0.0.123 Backports

lightning-background-processor/src/lib.rs

@@ -932,7 +932,7 @@ mod tests {
 	use lightning::chain::transaction::OutPoint;
 	use lightning::events::{Event, PathFailure, MessageSendEventsProvider, MessageSendEvent};
 	use lightning::{get_event_msg, get_event};
-	use lightning::ln::{PaymentHash, ChannelId};
+	use lightning::ln::types::{PaymentHash, ChannelId};
 	use lightning::ln::channelmanager;
 	use lightning::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChainParameters, MIN_CLTV_EXPIRY_DELTA, PaymentId};
 	use lightning::ln::features::{ChannelFeatures, NodeFeatures};

lightning-custom-message/src/lib.rs

@@ -12,6 +12,7 @@
 //! `Foo` and `Bar` messages, and further composing it with a handler for `Baz` messages.
 //!
 //!```
+//! # fn main() {} // Avoid #[macro_export] generating an in-function warning
 //! # extern crate bitcoin;
 //! extern crate lightning;
 //! #[macro_use]
@@ -167,7 +168,6 @@
 //! #     }
 //! }
 //!
-//! # fn main() {
 //! // The first crate may define a handler composing `FooHandler` and `BarHandler` and export the
 //! // corresponding message type ids as a macro to use in further composition.
 //!
@@ -207,7 +207,6 @@
 //! macro_rules! foo_bar_baz_type_ids {
 //!     () => { foo_bar_type_ids!() | baz_type_id!() }
 //! }
-//! # }
 //!```
 //!
 //! [BOLT 1]: https://github.com/lightning/bolts/blob/master/01-messaging.md

lightning-invoice/src/de.rs

@@ -15,7 +15,7 @@ use bitcoin::address::WitnessVersion;
 use bitcoin::hashes::Hash;
 use bitcoin::hashes::sha256;
 use crate::prelude::*;
-use lightning::ln::PaymentSecret;
+use lightning::ln::types::PaymentSecret;
 use lightning::routing::gossip::RoutingFees;
 use lightning::routing::router::{RouteHint, RouteHintHop};
 

lightning-invoice/src/lib.rs

@@ -65,7 +65,7 @@ use core::str;
 use serde::{Deserialize, Deserializer,Serialize, Serializer, de::Error};
 
 #[doc(no_inline)]
-pub use lightning::ln::PaymentSecret;
+pub use lightning::ln::types::PaymentSecret;
 #[doc(no_inline)]
 pub use lightning::routing::router::{RouteHint, RouteHintHop};
 #[doc(no_inline)]
@@ -162,7 +162,7 @@ pub const DEFAULT_MIN_FINAL_CLTV_EXPIRY_DELTA: u64 = 18;
 /// use secp256k1::Secp256k1;
 /// use secp256k1::SecretKey;
 ///
-/// use lightning::ln::PaymentSecret;
+/// use lightning::ln::types::PaymentSecret;
 ///
 /// use lightning_invoice::{Currency, InvoiceBuilder};
 ///
@@ -577,7 +577,13 @@ impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Boo
 
 	/// Sets the amount in millisatoshis. The optimal SI prefix is chosen automatically.
 	pub fn amount_milli_satoshis(mut self, amount_msat: u64) -> Self {
-		let amount = amount_msat * 10; // Invoices are denominated in "pico BTC"
+		let amount = match amount_msat.checked_mul(10) { // Invoices are denominated in "pico BTC"
+			Some(amt) => amt,
+			None => {
+				self.error = Some(CreationError::InvalidAmount);
+				return self
+			}
+		};
 		let biggest_possible_si_prefix = SiPrefix::values_desc()
 			.iter()
 			.find(|prefix| amount % prefix.multiplier() == 0)
@@ -1068,9 +1074,10 @@ impl RawBolt11Invoice {
 		find_all_extract!(self.known_tagged_fields(), TaggedField::PrivateRoute(ref x), x).collect()
 	}
 
