From: Jeffrey Czyz Date: Fri, 10 May 2024 19:32:48 +0000 (-0500) Subject: Remove WriteableEcdsaChannelSigner trait X-Git-Tag: v0.0.124-beta~123^2 X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=efc75794f40f8cc40e249f9b916936ab4fba7d59;p=rust-lightning Remove WriteableEcdsaChannelSigner trait WriteableEcdsaChannelSigner is no longer needed now that EcdsaChannelSigner isn't written in OnchainTxHandler. --- diff --git a/lightning/src/chain/chainmonitor.rs b/lightning/src/chain/chainmonitor.rs index b47fd3908..04f72d4ce 100644 --- a/lightning/src/chain/chainmonitor.rs +++ b/lightning/src/chain/chainmonitor.rs @@ -32,7 +32,7 @@ use crate::chain::chaininterface::{BroadcasterInterface, FeeEstimator}; use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, Balance, MonitorEvent, TransactionOutputs, WithChannelMonitor}; use crate::chain::transaction::{OutPoint, TransactionData}; use crate::ln::types::ChannelId; -use crate::sign::ecdsa::WriteableEcdsaChannelSigner; +use crate::sign::ecdsa::EcdsaChannelSigner; use crate::events; use crate::events::{Event, EventHandler}; use crate::util::logger::{Logger, WithContext}; @@ -101,7 +101,7 @@ use bitcoin::secp256k1::PublicKey; /// /// [`TrustedCommitmentTransaction::revokeable_output_index`]: crate::ln::chan_utils::TrustedCommitmentTransaction::revokeable_output_index /// [`TrustedCommitmentTransaction::build_to_local_justice_tx`]: crate::ln::chan_utils::TrustedCommitmentTransaction::build_to_local_justice_tx -pub trait Persist { +pub trait Persist { /// Persist a new channel's data in response to a [`chain::Watch::watch_channel`] call. This is /// called by [`ChannelManager`] for new channels, or may be called directly, e.g. on startup. /// @@ -163,7 +163,7 @@ pub trait Persist { fn archive_persisted_channel(&self, channel_funding_outpoint: OutPoint); } -struct MonitorHolder { +struct MonitorHolder { monitor: ChannelMonitor, /// The full set of pending monitor updates for this Channel. /// @@ -174,7 +174,7 @@ struct MonitorHolder { pending_monitor_updates: Mutex>, } -impl MonitorHolder { +impl MonitorHolder { fn has_pending_updates(&self, pending_monitor_updates_lock: &MutexGuard>) -> bool { !pending_monitor_updates_lock.is_empty() } @@ -184,12 +184,12 @@ impl MonitorHolder { /// /// Note that this holds a mutex in [`ChainMonitor`] and may block other events until it is /// released. -pub struct LockedChannelMonitor<'a, ChannelSigner: WriteableEcdsaChannelSigner> { +pub struct LockedChannelMonitor<'a, ChannelSigner: EcdsaChannelSigner> { lock: RwLockReadGuard<'a, HashMap>>, funding_txo: OutPoint, } -impl Deref for LockedChannelMonitor<'_, ChannelSigner> { +impl Deref for LockedChannelMonitor<'_, ChannelSigner> { type Target = ChannelMonitor; fn deref(&self) -> &ChannelMonitor { &self.lock.get(&self.funding_txo).expect("Checked at construction").monitor @@ -212,7 +212,7 @@ impl Deref for LockedChannelMonitor< /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager /// [module-level documentation]: crate::chain::chainmonitor /// [`rebroadcast_pending_claims`]: Self::rebroadcast_pending_claims -pub struct ChainMonitor +pub struct ChainMonitor where C::Target: chain::Filter, T::Target: BroadcasterInterface, F::Target: FeeEstimator, @@ -236,7 +236,7 @@ pub struct