Move events.rs into its own top-level module
[rust-lightning] / fuzz / src / chanmon_consistency.rs
index ae73a8cc5844a8b2a2376568fb90231f9baf8129..f6be6cdafb147b2837caaa7b4ec9f4d616123c34 100644 (file)
@@ -29,6 +29,7 @@ use bitcoin::network::constants::Network;
 
 use bitcoin::hashes::Hash as TraitImport;
 use bitcoin::hashes::sha256::Hash as Sha256;
+use bitcoin::hashes::sha256d::Hash as Sha256dHash;
 use bitcoin::hash_types::{BlockHash, WPubkeyHash};
 
 use lightning::chain;
@@ -36,32 +37,31 @@ use lightning::chain::{BestBlock, ChannelMonitorUpdateStatus, chainmonitor, chan
 use lightning::chain::channelmonitor::{ChannelMonitor, MonitorEvent};
 use lightning::chain::transaction::OutPoint;
 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
-use lightning::chain::keysinterface::{KeyMaterial, KeysInterface, InMemorySigner, Recipient};
+use lightning::chain::keysinterface::{KeyMaterial, InMemorySigner, Recipient, EntropySource, NodeSigner, SignerProvider};
+use lightning::events;
+use lightning::events::MessageSendEventsProvider;
 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-use lightning::ln::channelmanager::{self, ChainParameters, ChannelManager, PaymentSendFailure, ChannelManagerReadArgs};
+use lightning::ln::channelmanager::{ChainParameters, ChannelDetails, ChannelManager, PaymentSendFailure, ChannelManagerReadArgs, PaymentId};
 use lightning::ln::channel::FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE;
-use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, DecodeError, UpdateAddHTLC, Init};
+use lightning::ln::msgs::{self, CommitmentUpdate, ChannelMessageHandler, DecodeError, UpdateAddHTLC, Init};
 use lightning::ln::script::ShutdownScript;
 use lightning::util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
 use lightning::util::errors::APIError;
-use lightning::util::events;
 use lightning::util::logger::Logger;
 use lightning::util::config::UserConfig;
-use lightning::util::events::MessageSendEventsProvider;
 use lightning::util::ser::{Readable, ReadableArgs, Writeable, Writer};
-use lightning::routing::router::{Route, RouteHop};
+use lightning::routing::router::{InFlightHtlcs, Route, RouteHop, RouteParameters, Router};
 
 use crate::utils::test_logger::{self, Output};
 use crate::utils::test_persister::TestPersister;
 
-use bitcoin::secp256k1::{PublicKey, SecretKey, Scalar};
+use bitcoin::secp256k1::{Message, PublicKey, SecretKey, Scalar, Secp256k1};
 use bitcoin::secp256k1::ecdh::SharedSecret;
-use bitcoin::secp256k1::ecdsa::RecoverableSignature;
-use bitcoin::secp256k1::Secp256k1;
+use bitcoin::secp256k1::ecdsa::{RecoverableSignature, Signature};
 
 use std::mem;
 use std::cmp::{self, Ordering};
-use std::collections::{HashSet, hash_map, HashMap};
+use hashbrown::{HashSet, hash_map, HashMap};
 use std::sync::{Arc,Mutex};
 use std::sync::atomic;
 use std::io::Cursor;
@@ -85,6 +85,20 @@ impl FeeEstimator for FuzzEstimator {
        }
 }
 
+struct FuzzRouter {}
+
+impl Router for FuzzRouter {
+       fn find_route(
+               &self, _payer: &PublicKey, _params: &RouteParameters, _first_hops: Option<&[&ChannelDetails]>,
+               _inflight_htlcs: &InFlightHtlcs
+       ) -> Result<Route, msgs::LightningError> {
+               Err(msgs::LightningError {
+                       err: String::from("Not implemented"),
+                       action: msgs::ErrorAction::IgnoreError
+               })
+       }
+}
+
 pub struct TestBroadcaster {}
 impl BroadcasterInterface for TestBroadcaster {
        fn broadcast_transaction(&self, _tx: &Transaction) { }
@@ -134,15 +148,15 @@ impl chain::Watch<EnforcingSigner> for TestChainMonitor {
                self.chain_monitor.watch_channel(funding_txo, monitor)
        }
 
