Downgrade `hashbrown` to meet MSRV
[rust-lightning] / lightning / src / chain / onchaintx.rs
index 1ca3effabd7e537afc0832cff5085abd3a6abf47..0f2edff5ed78bd3472e2f7c93ad8b2e845c62ba1 100644 (file)
@@ -24,7 +24,7 @@ use bitcoin::secp256k1;
 use ln::msgs::DecodeError;
 use ln::PaymentPreimage;
 use ln::chan_utils::{ChannelTransactionParameters, HolderCommitmentTransaction};
-use chain::chaininterface::{FeeEstimator, BroadcasterInterface};
+use chain::chaininterface::{FeeEstimator, BroadcasterInterface, LowerBoundedFeeEstimator};
 use chain::channelmonitor::{ANTI_REORG_DELAY, CLTV_SHARED_CLAIM_BUFFER};
 use chain::keysinterface::{Sign, KeysInterface};
 use chain::package::PackageTemplate;
@@ -38,6 +38,7 @@ use alloc::collections::BTreeMap;
 use core::cmp;
 use core::ops::Deref;
 use core::mem::replace;
+use bitcoin::hashes::Hash;
 
 const MAX_ALLOC_SIZE: usize = 64*1024;
 
@@ -92,7 +93,7 @@ impl Writeable for OnchainEventEntry {
 
 impl MaybeReadable for OnchainEventEntry {
        fn read<R: io::Read>(reader: &mut R) -> Result<Option<Self>, DecodeError> {
-               let mut txid = Default::default();
+               let mut txid = Txid::all_zeros();
                let mut height = 0;
                let mut event = None;
                read_tlv_fields!(reader, {
@@ -377,7 +378,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
        /// (CSV or CLTV following cases). In case of high-fee spikes, claim tx may stuck in the mempool, so you need to bump its feerate quickly using Replace-By-Fee or Child-Pay-For-Parent.
        /// Panics if there are signing errors, because signing operations in reaction to on-chain events
        /// are not expected to fail, and if they do, we may lose funds.
-       fn generate_claim_tx<F: Deref, L: Deref>(&mut self, cur_height: u32, cached_request: &PackageTemplate, fee_estimator: &F, logger: &L) -> Option<(Option<u32>, u64, Transaction)>
+       fn generate_claim_tx<F: Deref, L: Deref>(&mut self, cur_height: u32, cached_request: &PackageTemplate, fee_estimator: &LowerBoundedFeeEstimator<F>, logger: &L) -> Option<(Option<u32>, u64, Transaction)>
                where F::Target: FeeEstimator,
                                        L::Target: Logger,
        {
@@ -389,7 +390,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
                if cached_request.is_malleable() {
                        let predicted_weight = cached_request.package_weight(&self.destination_script, self.channel_transaction_parameters.opt_anchors.is_some());
                        if let Some((output_value, new_feerate)) =
-                                       cached_request.compute_package_output(predicted_weight, self.destination_script.dust_value().as_sat(), fee_estimator, logger) {
+                                       cached_request.compute_package_output(predicted_weight, self.destination_script.dust_value().to_sat(), fee_estimator, logger) {
                                assert!(new_feerate != 0);
 
                                let transaction = cached_request.finalize_package(self, output_value, self.destination_script.clone(), logger).unwrap();
@@ -415,7 +416,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
        /// `conf_height` represents the height at which the transactions in `txn_matched` were
        /// confirmed. This does not need to equal the current blockchain tip height, which should be
        /// provided via `cur_height`, however it must never be higher than `cur_height`.
-       pub(crate) fn update_claims_view<B: Deref, F: Deref, L: Deref>(&mut self, txn_matched: &[&Transaction], requests: Vec<PackageTemplate>, conf_height: u32, cur_height: u32, broadcaster: &B, fee_estimator: &F, logger: &L)
+       pub(crate) fn update_claims_view<B: Deref, F: Deref, L: Deref>(&mut self, txn_matched: &[&Transaction], requests: Vec<PackageTemplate>, conf_height: u32, cur_height: u32, broadcaster: &B, fee_estimator: &LowerBoundedFeeEstimator<F>, logger: &L)
                where B::Target: BroadcasterInterface,
                      F::Target: FeeEstimator,
                                        L::Target: Logger,
@@ -617,7 +618,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
                &mut self,
                txid: &Txid,
                broadcaster: B,
-               fee_estimator: F,
+               fee_estimator: &LowerBoundedFeeEstimator<F>,
                logger: L,
        ) where
                B::Target: BroadcasterInterface,
@@ -637,7 +638,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
                }
        }
 
-       pub(crate) fn block_disconnected<B: Deref, F: Deref, L: Deref>(&mut self, height: u32, broadcaster: B, fee_estimator: F, logger: L)
+       pub(crate) fn block_disconnected<B: Deref, F: Deref, L: Deref>(&mut self, height: u32, broadcaster: B, fee_estimator: &LowerBoundedFeeEstimator<F>, logger: L)
                where B::Target: BroadcasterInterface,
                      F::Target: FeeEstimator,
                                        L::Target: Logger,
@@ -667,7 +668,7 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
                        }
                }
                for (_, request) in bump_candidates.iter_mut() {
-                       if let Some((new_timer, new_feerate, bump_tx)) = self.generate_claim_tx(height, &request, &&*fee_estimator, &&*logger) {
+                       if let Some((new_timer, new_feerate, bump_tx)) = self.generate_claim_tx(height, &request, fee_estimator, &&*logger) {
                                request.set_timer(new_timer);
                                request.set_feerate(new_feerate);
                                log_info!(logger, "Broadcasting onchain {}", log_tx!(bump_tx));
@@ -690,6 +691,10 @@ impl<ChannelSigner: Sign> OnchainTxHandler<ChannelSigner> {
                }
        }
 
+       pub(crate) fn is_output_spend_pending(&self, outpoint: &BitcoinOutPoint) -> bool {
+               self.claimable_outpoints.get(outpoint).is_some()
+       }
+
        pub(crate) fn get_relevant_txids(&self) -> Vec<Txid> {
                let mut txids: Vec<Txid> = self.onchain_events_awaiting_threshold_conf
                        .iter()