+	/// Returns `None` if no amount is set or on overflow.
 	pub fn amount_pico_btc(&self) -> Option<u64> {
-		self.hrp.raw_amount.map(|v| {
-			v * self.hrp.si_prefix.as_ref().map_or(1_000_000_000_000, |si| { si.multiplier() })
+		self.hrp.raw_amount.and_then(|v| {
+			v.checked_mul(self.hrp.si_prefix.as_ref().map_or(1_000_000_000_000, |si| { si.multiplier() }))
 		})
 	}
 
@@ -1876,7 +1883,7 @@ mod test {
 			 Bolt11SemanticError};
 
 		let private_key = SecretKey::from_slice(&[42; 32]).unwrap();
-		let payment_secret = lightning::ln::PaymentSecret([21; 32]);
+		let payment_secret = lightning::ln::types::PaymentSecret([21; 32]);
 		let invoice_template = RawBolt11Invoice {
 			hrp: RawHrp {
 				currency: Currency::Bitcoin,

lightning-invoice/src/payment.rs

@@ -12,7 +12,7 @@
 use crate::Bolt11Invoice;
 use bitcoin::hashes::Hash;
 
-use lightning::ln::PaymentHash;
+use lightning::ln::types::PaymentHash;
 use lightning::ln::channelmanager::RecipientOnionFields;
 use lightning::routing::router::{PaymentParameters, RouteParameters};
 
@@ -85,7 +85,7 @@ mod tests {
 	use super::*;
 	use crate::{InvoiceBuilder, Currency};
 	use bitcoin::hashes::sha256::Hash as Sha256;
-	use lightning::ln::PaymentSecret;
+	use lightning::ln::types::PaymentSecret;
 	use lightning::routing::router::Payee;
 	use secp256k1::{SecretKey, PublicKey, Secp256k1};
 	use core::time::Duration;

lightning-invoice/src/utils.rs

@@ -8,7 +8,7 @@ use bitcoin::hashes::Hash;
 use lightning::chain;
 use lightning::chain::chaininterface::{BroadcasterInterface, FeeEstimator};
 use lightning::sign::{Recipient, NodeSigner, SignerProvider, EntropySource};
-use lightning::ln::{PaymentHash, PaymentSecret};
+use lightning::ln::types::{PaymentHash, PaymentSecret};
 use lightning::ln::channelmanager::{ChannelDetails, ChannelManager, MIN_FINAL_CLTV_EXPIRY_DELTA};
 use lightning::ln::channelmanager::{PhantomRouteHints, MIN_CLTV_EXPIRY_DELTA};
 use lightning::ln::inbound_payment::{create, create_from_hash, ExpandedKey};
@@ -824,9 +824,9 @@ mod test {
 	use bitcoin::hashes::sha256::Hash as Sha256;
 	use lightning::sign::PhantomKeysManager;
 	use lightning::events::{MessageSendEvent, MessageSendEventsProvider};
-	use lightning::ln::PaymentHash;
+	use lightning::ln::types::PaymentHash;
 	#[cfg(feature = "std")]
-	use lightning::ln::PaymentPreimage;
+	use lightning::ln::types::PaymentPreimage;
 	use lightning::ln::channelmanager::{PhantomRouteHints, MIN_FINAL_CLTV_EXPIRY_DELTA, PaymentId, RecipientOnionFields, Retry};
 	use lightning::ln::functional_test_utils::*;
 	use lightning::ln::msgs::ChannelMessageHandler;

lightning/src/blinded_path/message.rs

@@ -3,7 +3,7 @@ use bitcoin::secp256k1::{self, PublicKey, Secp256k1, SecretKey};
 #[allow(unused_imports)]
 use crate::prelude::*;
 
