Split up generic parameters that used to comprise KeysInterface.

Author: arik-so

fuzz/src/chanmon_consistency.rs

@@ -141,7 +141,7 @@ impl chain::Watch<EnforcingSigner> for TestChainMonitor {
 			hash_map::Entry::Vacant(_) => panic!("Didn't have monitor on update call"),
 		};
 		let deserialized_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::
-			read(&mut Cursor::new(&map_entry.get().1), &*self.keys).unwrap().1;
+			read(&mut Cursor::new(&map_entry.get().1), (&*self.keys, &*self.keys)).unwrap().1;
 		deserialized_monitor.update_monitor(&update, &&TestBroadcaster{}, &FuzzEstimator { ret_val: atomic::AtomicU32::new(253) }, &self.logger).unwrap();
 		let mut ser = VecWriter(Vec::new());
 		deserialized_monitor.write(&mut ser).unwrap();
@@ -308,7 +308,7 @@ fn check_payment_err(send_err: PaymentSendFailure) {
 	}
 }
 
-type ChanMan = ChannelManager<Arc<TestChainMonitor>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
+type ChanMan = ChannelManager<Arc<TestChainMonitor>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
 
 #[inline]
 fn get_payment_secret_hash(dest: &ChanMan, payment_id: &mut u8) -> Option<(PaymentSecret, PaymentHash)> {
@@ -397,7 +397,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 				network,
 				best_block: BestBlock::from_genesis(network),
 			};
-			(ChannelManager::new($fee_estimator.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params),
+			(ChannelManager::new($fee_estimator.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), config, params),
 			monitor, keys_manager)
 		} }
 	}
@@ -418,7 +418,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 			let mut monitors = HashMap::new();
 			let mut old_monitors = $old_monitors.latest_monitors.lock().unwrap();
 			for (outpoint, (update_id, monitor_ser)) in old_monitors.drain() {
-				monitors.insert(outpoint, <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(&monitor_ser), &*$keys_manager).expect("Failed to read monitor").1);
+				monitors.insert(outpoint, <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(&monitor_ser), (&*$keys_manager, &*$keys_manager)).expect("Failed to read monitor").1);
 				chain_monitor.latest_monitors.lock().unwrap().insert(outpoint, (update_id, monitor_ser));
 			}
 			let mut monitor_refs = HashMap::new();
@@ -427,7 +427,9 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 			}
 
 			let read_args = ChannelManagerReadArgs {
-				keys_manager,
+				entropy_source: keys_manager.clone(),
+				node_signer: keys_manager.clone(),
+				signer_provider: keys_manager.clone(),
 				fee_estimator: $fee_estimator.clone(),
 				chain_monitor: chain_monitor.clone(),
 				tx_broadcaster: broadcast.clone(),

fuzz/src/chanmon_deser.rs

@@ -22,10 +22,10 @@ impl Writer for VecWriter {
 
 #[inline]
 pub fn do_test<Out: test_logger::Output>(data: &[u8], _out: Out) {
-	if let Ok((latest_block_hash, monitor)) = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(data), &OnlyReadsKeysInterface {}) {
+	if let Ok((latest_block_hash, monitor)) = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(data), (&OnlyReadsKeysInterface {}, &OnlyReadsKeysInterface {})) {
 		let mut w = VecWriter(Vec::new());
 		monitor.write(&mut w).unwrap();
-		let deserialized_copy = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(&w.0), &OnlyReadsKeysInterface {}).unwrap();
+		let deserialized_copy = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(&mut Cursor::new(&w.0), (&OnlyReadsKeysInterface {}, &OnlyReadsKeysInterface {})).unwrap();
 		assert!(latest_block_hash == deserialized_copy.0);
 		assert!(monitor == deserialized_copy.1);
 	}