-       fn update_channel(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> chain::ChannelMonitorUpdateStatus {
+       fn update_channel(&self, funding_txo: OutPoint, update: &channelmonitor::ChannelMonitorUpdate) -> chain::ChannelMonitorUpdateStatus {
                let mut map_lock = self.latest_monitors.lock().unwrap();
                let mut map_entry = match map_lock.entry(funding_txo) {
                        hash_map::Entry::Occupied(entry) => entry,
                        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;
-               deserialized_monitor.update_monitor(&update, &&TestBroadcaster{}, &FuzzEstimator { ret_val: atomic::AtomicU32::new(253) }, &self.logger).unwrap();
+                       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();
                map_entry.insert((update.update_id, ser.0));
@@ -156,73 +170,85 @@ impl chain::Watch<EnforcingSigner> for TestChainMonitor {
 }
 
 struct KeyProvider {
-       node_id: u8,
+       node_secret: SecretKey,
        rand_bytes_id: atomic::AtomicU32,
        enforcement_states: Mutex<HashMap<[u8;32], Arc<Mutex<EnforcementState>>>>,
 }
-impl KeysInterface for KeyProvider {
-       type Signer = EnforcingSigner;
 
-       fn get_node_secret(&self, _recipient: Recipient) -> Result<SecretKey, ()> {
-               Ok(SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, self.node_id]).unwrap())
+impl EntropySource for KeyProvider {
+       fn get_secure_random_bytes(&self) -> [u8; 32] {
+               let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed);
+               let mut res = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, self.node_secret[31]];
+               res[30-4..30].copy_from_slice(&id.to_le_bytes());
+               res
+       }
+}
+
+impl NodeSigner for KeyProvider {
+       fn get_node_id(&self, recipient: Recipient) -> Result<PublicKey, ()> {
+               let node_secret = match recipient {
+                       Recipient::Node => Ok(&self.node_secret),
+                       Recipient::PhantomNode => Err(())
+               }?;
+               Ok(PublicKey::from_secret_key(&Secp256k1::signing_only(), node_secret))
        }
 
        fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&Scalar>) -> Result<SharedSecret, ()> {
-               let mut node_secret = self.get_node_secret(recipient)?;
+               let mut node_secret = match recipient {
+                       Recipient::Node => Ok(self.node_secret.clone()),
+                       Recipient::PhantomNode => Err(())
+               }?;
                if let Some(tweak) = tweak {
-                       node_secret = node_secret.mul_tweak(tweak).unwrap();
+                       node_secret = node_secret.mul_tweak(tweak).map_err(|_| ())?;
                }
                Ok(SharedSecret::new(other_key, &node_secret))
        }
 
        fn get_inbound_payment_key_material(&self) -> KeyMaterial {
-               KeyMaterial([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, self.node_id])
+               KeyMaterial([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, self.node_secret[31]])
        }
 
-       fn get_destination_script(&self) -> Script {
-               let secp_ctx = Secp256k1::signing_only();
-               let channel_monitor_claim_key = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, self.node_id]).unwrap();
-               let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
-               Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
+       fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
+               unreachable!()
        }
 
-       fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
+       fn sign_gossip_message(&self, msg: lightning::ln::msgs::UnsignedGossipMessage) -> Result<Signature, ()> {
+               let msg_hash = Message::from_slice(&Sha256dHash::hash(&msg.encode()[..])[..]).map_err(|_| ())?;
                let secp_ctx = Secp256k1::signing_only();
-               let secret_key = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, self.node_id]).unwrap();
-               let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
-               ShutdownScript::new_p2wpkh(&pubkey_hash)
+               Ok(secp_ctx.sign_ecdsa(&msg_hash, &self.node_secret))
+       }
+}
+
+impl SignerProvider for KeyProvider {
+       type Signer = EnforcingSigner;
+
+       fn generate_channel_keys_id(&self, _inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
+               let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed) as u8;
+               [id; 32]
        }
 
