+// This file is Copyright its original authors, visible in version control
+// history.
+//
+// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
+// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
+// You may not use this file except in accordance with one or both of these
+// licenses.
+
//! Test that monitor update failures don't get our channel state out of sync.
//! One of the biggest concern with the monitor update failure handling code is that messages
//! resent after monitor updating is restored are delivered out-of-order, resulting in
//! send-side handling is correct, other peers. We consider it a failure if any action results in a
//! channel being force-closed.
-use bitcoin::BitcoinHash;
use bitcoin::blockdata::block::BlockHeader;
use bitcoin::blockdata::transaction::{Transaction, TxOut};
use bitcoin::blockdata::script::{Builder, Script};
use bitcoin::blockdata::opcodes;
use bitcoin::network::constants::Network;
-use bitcoin_hashes::Hash as TraitImport;
-use bitcoin_hashes::hash160::Hash as Hash160;
-use bitcoin_hashes::sha256::Hash as Sha256;
-use bitcoin_hashes::sha256d::Hash as Sha256d;
+use bitcoin::hashes::Hash as TraitImport;
+use bitcoin::hashes::sha256::Hash as Sha256;
+use bitcoin::hash_types::{BlockHash, WPubkeyHash};
-use lightning::chain::chaininterface;
+use lightning::chain;
+use lightning::chain::chainmonitor;
+use lightning::chain::channelmonitor;
+use lightning::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, MonitorEvent};
use lightning::chain::transaction::OutPoint;
-use lightning::chain::chaininterface::{BroadcasterInterface,ConfirmationTarget,ChainListener,FeeEstimator,ChainWatchInterfaceUtil};
+use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
use lightning::chain::keysinterface::{KeysInterface, InMemoryChannelKeys};
-use lightning::ln::channelmonitor;
-use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, HTLCUpdate};
-use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret, ChannelManagerReadArgs};
-use lightning::ln::router::{Route, RouteHop};
+use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret, PaymentSendFailure, ChannelManagerReadArgs};
use lightning::ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, UpdateAddHTLC, Init};
use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
+use lightning::util::errors::APIError;
use lightning::util::events;
use lightning::util::logger::Logger;
use lightning::util::config::UserConfig;
use lightning::util::events::{EventsProvider, MessageSendEventsProvider};
use lightning::util::ser::{Readable, ReadableArgs, Writeable, Writer};
+use lightning::routing::router::{Route, RouteHop};
+
use utils::test_logger;
+use utils::test_persister::TestPersister;
-use secp256k1::key::{PublicKey,SecretKey};
-use secp256k1::Secp256k1;
+use bitcoin::secp256k1::key::{PublicKey,SecretKey};
+use bitcoin::secp256k1::Secp256k1;
use std::mem;
use std::cmp::Ordering;
struct FuzzEstimator {}
impl FeeEstimator for FuzzEstimator {
- fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u64 {
+ fn get_est_sat_per_1000_weight(&self, _: ConfirmationTarget) -> u32 {
253
}
}
}
}
-struct TestChannelMonitor {
+struct TestChainMonitor {
pub logger: Arc<dyn Logger>,
- pub simple_monitor: Arc<channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, Arc<TestBroadcaster>, Arc<FuzzEstimator>>>,
+ pub chain_monitor: Arc<chainmonitor::ChainMonitor<EnforcingChannelKeys, Arc<dyn chain::Filter>, Arc<TestBroadcaster>, Arc<FuzzEstimator>, Arc<dyn Logger>, Arc<TestPersister>>>,
pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
// If we reload a node with an old copy of ChannelMonitors, the ChannelManager deserialization
// logic will automatically force-close our channels for us (as we don't have an up-to-date