-use crate::blinded_path::{BlindedHop, BlindedPath, IntroductionNode, NodeIdLookUp};
+use crate::blinded_path::{BlindedHop, BlindedPath, IntroductionNode, NextMessageHop, NodeIdLookUp};
 use crate::blinded_path::utils;
 use crate::io;
 use crate::io::Cursor;
@@ -20,7 +20,7 @@ use core::ops::Deref;
 /// route, they are encoded into [`BlindedHop::encrypted_payload`].
 pub(crate) struct ForwardTlvs {
 	/// The next hop in the onion message's path.
-	pub(crate) next_hop: NextHop,
+	pub(crate) next_hop: NextMessageHop,
 	/// Senders to a blinded path use this value to concatenate the route they find to the
 	/// introduction node with the blinded path.
 	pub(crate) next_blinding_override: Option<PublicKey>,
@@ -34,20 +34,11 @@ pub(crate) struct ReceiveTlvs {
 	pub(crate) path_id: Option<[u8; 32]>,
 }
 
-/// The next hop to forward the onion message along its path.
-#[derive(Debug)]
-pub enum NextHop {
-	/// The node id of the next hop.
-	NodeId(PublicKey),
-	/// The short channel id leading to the next hop.
-	ShortChannelId(u64),
-}
-
 impl Writeable for ForwardTlvs {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
 		let (next_node_id, short_channel_id) = match self.next_hop {
-			NextHop::NodeId(pubkey) => (Some(pubkey), None),
-			NextHop::ShortChannelId(scid) => (None, Some(scid)),
+			NextMessageHop::NodeId(pubkey) => (Some(pubkey), None),
+			NextMessageHop::ShortChannelId(scid) => (None, Some(scid)),
 		};
 		// TODO: write padding
 		encode_tlv_stream!(writer, {
@@ -75,7 +66,7 @@ pub(super) fn blinded_hops<T: secp256k1::Signing + secp256k1::Verification>(
 ) -> Result<Vec<BlindedHop>, secp256k1::Error> {
 	let blinded_tlvs = unblinded_path.iter()
 		.skip(1) // The first node's TLVs contains the next node's pubkey
-		.map(|pk| ForwardTlvs { next_hop: NextHop::NodeId(*pk), next_blinding_override: None })
+		.map(|pk| ForwardTlvs { next_hop: NextMessageHop::NodeId(*pk), next_blinding_override: None })
 		.map(|tlvs| ControlTlvs::Forward(tlvs))
 		.chain(core::iter::once(ControlTlvs::Receive(ReceiveTlvs { path_id: None })));
 
@@ -102,8 +93,8 @@ where
 			readable: ControlTlvs::Forward(ForwardTlvs { next_hop, next_blinding_override })
 		}) => {
 			let next_node_id = match next_hop {
-				NextHop::NodeId(pubkey) => pubkey,
-				NextHop::ShortChannelId(scid) => match node_id_lookup.next_node_id(scid) {
+				NextMessageHop::NodeId(pubkey) => pubkey,
+				NextMessageHop::ShortChannelId(scid) => match node_id_lookup.next_node_id(scid) {
 					Some(pubkey) => pubkey,
 					None => return Err(()),
 				},

lightning/src/blinded_path/mod.rs

@@ -24,6 +24,17 @@ use crate::util::ser::{Readable, Writeable, Writer};
 use crate::io;
 use crate::prelude::*;
 
+/// The next hop to forward an onion message along its path.
+///
+/// Note that payment blinded paths always specify their next hop using an explicit node id.
+#[derive(Clone, Debug, Hash, PartialEq, Eq)]
+pub enum NextMessageHop {
+	/// The node id of the next hop.
+	NodeId(PublicKey),
+	/// The short channel id leading to the next hop.
+	ShortChannelId(u64),
+}
+
 /// Onion messages and payments can be sent and received to blinded paths, which serve to hide the
 /// identity of the recipient.
 #[derive(Clone, Debug, Hash, PartialEq, Eq)]

