feat!: rm persist submodule

Remove `PersistBackend`, `PersistBackendAsync`, `StageExt` and
`StageExtAsync`. Remove `async` feature flag and dependency. Update
examples and wallet.
This commit is contained in:
志宇
2024-06-14 20:42:25 +08:00
parent 782eb56bd4
commit 1eca568be5
18 changed files with 239 additions and 469 deletions

View File

@@ -30,7 +30,6 @@ js-sys = "0.3"
[features]
default = ["std"]
std = ["bitcoin/std", "miniscript/std", "bdk_chain/std"]
async = ["bdk_chain/async"]
compiler = ["miniscript/compiler"]
all-keys = ["keys-bip39"]
keys-bip39 = ["bip39"]

View File

@@ -26,7 +26,6 @@ use bdk_chain::{
local_chain::{
self, ApplyHeaderError, CannotConnectError, CheckPoint, CheckPointIter, LocalChain,
},
persist::{PersistBackend, StageExt},
spk_client::{FullScanRequest, FullScanResult, SyncRequest, SyncResult},
tx_graph::{CanonicalTx, TxGraph},
Append, BlockId, ChainPosition, ConfirmationTime, ConfirmationTimeHeightAnchor, FullTxOut,
@@ -85,12 +84,12 @@ const COINBASE_MATURITY: u32 = 100;
/// 1. output *descriptors* from which it can derive addresses.
/// 2. [`signer`]s that can contribute signatures to addresses instantiated from the descriptors.
///
/// The user is responsible for loading and writing wallet changes using an implementation of
/// [`PersistBackend`]. See individual functions and example for instructions on when [`Wallet`]
/// state needs to be persisted.
/// The user is responsible for loading and writing wallet changes which are represented as
/// [`ChangeSet`]s (see [`take_staged`]). Also see individual functions and example for instructions
/// on when [`Wallet`] state needs to be persisted.
///
/// [`PersistBackend`]: bdk_chain::persist::PersistBackend
/// [`signer`]: crate::signer
/// [`take_staged`]: Wallet::take_staged
#[derive(Debug)]
pub struct Wallet {
signers: Arc<SignersContainer>,
@@ -141,8 +140,7 @@ impl From<SyncResult> for Update {
}
/// The changes made to a wallet by applying an [`Update`].
pub type ChangeSet =
bdk_chain::persist::CombinedChangeSet<KeychainKind, ConfirmationTimeHeightAnchor>;
pub type ChangeSet = bdk_chain::CombinedChangeSet<KeychainKind, ConfirmationTimeHeightAnchor>;
/// A derived address and the index it was found at.
/// For convenience this automatically derefs to `Address`
@@ -408,14 +406,13 @@ impl Wallet {
/// # use bdk_wallet::descriptor::Descriptor;
/// # use bitcoin::key::Secp256k1;
/// # use bdk_wallet::KeychainKind;
/// # use bdk_sqlite::{Store, rusqlite::Connection};
/// use bdk_sqlite::{Store, rusqlite::Connection};
/// #
/// # fn main() -> Result<(), anyhow::Error> {
/// # use bdk_chain::persist::PersistBackend;
/// # let temp_dir = tempfile::tempdir().expect("must create tempdir");
/// # let file_path = temp_dir.path().join("store.db");
/// # let conn = Connection::open(file_path).expect("must open connection");
/// # let mut db = Store::new(conn).expect("must create db");
/// let conn = Connection::open(file_path).expect("must open connection");
/// let mut db = Store::new(conn).expect("must create db");
/// let secp = Secp256k1::new();
///
/// let (external_descriptor, external_keymap) = Descriptor::parse_descriptor(&secp, "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/0/*)").unwrap();
@@ -423,7 +420,7 @@ impl Wallet {
///
/// let external_signer_container = SignersContainer::build(external_keymap, &external_descriptor, &secp);
/// let internal_signer_container = SignersContainer::build(internal_keymap, &internal_descriptor, &secp);
/// let changeset = db.load_changes()?.expect("there must be an existing changeset");
/// let changeset = db.read()?.expect("there must be an existing changeset");