pub latest_monitors: Mutex<HashMap<OutPoint, (u64, Vec<u8>)>>,
pub should_update_manager: atomic::AtomicBool,
}
-impl TestChannelMonitor {
- pub fn new(chain_monitor: Arc<dyn chaininterface::ChainWatchInterface>, broadcaster: Arc<TestBroadcaster>, logger: Arc<dyn Logger>, feeest: Arc<FuzzEstimator>) -> Self {
+impl TestChainMonitor {
+ pub fn new(broadcaster: Arc<TestBroadcaster>, logger: Arc<dyn Logger>, feeest: Arc<FuzzEstimator>, persister: Arc<TestPersister>) -> Self {
Self {
- simple_monitor: Arc::new(channelmonitor::SimpleManyChannelMonitor::new(chain_monitor, broadcaster, logger.clone(), feeest)),
+ chain_monitor: Arc::new(chainmonitor::ChainMonitor::new(None, broadcaster, logger.clone(), feeest, persister)),
logger,
update_ret: Mutex::new(Ok(())),
latest_monitors: Mutex::new(HashMap::new()),
}
}
}
-impl channelmonitor::ManyChannelMonitor<EnforcingChannelKeys> for TestChannelMonitor {
- fn add_monitor(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingChannelKeys>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
+impl chain::Watch for TestChainMonitor {
+ type Keys = EnforcingChannelKeys;
+
+ fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingChannelKeys>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
let mut ser = VecWriter(Vec::new());
- monitor.write_for_disk(&mut ser).unwrap();
+ monitor.serialize_for_disk(&mut ser).unwrap();
if let Some(_) = self.latest_monitors.lock().unwrap().insert(funding_txo, (monitor.get_latest_update_id(), ser.0)) {
- panic!("Already had monitor pre-add_monitor");
+ panic!("Already had monitor pre-watch_channel");
}
self.should_update_manager.store(true, atomic::Ordering::Relaxed);
- assert!(self.simple_monitor.add_monitor(funding_txo, monitor).is_ok());
+ assert!(self.chain_monitor.watch_channel(funding_txo, monitor).is_ok());
self.update_ret.lock().unwrap().clone()
}
- fn update_monitor(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
+ fn update_channel(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
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 mut deserialized_monitor = <(Sha256d, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::
- read(&mut Cursor::new(&map_entry.get().1), Arc::clone(&self.logger)).unwrap().1;
- deserialized_monitor.update_monitor(update.clone(), &&TestBroadcaster {}).unwrap();
+ let mut deserialized_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::
+ read(&mut Cursor::new(&map_entry.get().1)).unwrap().1;
+ deserialized_monitor.update_monitor(&update, &&TestBroadcaster{}, &&FuzzEstimator{}, &self.logger).unwrap();
let mut ser = VecWriter(Vec::new());
- deserialized_monitor.write_for_disk(&mut ser).unwrap();
+ deserialized_monitor.serialize_for_disk(&mut ser).unwrap();
map_entry.insert((update.update_id, ser.0));
self.should_update_manager.store(true, atomic::Ordering::Relaxed);
self.update_ret.lock().unwrap().clone()
}
- fn get_and_clear_pending_htlcs_updated(&self) -> Vec<HTLCUpdate> {
- return self.simple_monitor.get_and_clear_pending_htlcs_updated();
+ fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
+ return self.chain_monitor.release_pending_monitor_events();
}
}
struct KeyProvider {
node_id: u8,
- session_id: atomic::AtomicU8,
- channel_id: atomic::AtomicU8,
+ rand_bytes_id: atomic::AtomicU8,
}
impl KeysInterface for KeyProvider {
type ChanKeySigner = EnforcingChannelKeys;
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 = Hash160::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize());
+ 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()
}
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(),
[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, 9, self.node_id],
channel_value_satoshis,
+ (0, 0),
