eabeb6ccb1
This commit changes the `LocalChain` implementation to have blocks stored as a linked-list. This allows the data-src thread to hold a shared ref to a single checkpoint and have access to the whole history of checkpoints without cloning or keeping a lock on `LocalChain`. The APIs of `bdk::Wallet`, `esplora` and `electrum` are also updated to reflect these changes. Note that the `esplora` crate is rewritten to anchor txs in the confirmation block (using the esplora API's tx status block_hash). This guarantees 100% consistency between anchor blocks and their transactions (instead of anchoring txs to the latest tip). `ExploraExt` now has separate methods for updating the `TxGraph` and `LocalChain`. A new method `TxGraph::missing_blocks` is introduced for finding "floating anchors" of a `TxGraph` update (given a chain). Additional changes: * `test_local_chain.rs` is refactored to make test cases easier to write. Additional tests are also added. * Examples are updated. * Fix `tempfile` dev dependency of `bdk_file_store` to work with MSRV Co-authored-by: LLFourn <lloyd.fourn@gmail.com>
64 lines
1.8 KiB
Rust
64 lines
1.8 KiB
Rust
#[allow(unused_macros)]
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macro_rules! h {
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($index:literal) => {{
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bitcoin::hashes::Hash::hash($index.as_bytes())
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}};
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}
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#[allow(unused_macros)]
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macro_rules! local_chain {
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[ $(($height:expr, $block_hash:expr)), * ] => {{
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#[allow(unused_mut)]
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bdk_chain::local_chain::LocalChain::from_blocks([$(($height, $block_hash).into()),*].into_iter().collect())
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}};
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}
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#[allow(unused_macros)]
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macro_rules! chain_update {
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[ $(($height:expr, $hash:expr)), * ] => {{
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#[allow(unused_mut)]
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bdk_chain::local_chain::Update {
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tip: bdk_chain::local_chain::LocalChain::from_blocks([$(($height, $hash).into()),*].into_iter().collect())
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.tip()
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.expect("must have tip"),
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introduce_older_blocks: true,
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}
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}};
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}
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#[allow(unused_macros)]
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macro_rules! changeset {
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(checkpoints: $($tail:tt)*) => { changeset!(index: TxHeight, checkpoints: $($tail)*) };
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(
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index: $ind:ty,
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checkpoints: [ $(( $height:expr, $cp_to:expr )),* ]
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$(,txids: [ $(( $txid:expr, $tx_to:expr )),* ])?
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) => {{
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use bdk_chain::collections::BTreeMap;
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#[allow(unused_mut)]
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bdk_chain::sparse_chain::ChangeSet::<$ind> {
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checkpoints: {
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let mut changes = BTreeMap::default();
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$(changes.insert($height, $cp_to);)*
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changes
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},
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txids: {
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let mut changes = BTreeMap::default();
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$($(changes.insert($txid, $tx_to.map(|h: TxHeight| h.into()));)*)?
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changes
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}
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}
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}};
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}
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#[allow(unused)]
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pub fn new_tx(lt: u32) -> bitcoin::Transaction {
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bitcoin::Transaction {
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version: 0x00,
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lock_time: bitcoin::PackedLockTime(lt),
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input: vec![],
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output: vec![],
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}
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}
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