use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, PaymentSecret, PaymentSendFailure, ChannelManagerReadArgs};
use lightning::ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, DecodeError, ErrorAction, UpdateAddHTLC, Init};
-use lightning::util::enforcing_trait_impls::EnforcingChannelKeys;
+use lightning::util::enforcing_trait_impls::{EnforcingChannelKeys, INITIAL_REVOKED_COMMITMENT_NUMBER};
use lightning::util::errors::APIError;
use lightning::util::events;
use lightning::util::logger::Logger;
struct KeyProvider {
node_id: u8,
rand_bytes_id: atomic::AtomicU8,
+ revoked_commitments: Mutex<HashMap<[u8;32], Arc<Mutex<u64>>>>,
}
impl KeysInterface for KeyProvider {
type ChanKeySigner = EnforcingChannelKeys;
fn get_channel_keys(&self, _inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
let secp_ctx = Secp256k1::signing_only();
- EnforcingChannelKeys::new(InMemoryChannelKeys::new(
+ let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed);
+ let keys = InMemoryChannelKeys::new(
&secp_ctx,
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(),
- [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],
+ [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_id],
channel_value_satoshis,
(0, 0),
- ))
+ );
+ let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
+ EnforcingChannelKeys::new_with_revoked(keys, revoked_commitment, false)
}
fn get_secure_random_bytes(&self) -> [u8; 32] {
[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 read_chan_signer(&self, data: &[u8]) -> Result<EnforcingChannelKeys, DecodeError> {
- EnforcingChannelKeys::read(&mut std::io::Cursor::new(data))
+ fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::ChanKeySigner, DecodeError> {
+ let mut reader = std::io::Cursor::new(buffer);
+
+ let inner: InMemoryChannelKeys = Readable::read(&mut reader)?;
+ let revoked_commitment = self.make_revoked_commitment_cell(inner.commitment_seed);
+
+ let last_commitment_number = Readable::read(&mut reader)?;
+
+ Ok(EnforcingChannelKeys {
+ inner,
+ last_commitment_number: Arc::new(Mutex::new(last_commitment_number)),
+ revoked_commitment,
+ disable_revocation_policy_check: false,
+ })
+ }
+}
+
+impl KeyProvider {
+ fn make_revoked_commitment_cell(&self, commitment_seed: [u8; 32]) -> Arc<Mutex<u64>> {
+ let mut revoked_commitments = self.revoked_commitments.lock().unwrap();
+ if !revoked_commitments.contains_key(&commitment_seed) {
+ revoked_commitments.insert(commitment_seed, Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)));
+ }
+ let cell = revoked_commitments.get(&commitment_seed).unwrap();
+ Arc::clone(cell)
}
}
let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new($node_id.to_string(), out.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, rand_bytes_id: atomic::AtomicU8::new(0) });
+ let keys_manager = Arc::new(KeyProvider { node_id: $node_id, rand_bytes_id: atomic::AtomicU8::new(0), revoked_commitments: Mutex::new(HashMap::new()) });
let mut config = UserConfig::default();
config.channel_options.fee_proportional_millionths = 0;
config.channel_options.announced_channel = true;
config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
(ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0),
- monitor)
+ monitor, keys_manager)
} }
}
macro_rules! reload_node {
- ($ser: expr, $node_id: expr, $old_monitors: expr) => { {
+ ($ser: expr, $node_id: expr, $old_monitors: expr, $keys_manager: expr) => { {
+ let keys_manager = Arc::clone(& $keys_manager);
let logger: Arc<dyn Logger> = Arc::new(test_logger::TestLogger::new($node_id.to_string(), out.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, 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;
// 3 nodes is enough to hit all the possible cases, notably unknown-source-unknown-dest
// forwarding.