ChainMonitor ChainMonitor +impl ChainMonitor where C::Target: chain::Filter, T::Target: BroadcasterInterface, F::Target: FeeEstimator, @@ -623,7 +623,7 @@ where C::Target: chain::Filter, } } -impl +impl chain::Listen for ChainMonitor where C::Target: chain::Filter, @@ -652,7 +652,7 @@ where } } -impl +impl chain::Confirm for ChainMonitor where C::Target: chain::Filter, @@ -706,7 +706,7 @@ where } } -impl +impl chain::Watch for ChainMonitor where C::Target: chain::Filter, T::Target: BroadcasterInterface, @@ -841,7 +841,7 @@ where C::Target: chain::Filter, } } -impl events::EventsProvider for ChainMonitor +impl events::EventsProvider for ChainMonitor where C::Target: chain::Filter, T::Target: BroadcasterInterface, F::Target: FeeEstimator, diff --git a/lightning/src/chain/channelmonitor.rs b/lightning/src/chain/channelmonitor.rs index 6bb79a73a..3ca15e483 100644 --- a/lightning/src/chain/channelmonitor.rs +++ b/lightning/src/chain/channelmonitor.rs @@ -43,7 +43,7 @@ use crate::chain; use crate::chain::{BestBlock, WatchedOutput}; use crate::chain::chaininterface::{BroadcasterInterface, FeeEstimator, LowerBoundedFeeEstimator}; use crate::chain::transaction::{OutPoint, TransactionData}; -use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, SpendableOutputDescriptor, StaticPaymentOutputDescriptor, DelayedPaymentOutputDescriptor, ecdsa::WriteableEcdsaChannelSigner, SignerProvider, EntropySource}; +use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, SpendableOutputDescriptor, StaticPaymentOutputDescriptor, DelayedPaymentOutputDescriptor, ecdsa::EcdsaChannelSigner, SignerProvider, EntropySource}; use crate::chain::onchaintx::{ClaimEvent, FeerateStrategy, OnchainTxHandler}; use crate::chain::package::{CounterpartyOfferedHTLCOutput, CounterpartyReceivedHTLCOutput, HolderFundingOutput, HolderHTLCOutput, PackageSolvingData, PackageTemplate, RevokedOutput, RevokedHTLCOutput}; use crate::chain::Filter; @@ -774,14 +774,14 @@ impl Readable for IrrevocablyResolvedHTLC { /// the "reorg path" (ie disconnecting blocks until you find a common ancestor from both the /// returned block hash and the the current chain and then reconnecting blocks to get to the /// best chain) upon deserializing the object! -pub struct ChannelMonitor { +pub struct ChannelMonitor { #[cfg(test)] pub(crate) inner: Mutex>, #[cfg(not(test))] pub(super) inner: Mutex>, } -impl Clone for ChannelMonitor where Signer: Clone { +impl Clone for ChannelMonitor where Signer: Clone { fn clone(&self) -> Self { let inner = self.inner.lock().unwrap().clone(); ChannelMonitor::from_impl(inner) @@ -789,7 +789,7 @@ impl Clone for ChannelMonitor where } #[derive(Clone, PartialEq)] -pub(crate) struct ChannelMonitorImpl { +pub(crate) struct ChannelMonitorImpl { latest_update_id: u64, commitment_transaction_number_obscure_factor: u64, @@ -943,7 +943,7 @@ pub(crate) struct ChannelMonitorImpl { /// Transaction outputs to watch for on-chain spends. pub type TransactionOutputs = (Txid, Vec<(u32, TxOut)>); -impl PartialEq for ChannelMonitor where Signer: PartialEq { +impl PartialEq for ChannelMonitor where Signer: PartialEq { fn eq(&self, other: &Self) -> bool { // We need some kind of total lockorder. Absent a better idea, we sort by position in // memory and take locks in that