X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Fchannel.rs;h=8a50d47cd20607cc72131d52d5544eb1884f60e0;hb=88ce7d6575dd376e98e680d0c0813c7b79151773;hp=740d26448073492e5fcaad20170231a8e9012681;hpb=fa0d015d1f7e597b086e55e9d5652cc17b85b151;p=rust-lightning diff --git a/lightning/src/ln/channel.rs b/lightning/src/ln/channel.rs index 740d2644..8a50d47c 100644 --- a/lightning/src/ln/channel.rs +++ b/lightning/src/ln/channel.rs @@ -37,7 +37,8 @@ use crate::chain::BestBlock; use crate::chain::chaininterface::{FeeEstimator, ConfirmationTarget, LowerBoundedFeeEstimator}; use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateStep, LATENCY_GRACE_PERIOD_BLOCKS, CLOSED_CHANNEL_UPDATE_ID}; use crate::chain::transaction::{OutPoint, TransactionData}; -use crate::sign::{EcdsaChannelSigner, WriteableEcdsaChannelSigner, EntropySource, ChannelSigner, SignerProvider, NodeSigner, Recipient}; +use crate::sign::ecdsa::{EcdsaChannelSigner, WriteableEcdsaChannelSigner}; +use crate::sign::{EntropySource, ChannelSigner, SignerProvider, NodeSigner, Recipient}; use crate::events::ClosureReason; use crate::routing::gossip::NodeId; use crate::util::ser::{Readable, ReadableArgs, Writeable, Writer}; @@ -55,6 +56,8 @@ use core::ops::Deref; use crate::sync::Mutex; use crate::sign::type_resolver::ChannelSignerType; +use super::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint, RevocationBasepoint}; + #[cfg(test)] pub struct ChannelValueStat { pub value_to_self_msat: u64, @@ -645,7 +648,7 @@ pub(super) enum ChannelPhase where SP::Target: SignerProvider { impl<'a, SP: Deref> ChannelPhase where SP::Target: SignerProvider, - ::Signer: ChannelSigner, + ::EcdsaSigner: ChannelSigner, { pub fn context(&'a self) -> &'a ChannelContext { match self { @@ -723,7 +726,7 @@ pub(super) struct ChannelContext where SP::Target: SignerProvider { latest_monitor_update_id: u64, - holder_signer: ChannelSignerType<::Signer>, + holder_signer: ChannelSignerType, shutdown_scriptpubkey: Option, destination_script: ScriptBuf, @@ -1093,7 +1096,7 @@ impl ChannelContext where SP::Target: SignerProvider { /// Returns the holder signer for this channel. #[cfg(test)] - pub fn get_signer(&self) -> &ChannelSignerType<::Signer> { + pub fn get_signer(&self) -> &ChannelSignerType { return &self.holder_signer } @@ -2140,7 +2143,9 @@ impl ChannelContext where SP::Target: SignerProvider { ChannelSignerType::Ecdsa(ecdsa) => { ecdsa.sign_counterparty_commitment(&counterparty_initial_commitment_tx, Vec::new(), &self.secp_ctx) .map(|(sig, _)| sig).ok()? - } + }, + // TODO (taproot|arik) + _ => todo!() }; if self.signer_pending_funding { @@ -2192,7 +2197,9 @@ impl ChannelContext where SP::Target: SignerProvider { // We sign "counterparty" commitment transaction, allowing them to broadcast the tx if they wish. (counterparty_initial_commitment_tx, funding_signed) - } + }, + // TODO (taproot|arik) + _ => todo!() } } } @@ -2271,7 +2278,7 @@ struct CommitmentTxInfoCached { impl Channel where SP::Target: SignerProvider, - ::Signer: WriteableEcdsaChannelSigner + ::EcdsaSigner: WriteableEcdsaChannelSigner { fn check_remote_fee( channel_type: &ChannelTypeFeatures, fee_estimator: &LowerBoundedFeeEstimator, @@ -2667,7 +2674,7 @@ impl Channel where /// If this call is successful, broadcast the funding transaction (and not before!) pub fn funding_signed( &mut self, msg: &msgs::FundingSigned, best_block: BestBlock, signer_provider: &SP, logger: &L - ) -> Result::Signer>, ChannelError> + ) -> Result::EcdsaSigner>, ChannelError> where L::Target: Logger { @@ -3174,9 +3181,9 @@ impl Channel where let htlc_sighashtype = if self.context.channel_type.supports_anchors_zero_fee_htlc_tx() { EcdsaSighashType::SinglePlusAnyoneCanPay } else { EcdsaSighashType::All }; let htlc_sighash = hash_to_message!