-       fn get_channel_signer(&self, _inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
+       fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer {
                let secp_ctx = Secp256k1::signing_only();
-               let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed);
+               let id = channel_keys_id[0];
                let keys = InMemorySigner::new(
                        &secp_ctx,
-                       self.get_node_secret(Recipient::Node).unwrap(),
-                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, self.node_id]).unwrap(),
-                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, self.node_id]).unwrap(),
-                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, self.node_id]).unwrap(),
-                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, self.node_id]).unwrap(),
-                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, self.node_id]).unwrap(),
-                       [id as u8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, self.node_id],
+                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, self.node_secret[31]]).unwrap(),
+                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, self.node_secret[31]]).unwrap(),
+                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, self.node_secret[31]]).unwrap(),
+                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, self.node_secret[31]]).unwrap(),
+                       SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, self.node_secret[31]]).unwrap(),
+                       [id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, self.node_secret[31]],
                        channel_value_satoshis,
-                       [0; 32],
+                       channel_keys_id,
                );
                let revoked_commitment = self.make_enforcement_state_cell(keys.commitment_seed);
                EnforcingSigner::new_with_revoked(keys, revoked_commitment, false)
        }
 
-       fn get_secure_random_bytes(&self) -> [u8; 32] {
-               let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed);
-               let mut res = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, self.node_id];
-               res[30-4..30].copy_from_slice(&id.to_le_bytes());
-               res
-       }
-
        fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::Signer, DecodeError> {
                let mut reader = std::io::Cursor::new(buffer);
 
-               let inner: InMemorySigner = ReadableArgs::read(&mut reader, self.get_node_secret(Recipient::Node).unwrap())?;
+               let inner: InMemorySigner = Readable::read(&mut reader)?;
                let state = self.make_enforcement_state_cell(inner.commitment_seed);
 
                Ok(EnforcingSigner {
@@ -232,8 +258,18 @@ impl KeysInterface for KeyProvider {
                })
        }
 
-       fn sign_invoice(&self, _hrp_bytes: &[u8], _invoice_data: &[u5], _recipient: Recipient) -> Result<RecoverableSignature, ()> {
-               unreachable!()
+       fn get_destination_script(&self) -> Script {
+               let secp_ctx = Secp256k1::signing_only();
+               let channel_monitor_claim_key = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, self.node_secret[31]]).unwrap();
+               let our_channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
+               Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0).push_slice(&our_channel_monitor_claim_key_hash[..]).into_script()
+       }
+
+       fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
+               let secp_ctx = Secp256k1::signing_only();
+               let secret_key = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, self.node_secret[31]]).unwrap();
+               let pubkey_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &secret_key).serialize());
+               ShutdownScript::new_p2wpkh(&pubkey_hash)
        }
 }
 
@@ -253,13 +289,13 @@ fn check_api_err(api_err: APIError) {
        match api_err {
                APIError::APIMisuseError { .. } => panic!("We can't misuse the API"),
                APIError::FeeRateTooHigh { .. } => panic!("We can't send too much fee?"),
-               APIError::RouteError { .. } => panic!("Our routes should work"),
+               APIError::InvalidRoute { .. } => panic!("Our routes should work"),
                APIError::ChannelUnavailable { err } => {
                        // Test the error against a list of errors we can hit, and reject
                        // all others. If you hit this panic, the list of acceptable errors
                        // is probably just stale and you should add new messages here.
                        match err.as_str() {
-                               "Peer for first hop currently disconnected/pending monitor update!" => {},
+                               "Peer for first hop currently disconnected" => {},
                                _ if err.starts_with("Cannot push more than their max accepted HTLCs ") => {},
                                _ if err.starts_with("Cannot send value that would put us over the max HTLC value in flight our peer will accept ") => {},
                                _ if err.starts_with("Cannot send value that would put our balance under counterparty-announced channel reserve value") => {},
@@ -283,23 +319,24 @@ fn check_payment_err(send_err: PaymentSendFailure) {
                PaymentSendFailure::PathParameterError(per_path_results) => {
                        for res in per_path_results { if let Err(api_err) = res { check_api_err(api_err); } }
                },
-               PaymentSendFailure::AllFailedRetrySafe(per_path_results) => {
+               PaymentSendFailure::AllFailedResendSafe(per_path_results) => {
                        for api_err in per_path_results { check_api_err(api_err); }
                },
                PaymentSendFailure::PartialFailure { results, .. } => {
                        for res in results { if let Err(api_err) = res { check_api_err(api_err); } }
                },
+               PaymentSendFailure::DuplicatePayment => panic!(),
        }
 }
 