order (assuming that we can't move within memory while a @@ -955,7 +955,7 @@ impl PartialEq for ChannelMonitor w } } -impl Writeable for ChannelMonitor { +impl Writeable for ChannelMonitor { fn write(&self, writer: &mut W) -> Result<(), Error> { self.inner.lock().unwrap().write(writer) } @@ -965,7 +965,7 @@ impl Writeable for ChannelMonitor { const SERIALIZATION_VERSION: u8 = 1; const MIN_SERIALIZATION_VERSION: u8 = 1; -impl Writeable for ChannelMonitorImpl { +impl Writeable for ChannelMonitorImpl { fn write(&self, writer: &mut W) -> Result<(), Error> { write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION); @@ -1208,11 +1208,11 @@ impl<'a, L: Deref> Logger for WithChannelMonitor<'a, L> where L::Target: Logger } impl<'a, L: Deref> WithChannelMonitor<'a, L> where L::Target: Logger { - pub(crate) fn from(logger: &'a L, monitor: &ChannelMonitor, payment_hash: Option) -> Self { + pub(crate) fn from(logger: &'a L, monitor: &ChannelMonitor, payment_hash: Option) -> Self { Self::from_impl(logger, &*monitor.inner.lock().unwrap(), payment_hash) } - pub(crate) fn from_impl(logger: &'a L, monitor_impl: &ChannelMonitorImpl, payment_hash: Option) -> Self { + pub(crate) fn from_impl(logger: &'a L, monitor_impl: &ChannelMonitorImpl, payment_hash: Option) -> Self { let peer_id = monitor_impl.counterparty_node_id; let channel_id = Some(monitor_impl.channel_id()); WithChannelMonitor { @@ -1221,7 +1221,7 @@ impl<'a, L: Deref> WithChannelMonitor<'a, L> where L::Target: Logger { } } -impl ChannelMonitor { +impl ChannelMonitor { /// For lockorder enforcement purposes, we need to have a single site which constructs the /// `inner` mutex, otherwise cases where we lock two monitors at the same time (eg in our /// PartialEq implementation) we may decide a lockorder violation has occurred. @@ -1929,7 +1929,7 @@ impl ChannelMonitor { } } -impl ChannelMonitorImpl { +impl ChannelMonitorImpl { /// Helper for get_claimable_balances which does the work for an individual HTLC, generating up /// to one `Balance` for the HTLC. fn get_htlc_balance(&self, htlc: &HTLCOutputInCommitment, holder_commitment: bool, @@ -2108,7 +2108,7 @@ impl ChannelMonitorImpl { } } -impl ChannelMonitor { +impl ChannelMonitor { /// Gets the balances in this channel which are either claimable by us if we were to /// force-close the channel now or which are claimable on-chain (possibly awaiting /// confirmation). @@ -2520,7 +2520,7 @@ pub fn deliberately_bogus_accepted_htlc_witness() -> Vec> { vec![Vec::new(), Vec::new(), Vec::new(), Vec::new(), deliberately_bogus_accepted_htlc_witness_program().into()].into() } -impl ChannelMonitorImpl { +impl ChannelMonitorImpl { /// Inserts a revocation secret into this channel monitor. Prunes old preimages if neither /// needed by holder commitment transactions HTCLs nor by counterparty ones. Unless we haven't already seen /// counterparty commitment transaction's secret, they are de facto pruned (we can use revocation key). @@ -4429,7 +4429,7 @@ impl ChannelMonitorImpl { } } -impl chain::Listen for (ChannelMonitor, T, F, L) +impl chain::Listen for (ChannelMonitor, T, F, L) where T::Target: BroadcasterInterface, F::Target: FeeEstimator, @@ -4444,7 +4444,7 @@ where } } -impl chain::Confirm for (M, T, F, L) +impl chain::Confirm