use chain::channelmonitor;
use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use chain::transaction::OutPoint;
-use chain::keysinterface::{ChannelKeys, KeysInterface, SpendableOutputDescriptor};
+use chain::keysinterface::{ChannelKeys, KeysInterface};
use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure, BREAKDOWN_TIMEOUT};
use ln::channel::{Channel, ChannelError};
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hash_types::{Txid, BlockHash};
-use bitcoin::util::bip143;
-use bitcoin::util::address::Address;
-use bitcoin::util::bip32::{ChildNumber, ExtendedPubKey, ExtendedPrivKey};
use bitcoin::blockdata::block::{Block, BlockHeader};
-use bitcoin::blockdata::transaction::{Transaction, TxOut, TxIn, SigHashType};
-use bitcoin::blockdata::script::{Builder, Script};
+use bitcoin::blockdata::script::Builder;
use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
let route = get_route(&nodes[0].node.get_our_node_id(), net_graph_msg_handler, &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap();
(route, payment_hash, payment_preimage)
}}
- };
+ }
let (route, payment_hash, _) = get_route_and_payment_hash!(3460001);
// Need to manually create the update_add_htlc message to go around the channel reserve check in send_htlc()
let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.first().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap();
(route, payment_hash, payment_preimage)
}}
- };
+ }
let (route, our_payment_hash, _) = get_route_and_payment_hash!(1000);
unwrap_send_err!(nodes[1].node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err },
let route = get_route(&nodes[1].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.first().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap();
(route, payment_hash, payment_preimage)
}}
- };
+ }
let (route, payment_hash, _) = get_route_and_payment_hash!(1000);
// Need to manually create the update_add_htlc message to go around the channel reserve check in send_htlc()
let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap();
(route, payment_hash, payment_preimage)
}}
- };
+ }
let feemsat = 239;
let total_routing_fee_msat = (nodes.len() - 2) as u64 * feemsat;
let route = get_route(&nodes[0].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes.last().unwrap().node.get_our_node_id(), None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, &logger).unwrap();
(route, payment_hash, payment_preimage)
}}
- };
+ }
macro_rules! expect_forward {
($node: expr) => {{
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
route_payment(&nodes[0], &[&nodes[1]], 10000000);
- nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id);
+ nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id).unwrap();
check_closed_broadcast!(nodes[0], false);
check_added_monitors!(nodes[0], 1);
// state or updated nodes[1]' state. Now force-close and broadcast that commitment/HTLC
// transaction and ensure nodes[1] doesn't fail-backwards (this was originally a bug!).
- nodes[2].node.force_close_channel(&payment_event.commitment_msg.channel_id);
+ nodes[2].node.force_close_channel(&payment_event.commitment_msg.channel_id).unwrap();
check_closed_broadcast!(nodes[2], false);
check_added_monitors!(nodes[2], 1);
let tx = {
macro_rules! check_spendable_outputs {
($node: expr, $der_idx: expr, $keysinterface: expr, $chan_value: expr) => {
{
- let events = $node.chain_monitor.chain_monitor.get_and_clear_pending_events();
+ let mut events = $node.chain_monitor.chain_monitor.get_and_clear_pending_events();
let mut txn = Vec::new();
- for event in events {
+ let mut all_outputs = Vec::new();
+ let secp_ctx = Secp256k1::new();
+ for event in events.drain(..) {
match event {
- Event::SpendableOutputs { ref outputs } => {
- for outp in outputs {
- match *outp {
- SpendableOutputDescriptor::StaticOutputCounterpartyPayment { ref outpoint, ref output, ref key_derivation_params } => {
- let input = TxIn {
- previous_output: outpoint.into_bitcoin_outpoint(),
- script_sig: Script::new(),
- sequence: 0,
- witness: Vec::new(),
- };
- let outp = TxOut {
- script_pubkey: Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(),
- value: output.value,
- };
- let mut spend_tx = Transaction {
- version: 2,
- lock_time: 0,
- input: vec![input],
- output: vec![outp],
- };
- spend_tx.output[0].value -= (spend_tx.get_weight() + 2 + 1 + 73 + 35 + 3) as u64 / 4; // (Max weight + 3 (to round up)) / 4
- let secp_ctx = Secp256k1::new();
- let keys = $keysinterface.derive_channel_keys($chan_value, key_derivation_params.0, key_derivation_params.1);