-type ChanMan = ChannelManager<Arc<TestChainMonitor>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>;
+type ChanMan<'a> = ChannelManager<Arc<TestChainMonitor>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<KeyProvider>, Arc<FuzzEstimator>, &'a FuzzRouter, Arc<dyn Logger>>;
 
 #[inline]
 fn get_payment_secret_hash(dest: &ChanMan, payment_id: &mut u8) -> Option<(PaymentSecret, PaymentHash)> {
        let mut payment_hash;
        for _ in 0..256 {
                payment_hash = PaymentHash(Sha256::hash(&[*payment_id; 1]).into_inner());
-               if let Ok(payment_secret) = dest.create_inbound_payment_for_hash(payment_hash, None, 3600) {
+               if let Ok(payment_secret) = dest.create_inbound_payment_for_hash(payment_hash, None, 3600, None) {
                        return Some((payment_secret, payment_hash));
                }
                *payment_id = payment_id.wrapping_add(1);
@@ -308,46 +345,52 @@ fn get_payment_secret_hash(dest: &ChanMan, payment_id: &mut u8) -> Option<(Payme
 }
 
 #[inline]
-fn send_payment(source: &ChanMan, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8) -> bool {
+fn send_payment(source: &ChanMan, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8, payment_idx: &mut u64) -> bool {
        let (payment_secret, payment_hash) =
                if let Some((secret, hash)) = get_payment_secret_hash(dest, payment_id) { (secret, hash) } else { return true; };
+       let mut payment_id = [0; 32];
+       payment_id[0..8].copy_from_slice(&payment_idx.to_ne_bytes());
+       *payment_idx += 1;
        if let Err(err) = source.send_payment(&Route {
                paths: vec![vec![RouteHop {
                        pubkey: dest.get_our_node_id(),
-                       node_features: channelmanager::provided_node_features(),
+                       node_features: dest.node_features(),
                        short_channel_id: dest_chan_id,
-                       channel_features: channelmanager::provided_channel_features(),
+                       channel_features: dest.channel_features(),
                        fee_msat: amt,
                        cltv_expiry_delta: 200,
                }]],
                payment_params: None,
-       }, payment_hash, &Some(payment_secret)) {
+       }, payment_hash, &Some(payment_secret), PaymentId(payment_id)) {
                check_payment_err(err);
                false
        } else { true }
 }
 #[inline]
-fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8) -> bool {
+fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8, payment_idx: &mut u64) -> bool {
        let (payment_secret, payment_hash) =
                if let Some((secret, hash)) = get_payment_secret_hash(dest, payment_id) { (secret, hash) } else { return true; };
+       let mut payment_id = [0; 32];
+       payment_id[0..8].copy_from_slice(&payment_idx.to_ne_bytes());
+       *payment_idx += 1;
        if let Err(err) = source.send_payment(&Route {
                paths: vec![vec![RouteHop {
                        pubkey: middle.get_our_node_id(),
-                       node_features: channelmanager::provided_node_features(),
+                       node_features: middle.node_features(),
                        short_channel_id: middle_chan_id,
-                       channel_features: channelmanager::provided_channel_features(),
+                       channel_features: middle.channel_features(),
                        fee_msat: 50000,
                        cltv_expiry_delta: 100,
                },RouteHop {
                        pubkey: dest.get_our_node_id(),
-                       node_features: channelmanager::provided_node_features(),
+                       node_features: dest.node_features(),
                        short_channel_id: dest_chan_id,
-                       channel_features: channelmanager::provided_channel_features(),
+                       channel_features: dest.channel_features(),
                        fee_msat: amt,
                        cltv_expiry_delta: 200,
                }]],
                payment_params: None,
-       }, payment_hash, &Some(payment_secret)) {
+       }, payment_hash, &Some(payment_secret), PaymentId(payment_id)) {
                check_payment_err(err);
                false
        } else { true }
@@ -357,11 +400,13 @@ fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, des
 pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
        let out = SearchingOutput::new(underlying_out);
        let broadcast = Arc::new(TestBroadcaster{});
+       let router = FuzzRouter {};
 
