0.0.115 Bindings Updates

fuzz/src/chanmon_consistency.rs

@@ -41,7 +41,8 @@ use lightning::chain::keysinterface::{KeyMaterial, InMemorySigner, Recipient, En
 use lightning::events;
 use lightning::events::MessageSendEventsProvider;
 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentSendFailure, ChannelManagerReadArgs, PaymentId, RecipientOnionFields};
+use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentSendFailure, ChannelManagerReadArgs, PaymentId};
+use lightning::ln::outbound_payment::RecipientOnionFields;
 use lightning::ln::channel::FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE;
 use lightning::ln::msgs::{self, CommitmentUpdate, ChannelMessageHandler, DecodeError, UpdateAddHTLC, Init};
 use lightning::ln::script::ShutdownScript;

fuzz/src/onion_message.rs

@@ -11,7 +11,8 @@ use lightning::ln::script::ShutdownScript;
 use lightning::util::enforcing_trait_impls::EnforcingSigner;
 use lightning::util::logger::Logger;
 use lightning::util::ser::{Readable, Writeable, Writer};
-use lightning::onion_message::{CustomOnionMessageContents, CustomOnionMessageHandler, OnionMessenger};
+use lightning::onion_message::packet::CustomOnionMessageContents;
+use lightning::onion_message::messenger::{OnionMessenger, CustomOnionMessageHandler};
 
 use crate::utils::test_logger;
 

lightning-invoice/src/lib.rs

@@ -455,6 +455,15 @@ pub enum TaggedField {
 pub struct Sha256(/// This is not exported to bindings users as the native hash types are not currently mapped
 	pub sha256::Hash);
 
+impl Sha256 {
+	/// Constructs a new [`Sha256`] from the given bytes, which are assumed to be the output of a
+	/// single sha256 hash.
+	#[cfg(c_bindings)]
+	pub fn from_bytes(bytes: &[u8; 32]) -> Self {
+		Self(sha256::Hash::from_slice(bytes).expect("from_slice only fails if len is not 32"))
+	}
+}
+
 /// Description string
 ///
 /// # Invariants

lightning-invoice/src/payment.rs

@@ -17,7 +17,8 @@ use lightning::chain;
 use lightning::chain::chaininterface::{BroadcasterInterface, FeeEstimator};
 use lightning::chain::keysinterface::{NodeSigner, SignerProvider, EntropySource};
 use lightning::ln::PaymentHash;
-use lightning::ln::channelmanager::{ChannelManager, PaymentId, Retry, RetryableSendFailure, RecipientOnionFields};
+use lightning::ln::channelmanager::{ChannelManager, PaymentId};
+use lightning::ln::outbound_payment::{RecipientOnionFields, RetryableSendFailure, Retry};
 use lightning::routing::router::{PaymentParameters, RouteParameters, Router};
 use lightning::util::logger::Logger;
 

lightning-invoice/src/utils.rs

@@ -667,7 +667,8 @@ mod test {
 	use lightning::chain::keysinterface::PhantomKeysManager;
 	use lightning::events::{MessageSendEvent, MessageSendEventsProvider, Event};
 	use lightning::ln::{PaymentPreimage, PaymentHash};
-	use lightning::ln::channelmanager::{PhantomRouteHints, MIN_FINAL_CLTV_EXPIRY_DELTA, PaymentId, RecipientOnionFields, Retry};
+	use lightning::ln::channelmanager::{PhantomRouteHints, MIN_FINAL_CLTV_EXPIRY_DELTA, PaymentId};
+	use lightning::ln::outbound_payment::{RecipientOnionFields, Retry};
 	use lightning::ln::functional_test_utils::*;
 	use lightning::ln::msgs::ChannelMessageHandler;
 	use lightning::routing::router::{PaymentParameters, RouteParameters};

lightning-persister/src/lib.rs

@@ -20,7 +20,7 @@ extern crate libc;
 use bitcoin::hash_types::{BlockHash, Txid};
 use bitcoin::hashes::hex::FromHex;
 use lightning::chain::channelmonitor::ChannelMonitor;
-use lightning::chain::keysinterface::{EntropySource, SignerProvider};
+use lightning::chain::keysinterface::{EntropySource, SignerProvider, WriteableEcdsaChannelSigner};
 use lightning::util::ser::{ReadableArgs, Writeable};
 use lightning::util::persist::KVStorePersister;
 use std::fs;
@@ -59,12 +59,11 @@ impl FilesystemPersister {
 	}
 