- let remotepubkey = keys.pubkeys().payment_point;
- let witness_script = Address::p2pkh(&::bitcoin::PublicKey{compressed: true, key: remotepubkey}, Network::Testnet).script_pubkey();
- let sighash = Message::from_slice(&bip143::SigHashCache::new(&spend_tx).signature_hash(0, &witness_script, output.value, SigHashType::All)[..]).unwrap();
- let remotesig = secp_ctx.sign(&sighash, &keys.inner.payment_key);
- spend_tx.input[0].witness.push(remotesig.serialize_der().to_vec());
- spend_tx.input[0].witness[0].push(SigHashType::All as u8);
- spend_tx.input[0].witness.push(remotepubkey.serialize().to_vec());
- txn.push(spend_tx);
- },
- SpendableOutputDescriptor::DynamicOutputP2WSH { ref outpoint, ref per_commitment_point, ref to_self_delay, ref output, ref key_derivation_params, ref revocation_pubkey } => {
- let input = TxIn {
- previous_output: outpoint.into_bitcoin_outpoint(),
- script_sig: Script::new(),
- sequence: *to_self_delay as u32,
- witness: Vec::new(),
- };
- let outp = TxOut {
- script_pubkey: Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(),
- value: output.value,
- };
- let mut spend_tx = Transaction {
- version: 2,
- lock_time: 0,
- input: vec![input],
- output: vec![outp],
- };
- let secp_ctx = Secp256k1::new();
- let keys = $keysinterface.derive_channel_keys($chan_value, key_derivation_params.0, key_derivation_params.1);
- if let Ok(delayed_payment_key) = chan_utils::derive_private_key(&secp_ctx, &per_commitment_point, &keys.inner.delayed_payment_base_key) {
-
- let delayed_payment_pubkey = PublicKey::from_secret_key(&secp_ctx, &delayed_payment_key);
- let witness_script = chan_utils::get_revokeable_redeemscript(revocation_pubkey, *to_self_delay, &delayed_payment_pubkey);
- spend_tx.output[0].value -= (spend_tx.get_weight() + 2 + 1 + 73 + 1 + witness_script.len() + 1 + 3) as u64 / 4; // (Max weight + 3 (to round up)) / 4
- let sighash = Message::from_slice(&bip143::SigHashCache::new(&spend_tx).signature_hash(0, &witness_script, output.value, SigHashType::All)[..]).unwrap();
- let local_delayedsig = secp_ctx.sign(&sighash, &delayed_payment_key);
- spend_tx.input[0].witness.push(local_delayedsig.serialize_der().to_vec());
- spend_tx.input[0].witness[0].push(SigHashType::All as u8);
- spend_tx.input[0].witness.push(vec!()); //MINIMALIF
- spend_tx.input[0].witness.push(witness_script.clone().into_bytes());
- } else { panic!() }
- txn.push(spend_tx);
- },
- SpendableOutputDescriptor::StaticOutput { ref outpoint, ref output } => {
- let secp_ctx = Secp256k1::new();
- let input = TxIn {
- previous_output: outpoint.into_bitcoin_outpoint(),
- script_sig: Script::new(),
- sequence: 0,
- witness: Vec::new(),
- };
- let outp = TxOut {
- script_pubkey: Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(),
- value: output.value,
- };
- let mut spend_tx = Transaction {
- version: 2,
- lock_time: 0,
- input: vec![input],
- output: vec![outp.clone()],
- };
- spend_tx.output[0].value -= (spend_tx.get_weight() + 2 + 1 + 73 + 35 + 3) as u64 / 4; // (Max weight + 3 (to round up)) / 4
- let secret = {
- match ExtendedPrivKey::new_master(Network::Testnet, &$node.node_seed) {
- Ok(master_key) => {
- match master_key.ckd_priv(&secp_ctx, ChildNumber::from_hardened_idx($der_idx).expect("key space exhausted")) {
- Ok(key) => key,
- Err(_) => panic!("Your RNG is busted"),
- }
- }
- Err(_) => panic!("Your rng is busted"),
- }
- };
- let pubkey = ExtendedPubKey::from_private(&secp_ctx, &secret).public_key;
- let witness_script = Address::p2pkh(&pubkey, Network::Testnet).script_pubkey();
- let sighash = Message::from_slice(&bip143::SigHashCache::new(&spend_tx).signature_hash(0, &witness_script, output.value, SigHashType::All)[..]).unwrap();
- let sig = secp_ctx.sign(&sighash, &secret.private_key.key);
- spend_tx.input[0].witness.push(sig.serialize_der().to_vec());
- spend_tx.input[0].witness[0].push(SigHashType::All as u8);
- spend_tx.input[0].witness.push(pubkey.key.serialize().to_vec());
- txn.push(spend_tx);
- },
- }
+ Event::SpendableOutputs { mut outputs } => {
+ for outp in outputs.drain(..) {
+ let mut outputs = vec![outp];
+ txn.push($keysinterface.backing.spend_spendable_outputs(&outputs, Vec::new(), Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), 253, &secp_ctx).unwrap());
+ all_outputs.push(outputs.pop().unwrap());
}
},
_ => panic!("Unexpected event"),
};
}
+ if all_outputs.len() > 1 {
+ if let Ok(tx) = $keysinterface.backing.spend_spendable_outputs(&all_outputs, Vec::new(), Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), 253, &secp_ctx) {
+ txn.push(tx);
+ }
+ }
txn
}
}
