//! Further functional tests which test blockchain reorganizations.
-use crate::sign::{EcdsaChannelSigner, SpendableOutputDescriptor};
+use crate::sign::{ecdsa::EcdsaChannelSigner, SpendableOutputDescriptor};
use crate::chain::channelmonitor::{ANTI_REORG_DELAY, LATENCY_GRACE_PERIOD_BLOCKS, Balance};
use crate::chain::transaction::OutPoint;
use crate::chain::chaininterface::{LowerBoundedFeeEstimator, compute_feerate_sat_per_1000_weight};
use crate::events::bump_transaction::{BumpTransactionEvent, WalletSource};
use crate::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason, HTLCDestination};
-use crate::ln::channel;
+use crate::ln::{channel, ChannelId};
use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, PaymentId, RecipientOnionFields};
use crate::ln::msgs::ChannelMessageHandler;
use crate::util::config::UserConfig;
-use crate::util::crypto::sign;
+use crate::crypto::utils::sign;
use crate::util::ser::Writeable;
use crate::util::scid_utils::block_from_scid;
use crate::util::test_utils;
-use bitcoin::blockdata::transaction::EcdsaSighashType;
+use bitcoin::{Amount, PublicKey, ScriptBuf, Transaction, TxIn, TxOut, Witness};
+use bitcoin::blockdata::locktime::absolute::LockTime;
use bitcoin::blockdata::script::Builder;
use bitcoin::blockdata::opcodes;
+use bitcoin::hashes::hex::FromHex;
use bitcoin::secp256k1::{Secp256k1, SecretKey};
-use bitcoin::{Amount, PublicKey, Script, Transaction, TxIn, TxOut, PackedLockTime, Witness};
-use bitcoin::util::sighash::SighashCache;
+use bitcoin::sighash::{SighashCache, EcdsaSighashType};
use crate::prelude::*;
expect_payment_failed!(nodes[1], payment_hash_1, false);
}
+#[test]
+fn archive_fully_resolved_monitors() {
+ // Test we can archive fully resolved channel monitor.
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let mut user_config = test_default_channel_config();
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[Some(user_config), Some(user_config)]);
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ let (_, _, chan_id, funding_tx) =
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 1_000_000);
+
+ nodes[0].node.close_channel(&chan_id, &nodes[1].node.get_our_node_id()).unwrap();
+ let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
+
+ let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
+ let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_closing_signed(&nodes[1].node.get_our_node_id(), &node_1_closing_signed);
+ let (_, node_0_2nd_closing_signed) = get_closing_signed_broadcast!(nodes[0].node, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_2nd_closing_signed.unwrap());
+ let (_, _) = get_closing_signed_broadcast!(nodes[1].node, nodes[0].node.get_our_node_id());
+
+ let shutdown_tx = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
+
+ mine_transaction(&nodes[0], &shutdown_tx[0]);
+ mine_transaction(&nodes[1], &shutdown_tx[0]);
+
+ connect_blocks(&nodes[0], 6);
+ connect_blocks(&nodes[1], 6);
+
+ check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
+ check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
+
+ assert_eq!(nodes[0].chain_monitor.chain_monitor.list_monitors().len(), 1);
+ // First archive should set balances_empty_height to current block height
+ nodes[0].chain_monitor.chain_monitor.archive_fully_resolved_channel_monitors();
+ assert_eq!(nodes[0].chain_monitor.chain_monitor.list_monitors().len(), 1);
+ connect_blocks(&nodes[0], 4032);
+ // Second call after 4032 blocks, should archive the monitor
+ nodes[0].chain_monitor.chain_monitor.archive_fully_resolved_channel_monitors();
+ // Should have no monitors left
+ assert_eq!(nodes[0].chain_monitor.chain_monitor.list_monitors().len(), 0);
+ // Remove the corresponding outputs and transactions the chain source is
+ // watching. This is to make sure the `Drop` function assertions pass.
+ nodes.get_mut(0).unwrap().chain_source.remove_watched_txn_and_outputs(
+ OutPoint { txid: funding_tx.txid(), index: 0 },
+ funding_tx.output[0].script_pubkey.clone()
+ );
+}
+
fn do_chanmon_claim_value_coop_close(anchors: bool) {
// Tests `get_claimable_balances` returns the correct values across a simple cooperative claim.