/// let mut wallet = Wallet::load_from_changeset(changeset)?;
///
/// external_signer_container.signers().into_iter()
@@ -482,13 +479,12 @@ impl Wallet {
/// This method will fail if the loaded [`ChangeSet`] has different parameters to those provided.
///
/// ```rust,no_run
/// # use bdk_chain::persist::PersistBackend;
/// # use bdk_wallet::Wallet;
/// # use bdk_sqlite::{Store, rusqlite::Connection};
/// use bdk_sqlite::{Store, rusqlite::Connection};
/// # use bitcoin::Network::Testnet;
/// # let conn = Connection::open_in_memory().expect("must open connection");
/// let conn = Connection::open_in_memory().expect("must open connection");
/// let mut db = Store::new(conn).expect("must create db");
/// let changeset = db.load_changes()?;
/// let changeset = db.read()?;
///
/// let external_descriptor = "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/0/*)";
/// let internal_descriptor = "wpkh(tprv8ZgxMBicQKsPdy6LMhUtFHAgpocR8GC6QmwMSFpZs7h6Eziw3SpThFfczTDh5rW2krkqffa11UpX3XkeTTB2FvzZKWXqPY54Y6Rq4AQ5R8L/84'/1'/0'/1/*)";
@@ -666,16 +662,17 @@ impl Wallet {
/// calls to this method before closing the wallet. For example:
///
/// ```rust,no_run
/// # use bdk_chain::persist::PersistBackend;
/// # use bdk_wallet::wallet::{Wallet, ChangeSet};
/// # use bdk_wallet::KeychainKind;
/// # use bdk_sqlite::{Store, rusqlite::Connection};
/// # let conn = Connection::open_in_memory().expect("must open connection");
/// # let mut db = Store::new(conn).expect("must create store");
/// use bdk_sqlite::{rusqlite::Connection, Store};
/// let conn = Connection::open_in_memory().expect("must open connection");
/// let mut db = Store::new(conn).expect("must create store");
/// # let changeset = ChangeSet::default();
/// # let mut wallet = Wallet::load_from_changeset(changeset).expect("load wallet");
/// let next_address = wallet.reveal_next_address(KeychainKind::External);
/// wallet.commit_to(&mut db)?;
/// if let Some(changeset) = wallet.take_staged() {
/// db.write(&changeset)?;
/// }
///
/// // Now it's safe to show the user their next address!
/// println!("Next address: {}", next_address.address);
@@ -2283,44 +2280,22 @@ impl Wallet {
Ok(())
}
/// Commits all currently [`staged`](Wallet::staged) changes to the `persist_backend`.
///
/// This returns whether anything was persisted.
///
/// # Error
///
/// Returns a backend-defined error if this fails.
pub fn commit_to<B>(&mut self, persist_backend: &mut B) -> Result<bool, B::WriteError>
where
B: PersistBackend<ChangeSet>,
{
let committed = StageExt::commit_to(&mut self.stage, persist_backend)?;
Ok(committed.is_some())
/// Get a reference of the staged [`ChangeSet`] that are yet to be committed (if any).
pub fn staged(&self) -> Option<&ChangeSet> {
if self.stage.is_empty() {
None
} else {
Some(&self.stage)
}
}
/// Commits all currently [`staged`](Wallet::staged) changes to the async `persist_backend`.
///
/// This returns whether anything was persisted.
///
/// # Error
///
/// Returns a backend-defined error if this fails.
#[cfg(feature = "async")]
pub async fn commit_to_async<B>(
&mut self,
persist_backend: &mut B,
) -> Result<bool, B::WriteError>
where
B: bdk_chain::persist::PersistBackendAsync<ChangeSet> + Send + Sync,
{
let committed =
bdk_chain::persist::StageExtAsync::commit_to(&mut self.stage, persist_backend).await?;
Ok(committed.is_some())
}
/// Get the staged [`ChangeSet`] that is yet to be committed.
pub fn staged(&self) -> &ChangeSet {
&self.stage
/// Take the staged [`ChangeSet`] to be persisted now (if any).
pub fn take_staged(&mut self) -> Option<ChangeSet> {
if self.stage.is_empty() {
None
} else {
Some(core::mem::take(&mut self.stage))
}
}
/// Get a reference to the inner [`TxGraph`].

