refactor(chain): add CanonicalView topological ordering#2219
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oleonardolima wants to merge 8 commits into
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refactor(chain): add CanonicalView topological ordering#2219oleonardolima wants to merge 8 commits into
CanonicalView topological ordering#2219oleonardolima wants to merge 8 commits into
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It introduces the new `CanonicalizationTask` that's implements the canonicalization algorithm through a request/response pattern. Also, it introduces the new `ChainQuery` trait in `bdk_core`, which provides an interface for blockchain source/oracle query-based operations. Allowing sans-IO patterns for algorithm that needs a blockchain oracle, without the need for directly implement/handle I/O. Adds new API methods into `LocalChain`: `canonicalize` and `canonical_view`, adding same features as the existing `CanonicalIter` and it's APIs. Co-Authored-By: Claude <noreply@anthropic.com>
Updates the codebase to use the new convenience `LocalChain::canonical_view` method in order to generate the `CanonicalView`. Internally the convenience method follows the `sans-IO` approach, separating the canonicalization algorithm from i/o operations, and it's used as follows: 1. Create a new `CanonicalizationTask` with a `TxGraph`, by calling: `graph.canonicalization_task(params)` 2. Execute the canonicalization process with a chain oracle (e.g `LocalChain`, which implements `ChainOracle` trait), by calling: `chain.canonicalize(task, chain_tip)`
The codebase has been updated to the new `LocalChain::canonical_view` method. It's now safe to remove the `CanonicalIter` it's the old APIs relying on it, eg. `try_canonical_view`.
…`Canonical<A, P>` Separate concerns by splitting `CanonicalizationTask` into two phases: 1. `CanonicalTask` determines which transactions are canonical and why (`CanonicalReason`), outputting `CanonicalTxs<A>`. 2. `CanonicalViewTask` resolves reasons into `ChainPosition`s (confirmed vs unconfirmed), outputting `CanonicalView<A>`. Make `Canonical<A, P>`, `CanonicalTx<P>`, and `FullTxOut<P>` generic over the position type so the same structs serve both phases. Add `LocalChain::canonical_view()` convenience method for the common two-step pipeline. Renames: - `CanonicalizationTask` -> `CanonicalTask` - `CanonicalizationParams` -> `CanonicalParams` - `canonicalization_task()` -> `canonical_task()` - `FullTxOut::chain_position` -> `FullTxOut::pos` Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…view_task` It moves the shared types: `CanonicalTx`, `Canonical`, `CanonicalView`, `CanonicalTxs` and other convenience methods into `canonical.rs`. Keep the phase-2 task (`CanonicalViewTask` in `canonical_view_task.rs`. Also, rename `FullTxOut` to `CanonicalTxOut`, and move it to `canonical.rs`. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- add new `test_canonical_view_task.rs` to handle different scenarios of chain position resolution. - fixes the assumed canonical txs chain position resolution, especially for transitively assumed canonical transactions, where there's an anchored/confirmed descendant.
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## master #2219 +/- ##
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+ Coverage 77.69% 78.76% +1.07%
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Files 29 30 +1
Lines 5801 5938 +137
Branches 271 283 +12
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+ Hits 4507 4677 +170
+ Misses 1223 1185 -38
- Partials 71 76 +5
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- add `sort_topologically` to `CanonicalViewTask::finish()` using Kahn's algorithm, ensuring `CanonicalView` returns `Txid`s in topological order (parents before children) - add `test_list_ordered_canonical_txs` with scenarios covering various transaction graph shapes
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depends on #2038
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