use bitcoin::blockdata::transaction::Transaction;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
-use bitcoin::network::serialize::BitcoinHash;
-use bitcoin::util::hash::Sha256dHash;
+use bitcoin::util::hash::{BitcoinHash, Sha256dHash};
use secp256k1::key::{SecretKey,PublicKey};
use secp256k1::{Secp256k1,Message};
use chain::chaininterface;
use chain::transaction::OutPoint;
use chain::chaininterface::{ChainListener, ChainWatchInterface};
- use chain::keysinterface::KeysInterface;
+ use chain::keysinterface::{KeysInterface, SpendableOutputDescriptor};
use chain::keysinterface;
use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
use ln::channelmanager::{ChannelManager,ChannelManagerReadArgs,OnionKeys,PaymentFailReason,RAACommitmentOrder};
use util::ser::{Writeable, Writer, ReadableArgs};
use util::config::UserConfig;
- use bitcoin::util::hash::Sha256dHash;
+ use bitcoin::util::hash::{BitcoinHash, Sha256dHash};
+ 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};
+ use bitcoin::blockdata::transaction::{Transaction, TxOut, TxIn, SigHashType};
+ use bitcoin::blockdata::script::{Builder, Script};
+ use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::constants::genesis_block;
use bitcoin::network::constants::Network;
- use bitcoin::network::serialize::serialize;
- use bitcoin::network::serialize::BitcoinHash;
use hex;
tx = Transaction { version: chan_id as u32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
value: *channel_value_satoshis, script_pubkey: output_script.clone(),
}]};
- funding_output = OutPoint::new(Sha256dHash::from_data(&serialize(&tx).unwrap()[..]), 0);
+ funding_output = OutPoint::new(tx.txid(), 0);
node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap();
}
}
- fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate) {
+ fn close_channel(outbound_node: &Node, inbound_node: &Node, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, Transaction) {
let (node_a, broadcaster_a, struct_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) } else { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) };
let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
let (tx_a, tx_b);
assert_eq!(tx_a, tx_b);
check_spends!(tx_a, funding_tx);
- (as_update, bs_update)
+ (as_update, bs_update, tx_a)
}
struct SendEvent {
/// pending_htlc_adds includes both the holding cell and in-flight update_add_htlcs, whereas
/// for claims/fails they are separated out.
- fn reconnect_nodes(node_a: &Node, node_b: &Node, pre_all_htlcs: bool, pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
+ fn reconnect_nodes(node_a: &Node, node_b: &Node, send_funding_locked: (bool, bool), pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
node_a.node.peer_connected(&node_b.node.get_our_node_id());
let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
node_b.node.peer_connected(&node_a.node.get_our_node_id());
(pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
for chan_msgs in resp_1.drain(..) {
- if pre_all_htlcs {
+ if send_funding_locked.0 {
node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap()).unwrap();
let announcement_event = node_a.node.get_and_clear_pending_msg_events();
if !announcement_event.is_empty() {
}
for chan_msgs in resp_2.drain(..) {
- if pre_all_htlcs {
+ if send_funding_locked.1 {
node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap()).unwrap();
let announcement_event = node_b.node.get_and_clear_pending_msg_events();
if !announcement_event.is_empty() {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
let payment_preimage_1 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).0;
let payment_hash_2 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).1;
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
let payment_preimage_3 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).0;
let payment_preimage_4 = route_payment(&nodes[0], &vec!(&nodes[1], &nodes[2])[..], 1000000).0;
claim_payment_along_route(&nodes[0], &vec!(&nodes[1], &nodes[2]), true, payment_preimage_3);
fail_payment_along_route(&nodes[0], &[&nodes[1], &nodes[2]], true, payment_hash_5);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (1, 0), (1, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (1, 0), (1, 0), (false, false));
{
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 2);
if messages_delivered < 3 {
// Even if the funding_locked messages get exchanged, as long as nothing further was
// received on either side, both sides will need to resend them.