// Specifically, this tests that the channel non-HTLC balances show up in
let (_, _, chan_id, funding_tx) =
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 1_000_000);
let funding_outpoint = OutPoint { txid: funding_tx.txid(), index: 0 };
- assert_eq!(funding_outpoint.to_channel_id(), chan_id);
+ assert_eq!(ChannelId::v1_from_funding_outpoint(funding_outpoint), chan_id);
let chan_feerate = get_feerate!(nodes[0], nodes[1], chan_id) as u64;
let channel_type_features = get_channel_type_features!(nodes[0], nodes[1], chan_id);
assert_eq!(shutdown_tx, nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0));
assert_eq!(shutdown_tx.len(), 1);
- let shutdown_tx_conf_height_a = block_from_scid(&mine_transaction(&nodes[0], &shutdown_tx[0]));
- let shutdown_tx_conf_height_b = block_from_scid(&mine_transaction(&nodes[1], &shutdown_tx[0]));
+ let shutdown_tx_conf_height_a = block_from_scid(mine_transaction(&nodes[0], &shutdown_tx[0]));
+ let shutdown_tx_conf_height_b = block_from_scid(mine_transaction(&nodes[1], &shutdown_tx[0]));
assert!(nodes[0].node.list_channels().is_empty());
assert!(nodes[1].node.list_channels().is_empty());
spendable_outputs_b
);
- check_closed_event!(nodes[0], 1, ClosureReason::CooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
- check_closed_event!(nodes[1], 1, ClosureReason::CooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
+ check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 1000000);
+ check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 1000000);
}
#[test]
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![
TxOut {
let (_, _, chan_id, funding_tx) =
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 1_000_000);
let funding_outpoint = OutPoint { txid: funding_tx.txid(), index: 0 };
- assert_eq!(funding_outpoint.to_channel_id(), chan_id);
+ assert_eq!(ChannelId::v1_from_funding_outpoint(funding_outpoint), chan_id);
// This HTLC is immediately claimed, giving node B the preimage
let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 3_000_000);
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![
TxOut {
check_spends!(commitment_tx, funding_tx);
commitment_tx
};
- let commitment_tx_conf_height_a = block_from_scid(&mine_transaction(&nodes[0], &commitment_tx));
- if anchors && nodes[0].connect_style.borrow().updates_best_block_first() {
+ let commitment_tx_conf_height_a = block_from_scid(mine_transaction(&nodes[0], &commitment_tx));
+ if nodes[0].connect_style.borrow().updates_best_block_first() {
let mut txn = nodes[0].tx_broadcaster.txn_broadcast();
assert_eq!(txn.len(), 1);
assert_eq!(txn[0].txid(), commitment_tx.txid());
let (_, _, chan_id, funding_tx) =
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 100_000_000);
let funding_outpoint = OutPoint { txid: funding_tx.txid(), index: 0 };
- assert_eq!(funding_outpoint.to_channel_id(), chan_id);
+ assert_eq!(ChannelId::v1_from_funding_outpoint(funding_outpoint), chan_id);
// We create five HTLCs for B to claim against A's revoked commitment transaction:
//
assert!(failed_payments.is_empty());
if let Event::PendingHTLCsForwardable { .. } = events[0] {} else { panic!(); }
match &events[1] {
- Event::ChannelClosed { reason: ClosureReason::HolderForceClosed, .. } => {},
+ Event::ChannelClosed { reason: ClosureReason::HTLCsTimedOut, .. } => {},
_ => panic!(),
}
connect_blocks(&nodes[1], htlc_cltv_timeout + 1 - 10);
check_closed_broadcast!(nodes[1], true);
check_added_monitors!(nodes[1], 1);
- check_closed_event!(nodes[1], 1, ClosureReason::HolderForceClosed, [nodes[0].node.get_our_node_id()], 1000000);
+ check_closed_event!(nodes[1], 1, ClosureReason::HTLCsTimedOut, [nodes[0].node.get_our_node_id()], 1000000);
// Prior to channel closure, B considers the preimage HTLC as its own, and otherwise only
// lists the two on-chain timeout-able HTLCs as claimable balances.
