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docs: log savedata corruption defense in CHANGELOG

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Merge migrations 0007 and 0008 into a single 0007_savedata_integrity
migration since neither has been released yet.
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Houmgaor
2026-03-17 19:30:43 +01:00
parent 01b829d0e9
commit 197164bc94
3 changed files with 11 additions and 5 deletions
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CHANGELOG.md
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@@ -22,6 +22,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added
- Savedata corruption defense (tier 1): bounded decompression in nullcomp prevents OOM from crafted payloads, bounds-checked delta patching prevents buffer overflows, compressed payload size limits (512KB) and decompressed size limits (1MB) reject oversized saves, rotating savedata backups (3 slots, 30-minute interval) provide recovery points
- Savedata corruption defense (tier 2): SHA-256 checksum on decompressed savedata verified on every load, atomic DB transactions wrapping character data + house data + hash + backup in a single commit, per-character save mutex preventing concurrent save races
- Database migration `0007_savedata_integrity` (rotating backup table + integrity checksum column)
- Tests for `logoutPlayer`, `saveAllCharacterData`, and transit message handlers
- Alliance `scanAllianceWithGuilds` test for missing guild (nil return from GetByID)
- Handler dispatch table test verifying all expected packet IDs are mapped