Add an internal typedef for transaction outputs

This commit is contained in:
Jeffrey Czyz 2021-04-02 16:53:00 -07:00
parent 34792d0f1a
commit 1c72489e52
No known key found for this signature in database
GPG key ID: 3A4E08275D5E96D2
2 changed files with 16 additions and 14 deletions

View file

@ -25,13 +25,12 @@
use bitcoin::blockdata::block::{Block, BlockHeader};
use bitcoin::hash_types::Txid;
use bitcoin::blockdata::transaction::TxOut;
use chain;
use chain::{Filter, WatchedOutput};
use chain::chaininterface::{BroadcasterInterface, FeeEstimator};
use chain::channelmonitor;
use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateErr, MonitorEvent, Persist};
use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, ChannelMonitorUpdateErr, MonitorEvent, Persist, TransactionOutputs};
use chain::transaction::{OutPoint, TransactionData};
use chain::keysinterface::Sign;
use util::logger::Logger;
@ -135,7 +134,7 @@ where C::Target: chain::Filter,
fn process_chain_data<FN>(&self, header: &BlockHeader, txdata: &TransactionData, process: FN)
where
FN: Fn(&ChannelMonitor<ChannelSigner>, &TransactionData) -> Vec<(Txid, Vec<(u32, TxOut)>)>
FN: Fn(&ChannelMonitor<ChannelSigner>, &TransactionData) -> Vec<TransactionOutputs>
{
let mut dependent_txdata = Vec::new();
let monitors = self.monitors.read().unwrap();

View file

@ -745,6 +745,9 @@ pub(crate) struct ChannelMonitorImpl<Signer: Sign> {
secp_ctx: Secp256k1<secp256k1::All>, //TODO: dedup this a bit...
}
/// Transaction outputs to watch for on-chain spends.
pub(super) 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
@ -1276,7 +1279,7 @@ impl<Signer: Sign> ChannelMonitor<Signer> {
broadcaster: B,
fee_estimator: F,
logger: L,
) -> Vec<(Txid, Vec<(u32, TxOut)>)>
) -> Vec<TransactionOutputs>
where
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
@ -1321,7 +1324,7 @@ impl<Signer: Sign> ChannelMonitor<Signer> {
broadcaster: B,
fee_estimator: F,
logger: L,
) -> Vec<(Txid, Vec<(u32, TxOut)>)>
) -> Vec<TransactionOutputs>
where
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
@ -1376,7 +1379,7 @@ impl<Signer: Sign> ChannelMonitor<Signer> {
broadcaster: B,
fee_estimator: F,
logger: L,
) -> Vec<(Txid, Vec<(u32, TxOut)>)>
) -> Vec<TransactionOutputs>
where
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
@ -1691,7 +1694,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
/// HTLC-Success/HTLC-Timeout transactions.
/// Return updates for HTLC pending in the channel and failed automatically by the broadcast of
/// revoked counterparty commitment tx
fn check_spend_counterparty_transaction<L: Deref>(&mut self, tx: &Transaction, height: u32, logger: &L) -> (Vec<ClaimRequest>, (Txid, Vec<(u32, TxOut)>)) where L::Target: Logger {
fn check_spend_counterparty_transaction<L: Deref>(&mut self, tx: &Transaction, height: u32, logger: &L) -> (Vec<ClaimRequest>, TransactionOutputs) where L::Target: Logger {
// Most secp and related errors trying to create keys means we have no hope of constructing
// a spend transaction...so we return no transactions to broadcast
let mut claimable_outpoints = Vec::new();
@ -1902,7 +1905,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
}
/// Attempts to claim a counterparty HTLC-Success/HTLC-Timeout's outputs using the revocation key
fn check_spend_counterparty_htlc<L: Deref>(&mut self, tx: &Transaction, commitment_number: u64, height: u32, logger: &L) -> (Vec<ClaimRequest>, Option<(Txid, Vec<(u32, TxOut)>)>) where L::Target: Logger {
fn check_spend_counterparty_htlc<L: Deref>(&mut self, tx: &Transaction, commitment_number: u64, height: u32, logger: &L) -> (Vec<ClaimRequest>, Option<TransactionOutputs>) where L::Target: Logger {
let htlc_txid = tx.txid();
if tx.input.len() != 1 || tx.output.len() != 1 || tx.input[0].witness.len() != 5 {
return (Vec::new(), None)
@ -1971,7 +1974,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
/// Attempts to claim any claimable HTLCs in a commitment transaction which was not (yet)
/// revoked using data in holder_claimable_outpoints.
/// Should not be used if check_spend_revoked_transaction succeeds.
fn check_spend_holder_transaction<L: Deref>(&mut self, tx: &Transaction, height: u32, logger: &L) -> (Vec<ClaimRequest>, (Txid, Vec<(u32, TxOut)>)) where L::Target: Logger {
fn check_spend_holder_transaction<L: Deref>(&mut self, tx: &Transaction, height: u32, logger: &L) -> (Vec<ClaimRequest>, TransactionOutputs) where L::Target: Logger {
let commitment_txid = tx.txid();
let mut claim_requests = Vec::new();
let mut watch_outputs = Vec::new();
@ -2094,7 +2097,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
return res
}
pub fn block_connected<B: Deref, F: Deref, L: Deref>(&mut self, header: &BlockHeader, txdata: &TransactionData, height: u32, broadcaster: B, fee_estimator: F, logger: L)-> Vec<(Txid, Vec<(u32, TxOut)>)>
pub fn block_connected<B: Deref, F: Deref, L: Deref>(&mut self, header: &BlockHeader, txdata: &TransactionData, height: u32, broadcaster: B, fee_estimator: F, logger: L) -> Vec<TransactionOutputs>
where B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
L::Target: Logger,
@ -2113,7 +2116,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
broadcaster: B,
fee_estimator: F,
logger: L,
) -> Vec<(Txid, Vec<(u32, TxOut)>)>
) -> Vec<TransactionOutputs>
where
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
@ -2141,7 +2144,7 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
broadcaster: B,
fee_estimator: F,
logger: L,
) -> Vec<(Txid, Vec<(u32, TxOut)>)>
) -> Vec<TransactionOutputs>
where
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,
@ -2209,12 +2212,12 @@ impl<Signer: Sign> ChannelMonitorImpl<Signer> {
&mut self,
height: u32,
txn_matched: Vec<&Transaction>,
mut watch_outputs: Vec<(Txid, Vec<(u32, TxOut)>)>,
mut watch_outputs: Vec<TransactionOutputs>,
mut claimable_outpoints: Vec<ClaimRequest>,
broadcaster: B,
fee_estimator: F,
logger: L,
) -> Vec<(Txid, Vec<(u32, TxOut)>)>
) -> Vec<TransactionOutputs>
where
B::Target: BroadcasterInterface,
F::Target: FeeEstimator,