//! security-domain-separated system design, you should consider having multiple paths for
//! ChannelMonitors to get out of the HSM and onto monitoring devices.
-use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::blockdata::block::BlockHeader;
use bitcoin::blockdata::transaction::{TxOut,Transaction};
use bitcoin::blockdata::script::{Script, Builder};
use bitcoin::blockdata::opcodes;
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
-use bitcoin::secp256k1::{Secp256k1,Signature};
-use bitcoin::secp256k1::key::{SecretKey,PublicKey};
+use bitcoin::secp256k1::{Secp256k1, ecdsa::Signature};
+use bitcoin::secp256k1::{SecretKey, PublicKey};
use bitcoin::secp256k1;
use ln::{PaymentHash, PaymentPreimage};
/// An update generated by the underlying Channel itself which contains some new information the
/// ChannelMonitor should be made aware of.
-#[cfg_attr(any(test, feature = "fuzztarget", feature = "_test_utils"), derive(PartialEq))]
+#[cfg_attr(any(test, fuzzing, feature = "_test_utils"), derive(PartialEq))]
#[derive(Clone)]
#[must_use]
pub struct ChannelMonitorUpdate {
);
-#[cfg_attr(any(test, feature = "fuzztarget", feature = "_test_utils"), derive(PartialEq))]
+#[cfg_attr(any(test, fuzzing, feature = "_test_utils"), derive(PartialEq))]
#[derive(Clone)]
pub(crate) enum ChannelMonitorUpdateStep {
LatestHolderCommitmentTXInfo {
},
}
+impl ChannelMonitorUpdateStep {
+ fn variant_name(&self) -> &'static str {
+ match self {
+ ChannelMonitorUpdateStep::LatestHolderCommitmentTXInfo { .. } => "LatestHolderCommitmentTXInfo",
+ ChannelMonitorUpdateStep::LatestCounterpartyCommitmentTXInfo { .. } => "LatestCounterpartyCommitmentTXInfo",
+ ChannelMonitorUpdateStep::PaymentPreimage { .. } => "PaymentPreimage",
+ ChannelMonitorUpdateStep::CommitmentSecret { .. } => "CommitmentSecret",
+ ChannelMonitorUpdateStep::ChannelForceClosed { .. } => "ChannelForceClosed",
+ ChannelMonitorUpdateStep::ShutdownScript { .. } => "ShutdownScript",
+ }
+ }
+}
+
impl_writeable_tlv_based_enum_upgradable!(ChannelMonitorUpdateStep,
(0, LatestHolderCommitmentTXInfo) => {
(0, commitment_tx, required),
/// Transaction outputs to watch for on-chain spends.
pub type TransactionOutputs = (Txid, Vec<(u32, TxOut)>);
-#[cfg(any(test, feature = "fuzztarget", feature = "_test_utils"))]
-/// Used only in testing and fuzztarget to check serialization roundtrips don't change the
-/// underlying object
+#[cfg(any(test, fuzzing, feature = "_test_utils"))]
+/// Used only in testing and fuzzing to check serialization roundtrips don't change the underlying
+/// object
impl<Signer: Sign> PartialEq for ChannelMonitor<Signer> {
fn eq(&self, other: &Self) -> bool {
let inner = self.inner.lock().unwrap();
}
}
-#[cfg(any(test, feature = "fuzztarget", feature = "_test_utils"))]
-/// Used only in testing and fuzztarget to check serialization roundtrips don't change the
-/// underlying object
+#[cfg(any(test, fuzzing, feature = "_test_utils"))]
+/// Used only in testing and fuzzing to check serialization roundtrips don't change the underlying
+/// object