claim_txn.sort_unstable_by_key(|tx| tx.output.iter().map(|output| output.value).sum::<u64>());
// The following constants were determined experimentally
- const BS_TO_SELF_CLAIM_EXP_WEIGHT: usize = 483;
- let outbound_htlc_claim_exp_weight: usize = if anchors { 574 } else { 571 };
- let inbound_htlc_claim_exp_weight: usize = if anchors { 582 } else { 578 };
+ const BS_TO_SELF_CLAIM_EXP_WEIGHT: u64 = 483;
+ let outbound_htlc_claim_exp_weight: u64 = if anchors { 574 } else { 571 };
+ let inbound_htlc_claim_exp_weight: u64 = if anchors { 582 } else { 578 };
// Check that the weight is close to the expected weight. Note that signature sizes vary
// somewhat so it may not always be exact.
- fuzzy_assert_eq(claim_txn[0].weight(), outbound_htlc_claim_exp_weight);
- fuzzy_assert_eq(claim_txn[1].weight(), inbound_htlc_claim_exp_weight);
- fuzzy_assert_eq(claim_txn[2].weight(), inbound_htlc_claim_exp_weight);
- fuzzy_assert_eq(claim_txn[3].weight(), BS_TO_SELF_CLAIM_EXP_WEIGHT);
+ fuzzy_assert_eq(claim_txn[0].weight().to_wu(), outbound_htlc_claim_exp_weight);
+ fuzzy_assert_eq(claim_txn[1].weight().to_wu(), inbound_htlc_claim_exp_weight);
+ fuzzy_assert_eq(claim_txn[2].weight().to_wu(), inbound_htlc_claim_exp_weight);
+ fuzzy_assert_eq(claim_txn[3].weight().to_wu(), BS_TO_SELF_CLAIM_EXP_WEIGHT);
let commitment_tx_fee = chan_feerate *
(channel::commitment_tx_base_weight(&channel_type_features) + 3 * channel::COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000;
let anchor_outputs_value = if anchors { channel::ANCHOR_OUTPUT_VALUE_SATOSHI * 2 } else { 0 };
- let inbound_htlc_claim_fee = chan_feerate * inbound_htlc_claim_exp_weight as u64 / 1000;
- let outbound_htlc_claim_fee = chan_feerate * outbound_htlc_claim_exp_weight as u64 / 1000;
- let to_self_claim_fee = chan_feerate * claim_txn[3].weight() as u64 / 1000;
+ let inbound_htlc_claim_fee = chan_feerate * inbound_htlc_claim_exp_weight / 1000;
+ let outbound_htlc_claim_fee = chan_feerate * outbound_htlc_claim_exp_weight / 1000;
+ let to_self_claim_fee = chan_feerate * claim_txn[3].weight().to_wu() / 1000;
// The expected balance for the next three checks, with the largest-HTLC and to_self output
// claim balances separated out.
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![
TxOut {
// Create some initial channels
let (_, _, chan_id, funding_tx) =
- create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 11_000_000);
+ create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 12_000_000);
let funding_outpoint = OutPoint { txid: funding_tx.txid(), index: 0 };
- assert_eq!(funding_outpoint.to_channel_id(), chan_id);
+ assert_eq!(ChannelId::v1_from_funding_outpoint(funding_outpoint), chan_id);
let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 3_000_000).0;
let failed_payment_hash = route_payment(&nodes[1], &[&nodes[0]], 1_000_000).1;
assert_eq!(revoked_local_txn[0].input.len(), 1);
assert_eq!(revoked_local_txn[0].input[0].previous_output.txid, funding_tx.txid());
if anchors {
- assert_eq!(revoked_local_txn[0].output[4].value, 10000); // to_self output
+ assert_eq!(revoked_local_txn[0].output[4].value, 11000); // to_self output
} else {
- assert_eq!(revoked_local_txn[0].output[2].value, 10000); // to_self output
+ assert_eq!(revoked_local_txn[0].output[2].value, 11000); // to_self output
}
// The to-be-revoked commitment tx should have two HTLCs, an output for each side, and an
check_spends!(txn[0], revoked_local_txn[0], coinbase_tx);
txn.pop().unwrap()
};
- let revoked_htlc_success_fee = chan_feerate * revoked_htlc_success.weight() as u64 / 1000;
+ let revoked_htlc_success_fee = chan_feerate * revoked_htlc_success.weight().to_wu() / 1000;
