X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fonchaintx.rs;h=f3d8b2e9489d5078dc79dbc42be835fa54fe56f5;hb=c896461319b71ef3356ab72d9e886437d09cf79b;hp=2d7d417d255ac77dfecb1791dd24bca42d4166ca;hpb=f151c029756622d06303252f918fce1b26809d23;p=rust-lightning diff --git a/lightning/src/ln/onchaintx.rs b/lightning/src/ln/onchaintx.rs index 2d7d417d..f3d8b2e9 100644 --- a/lightning/src/ln/onchaintx.rs +++ b/lightning/src/ln/onchaintx.rs @@ -27,7 +27,7 @@ use ln::chan_utils; use ln::chan_utils::{TxCreationKeys, ChannelTransactionParameters, HolderCommitmentTransaction}; use chain::chaininterface::{FeeEstimator, BroadcasterInterface, ConfirmationTarget, MIN_RELAY_FEE_SAT_PER_1000_WEIGHT}; use chain::channelmonitor::{ANTI_REORG_DELAY, CLTV_SHARED_CLAIM_BUFFER, InputMaterial, ClaimRequest}; -use chain::keysinterface::{ChannelKeys, KeysInterface}; +use chain::keysinterface::{Sign, KeysInterface}; use util::logger::Logger; use util::ser::{Readable, ReadableArgs, Writer, Writeable, VecWriter}; use util::byte_utils; @@ -240,7 +240,7 @@ impl Writeable for Option>> { /// OnchainTxHandler receives claiming requests, aggregates them if it's sound, broadcast and /// do RBF bumping if possible. -pub struct OnchainTxHandler { +pub struct OnchainTxHandler { destination_script: Script, holder_commitment: HolderCommitmentTransaction, // holder_htlc_sigs and prev_holder_htlc_sigs are in the order as they appear in the commitment @@ -250,7 +250,7 @@ pub struct OnchainTxHandler { prev_holder_commitment: Option, prev_holder_htlc_sigs: Option>>, - key_storage: ChanSigner, + signer: ChannelSigner, pub(crate) channel_transaction_parameters: ChannelTransactionParameters, // Used to track claiming requests. If claim tx doesn't confirm before height timer expiration we need to bump @@ -287,7 +287,7 @@ pub struct OnchainTxHandler { secp_ctx: Secp256k1, } -impl OnchainTxHandler { +impl OnchainTxHandler { pub(crate) fn write(&self, writer: &mut W) -> Result<(), ::std::io::Error> { self.destination_script.write(writer)?; self.holder_commitment.write(writer)?; @@ -298,7 +298,7 @@ impl OnchainTxHandler { self.channel_transaction_parameters.write(writer)?; let mut key_data = VecWriter(Vec::new()); - self.key_storage.write(&mut key_data)?; + self.signer.write(&mut key_data)?; assert!(key_data.0.len() < std::usize::MAX); assert!(key_data.0.len() < std::u32::MAX as usize); (key_data.0.len() as u32).write(writer)?; @@ -340,7 +340,7 @@ impl OnchainTxHandler { } } -impl<'a, K: KeysInterface> ReadableArgs<&'a K> for OnchainTxHandler { +impl<'a, K: KeysInterface> ReadableArgs<&'a K> for OnchainTxHandler { fn read(reader: &mut R, keys_manager: &'a K) -> Result { let destination_script = Readable::read(reader)?; @@ -360,7 +360,7 @@ impl<'a, K: KeysInterface> ReadableArgs<&'a K> for OnchainTxHandler ReadableArgs<&'a K> for OnchainTxHandler OnchainTxHandler { - pub(crate) fn new(destination_script: Script, keys: ChanSigner, channel_parameters: ChannelTransactionParameters, holder_commitment: HolderCommitmentTransaction) -> Self { - - let key_storage = keys; - +impl OnchainTxHandler { + pub(crate) fn new(destination_script: Script, signer: ChannelSigner, channel_parameters: ChannelTransactionParameters, holder_commitment: HolderCommitmentTransaction, secp_ctx: Secp256k1) -> Self { OnchainTxHandler { destination_script, holder_commitment, holder_htlc_sigs: None, prev_holder_commitment: None, prev_holder_htlc_sigs: None, - key_storage, + signer, channel_transaction_parameters: channel_parameters, pending_claim_requests: HashMap::new(), claimable_outpoints: HashMap::new(), onchain_events_waiting_threshold_conf: HashMap::new(), latest_height: 0, - secp_ctx: Secp256k1::new(), + secp_ctx, } } @@ -605,19 +605,19 @@ impl OnchainTxHandler { for (i, (outp, per_outp_material)) in cached_claim_datas.per_input_material.iter().enumerate() { match per_outp_material { &InputMaterial::Revoked { ref per_commitment_point, ref counterparty_delayed_payment_base_key, ref counterparty_htlc_base_key, ref per_commitment_key, ref input_descriptor, ref amount, ref htlc, ref on_counterparty_tx_csv } => { - if let Ok(chan_keys) = TxCreationKeys::derive_new(&self.secp_ctx, &per_commitment_point, counterparty_delayed_payment_base_key, counterparty_htlc_base_key, &self.key_storage.pubkeys().revocation_basepoint, &self.key_storage.pubkeys().htlc_basepoint) { + if let Ok(tx_keys) = TxCreationKeys::derive_new(&self.secp_ctx, &per_commitment_point, counterparty_delayed_payment_base_key, counterparty_htlc_base_key, &self.signer.pubkeys().revocation_basepoint, &self.signer.pubkeys().htlc_basepoint) { let witness_script = if let Some(ref htlc) = *htlc { - chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, &chan_keys.broadcaster_htlc_key, &chan_keys.countersignatory_htlc_key, &chan_keys.revocation_key) + chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, &tx_keys.broadcaster_htlc_key, &tx_keys.countersignatory_htlc_key, &tx_keys.revocation_key) } else { - chan_utils::get_revokeable_redeemscript(&chan_keys.revocation_key, *on_counterparty_tx_csv, &chan_keys.broadcaster_delayed_payment_key) + chan_utils::get_revokeable_redeemscript(&tx_keys.revocation_key, *on_counterparty_tx_csv, &tx_keys.broadcaster_delayed_payment_key) }; - let sig = self.key_storage.sign_justice_transaction(&bumped_tx, i, *amount, &per_commitment_key, htlc, &self.secp_ctx).expect("sign justice tx"); + let sig = self.signer.sign_justice_transaction(&bumped_tx, i, *amount, &per_commitment_key, htlc, &self.secp_ctx).expect("sign justice tx"); bumped_tx.input[i].witness.push(sig.serialize_der().to_vec()); bumped_tx.input[i].witness[0].push(SigHashType::All as u8); if htlc.is_some() { - bumped_tx.input[i].witness.push(chan_keys.revocation_key.clone().serialize().to_vec()); + bumped_tx.input[i].witness.push(tx_keys.revocation_key.clone().serialize().to_vec()); } else { bumped_tx.input[i].witness.push(vec!(1)); } @@ -627,11 +627,11 @@ impl OnchainTxHandler { } }, &InputMaterial::CounterpartyHTLC { ref per_commitment_point, ref counterparty_delayed_payment_base_key, ref counterparty_htlc_base_key, ref preimage, ref htlc } => { - if let Ok(chan_keys) = TxCreationKeys::derive_new(&self.secp_ctx, &per_commitment_point, counterparty_delayed_payment_base_key, counterparty_htlc_base_key, &self.key_storage.pubkeys().revocation_basepoint, &self.key_storage.pubkeys().htlc_basepoint) { - let witness_script = chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, &chan_keys.broadcaster_htlc_key, &chan_keys.countersignatory_htlc_key, &chan_keys.revocation_key); + if let Ok(tx_keys) = TxCreationKeys::derive_new(&self.secp_ctx, &per_commitment_point, counterparty_delayed_payment_base_key, counterparty_htlc_base_key, &self.signer.pubkeys().revocation_basepoint, &self.signer.pubkeys().htlc_basepoint) { + let