impl<Signer: Sign> PartialEq for ChannelMonitorImpl<Signer> {
fn eq(&self, other: &Self) -> bool {
if self.latest_update_id != other.latest_update_id ||
($holder_commitment: expr, $htlc_iter: expr) => {
for htlc in $htlc_iter {
if let Some(htlc_input_idx) = htlc.transaction_output_index {
- if us.htlcs_resolved_on_chain.iter().any(|v| v.input_idx == htlc_input_idx) {
- assert!(us.funding_spend_confirmed.is_some());
+ if let Some(conf_thresh) = us.onchain_events_awaiting_threshold_conf.iter().find_map(|event| {
+ if let OnchainEvent::MaturingOutput { descriptor: SpendableOutputDescriptor::DelayedPaymentOutput(descriptor) } = &event.event {
+ if descriptor.outpoint.index as u32 == htlc_input_idx { Some(event.confirmation_threshold()) } else { None }
+ } else { None }
+ }) {
+ debug_assert!($holder_commitment);
+ res.push(Balance::ClaimableAwaitingConfirmations {
+ claimable_amount_satoshis: htlc.amount_msat / 1000,
+ confirmation_height: conf_thresh,
+ });
+ } else if us.htlcs_resolved_on_chain.iter().any(|v| v.input_idx == htlc_input_idx) {
+ // Funding transaction spends should be fully confirmed by the time any
+ // HTLC transactions are resolved, unless we're talking about a holder
+ // commitment tx, whose resolution is delayed until the CSV timeout is
+ // reached, even though HTLCs may be resolved after only
+ // ANTI_REORG_DELAY confirmations.
+ debug_assert!($holder_commitment || us.funding_spend_confirmed.is_some());
} else if htlc.offered == $holder_commitment {
// If the payment was outbound, check if there's an HTLCUpdate
// indicating we have spent this HTLC with a timeout, claiming it back
F::Target: FeeEstimator,
L::Target: Logger,
{
+ log_info!(logger, "Applying update to monitor {}, bringing update_id from {} to {} with {} changes.",
+ log_funding_info!(self), self.latest_update_id, updates.update_id, updates.updates.len());
// ChannelMonitor updates may be applied after force close if we receive a
// preimage for a broadcasted commitment transaction HTLC output that we'd
// like to claim on-chain. If this is the case, we no longer have guaranteed
// access to the monitor's update ID, so we use a sentinel value instead.
if updates.update_id == CLOSED_CHANNEL_UPDATE_ID {
+ assert_eq!(updates.updates.len(), 1);
match updates.updates[0] {
ChannelMonitorUpdateStep::PaymentPreimage { .. } => {},
- _ => panic!("Attempted to apply post-force-close ChannelMonitorUpdate that wasn't providing a payment preimage"),
+ _ => {
+ log_error!(logger, "Attempted to apply post-force-close ChannelMonitorUpdate of type {}", updates.updates[0].variant_name());
+ panic!("Attempted to apply post-force-close ChannelMonitorUpdate that wasn't providing a payment preimage");
+ },
}
- assert_eq!(updates.updates.len(), 1);
} else if self.latest_update_id + 1 != updates.update_id {
panic!("Attempted to apply ChannelMonitorUpdates out of order, check the update_id before passing an update to update_monitor!");
}
// appears to be spending the correct type (ie that the match would
// actually succeed in BIP 158/159-style filters).