connect_blocks(&nodes[1], TEST_FINAL_CLTV);
if anchors {
};
check_spends!(revoked_htlc_timeout, revoked_local_txn[0], coinbase_tx);
assert_ne!(revoked_htlc_success.input[0].previous_output, revoked_htlc_timeout.input[0].previous_output);
- assert_eq!(revoked_htlc_success.lock_time.0, 0);
- assert_ne!(revoked_htlc_timeout.lock_time.0, 0);
+ assert_eq!(revoked_htlc_success.lock_time, LockTime::ZERO);
+ assert_ne!(revoked_htlc_timeout.lock_time, LockTime::ZERO);
// A will generate justice tx from B's revoked commitment/HTLC tx
mine_transaction(&nodes[0], &revoked_local_txn[0]);
let anchor_outputs_value = if anchors { channel::ANCHOR_OUTPUT_VALUE_SATOSHI * 2 } else { 0 };
let as_balances = sorted_vec(vec![Balance::ClaimableAwaitingConfirmations {
// to_remote output in B's revoked commitment
- amount_satoshis: 1_000_000 - 11_000 - 3_000 - commitment_tx_fee - anchor_outputs_value,
+ amount_satoshis: 1_000_000 - 12_000 - 3_000 - commitment_tx_fee - anchor_outputs_value,
confirmation_height: to_remote_conf_height,
}, Balance::CounterpartyRevokedOutputClaimable {
// to_self output in B's revoked commitment
- amount_satoshis: 10_000,
+ amount_satoshis: 11_000,
}, Balance::CounterpartyRevokedOutputClaimable { // HTLC 1
amount_satoshis: 3_000,
}, Balance::CounterpartyRevokedOutputClaimable { // HTLC 2
sorted_vec(nodes[0].chain_monitor.chain_monitor.get_monitor(funding_outpoint).unwrap().get_claimable_balances()));
assert_eq!(as_htlc_claim_tx[0].output.len(), 1);
- let as_revoked_htlc_success_claim_fee = chan_feerate * as_htlc_claim_tx[0].weight() as u64 / 1000;
+ let as_revoked_htlc_success_claim_fee = chan_feerate * as_htlc_claim_tx[0].weight().to_wu() / 1000;
if anchors {
// With anchors, B can pay for revoked_htlc_success's fee with additional inputs, rather
// than with the HTLC itself.
mine_transaction(&nodes[0], &as_htlc_claim_tx[0]);
assert_eq!(sorted_vec(vec![Balance::ClaimableAwaitingConfirmations {
// to_remote output in B's revoked commitment
- amount_satoshis: 1_000_000 - 11_000 - 3_000 - commitment_tx_fee - anchor_outputs_value,
+ amount_satoshis: 1_000_000 - 12_000 - 3_000 - commitment_tx_fee - anchor_outputs_value,
confirmation_height: to_remote_conf_height,
}, Balance::CounterpartyRevokedOutputClaimable {
// to_self output in B's revoked commitment
- amount_satoshis: 10_000,
+ amount_satoshis: 11_000,
}, Balance::CounterpartyRevokedOutputClaimable { // HTLC 2
amount_satoshis: 1_000,
}, Balance::ClaimableAwaitingConfirmations {
test_spendable_output(&nodes[0], &revoked_local_txn[0], false);
assert_eq!(sorted_vec(vec![Balance::CounterpartyRevokedOutputClaimable {
// to_self output to B
- amount_satoshis: 10_000,
+ amount_satoshis: 11_000,
}, Balance::CounterpartyRevokedOutputClaimable { // HTLC 2
amount_satoshis: 1_000,
}, Balance::ClaimableAwaitingConfirmations {
test_spendable_output(&nodes[0], &as_htlc_claim_tx[0], false);
assert_eq!(sorted_vec(vec![Balance::CounterpartyRevokedOutputClaimable {
// to_self output in B's revoked commitment
- amount_satoshis: 10_000,
+ amount_satoshis: 11_000,
}, Balance::CounterpartyRevokedOutputClaimable { // HTLC 2
amount_satoshis: 1_000,
}]),
sorted_vec(nodes[0].chain_monitor.chain_monitor.get_monitor(funding_outpoint).unwrap().get_claimable_balances()));
- connect_blocks(&nodes[0], revoked_htlc_timeout.lock_time.0 - nodes[0].best_block_info().1);
+ connect_blocks(&nodes[0], revoked_htlc_timeout.lock_time.to_consensus_u32() - nodes[0].best_block_info().1);
expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!(&nodes[0],
[HTLCDestination::FailedPayment { payment_hash: failed_payment_hash }]);
// As time goes on A may split its revocation claim transaction into multiple.