        macro_rules! make_node {
                ($node_id: expr, $fee_estimator: expr) => { {
                        let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new($node_id.to_string(), out.clone()));
-                       let keys_manager = Arc::new(KeyProvider { node_id: $node_id, rand_bytes_id: atomic::AtomicU32::new(0), enforcement_states: Mutex::new(HashMap::new()) });
+                       let node_secret = SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, $node_id]).unwrap();
+                       let keys_manager = Arc::new(KeyProvider { node_secret, rand_bytes_id: atomic::AtomicU32::new(0), enforcement_states: Mutex::new(HashMap::new()) });
                        let monitor = Arc::new(TestChainMonitor::new(broadcast.clone(), logger.clone(), $fee_estimator.clone(),
                                Arc::new(TestPersister {
                                        update_ret: Mutex::new(ChannelMonitorUpdateStatus::Completed)
@@ -373,9 +418,9 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                        let network = Network::Bitcoin;
                        let params = ChainParameters {
                                network,
-                               best_block: BestBlock::from_genesis(network),
+                               best_block: BestBlock::from_network(network),
                        };
-                       (ChannelManager::new($fee_estimator.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, params),
+                       (ChannelManager::new($fee_estimator.clone(), monitor.clone(), broadcast.clone(), &router, Arc::clone(&logger), keys_manager.clone(), keys_manager.clone(), keys_manager.clone(), config, params),
                        monitor, keys_manager)
                } }
        }
@@ -396,7 +441,7 @@ 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();
@@ -405,10 +450,13 @@ 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: $fee_estimator.clone(),
                                chain_monitor: chain_monitor.clone(),
                                tx_broadcaster: broadcast.clone(),
+                               router: &router,
                                logger,
                                default_config: config,
                                channel_monitors: monitor_refs,
@@ -426,8 +474,8 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
        let mut channel_txn = Vec::new();
        macro_rules! make_channel {
                ($source: expr, $dest: expr, $chan_id: expr) => { {
-                       $source.peer_connected(&$dest.get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
-                       $dest.peer_connected(&$source.get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
+                       $source.peer_connected(&$dest.get_our_node_id(), &Init { features: $dest.init_features(), remote_network_address: None }, true).unwrap();
+                       $dest.peer_connected(&$source.get_our_node_id(), &Init { features: $source.init_features(), remote_network_address: None }, false).unwrap();
 
                        $source.create_channel($dest.get_our_node_id(), 100_000, 42, 0, None).unwrap();
                        let open_channel = {
@@ -438,7 +486,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                } else { panic!("Wrong event type"); }
                        };
 
-                       $dest.handle_open_channel(&$source.get_our_node_id(), channelmanager::provided_init_features(), &open_channel);
+                       $dest.handle_open_channel(&$source.get_our_node_id(), &open_channel);
                        let accept_channel = {
                                let events = $dest.get_and_clear_pending_msg_events();
                                assert_eq!(events.len(), 1);
@@ -447,7 +495,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                } else { panic!("Wrong event type"); }
                        };
 
-                       $source.handle_accept_channel(&$dest.get_our_node_id(), channelmanager::provided_init_features(), &accept_channel);
+                       $source.handle_accept_channel(&$dest.get_our_node_id(), &accept_channel);
                        let funding_output;
                        {
                                let events = $source.get_and_clear_pending_events();
@@ -553,6 +601,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
        let chan_b = nodes[2].list_usable_channels()[0].short_channel_id.unwrap();
 
        let mut payment_id: u8 = 0;
+       let mut payment_idx: u64 = 0;
 