 	/// Read `ChannelMonitor`s from disk.
-	pub fn read_channelmonitors<ES: Deref, SP: Deref> (
-		&self, entropy_source: ES, signer_provider: SP
-	) -> std::io::Result<Vec<(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>)>>
+	pub fn read_channelmonitors<ES: Deref, WES: WriteableEcdsaChannelSigner, SP: SignerProvider<Signer = WES> + Sized, SPD: Deref<Target=SP>> (
+		&self, entropy_source: ES, signer_provider: SPD
+	) -> Result<Vec<(BlockHash, ChannelMonitor<WES>)>, std::io::Error>
 		where
 			ES::Target: EntropySource + Sized,
-			SP::Target: SignerProvider + Sized
 	{
 		let mut path = PathBuf::from(&self.path_to_channel_data);
 		path.push("monitors");
@@ -105,7 +104,7 @@ impl FilesystemPersister {
 
 			let contents = fs::read(&file.path())?;
 			let mut buffer = Cursor::new(&contents);
-			match <(BlockHash, ChannelMonitor<<SP::Target as SignerProvider>::Signer>)>::read(&mut buffer, (&*entropy_source, &*signer_provider)) {
+			match <(BlockHash, ChannelMonitor<WES>)>::read(&mut buffer, (&*entropy_source, &*signer_provider)) {
 				Ok((blockhash, channel_monitor)) => {
 					if channel_monitor.get_funding_txo().0.txid != txid || channel_monitor.get_funding_txo().0.index != index {
 						return Err(std::io::Error::new(std::io::ErrorKind::InvalidData,

lightning-rapid-gossip-sync/src/lib.rs

@@ -81,10 +81,10 @@ use lightning::io;
 use lightning::routing::gossip::NetworkGraph;
 use lightning::util::logger::Logger;
 
-pub use crate::error::GraphSyncError;
+use crate::error::GraphSyncError;
 
 /// Error types that these functions can return
-mod error;
+pub mod error;
 
 /// Core functionality of this crate
 mod processing;

lightning/src/chain/channelmonitor.rs

@@ -3772,8 +3772,8 @@ where
 
 const MAX_ALLOC_SIZE: usize = 64*1024;
 
-impl<'a, 'b, ES: EntropySource, SP: SignerProvider> ReadableArgs<(&'a ES, &'b SP)>
-		for (BlockHash, ChannelMonitor<SP::Signer>) {
+impl<'a, 'b, ES: EntropySource, SP: SignerProvider<Signer=Signer>, Signer: WriteableEcdsaChannelSigner> ReadableArgs<(&'a ES, &'b SP)>
+		for (BlockHash, ChannelMonitor<Signer>) {
 	fn read<R: io::Read>(reader: &mut R, args: (&'a ES, &'b SP)) -> Result<Self, DecodeError> {
 		macro_rules! unwrap_obj {
 			($key: expr) => {

lightning/src/ln/channel.rs

@@ -5539,7 +5539,7 @@ impl<Signer: WriteableEcdsaChannelSigner> Channel<Signer> {
 				return None;
 			}
 		};
-		let our_node_sig = match node_signer.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelAnnouncement(&announcement)) {
+		let our_node_sig = match node_signer.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelAnnouncement(announcement.clone())) {
 			Err(_) => {
 				log_error!(logger, "Failed to generate node signature for channel_announcement. Channel will not be announced!");
 				return None;
@@ -5573,7 +5573,7 @@ impl<Signer: WriteableEcdsaChannelSigner> Channel<Signer> {
 				.map_err(|_| ChannelError::Ignore("Signer failed to retrieve own public key".to_owned()))?);
 			let were_node_one = announcement.node_id_1 == our_node_key;
 