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
assert_eq!(sorted_vec(vec![Balance::CounterpartyRevokedOutputClaimable {
// to_self output in B's revoked commitment
- amount_satoshis: 10_000,
+ amount_satoshis: 11_000,
}, Balance::CounterpartyRevokedOutputClaimable { // HTLC 2
amount_satoshis: 1_000,
}]),
mine_transaction(&nodes[0], &revoked_htlc_timeout_claim);
assert_eq!(sorted_vec(vec![Balance::CounterpartyRevokedOutputClaimable {
// to_self output in B's revoked commitment
- amount_satoshis: 10_000,
+ amount_satoshis: 11_000,
}, Balance::ClaimableAwaitingConfirmations {
amount_satoshis: revoked_htlc_timeout_claim.output[0].value,
confirmation_height: nodes[0].best_block_info().1 + ANTI_REORG_DELAY - 1,
// secret to the counterparty. However, because we always immediately take the revocation
// secret from the keys_manager, we would panic at broadcast as we're trying to sign a
// transaction which, from the point of view of our keys_manager, is revoked.
- chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let mut user_config = test_default_channel_config();
if anchors {
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![TxOut {
value: Amount::ONE_BTC.to_sat(),
let (_, _, chan_id, funding_tx) =
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 100_000_000);
let funding_outpoint = OutPoint { txid: funding_tx.txid(), index: 0 };
- assert_eq!(funding_outpoint.to_channel_id(), chan_id);
+ assert_eq!(ChannelId::v1_from_funding_outpoint(funding_outpoint), chan_id);
// We create two HTLCs, one which we will give A the preimage to to generate an HTLC-Success
// transaction, and one which we will not, allowing B to claim the HTLC output in an aggregated
};
mine_transaction(&nodes[0], &commitment_tx);
+ if nodes[0].connect_style.borrow().updates_best_block_first() {
+ let txn = nodes[0].tx_broadcaster.txn_broadcast();
+ assert_eq!(txn.len(), 1);
+ assert_eq!(txn[0].txid(), commitment_tx.txid());
+ }
// Connect blocks until the HTLC's expiration is met, expecting a transaction broadcast.
connect_blocks(&nodes[0], TEST_FINAL_CLTV);
// Check that we can still rebroadcast these packages/transactions if we're upgrading from an
// old `ChannelMonitor` that did not exercise said rebroadcasting logic.