        let mut chan_a_disconnected = false;
        let mut chan_b_disconnected = false;
@@ -835,16 +884,16 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                let mut events = nodes[$node].get_and_clear_pending_events();
                                // Sort events so that PendingHTLCsForwardable get processed last. This avoids a
                                // case where we first process a PendingHTLCsForwardable, then claim/fail on a
-                               // PaymentReceived, claiming/failing two HTLCs, but leaving a just-generated
-                               // PaymentReceived event for the second HTLC in our pending_events (and breaking
+                               // PaymentClaimable, claiming/failing two HTLCs, but leaving a just-generated
+                               // PaymentClaimable event for the second HTLC in our pending_events (and breaking
                                // our claim_set deduplication).
                                events.sort_by(|a, b| {
-                                       if let events::Event::PaymentReceived { .. } = a {
+                                       if let events::Event::PaymentClaimable { .. } = a {
                                                if let events::Event::PendingHTLCsForwardable { .. } = b {
                                                        Ordering::Less
                                                } else { Ordering::Equal }
                                        } else if let events::Event::PendingHTLCsForwardable { .. } = a {
-                                               if let events::Event::PaymentReceived { .. } = b {
+                                               if let events::Event::PaymentClaimable { .. } = b {
                                                        Ordering::Greater
                                                } else { Ordering::Equal }
                                        } else { Ordering::Equal }
@@ -852,7 +901,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                let had_events = !events.is_empty();
                                for event in events.drain(..) {
                                        match event {
-                                               events::Event::PaymentReceived { payment_hash, .. } => {
+                                               events::Event::PaymentClaimable { payment_hash, .. } => {
                                                        if claim_set.insert(payment_hash.0) {
                                                                if $fail {
                                                                        nodes[$node].fail_htlc_backwards(&payment_hash);
@@ -865,6 +914,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                                events::Event::PaymentClaimed { .. } => {},
                                                events::Event::PaymentPathSuccessful { .. } => {},
                                                events::Event::PaymentPathFailed { .. } => {},
+                                               events::Event::PaymentFailed { .. } => {},
                                                events::Event::ProbeSuccessful { .. } | events::Event::ProbeFailed { .. } => {
                                                        // Even though we don't explicitly send probes, because probes are
                                                        // detected based on hashing the payment hash+preimage, its rather
@@ -929,31 +979,31 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 
                        0x0c => {
                                if !chan_a_disconnected {
-                                       nodes[0].peer_disconnected(&nodes[1].get_our_node_id(), false);
-                                       nodes[1].peer_disconnected(&nodes[0].get_our_node_id(), false);
+                                       nodes[0].peer_disconnected(&nodes[1].get_our_node_id());
+                                       nodes[1].peer_disconnected(&nodes[0].get_our_node_id());
                                        chan_a_disconnected = true;
                                        drain_msg_events_on_disconnect!(0);
                                }
                        },
                        0x0d => {
                                if !chan_b_disconnected {
-                                       nodes[1].peer_disconnected(&nodes[2].get_our_node_id(), false);
-                                       nodes[2].peer_disconnected(&nodes[1].get_our_node_id(), false);
+                                       nodes[1].peer_disconnected(&nodes[2].get_our_node_id());
+                                       nodes[2].peer_disconnected(&nodes[1].get_our_node_id());
                                        chan_b_disconnected = true;
                                        drain_msg_events_on_disconnect!(2);
                                }
                        },
                        0x0e => {
                                if chan_a_disconnected {
-                                       nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
-                                       nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
+                                       nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, true).unwrap();
+                                       nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: nodes[0].init_features(), remote_network_address: None }, false).unwrap();
                                        chan_a_disconnected = false;
                                }
                        },
                        0x0f => {
                                if chan_b_disconnected {
-                                       nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
-                                       nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
+                                       nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: nodes[2].init_features(), remote_network_address: None }, true).unwrap();
+                                       nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, false).unwrap();
                                        chan_b_disconnected = false;
                                }
                        },
@@ -990,7 +1040,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 
                        0x2c => {
                                if !chan_a_disconnected {
-                                       nodes[1].peer_disconnected(&nodes[0].get_our_node_id(), false);
+                                       nodes[1].peer_disconnected(&nodes[0].get_our_node_id());
                                        chan_a_disconnected = true;
                                        drain_msg_events_on_disconnect!(0);
                                }
@@ -1004,14 +1054,14 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                        },
                        0x2d => {
                                if !chan_a_disconnected {
-                                       nodes[0].peer_disconnected(&nodes[1].get_our_node_id(), false);
+                                       nodes[0].peer_disconnected(&nodes[1].get_our_node_id());
                                        chan_a_disconnected = true;
                                        nodes[0].get_and_clear_pending_msg_events();
                                        ab_events.clear();
                                        ba_events.clear();
                                }
                                if !chan_b_disconnected {
-                                       nodes[2].peer_disconnected(&nodes[1].get_our_node_id(), false);
+                                       nodes[2].peer_disconnected(&nodes[1].get_our_node_id());
                                        chan_b_disconnected = true;
                                        nodes[2].get_and_clear_pending_msg_events();
                                        bc_events.clear();
@@ -1023,7 +1073,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                        },
                        0x2e => {
                                if !chan_b_disconnected {
-                                       nodes[1].peer_disconnected(&nodes[2].get_our_node_id(), false);
+                                       nodes[1].peer_disconnected(&nodes[2].get_our_node_id());
                                        chan_b_disconnected = true;
                                        drain_msg_events_on_disconnect!(2);
                                }
@@ -1037,61 +1087,61 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                        },
 