for (M, T, F, L) where M: Deref>, T::Target: BroadcasterInterface, diff --git a/lightning/src/chain/mod.rs b/lightning/src/chain/mod.rs index a8afc7a1a..8639e268d 100644 --- a/lightning/src/chain/mod.rs +++ b/lightning/src/chain/mod.rs @@ -18,7 +18,7 @@ use bitcoin::secp256k1::PublicKey; use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, MonitorEvent}; use crate::ln::types::ChannelId; -use crate::sign::ecdsa::WriteableEcdsaChannelSigner; +use crate::sign::ecdsa::EcdsaChannelSigner; use crate::chain::transaction::{OutPoint, TransactionData}; use crate::impl_writeable_tlv_based; @@ -257,7 +257,7 @@ pub enum ChannelMonitorUpdateStatus { /// application crashes. /// /// See method documentation and [`ChannelMonitorUpdateStatus`] for specific requirements. -pub trait Watch { +pub trait Watch { /// Watches a channel identified by `funding_txo` using `monitor`. /// /// Implementations are responsible for watching the chain for the funding transaction along diff --git a/lightning/src/chain/onchaintx.rs b/lightning/src/chain/onchaintx.rs index 780375d68..f66258c2c 100644 --- a/lightning/src/chain/onchaintx.rs +++ b/lightning/src/chain/onchaintx.rs @@ -23,7 +23,7 @@ use bitcoin::secp256k1::{Secp256k1, ecdsa::Signature}; use bitcoin::secp256k1; use crate::chain::chaininterface::compute_feerate_sat_per_1000_weight; -use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, ChannelSigner, EntropySource, SignerProvider, ecdsa::WriteableEcdsaChannelSigner}; +use crate::sign::{ChannelDerivationParameters, HTLCDescriptor, ChannelSigner, EntropySource, SignerProvider, ecdsa::EcdsaChannelSigner}; use crate::ln::msgs::DecodeError; use crate::ln::types::PaymentPreimage; use crate::ln::chan_utils::{self, ChannelTransactionParameters, HTLCOutputInCommitment, HolderCommitmentTransaction}; @@ -225,7 +225,7 @@ pub(crate) enum FeerateStrategy { /// OnchainTxHandler receives claiming requests, aggregates them if it's sound, broadcast and /// do RBF bumping if possible. #[derive(Clone)] -pub struct OnchainTxHandler { +pub struct OnchainTxHandler { channel_value_satoshis: u64, channel_keys_id: [u8; 32], destination_script: ScriptBuf, @@ -281,7 +281,7 @@ pub struct OnchainTxHandler { pub(super) secp_ctx: Secp256k1, } -impl PartialEq for OnchainTxHandler { +impl PartialEq for OnchainTxHandler { fn eq(&self, other: &Self) -> bool { // `signer`, `secp_ctx`, and `pending_claim_events` are excluded on purpose. self.channel_value_satoshis == other.channel_value_satoshis && @@ -300,7 +300,7 @@ impl PartialEq for OnchainTxHandler< const SERIALIZATION_VERSION: u8 = 1; const MIN_SERIALIZATION_VERSION: u8 = 1; -impl OnchainTxHandler { +impl OnchainTxHandler { pub(crate) fn write(&self, writer: &mut W) -> Result<(), io::Error> { write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION); @@ -440,7 +440,7 @@ impl<'a, 'b, ES: EntropySource, SP: SignerProvider> ReadableArgs<(&'a ES, &'b SP } } -impl OnchainTxHandler { +impl OnchainTxHandler { pub(crate) fn new( channel_value_satoshis: u64, channel_keys_id: [u8; 32], destination_script: ScriptBuf, signer: ChannelSigner, channel_parameters: ChannelTransactionParameters, diff --git a/lightning/src/chain/package.rs b/lightning/src/chain/package.rs index 1bbcd6e04..3c800a358 100644 --- a/lightning/src/chain/package.rs +++ b/lightning/src/chain/package.rs @@ -29,7 +29,7 @@ use crate::ln::channel_keys::{DelayedPaymentBasepoint, HtlcBasepoint}; use crate::ln::msgs::DecodeError; use crate::chain::chaininterface::{FeeEstimator, ConfirmationTarget, MIN_RELAY_FEE_SAT_PER_1000_WEIGHT, compute_feerate_sat_per_1000_weight, FEERATE_FLOOR_SATS_PER_KW}; use crate::chain::transaction::MaybeSignedTransaction; -use crate::sign::ecdsa::WriteableEcdsaChannelSigner; +use crate::sign::ecdsa::EcdsaChannelSigner; use crate::chain::onchaintx::{FeerateStrategy, ExternalHTLCClaim, OnchainTxHandler}; use crate::util::logger::Logger; use crate::util::ser::{Readable, Writer, Writeable, RequiredWrapper}; @@ -580,7 +580,7 @@ impl PackageSolvingData { witness: Witness::new(), } } - fn finalize_input(&self, bumped_tx: &mut Transaction, i: usize, onchain_handler: &mut OnchainTxHandler) -> bool { + fn finalize_input(&self, bumped_tx: &mut Transaction, i: usize, onchain_handler: &mut OnchainTxHandler) -> bool { match self { PackageSolvingData::RevokedOutput(ref outp) => { let chan_keys = TxCreationKeys::derive_new(&onchain_handler.secp_ctx, &outp.per_commitment_point, &outp.counterparty_delayed_payment_base_key, &outp.counterparty_htlc_base_key, &onchain_handler.signer.pubkeys().revocation_basepoint, &onchain_handler.signer.pubkeys().htlc_basepoint); @@ -635,7 +635,7 @@ impl PackageSolvingData { } true } - fn get_maybe_finalized_tx(&self, outpoint: &BitcoinOutPoint, onchain_handler: &mut OnchainTxHandler) -> Option { + fn get_maybe_finalized_tx(&self, outpoint: &BitcoinOutPoint, onchain_handler: &mut OnchainTxHandler) -> Option { match self { PackageSolvingData::HolderHTLCOutput(ref outp) => { debug_assert!(!outp.channel_type_features.supports_anchors_zero_fee_htlc_tx()); @@ -892,7 +892,7 @@ impl PackageTemplate { let output_weight = (8 + 1 + destination_script.len()) * WITNESS_SCALE_FACTOR; (inputs_weight + witnesses_weight + transaction_weight + output_weight) as u64 } - pub(crate) fn construct_malleable_package_with_external_funding( + pub(crate) fn construct_malleable_package_with_external_funding( &self, onchain_handler: &mut OnchainTxHandler, ) -> Option> { debug_assert!(self.requires_external_funding()); @@ -910,7 +910,7 @@ impl PackageTemplate { } htlcs } - pub(crate) fn maybe_finalize_malleable_package( + pub(crate) fn maybe_finalize_malleable_package( &self, current_height: u32, onchain_handler: &mut OnchainTxHandler, value: u64, destination_script: ScriptBuf, logger: &L ) -> Option { @@ -933,7 +933,7 @@ impl PackageTemplate { } Some(MaybeSignedTransaction(bumped_tx)) } - pub(crate) fn maybe_finalize_untractable_package( + pub(crate) fn maybe_finalize_untractable_package( &self, onchain_handler: &mut OnchainTxHandler, logger: &L, ) -> Option { debug_assert!