- let (node_a, mut monitor_a) = make_node!(0);
- let (node_b, mut monitor_b) = make_node!(1);
- let (node_c, mut monitor_c) = make_node!(2);
+ let (node_a, mut monitor_a, keys_manager_a) = make_node!(0);
+ let (node_b, mut monitor_b, keys_manager_b) = make_node!(1);
+ let (node_c, mut monitor_c, keys_manager_c) = make_node!(2);
let mut nodes = [node_a, node_b, node_c];
chan_a_disconnected = true;
drain_msg_events_on_disconnect!(0);
}
- let (new_node_a, new_monitor_a) = reload_node!(node_a_ser, 0, monitor_a);
+ let (new_node_a, new_monitor_a) = reload_node!(node_a_ser, 0, monitor_a, keys_manager_a);
nodes[0] = new_node_a;
monitor_a = new_monitor_a;
},
nodes[2].get_and_clear_pending_msg_events();
bc_events.clear();
}
- let (new_node_b, new_monitor_b) = reload_node!(node_b_ser, 1, monitor_b);
+ let (new_node_b, new_monitor_b) = reload_node!(node_b_ser, 1, monitor_b, keys_manager_b);
nodes[1] = new_node_b;
monitor_b = new_monitor_b;
},
chan_b_disconnected = true;
drain_msg_events_on_disconnect!(2);
}
- let (new_node_c, new_monitor_c) = reload_node!(node_c_ser, 2, monitor_c);
+ let (new_node_c, new_monitor_c) = reload_node!(node_c_ser, 2, monitor_c, keys_manager_c);
nodes[2] = new_node_c;
monitor_c = new_monitor_c;
},
let persister_1 = FilesystemPersister::new("test_filesystem_persister_1".to_string());
let chanmon_cfgs = create_chanmon_cfgs(2);
let mut node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
- let chain_mon_0 = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &persister_0);
- let chain_mon_1 = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[1].chain_source), &chanmon_cfgs[1].tx_broadcaster, &chanmon_cfgs[1].logger, &chanmon_cfgs[1].fee_estimator, &persister_1);
+ let chain_mon_0 = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &persister_0, &node_cfgs[0].keys_manager);
+ let chain_mon_1 = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[1].chain_source), &chanmon_cfgs[1].tx_broadcaster, &chanmon_cfgs[1].logger, &chanmon_cfgs[1].fee_estimator, &persister_1, &node_cfgs[1].keys_manager);
node_cfgs[0].chain_monitor = chain_mon_0;
node_cfgs[1].chain_monitor = chain_mon_1;
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
/// state. Thus, needs its own method as sign_holder_commitment may enforce that we only ever
/// get called once.
#[cfg(any(test,feature = "unsafe_revoked_tx_signing"))]
- fn unsafe_sign_holder_commitment<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<Signature, ()>;
+ fn unsafe_sign_holder_commitment_and_htlcs<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<(Signature, Vec<Signature>), ()>;
/// Create a signature for the given input in a transaction spending an HTLC or commitment
/// transaction output when our counterparty broadcasts an old state.
fn sign_holder_commitment_and_htlcs<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<(Signature, Vec<Signature>), ()> {
let funding_pubkey = PublicKey::from_secret_key(secp_ctx, &self.funding_key);
let funding_redeemscript = make_funding_redeemscript(&funding_pubkey, &self.counterparty_pubkeys().funding_pubkey);
- let sig = commitment_tx.trust().built_transaction().sign(&self.funding_key, &funding_redeemscript, self.channel_value_satoshis, secp_ctx);
- let channel_parameters = self.get_channel_parameters();
let trusted_tx = commitment_tx.trust();
+ let sig = trusted_tx.built_transaction().sign(&self.funding_key, &funding_redeemscript, self.channel_value_satoshis, secp_ctx);
+ let channel_parameters = self.get_channel_parameters();
let htlc_sigs = trusted_tx.get_htlc_sigs(&self.htlc_base_key, &channel_parameters.as_holder_broadcastable(), secp_ctx)?;
Ok((sig, htlc_sigs))
}
#[cfg(any(test,feature = "unsafe_revoked_tx_signing"))]
- fn unsafe_sign_holder_commitment<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<Signature, ()> {
+ fn unsafe_sign_holder_commitment_and_htlcs<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<(Signature, Vec<Signature>), ()> {
let funding_pubkey = PublicKey::from_secret_key(secp_ctx, &self.funding_key);
- let channel_funding_redeemscript = make_funding_redeemscript(&funding_pubkey, &self.counterparty_pubkeys().funding_pubkey);
- Ok(commitment_tx.trust().built_transaction().sign(&self.funding_key, &channel_funding_redeemscript, self.channel_value_satoshis, secp_ctx))
+ let funding_redeemscript = make_funding_redeemscript(&funding_pubkey, &self.counterparty_pubkeys().funding_pubkey);
+ let trusted_tx = commitment_tx.trust();
+ let sig = trusted_tx.built_transaction().sign(&self.funding_key, &funding_redeemscript, self.channel_value_satoshis, secp_ctx);
+ let channel_parameters = self.get_channel_parameters();
+ let htlc_sigs = trusted_tx.get_htlc_sigs(&self.htlc_base_key, &channel_parameters.as_holder_broadcastable(), secp_ctx)?;
+ Ok((sig, htlc_sigs))
}
fn sign_justice_transaction<T: secp256k1::Signing + secp256k1::Verification>(&self, justice_tx: &Transaction, input: usize, amount: u64, per_commitment_key: &SecretKey, htlc: &Option<HTLCOutputInCommitment>, secp_ctx: &Secp256k1<T>) -> Result<Signature, ()> {