if check_old_monitor_retries_after_upgrade {
- let serialized_monitor = hex::decode(
+ let serialized_monitor = <Vec<u8>>::from_hex(
"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0",
).unwrap();
reload_node!(nodes[0], &nodes[0].node.encode(), &[&serialized_monitor], persister, new_chain_monitor, node_deserialized);
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![TxOut { // UTXO to attach fees to `htlc_tx` on anchors
value: Amount::ONE_BTC.to_sat(),
check_spends!(&htlc_tx, &commitment_txn[0], &coinbase_tx);
let htlc_tx_fee = HTLC_AMT_SAT + coinbase_tx.output[0].value -
htlc_tx.output.iter().map(|output| output.value).sum::<u64>();
- let htlc_tx_weight = htlc_tx.weight() as u64;
+ let htlc_tx_weight = htlc_tx.weight().to_wu();
(htlc_tx, compute_feerate_sat_per_1000_weight(htlc_tx_fee, htlc_tx_weight))
}
_ => panic!("Unexpected event"),
let htlc_tx = txn.pop().unwrap();
check_spends!(htlc_tx, commitment_txn[0]);
let htlc_tx_fee = HTLC_AMT_SAT - htlc_tx.output[0].value;
- let htlc_tx_weight = htlc_tx.weight() as u64;
+ let htlc_tx_weight = htlc_tx.weight().to_wu();
(htlc_tx, compute_feerate_sat_per_1000_weight(htlc_tx_fee, htlc_tx_weight))
};
if should_bump {
Event::BumpTransaction(event) => {
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![TxOut { // UTXO to attach fees to `anchor_tx`
value: Amount::ONE_BTC.to_sat(),
nodes[1].node.timer_tick_occurred();
check_added_monitors(&nodes[1], 2);
check_closed_event!(&nodes[1], 2, ClosureReason::OutdatedChannelManager, [nodes[0].node.get_our_node_id(); 2], 1000000);
- let (revoked_commitment_a, revoked_commitment_b) = {
- let txn = nodes[1].tx_broadcaster.unique_txn_broadcast();
- assert_eq!(txn.len(), 2);
- assert_eq!(txn[0].output.len(), 6); // 2 HTLC outputs + 1 to_self output + 1 to_remote output + 2 anchor outputs
- assert_eq!(txn[1].output.len(), 6); // 2 HTLC outputs + 1 to_self output + 1 to_remote output + 2 anchor outputs
- if txn[0].input[0].previous_output.txid == chan_a.3.txid() {
- check_spends!(&txn[0], &chan_a.3);
- check_spends!(&txn[1], &chan_b.3);
- (txn[0].clone(), txn[1].clone())
- } else {
- check_spends!(&txn[1], &chan_a.3);
- check_spends!(&txn[0], &chan_b.3);
- (txn[1].clone(), txn[0].clone())
- }
- };
// Bob should now receive two events to bump his revoked commitment transaction fees.
assert!(nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
let events = nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events();
assert_eq!(events.len(), 2);
+ let mut revoked_commitment_txs = Vec::with_capacity(events.len());
let mut anchor_txs = Vec::with_capacity(events.len());
for (idx, event) in events.into_iter().enumerate() {
let utxo_value = Amount::ONE_BTC.to_sat() * (idx + 1) as u64;
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![TxOut { // UTXO to attach fees to `anchor_tx`
value: utxo_value,
};
let txn = nodes[1].tx_broadcaster.txn_broadcast();
assert_eq!(txn.len(), 2);
+ assert_eq!(txn[0].output.len(), 6); // 2 HTLC outputs + 1 to_self output + 1 to_remote output + 2 anchor outputs
+ if txn[0].input[0].previous_output.txid == chan_a.3.txid() {
+ check_spends!(&txn[0], &chan_a.3);
+ } else {
+ check_spends!(&txn[0], &chan_b.3);
+ }
let (commitment_tx, anchor_tx) = (&txn[0], &txn[1]);
check_spends!(anchor_tx, coinbase_tx, commitment_tx);
+
+ revoked_commitment_txs.push(commitment_tx.clone());
anchor_txs.push(anchor_tx.clone());
};
for node in &nodes {
- mine_transactions(node, &[&revoked_commitment_a, &anchor_txs[0], &revoked_commitment_b, &anchor_txs[1]]);
+ mine_transactions(node, &[&revoked_commitment_txs[0], &anchor_txs[0], &revoked_commitment_txs[1], &anchor_txs[1]]);
}
check_added_monitors!(&nodes[0], 2);
check_closed_broadcast(&nodes[0], 2, true);
let txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
assert_eq!(txn.len(), 4);
- let (revoked_htlc_claim_a, revoked_htlc_claim_b) = if txn[0].input[0].previous_output.txid == revoked_commitment_a.txid() {
+ let (revoked_htlc_claim_a, revoked_htlc_claim_b) = if txn[0].input[0].previous_output.txid == revoked_commitment_txs[0].txid() {
(if txn[0].input.len() == 2 { &txn[0] } else { &txn[1] }, if txn[2].input.len() == 2 { &txn[2] } else { &txn[3] })