lightning/src/blinded_path/payment.rs

@@ -7,7 +7,7 @@ use bitcoin::secp256k1::{self, PublicKey, Secp256k1, SecretKey};
 use crate::blinded_path::BlindedHop;
 use crate::blinded_path::utils;
 use crate::io;
-use crate::ln::PaymentSecret;
+use crate::ln::types::PaymentSecret;
 use crate::ln::channelmanager::CounterpartyForwardingInfo;
 use crate::ln::features::BlindedHopFeatures;
 use crate::ln::msgs::DecodeError;
@@ -425,7 +425,7 @@ impl_writeable_tlv_based!(Bolt12RefundContext, {});
 mod tests {
 	use bitcoin::secp256k1::PublicKey;
 	use crate::blinded_path::payment::{ForwardNode, ForwardTlvs, ReceiveTlvs, PaymentConstraints, PaymentContext, PaymentRelay};
-	use crate::ln::PaymentSecret;
+	use crate::ln::types::PaymentSecret;
 	use crate::ln::features::BlindedHopFeatures;
 	use crate::ln::functional_test_utils::TEST_FINAL_CLTV;
 

lightning/src/chain/chainmonitor.rs

@@ -31,7 +31,7 @@ use crate::chain::{ChannelMonitorUpdateStatus, Filter, WatchedOutput};
 use crate::chain::chaininterface::{BroadcasterInterface, FeeEstimator};
 use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, Balance, MonitorEvent, TransactionOutputs, WithChannelMonitor, LATENCY_GRACE_PERIOD_BLOCKS};
 use crate::chain::transaction::{OutPoint, TransactionData};
-use crate::ln::ChannelId;
+use crate::ln::types::ChannelId;
 use crate::sign::ecdsa::WriteableEcdsaChannelSigner;
 use crate::events;
 use crate::events::{Event, EventHandler};
@@ -296,6 +296,8 @@ pub struct ChainMonitor<ChannelSigner: WriteableEcdsaChannelSigner, C: Deref, T:
 	/// The best block height seen, used as a proxy for the passage of time.
 	highest_chain_height: AtomicUsize,
 
+	/// A [`Notifier`] used to wake up the background processor in case we have any [`Event`]s for
+	/// it to give to users (or [`MonitorEvent`]s for `ChannelManager` to process).
 	event_notifier: Notifier,
 }
 
@@ -738,6 +740,8 @@ where
 			monitor.block_connected(
 				header, txdata, height, &*self.broadcaster, &*self.fee_estimator, &self.logger)
 		});
+		// Assume we may have some new events and wake the event processor
+		self.event_notifier.notify();
 	}
 
 	fn block_disconnected(&self, header: &Header, height: u32) {
@@ -765,6 +769,8 @@ where
 			monitor.transactions_confirmed(
 				header, txdata, height, &*self.broadcaster, &*self.fee_estimator, &self.logger)
 		});
+		// Assume we may have some new events and wake the event processor
+		self.event_notifier.notify();
 	}
 
 	fn transaction_unconfirmed(&self, txid: &Txid) {
@@ -785,6 +791,8 @@ where
 				header, height, &*self.broadcaster, &*self.fee_estimator, &self.logger
 			)
 		});
+		// Assume we may have some new events and wake the event processor
+		self.event_notifier.notify();
 	}
 
 	fn get_relevant_txids(&self) -> Vec<(Txid, u32, Option<BlockHash>)> {

lightning/src/chain/channelmonitor.rs

@@ -34,7 +34,7 @@ use bitcoin::secp256k1;
 use bitcoin::sighash::EcdsaSighashType;
 