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 1), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 1), (0, 0), (0, 0), (0, 0), (false, false));
} else if messages_delivered == 3 {
// nodes[0] still wants its RAA + commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (-1, 0), (0, 0), (0, 0), (0, 0), (true, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (-1, 0), (0, 0), (0, 0), (0, 0), (true, false));
} else if messages_delivered == 4 {
// nodes[0] still wants its commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (-1, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (-1, 0), (0, 0), (0, 0), (0, 0), (false, false));
} else if messages_delivered == 5 {
// nodes[1] still wants its final RAA
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, true));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, true));
} else if messages_delivered == 6 {
// Everything was delivered...
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
let events_1 = nodes[1].node.get_and_clear_pending_events();
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
nodes[1].node.channel_state.lock().unwrap().next_forward = Instant::now();
nodes[1].node.process_pending_htlc_forwards();
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
if messages_delivered < 2 {
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
//TODO: Deduplicate PaymentSent events, then enable this if:
//if messages_delivered < 1 {
let events_4 = nodes[0].node.get_and_clear_pending_events();
//}
} else if messages_delivered == 2 {
// nodes[0] still wants its RAA + commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, -1), (0, 0), (0, 0), (0, 0), (false, true));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, -1), (0, 0), (0, 0), (0, 0), (false, true));
} else if messages_delivered == 3 {
// nodes[0] still wants its commitment_signed
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, -1), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, -1), (0, 0), (0, 0), (0, 0), (false, false));
} else if messages_delivered == 4 {
// nodes[1] still wants its final RAA
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (true, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (true, false));
} else if messages_delivered == 5 {
// Everything was delivered...
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
// Channel should still work fine...
let payment_preimage_2 = send_along_route(&nodes[0], route, &[&nodes[1]], 1000000).0;
_ => panic!("Unexpected event"),
}
+ reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+ nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
+
confirm_transaction(&nodes[1].chain_monitor, &tx, tx.version);
let events_2 = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(events_2.len(), 1);
+ assert_eq!(events_2.len(), 2);
match events_2[0] {
MessageSendEvent::SendFundingLocked { ref node_id, msg: _ } => {
assert_eq!(*node_id, nodes[0].node.get_our_node_id());
},
_ => panic!("Unexpected event"),
}
+ match events_2[1] {
+ MessageSendEvent::SendAnnouncementSignatures { ref node_id, msg: _ } => {
+ assert_eq!(*node_id, nodes[0].node.get_our_node_id());
+ },
+ _ => panic!("Unexpected event"),
+ }
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
- nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
- nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
// TODO: We shouldn't need to manually pass list_usable_chanels here once we support
// rebroadcasting announcement_signatures upon reconnect.
if disconnect {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], true, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
*nodes[0].chan_monitor.update_ret.lock().unwrap() = Ok(());
if disconnect {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
// ...and make sure we can force-close a TemporaryFailure channel with a PermanentFailure
nodes[0].node = Arc::new(nodes_0_deserialized);
check_added_monitors!(nodes[0], 1);
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
fail_payment(&nodes[0], &[&nodes[1]], our_payment_hash);
claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage);
nodes[0].node = Arc::new(nodes_0_deserialized);
// nodes[1] and nodes[2] have no lost state with nodes[0]...
- reconnect_nodes(&nodes[0], &nodes[1], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
- reconnect_nodes(&nodes[0], &nodes[2], false, (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
//... and we can even still claim the payment!