(&sighash::SighashCache::new(&htlc_tx).segwit_signature_hash(0, &htlc_redeemscript, htlc.amount_msat / 1000, htlc_sighashtype).unwrap()[..]); log_trace!(logger, "Checking HTLC tx signature {} by key {} against tx {} (sighash {}) with redeemscript {} in channel {}.", - log_bytes!(msg.htlc_signatures[idx].serialize_compact()[..]), log_bytes!(keys.countersignatory_htlc_key.serialize()), + log_bytes!(msg.htlc_signatures[idx].serialize_compact()[..]), log_bytes!(keys.countersignatory_htlc_key.to_public_key().serialize()), encode::serialize_hex(&htlc_tx), log_bytes!(htlc_sighash[..]), encode::serialize_hex(&htlc_redeemscript), &self.context.channel_id()); - if let Err(_) = self.context.secp_ctx.verify_ecdsa(&htlc_sighash, &msg.htlc_signatures[idx], &keys.countersignatory_htlc_key) { + if let Err(_) = self.context.secp_ctx.verify_ecdsa(&htlc_sighash, &msg.htlc_signatures[idx], &keys.countersignatory_htlc_key.to_public_key()) { return Err(ChannelError::Close("Invalid HTLC tx signature from peer".to_owned())); } if !separate_nondust_htlc_sources { @@ -3483,7 +3490,9 @@ impl Channel where self.context.cur_counterparty_commitment_transaction_number + 1, &secret ).map_err(|_| ChannelError::Close("Failed to validate revocation from peer".to_owned()))?; - } + }, + // TODO (taproot|arik) + _ => todo!() }; self.context.commitment_secrets.provide_secret(self.context.cur_counterparty_commitment_transaction_number + 1, msg.per_commitment_secret) @@ -4436,7 +4445,9 @@ impl Channel where max_fee_satoshis: our_max_fee, }), }), None, None)) - } + }, + // TODO (taproot|arik) + _ => todo!() } } @@ -4687,7 +4698,9 @@ impl Channel where max_fee_satoshis: our_max_fee, }), }), signed_tx, shutdown_result)) - } + }, + // TODO (taproot|arik) + _ => todo!() } } } @@ -4799,7 +4812,7 @@ impl Channel where } #[cfg(test)] - pub fn get_signer(&self) -> &ChannelSignerType<::Signer> { + pub fn get_signer(&self) -> &ChannelSignerType { &self.context.holder_signer } @@ -5318,7 +5331,9 @@ impl Channel where node_signature: our_node_sig, bitcoin_signature: our_bitcoin_sig, }) - } + }, + // TODO (taproot|arik) + _ => todo!() } } @@ -5345,7 +5360,9 @@ impl Channel where bitcoin_signature_2: if were_node_one { their_bitcoin_sig } else { our_bitcoin_sig }, contents: announcement, }) - } + }, + // TODO (taproot|arik) + _ => todo!() } } else { Err(ChannelError::Ignore("Attempted to sign channel announcement before we'd received announcement_signatures".to_string())) @@ -5706,7 +5723,7 @@ impl Channel where log_trace!(logger, "Signed remote HTLC tx {} with redeemscript {} with pubkey {} -> {} in channel {}", encode::serialize_hex(&chan_utils::build_htlc_transaction(&counterparty_commitment_txid, commitment_stats.feerate_per_kw, self.context.get_holder_selected_contest_delay(), htlc, &self.context.channel_type, &counterparty_keys.broadcaster_delayed_payment_key, &counterparty_keys.revocation_key)), encode::serialize_hex(&chan_utils::get_htlc_redeemscript(&htlc, &self.context.channel_type, &counterparty_keys)), - log_bytes!(counterparty_keys.broadcaster_htlc_key.serialize()), + log_bytes!(counterparty_keys.broadcaster_htlc_key.to_public_key().serialize()), log_bytes!(htlc_sig.serialize_compact()[..]), &self.context.channel_id()); } } @@ -5718,7 +5735,9 @@ impl Channel where #[cfg(taproot)] partial_signature_with_nonce: None, }, (counterparty_commitment_txid, commitment_stats.htlcs_included))) - } + }, + // TODO (taproot|arik) + _ => todo!