let new_monitor = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
&mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let chain_mon = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let chain_mon = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(chain_mon.watch_channel(outpoint, new_monitor).is_ok());
chain_mon
};
use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
use util::enforcing_trait_impls::EnforcingChannelKeys;
use util::test_utils;
-use util::test_utils::{TestChainMonitor, OnlyReadsKeysInterface};
+use util::test_utils::TestChainMonitor;
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
use util::errors::APIError;
use util::config::UserConfig;
pub chain_source: test_utils::TestChainSource,
pub persister: test_utils::TestPersister,
pub logger: test_utils::TestLogger,
+ pub keys_manager: test_utils::TestKeysInterface,
}
pub struct NodeCfg<'a> {
pub tx_broadcaster: &'a test_utils::TestBroadcaster,
pub fee_estimator: &'a test_utils::TestFeeEstimator,
pub chain_monitor: test_utils::TestChainMonitor<'a>,
- pub keys_manager: test_utils::TestKeysInterface,
+ pub keys_manager: &'a test_utils::TestKeysInterface,
pub logger: &'a test_utils::TestLogger,
pub node_seed: [u8; 32],
}
let mut w = test_utils::TestVecWriter(Vec::new());
old_monitor.write(&mut w).unwrap();
let (_, deserialized_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut ::std::io::Cursor::new(&w.0), &OnlyReadsKeysInterface {}).unwrap();
+ &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap();
deserialized_monitors.push(deserialized_monitor);
}
}
txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone())
};
let chain_source = test_utils::TestChainSource::new(Network::Testnet);
- let chain_monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &broadcaster, &self.logger, &feeest, &persister);
+ let chain_monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &broadcaster, &self.logger, &feeest, &persister, &self.keys_manager);
for deserialized_monitor in deserialized_monitors.drain(..) {
if let Err(_) = chain_monitor.watch_channel(deserialized_monitor.get_funding_txo().0, deserialized_monitor) {
panic!();
let chain_source = test_utils::TestChainSource::new(Network::Testnet);
let logger = test_utils::TestLogger::with_id(format!("node {}", i));
let persister = test_utils::TestPersister::new();
- chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_source, logger, persister });
+ let seed = [i as u8; 32];
+ let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
+
+ chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_source, logger, persister, keys_manager });
}
chan_mon_cfgs
let mut nodes = Vec::new();
for i in 0..node_count {
+ let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[i].chain_source), &chanmon_cfgs[i].tx_broadcaster, &chanmon_cfgs[i].logger, &chanmon_cfgs[i].fee_estimator, &chanmon_cfgs[i].persister, &chanmon_cfgs[i].keys_manager);
let seed = [i as u8; 32];
- let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
- let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[i].chain_source), &chanmon_cfgs[i].tx_broadcaster, &chanmon_cfgs[i].logger, &chanmon_cfgs[i].fee_estimator, &chanmon_cfgs[i].persister);
- nodes.push(NodeCfg { chain_source: &chanmon_cfgs[i].chain_source, logger: &chanmon_cfgs[i].logger, tx_broadcaster: &chanmon_cfgs[i].tx_broadcaster, fee_estimator: &chanmon_cfgs[i].fee_estimator, chain_monitor, keys_manager, node_seed: seed });
+ nodes.push(NodeCfg { chain_source: &chanmon_cfgs[i].chain_source, logger: &chanmon_cfgs[i].logger, tx_broadcaster: &chanmon_cfgs[i].tx_broadcaster, fee_estimator: &chanmon_cfgs[i].fee_estimator, chain_monitor, keys_manager: &chanmon_cfgs[i].keys_manager, node_seed: seed });
}
nodes
default_config.channel_options.announced_channel = true;
default_config.peer_channel_config_limits.force_announced_channel_preference = false;
default_config.own_channel_config.our_htlc_minimum_msat = 1000; // sanitization being done by the sender, to exerce receiver logic we need to lift of limit
- let node = ChannelManager::new(Network::Testnet, cfgs[i].fee_estimator, &cfgs[i].chain_monitor, cfgs[i].tx_broadcaster, cfgs[i].logger, &cfgs[i].keys_manager, if node_config[i].is_some() { node_config[i].clone().unwrap() } else { default_config }, 0);
+ let node = ChannelManager::new(Network::Testnet, cfgs[i].fee_estimator, &cfgs[i].chain_monitor, cfgs[i].tx_broadcaster, cfgs[i].logger, cfgs[i].keys_manager, if node_config[i].is_some() { node_config[i].clone().unwrap() } else { default_config }, 0);
chanmgrs.push(node);
}
use std::collections::{BTreeSet, HashMap, HashSet};
use std::default::Default;
-use std::sync::{Arc, Mutex};
+use std::sync::Mutex;
use std::sync::atomic::Ordering;
use std::mem;
// Get the EnforcingChannelKeys for each channel, which will be used to (1) get the keys
// needed to sign the new commitment tx and (2) sign the new commitment tx.