))
}
- fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
- let id = self.session_id.fetch_add(1, atomic::Ordering::Relaxed);
- (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, id, 10, self.node_id]).unwrap(),
- [0; 32])
+ fn get_secure_random_bytes(&self) -> [u8; 32] {
+ let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed);
+ [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, id, 11, self.node_id]
}
+}
- fn get_channel_id(&self) -> [u8; 32] {
- let id = self.channel_id.fetch_add(1, atomic::Ordering::Relaxed);
- [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, id, 11, self.node_id]
+#[inline]
+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::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!" => {},
+ _ 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") => {},
+ _ if err.starts_with("Cannot send value that would overdraw remaining funds.") => {},
+ _ if err.starts_with("Cannot send value that would not leave enough to pay for fees.") => {},
+ _ => panic!(err),
+ }
+ },
+ APIError::MonitorUpdateFailed => {
+ // We can (obviously) temp-fail a monitor update
+ },
+ }
+}
+#[inline]
+fn check_payment_err(send_err: PaymentSendFailure) {
+ match send_err {
+ PaymentSendFailure::ParameterError(api_err) => check_api_err(api_err),
+ 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) => {
+ for api_err in per_path_results { check_api_err(api_err); }
+ },
+ PaymentSendFailure::PartialFailure(per_path_results) => {
+ for res in per_path_results { if let Err(api_err) = res { check_api_err(api_err); } }
+ },
}
}
macro_rules! make_node {
($node_id: expr) => { {
let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new($node_id.to_string(), out.clone()));
- let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger)));
- let monitor = Arc::new(TestChannelMonitor::new(watch.clone(), broadcast.clone(), logger.clone(), fee_est.clone()));
+ let monitor = Arc::new(TestChainMonitor::new(broadcast.clone(), logger.clone(), fee_est.clone(), Arc::new(TestPersister{})));
- let keys_manager = Arc::new(KeyProvider { node_id: $node_id, session_id: atomic::AtomicU8::new(0), channel_id: atomic::AtomicU8::new(0) });
+ let keys_manager = Arc::new(KeyProvider { node_id: $node_id, rand_bytes_id: atomic::AtomicU8::new(0) });
let mut config = UserConfig::default();
config.channel_options.fee_proportional_millionths = 0;
config.channel_options.announced_channel = true;
config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
- (Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap()),
+ (Arc::new(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0)),
monitor)
} }
}
macro_rules! reload_node {
($ser: expr, $node_id: expr, $old_monitors: expr) => { {
let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new($node_id.to_string(), out.clone()));
- let watch = Arc::new(ChainWatchInterfaceUtil::new(Network::Bitcoin, Arc::clone(&logger)));
- let monitor = Arc::new(TestChannelMonitor::new(watch.clone(), broadcast.clone(), logger.clone(), fee_est.clone()));
+ let chain_monitor = Arc::new(TestChainMonitor::new(broadcast.clone(), logger.clone(), fee_est.clone(), Arc::new(TestPersister{})));
- let keys_manager = Arc::new(KeyProvider { node_id: $node_id, session_id: atomic::AtomicU8::new(0), channel_id: atomic::AtomicU8::new(0) });
+ let keys_manager = Arc::new(KeyProvider { node_id: $node_id, rand_bytes_id: atomic::AtomicU8::new(0) });
let mut config = UserConfig::default();
config.channel_options.fee_proportional_millionths = 0;
config.channel_options.announced_channel = true;
let mut monitors = HashMap::new();
let mut old_monitors = $old_monitors.latest_monitors.lock().unwrap();
for (outpoint, (update_id, monitor_ser)) in old_monitors.drain() {
