[fix]: fix path of secure_backend_path#4
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keanji-x
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…#22, #4) Quick fixes (zero risk): - #15: Replace panic on set_ordered_blocks failure with error propagation - #21: Replace unreachable!()/expect() in payload_manager with error returns - #24: Replace unwrap() on profile timing with unwrap_or to prevent panic - #26: Fix batch_info_to_time memory leak in ProofCoordinator::expire() Complex fixes: - #22: Add retry (3 attempts) + abort on randomness aggregation failure to prevent silent chain deadlock - #4: Add equivocation detection to PendingOrderVotes (author_to_vote map, DuplicateVote/EquivocateVote variants), matching PendingVotes pattern Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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keanji-x
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The original design without equivocation detection is BFT-safe: - Duplicate votes: signature overwritten via add_signature, voting power counted once via check_voting_power(.keys()) - Equivocating votes: forming two conflicting order certificates requires 2×(2f+1) = 4f+2 > 3f+1 = n votes, meaning f+1 Byzantine validators (exceeds tolerance) Adding detection to PendingOrderVotes (cross-round) is significantly more complex than PendingVotes (per-round), and the initial implementation had bugs (cross-round false positives, author_to_vote inserted before UnknownAuthor check). Upstream Aptos also omits this by design. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
keanji-x
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## Summary Addresses 6 issues from the security audit (tracked at https://github.com/keanji-x/gravity-sdk/issues): ### Quick Fixes (zero risk, one-line changes) - **#15** `set_ordered_blocks` panic → error propagation (`state_computer.rs`, `pipeline_builder.rs`) - `.unwrap_or_else(|e| panic!(...))` → `.map_err()?` - Previously crashed the consensus thread on epoch boundary errors - **#21** `DirectMempool` payload `unreachable!()` → error return (`payload_manager.rs`, 5 locations) - Also fixes `.expect()` on uninitialized payload status - Previously a malicious proposer could crash all validators by including `DirectMempool` payload - **#24** Profile timing `unwrap()` → `unwrap_or(UNIX_EPOCH)` (`block_buffer_manager.rs`) - Previously panicked in logging code when profile timing was not recorded - **#26** `batch_info_to_time` memory leak in `expire()` (`proof_coordinator.rs`) - Added `self.batch_info_to_time.remove()` alongside existing `batch_info_to_proof.remove()` - Previously leaked one entry per timed-out batch, indefinitely ### Complex Fixes - **#22** Randomness aggregation failure deadlock (`rand_store.rs`) - Added retry (3 attempts) inside `spawn_blocking` before giving up - On exhausted retries: `process::abort()` to trigger crash-recovery instead of silently hanging the entire chain forever - Root cause: `RandItem` transitions to `Decided` state but `decision_tx` is never sent on failure → `dequeue_rand_ready_prefix()` blocks all subsequent rounds permanently - **#4** `PendingOrderVotes` missing equivocation detection (`pending_order_votes.rs`, `round_manager.rs`) - Added `author_to_vote: HashMap<Author, HashValue>` tracking map - Added `DuplicateVote` and `EquivocateVote` variants to `OrderVoteReceptionResult` - Equivocation check runs before signature insertion — same pattern as `PendingVotes` - Updated `garbage_collect` to clean up the new map - Updated `process_order_vote_reception_result` to handle new variants gracefully (log + Ok, not Err) - Updated test to actually verify equivocation detection (previously the test comment said "EquivocateVote" but used a different author) ## Files Changed | File | Change | |------|--------| | `aptos-core/consensus/src/state_computer.rs` | #15: panic → error propagation | | `aptos-core/consensus/src/pipeline/pipeline_builder.rs` | #15: panic → error propagation | | `crates/block-buffer-manager/src/block_buffer_manager.rs` | #24: unwrap → unwrap_or | | `aptos-core/consensus/src/quorum_store/proof_coordinator.rs` | #26: add missing cleanup | | `aptos-core/consensus/src/payload_manager.rs` | #21: unreachable → error return | | `aptos-core/consensus/src/rand/rand_gen/rand_store.rs` | #22: retry + abort on failure | | `aptos-core/consensus/src/pending_order_votes.rs` | #4: equivocation detection | | `aptos-core/consensus/src/round_manager.rs` | #4: handle new result variants | ## Test plan - [ ] Verify existing consensus tests pass - [ ] Verify `pending_order_votes` test covers duplicate and equivocation cases - [ ] Test epoch transitions do not crash (previously panic on `set_ordered_blocks` error) - [ ] Run e2e cluster test with epoch change scenario CC: @Lchangliang @ByteYue @nekomoto911 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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