                        // 1/10th the channel size:
-                       0x30 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id); },
-                       0x31 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id); },
-                       0x32 => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id); },
-                       0x33 => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id); },
-                       0x34 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000_000, &mut payment_id); },
-                       0x35 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000_000, &mut payment_id); },
-
-                       0x38 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000_000, &mut payment_id); },
-                       0x39 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000_000, &mut payment_id); },
-                       0x3a => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000_000, &mut payment_id); },
-                       0x3b => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000_000, &mut payment_id); },
-                       0x3c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000_000, &mut payment_id); },
-                       0x3d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000_000, &mut payment_id); },
-
-                       0x40 => { send_payment(&nodes[0], &nodes[1], chan_a, 100_000, &mut payment_id); },
-                       0x41 => { send_payment(&nodes[1], &nodes[0], chan_a, 100_000, &mut payment_id); },
-                       0x42 => { send_payment(&nodes[1], &nodes[2], chan_b, 100_000, &mut payment_id); },
-                       0x43 => { send_payment(&nodes[2], &nodes[1], chan_b, 100_000, &mut payment_id); },
-                       0x44 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100_000, &mut payment_id); },
-                       0x45 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100_000, &mut payment_id); },
-
-                       0x48 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000, &mut payment_id); },
-                       0x49 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000, &mut payment_id); },
-                       0x4a => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000, &mut payment_id); },
-                       0x4b => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000, &mut payment_id); },
-                       0x4c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000, &mut payment_id); },
-                       0x4d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000, &mut payment_id); },
-
-                       0x50 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000, &mut payment_id); },
-                       0x51 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000, &mut payment_id); },
-                       0x52 => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000, &mut payment_id); },
-                       0x53 => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000, &mut payment_id); },
-                       0x54 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000, &mut payment_id); },
-                       0x55 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000, &mut payment_id); },
-
-                       0x58 => { send_payment(&nodes[0], &nodes[1], chan_a, 100, &mut payment_id); },
-                       0x59 => { send_payment(&nodes[1], &nodes[0], chan_a, 100, &mut payment_id); },
-                       0x5a => { send_payment(&nodes[1], &nodes[2], chan_b, 100, &mut payment_id); },
-                       0x5b => { send_payment(&nodes[2], &nodes[1], chan_b, 100, &mut payment_id); },
-                       0x5c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100, &mut payment_id); },
-                       0x5d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100, &mut payment_id); },
-
-                       0x60 => { send_payment(&nodes[0], &nodes[1], chan_a, 10, &mut payment_id); },
-                       0x61 => { send_payment(&nodes[1], &nodes[0], chan_a, 10, &mut payment_id); },
-                       0x62 => { send_payment(&nodes[1], &nodes[2], chan_b, 10, &mut payment_id); },
-                       0x63 => { send_payment(&nodes[2], &nodes[1], chan_b, 10, &mut payment_id); },
-                       0x64 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10, &mut payment_id); },
-                       0x65 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10, &mut payment_id); },
-
-                       0x68 => { send_payment(&nodes[0], &nodes[1], chan_a, 1, &mut payment_id); },
-                       0x69 => { send_payment(&nodes[1], &nodes[0], chan_a, 1, &mut payment_id); },
-                       0x6a => { send_payment(&nodes[1], &nodes[2], chan_b, 1, &mut payment_id); },
-                       0x6b => { send_payment(&nodes[2], &nodes[1], chan_b, 1, &mut payment_id); },
-                       0x6c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1, &mut payment_id); },
-                       0x6d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1, &mut payment_id); },
+                       0x30 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x31 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x32 => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x33 => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x34 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x35 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000_000, &mut payment_id, &mut payment_idx); },
+
+                       0x38 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x39 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3a => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3b => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000_000, &mut payment_id, &mut payment_idx); },
+
+                       0x40 => { send_payment(&nodes[0], &nodes[1], chan_a, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x41 => { send_payment(&nodes[1], &nodes[0], chan_a, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x42 => { send_payment(&nodes[1], &nodes[2], chan_b, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x43 => { send_payment(&nodes[2], &nodes[1], chan_b, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x44 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x45 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100_000, &mut payment_id, &mut payment_idx); },
+
+                       0x48 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x49 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4a => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4b => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000, &mut payment_id, &mut payment_idx); },
+
+                       0x50 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x51 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x52 => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x53 => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x54 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x55 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000, &mut payment_id, &mut payment_idx); },
+
+                       0x58 => { send_payment(&nodes[0], &nodes[1], chan_a, 100, &mut payment_id, &mut payment_idx); },
+                       0x59 => { send_payment(&nodes[1], &nodes[0], chan_a, 100, &mut payment_id, &mut payment_idx); },
+                       0x5a => { send_payment(&nodes[1], &nodes[2], chan_b, 100, &mut payment_id, &mut payment_idx); },
+                       0x5b => { send_payment(&nodes[2], &nodes[1], chan_b, 100, &mut payment_id, &mut payment_idx); },
+                       0x5c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100, &mut payment_id, &mut payment_idx); },
+                       0x5d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100, &mut payment_id, &mut payment_idx); },
+
+                       0x60 => { send_payment(&nodes[0], &nodes[1], chan_a, 10, &mut payment_id, &mut payment_idx); },
+                       0x61 => { send_payment(&nodes[1], &nodes[0], chan_a, 10, &mut payment_id, &mut payment_idx); },
+                       0x62 => { send_payment(&nodes[1], &nodes[2], chan_b, 10, &mut payment_id, &mut payment_idx); },
+                       0x63 => { send_payment(&nodes[2], &nodes[1], chan_b, 10, &mut payment_id, &mut payment_idx); },
+                       0x64 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10, &mut payment_id, &mut payment_idx); },
+                       0x65 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10, &mut payment_id, &mut payment_idx); },
+
+                       0x68 => { send_payment(&nodes[0], &nodes[1], chan_a, 1, &mut payment_id, &mut payment_idx); },
+                       0x69 => { send_payment(&nodes[1], &nodes[0], chan_a, 1, &mut payment_id, &mut payment_idx); },
+                       0x6a => { send_payment(&nodes[1], &nodes[2], chan_b, 1, &mut payment_id, &mut payment_idx); },
+                       0x6b => { send_payment(&nodes[2], &nodes[1], chan_b, 1, &mut payment_id, &mut payment_idx); },
+                       0x6c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1, &mut payment_id, &mut payment_idx); },
+                       0x6d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1, &mut payment_id, &mut payment_idx); },
 