} else {
(if txn[2].input.len() == 2 { &txn[2] } else { &txn[3] }, if txn[0].input.len() == 2 { &txn[0] } else { &txn[1] })
assert_eq!(revoked_htlc_claim_a.input.len(), 2); // Spends both HTLC outputs
assert_eq!(revoked_htlc_claim_a.output.len(), 1);
- check_spends!(revoked_htlc_claim_a, revoked_commitment_a);
+ check_spends!(revoked_htlc_claim_a, revoked_commitment_txs[0]);
assert_eq!(revoked_htlc_claim_b.input.len(), 2); // Spends both HTLC outputs
assert_eq!(revoked_htlc_claim_b.output.len(), 1);
- check_spends!(revoked_htlc_claim_b, revoked_commitment_b);
+ check_spends!(revoked_htlc_claim_b, revoked_commitment_txs[1]);
}
// Since Bob was able to confirm his revoked commitment, he'll now try to claim the HTLCs
let htlc_tx = {
let secret_key = SecretKey::from_slice(&[1; 32]).unwrap();
let public_key = PublicKey::new(secret_key.public_key(&secp));
- let fee_utxo_script = Script::new_v0_p2wpkh(&public_key.wpubkey_hash().unwrap());
+ let fee_utxo_script = ScriptBuf::new_v0_p2wpkh(&public_key.wpubkey_hash().unwrap());
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![TxOut { // UTXO to attach fees to `htlc_tx`
value: Amount::ONE_BTC.to_sat(),
};
let mut htlc_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { // Fee input
previous_output: bitcoin::OutPoint { txid: coinbase_tx.txid(), vout: 0 },
..Default::default()
}],
output: vec![TxOut { // Fee input change
value: coinbase_tx.output[0].value / 2 ,
- script_pubkey: Script::new_op_return(&[]),
+ script_pubkey: ScriptBuf::new_op_return(&[]),
}],
};
let mut descriptors = Vec::with_capacity(4);
htlc_tx.input[htlc_input_idx].witness = htlc_descriptor.tx_input_witness(&our_sig, &witness_script);
}
let fee_utxo_sig = {
- let witness_script = Script::new_p2pkh(&public_key.pubkey_hash());
+ let witness_script = ScriptBuf::new_p2pkh(&public_key.pubkey_hash());
let sighash = hash_to_message!(&SighashCache::new(&htlc_tx).segwit_signature_hash(
0, &witness_script, coinbase_tx.output[0].value, EcdsaSighashType::All
).unwrap()[..]);
sig.push(EcdsaSighashType::All as u8);
sig
};
- htlc_tx.input[0].witness = Witness::from_vec(vec![fee_utxo_sig, public_key.to_bytes()]);
- check_spends!(htlc_tx, coinbase_tx, revoked_commitment_a, revoked_commitment_b);
+ htlc_tx.input[0].witness = Witness::from_slice(&[fee_utxo_sig, public_key.to_bytes()]);
+ check_spends!(htlc_tx, coinbase_tx, revoked_commitment_txs[0], revoked_commitment_txs[1]);
htlc_tx
};
check_spends!(revoked_htlc_claim, htlc_tx);
}
- let mut revoked_claim_transaction_map = HashMap::new();
+ let mut revoked_claim_transaction_map = new_hash_map();
for current_tx in txn.into_iter() {
revoked_claim_transaction_map.insert(current_tx.txid(), current_tx);
}
assert_eq!(outputs.len(), 1);
assert!(vec![chan_b.2, chan_a.2].contains(&channel_id.unwrap()));
let spend_tx = nodes[0].keys_manager.backing.spend_spendable_outputs(
- &[&outputs[0]], Vec::new(), Script::new_op_return(&[]), 253, None, &Secp256k1::new(),
+ &[&outputs[0]], Vec::new(), ScriptBuf::new_op_return(&[]), 253, None, &Secp256k1::new(),
).unwrap();
if let SpendableOutputDescriptor::StaticPaymentOutput(_) = &outputs[0] {
- check_spends!(spend_tx, &revoked_commitment_a, &revoked_commitment_b);
+ check_spends!(spend_tx, &revoked_commitment_txs[0], &revoked_commitment_txs[1]);
} else {
check_spends!(spend_tx, revoked_claim_transactions.get(&spend_tx.input[0].previous_output.txid).unwrap());
}
let secp = Secp256k1::new();
let privkey = bitcoin::PrivateKey::from_slice(&[1; 32], bitcoin::Network::Testnet).unwrap();
let pubkey = bitcoin::PublicKey::from_private_key(&secp, &privkey);
- let p2wpkh_script = Script::new_v0_p2wpkh(&pubkey.wpubkey_hash().unwrap());
+ let p2wpkh_script = ScriptBuf::new_v0_p2wpkh(&pubkey.wpubkey_hash().unwrap());
get_monitor!(nodes[1], chan_id).set_counterparty_payment_script(p2wpkh_script.clone());
assert_eq!(get_monitor!(nodes[1], chan_id).get_counterparty_payment_script(), p2wpkh_script);
// We should expect our round trip serialization check to fail as we're writing the monitor
// with the incorrect P2WPKH script but reading it with the correct P2WSH script.