-			let our_node_sig = node_signer.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelAnnouncement(&announcement))
+			let our_node_sig = node_signer.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelAnnouncement(announcement.clone()))
 				.map_err(|_| ChannelError::Ignore("Failed to generate node signature for channel_announcement".to_owned()))?;
 			let our_bitcoin_sig = self.holder_signer.sign_channel_announcement_with_funding_key(&announcement, &self.secp_ctx)
 				.map_err(|_| ChannelError::Ignore("Signer rejected channel_announcement".to_owned()))?;

lightning/src/ln/channelmanager.rs

@@ -77,7 +77,7 @@ use core::time::Duration;
 use core::ops::Deref;
 
 // Re-export this for use in the public API.
-pub use crate::ln::outbound_payment::{PaymentSendFailure, Retry, RetryableSendFailure, RecipientOnionFields};
+pub(crate) use crate::ln::outbound_payment::{PaymentSendFailure, Retry, RetryableSendFailure, RecipientOnionFields};
 
 // We hold various information about HTLC relay in the HTLC objects in Channel itself:
 //
@@ -2650,7 +2650,7 @@ where
 		// If we returned an error and the `node_signer` cannot provide a signature for whatever
 		// reason`, we wouldn't be able to receive inbound payments through the corresponding
 		// channel.
-		let sig = self.node_signer.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelUpdate(&unsigned)).unwrap();
+		let sig = self.node_signer.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelUpdate(unsigned.clone())).unwrap();
 
 		Ok(msgs::ChannelUpdate {
 			signature: sig,

lightning/src/ln/mod.rs

@@ -32,7 +32,7 @@ pub mod channel;
 pub(crate) mod channel;
 
 pub(crate) mod onion_utils;
-mod outbound_payment;
+pub mod outbound_payment;
 pub mod wire;
 
 // Older rustc (which we support) refuses to let us call the get_payment_preimage_hash!() macro

lightning/src/ln/msgs.rs

@@ -658,16 +658,17 @@ impl Readable for NetAddress {
 }
 
 /// Represents the set of gossip messages that require a signature from a node's identity key.
-pub enum UnsignedGossipMessage<'a> {
+#[derive(Clone)]
+pub enum UnsignedGossipMessage {
 	/// An unsigned channel announcement.
-	ChannelAnnouncement(&'a UnsignedChannelAnnouncement),
+	ChannelAnnouncement(UnsignedChannelAnnouncement),
 	/// An unsigned channel update.
-	ChannelUpdate(&'a UnsignedChannelUpdate),
+	ChannelUpdate(UnsignedChannelUpdate),
 	/// An unsigned node announcement.
-	NodeAnnouncement(&'a UnsignedNodeAnnouncement)
+	NodeAnnouncement(UnsignedNodeAnnouncement)
 }
 
-impl<'a> Writeable for UnsignedGossipMessage<'a> {
+impl Writeable for UnsignedGossipMessage {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
 		match self {
 			UnsignedGossipMessage::ChannelAnnouncement(ref msg) => msg.write(writer),

lightning/src/ln/peer_handler.rs

@@ -27,7 +27,8 @@ use crate::util::ser::{VecWriter, Writeable, Writer};
 use crate::ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep};
 use crate::ln::wire;
 use crate::ln::wire::Encode;
-use crate::onion_message::{CustomOnionMessageContents, CustomOnionMessageHandler, SimpleArcOnionMessenger, SimpleRefOnionMessenger};
+use crate::onion_message::messenger::{CustomOnionMessageHandler, SimpleArcOnionMessenger, SimpleRefOnionMessenger};
+use crate::onion_message::packet::CustomOnionMessageContents;
 use crate::routing::gossip::{NetworkGraph, P2PGossipSync, NodeId, NodeAlias};
 use crate::util::atomic_counter::AtomicCounter;
 use crate::util::logger::Logger;
@@ -2160,7 +2161,7 @@ impl<Descriptor: SocketDescriptor, CM: Deref, RM: Deref, OM: Deref, L: Deref, CM
 			excess_data: Vec::new(),
 		};
 		let node_announce_sig = match self.node_signer.sign_gossip_message(
-			msgs::UnsignedGossipMessage::NodeAnnouncement(&announcement)
+			msgs::UnsignedGossipMessage::NodeAnnouncement(announcement.clone())
 		) {
 			Ok(sig) => sig,
 			Err(_) => {