fuzz/src/full_stack.rs

@@ -164,7 +164,7 @@ impl<'a> std::hash::Hash for Peer<'a> {
 
 type ChannelMan = ChannelManager<
 	Arc<chainmonitor::ChainMonitor<EnforcingSigner, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
-	Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
+	Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
 type PeerMan<'a> = PeerManager<Peer<'a>, Arc<ChannelMan>, Arc<P2PGossipSync<Arc<NetworkGraph<Arc<dyn Logger>>>, Arc<dyn chain::Access>, Arc<dyn Logger>>>, IgnoringMessageHandler, Arc<dyn Logger>, IgnoringMessageHandler>;
 
 struct MoneyLossDetector<'a> {
@@ -422,7 +422,7 @@ pub fn do_test(data: &[u8], logger: &Arc<dyn Logger>) {
 		network,
 		best_block: BestBlock::from_genesis(network),
 	};
-	let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params));
+	let channelmanager = Arc::new(ChannelManager::new(fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), config, params));
 	// Adding new calls to `EntropySource::get_secure_random_bytes` during startup can change all the
 	// keys subsequently generated in this test. Rather than regenerating all the messages manually,
 	// it's easier to just increment the counter here so the keys don't change.

fuzz/src/onion_message.rs

@@ -30,7 +30,7 @@ pub fn do_test<L: Logger>(data: &[u8], logger: &L) {
 			counter: AtomicU64::new(0),
 		};
 		let custom_msg_handler = TestCustomMessageHandler {};
-		let onion_messenger = OnionMessenger::new(&keys_manager, logger, &custom_msg_handler);
+		let onion_messenger = OnionMessenger::new(&keys_manager, &keys_manager, logger, &custom_msg_handler);
 		let mut pk = [2; 33]; pk[1] = 0xff;
 		let peer_node_id_not_used = PublicKey::from_slice(&pk).unwrap();
 		onion_messenger.handle_onion_message(&peer_node_id_not_used, &msg);