- monitors.insert(outpoint, <(Sha256d, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut Cursor::new(&monitor_ser), Arc::clone(&logger)).expect("Failed to read monitor").1);
- monitor.latest_monitors.lock().unwrap().insert(outpoint, (update_id, monitor_ser));
+ monitors.insert(outpoint, <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut Cursor::new(&monitor_ser)).expect("Failed to read monitor").1);
+ chain_monitor.latest_monitors.lock().unwrap().insert(outpoint, (update_id, monitor_ser));
}
let mut monitor_refs = HashMap::new();
for (outpoint, monitor) in monitors.iter_mut() {
let read_args = ChannelManagerReadArgs {
keys_manager,
fee_estimator: fee_est.clone(),
- monitor: monitor.clone(),
+ chain_monitor: chain_monitor.clone(),
tx_broadcaster: broadcast.clone(),
logger,
default_config: config,
- channel_monitors: &mut monitor_refs,
+ channel_monitors: monitor_refs,
};
- (<(Sha256d, ChannelManager<EnforcingChannelKeys, Arc<TestChannelMonitor>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>>)>::read(&mut Cursor::new(&$ser.0), read_args).expect("Failed to read manager").1, monitor)
+ (<(BlockHash, ChannelManager<EnforcingChannelKeys, Arc<TestChainMonitor>, Arc<TestBroadcaster>, Arc<KeyProvider>, Arc<FuzzEstimator>, Arc<dyn Logger>>)>::read(&mut Cursor::new(&$ser.0), read_args).expect("Failed to read manager").1, chain_monitor)
} }
}
let tx = Transaction { version: $chan_id, lock_time: 0, input: Vec::new(), output: vec![TxOut {
value: *channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
- funding_output = OutPoint::new(tx.txid(), 0);
+ funding_output = OutPoint { txid: tx.txid(), index: 0 };
$source.funding_transaction_generated(&temporary_channel_id, funding_output);
channel_txn.push(tx);
} else { panic!("Wrong event type"); }
macro_rules! confirm_txn {
($node: expr) => { {
let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
- let mut txn = Vec::with_capacity(channel_txn.len());
- let mut posn = Vec::with_capacity(channel_txn.len());
- for i in 0..channel_txn.len() {
- txn.push(&channel_txn[i]);
- posn.push(i as u32 + 1);
- }
- $node.block_connected(&header, 1, &txn, &posn);
+ let txdata: Vec<_> = channel_txn.iter().enumerate().map(|(i, tx)| (i + 1, tx)).collect();
+ $node.block_connected(&header, &txdata, 1);
for i in 2..100 {
- header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
- $node.block_connected(&header, i, &Vec::new(), &[0; 0]);
+ header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ $node.block_connected(&header, &[], i);
}
} }
}
loop {
macro_rules! send_payment {
- ($source: expr, $dest: expr) => { {
+ ($source: expr, $dest: expr, $amt: expr) => { {
let payment_hash = Sha256::hash(&[payment_id; 1]);
payment_id = payment_id.wrapping_add(1);
- if let Err(_) = $source.send_payment(&Route {
+ if let Err(err) = $source.send_payment(&Route {
paths: vec![vec![RouteHop {
pubkey: $dest.0.get_our_node_id(),
node_features: NodeFeatures::empty(),
short_channel_id: $dest.1,
channel_features: ChannelFeatures::empty(),
- fee_msat: 5000000,
+ fee_msat: $amt,
cltv_expiry_delta: 200,
}]],
}, PaymentHash(payment_hash.into_inner()), &None) {
- // Probably ran out of funds
- test_return!();
+ check_payment_err(err);
}
} };
- ($source: expr, $middle: expr, $dest: expr) => { {
+ ($source: expr, $middle: expr, $dest: expr, $amt: expr) => { {
let payment_hash = Sha256::hash(&[payment_id; 1]);
payment_id = payment_id.wrapping_add(1);
- if let Err(_) = $source.send_payment(&Route {
+ if let Err(err) = $source.send_payment(&Route {
paths: vec![vec![RouteHop {
pubkey: $middle.0.get_our_node_id(),
node_features: NodeFeatures::empty(),
node_features: NodeFeatures::empty(),
short_channel_id: $dest.1,
channel_features: ChannelFeatures::empty(),