() } } @@ -5960,7 +5979,7 @@ impl OutboundV1Channel where SP::Target: SignerProvider { } } - let destination_script = match signer_provider.get_destination_script() { + let destination_script = match signer_provider.get_destination_script(channel_keys_id) { Ok(script) => script, Err(_) => return Err(APIError::ChannelUnavailable { err: "Failed to get destination script".to_owned()}), }; @@ -6242,10 +6261,10 @@ impl OutboundV1Channel where SP::Target: SignerProvider { to_self_delay: self.context.get_holder_selected_contest_delay(), max_accepted_htlcs: self.context.holder_max_accepted_htlcs, funding_pubkey: keys.funding_pubkey, - revocation_basepoint: keys.revocation_basepoint, + revocation_basepoint: keys.revocation_basepoint.to_public_key(), payment_point: keys.payment_point, - delayed_payment_basepoint: keys.delayed_payment_basepoint, - htlc_basepoint: keys.htlc_basepoint, + delayed_payment_basepoint: keys.delayed_payment_basepoint.to_public_key(), + htlc_basepoint: keys.htlc_basepoint.to_public_key(), first_per_commitment_point, channel_flags: if self.context.config.announced_channel {1} else {0}, shutdown_scriptpubkey: Some(match &self.context.shutdown_scriptpubkey { @@ -6367,10 +6386,10 @@ impl OutboundV1Channel where SP::Target: SignerProvider { let counterparty_pubkeys = ChannelPublicKeys { funding_pubkey: msg.funding_pubkey, - revocation_basepoint: msg.revocation_basepoint, + revocation_basepoint: RevocationBasepoint::from(msg.revocation_basepoint), payment_point: msg.payment_point, - delayed_payment_basepoint: msg.delayed_payment_basepoint, - htlc_basepoint: msg.htlc_basepoint + delayed_payment_basepoint: DelayedPaymentBasepoint::from(msg.delayed_payment_basepoint), + htlc_basepoint: HtlcBasepoint::from(msg.htlc_basepoint) }; self.context.channel_transaction_parameters.counterparty_parameters = Some(CounterpartyChannelTransactionParameters { @@ -6443,10 +6462,10 @@ impl InboundV1Channel where SP::Target: SignerProvider { let pubkeys = holder_signer.pubkeys().clone(); let counterparty_pubkeys = ChannelPublicKeys { funding_pubkey: msg.funding_pubkey, - revocation_basepoint: msg.revocation_basepoint, + revocation_basepoint: RevocationBasepoint::from(msg.revocation_basepoint), payment_point: msg.payment_point, - delayed_payment_basepoint: msg.delayed_payment_basepoint, - htlc_basepoint: msg.htlc_basepoint + delayed_payment_basepoint: DelayedPaymentBasepoint::from(msg.delayed_payment_basepoint), + htlc_basepoint: HtlcBasepoint::from(msg.htlc_basepoint) }; if config.channel_handshake_config.our_to_self_delay < BREAKDOWN_TIMEOUT { @@ -6587,7 +6606,7 @@ impl InboundV1Channel where SP::Target: SignerProvider { } } - let destination_script = match signer_provider.get_destination_script() { + let destination_script = match signer_provider.get_destination_script(channel_keys_id) { Ok(script) => script, Err(_) => return Err(ChannelError::Close("Failed to get destination script".to_owned())), }; @@ -6776,10 +6795,10 @@ impl InboundV1Channel where SP::Target: SignerProvider { to_self_delay: self.context.get_holder_selected_contest_delay(), max_accepted_htlcs: self.context.holder_max_accepted_htlcs, funding_pubkey: keys.funding_pubkey, - revocation_basepoint: keys.revocation_basepoint, + revocation_basepoint: keys.revocation_basepoint.to_public_key(), payment_point: keys.payment_point, - delayed_payment_basepoint: keys.delayed_payment_basepoint, - htlc_basepoint: keys.htlc_basepoint, + delayed_payment_basepoint: keys.delayed_payment_basepoint.to_public_key(), + htlc_basepoint: keys.htlc_basepoint.to_public_key(), first_per_commitment_point, shutdown_scriptpubkey: Some(match &self.context.shutdown_scriptpubkey { Some(script) => script.clone().into_inner(), @@ -6820,7 +6839,7 @@ impl InboundV1Channel where SP::Target: SignerProvider { pub fn funding_created( mut self, msg: &msgs::FundingCreated, best_block: BestBlock, signer_provider: &SP, logger: &L - ) -> Result<(Channel, Option, ChannelMonitor<::Signer>), (Self, ChannelError)> + ) -> Result<(Channel, Option, ChannelMonitor<::EcdsaSigner>), (Self, ChannelError)> where L::Target: Logger { @@ -7806,15 +7825,15 @@ mod tests { use bitcoin::blockdata::opcodes; use bitcoin::network::constants::Network; use crate::ln::PaymentHash; - use crate::ln::channelmanager::{self, HTLCSource, PaymentId}; + use crate::ln::channel_keys::{RevocationKey, RevocationBasepoint}; +use crate::ln::channelmanager::{self, HTLCSource, PaymentId}; use crate::ln::channel::InitFeatures; use crate::ln::channel::{ChannelState, InboundHTLCOutput, OutboundV1Channel, InboundV1Channel, OutboundHTLCOutput, InboundHTLCState, OutboundHTLCState, HTLCCandidate, HTLCInitiator, commit_tx_fee_msat}; use crate::ln::channel::{MAX_FUNDING_SATOSHIS_NO_WUMBO, TOTAL_BITCOIN_SUPPLY_SATOSHIS, MIN_THEIR_CHAN_RESERVE_SATOSHIS}; use crate::ln::features::ChannelTypeFeatures; use crate::ln::msgs::{ChannelUpdate, DecodeError, UnsignedChannelUpdate, MAX_VALUE_MSAT}; use crate::ln::script::ShutdownScript; - use crate::ln::chan_utils; - use crate::ln::chan_utils::{htlc_success_tx_weight, htlc_timeout_tx_weight}; + use crate::ln::chan_utils::{self, htlc_success_tx_weight, htlc_timeout_tx_weight}; use crate::chain::BestBlock; use crate::chain::chaininterface::{FeeEstimator, LowerBoundedFeeEstimator, ConfirmationTarget}; use crate::sign::{ChannelSigner, InMemorySigner, EntropySource, SignerProvider}; @@ -7860,19 +7879,21 @@ mod tests { } impl SignerProvider for Keys { - type Signer = InMemorySigner; + type EcdsaSigner = InMemorySigner; + #[cfg(taproot)] + type TaprootSigner = InMemorySigner; fn generate_channel_keys_id(&self, _inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] { self.signer.channel_keys_id() } - fn derive_channel_signer(&self, _channel_value_satoshis: u64, _channel_keys_id: [u8; 32]) -> Self::Signer { + fn derive_channel_signer(&self, _channel_value_satoshis: u64, _channel_keys_id: [u8; 32]) -> Self::EcdsaSigner { self.signer.clone() } - fn read_chan_signer(&self, _data: &[u8]) -> Result { panic!(); } + fn read_chan_signer(&self, _data: &[u8]) -> Result { panic!(); } - fn get_destination_script(&self) -> Result { + fn get_destination_script(&self, _channel_keys_id: [u8; 32]) -> Result { let secp_ctx = Secp256k1::signing_only(); let channel_monitor_claim_key = SecretKey::from_slice(&>::from_hex("0fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()[..]).unwrap(); let channel_monitor_claim_key_hash = WPubkeyHash::hash(&PublicKey::from_secret_key(&secp_ctx, &channel_monitor_claim_key).serialize()); @@ -8341,9 +8362,10 @@ mod tests { use bitcoin::hashes::hex::FromHex; use bitcoin::hash_types::Txid; use bitcoin::secp256k1::Message; - use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, EcdsaChannelSigner}; + use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, ecdsa::EcdsaChannelSigner}; use crate::ln::PaymentPreimage; use crate::ln::channel::{HTLCOutputInCommitment ,TxCreationKeys}; + use crate::ln::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint}; use crate::ln::chan_utils::{ChannelPublicKeys, HolderCommitmentTransaction, CounterpartyChannelTransactionParameters}; use crate::util::logger::Logger; use crate::sync::Arc; @@ -8385,10 +8407,10 @@ mod tests { let counterparty_pubkeys = ChannelPublicKeys { funding_pubkey: public_from_secret_hex(&secp_ctx, "1552dfba4f6cf29a62a0af13c8d6981d36d0ef8d61ba10fb0fe90da7634d7e13"), - revocation_basepoint: PublicKey::from_slice(&>::from_hex("02466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f27").unwrap()[..]).unwrap(), + revocation_basepoint: RevocationBasepoint::from(PublicKey::from_slice(&>::from_hex("02466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f27").unwrap()[..]).unwrap()), payment_point: public_from_secret_hex(&secp_ctx, "4444444444444444444444444444444444444444444444444444444444444444"), - delayed_payment_basepoint: public_from_secret_hex(&secp_ctx, "1552dfba4f6cf29a62a0af13c8d6981d36d0ef8d61ba10fb0fe90da7634d7e13"), - htlc_basepoint: public_from_secret_hex(&secp_ctx, "4444444444444444444444444444444444444444444444444444444444444444") + delayed_payment_basepoint: DelayedPaymentBasepoint::from(public_from_secret_hex(&secp_ctx, "1552dfba4f6cf29a62a0af13c8d6981d36d0ef8d61ba10fb0fe90da7634d7e13")), + htlc_basepoint: HtlcBasepoint::from(public_from_secret_hex(&secp_ctx, "4444444444444444444444444444444444444444444444444444444444444444")) }; chan.context.channel_transaction_parameters.counterparty_parameters = Some( CounterpartyChannelTransactionParameters { @@ -8404,7 +8426,7 @@ mod tests { assert_eq!(counterparty_pubkeys.funding_pubkey.serialize()[..], >::from_hex("030e9f7b623d2ccc7c9bd44d66d5ce21ce504c0acf6385a132cec6d3c39fa711c1").unwrap()[..]); - assert_eq!(counterparty_pubkeys.htlc_basepoint.serialize()[..], + assert_eq!(counterparty_pubkeys.htlc_basepoint.to_public_key().serialize()[..], >::from_hex("032c0b7cf95324a07d05398b240174dc0c2be444d96b159aa6c7f7b1e668680991").unwrap()[..]); // We can't just use build_holder_transaction_keys here as the per_commitment_secret is not @@ -8489,7 +8511,7 @@ mod tests { let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&htlc, $opt_anchors, &keys); let htlc_sighashtype = if $opt_anchors.supports_anchors_zero_fee_htlc_tx() { EcdsaSighashType::SinglePlusAnyoneCanPay } else { EcdsaSighashType::All }; let htlc_sighash = Message::from_slice(&sighash::SighashCache::new(&htlc_tx).segwit_signature_hash(0, &htlc_redeemscript, htlc.amount_msat / 1000, htlc_sighashtype).unwrap()[..]).unwrap(); - assert!(secp_ctx.verify_ecdsa(&htlc_sighash, &remote_signature, &keys.countersignatory_htlc_key).is_ok(), "verify counterparty htlc sig"); + assert!(secp_ctx.verify_ecdsa(&htlc_sighash, &remote_signature, &keys.countersignatory_htlc_key.to_public_key()).is_ok(), "verify counterparty htlc sig"); let mut preimage: Option = None; if !htlc.offered { @@ -9083,7 +9105,7 @@ mod tests { assert_eq!(chan_utils::build_commitment_secret(&seed, 1), >::from_hex("915c75942a26bb3a433a8ce2cb0427c29ec6c1775cfc78328b57f6ba7bfeaa9c").unwrap()[..]); } - + #[test] fn test_key_derivation() { // Test vectors from BOLT 3 Appendix E: @@ -9098,13 +9120,10 @@ mod tests { let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &per_commitment_secret); assert_eq!(per_commitment_point.serialize()[..], >::from_hex("025f7117a78150fe2ef97db7cfc83bd57b2e2c0d0dd25eaf467a4a1c2a45ce1486").unwrap()[..]); - assert_eq!(chan_utils::derive_public_key(&secp_ctx, &per_commitment_point, &base_point).serialize()[..], - >::from_hex("0235f2dbfaa89b57ec7b055afe29849ef7ddfeb1cefdb9ebdc43f5494984db29e5").unwrap()[..]); - assert_eq!(chan_utils::derive_private_key(&secp_ctx, &per_commitment_point, &base_secret), SecretKey::from_slice(&>::from_hex("cbced912d3b21bf196a766651e436aff192362621ce317704ea2f75d87e7be0f").unwrap()[..]).unwrap()); - assert_eq!(chan_utils::derive_public_revocation_key(&secp_ctx, &per_commitment_point, &base_point).serialize()[..], + assert_eq!(RevocationKey::from_basepoint(&secp_ctx, &RevocationBasepoint::from(base_point), &per_commitment_point).to_public_key().serialize()[..], >::from_hex("02916e326636d19c33f13e8c0c3a03dd157f332f3e99c317c141dd865eb01f8ff0").unwrap()[..]); assert_eq!(chan_utils::derive_private_revocation_key(&secp_ctx, &per_commitment_secret, &base_secret),