lightning-background-processor/src/lib.rs

@@ -340,7 +340,9 @@ pub async fn process_events_async<
 	CF: 'static + Deref + Send + Sync,
 	CW: 'static + Deref + Send + Sync,
 	T: 'static + Deref + Send + Sync,
-	K: 'static + Deref + Send + Sync,
+	ES: 'static + Deref + Send + Sync,
+	NS: 'static + Deref + Send + Sync,
+	SP: 'static + Deref + Send + Sync,
 	F: 'static + Deref + Send + Sync,
 	G: 'static + Deref<Target = NetworkGraph<L>> + Send + Sync,
 	L: 'static + Deref + Send + Sync,
@@ -352,8 +354,8 @@ pub async fn process_events_async<
 	EventHandlerFuture: core::future::Future<Output = ()>,
 	EventHandler: Fn(Event) -> EventHandlerFuture,
 	PS: 'static + Deref + Send,
-	M: 'static + Deref<Target = ChainMonitor<<K::Target as SignerProvider>::Signer, CF, T, F, L, P>> + Send + Sync,
-	CM: 'static + Deref<Target = ChannelManager<CW, T, K, F, L>> + Send + Sync,
+	M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::Signer, CF, T, F, L, P>> + Send + Sync,
+	CM: 'static + Deref<Target = ChannelManager<CW, T, ES, NS, SP, F, L>> + Send + Sync,
 	PGS: 'static + Deref<Target = P2PGossipSync<G, CA, L>> + Send + Sync,
 	RGS: 'static + Deref<Target = RapidGossipSync<G, L>> + Send,
 	UMH: 'static + Deref + Send + Sync,
@@ -370,17 +372,19 @@ pub async fn process_events_async<
 where
 	CA::Target: 'static + chain::Access,
 	CF::Target: 'static + chain::Filter,
-	CW::Target: 'static + chain::Watch<<K::Target as SignerProvider>::Signer>,
+	CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
 	T::Target: 'static + BroadcasterInterface,
-	K::Target: 'static + EntropySource + NodeSigner + SignerProvider,
+	ES::Target: 'static + EntropySource,
+	NS::Target: 'static + NodeSigner,
+	SP::Target: 'static + SignerProvider,
 	F::Target: 'static + FeeEstimator,
 	L::Target: 'static + Logger,
-	P::Target: 'static + Persist<<K::Target as SignerProvider>::Signer>,
+	P::Target: 'static + Persist<<SP::Target as SignerProvider>::Signer>,
 	CMH::Target: 'static + ChannelMessageHandler,
 	OMH::Target: 'static + OnionMessageHandler,
 	RMH::Target: 'static + RoutingMessageHandler,
 	UMH::Target: 'static + CustomMessageHandler,
-	PS::Target: 'static + Persister<'a, CW, T, K, F, L, SC>,
+	PS::Target: 'static + Persister<'a, CW, T, ES, NS, SP, F, L, SC>,
 {
 	let mut should_break = true;
 	let async_event_handler = |event| {
@@ -458,7 +462,9 @@ impl BackgroundProcessor {
 		CF: 'static + Deref + Send + Sync,
 		CW: 'static + Deref + Send + Sync,
 		T: 'static + Deref + Send + Sync,
-		K: 'static + Deref + Send + Sync,
+		ES: 'static + Deref + Send + Sync,
+		NS: 'static + Deref + Send + Sync,
+		SP: 'static + Deref + Send + Sync,
 		F: 'static + Deref + Send + Sync,
 		G: 'static + Deref<Target = NetworkGraph<L>> + Send + Sync,
 		L: 'static + Deref + Send + Sync,
@@ -469,8 +475,8 @@ impl BackgroundProcessor {
 		RMH: 'static + Deref + Send + Sync,
 		EH: 'static + EventHandler + Send,
 		PS: 'static + Deref + Send,
-		M: 'static + Deref<Target = ChainMonitor<<K::Target as SignerProvider>::Signer, CF, T, F, L, P>> + Send + Sync,
-		CM: 'static + Deref<Target = ChannelManager<CW, T, K, F, L>> + Send + Sync,
+		M: 'static + Deref<Target = ChainMonitor<<SP::Target as SignerProvider>::Signer, CF, T, F, L, P>> + Send + Sync,
+		CM: 'static + Deref<Target = ChannelManager<CW, T, ES, NS, SP, F, L>> + Send + Sync,
 		PGS: 'static + Deref<Target = P2PGossipSync<G, CA, L>> + Send + Sync,
 		RGS: 'static + Deref<Target = RapidGossipSync<G, L>> + Send,
 		UMH: 'static + Deref + Send + Sync,
@@ -484,17 +490,19 @@ impl BackgroundProcessor {
 	where
 		CA::Target: 'static + chain::Access,
 		CF::Target: 'static + chain::Filter,
-		CW::Target: 'static + chain::Watch<<K::Target as SignerProvider>::Signer>,
+		CW::Target: 'static + chain::Watch<<SP::Target as SignerProvider>::Signer>,
 		T::Target: 'static + BroadcasterInterface,
-		K::Target: 'static + EntropySource + NodeSigner + SignerProvider,
+		ES::Target: 'static + EntropySource,
+		NS::Target: 'static + NodeSigner,
+		SP::Target: 'static + SignerProvider,
 		F::Target: 'static + FeeEstimator,
 		L::Target: 'static + Logger,
-		P::Target: 'static + Persist<<K::Target as SignerProvider>::Signer>,
+		P::Target: 'static + Persist<<SP::Target as SignerProvider>::Signer>,
 		CMH::Target: 'static + ChannelMessageHandler,
 		OMH::Target: 'static + OnionMessageHandler,
 		RMH::Target: 'static + RoutingMessageHandler,
 		UMH::Target: 'static + CustomMessageHandler,
-		PS::Target: 'static + Persister<'a, CW, T, K, F, L, SC>,
+		PS::Target: 'static + Persister<'a, CW, T, ES, NS, SP, F, L, SC>,
 	{
 		let stop_thread = Arc::new(AtomicBool::new(false));
 		let stop_thread_clone = stop_thread.clone();
@@ -733,7 +741,7 @@ mod tests {
 			let chain_monitor = Arc::new(chainmonitor::ChainMonitor::new(Some(chain_source.clone()), tx_broadcaster.clone(), logger.clone(), fee_estimator.clone(), persister.clone()));
 			let best_block = BestBlock::from_genesis(network);
 			let params = ChainParameters { network, best_block };
-			let manager = Arc::new(ChannelManager::new(fee_estimator.clone(), chain_monitor.clone(), tx_broadcaster.clone(), logger.clone(), keys_manager.clone(), UserConfig::default(), params));
+			let manager = Arc::new(ChannelManager::new(fee_estimator.clone(), chain_monitor.clone(), tx_broadcaster.clone(), logger.clone(), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), UserConfig::default(), params));
 			let network_graph = Arc::new(NetworkGraph::new(genesis_block.header.block_hash(), logger.clone()));
 			let p2p_gossip_sync = Arc::new(P2PGossipSync::new(network_graph.clone(), Some(chain_source.clone()), logger.clone()));
 			let rapid_gossip_sync = Arc::new(RapidGossipSync::new(network_graph.clone()));