View File

@@ -1,11 +1,10 @@
use anyhow::anyhow;
use std::path::Path;
use std::str::FromStr;
use assert_matches::assert_matches;
use bdk_chain::collections::BTreeMap;
use bdk_chain::COINBASE_MATURITY;
use bdk_chain::{persist::PersistBackend, BlockId, ConfirmationTime};
use bdk_chain::{BlockId, ConfirmationTime};
use bdk_sqlite::rusqlite::Connection;
use bdk_wallet::descriptor::{calc_checksum, DescriptorError, IntoWalletDescriptor};
use bdk_wallet::psbt::PsbtUtils;
@@ -13,7 +12,7 @@ use bdk_wallet::signer::{SignOptions, SignerError};
use bdk_wallet::wallet::coin_selection::{self, LargestFirstCoinSelection};
use bdk_wallet::wallet::error::CreateTxError;
use bdk_wallet::wallet::tx_builder::AddForeignUtxoError;
use bdk_wallet::wallet::{AddressInfo, Balance, NewError, Wallet};
use bdk_wallet::wallet::{AddressInfo, Balance, ChangeSet, NewError, Wallet};
use bdk_wallet::KeychainKind;
use bitcoin::hashes::Hash;
use bitcoin::key::Secp256k1;
@@ -72,11 +71,18 @@ const DB_MAGIC: &[u8] = &[0x21, 0x24, 0x48];
#[test]
fn load_recovers_wallet() -> anyhow::Result<()> {
fn run<B, FN, FR>(filename: &str, create_new: FN, recover: FR) -> anyhow::Result<()>
fn run<Db, New, Recover, Read, Write>(
filename: &str,
create_new: New,
recover: Recover,
read: Read,
write: Write,
) -> anyhow::Result<()>
where
B: PersistBackend<bdk_wallet::wallet::ChangeSet> + Send + Sync + 'static,
FN: Fn(&Path) -> anyhow::Result<B>,
FR: Fn(&Path) -> anyhow::Result<B>,
New: Fn(&Path) -> anyhow::Result<Db>,
Recover: Fn(&Path) -> anyhow::Result<Db>,
Read: Fn(&mut Db) -> anyhow::Result<Option<ChangeSet>>,
Write: Fn(&mut Db, &ChangeSet) -> anyhow::Result<()>,
{
let temp_dir = tempfile::tempdir().expect("must create tempdir");
let file_path = temp_dir.path().join(filename);
@@ -91,9 +97,9 @@ fn load_recovers_wallet() -> anyhow::Result<()> {
// persist new wallet changes
let mut db = create_new(&file_path).expect("must create db");
wallet
.commit_to(&mut db)
.map_err(|e| anyhow!("write changes error: {}", e))?;
if let Some(changeset) = wallet.take_staged() {
write(&mut db, &changeset)?;
}
wallet.spk_index().clone()
};
@@ -101,10 +107,7 @@ fn load_recovers_wallet() -> anyhow::Result<()> {
{
// load persisted wallet changes
let db = &mut recover(&file_path).expect("must recover db");
let changeset = db
.load_changes()
.expect("must recover wallet")
.expect("changeset");
let changeset = read(db).expect("must recover wallet").expect("changeset");
let wallet = Wallet::load_from_changeset(changeset).expect("must recover wallet");
assert_eq!(wallet.network(), Network::Testnet);
@@ -132,11 +135,15 @@ fn load_recovers_wallet() -> anyhow::Result<()> {
"store.db",
|path| Ok(bdk_file_store::Store::create_new(DB_MAGIC, path)?),
|path| Ok(bdk_file_store::Store::open(DB_MAGIC, path)?),
|db| Ok(bdk_file_store::Store::aggregate_changesets(db)?),
|db, changeset| Ok(bdk_file_store::Store::append_changeset(db, changeset)?),
)?;
run(
"store.sqlite",
|path| Ok(bdk_sqlite::Store::new(Connection::open(path)?)?),
|path| Ok(bdk_sqlite::Store::new(Connection::open(path)?)?),
|db| Ok(bdk_sqlite::Store::read(db)?),
|db, changeset| Ok(bdk_sqlite::Store::write(db, changeset)?),
)?;
Ok(())
@@ -144,10 +151,16 @@ fn load_recovers_wallet() -> anyhow::Result<()> {
#[test]
fn new_or_load() -> anyhow::Result<()> {
fn run<B, F>(filename: &str, new_or_load: F) -> anyhow::Result<()>
fn run<Db, NewOrRecover, Read, Write>(
filename: &str,
new_or_load: NewOrRecover,
read: Read,