*nodes[1].chain_monitor.expect_monitor_round_trip_fail.lock().unwrap() = Some(chan_id);
- let commitment_tx_conf_height = block_from_scid(&mine_transaction(&nodes[1], &commitment_tx));
+ let commitment_tx_conf_height = block_from_scid(mine_transaction(&nodes[1], &commitment_tx));
let serialized_monitor = get_monitor!(nodes[1], chan_id).encode();
reload_node!(nodes[1], user_config, &nodes[1].node.encode(), &[&serialized_monitor], persister, chain_monitor, node_deserialized);
commitment_tx_conf_height
} else {
let serialized_monitor = get_monitor!(nodes[1], chan_id).encode();
reload_node!(nodes[1], user_config, &nodes[1].node.encode(), &[&serialized_monitor], persister, chain_monitor, node_deserialized);
- let commitment_tx_conf_height = block_from_scid(&mine_transaction(&nodes[1], &commitment_tx));
+ let commitment_tx_conf_height = block_from_scid(mine_transaction(&nodes[1], &commitment_tx));
check_added_monitors(&nodes[1], 1);
check_closed_broadcast(&nodes[1], 1, true);
commitment_tx_conf_height
let coinbase_tx = Transaction {
version: 2,
- lock_time: PackedLockTime::ZERO,
+ lock_time: LockTime::ZERO,
input: vec![TxIn { ..Default::default() }],
output: vec![
TxOut {
(&nodes[0], &nodes[1])
};
- closing_node.node.force_close_broadcasting_latest_txn(&chan_id, &other_node.node.get_our_node_id()).unwrap();
+ get_monitor!(closing_node, chan_id).broadcast_latest_holder_commitment_txn(
+ &closing_node.tx_broadcaster, &closing_node.fee_estimator, &closing_node.logger
+ );
// The commitment transaction comes first.
let commitment_tx = {
mine_transaction(closing_node, &commitment_tx);
check_added_monitors!(closing_node, 1);
check_closed_broadcast!(closing_node, true);
- check_closed_event!(closing_node, 1, ClosureReason::HolderForceClosed, [other_node.node.get_our_node_id()], 1_000_000);
+ check_closed_event!(closing_node, 1, ClosureReason::CommitmentTxConfirmed, [other_node.node.get_our_node_id()], 1_000_000);
mine_transaction(other_node, &commitment_tx);
check_added_monitors!(other_node, 1);
// If we update the best block to the new height before providing the confirmed transactions,
// we'll see another broadcast of the commitment transaction.
- if anchors && !confirm_counterparty_commitment && nodes[0].connect_style.borrow().updates_best_block_first() {
+ if !confirm_counterparty_commitment && nodes[0].connect_style.borrow().updates_best_block_first() {
let _ = nodes[0].tx_broadcaster.txn_broadcast();
}
let htlc_timeout_tx = {
let mut txn = nodes[0].tx_broadcaster.txn_broadcast();
assert_eq!(txn.len(), 1);
- let tx = if txn[0].input[0].previous_output.txid == commitment_tx.txid() {
- txn[0].clone()
- } else {
- txn[1].clone()
- };
+ let tx = txn.pop().unwrap();
check_spends!(tx, commitment_tx, coinbase_tx);
tx
};
projects / rust-lightning / blobdiff