- * a higher revocation secret than the holder commitment number we are aware of. Broadcasting these
- * transactions are UNSAFE, as they allow counterparty side to punish you. Nevertheless you may want to
- * broadcast them if counterparty don't close channel with his higher commitment transaction after a
- * substantial amount of time (a month or even a year) to get back funds. Best may be to contact
- * out-of-band the other node operator to coordinate with him if option is available to you.
- * In any-case, choice is up to the user.
- */
-MUST_USE_RES LDKCVec_TransactionZ ChannelMonitor_get_latest_holder_commitment_txn(LDKChannelMonitor *this_arg, const LDKLogger *logger);
+MUST_USE_RES LDKChannelManagerReadArgs ChannelManagerReadArgs_new(LDKKeysInterface keys_manager, LDKFeeEstimator fee_estimator, LDKWatch chain_monitor, LDKBroadcasterInterface tx_broadcaster, LDKLogger logger, LDKUserConfig default_config, LDKCVec_ChannelMonitorZ channel_monitors);
void DecodeError_free(LDKDecodeError this_ptr);
void UnsignedNodeAnnouncement_free(LDKUnsignedNodeAnnouncement this_ptr);
+/**
+ * The advertised features
+ */
+LDKNodeFeatures UnsignedNodeAnnouncement_get_features(const LDKUnsignedNodeAnnouncement *this_ptr);
+
+/**
+ * The advertised features
+ */
+void UnsignedNodeAnnouncement_set_features(LDKUnsignedNodeAnnouncement *this_ptr, LDKNodeFeatures val);
+
/**
* A strictly monotonic announcement counter, with gaps allowed
*/
void UnsignedChannelAnnouncement_free(LDKUnsignedChannelAnnouncement this_ptr);
+/**
+ * The advertised channel features
+ */
+LDKChannelFeatures UnsignedChannelAnnouncement_get_features(const LDKUnsignedChannelAnnouncement *this_ptr);
+
+/**
+ * The advertised channel features
+ */
+void UnsignedChannelAnnouncement_set_features(LDKUnsignedChannelAnnouncement *this_ptr, LDKChannelFeatures val);
+
/**
* The genesis hash of the blockchain where the channel is to be opened
*/
/**
* panics if htlc.transaction_output_index.is_none()!
*/
-LDKCVec_u8Z build_htlc_transaction(const uint8_t (*prev_hash)[32], uint32_t feerate_per_kw, uint16_t contest_delay, const LDKHTLCOutputInCommitment *htlc, LDKPublicKey broadcaster_delayed_payment_key, LDKPublicKey revocation_key);
+LDKTransaction build_htlc_transaction(const uint8_t (*prev_hash)[32], uint32_t feerate_per_kw, uint16_t contest_delay, const LDKHTLCOutputInCommitment *htlc, LDKPublicKey broadcaster_delayed_payment_key, LDKPublicKey revocation_key);
void HolderCommitmentTransaction_free(LDKHolderCommitmentTransaction this_ptr);
/**
* The commitment transaction itself, in unsigned form.
*/
-LDKCVec_u8Z HolderCommitmentTransaction_get_unsigned_tx(const LDKHolderCommitmentTransaction *this_ptr);
+LDKTransaction HolderCommitmentTransaction_get_unsigned_tx(const LDKHolderCommitmentTransaction *this_ptr);
/**
* The commitment transaction itself, in unsigned form.
*/
-void HolderCommitmentTransaction_set_unsigned_tx(LDKHolderCommitmentTransaction *this_ptr, LDKCVec_u8Z val);
+void HolderCommitmentTransaction_set_unsigned_tx(LDKHolderCommitmentTransaction *this_ptr, LDKTransaction val);
/**
* Our counterparty's signature for the transaction, above.
* The unsigned transaction outputs must be consistent with htlc_data. This function
* only checks that the shape and amounts are consistent, but does not check the scriptPubkey.
*/
-MUST_USE_RES LDKHolderCommitmentTransaction HolderCommitmentTransaction_new_missing_holder_sig(LDKCVec_u8Z unsigned_tx, LDKSignature counterparty_sig, LDKPublicKey holder_funding_key, LDKPublicKey counterparty_funding_key, LDKTxCreationKeys keys, uint32_t feerate_per_kw, LDKCVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ htlc_data);
+MUST_USE_RES LDKHolderCommitmentTransaction HolderCommitmentTransaction_new_missing_holder_sig(LDKTransaction unsigned_tx, LDKSignature counterparty_sig, LDKPublicKey holder_funding_key, LDKPublicKey counterparty_funding_key, LDKTxCreationKeys keys, uint32_t feerate_per_kw, LDKCVec_C2Tuple_HTLCOutputInCommitmentSignatureZZ htlc_data);
/**
* The pre-calculated transaction creation public keys.
