[stable2603] Backport #10917#11067
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EgorPopelyaev merged 4 commits intostable2603from Feb 16, 2026
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#10917) Implements persistent storage for the experimental collator protocol's reputation database. Changes: - Adds `PersistentDb` wrapper that persists the in-memory reputation DB to disk - Periodic persistence every 10 minutes (30s in test mode) - Immediate persistence on slashes and parachain deregistration - Loads existing state on startup with lookback for missed blocks Implementation: `PersistentDb` wraps the existing `Db` and adds persistence on top: - All reputation logic (scoring, decay, LRU) stays in `Db` - Persistence layer handles disk I/O and serialization - Per-para data stored in parachains_db Tests: - `basic_persistence.rs`: Validates persistence across restarts and startup lookback - `pruning.rs`: Validates automatic cleanup on parachain deregistration --------- Signed-off-by: Alexandru Cihodaru <alexandru.cihodaru@parity.io> Co-authored-by: alindima <alin@parity.io> Co-authored-by: Tsvetomir Dimitrov <tsvetomir@parity.io> Co-authored-by: Serban Iorga <serban@parity.io> Co-authored-by: Serban Iorga <serban300@gmail.com> Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com> (cherry picked from commit 744acf5)
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Backport #10917 into
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