- let (local_revocation_basepoint, local_htlc_basepoint, local_secret, local_secret2) = {
+ let (local_revocation_basepoint, local_htlc_basepoint, local_secret, next_local_point) = {
let chan_lock = nodes[0].node.channel_state.lock().unwrap();
let local_chan = chan_lock.by_id.get(&chan.2).unwrap();
let chan_keys = local_chan.get_keys();
let pubkeys = chan_keys.pubkeys();
(pubkeys.revocation_basepoint, pubkeys.htlc_basepoint,
- chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER), chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 2))
+ chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER),
+ chan_keys.get_per_commitment_point(INITIAL_COMMITMENT_NUMBER - 2, &secp_ctx))
};
- let (remote_delayed_payment_basepoint, remote_htlc_basepoint, remote_secret1) = {
+ let (remote_delayed_payment_basepoint, remote_htlc_basepoint,remote_point) = {
let chan_lock = nodes[1].node.channel_state.lock().unwrap();
let remote_chan = chan_lock.by_id.get(&chan.2).unwrap();
let chan_keys = remote_chan.get_keys();
let pubkeys = chan_keys.pubkeys();
(pubkeys.delayed_payment_basepoint, pubkeys.htlc_basepoint,
- chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 1))
+ chan_keys.get_per_commitment_point(INITIAL_COMMITMENT_NUMBER - 1, &secp_ctx))
};
// Assemble the set of keys we can use for signatures for our commitment_signed message.
- let commitment_secret = SecretKey::from_slice(&remote_secret1).unwrap();
- let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &commitment_secret);
- let commit_tx_keys = chan_utils::TxCreationKeys::derive_new(&secp_ctx, &per_commitment_point, &remote_delayed_payment_basepoint,
+ let commit_tx_keys = chan_utils::TxCreationKeys::derive_new(&secp_ctx, &remote_point, &remote_delayed_payment_basepoint,
&remote_htlc_basepoint, &local_revocation_basepoint, &local_htlc_basepoint).unwrap();
// Build the remote commitment transaction so we can sign it, and then later use the
let _ = nodes[1].node.get_and_clear_pending_msg_events();
// Send the RAA to nodes[1].
