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- Update `ErasureCodingService` to use `segmentsRoot` and `Either<Data, Data32>` for Merkle proofs, aligning with JAM encoding. - Make `FilesystemDataStore` initialization synchronous to prevent actor contention. - Update `NetworkManager` block announcement handling and inject `PeerManager`. - Remove placeholder and obsolete tests; serialize filesystem tests.
- Implement handlers for `AuditAnnouncement`, `JudgementPublication`, and `WorkPackageBundleSubmission` in `CEProtocolHandlers`. - Update `DataAvailabilityService` to publish response events for work reports and shard distribution, ensuring protocol handlers receive success or error signals.
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Found critical issues in Merkle proof verification logic, blocking I/O in actor methods, and incomplete protocol implementations.
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Blockchain/Sources/Blockchain/Validator/ErasureCodingService.swift:268-291
The Merkle proof verification logic is incorrect. It consistently hashes (current, sibling) regardless of the node's position in the tree. Verification must use the shardIndex bits to determine if the current node is the left or right child at each level, and hash (current, sibling) or (sibling, current) accordingly.
Blockchain/Sources/Blockchain/Validator/ErasureCodingService.swift:260-262
Avoid using try! for encoding. Although unlikely to fail for fixed-size types, it's safer to use try and handle or propagate errors to prevent potential runtime crashes.
Blockchain/Sources/Blockchain/Validator/ShardDistributionProtocolHandlers.swift:358-376
The handleBundleRequest implementation attempts to reconstruct the bundle by fetching shards from the local dataStore. A typical validator will only hold its own assigned shards, not shards for all other validators. This reconstruction will likely fail due to insufficient shards (need 342). If the node has the full bundle (e.g., in the Audit store), it should retrieve and return that directly instead of attempting reconstruction.
Blockchain/Sources/Blockchain/Validator/ErasureCodingDataStore.swift:471-472
getSegmentsWithNetworkFallback is incomplete and throws ErasureCodingStoreError.segmentNotFound instead of performing the network fetch. Implement the network fallback logic or remove the method if it's not ready for this release.
- Rename `CE139_140Handler` to `CESegmentShardHandler`. - Delete unused `HostCalls.swift` file. - Remove redundant initializer in `NetworkManager`. - Improve loop syntax in `PagedProofsGenerator` and format test data.
…ions - Fix Merkle proof verification in `ErasureCodingService` to correctly order hash arguments based on shard index bits. - Offload directory size calculation in `FilesystemDataStore` to a detached task to prevent blocking the actor. - Optimize `ShardDistributionProtocolHandlers` to serve bundles from the audit store before attempting reconstruction. - Add explicit error for unimplemented network fallback in `ErasureCodingDataStore`.
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… store - Implement handlers for `AuditShardRequestReceived` and `SegmentShardRequestReceived` in `DataAvailabilityService`. - Optimize `FilesystemDataStore` operations by offloading blocking I/O to detached tasks and improving atomicity. - Fix `guaranteePrefix` length byte in `ShardDistributionManager`. - Refactor justification generation to use raw shards and correctly handle Merkle proof node types in `ErasureCodingService`.
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- Implement bounded concurrency in `NetworkRequestHelper` for shard fetching to prevent resource exhaustion. - Parallelize D3L shard storage in `D3LSegmentStore` for improved performance. - Optimize shard retrieval in `ShardRetrieval` using dictionary lookups. - Improve error handling in `AvailabilityNetworkingHelpers` to allow partial success in fetch groups. - Remove unused `ShardDistributionProtocolHandlers` and cleanup `SegmentCache` API. - Update `DataAvailabilityService` to properly propagate network client and fetch strategy settings.
Use `FileManager.replaceItem` overload without `resultingItemURL` on Linux, as the full signature is not available.
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…systemDataStore Previously, replaceItem was used unconditionally, which could fail or behave unexpectedly if the target file did not exist. This change adds a check to use moveItem for creating new files while retaining replaceItem for atomically updating existing files.
