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test(key-wallet-manager): cover rescans over chainlocked blocks - #1367
#1326 fixed crediting outputs that a rescan newly matches on a transaction the wallet already knows or has finalized, and tested it at the check_core_transaction level. Nothing covered the path a filter rescan actually takes, where WalletManager::process_block_for_wallets sees the same block again after each pass that derives new addresses and the ChainLock can arrive before, between or after those passes.
This adds tests for that path in key-wallet-manager. For a block paying a run of addresses past the gap limit, and for one whose far output only a later transaction's gap extension reaches, they check that the coins, the balance and the last record carried by the BlockProcessed events are the same whenever the ChainLock lands. They also check that outputs spent in the next block end spent, including after a checkpoint prunes the observed spends and after the account is reloaded through serde.
It also corrects the ManagedAccountRefMut::confirm_transaction doc, which said a record comes back only when its confirmation status changes; it also comes back when it gains outputs derived since it was recorded.
Apart from that doc comment, only tests change. The key-wallet-manager tests pass with and without the keep-finalized-transactions feature, and fmt, clippy, doc and typos are clean.
key-wallet-manager (key-wallet-manager/Cargo.toml, key-wallet-manager/src/lib.rs, key-wallet-manager/src/rescan_tests.rs) — QuantumExplorer or ZocoLini or xdustinface
key-wallet (key-wallet/src/managed_account/managed_account_ref.rs) — QuantumExplorer or ZocoLini or xdustinface
When every merge requirement is met, the PR Hygiene check passes. Reviewer limits do not block merging; other required GitHub checks and protections still apply.
Summary by CodeRabbit
Documentation
Clarified when transaction confirmation may return an updated record, including when newly derived outputs become available or a summarized record is rebuilt.
Tests
Added coverage for rescans with and without ChainLocks, verifying wallet records and balances include eligible outputs and continue to reflect outputs spent in later blocks. Checks also cover checkpoint pruning and reloading saved account data.
#1326 fixed crediting outputs that a rescan newly matches on a known or finalized transaction, with tests at the `check_core_transaction` level. These tests drive `WalletManager::process_block_for_wallets` the way the filter rescan does: the block is processed again while a pass derives new scripts, with the ChainLock applied before the first pass, between passes, or not at all.
For a transaction paying a run of `gap + gap/2` addresses, and for a transaction whose far output only a later transaction's gap extension reaches, they check the coins held, the balance, and the last record the `BlockProcessed` events carried, which is what a store built from the events keeps. Another set checks that outputs spent in the next block end spent after the rescan, including after a checkpoint prunes the observed spends and after the account is reloaded through serde.
The `ManagedAccountRefMut::confirm_transaction` doc said it returns a record only when the confirmation status changes. It also returns one that gains outputs derived since it was recorded.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Adds wallet rescan tests for gap-limit address derivation, ChainLock timing, spent outputs, and account reload. Updates the documented conditions under which transaction confirmation returns a record.
Changes: Wallet Rescans
Layer / File(s)
Summary
Rescan harness and gap-limit crediting key-wallet-manager/Cargo.toml, key-wallet-manager/src/lib.rs, key-wallet-manager/src/rescan_tests.rs, key-wallet/src/managed_account/managed_account_ref.rs
Adds test support and verifies that rescans credit outputs across the gap limit with different ChainLock timings. Updates the documentation of when confirmation returns a record.
Gap extension across transactions key-wallet-manager/src/rescan_tests.rs
Tests that rescans credit outputs revealed as later transactions extend the address window.
Spent outputs across checkpoint and reload key-wallet-manager/src/rescan_tests.rs
Tests that outputs spent in a following block remain unheld after rescans, observed-spend pruning, and account serialization and reload.
dashpay/rust-dashcore issue 1361: The tests cover rescanning a finalized funding block after observed-spend pruning, but do not change the behavior.
dashpay/rust-dashcore issue 1291: The documentation now describes records gaining newly derived outputs, but the PR does not update output_details or the InstantSend paths.
dashpay/rust-dashcore issue 1348: The tests cover wallet handling of re-delivered blocks with gap-extended outputs, but do not change block delivery in dash-spv.
Suggested reviewers:quantumexplorer, zocolini
Merge Risk: Minimal · up to 7fcf2
This PR adds rescan tests and corrects a documentation comment. It does not change runtime behavior, so merge risk is minimal.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
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Docstring Coverage
Docstring coverage is 60.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documenta…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Title check
The title "test(key-wallet-manager): cover rescans over chainlocked blocks" matches the main change. The PR adds key-wallet-manager tests that replay a funding block during filter rescans, with ChainL…
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Full details: Title check
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The title "test(key-wallet-manager): cover rescans over chainlocked blocks" matches the main change. The PR adds key-wallet-manager tests that replay a funding block during filter rescans, with ChainLocks applied before, between, or not before the derivation passes. It also corrects the confirm_transaction documentation. The title names the crate, the test scope, and the ChainLock condition. The title does not mention the documentation fix, but that change is minor and the title does not need to cover every detail.
Full details: Docstring Coverage
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Docstring coverage is 60.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 5 functions across 3 files. (1 skipped: 1 unsupported.)
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Write docstrings for the functions missing them to satisfy the coverage threshold.
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#1326 fixed crediting outputs that a rescan newly matches on a transaction the wallet already knows or has finalized, and tested it at the
check_core_transactionlevel. Nothing covered the path a filter rescan actually takes, whereWalletManager::process_block_for_walletssees the same block again after each pass that derives new addresses and the ChainLock can arrive before, between or after those passes.This adds tests for that path in
key-wallet-manager. For a block paying a run of addresses past the gap limit, and for one whose far output only a later transaction's gap extension reaches, they check that the coins, the balance and the last record carried by theBlockProcessedevents are the same whenever the ChainLock lands. They also check that outputs spent in the next block end spent, including after a checkpoint prunes the observed spends and after the account is reloaded through serde.It also corrects the
ManagedAccountRefMut::confirm_transactiondoc, which said a record comes back only when its confirmation status changes; it also comes back when it gains outputs derived since it was recorded.Apart from that doc comment, only tests change. The
key-wallet-managertests pass with and without thekeep-finalized-transactionsfeature, and fmt, clippy, doc and typos are clean.🤖 Generated with Claude Code
PR Hygiene ·
7fcf250key-wallet-manager(key-wallet-manager/Cargo.toml,key-wallet-manager/src/lib.rs,key-wallet-manager/src/rescan_tests.rs) — QuantumExplorer or ZocoLini or xdustinfacekey-wallet(key-wallet/src/managed_account/managed_account_ref.rs) — QuantumExplorer or ZocoLini or xdustinfaceWhen every merge requirement is met, the
PR Hygienecheck passes. Reviewer limits do not block merging; other required GitHub checks and protections still apply.Summary by CodeRabbit