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feat(esplora)!: update to use new sync/full-scan structures

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This commit is contained in:
志宇
2024-04-25 10:36:06 +08:00
parent 4c52f3e08e
commit 0f94f24aaf
8 changed files with 243 additions and 260 deletions
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106
example-crates/example_esplora/src/main.rs
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@@ -1,14 +1,15 @@
use std::{
collections::BTreeMap,
collections::BTreeSet,
io::{self, Write},
sync::Mutex,
};
use bdk_chain::{
bitcoin::{constants::genesis_block, Address, Network, OutPoint, ScriptBuf, Txid},
bitcoin::{constants::genesis_block, Address, Network, Txid},
indexed_tx_graph::{self, IndexedTxGraph},
keychain,
local_chain::{self, LocalChain},
spk_client::{FullScanRequest, SyncRequest},
Append, ConfirmationTimeHeightAnchor,
};
@@ -167,45 +168,34 @@ fn main() -> anyhow::Result<()> {
scan_options,
..
} => {
let local_tip = chain.lock().expect("mutex must not be poisoned").tip();
let keychain_spks = graph
.lock()
.expect("mutex must not be poisoned")
.index
.all_unbounded_spk_iters()
.into_iter()
// This `map` is purely for logging.
.map(|(keychain, iter)| {
let mut first = true;
let spk_iter = iter.inspect(move |(i, _)| {
if first {
eprint!("\nscanning {}: ", keychain);
first = false;
let request = {
let chain_tip = chain.lock().expect("mutex must not be poisoned").tip();
let indexed_graph = &*graph.lock().expect("mutex must not be poisoned");
FullScanRequest::from_keychain_txout_index(chain_tip, &indexed_graph.index)
.inspect_spks_for_all_keychains({
let mut once = BTreeSet::<Keychain>::new();
move |keychain, spk_i, _| {
if once.insert(keychain) {
eprint!("\nscanning {}: ", keychain);
}
eprint!("{} ", spk_i);
// Flush early to ensure we print at every iteration.
let _ = io::stderr().flush();
}
eprint!("{} ", i);
// Flush early to ensure we print at every iteration.
let _ = io::stderr().flush();
});
(keychain, spk_iter)
})
.collect::<BTreeMap<_, _>>();
})
};
// The client scans keychain spks for transaction histories, stopping after `stop_gap`
// is reached. It returns a `TxGraph` update (`graph_update`) and a structure that
// represents the last active spk derivation indices of keychains
// (`keychain_indices_update`).
let mut update = client
.full_scan(
local_tip,
keychain_spks,
*stop_gap,
scan_options.parallel_requests,
)
.full_scan(request, *stop_gap, scan_options.parallel_requests)
.context("scanning for transactions")?;
// We want to keep track of the latest time a transaction was seen unconfirmed.
let now = std::time::UNIX_EPOCH.elapsed().unwrap().as_secs();
let _ = update.tx_graph.update_last_seen_unconfirmed(now);
let _ = update.graph_update.update_last_seen_unconfirmed(now);
let mut graph = graph.lock().expect("mutex must not be poisoned");
let mut chain = chain.lock().expect("mutex must not be poisoned");
@@ -213,11 +203,11 @@ fn main() -> anyhow::Result<()> {
// deriviation indices. Usually before a scan you are on a fresh wallet with no
// addresses derived so we need to derive up to last active addresses the scan found
// before adding the transactions.
(chain.apply_update(update.local_chain)?, {
(chain.apply_update(update.chain_update)?, {
let (_, index_changeset) = graph
.index
.reveal_to_target_multi(&update.last_active_indices);
let mut indexed_tx_graph_changeset = graph.apply_update(update.tx_graph);
let mut indexed_tx_graph_changeset = graph.apply_update(update.graph_update);
indexed_tx_graph_changeset.append(index_changeset.into());
indexed_tx_graph_changeset
})
@@ -241,12 +231,9 @@ fn main() -> anyhow::Result<()> {
unused_spks = false;
}
// Spks, outpoints and txids we want updates on will be accumulated here.