- let per_commitment_secret = local_secret;
- let next_secret = SecretKey::from_slice(&local_secret2).unwrap();
- let next_per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &next_secret);
- let raa_msg = msgs::RevokeAndACK{ channel_id: chan.2, per_commitment_secret, next_per_commitment_point};
+ let raa_msg = msgs::RevokeAndACK {
+ channel_id: chan.2,
+ per_commitment_secret: local_secret,
+ next_per_commitment_point: next_local_point
+ };
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &raa_msg);
let events = nodes[1].node.get_and_clear_pending_msg_events();
bob_config.peer_channel_config_limits.force_announced_channel_preference = false;
bob_config.own_channel_config.our_to_self_delay = 6 * 24 * 3;
let user_cfgs = [Some(alice_config), Some(bob_config)];
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
+ chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &user_cfgs);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
#[test]
fn claim_htlc_outputs_shared_tx() {
// Node revoked old state, htlcs haven't time out yet, claim them in shared justice tx
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
#[test]
fn claim_htlc_outputs_single_tx() {
// Node revoked old state, htlcs have timed out, claim each of them in separated justice tx
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let fee_estimator: test_utils::TestFeeEstimator;
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
logger = test_utils::TestLogger::new();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut chan_0_monitor_read, &keys_manager).unwrap();
+ &mut chan_0_monitor_read, keys_manager).unwrap();
assert!(chan_0_monitor_read.is_empty());
let mut nodes_0_read = &nodes_0_serialized[..];
channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: config,
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let persister: test_utils::TestPersister;
let logger: test_utils::TestLogger;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let push_msat = 10001;
let a_flags = InitFeatures::known();
let b_flags = InitFeatures::known();
- let node_a = nodes.pop().unwrap();
- let node_b = nodes.pop().unwrap();
+ let node_a = nodes.remove(0);
+ let node_b = nodes.remove(0);
node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id()));
node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id()));
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
logger = test_utils::TestLogger::new();
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut chan_0_monitor_read, &keys_manager).unwrap();
+ &mut chan_0_monitor_read, keys_manager).unwrap();
assert!(chan_0_monitor_read.is_empty());
let mut nodes_0_read = &nodes_0_serialized[..];
channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: config,
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let fee_estimator: test_utils::TestFeeEstimator;
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
logger = test_utils::TestLogger::new();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut chan_0_monitor_read, &keys_manager).unwrap();
+ &mut chan_0_monitor_read, keys_manager).unwrap();
assert!(chan_0_monitor_read.is_empty());
let mut nodes_0_read = &nodes_0_serialized[..];
channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let fee_estimator: test_utils::TestFeeEstimator;
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
logger = test_utils::TestLogger::new();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
let mut node_0_stale_monitors = Vec::new();
for serialized in node_0_stale_monitors_serialized.iter() {
let mut read = &serialized[..];
- let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read, &keys_manager).unwrap();
+ let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read, keys_manager).unwrap();
assert!(read.is_empty());
node_0_stale_monitors.push(monitor);
}
let mut node_0_monitors = Vec::new();
for serialized in node_0_monitors_serialized.iter() {
let mut read = &serialized[..];
- let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read, &keys_manager).unwrap();
+ let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read, keys_manager).unwrap();
assert!(read.is_empty());
node_0_monitors.push(monitor);
}
if let Err(msgs::DecodeError::InvalidValue) =
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let (_, nodes_0_deserialized_tmp) =
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
#[test]
fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() {
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
#[test]
fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() {
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
// We manually create the node configuration to backup the seed.
let seed = [42; 32];
let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
- let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &chanmon_cfgs[0].persister);
- let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager, node_seed: seed };
+ let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &chanmon_cfgs[0].persister, &keys_manager);
+ let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager: &keys_manager, node_seed: seed };
let mut node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
node_cfgs.remove(0);
node_cfgs.insert(0, node);
// We can have at most two valid local commitment tx, so both cases must be covered, and both txs must be checked to get them all as
// HTLC could have been removed from lastest local commitment tx but still valid until we get remote RAA
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
// We test config.our_to_self > BREAKDOWN_TIMEOUT is enforced in Channel::new_outbound()
- let keys_manager = Arc::new(test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet));
- if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) {
+ if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) {
match error {
APIError::APIMisuseError { err } => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) {
match error {
ChannelError::Close(err) => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) {
match error {
ChannelError::Close(err) => { assert!(regex::Regex::new(r"They wanted our payments to be delayed by a needlessly long period\. Upper limit: \d+\. Actual: \d+").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