(!self.is_malleable()); diff --git a/lightning/src/events/bump_transaction.rs b/lightning/src/events/bump_transaction.rs index 9c24e00f1..836017faf 100644 --- a/lightning/src/events/bump_transaction.rs +++ b/lightning/src/events/bump_transaction.rs @@ -28,7 +28,7 @@ use crate::prelude::*; use crate::sign::{ ChannelDerivationParameters, HTLCDescriptor, SignerProvider, P2WPKH_WITNESS_WEIGHT }; -use crate::sign::ecdsa::{EcdsaChannelSigner, WriteableEcdsaChannelSigner}; +use crate::sign::ecdsa::EcdsaChannelSigner; use crate::sync::Mutex; use crate::util::logger::Logger; @@ -92,7 +92,7 @@ impl AnchorDescriptor { } /// Derives the channel signer required to sign the anchor input. - pub fn derive_channel_signer(&self, signer_provider: &SP) -> S + pub fn derive_channel_signer(&self, signer_provider: &SP) -> S where SP::Target: SignerProvider { diff --git a/lightning/src/ln/channel.rs b/lightning/src/ln/channel.rs index ff030514a..5fbdb595b 100644 --- a/lightning/src/ln/channel.rs +++ b/lightning/src/ln/channel.rs @@ -37,7 +37,7 @@ 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::ecdsa::{EcdsaChannelSigner, WriteableEcdsaChannelSigner}; +use crate::sign::ecdsa::EcdsaChannelSigner; use crate::sign::{EntropySource, ChannelSigner, SignerProvider, NodeSigner, Recipient}; use crate::events::ClosureReason; use crate::routing::gossip::NodeId; @@ -3670,7 +3670,7 @@ impl FailHTLCMessageName for msgs::UpdateFailMalformedHTLC { impl Channel where SP::Target: SignerProvider, - ::EcdsaSigner: WriteableEcdsaChannelSigner + ::EcdsaSigner: EcdsaChannelSigner { fn check_remote_fee( channel_type: &ChannelTypeFeatures, fee_estimator: &LowerBoundedFeeEstimator, diff --git a/lightning/src/ln/channelmanager.rs b/lightning/src/ln/channelmanager.rs index c867fdc35..d2b7166a5 100644 --- a/lightning/src/ln/channelmanager.rs +++ b/lightning/src/ln/channelmanager.rs @@ -68,7 +68,7 @@ use crate::offers::refund::{Refund, RefundBuilder}; use crate::onion_message::messenger::{new_pending_onion_message, Destination, MessageRouter, PendingOnionMessage, Responder, ResponseInstruction}; use crate::onion_message::offers::{OffersMessage, OffersMessageHandler}; use crate::sign::{EntropySource, NodeSigner, Recipient, SignerProvider}; -use crate::sign::ecdsa::WriteableEcdsaChannelSigner; +use crate::sign::ecdsa::EcdsaChannelSigner; use crate::util::config::{UserConfig, ChannelConfig, ChannelConfigUpdate}; use crate::util::wakers::{Future, Notifier}; use crate::util::scid_utils::fake_scid; @@ -1061,8 +1061,8 @@ pub trait AChannelManager { type NodeSigner: NodeSigner + ?Sized; /// A type that may be dereferenced to [`Self::NodeSigner`]. type NS: Deref; - /// A type implementing [`WriteableEcdsaChannelSigner`]. - type Signer: WriteableEcdsaChannelSigner + Sized; + /// A type implementing [`EcdsaChannelSigner`]. + type Signer: EcdsaChannelSigner + Sized; /// A type implementing [`SignerProvider`] for [`Self::Signer`]. type SignerProvider: SignerProvider + ?Sized; /// A type that may be dereferenced to [`Self::SignerProvider`]. diff --git a/lightning/src/sign/ecdsa.rs b/lightning/src/sign/ecdsa.rs index a0409e545..df2b40332 100644 --- a/lightning/src/sign/ecdsa.rs +++ b/lightning/src/sign/ecdsa.rs @@ -11,7 +11,6 @@ use crate::ln::chan_utils::{ }; use crate::ln::msgs::UnsignedChannelAnnouncement; use crate::ln::types::PaymentPreimage; -use crate::util::ser::Writeable; #[allow(unused_imports)] use crate::prelude::*; @@ -211,12 +210,3 @@ pub trait EcdsaChannelSigner: ChannelSigner { &self, msg: &UnsignedChannelAnnouncement, secp_ctx: &Secp256k1, ) -> Result; } - -/// A writeable signer. -/// -/// There will always be two instances of a signer per channel, one occupied by the -/// [`ChannelManager`] and another by the channel's [`ChannelMonitor`]. -/// -/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager -/// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor -pub trait WriteableEcdsaChannelSigner: EcdsaChannelSigner + Writeable {} diff --git a/lightning/src/sign/mod.rs b/lightning/src/sign/mod.rs index 79edf0aed..abc40607d 100644 --- a/lightning/src/sign/mod.rs +++ b/lightning/src/sign/mod.rs @@ -65,7 +65,7 @@ use crate::io::{self, Error}; use crate::ln::features::ChannelTypeFeatures; use crate::ln::msgs::{DecodeError, MAX_VALUE_MSAT}; use crate::prelude::*; -use crate::sign::ecdsa::{EcdsaChannelSigner, WriteableEcdsaChannelSigner}; +use crate::sign::ecdsa::EcdsaChannelSigner; #[cfg(taproot)] use crate::sign::taproot::TaprootChannelSigner; use crate::util::atomic_counter::AtomicCounter; @@ -709,9 +709,7 @@ impl HTLCDescriptor { } /// Derives the channel signer required to sign the HTLC input. - pub fn derive_channel_signer( - &self, signer_provider: &SP, - ) -> S + pub fn derive_channel_signer(&self, signer_provider: &SP) -> S where SP::Target: SignerProvider, { @@ -942,8 +940,8 @@ pub type DynSignerProvider = dyn SignerProvider; /// A trait that can return signer instances for individual channels. pub trait SignerProvider { - /// A type which implements [`WriteableEcdsaChannelSigner`] which will be returned by [`Self::derive_channel_signer`]. - type EcdsaSigner: WriteableEcdsaChannelSigner; + /// A type which implements [`EcdsaChannelSigner`] which will be returned by [`Self::derive_channel_signer`]. + type EcdsaSigner: EcdsaChannelSigner; #[cfg(taproot)] /// A type which implements [`TaprootChannelSigner`] type TaprootSigner: TaprootChannelSigner; @@ -970,7 +968,7 @@ pub trait SignerProvider { /// Reads a [`Signer`] for this [`SignerProvider`] from the given input stream. /// This is only called during deserialization of other objects which contain - /// [`WriteableEcdsaChannelSigner`]-implementing objects (i.e., [`ChannelMonitor`]s and [`ChannelManager`]s). + /// [`EcdsaChannelSigner`]-implementing objects (i.e., [`ChannelMonitor`]s and [`ChannelManager`]s). /// The bytes are exactly those which `::write()` writes, and /// contain no versioning scheme. You may wish to include your own version prefix and ensure /// you've read all of the provided bytes to ensure no corruption occurred. @@ -1014,7 +1012,7 @@ pub trait ChangeDestinationSource { fn get_change_destination_script(&self) -> Result; } -/// A simple implementation of [`WriteableEcdsaChannelSigner`] that just keeps the private keys in memory. +/// A simple implementation of [`EcdsaChannelSigner`] that just keeps the private keys in memory. /// /// This implementation performs no policy checks and is insufficient by itself as /// a secure external signer. @@ -1742,8 +1740,6 @@ const SERIALIZATION_VERSION: u8 = 1; const MIN_SERIALIZATION_VERSION: u8 = 1; -impl WriteableEcdsaChannelSigner for InMemorySigner {} - impl Writeable for InMemorySigner { fn write(&self, writer: &mut W) -> Result<(), Error> { write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION); @@ -1939,7 +1935,7 @@ impl KeysManager { self.node_secret } - /// Derive an old [`WriteableEcdsaChannelSigner`] containing per-channel secrets based on a key derivation parameters. + /// Derive an old [`EcdsaChannelSigner`] containing per-channel secrets based on a key derivation parameters. pub fn derive_channel_keys( &self, channel_value_satoshis: u64, params: &[u8; 32], ) -> InMemorySigner { diff --git a/lightning/src/util/persist.rs b/lightning/src/util/persist.rs index 46f82d2c1..d03474b29 100644 --- a/lightning/src/util/persist.rs +++ b/lightning/src/util/persist.rs @@ -21,7 +21,7 @@ use crate::prelude::*; use crate::chain; use crate::chain::chaininterface::{BroadcasterInterface, FeeEstimator}; use crate::chain::chainmonitor::Persist; -use crate::sign::{EntropySource, ecdsa::WriteableEcdsaChannelSigner, SignerProvider}; +use crate::sign::{EntropySource, ecdsa::EcdsaChannelSigner, SignerProvider}; use crate::chain::transaction::OutPoint; use crate::chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, CLOSED_CHANNEL_UPDATE_ID}; use crate::ln::channelmanager::AChannelManager; @@ -202,7 +202,7 @@ where } } -impl Persist for K { +impl Persist for K { // TODO: We really need a way for the persister to inform the user that its time to crash/shut // down once these start returning failure. // Then we should return InProgress rather than UnrecoverableError, implying we should probably @@ -637,7 +637,7 @@ where } } -impl +impl Persist for MonitorUpdatingPersister where K::Target: KVStore, @@ -1247,7 +1247,7 @@ mod tests { .is_err()); } - fn persist_fn(_persist: P) -> bool where P::Target: Persist { + fn persist_fn(_persist: P) -> bool where P::Target: Persist { true } diff --git a/lightning/src/util/test_channel_signer.rs b/lightning/src/util/test_channel_signer.rs index 64320bbba..0ad1d95bd 100644 --- a/lightning/src/util/test_channel_signer.rs +++ b/lightning/src/util/test_channel_signer.rs @@ -13,7 +13,7 @@ use crate::ln::channel_keys::{HtlcKey}; use crate::ln::msgs; use crate::ln::types::PaymentPreimage; use crate::sign::{InMemorySigner, ChannelSigner}; -use crate::sign::ecdsa::{EcdsaChannelSigner, WriteableEcdsaChannelSigner}; +use crate::sign::ecdsa::EcdsaChannelSigner; #[allow(unused_imports)] use crate::prelude::*; @@ -297,8 +297,6 @@ impl EcdsaChannelSigner for TestChannelSigner { } } -impl WriteableEcdsaChannelSigner for TestChannelSigner {} - #[cfg(taproot)] impl TaprootChannelSigner for TestChannelSigner { fn generate_local_nonce_pair(&self, commitment_number: u64, secp_ctx: &Secp256k1) -> PublicNonce { diff --git a/lightning/src/util/test_utils.rs b/lightning/src/util/test_utils.rs index d4f4b10d1..99b836665 100644 --- a/lightning/src/util/test_utils.rs +++ b/lightning/src/util/test_utils.rs @@ -450,7 +450,7 @@ impl WatchtowerPersister { } #[cfg(test)] -impl chainmonitor::Persist for WatchtowerPersister { +impl chainmonitor::Persist for WatchtowerPersister { fn persist_new_channel(&self, funding_txo: OutPoint, data: &channelmonitor::ChannelMonitor ) -> chain::ChannelMonitorUpdateStatus { @@ -532,7 +532,7 @@ impl TestPersister { self.update_rets.lock().unwrap().push_back(next_ret); } } -impl chainmonitor::Persist for TestPersister { +impl chainmonitor::Persist for TestPersister { fn persist_new_channel(&self, _funding_txo: OutPoint, _data: &channelmonitor::ChannelMonitor) -> chain::ChannelMonitorUpdateStatus { if let Some(update_ret) = self.update_rets.lock().unwrap().pop_front() { return update_ret