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fix(audit): batch 1 — latent unlock/path/rescan correctness bugs

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Four correctness fixes surfaced by the codebase audit:

1. Lite address-book path bug: AddressBook::getDefaultPath() hardcoded
   "ObsidianDragon" while Settings::getDefaultPath() uses DRAGONX_APP_NAME,
   so the Lite build wrote addressbook.json into the full-node app's config
   dir instead of ObsidianDragonLite/. Now uses DRAGONX_APP_NAME on all
   platforms (no macOS path change — the getConfigDir consolidation, which
   would move the macOS dir, is deferred).

2. PIN-unlock lockout bypass: the PIN path duplicated unlockWallet's
   success/lockout logic and its RPC-error branch bumped the attempt counter
   but skipped the escalating-lockout math entirely — a PIN user hitting an
   RPC error escaped the lockout curve. Extracted App::applyUnlockSuccess()
   and App::applyUnlockFailure() and routed all unlock paths (passphrase,
   PIN vault-fail, PIN RPC-fail) through them, so the lockout curve now
   applies uniformly. (noVault stays a mode-switch, not a failed attempt.)

3. Witness/rescan reset drift: the ~11-line rescan+witness completion reset
   was copy-pasted at four sites (app.cpp x2, app_network.cpp x2); adding a
   witness field and missing a copy would leave stale progress. Folded into
   App::resetWitnessRescanProgress(). Left the distinct phase-transition
   reset in App::update() untouched (it sets witness_phase, not 0).

4. Truncation underflow: send_tab/receive_tab's size_t TruncateAddress
   copies computed (maxLen - 3) without guarding maxLen <= 3, which wraps
   and throws std::out_of_range on short inputs. Added the guard.

Full-node + Lite build clean; ctest 1/1; source-hygiene clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
DanS
2026-07-02 15:54:36 -05:00
parent 530bf24abf
commit f8150434d4
7 changed files with 89 additions and 94 deletions
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24
src/app.cpp
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@@ -777,17 +777,8 @@ void App::update()
// poll (which hits the still-running pre-restart daemon, rescanning=false)
// would fire a false "complete" the instant rescan was clicked.
ui::Notifications::instance().success("Blockchain rescan complete");
state_.sync.rescanning = false;
rescan_confirmed_active_ = false;
resetWitnessRescanProgress();
state_.sync.rescan_progress = 1.0f;
state_.sync.rescan_status.clear();
state_.sync.building_witnesses = false;
state_.sync.witness_phase = 0;
state_.sync.witness_progress = 0.0f;
state_.sync.witness_remaining = 0;
witness_rebuild_total_blocks_ = 0;
witness_seen_txids_.clear();
witness_total_txs_ = 0;
}
// else: rescanning=false but not yet confirmed → pre-restart daemon; keep waiting.
};
@@ -1048,18 +1039,9 @@ void App::update()
if (state_.sync.rescanning) {
ui::Notifications::instance().success("Blockchain rescan complete");
}
state_.sync.rescanning = false;
rescan_confirmed_active_ = false;
state_.sync.rescan_progress = 1.0f;
state_.sync.rescan_status.clear();
// Witness rebuild finishes with the rescan it's part of.
state_.sync.building_witnesses = false;
state_.sync.witness_phase = 0;
state_.sync.witness_progress = 0.0f;
state_.sync.witness_remaining = 0;
witness_rebuild_total_blocks_ = 0;
witness_seen_txids_.clear();
witness_total_txs_ = 0;
resetWitnessRescanProgress();
state_.sync.rescan_progress = 1.0f;
} else if (foundWitness) {
// Witness rebuild is the tail phase of a rescan — keep rescanning set so
// the broader gating holds, but surface the witness-specific progress.