claim_payment(&nodes[2], &[&nodes[0], &nodes[1]], our_payment_preimage);
assert_eq!(msg.channel_id, channel_id);
} else { panic!("Unexpected result"); }
}
+
+ macro_rules! check_dynamic_output_p2wsh {
+ ($node: expr) => {
+ {
+ let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let mut txn = Vec::new();
+ for event in events {
+ match event {
+ Event::SpendableOutputs { ref outputs } => {
+ for outp in outputs {
+ match *outp {
+ SpendableOutputDescriptor::DynamicOutputP2WSH { ref outpoint, ref key, ref witness_script, ref to_self_delay, ref output } => {
+ let input = TxIn {
+ previous_output: outpoint.clone(),
+ script_sig: Script::new(),
+ sequence: *to_self_delay as u32,
+ witness: Vec::new(),
+ };
+ let outp = TxOut {
+ script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
+ value: output.value,
+ };
+ let mut spend_tx = Transaction {
+ version: 2,
+ lock_time: 0,
+ input: vec![input],
+ output: vec![outp],
+ };
+ let secp_ctx = Secp256k1::new();
+ let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], witness_script, output.value)[..]).unwrap();
+ let local_delaysig = secp_ctx.sign(&sighash, key);
+ spend_tx.input[0].witness.push(local_delaysig.serialize_der(&secp_ctx).to_vec());
+ spend_tx.input[0].witness[0].push(SigHashType::All as u8);
+ spend_tx.input[0].witness.push(vec!(0));
+ spend_tx.input[0].witness.push(witness_script.clone().into_bytes());
+ txn.push(spend_tx);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+ },
+ _ => panic!("Unexpected event"),
+ };
+ }
+ txn
+ }
+ }
+ }
+
+ macro_rules! check_dynamic_output_p2wpkh {
+ ($node: expr) => {
+ {
+ let events = $node.chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let mut txn = Vec::new();
+ for event in events {
+ match event {
+ Event::SpendableOutputs { ref outputs } => {
+ for outp in outputs {
+ match *outp {
+ SpendableOutputDescriptor::DynamicOutputP2WPKH { ref outpoint, ref key, ref output } => {
+ let input = TxIn {
+ previous_output: outpoint.clone(),
+ script_sig: Script::new(),
+ sequence: 0,
+ witness: Vec::new(),
+ };
+ let outp = TxOut {
+ script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
+ value: output.value,
+ };
+ let mut spend_tx = Transaction {
+ version: 2,
+ lock_time: 0,
+ input: vec![input],
+ output: vec![outp],
+ };
+ let secp_ctx = Secp256k1::new();
+ let remotepubkey = PublicKey::from_secret_key(&secp_ctx, &key);
+ let witness_script = Address::p2pkh(&remotepubkey, Network::Testnet).script_pubkey();
+ let sighash = Message::from_slice(&bip143::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap();
+ let remotesig = secp_ctx.sign(&sighash, key);
+ spend_tx.input[0].witness.push(remotesig.serialize_der(&secp_ctx).to_vec());
+ spend_tx.input[0].witness[0].push(SigHashType::All as u8);
+ spend_tx.input[0].witness.push(remotepubkey.serialize().to_vec());
+ txn.push(spend_tx);
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+ },
+ _ => panic!("Unexpected event"),
+ };
+ }
+ txn
+ }
+ }
+ }
+
+ macro_rules! check_static_output {
+ ($event: expr, $node: expr, $event_idx: expr, $output_idx: expr, $der_idx: expr, $idx_node: expr) => {
+ match $event[$event_idx] {
+ Event::SpendableOutputs { ref outputs } => {
+ match outputs[$output_idx] {
+ SpendableOutputDescriptor::StaticOutput { ref outpoint, ref output } => {
+ let secp_ctx = Secp256k1::new();
+ let input = TxIn {
+ previous_output: outpoint.clone(),
+ script_sig: Script::new(),
+ sequence: 0,
+ witness: Vec::new(),
+ };
+ let outp = TxOut {
+ script_pubkey: Builder::new().push_opcode(opcodes::All::OP_RETURN).into_script(),
+ value: output.value,
+ };
+ let mut spend_tx = Transaction {
+ version: 2,
+ lock_time: 0,
+ input: vec![input],
+ output: vec![outp.clone()],
+ };
+ let secret = {
+ match ExtendedPrivKey::new_master(&secp_ctx, Network::Testnet, &$node[$idx_node].node_seed) {
+ Ok(master_key) => {
+ match master_key.ckd_priv(&secp_ctx, ChildNumber::from_hardened_idx($der_idx)) {
+ 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::SighashComponents::new(&spend_tx).sighash_all(&spend_tx.input[0], &witness_script, output.value)[..]).unwrap();
+ let sig = secp_ctx.sign(&sighash, &secret.secret_key);
+ spend_tx.input[0].witness.push(sig.serialize_der(&secp_ctx).to_vec());
+ spend_tx.input[0].witness[0].push(SigHashType::All as u8);
+ spend_tx.input[0].witness.push(pubkey.serialize().to_vec());
+ spend_tx
+ },
+ _ => panic!("Unexpected event !"),
+ }
+ },
+ _ => panic!("Unexpected event !"),
+ };
+ }
+ }
+
+ #[test]
+ fn test_claim_sizeable_push_msat() {
+ // Incidentally test SpendableOutput event generation due to detection of to_local output on commitment tx
+ let nodes = create_network(2);
+
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000);