- fee_msat: 5000000,
+ fee_msat: $amt,
cltv_expiry_delta: 200,
}]],
}, PaymentHash(payment_hash.into_inner()), &None) {
- // Probably ran out of funds
- test_return!();
+ check_payment_err(err);
}
} }
}
payment_id = payment_id.wrapping_add(1);
let payment_secret = Sha256::hash(&[payment_id; 1]);
payment_id = payment_id.wrapping_add(1);
- if let Err(_) = $source.send_payment(&Route {
+ if let Err(err) = $source.send_payment(&Route {
paths: vec![vec![RouteHop {
pubkey: $middle.0.get_our_node_id(),
node_features: NodeFeatures::empty(),
cltv_expiry_delta: 200,
}]],
}, PaymentHash(payment_hash.into_inner()), &Some(PaymentSecret(payment_secret.into_inner()))) {
- // Probably ran out of funds
- test_return!();
+ check_payment_err(err);
}
} }
}
});
for event in events.drain(..) {
match event {
- events::Event::PaymentReceived { payment_hash, payment_secret, .. } => {
+ events::Event::PaymentReceived { payment_hash, payment_secret, amt } => {
if claim_set.insert(payment_hash.0) {
if $fail {
assert!(nodes[$node].fail_htlc_backwards(&payment_hash, &payment_secret));
} else {
- assert!(nodes[$node].claim_funds(PaymentPreimage(payment_hash.0), &payment_secret, 5_000_000));
+ assert!(nodes[$node].claim_funds(PaymentPreimage(payment_hash.0), &payment_secret, amt));
}
}
},
nodes[2].channel_monitor_updated(&chan_2_funding, *id);
}
},
- 0x09 => send_payment!(nodes[0], (&nodes[1], chan_a)),
- 0x0a => send_payment!(nodes[1], (&nodes[0], chan_a)),
- 0x0b => send_payment!(nodes[1], (&nodes[2], chan_b)),
- 0x0c => send_payment!(nodes[2], (&nodes[1], chan_b)),
- 0x0d => send_payment!(nodes[0], (&nodes[1], chan_a), (&nodes[2], chan_b)),
- 0x0e => send_payment!(nodes[2], (&nodes[1], chan_b), (&nodes[0], chan_a)),
+ 0x09 => send_payment!(nodes[0], (&nodes[1], chan_a), 5_000_000),
+ 0x0a => send_payment!(nodes[1], (&nodes[0], chan_a), 5_000_000),
+ 0x0b => send_payment!(nodes[1], (&nodes[2], chan_b), 5_000_000),
+ 0x0c => send_payment!(nodes[2], (&nodes[1], chan_b), 5_000_000),
+ 0x0d => send_payment!(nodes[0], (&nodes[1], chan_a), (&nodes[2], chan_b), 5_000_000),
+ 0x0e => send_payment!(nodes[2], (&nodes[1], chan_b), (&nodes[0], chan_a), 5_000_000),
0x0f => {
if !chan_a_disconnected {
nodes[0].peer_disconnected(&nodes[1].get_our_node_id(), false);
},
0x22 => send_payment_with_secret!(nodes[0], (&nodes[1], chan_a), (&nodes[2], chan_b)),
0x23 => send_payment_with_secret!(nodes[2], (&nodes[1], chan_b), (&nodes[0], chan_a)),
+ 0x25 => send_payment!(nodes[0], (&nodes[1], chan_a), 10),
+ 0x26 => send_payment!(nodes[1], (&nodes[0], chan_a), 10),
+ 0x27 => send_payment!(nodes[1], (&nodes[2], chan_b), 10),
+ 0x28 => send_payment!(nodes[2], (&nodes[1], chan_b), 10),
+ 0x29 => send_payment!(nodes[0], (&nodes[1], chan_a), (&nodes[2], chan_b), 10),
+ 0x2a => send_payment!(nodes[2], (&nodes[1], chan_b), (&nodes[0], chan_a), 10),
+ 0x2b => send_payment!(nodes[0], (&nodes[1], chan_a), 1_000),
+ 0x2c => send_payment!(nodes[1], (&nodes[0], chan_a), 1_000),
+ 0x2d => send_payment!(nodes[1], (&nodes[2], chan_b), 1_000),
+ 0x2e => send_payment!(nodes[2], (&nodes[1], chan_b), 1_000),
+ 0x2f => send_payment!(nodes[0], (&nodes[1], chan_a), (&nodes[2], chan_b), 1_000),
+ 0x30 => send_payment!(nodes[2], (&nodes[1], chan_b), (&nodes[0], chan_a), 1_000),
+ 0x31 => send_payment!(nodes[0], (&nodes[1], chan_a), 100_000),
+ 0x32 => send_payment!(nodes[1], (&nodes[0], chan_a), 100_000),
+ 0x33 => send_payment!(nodes[1], (&nodes[2], chan_b), 100_000),
+ 0x34 => send_payment!(nodes[2], (&nodes[1], chan_b), 100_000),
+ 0x35 => send_payment!(nodes[0], (&nodes[1], chan_a), (&nodes[2], chan_b), 100_000),
+ 0x36 => send_payment!(nodes[2], (&nodes[1], chan_b), (&nodes[0], chan_a), 100_000),
// 0x24 defined above
_ => test_return!(),
}