fn test_data_loss_protect() {
// We want to be sure that :
// * we don't broadcast our Local Commitment Tx in case of fallen behind
+ // (but this is not quite true - we broadcast during Drop because chanmon is out of sync with chanmgr)
// * we close channel in case of detecting other being fallen behind
// * we are able to claim our own outputs thanks to to_remote being static
- let keys_manager;
+ // TODO: this test is incomplete and the data_loss_protect implementation is incomplete - see issue #775
let persister;
let logger;
let fee_estimator;
let tx_broadcaster;
let chain_source;
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ // We broadcast during Drop because chanmon is out of sync with chanmgr, which would cause a panic
+ // during signing due to revoked tx
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
let monitor;
let node_state_0;
- let chanmon_cfgs = create_chanmon_cfgs(2);
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
// Restore node A from previous state
logger = test_utils::TestLogger::with_id(format!("node {}", 0));
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
- let mut chain_monitor = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut ::std::io::Cursor::new(previous_chain_monitor_state.0), &keys_manager).unwrap().1;
+ let mut chain_monitor = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut ::std::io::Cursor::new(previous_chain_monitor_state.0), keys_manager).unwrap().1;
chain_source = test_utils::TestChainSource::new(Network::Testnet);
tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())};
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &fee_estimator, &persister);
+ monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &fee_estimator, &persister, keys_manager);
node_state_0 = {
let mut channel_monitors = HashMap::new();
channel_monitors.insert(OutPoint { txid: chan.3.txid(), index: 0 }, &mut chain_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut ::std::io::Cursor::new(previous_node_state), ChannelManagerReadArgs {
- keys_manager: &keys_manager,
+ keys_manager: keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: &monitor,
logger: &logger,
// In case of penalty txn with too low feerates for getting into mempools, RBF-bump them to sure
// we're able to claim outputs on revoked HTLC transactions before timelocks expiration
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let mut guard = nodes[0].node.channel_state.lock().unwrap();
let keys = &guard.by_id.get_mut(&channel_id).unwrap().holder_keys;
const INITIAL_COMMITMENT_NUMBER: u64 = (1 << 48) - 1;
+ let per_commitment_secret = keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER);
+ // Must revoke without gaps
+ keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 1);
let next_per_commitment_point = PublicKey::from_secret_key(&Secp256k1::new(),
&SecretKey::from_slice(&keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 2)).unwrap());
- let per_commitment_secret = keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER);
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(),
&msgs::RevokeAndACK { channel_id, per_commitment_secret, next_per_commitment_point });
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
&mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok());
watchtower
};
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
&mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok());
watchtower
};
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
&mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok());
watchtower
};
#[cfg(any(test, feature="unsafe_revoked_tx_signing"))]
pub(crate) fn get_fully_signed_copy_holder_tx(&mut self, funding_redeemscript: &Script) -> Transaction {
- let (sig, htlc_sigs) = self.key_storage.sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("sign holder commitment");
+ let (sig, htlc_sigs) = self.key_storage.unsafe_sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("sign holder commitment");
self.holder_htlc_sigs = Some(Self::extract_holder_sigs(&self.holder_commitment, htlc_sigs));
self.holder_commitment.add_holder_sig(funding_redeemscript, sig)
}
use std::io::Error;
use ln::msgs::DecodeError;
-/// An implementation of ChannelKeys that enforces some policy checks.
+/// Initial value for revoked commitment downward counter
+pub const INITIAL_REVOKED_COMMITMENT_NUMBER: u64 = 1 << 48;
+
+/// An implementation of ChannelKeys that enforces some policy checks. The current checks
+/// are an incomplete set. They include:
+///
+/// - When signing, the holder transaction has not been revoked
+/// - When revoking, the holder transaction has not been signed
+/// - The holder commitment number is monotonic and without gaps
+/// - The counterparty commitment number is monotonic and without gaps
+/// - The pre-derived keys and pre-built transaction in CommitmentTransaction were correctly built
///
/// Eventually we will probably want to expose a variant of this which would essentially
/// be what you'd want to run on a hardware wallet.
#[derive(Clone)]
pub struct EnforcingChannelKeys {
pub inner: InMemoryChannelKeys,
- last_commitment_number: Arc<Mutex<Option<u64>>>,
+ /// The last counterparty commitment number we signed, backwards counting
+ pub last_commitment_number: Arc<Mutex<Option<u64>>>,
+ /// The last holder commitment number we revoked, backwards counting
+ pub revoked_commitment: Arc<Mutex<u64>>,
+ pub disable_revocation_policy_check: bool,
}
impl EnforcingChannelKeys {
+ /// Construct an EnforcingChannelKeys
pub fn new(inner: InMemoryChannelKeys) -> Self {
Self {
inner,
last_commitment_number: Arc::new(Mutex::new(None)),
+ revoked_commitment: Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)),
+ disable_revocation_policy_check: false
+ }
+ }
+
+ /// Construct an EnforcingChannelKeys with externally managed storage
+ ///
+ /// Since there are multiple copies of this struct for each channel, some coordination is needed
+ /// so that all copies are aware of revocations. A pointer to this state is provided here, usually
+ /// by an implementation of KeysInterface.