if _script_pubkey.is_v0_p2wsh() {
- assert_eq!(&bitcoin::Address::p2wsh(&Script::from(input.witness.last().unwrap().clone()), bitcoin::Network::Bitcoin).script_pubkey(), _script_pubkey);
+ assert_eq!(&bitcoin::Address::p2wsh(&Script::from(input.witness.last().unwrap().to_vec()), bitcoin::Network::Bitcoin).script_pubkey(), _script_pubkey);
} else if _script_pubkey.is_v0_p2wpkh() {
assert_eq!(&bitcoin::Address::p2wpkh(&bitcoin::PublicKey::from_slice(&input.witness.last().unwrap()).unwrap(), bitcoin::Network::Bitcoin).unwrap().script_pubkey(), _script_pubkey);
} else { panic!(); }
fn is_resolving_htlc_output<L: Deref>(&mut self, tx: &Transaction, height: u32, logger: &L) where L::Target: Logger {
'outer_loop: for input in &tx.input {
let mut payment_data = None;
- let revocation_sig_claim = (input.witness.len() == 3 && HTLCType::scriptlen_to_htlctype(input.witness[2].len()) == Some(HTLCType::OfferedHTLC) && input.witness[1].len() == 33)
- || (input.witness.len() == 3 && HTLCType::scriptlen_to_htlctype(input.witness[2].len()) == Some(HTLCType::AcceptedHTLC) && input.witness[1].len() == 33);
- let accepted_preimage_claim = input.witness.len() == 5 && HTLCType::scriptlen_to_htlctype(input.witness[4].len()) == Some(HTLCType::AcceptedHTLC);
+ let witness_items = input.witness.len();
+ let htlctype = input.witness.last().map(|w| w.len()).and_then(HTLCType::scriptlen_to_htlctype);
+ let prev_last_witness_len = input.witness.second_to_last().map(|w| w.len()).unwrap_or(0);
+ let revocation_sig_claim = (witness_items == 3 && htlctype == Some(HTLCType::OfferedHTLC) && prev_last_witness_len == 33)
+ || (witness_items == 3 && htlctype == Some(HTLCType::AcceptedHTLC) && prev_last_witness_len == 33);
+ let accepted_preimage_claim = witness_items == 5 && htlctype == Some(HTLCType::AcceptedHTLC);
#[cfg(not(fuzzing))]
- let accepted_timeout_claim = input.witness.len() == 3 && HTLCType::scriptlen_to_htlctype(input.witness[2].len()) == Some(HTLCType::AcceptedHTLC) && !revocation_sig_claim;
- let offered_preimage_claim = input.witness.len() == 3 && HTLCType::scriptlen_to_htlctype(input.witness[2].len()) == Some(HTLCType::OfferedHTLC) && !revocation_sig_claim;
+ let accepted_timeout_claim = witness_items == 3 && htlctype == Some(HTLCType::AcceptedHTLC) && !revocation_sig_claim;
+ let offered_preimage_claim = witness_items == 3 && htlctype == Some(HTLCType::OfferedHTLC) && !revocation_sig_claim;
#[cfg(not(fuzzing))]
- let offered_timeout_claim = input.witness.len() == 5 && HTLCType::scriptlen_to_htlctype(input.witness[4].len()) == Some(HTLCType::OfferedHTLC);
+ let offered_timeout_claim = witness_items == 5 && htlctype == Some(HTLCType::OfferedHTLC);
let mut payment_preimage = PaymentPreimage([0; 32]);
if accepted_preimage_claim {
- payment_preimage.0.copy_from_slice(&input.witness[3]);
+ payment_preimage.0.copy_from_slice(input.witness.second_to_last().unwrap());
} else if offered_preimage_claim {
- payment_preimage.0.copy_from_slice(&input.witness[1]);
+ payment_preimage.0.copy_from_slice(input.witness.second_to_last().unwrap());
}
macro_rules! log_claim {
F::Target: FeeEstimator,
L::Target: Logger,
{
- fn block_connected(&self, block: &Block, height: u32) {
- let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
- self.0.block_connected(&block.header, &txdata, height, &*self.1, &*self.2, &*self.3);
+ fn filtered_block_connected(&self, header: &BlockHeader, txdata: &TransactionData, height: u32) {
