V2 tightening updates#109
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Defer Tier 0 lookup failures until after tier1 and tier2 queries are dispatched so the server cannot distinguish zero-query vs two-query outcomes, and add regression coverage plus a changelog entry.
Fix Tier 0 pre-query privacy oracle
Treat server /params responses as compatibility checks only and always construct tier query parameters from protocol constants, so server-controlled bounds cannot suppress tier requests.
Apply rustfmt-only cleanups in pir/client/src/lib.rs so the branch passes package-level format checks.
…e-oracle Fix Tier-1 query-presence oracle in PIR client
Replace fail-fast try_join_all in fetch_proofs with join_all so one failing note cannot cancel sibling futures before they send tier-2 queries, and add a deterministic regression test plus changelog entry.
Fix batched tier-2 dispatch cancellation in fetch_proofs
Fail ingestion when lightwalletd responses are empty, non-contiguous, out of range, or out of order so incomplete ranges cannot be committed.
Validate lightwalletd block-range coverage before checkpointing
ValarDragon
approved these changes
Jun 7, 2026
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