+ nodes[1].node.force_close_channel(&chan.2);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ check_spends!(node_txn[0], chan.3.clone());
+ assert_eq!(node_txn[0].output.len(), 2); // We can't force trimming of to_remote output as channel_reserve_satoshis block us to do so at channel opening
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![node_txn[0].clone()] }, 0);
+ let spend_txn = check_dynamic_output_p2wsh!(nodes[1]);
+ assert_eq!(spend_txn.len(), 1);
+ check_spends!(spend_txn[0], node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_claim_on_remote_sizeable_push_msat() {
+ // Same test as precedent, just test on remote commitment tx, as per_commitment_point registration changes following you're funder/fundee and
+ // to_remote output is encumbered by a P2WPKH
+
+ let nodes = create_network(2);
+
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000);
+ nodes[0].node.force_close_channel(&chan.2);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ check_spends!(node_txn[0], chan.3.clone());
+ assert_eq!(node_txn[0].output.len(), 2); // We can't force trimming of to_remote output as channel_reserve_satoshis block us to do so at channel opening
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![node_txn[0].clone()] }, 0);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let spend_txn = check_dynamic_output_p2wpkh!(nodes[1]);
+ assert_eq!(spend_txn.len(), 2);
+ assert_eq!(spend_txn[0], spend_txn[1]);
+ check_spends!(spend_txn[0], node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_preimage_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+
+ let commitment_tx = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(commitment_tx[0].input.len(), 1);
+ assert_eq!(commitment_tx[0].input[0].previous_output.txid, chan_1.3.txid());
+
+ // Settle A's commitment tx on B's chain
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ assert!(nodes[1].node.claim_funds(payment_preimage));
+ check_added_monitors!(nodes[1], 1);
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![commitment_tx[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexepected event"),
+ }
+
+ // Check B's monitor was able to send back output descriptor event for preimage tx on A's commitment tx
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap(); // ChannelManager : 1 (local commitment tx), ChannelMonitor: 2 (1 preimage tx) * 2 (block-rescan)
+ check_spends!(node_txn[0], commitment_tx[0].clone());
+ assert_eq!(node_txn[0], node_txn[2]);
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 133);
+ check_spends!(node_txn[1], chan_1.3.clone());
+
+ let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let spend_tx = check_static_output!(events, nodes, 0, 0, 1, 1);
+ check_spends!(spend_tx, node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_justice_tx_revoked_commitment_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.iter().next().unwrap().1.last_local_commitment_txn.clone();
+ assert_eq!(revoked_local_txn[0].input.len(), 1);
+ assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, chan_1.3.txid());
+
+ claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage);
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let mut node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 3);
+ assert_eq!(node_txn.pop().unwrap(), node_txn[0]);
+ assert_eq!(node_txn[0].input.len(), 2);
+ check_spends!(node_txn[0], revoked_local_txn[0].clone());
+
+ let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let spend_tx = check_static_output!(events, nodes, 0, 0, 1, 1);
+ check_spends!(spend_tx, node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ let revoked_local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(revoked_local_txn[0].input.len(), 1);
+ assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, chan_1.3.txid());
+
+ claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage);
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ // A will generate HTLC-Timeout from revoked commitment tx
+ nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let revoked_htlc_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(revoked_htlc_txn.len(), 2);
+ assert_eq!(revoked_htlc_txn[0].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), 133);
+ check_spends!(revoked_htlc_txn[0], revoked_local_txn[0].clone());
+
+ // B will generate justice tx from A's revoked commitment/HTLC tx
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 4);
+ assert_eq!(node_txn[3].input.len(), 1);
+ check_spends!(node_txn[3], revoked_htlc_txn[0].clone());
+
+ let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
+ // Check B's ChannelMonitor was able to generate the right spendable output descriptor