+ self.0.block_connected(header, txdata, height, &*self.1, &*self.2, &*self.3);
}
fn block_disconnected(&self, header: &BlockHeader, height: u32) {
use bitcoin::blockdata::block::BlockHeader;
use bitcoin::blockdata::script::{Script, Builder};
use bitcoin::blockdata::opcodes;
- use bitcoin::blockdata::transaction::{Transaction, TxIn, TxOut, SigHashType};
+ use bitcoin::blockdata::transaction::{Transaction, TxIn, TxOut, EcdsaSighashType};
use bitcoin::blockdata::transaction::OutPoint as BitcoinOutPoint;
- use bitcoin::util::bip143;
+ use bitcoin::util::sighash;
use bitcoin::hashes::Hash;
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::hex::FromHex;
use bitcoin::hash_types::{BlockHash, Txid};
use bitcoin::network::constants::Network;
- use bitcoin::secp256k1::key::{SecretKey,PublicKey};
+ use bitcoin::secp256k1::{SecretKey,PublicKey};
use bitcoin::secp256k1::Secp256k1;
use hex;
use util::ser::{ReadableArgs, Writeable};
use sync::{Arc, Mutex};
use io;
+ use bitcoin::Witness;
use prelude::*;
fn do_test_funding_spend_refuses_updates(use_local_txn: bool) {
SecretKey::from_slice(&[41; 32]).unwrap(),
SecretKey::from_slice(&[41; 32]).unwrap(),
SecretKey::from_slice(&[41; 32]).unwrap(),
+ SecretKey::from_slice(&[41; 32]).unwrap(),
[41; 32],
0,
[0; 32]
transaction_output_index: Some($idx as u32),
};
let redeem_script = if *$weight == WEIGHT_REVOKED_OUTPUT { chan_utils::get_revokeable_redeemscript(&pubkey, 256, &pubkey) } else { chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, $opt_anchors, &pubkey, &pubkey, &pubkey) };
- let sighash = hash_to_message!(&$sighash_parts.signature_hash($idx, &redeem_script, $amount, SigHashType::All)[..]);
- let sig = secp_ctx.sign(&sighash, &privkey);
- $sighash_parts.access_witness($idx).push(sig.serialize_der().to_vec());
- $sighash_parts.access_witness($idx)[0].push(SigHashType::All as u8);
- $sum_actual_sigs += $sighash_parts.access_witness($idx)[0].len();
+ let sighash = hash_to_message!(&$sighash_parts.segwit_signature_hash($idx, &redeem_script, $amount, EcdsaSighashType::All).unwrap()[..]);
+ let sig = secp_ctx.sign_ecdsa(&sighash, &privkey);
+ let mut ser_sig = sig.serialize_der().to_vec();
+ ser_sig.push(EcdsaSighashType::All as u8);
+ $sum_actual_sigs += ser_sig.len();
+ let witness = $sighash_parts.witness_mut($idx).unwrap();
+ witness.push(ser_sig);
if *$weight == WEIGHT_REVOKED_OUTPUT {
- $sighash_parts.access_witness($idx).push(vec!(1));
+ witness.push(vec!(1));
} else if *$weight == weight_revoked_offered_htlc($opt_anchors) || *$weight == weight_revoked_received_htlc($opt_anchors) {
- $sighash_parts.access_witness($idx).push(pubkey.clone().serialize().to_vec());
+ witness.push(pubkey.clone().serialize().to_vec());
} else if *$weight == weight_received_htlc($opt_anchors) {
- $sighash_parts.access_witness($idx).push(vec![0]);
+ witness.push(vec![0]);
} else {
- $sighash_parts.access_witness($idx).push(PaymentPreimage([1; 32]).0.to_vec());
+ witness.push(PaymentPreimage([1; 32]).0.to_vec());
}
- $sighash_parts.access_witness($idx).push(redeem_script.into_bytes());
- println!("witness[0] {}", $sighash_parts.access_witness($idx)[0].len());
- println!("witness[1] {}", $sighash_parts.access_witness($idx)[1].len());
- println!("witness[2] {}", $sighash_parts.access_witness($idx)[2].len());
+ witness.push(redeem_script.into_bytes());
+ let witness = witness.to_vec();