+ pub fn new_with_revoked(inner: InMemoryChannelKeys, revoked_commitment: Arc<Mutex<u64>>, disable_revocation_policy_check: bool) -> Self {
+ Self {
+ inner,
+ last_commitment_number: Arc::new(Mutex::new(None)),
+ revoked_commitment,
+ disable_revocation_policy_check
}
}
}
}
fn release_commitment_secret(&self, idx: u64) -> [u8; 32] {
- // TODO: enforce the ChannelKeys contract - error here if we already signed this commitment
+ {
+ let mut revoked = self.revoked_commitment.lock().unwrap();
+ assert!(idx == *revoked || idx == *revoked - 1, "can only revoke the current or next unrevoked commitment - trying {}, revoked {}", idx, *revoked);
+ *revoked = idx;
+ }
self.inner.release_commitment_secret(idx)
}
let commitment_txid = trusted_tx.txid();
let holder_csv = self.inner.counterparty_selected_contest_delay();
+ let revoked = self.revoked_commitment.lock().unwrap();
+ let commitment_number = trusted_tx.commitment_number();
+ if *revoked - 1 != commitment_number && *revoked - 2 != commitment_number {
+ if !self.disable_revocation_policy_check {
+ panic!("can only sign the next two unrevoked commitment numbers, revoked={} vs requested={} for {}",
+ *revoked, commitment_number, self.inner.commitment_seed[0])
+ }
+ }
+
for (this_htlc, sig) in trusted_tx.htlcs().iter().zip(&commitment_tx.counterparty_htlc_sigs) {
assert!(this_htlc.transaction_output_index.is_some());
let keys = trusted_tx.keys();
secp_ctx.verify(&sighash, sig, &keys.countersignatory_htlc_key).unwrap();
}
- // TODO: enforce the ChannelKeys contract - error if this commitment was already revoked
- // TODO: need the commitment number
Ok(self.inner.sign_holder_commitment_and_htlcs(commitment_tx, secp_ctx).unwrap())
}
#[cfg(any(test,feature = "unsafe_revoked_tx_signing"))]
- fn unsafe_sign_holder_commitment<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<Signature, ()> {
- Ok(self.inner.unsafe_sign_holder_commitment(commitment_tx, secp_ctx).unwrap())
+ fn unsafe_sign_holder_commitment_and_htlcs<T: secp256k1::Signing + secp256k1::Verification>(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<T>) -> Result<(Signature, Vec<Signature>), ()> {
+ Ok(self.inner.unsafe_sign_holder_commitment_and_htlcs(commitment_tx, secp_ctx).unwrap())
}
fn sign_justice_transaction<T: secp256k1::Signing + secp256k1::Verification>(&self, justice_tx: &Transaction, input: usize, amount: u64, per_commitment_key: &SecretKey, htlc: &Option<HTLCOutputInCommitment>, secp_ctx: &Secp256k1<T>) -> Result<Signature, ()> {
let last_commitment_number = Readable::read(reader)?;
Ok(EnforcingChannelKeys {
inner,
- last_commitment_number: Arc::new(Mutex::new(last_commitment_number))
+ last_commitment_number: Arc::new(Mutex::new(last_commitment_number)),
+ revoked_commitment: Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)),
+ disable_revocation_policy_check: false,
})
}
}
use ln::features::{ChannelFeatures, InitFeatures};
use ln::msgs;
use ln::msgs::OptionalField;
-use util::enforcing_trait_impls::EnforcingChannelKeys;
+use util::enforcing_trait_impls::{EnforcingChannelKeys, INITIAL_REVOKED_COMMITMENT_NUMBER};
use util::events;
use util::logger::{Logger, Level, Record};
use util::ser::{Readable, ReadableArgs, Writer, Writeable};
use regex;
use std::time::Duration;
-use std::sync::Mutex;
+use std::sync::{Mutex, Arc};
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::{cmp, mem};
use std::collections::{HashMap, HashSet};
+use chain::keysinterface::InMemoryChannelKeys;
pub struct TestVecWriter(pub Vec<u8>);
impl Writer for TestVecWriter {
pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>>,
pub latest_monitor_update_id: Mutex<HashMap<[u8; 32], (OutPoint, u64)>>,
pub chain_monitor: chainmonitor::ChainMonitor<EnforcingChannelKeys, &'a TestChainSource, &'a chaininterface::BroadcasterInterface, &'a TestFeeEstimator, &'a TestLogger, &'a channelmonitor::Persist<EnforcingChannelKeys>>,
+ pub keys_manager: &'a TestKeysInterface,
pub update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
// If this is set to Some(), after the next return, we'll always return this until update_ret
// is changed:
pub next_update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
}
impl<'a> TestChainMonitor<'a> {