 use crate::ln::channel::INITIAL_COMMITMENT_NUMBER;
-use crate::ln::{PaymentHash, PaymentPreimage, ChannelId};
+use crate::ln::types::{PaymentHash, PaymentPreimage, ChannelId};
 use crate::ln::msgs::DecodeError;
 use crate::ln::channel_keys::{DelayedPaymentKey, DelayedPaymentBasepoint, HtlcBasepoint, HtlcKey, RevocationKey, RevocationBasepoint};
 use crate::ln::chan_utils::{self,CommitmentTransaction, CounterpartyCommitmentSecrets, HTLCOutputInCommitment, HTLCClaim, ChannelTransactionParameters, HolderCommitmentTransaction, TxCreationKeys};
@@ -4811,7 +4811,7 @@ mod tests {
 	use crate::chain::package::{weight_offered_htlc, weight_received_htlc, weight_revoked_offered_htlc, weight_revoked_received_htlc, WEIGHT_REVOKED_OUTPUT};
 	use crate::chain::transaction::OutPoint;
 	use crate::sign::InMemorySigner;
-	use crate::ln::{PaymentPreimage, PaymentHash, ChannelId};
+	use crate::ln::types::{PaymentPreimage, PaymentHash, ChannelId};
 	use crate::ln::channel_keys::{DelayedPaymentBasepoint, DelayedPaymentKey, HtlcBasepoint, RevocationBasepoint, RevocationKey};
 	use crate::ln::chan_utils::{self,HTLCOutputInCommitment, ChannelPublicKeys, ChannelTransactionParameters, HolderCommitmentTransaction, CounterpartyChannelTransactionParameters};
 	use crate::ln::channelmanager::{PaymentSendFailure, PaymentId, RecipientOnionFields};

lightning/src/chain/mod.rs

@@ -17,7 +17,7 @@ use bitcoin::network::constants::Network;
 use bitcoin::secp256k1::PublicKey;
 
 use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, MonitorEvent};
-use crate::ln::ChannelId;
+use crate::ln::types::ChannelId;
 use crate::sign::ecdsa::WriteableEcdsaChannelSigner;
 use crate::chain::transaction::{OutPoint, TransactionData};
 use crate::impl_writeable_tlv_based;

lightning/src/chain/onchaintx.rs

@@ -25,7 +25,7 @@ use bitcoin::secp256k1;
 use crate::chain::chaininterface::compute_feerate_sat_per_1000_weight;
 use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, ChannelSigner, EntropySource, SignerProvider, ecdsa::WriteableEcdsaChannelSigner};
 use crate::ln::msgs::DecodeError;
-use crate::ln::PaymentPreimage;
+use crate::ln::types::PaymentPreimage;
 use crate::ln::chan_utils::{self, ChannelTransactionParameters, HTLCOutputInCommitment, HolderCommitmentTransaction};
 use crate::chain::ClaimId;
 use crate::chain::chaininterface::{ConfirmationTarget, FeeEstimator, BroadcasterInterface, LowerBoundedFeeEstimator};

lightning/src/chain/package.rs

@@ -22,7 +22,7 @@ use bitcoin::hash_types::Txid;
 use bitcoin::secp256k1::{SecretKey,PublicKey};
 use bitcoin::sighash::EcdsaSighashType;
 
-use crate::ln::PaymentPreimage;
+use crate::ln::types::PaymentPreimage;
 use crate::ln::chan_utils::{self, TxCreationKeys, HTLCOutputInCommitment};
 use crate::ln::features::ChannelTypeFeatures;
 use crate::ln::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint};
@@ -1195,7 +1195,7 @@ mod tests {
 	use crate::chain::package::{CounterpartyOfferedHTLCOutput, CounterpartyReceivedHTLCOutput, HolderHTLCOutput, PackageTemplate, PackageSolvingData, RevokedOutput, WEIGHT_REVOKED_OUTPUT, weight_offered_htlc, weight_received_htlc};
 	use crate::chain::Txid;
 	use crate::ln::chan_utils::HTLCOutputInCommitment;
-	use crate::ln::{PaymentPreimage, PaymentHash};
+	use crate::ln::types::{PaymentPreimage, PaymentHash};
 	use crate::ln::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint};
 
 	use bitcoin::blockdata::constants::WITNESS_SCALE_FACTOR;

lightning/src/chain/transaction.rs

@@ -88,7 +88,7 @@ impl MaybeSignedTransaction {
 #[cfg(test)]
 mod tests {
 	use crate::chain::transaction::OutPoint;
-	use crate::ln::ChannelId;
+	use crate::ln::types::ChannelId;
 