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, InitFeatures::known(), InitFeatures::known());
- nodes[1].node.force_close_channel(&chan.2);
+ nodes[1].node.force_close_channel(&chan.2).unwrap();
check_closed_broadcast!(nodes[1], false);
check_added_monitors!(nodes[1], 1);
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, InitFeatures::known(), InitFeatures::known());
- nodes[0].node.force_close_channel(&chan.2);
+ nodes[0].node.force_close_channel(&chan.2).unwrap();
check_closed_broadcast!(nodes[0], false);
check_added_monitors!(nodes[0], 1);
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1, 1, true, header.block_hash());
let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
- assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn.len(), 3);
check_spends!(spend_txn[0], revoked_local_txn[0]); // to_remote output on revoked remote commitment_tx
check_spends!(spend_txn[1], node_txn[0]);
+ check_spends!(spend_txn[2], revoked_local_txn[0], node_txn[0]); // Both outputs
}
#[test]
expect_payment_failed!(nodes[1], our_payment_hash, true);
let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
- assert_eq!(spend_txn.len(), 2); // SpendableOutput: remote_commitment_tx.to_remote, timeout_tx.output
+ assert_eq!(spend_txn.len(), 3); // SpendableOutput: remote_commitment_tx.to_remote, timeout_tx.output
+ check_spends!(spend_txn[0], commitment_tx[0]);
check_spends!(spend_txn[1], node_txn[0]);
+ check_spends!(spend_txn[2], node_txn[0], commitment_tx[0]); // All outputs
}
#[test]
// Check A's ChannelMonitor was able to generate the right spendable output descriptor
let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 100000);
- assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn.len(), 3);
assert_eq!(spend_txn[0].input.len(), 1);
check_spends!(spend_txn[0], revoked_local_txn[0]); // spending to_remote output from revoked local tx
assert_ne!(spend_txn[0].input[0].previous_output, revoked_htlc_txn[0].input[0].previous_output);
check_spends!(spend_txn[1], node_txn[1]); // spending justice tx output on the htlc success tx
+ check_spends!(spend_txn[2], revoked_local_txn[0], node_txn[1]); // Both outputs
}
#[test]
let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
let local_txn = get_local_commitment_txn!(nodes[1], chan_1.2);
+ assert_eq!(local_txn.len(), 1);
assert_eq!(local_txn[0].input.len(), 1);
check_spends!(local_txn[0], chan_1.3);
}
let node_txn = {
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 3);
+ assert_eq!(node_txn[0], node_txn[2]);
+ assert_eq!(node_txn[1], local_txn[0]);
assert_eq!(node_txn[0].input.len(), 1);
assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT);
check_spends!(node_txn[0], local_txn[0]);
- vec![node_txn[0].clone(), node_txn[2].clone()]
+ vec![node_txn[0].clone()]
};
let header_201 = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
// Verify that B is able to spend its own HTLC-Success tx thanks to spendable output event given back by its ChannelMonitor
let spend_txn = check_spendable_outputs!(nodes[1], 1, node_cfgs[1].keys_manager, 100000);
- assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
- check_spends!(spend_txn[1], node_txn[1]);
}
fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, announce_latest: bool) {
// Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor
let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 100000);
- assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn.len(), 3);
check_spends!(spend_txn[0], local_txn[0]);
check_spends!(spend_txn[1], htlc_timeout);
+ check_spends!(spend_txn[2], local_txn[0], htlc_timeout);
}
#[test]
// Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor
let new_keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
let spend_txn = check_spendable_outputs!(nodes[0], 1, new_keys_manager, 100000);
- assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn.len(), 3);
check_spends!(spend_txn[0], local_txn_1[0]);
check_spends!(spend_txn[1], htlc_timeout);
+ check_spends!(spend_txn[2], local_txn_1[0], htlc_timeout);
}
#[test]
let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42};
connect_block(&nodes[0], &Block { header, txdata: vec![node_txn[0].clone()]}, 0);
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1, 0, true, header.block_hash());
- let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 100000);
+ let spend_txn = check_spendable_outputs!(nodes[0], 1, node_cfgs[0].keys_manager, 1000000);
assert_eq!(spend_txn.len(), 1);
check_spends!(spend_txn[0], node_txn[0]);
}
// responds by (1) broadcasting a channel update and (2) adding a new ChannelMonitor.