*/
void RouteHop_set_pubkey(LDKRouteHop *this_ptr, LDKPublicKey val);
+/**
+ * The node_announcement features of the node at this hop. For the last hop, these may be
+ * amended to match the features present in the invoice this node generated.
+ */
+LDKNodeFeatures RouteHop_get_node_features(const LDKRouteHop *this_ptr);
+
+/**
+ * The node_announcement features of the node at this hop. For the last hop, these may be
+ * amended to match the features present in the invoice this node generated.
+ */
+void RouteHop_set_node_features(LDKRouteHop *this_ptr, LDKNodeFeatures val);
+
/**
* The channel that should be used from the previous hop to reach this node.
*/
*/
void RouteHop_set_short_channel_id(LDKRouteHop *this_ptr, uint64_t val);
+/**
+ * The channel_announcement features of the channel that should be used from the previous hop
+ * to reach this node.
+ */
+LDKChannelFeatures RouteHop_get_channel_features(const LDKRouteHop *this_ptr);
+
+/**
+ * The channel_announcement features of the channel that should be used from the previous hop
+ * to reach this node.
+ */
+void RouteHop_set_channel_features(LDKRouteHop *this_ptr, LDKChannelFeatures val);
+
/**
* The fee taken on this hop. For the last hop, this should be the full value of the payment.
*/
*/
void RouteHop_set_cltv_expiry_delta(LDKRouteHop *this_ptr, uint32_t val);
+MUST_USE_RES LDKRouteHop RouteHop_new(LDKPublicKey pubkey_arg, LDKNodeFeatures node_features_arg, uint64_t short_channel_id_arg, LDKChannelFeatures channel_features_arg, uint64_t fee_msat_arg, uint32_t cltv_expiry_delta_arg);
+
void Route_free(LDKRoute this_ptr);
/**
* channel data is correct, and that the announcement is signed with
* channel owners' keys.
*/
-MUST_USE_RES LDKNetGraphMsgHandler NetGraphMsgHandler_new(LDKChainWatchInterface chain_monitor, LDKLogger logger);
+MUST_USE_RES LDKNetGraphMsgHandler NetGraphMsgHandler_new(LDKAccess *chain_access, 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 LDKNetGraphMsgHandler NetGraphMsgHandler_from_net_graph(LDKChainWatchInterface chain_monitor, LDKLogger logger, LDKNetworkGraph network_graph);
+MUST_USE_RES LDKNetGraphMsgHandler NetGraphMsgHandler_from_net_graph(LDKAccess *chain_access, LDKLogger logger, LDKNetworkGraph network_graph);
/**
* Take a read lock on the network_graph and return it in the C-bindings
void ChannelInfo_free(LDKChannelInfo this_ptr);
+/**
+ * Protocol features of a channel communicated during its announcement
+ */
+LDKChannelFeatures ChannelInfo_get_features(const LDKChannelInfo *this_ptr);
+
+/**
+ * Protocol features of a channel communicated during its announcement
+ */
+void ChannelInfo_set_features(LDKChannelInfo *this_ptr, LDKChannelFeatures val);
+
/**
* Source node of the first direction of a channel
*/
void NodeAnnouncementInfo_free(LDKNodeAnnouncementInfo this_ptr);
+/**
+ * Protocol features the node announced support for
+ */
+LDKNodeFeatures NodeAnnouncementInfo_get_features(const LDKNodeAnnouncementInfo *this_ptr);
+
+/**
+ * Protocol features the node announced support for
+ */
+void NodeAnnouncementInfo_set_features(LDKNodeAnnouncementInfo *this_ptr, LDKNodeFeatures val);
+
/**
* When the last known update to the node state was issued.
* Value is opaque, as set in the announcement.
*/
void NodeAnnouncementInfo_set_announcement_message(LDKNodeAnnouncementInfo *this_ptr, LDKNodeAnnouncement val);
+MUST_USE_RES LDKNodeAnnouncementInfo NodeAnnouncementInfo_new(LDKNodeFeatures features_arg, uint32_t last_update_arg, LDKThreeBytes rgb_arg, LDKThirtyTwoBytes alias_arg, LDKCVec_NetAddressZ addresses_arg, LDKNodeAnnouncement announcement_message_arg);
+
LDKCVec_u8Z NodeAnnouncementInfo_write(const LDKNodeAnnouncementInfo *obj);
LDKNodeAnnouncementInfo NodeAnnouncementInfo_read(LDKu8slice ser);
projects / rust-lightning / blobdiff