                        0x80 => {
                                let max_feerate = last_htlc_clear_fee_a * FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE as u32;
@@ -1148,13 +1198,13 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 
                                // Next, make sure peers are all connected to each other
                                if chan_a_disconnected {
-                                       nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
-                                       nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
+                                       nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, true).unwrap();
+                                       nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: nodes[0].init_features(), remote_network_address: None }, false).unwrap();
                                        chan_a_disconnected = false;
                                }
                                if chan_b_disconnected {
-                                       nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
-                                       nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
+                                       nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: nodes[2].init_features(), remote_network_address: None }, true).unwrap();
+                                       nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, false).unwrap();
                                        chan_b_disconnected = false;
                                }
 
@@ -1174,11 +1224,11 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 
                                // Finally, make sure that at least one end of each channel can make a substantial payment
                                assert!(
-                                       send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id) ||
-                                       send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id));
+                                       send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id, &mut payment_idx) ||
+                                       send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id, &mut payment_idx));
                                assert!(
-                                       send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id) ||
-                                       send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id));
+                                       send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id, &mut payment_idx) ||
+                                       send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id, &mut payment_idx));
 
                                last_htlc_clear_fee_a = fee_est_a.ret_val.load(atomic::Ordering::Acquire);
                                last_htlc_clear_fee_b = fee_est_b.ret_val.load(atomic::Ordering::Acquire);