 	use bitcoin::blockdata::transaction::Transaction;
 	use bitcoin::consensus::encode;

lightning/src/events/bump_transaction.rs

@@ -18,7 +18,7 @@ use crate::chain::chaininterface::{BroadcasterInterface, fee_for_weight};
 use crate::chain::ClaimId;
 use crate::io_extras::sink;
 use crate::ln::channel::ANCHOR_OUTPUT_VALUE_SATOSHI;
-use crate::ln::ChannelId;
+use crate::ln::types::ChannelId;
 use crate::ln::chan_utils;
 use crate::ln::chan_utils::{
 	ANCHOR_INPUT_WITNESS_WEIGHT, HTLC_SUCCESS_INPUT_ANCHOR_WITNESS_WEIGHT,

lightning/src/events/mod.rs

@@ -24,7 +24,7 @@ use crate::ln::channelmanager::{InterceptId, PaymentId, RecipientOnionFields};
 use crate::ln::channel::FUNDING_CONF_DEADLINE_BLOCKS;
 use crate::ln::features::ChannelTypeFeatures;
 use crate::ln::msgs;
-use crate::ln::{ChannelId, PaymentPreimage, PaymentHash, PaymentSecret};
+use crate::ln::types::{ChannelId, PaymentPreimage, PaymentHash, PaymentSecret};
 use crate::chain::transaction;
 use crate::routing::gossip::NetworkUpdate;
 use crate::util::errors::APIError;

lightning/src/ln/blinded_payment_tests.rs

@@ -11,7 +11,7 @@ use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
 use crate::blinded_path::BlindedPath;
 use crate::blinded_path::payment::{ForwardNode, ForwardTlvs, PaymentConstraints, PaymentContext, PaymentRelay, ReceiveTlvs};
 use crate::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PaymentFailureReason};
-use crate::ln::PaymentSecret;
+use crate::ln::types::PaymentSecret;
 use crate::ln::channelmanager;
 use crate::ln::channelmanager::{PaymentId, RecipientOnionFields};
 use crate::ln::features::BlindedHopFeatures;

lightning/src/ln/chan_utils.rs

@@ -25,7 +25,7 @@ use bitcoin::hash_types::{Txid, PubkeyHash, WPubkeyHash};
 use crate::chain::chaininterface::fee_for_weight;
 use crate::chain::package::WEIGHT_REVOKED_OUTPUT;
 use crate::sign::EntropySource;
-use crate::ln::{PaymentHash, PaymentPreimage};
+use crate::ln::types::{PaymentHash, PaymentPreimage};
 use crate::ln::msgs::DecodeError;
 use crate::util::ser::{Readable, RequiredWrapper, Writeable, Writer};
 use crate::util::transaction_utils;
@@ -1826,7 +1826,7 @@ mod tests {
 	use bitcoin::{Network, Txid, ScriptBuf};
 	use bitcoin::hashes::Hash;
 	use bitcoin::hashes::hex::FromHex;
-	use crate::ln::PaymentHash;
+	use crate::ln::types::PaymentHash;
 	use bitcoin::address::Payload;
 	use bitcoin::PublicKey as BitcoinPublicKey;
 	use crate::ln::features::ChannelTypeFeatures;

lightning/src/ln/chanmon_update_fail_tests.rs

@@ -21,7 +21,8 @@ use crate::chain::{ChannelMonitorUpdateStatus, Listen, Watch};
 use crate::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose, ClosureReason, HTLCDestination};
 use crate::ln::channelmanager::{RAACommitmentOrder, PaymentSendFailure, PaymentId, RecipientOnionFields};
 use crate::ln::channel::{AnnouncementSigsState, ChannelPhase};
-use crate::ln::{msgs, ChannelId};
+use crate::ln::msgs;
+use crate::ln::types::ChannelId;
 use crate::ln::msgs::{ChannelMessageHandler, RoutingMessageHandler};
 use crate::util::test_channel_signer::TestChannelSigner;
 use crate::util::errors::APIError;