+ println!("witness[0] {}", witness[0].len());
+ println!("witness[1] {}", witness[1].len());
+ println!("witness[2] {}", witness[2].len());
}
}
},
script_sig: Script::new(),
sequence: 0xfffffffd,
- witness: Vec::new(),
+ witness: Witness::new(),
});
}
claim_tx.output.push(TxOut {
script_pubkey: script_pubkey.clone(),
value: 0,
});
- let base_weight = claim_tx.get_weight();
+ let base_weight = claim_tx.weight();
let inputs_weight = vec![WEIGHT_REVOKED_OUTPUT, weight_revoked_offered_htlc(opt_anchors), weight_revoked_offered_htlc(opt_anchors), weight_revoked_received_htlc(opt_anchors)];
let mut inputs_total_weight = 2; // count segwit flags
{
- let mut sighash_parts = bip143::SigHashCache::new(&mut claim_tx);
+ let mut sighash_parts = sighash::SighashCache::new(&mut claim_tx);
for (idx, inp) in inputs_weight.iter().enumerate() {
sign_input!(sighash_parts, idx, 0, inp, sum_actual_sigs, opt_anchors);
inputs_total_weight += inp;
}
}
- assert_eq!(base_weight + inputs_total_weight as usize, claim_tx.get_weight() + /* max_length_sig */ (73 * inputs_weight.len() - sum_actual_sigs));
+ assert_eq!(base_weight + inputs_total_weight as usize, claim_tx.weight() + /* max_length_sig */ (73 * inputs_weight.len() - sum_actual_sigs));
}
// Claim tx with 1 offered HTLCs, 3 received HTLCs
},
script_sig: Script::new(),
sequence: 0xfffffffd,
- witness: Vec::new(),
+ witness: Witness::new(),
});
}
claim_tx.output.push(TxOut {
script_pubkey: script_pubkey.clone(),
value: 0,
});
- let base_weight = claim_tx.get_weight();
+ let base_weight = claim_tx.weight();
let inputs_weight = vec![weight_offered_htlc(opt_anchors), weight_received_htlc(opt_anchors), weight_received_htlc(opt_anchors), weight_received_htlc(opt_anchors)];
let mut inputs_total_weight = 2; // count segwit flags
{
- let mut sighash_parts = bip143::SigHashCache::new(&mut claim_tx);
+ let mut sighash_parts = sighash::SighashCache::new(&mut claim_tx);
for (idx, inp) in inputs_weight.iter().enumerate() {
sign_input!(sighash_parts, idx, 0, inp, sum_actual_sigs, opt_anchors);
inputs_total_weight += inp;
}
}
- assert_eq!(base_weight + inputs_total_weight as usize, claim_tx.get_weight() + /* max_length_sig */ (73 * inputs_weight.len() - sum_actual_sigs));
+ assert_eq!(base_weight + inputs_total_weight as usize, claim_tx.weight() + /* max_length_sig */ (73 * inputs_weight.len() - sum_actual_sigs));
}
// Justice tx with 1 revoked HTLC-Success tx output
},
script_sig: Script::new(),
sequence: 0xfffffffd,
- witness: Vec::new(),
+ witness: Witness::new(),
});
claim_tx.output.push(TxOut {
script_pubkey: script_pubkey.clone(),
value: 0,
});
- let base_weight = claim_tx.get_weight();
+ let base_weight = claim_tx.weight();
let inputs_weight = vec![WEIGHT_REVOKED_OUTPUT];
let mut inputs_total_weight = 2; // count segwit flags
{
- let mut sighash_parts = bip143::SigHashCache::new(&mut claim_tx);
+ let mut sighash_parts = sighash::SighashCache::new(&mut claim_tx);
for (idx, inp) in inputs_weight.iter().enumerate() {
sign_input!(sighash_parts, idx, 0, inp, sum_actual_sigs, opt_anchors);
inputs_total_weight += inp;
}
}
- assert_eq!(base_weight + inputs_total_weight as usize, claim_tx.get_weight() + /* max_length_isg */ (73 * inputs_weight.len() - sum_actual_sigs));
+ assert_eq!(base_weight + inputs_total_weight as usize, claim_tx.weight() + /* max_length_isg */ (73 * inputs_weight.len() - sum_actual_sigs));
}
}
projects / rust-lightning / blobdiff