+ let spend_tx = check_static_output!(events, nodes, 1, 1, 1, 1);
+ check_spends!(spend_tx, node_txn[3].clone());
+ }
+
+ #[test]
+ fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 3000000).0;
+ let revoked_local_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(revoked_local_txn[0].input.len(), 1);
+ assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, chan_1.3.txid());
+
+ claim_payment(&nodes[0], &vec!(&nodes[1])[..], payment_preimage);
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ // B will generate HTLC-Success from revoked commitment tx
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ let revoked_htlc_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+
+ assert_eq!(revoked_htlc_txn.len(), 2);
+ assert_eq!(revoked_htlc_txn[0].input.len(), 1);
+ assert_eq!(revoked_htlc_txn[0].input[0].witness.last().unwrap().len(), 138);
+ check_spends!(revoked_htlc_txn[0], revoked_local_txn[0].clone());
+
+ // A will generate justice tx from B's revoked commitment/HTLC tx
+ nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![revoked_local_txn[0].clone(), revoked_htlc_txn[0].clone()] }, 1);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 4);
+ assert_eq!(node_txn[3].input.len(), 1);
+ check_spends!(node_txn[3], revoked_htlc_txn[0].clone());
+
+ let events = nodes[0].chan_monitor.simple_monitor.get_and_clear_pending_events();
+ // Check A's ChannelMonitor was able to generate the right spendable output descriptor
+ let spend_tx = check_static_output!(events, nodes, 1, 2, 1, 0);
+ check_spends!(spend_tx, node_txn[3].clone());
+ }
+
+ #[test]
+ fn test_dynamic_spendable_outputs_local_htlc_success_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let payment_preimage = route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
+ let local_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(local_txn[0].input.len(), 1);
+ check_spends!(local_txn[0], chan_1.3.clone());
+
+ // Give B knowledge of preimage to be able to generate a local HTLC-Success Tx
+ nodes[1].node.claim_funds(payment_preimage);
+ check_added_monitors!(nodes[1], 1);
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![local_txn[0].clone()] }, 1);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { .. } => {},
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexepected event"),
+ }
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 138);
+ check_spends!(node_txn[0], local_txn[0].clone());
+
+ // 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_dynamic_output_p2wsh!(nodes[1]);
+ assert_eq!(spend_txn.len(), 1);
+ check_spends!(spend_txn[0], node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() {
+ let nodes = create_network(2);
+
+ // Create some initial channels
+ let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ route_payment(&nodes[0], &vec!(&nodes[1])[..], 9000000).0;
+ let local_txn = nodes[0].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+ assert_eq!(local_txn[0].input.len(), 1);
+ check_spends!(local_txn[0], chan_1.3.clone());
+
+ // Timeout HTLC on A's chain and so it can generate a HTLC-Timeout tx
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![local_txn[0].clone()] }, 200);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ match events[0] {
+ MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+ _ => panic!("Unexepected event"),
+ }
+ let node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn[0].input.len(), 1);
+ assert_eq!(node_txn[0].input[0].witness.last().unwrap().len(), 133);
+ check_spends!(node_txn[0], local_txn[0].clone());
+
+ // 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_dynamic_output_p2wsh!(nodes[0]);
+ assert_eq!(spend_txn.len(), 4);
+ assert_eq!(spend_txn[0], spend_txn[2]);
+ assert_eq!(spend_txn[1], spend_txn[3]);
+ check_spends!(spend_txn[0], local_txn[0].clone());
+ check_spends!(spend_txn[1], node_txn[0].clone());
+ }
+
+ #[test]
+ fn test_static_output_closing_tx() {
+ let nodes = create_network(2);
+
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000);
+ let closing_tx = close_channel(&nodes[0], &nodes[1], &chan.2, chan.3, true).2;
+
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![closing_tx.clone()] }, 1);
+ let events = nodes[0].chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let spend_tx = check_static_output!(events, nodes, 0, 0, 2, 0);
+ check_spends!(spend_tx, closing_tx.clone());
+
+ nodes[1].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![closing_tx.clone()] }, 1);
+ let events = nodes[1].chan_monitor.simple_monitor.get_and_clear_pending_events();
+ let spend_tx = check_static_output!(events, nodes, 0, 0, 2, 1);
+ check_spends!(spend_tx, closing_tx);
+ }
}
projects / rust-lightning / blobdiff