write: Write,
) -> anyhow::Result<()>
where
B: PersistBackend<bdk_wallet::wallet::ChangeSet> + Send + Sync + 'static,
F: Fn(&Path) -> anyhow::Result<B>,
NewOrRecover: Fn(&Path) -> anyhow::Result<Db>,
Read: Fn(&mut Db) -> anyhow::Result<Option<ChangeSet>>,
Write: Fn(&mut Db, &ChangeSet) -> anyhow::Result<()>,
{
let temp_dir = tempfile::tempdir().expect("must create tempdir");
let file_path = temp_dir.path().join(filename);
@@ -158,18 +171,16 @@ fn new_or_load() -> anyhow::Result<()> {
let wallet = &mut Wallet::new_or_load(desc, change_desc, None, Network::Testnet)
.expect("must init wallet");
let mut db = new_or_load(&file_path).expect("must create db");
wallet
.commit_to(&mut db)
.map_err(|e| anyhow!("write changes error: {}", e))?;
if let Some(changeset) = wallet.take_staged() {
write(&mut db, &changeset)?;
}
wallet.keychains().map(|(k, v)| (*k, v.clone())).collect()
};
// wrong network
{
let mut db = new_or_load(&file_path).expect("must create db");
let changeset = db
.load_changes()
.map_err(|e| anyhow!("load changes error: {}", e))?;
let changeset = read(&mut db)?;
let err = Wallet::new_or_load(desc, change_desc, changeset, Network::Bitcoin)
.expect_err("wrong network");
assert!(
@@ -192,9 +203,7 @@ fn new_or_load() -> anyhow::Result<()> {
bitcoin::blockdata::constants::genesis_block(Network::Testnet).block_hash();
let db = &mut new_or_load(&file_path).expect("must open db");
let changeset = db
.load_changes()
.map_err(|e| anyhow!("load changes error: {}", e))?;
let changeset = read(db)?;
let err = Wallet::new_or_load_with_genesis_hash(
desc,
change_desc,
@@ -223,9 +232,7 @@ fn new_or_load() -> anyhow::Result<()> {
.0;
let db = &mut new_or_load(&file_path).expect("must open db");
let changeset = db
.load_changes()
.map_err(|e| anyhow!("load changes error: {}", e))?;
let changeset = read(db)?;
let err =
Wallet::new_or_load(exp_descriptor, exp_change_desc, changeset, Network::Testnet)
.expect_err("wrong external descriptor");
@@ -249,9 +256,7 @@ fn new_or_load() -> anyhow::Result<()> {
.0;
let db = &mut new_or_load(&file_path).expect("must open db");
let changeset = db
.load_changes()
.map_err(|e| anyhow!("load changes error: {}", e))?;
let changeset = read(db)?;
let err = Wallet::new_or_load(desc, exp_descriptor, changeset, Network::Testnet)
.expect_err("wrong internal descriptor");
assert!(
@@ -268,9 +273,7 @@ fn new_or_load() -> anyhow::Result<()> {
// all parameters match
{
let db = &mut new_or_load(&file_path).expect("must open db");
let changeset = db
.load_changes()
.map_err(|e| anyhow!("load changes error: {}", e))?;
let changeset = read(db)?;
let wallet = Wallet::new_or_load(desc, change_desc, changeset, Network::Testnet)
.expect("must recover wallet");
assert_eq!(wallet.network(), Network::Testnet);
@@ -282,12 +285,18 @@ fn new_or_load() -> anyhow::Result<()> {
Ok(())
}
run("store.db", |path| {
Ok(bdk_file_store::Store::open_or_create_new(DB_MAGIC, path)?)
})?;
run("store.sqlite", |path| {
Ok(bdk_sqlite::Store::new(Connection::open(path)?)?)
})?;
run(
"store.db",
|path| Ok(bdk_file_store::Store::open_or_create_new(DB_MAGIC, path)?),
|db| Ok(bdk_file_store::Store::aggregate_changesets(db)?),
|db, changeset| Ok(bdk_file_store::Store::append_changeset(db, changeset)?),
)?;
run(
"store.sqlite",
|path| Ok(bdk_sqlite::Store::new(Connection::open(path)?)?),
|db| Ok(bdk_sqlite::Store::read(db)?),
|db, changeset| Ok(bdk_sqlite::Store::write(db, changeset)?),
)?;
Ok(())
}