let mut spks: Box<dyn Iterator<Item = ScriptBuf>> = Box::new(core::iter::empty());
let mut outpoints: Box<dyn Iterator<Item = OutPoint>> = Box::new(core::iter::empty());
let mut txids: Box<dyn Iterator<Item = Txid>> = Box::new(core::iter::empty());
let local_tip = chain.lock().expect("mutex must not be poisoned").tip();
// Spks, outpoints and txids we want updates on will be accumulated here.
let mut request = SyncRequest::from_chain_tip(local_tip.clone());
// Get a short lock on the structures to get spks, utxos, and txs that we are interested
// in.
@@ -260,12 +247,12 @@ fn main() -> anyhow::Result<()> {
.revealed_spks(..)
.map(|(k, i, spk)| (k.to_owned(), i, spk.to_owned()))
.collect::<Vec<_>>();
spks = Box::new(spks.chain(all_spks.into_iter().map(|(k, i, spk)| {
request = request.chain_spks(all_spks.into_iter().map(|(k, i, spk)| {
eprintln!("scanning {}:{}", k, i);
// Flush early to ensure we print at every iteration.
let _ = io::stderr().flush();
spk
})));
}));
}
if unused_spks {
let unused_spks = graph
@@ -273,17 +260,18 @@ fn main() -> anyhow::Result<()> {
.unused_spks()
.map(|(k, i, spk)| (k, i, spk.to_owned()))
.collect::<Vec<_>>();
spks = Box::new(spks.chain(unused_spks.into_iter().map(|(k, i, spk)| {
eprintln!(
"Checking if address {} {}:{} has been used",
Address::from_script(&spk, args.network).unwrap(),
k,
i,
);
// Flush early to ensure we print at every iteration.
let _ = io::stderr().flush();
spk
})));
request =
request.chain_spks(unused_spks.into_iter().map(move |(k, i, spk)| {
eprintln!(
"Checking if address {} {}:{} has been used",
Address::from_script(&spk, args.network).unwrap(),
k,
i,
);
// Flush early to ensure we print at every iteration.
let _ = io::stderr().flush();
spk
}));
}
if utxos {
// We want to search for whether the UTXO is spent, and spent by which
@@ -295,7 +283,7 @@ fn main() -> anyhow::Result<()> {
.filter_chain_unspents(&*chain, local_tip.block_id(), init_outpoints)
.map(|(_, utxo)| utxo)
.collect::<Vec<_>>();
outpoints = Box::new(
request = request.chain_outpoints(
utxos
.into_iter()
.inspect(|utxo| {
@@ -319,7 +307,7 @@ fn main() -> anyhow::Result<()> {
.filter(|canonical_tx| !canonical_tx.chain_position.is_confirmed())
.map(|canonical_tx| canonical_tx.tx_node.txid)
.collect::<Vec<Txid>>();
txids = Box::new(unconfirmed_txids.into_iter().inspect(|txid| {
request = request.chain_txids(unconfirmed_txids.into_iter().inspect(|txid| {
eprintln!("Checking if {} is confirmed yet", txid);
// Flush early to ensure we print at every iteration.
let _ = io::stderr().flush();
@@ -327,21 +315,15 @@ fn main() -> anyhow::Result<()> {
}
}
let mut update = client.sync(
local_tip,
spks,
txids,
outpoints,
scan_options.parallel_requests,
)?;
let mut update = client.sync(request, scan_options.parallel_requests)?;
// Update last seen unconfirmed
let now = std::time::UNIX_EPOCH.elapsed().unwrap().as_secs();
let _ = update.tx_graph.update_last_seen_unconfirmed(now);
let _ = update.graph_update.update_last_seen_unconfirmed(now);
(
chain.lock().unwrap().apply_update(update.local_chain)?,
graph.lock().unwrap().apply_update(update.tx_graph),
chain.lock().unwrap().apply_update(update.chain_update)?,
graph.lock().unwrap().apply_update(update.graph_update),
)
}
};