witness_script = chan_utils::get_htlc_redeemscript_with_explicit_keys(&htlc, &tx_keys.broadcaster_htlc_key, &tx_keys.countersignatory_htlc_key, &tx_keys.revocation_key); if !preimage.is_some() { bumped_tx.lock_time = htlc.cltv_expiry }; // Right now we don't aggregate time-locked transaction, if we do we should set lock_time before to avoid breaking hash computation - let sig = self.key_storage.sign_counterparty_htlc_transaction(&bumped_tx, i, &htlc.amount_msat / 1000, &per_commitment_point, htlc, &self.secp_ctx).expect("sign counterparty HTLC tx"); + let sig = self.signer.sign_counterparty_htlc_transaction(&bumped_tx, i, &htlc.amount_msat / 1000, &per_commitment_point, htlc, &self.secp_ctx).expect("sign counterparty HTLC tx"); bumped_tx.input[i].witness.push(sig.serialize_der().to_vec()); bumped_tx.input[i].witness[0].push(SigHashType::All as u8); if let &Some(preimage) = preimage { @@ -914,7 +914,7 @@ impl OnchainTxHandler { // ChannelMonitor replica, so we handle that case here. fn sign_latest_holder_htlcs(&mut self) { if self.holder_htlc_sigs.is_none() { - let (_sig, sigs) = self.key_storage.sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("sign holder commitment"); + let (_sig, sigs) = self.signer.sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("sign holder commitment"); self.holder_htlc_sigs = Some(Self::extract_holder_sigs(&self.holder_commitment, sigs)); } } @@ -925,7 +925,7 @@ impl OnchainTxHandler { fn sign_prev_holder_htlcs(&mut self) { if self.prev_holder_htlc_sigs.is_none() { if let Some(ref holder_commitment) = self.prev_holder_commitment { - let (_sig, sigs) = self.key_storage.sign_holder_commitment_and_htlcs(holder_commitment, &self.secp_ctx).expect("sign previous holder commitment"); + let (_sig, sigs) = self.signer.sign_holder_commitment_and_htlcs(holder_commitment, &self.secp_ctx).expect("sign previous holder commitment"); self.prev_holder_htlc_sigs = Some(Self::extract_holder_sigs(holder_commitment, sigs)); } } @@ -946,14 +946,14 @@ impl OnchainTxHandler { // before providing a initial commitment transaction. For outbound channel, init ChannelMonitor at Channel::funding_signed, there is nothing // to monitor before. pub(crate) fn get_fully_signed_holder_tx(&mut self, funding_redeemscript: &Script) -> Transaction { - let (sig, htlc_sigs) = self.key_storage.sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("signing holder commitment"); + let (sig, htlc_sigs) = self.signer.sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("signing holder commitment"); self.holder_htlc_sigs = Some(Self::extract_holder_sigs(&self.holder_commitment, htlc_sigs)); self.holder_commitment.add_holder_sig(funding_redeemscript, sig) } #[cfg(any(test, feature="unsafe_revoked_tx_signing"))] pub(crate) fn get_fully_signed_copy_holder_tx(&mut self, funding_redeemscript: &Script) -> Transaction { - let (sig, htlc_sigs) = self.key_storage.unsafe_sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("sign holder commitment"); + let (sig, htlc_sigs) = self.signer.unsafe_sign_holder_commitment_and_htlcs(&self.holder_commitment, &self.secp_ctx).expect("sign holder commitment"); self.holder_htlc_sigs = Some(Self::extract_holder_sigs(&self.holder_commitment, htlc_sigs)); self.holder_commitment.add_holder_sig(funding_redeemscript, sig) }