lightning-block-sync/src/init.rs

@@ -60,40 +60,46 @@ BlockSourceResult<ValidatedBlockHeader> where B::Target: BlockSource {
 ///
 /// async fn init_sync<
 /// 	B: BlockSource,
-/// 	K: EntropySource + NodeSigner + SignerProvider,
+/// 	ES: EntropySource,
+/// 	NS: NodeSigner,
+/// 	SP: SignerProvider,
 /// 	T: BroadcasterInterface,
 /// 	F: FeeEstimator,
 /// 	L: Logger,
 /// 	C: chain::Filter,
-/// 	P: chainmonitor::Persist<K::Signer>,
+/// 	P: chainmonitor::Persist<SP::Signer>,
 /// >(
 /// 	block_source: &B,
-/// 	chain_monitor: &ChainMonitor<K::Signer, &C, &T, &F, &L, &P>,
+/// 	chain_monitor: &ChainMonitor<SP::Signer, &C, &T, &F, &L, &P>,
 /// 	config: UserConfig,
-/// 	keys_manager: &K,
+/// 	entropy_source: &ES,
+/// 	node_signer: &NS,
+/// 	signer_provider: &SP,
 /// 	tx_broadcaster: &T,
 /// 	fee_estimator: &F,
 /// 	logger: &L,
 /// 	persister: &P,
 /// ) {
 /// 	// Read a serialized channel monitor paired with the block hash when it was persisted.
 /// 	let serialized_monitor = "...";
-/// 	let (monitor_block_hash, mut monitor) = <(BlockHash, ChannelMonitor<K::Signer>)>::read(
-/// 		&mut Cursor::new(&serialized_monitor), keys_manager).unwrap();
+/// 	let (monitor_block_hash, mut monitor) = <(BlockHash, ChannelMonitor<SP::Signer>)>::read(
+/// 		&mut Cursor::new(&serialized_monitor), (entropy_source, signer_provider)).unwrap();
 ///
 /// 	// Read the channel manager paired with the block hash when it was persisted.
 /// 	let serialized_manager = "...";
 /// 	let (manager_block_hash, mut manager) = {
 /// 		let read_args = ChannelManagerReadArgs::new(
-/// 			keys_manager,
+/// 			entropy_source,
+/// 			node_signer,
+/// 			signer_provider,
 /// 			fee_estimator,
 /// 			chain_monitor,
 /// 			tx_broadcaster,
 /// 			logger,
 /// 			config,
 /// 			vec![&mut monitor],
 /// 		);
-/// 		<(BlockHash, ChannelManager<&ChainMonitor<K::Signer, &C, &T, &F, &L, &P>, &T, &K, &F, &L>)>::read(
+/// 		<(BlockHash, ChannelManager<&ChainMonitor<SP::Signer, &C, &T, &F, &L, &P>, &T, &ES, &NS, &SP, &F, &L>)>::read(
 /// 			&mut Cursor::new(&serialized_manager), read_args).unwrap()
 /// 	};
 ///