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Merge bitcoindevkit/bdk#1335: fix(chain): tx_graph::ChangeSet::is_empty

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13ab5a835d chore(chain): Improve TxGraph::ChangeSet docs (LLFourn)
dbbd514242 fix(chain)!: rm duplicate `is_empty` method in tx graph changeset (志宇)
ae00e1ee7b fix(chain): tx_graph::ChangeSet::is_empty (LLFourn)

Pull request description:

  🙈

  ### Changelog notice

  - Fix bug in `tx_graph::ChangeSet::is_empty` where is returns true even when it wasn't empty

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

  #### Bugfixes:

  * [ ] This pull request breaks the existing API
  * [x] I've added tests to reproduce the issue which are now passing

ACKs for top commit:
  LLFourn:
    Self-ACK: 13ab5a835d
  evanlinjin:
    ACK 13ab5a835d

Tree-SHA512: b9f1f17fd2ed0f8e2337a8033e1cbd3e9f15b1ad4b32da3f0eb73a30913d6798e7a08d6b297d93bd08c2e1c388226e97648650ac636846b2c7aa95c3bcefbcfd
This commit is contained in:
志宇
2024-02-11 17:48:42 +08:00
parent 728e26f223 13ab5a835d
commit 420e929463
2 changed files with 19 additions and 15 deletions
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22
crates/chain/src/tx_graph.rs
View File

@@ -40,20 +40,23 @@
//! # use bdk_chain::example_utils::*;
//! # use bitcoin::Transaction;
//! # let tx_a = tx_from_hex(RAW_TX_1);
//! let mut graph: TxGraph = TxGraph::default();
//! let mut another_graph: TxGraph = TxGraph::default();
//! let mut tx_graph: TxGraph = TxGraph::default();
//!
//! // insert a transaction
//! let changeset = graph.insert_tx(tx_a);
//! let changeset = tx_graph.insert_tx(tx_a);
//!
//! // the resulting changeset can be applied to another tx graph
//! another_graph.apply_changeset(changeset);
//! // We can restore the state of the `tx_graph` by applying all
//! // the changesets obtained by mutating the original (the order doesn't matter).
//! let mut restored_tx_graph: TxGraph = TxGraph::default();
//! restored_tx_graph.apply_changeset(changeset);
//!
//! assert_eq!(tx_graph, restored_tx_graph);
//! ```
//!
//! A [`TxGraph`] can also be updated with another [`TxGraph`].
//! A [`TxGraph`] can also be updated with another [`TxGraph`] which merges them together.
//!
//! ```
//! # use bdk_chain::BlockId;
//! # use bdk_chain::{Append, BlockId};
//! # use bdk_chain::tx_graph::TxGraph;
//! # use bdk_chain::example_utils::*;
//! # use bitcoin::Transaction;
@@ -1212,11 +1215,6 @@ impl<A> Default for ChangeSet<A> {
}
impl<A> ChangeSet<A> {
/// Returns true if the [`ChangeSet`] is empty (no transactions or txouts).
pub fn is_empty(&self) -> bool {
self.txs.is_empty() && self.txouts.is_empty()
}
/// Iterates over all outpoints contained within [`ChangeSet`].
pub fn txouts(&self) -> impl Iterator<Item = (OutPoint, &TxOut)> {
self.txs