lightning/src/ln/priv_short_conf_tests.rs

@@ -506,7 +506,7 @@ fn test_scid_alias_returned() {
 		fee_proportional_millionths: last_hop[0].counterparty.forwarding_info.as_ref().unwrap().fee_proportional_millionths,
 		excess_data: Vec::new(),
 	};
-	let signature = nodes[1].keys_manager.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelUpdate(&contents)).unwrap();
+	let signature = nodes[1].keys_manager.sign_gossip_message(msgs::UnsignedGossipMessage::ChannelUpdate(contents.clone())).unwrap();
 	let msg = msgs::ChannelUpdate { signature, contents };
 
 	let mut err_data = Vec::new();

lightning/src/offers/invoice.rs

@@ -134,6 +134,8 @@ pub(super) const SIGNATURE_TAG: &'static str = concat!("lightning", "invoice", "
 ///
 /// See [module-level documentation] for usage.
 ///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+///
 /// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
 /// [`Refund`]: crate::offers::refund::Refund
 /// [module-level documentation]: self
@@ -145,12 +147,18 @@ pub struct InvoiceBuilder<'a, S: SigningPubkeyStrategy> {
 }
 
 /// Indicates how [`Invoice::signing_pubkey`] was set.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
 pub trait SigningPubkeyStrategy {}
 
 /// [`Invoice::signing_pubkey`] was explicitly set.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
 pub struct ExplicitSigningPubkey {}
 
 /// [`Invoice::signing_pubkey`] was derived.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
 pub struct DerivedSigningPubkey {}
 
 impl SigningPubkeyStrategy for ExplicitSigningPubkey {}
@@ -303,6 +311,8 @@ impl<'a, S: SigningPubkeyStrategy> InvoiceBuilder<'a, S> {
 	///
 	/// Successive calls to this method will add another address. Caller is responsible for not
 	/// adding duplicate addresses and only calling if capable of receiving to P2TR addresses.
+	///
+	/// This is not exported to bindings users as TweakedPublicKey isn't yet mapped.
 	pub fn fallback_v1_p2tr_tweaked(mut self, output_key: &TweakedPublicKey) -> Self {
 		let address = FallbackAddress {
 			version: WitnessVersion::V1.to_num(),
@@ -369,6 +379,8 @@ impl<'a> UnsignedInvoice<'a> {
 	}
 
 	/// Signs the invoice using the given function.
+	///
+	/// This is not exported to bindings users as functions aren't currently mapped.
 	pub fn sign<F, E>(self, sign: F) -> Result<Invoice, SignError<E>>
 	where
 		F: FnOnce(&Message) -> Result<Signature, E>
@@ -405,6 +417,8 @@ impl<'a> UnsignedInvoice<'a> {
 /// An invoice may be sent in response to an [`InvoiceRequest`] in the case of an offer or sent
 /// directly after scanning a refund. It includes all the information needed to pay a recipient.
 ///
+/// This is not exported to bindings users as its name conflicts with the BOLT 11 Invoice type.
+///
 /// [`Offer`]: crate::offers::offer::Offer
 /// [`Refund`]: crate::offers::refund::Refund
 /// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
@@ -464,6 +478,8 @@ impl Invoice {
 	///
 	/// Blinded paths provide recipient privacy by obfuscating its node id. Note, however, that this
 	/// privacy is lost if a public node id is used for [`Invoice::signing_pubkey`].
+	///
+	/// This is not exported to bindings users as a slice of tuples isn't exportable.
 	pub fn payment_paths(&self) -> &[(BlindedPath, BlindedPayInfo)] {
 		&self.contents.fields().payment_paths[..]
 	}
@@ -504,6 +520,8 @@ impl Invoice {
 
 	/// Fallback addresses for paying the invoice on-chain, in order of most-preferred to
 	/// least-preferred.
+	///
+	/// This is not exported to bindings users as Address is not yet mapped
 	pub fn fallbacks(&self) -> Vec<Address> {
 		let network = match self.network() {
 			None => return Vec::new(),
@@ -568,6 +586,8 @@ impl Invoice {
 	}
 