let mut force_closing_node = 0; // Alice force-closes
if !broadcast_alice { force_closing_node = 1; } // Bob force-closes
- nodes[force_closing_node].node.force_close_channel(&chan_ab.2);
+ nodes[force_closing_node].node.force_close_channel(&chan_ab.2).unwrap();
check_closed_broadcast!(nodes[force_closing_node], false);
check_added_monitors!(nodes[force_closing_node], 1);
if go_onchain_before_fulfill {
update_nodes_with_chan_announce(&nodes, 0, 1, &announcement, &as_update, &bs_update);
send_payment(&nodes[0], &[&nodes[1]], 8000000, 8_000_000);
}
+
+#[test]
+fn test_error_chans_closed() {
+ // Test that we properly handle error messages, closing appropriate channels.
+ //
+ // Prior to #787 we'd allow a peer to make us force-close a channel we had with a different
+ // peer. The "real" fix for that is to index channels with peers_ids, however in the mean time
+ // we can test various edge cases around it to ensure we don't regress.
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 10001, InitFeatures::known(), InitFeatures::known());
+ let chan_2 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 10001, InitFeatures::known(), InitFeatures::known());
+ let chan_3 = create_announced_chan_between_nodes_with_value(&nodes, 0, 2, 100000, 10001, InitFeatures::known(), InitFeatures::known());
+
+ assert_eq!(nodes[0].node.list_usable_channels().len(), 3);
+ assert_eq!(nodes[1].node.list_usable_channels().len(), 2);
+ assert_eq!(nodes[2].node.list_usable_channels().len(), 1);
+
+ // Closing a channel from a different peer has no effect
+ nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id: chan_3.2, data: "ERR".to_owned() });
+ assert_eq!(nodes[0].node.list_usable_channels().len(), 3);
+
+ // Closing one channel doesn't impact others
+ nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id: chan_2.2, data: "ERR".to_owned() });
+ check_added_monitors!(nodes[0], 1);
+ check_closed_broadcast!(nodes[0], false);
+ assert_eq!(nodes[0].node.list_usable_channels().len(), 2);
+ assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_1.2 || nodes[0].node.list_usable_channels()[1].channel_id == chan_1.2);
+ assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_3.2 || nodes[0].node.list_usable_channels()[1].channel_id == chan_3.2);
+
+ // A null channel ID should close all channels
+ let _chan_4 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 10001, InitFeatures::known(), InitFeatures::known());
+ nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id: [0; 32], data: "ERR".to_owned() });
+ check_added_monitors!(nodes[0], 2);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 2);
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
+ assert_eq!(msg.contents.flags & 2, 2);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
+ assert_eq!(msg.contents.flags & 2, 2);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ // Note that at this point users of a standard PeerHandler will end up calling
+ // peer_disconnected with no_connection_possible set to false, duplicating the
+ // close-all-channels logic. That's OK, we don't want to end up not force-closing channels for
+ // users with their own peer handling logic. We duplicate the call here, however.
+ assert_eq!(nodes[0].node.list_usable_channels().len(), 1);
+ assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_3.2);
+
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), true);
+ assert_eq!(nodes[0].node.list_usable_channels().len(), 1);
+ assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_3.2);
+}
projects / rust-lightning / blobdiff