- pub fn new(chain_source: Option<&'a TestChainSource>, broadcaster: &'a chaininterface::BroadcasterInterface, logger: &'a TestLogger, fee_estimator: &'a TestFeeEstimator, persister: &'a channelmonitor::Persist<EnforcingChannelKeys>) -> Self {
+ pub fn new(chain_source: Option<&'a TestChainSource>, broadcaster: &'a chaininterface::BroadcasterInterface, logger: &'a TestLogger, fee_estimator: &'a TestFeeEstimator, persister: &'a channelmonitor::Persist<EnforcingChannelKeys>, keys_manager: &'a TestKeysInterface) -> Self {
Self {
added_monitors: Mutex::new(Vec::new()),
latest_monitor_update_id: Mutex::new(HashMap::new()),
chain_monitor: chainmonitor::ChainMonitor::new(chain_source, broadcaster, logger, fee_estimator, persister),
+ keys_manager,
update_ret: Mutex::new(None),
next_update_ret: Mutex::new(None),
}
let mut w = TestVecWriter(Vec::new());
monitor.write(&mut w).unwrap();
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut ::std::io::Cursor::new(&w.0), &OnlyReadsKeysInterface {}).unwrap().1;
+ &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
assert!(new_monitor == monitor);
self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, monitor.get_latest_update_id()));
self.added_monitors.lock().unwrap().push((funding_txo, monitor));
w.0.clear();
monitor.write(&mut w).unwrap();
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut ::std::io::Cursor::new(&w.0), &OnlyReadsKeysInterface {}).unwrap().1;
+ &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
assert!(new_monitor == *monitor);
self.added_monitors.lock().unwrap().push((funding_txo, new_monitor));
backing: keysinterface::KeysManager,
pub override_session_priv: Mutex<Option<[u8; 32]>>,
pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
+ pub disable_revocation_policy_check: bool,
+ revoked_commitments: Mutex<HashMap<[u8;32], Arc<Mutex<u64>>>>,
}
impl keysinterface::KeysInterface for TestKeysInterface {
fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
- EnforcingChannelKeys::new(self.backing.get_channel_keys(inbound, channel_value_satoshis))
+ let keys = self.backing.get_channel_keys(inbound, channel_value_satoshis);
+ let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
+ EnforcingChannelKeys::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
}
fn get_secure_random_bytes(&self) -> [u8; 32] {
self.backing.get_secure_random_bytes()
}
- fn read_chan_signer(&self, reader: &[u8]) -> Result<Self::ChanKeySigner, msgs::DecodeError> {
- EnforcingChannelKeys::read(&mut std::io::Cursor::new(reader))
+ fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::ChanKeySigner, msgs::DecodeError> {
+ let mut reader = std::io::Cursor::new(buffer);
+
+ let inner: InMemoryChannelKeys = Readable::read(&mut reader)?;
+ let revoked_commitment = self.make_revoked_commitment_cell(inner.commitment_seed);
+
+ let last_commitment_number = Readable::read(&mut reader)?;
+
+ Ok(EnforcingChannelKeys {
+ inner,
+ last_commitment_number: Arc::new(Mutex::new(last_commitment_number)),
+ revoked_commitment,
+ disable_revocation_policy_check: self.disable_revocation_policy_check,
+ })
}
}
+
impl TestKeysInterface {
pub fn new(seed: &[u8; 32], network: Network) -> Self {
let now = Duration::from_secs(genesis_block(network).header.time as u64);
backing: keysinterface::KeysManager::new(seed, network, now.as_secs(), now.subsec_nanos()),
override_session_priv: Mutex::new(None),
override_channel_id_priv: Mutex::new(None),
+ disable_revocation_policy_check: false,
+ revoked_commitments: Mutex::new(HashMap::new()),
}
}
pub fn derive_channel_keys(&self, channel_value_satoshis: u64, user_id_1: u64, user_id_2: u64) -> EnforcingChannelKeys {
- EnforcingChannelKeys::new(self.backing.derive_channel_keys(channel_value_satoshis, user_id_1, user_id_2))
+ let keys = self.backing.derive_channel_keys(channel_value_satoshis, user_id_1, user_id_2);
+ let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
+ EnforcingChannelKeys::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
+ }
+
+ fn make_revoked_commitment_cell(&self, commitment_seed: [u8; 32]) -> Arc<Mutex<u64>> {
+ let mut revoked_commitments = self.revoked_commitments.lock().unwrap();
+ if !revoked_commitments.contains_key(&commitment_seed) {
+ revoked_commitments.insert(commitment_seed, Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)));
+ }
+ let cell = revoked_commitments.get(&commitment_seed).unwrap();
+ Arc::clone(cell)
}
}
projects / rust-lightning / commitdiff