 	/// Signature of the invoice verified using [`Invoice::signing_pubkey`].
+	///
+	/// This is not exported to bindings users as SIgnature is not yet mapped.
 	pub fn signature(&self) -> Signature {
 		self.signature
 	}

lightning/src/offers/invoice_request.rs

@@ -84,6 +84,8 @@ pub(super) const IV_BYTES: &[u8; IV_LEN] = b"LDK Invreq ~~~~~";
 ///
 /// See [module-level documentation] for usage.
 ///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+///
 /// [module-level documentation]: self
 pub struct InvoiceRequestBuilder<'a, 'b, P: PayerIdStrategy, T: secp256k1::Signing> {
 	offer: &'a Offer,
@@ -94,12 +96,18 @@ pub struct InvoiceRequestBuilder<'a, 'b, P: PayerIdStrategy, T: secp256k1::Signi
 }
 
 /// Indicates how [`InvoiceRequest::payer_id`] will be set.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
 pub trait PayerIdStrategy {}
 
 /// [`InvoiceRequest::payer_id`] will be explicitly set.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
 pub struct ExplicitPayerId {}
 
 /// [`InvoiceRequest::payer_id`] will be derived.
+///
+/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
 pub struct DerivedPayerId {}
 
 impl PayerIdStrategy for ExplicitPayerId {}
@@ -340,6 +348,8 @@ pub struct UnsignedInvoiceRequest<'a> {
 
 impl<'a> UnsignedInvoiceRequest<'a> {
 	/// Signs the invoice request using the given function.
+	///
+	/// This is not exported to bindings users as functions are not yet mapped.
 	pub fn sign<F, E>(self, sign: F) -> Result<InvoiceRequest, SignError<E>>
 	where
 		F: FnOnce(&Message) -> Result<Signature, E>
@@ -454,6 +464,8 @@ impl InvoiceRequest {
 
 	/// Signature of the invoice request using [`payer_id`].
 	///
+	/// This is not exported to bindings users as Signature is not yet mapped.
+	///
 	/// [`payer_id`]: Self::payer_id
 	pub fn signature(&self) -> Signature {
 		self.signature
@@ -465,6 +477,8 @@ impl InvoiceRequest {
 	/// See [`InvoiceRequest::respond_with_no_std`] for further details where the aforementioned
 	/// creation time is used for the `created_at` parameter.
 	///
+	/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+	///
 	/// [`Duration`]: core::time::Duration
 	#[cfg(feature = "std")]
 	pub fn respond_with(
@@ -493,6 +507,8 @@ impl InvoiceRequest {
 	///
 	/// Errors if the request contains unknown required features.
 	///
+	/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+	///
 	/// [`Invoice::created_at`]: crate::offers::invoice::Invoice::created_at
 	pub fn respond_with_no_std(
 		&self, payment_paths: Vec<(BlindedPath, BlindedPayInfo)>, payment_hash: PaymentHash,
@@ -511,6 +527,8 @@ impl InvoiceRequest {
 	///
 	/// See [`InvoiceRequest::respond_with`] for further details.
 	///
+	/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+	///
 	/// [`Invoice`]: crate::offers::invoice::Invoice
 	#[cfg(feature = "std")]
 	pub fn verify_and_respond_using_derived_keys<T: secp256k1::Signing>(
@@ -532,6 +550,8 @@ impl InvoiceRequest {
 	///
 	/// See [`InvoiceRequest::respond_with_no_std`] for further details.
 	///
+	/// This is not exported to bindings users as builder patterns don't map outside of move semantics.
+	///
 	/// [`Invoice`]: crate::offers::invoice::Invoice
 	pub fn verify_and_respond_using_derived_keys_no_std<T: secp256k1::Signing>(
 		&self, payment_paths: Vec<(BlindedPath, BlindedPayInfo)>, payment_hash: PaymentHash,
@@ -554,6 +574,8 @@ impl InvoiceRequest {
 	/// keys need to sign an [`Invoice`] for the request if they could be extracted from the
 	/// metadata.
 	///
+	/// This is not exported to bindings users as KeyPair is not yet mapped.
+	///
 	/// [`Invoice`]: crate::offers::invoice::Invoice
 	pub fn verify<T: secp256k1::Signing>(
 		&self, key: &ExpandedKey, secp_ctx: &Secp256k1<T>