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## master #378 +/- ##
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- Coverage 81.28% 71.48% -9.80%
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Files 359 404 +45
Lines 25138 30461 +5323
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+ Hits 20433 21776 +1343
- Misses 4705 8685 +3980 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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* Implement DataAvailabilityService core functionality * Implement Milestone 1: Core Data Storage Infrastructure * Implement ErasureCodingService for availability system * Add shard-level operations to RocksDBDataStore * Add comprehensive test suite for availability system * Add ErasureCodingDataStore integration layer * Integrate ErasureCodingDataStore with DataAvailabilityService * Implement D³L Store with Paged-Proofs per GP spec * Add comprehensive unit tests for availability system * Implement Milestone 5: Data Retrieval & Reconstruction * Fix SwiftLint violations in availability system * Integrate retrieval methods with DataAvailabilityService * Implement Milestone 6.1: Network Protocol Definition and JAMNP-S protocol support * Add comprehensive unit tests for availability networking code * Add storage monitoring and advanced cleanup capabilities * Integrate network fallback with ErasureCodingDataStore * Integrate network client with DataAvailabilityService * Add comprehensive integration tests for availability system * Add epoch-based cleanup and metrics tracking to availability system * Update Package.resolved * Fix critical issues found in polka review * Implement cleanup state persistence * Implement storage monitoring and alerting system * Add network metrics tracking for availability system * Add fallback timeout configuration and usage tracking * Add priority queue for cleanup ordering * Implement JAMNP-S CE 137-148 protocol handlers for shard distribution * Complete AvailabilityNetworkClient networking integration * Add unit tests for JAMNP-S CE protocol handlers * Fix critical issues identified by polka review * Complete optional enhancements for JAMNP-S protocol implementation * Implement missing JAMNP-S networking protocols CE 146 and CE 148 * Fix critical bugs in availability system * Fix critical compilation and data integrity issues * Fix critical logic error in concurrent shard fetching * Fix performance and reliability issues in availability system * Fix RocksDBSwift dependency issue with conditional compilation * Move RocksDBDataStore to Database module * Implement proper dependency injection for availability data store * Fix ErasureCodingService Justification type issues * Rename duplicate DataAvailabilityError to ErasureCodingStoreError * Add @sendable annotation to processor closures * Fix availability system build issues and code quality improvements * Fix RocksDBDataStore Swift 6 compatibility issues * Add bundle request support to CERequest enum * Fix Blockchain test suite for Swift 6 compatibility * Create InMemoryDataStore and re-enable disabled tests * Fix polka review issues: blocking I/O, force unwraps, memory usage, and performance * Disable test files requiring extensive async/await refactoring * Refactor ErasureCodingService and FilesystemDataStore tests for async/await * Remove disabled test files and fix remaining tests * Fix remaining synchronous I/O in FilesystemDataStore * Fix FilesystemDataStore concurrency issues with FileManager * Fix Node module build issues * Fix testHandleWorkReportDistribution test failure * Implement proper work report signature verification * Implement network layer integration for validator requests * Implement CE 147 and CE 148 protocol handlers * Implement response waiting for state/audit/segment/preimage requests * Fix critical force unwrap issues (Phase 1) * Extract duplicated error handling pattern (Phase 2) * Remove unused safe subscript extension (Phase 3) * Revert "Fix critical force unwrap issues (Phase 1)" * Replace magic numbers with named constants (Phase 3) * Simplify deep nesting in justification generation (Phase 4) * Fix MerklePath type annotation in helper methods * Fix JAMNP-S protocol compliance: UInt16 shard indices and message size limits * Fix critical performance bottlenecks and modernize synchronization primitives * Clean up code comments - remove redundancy and improve readability * Fix critical issues found by polka review * Fix additional issues found by polka review * Fix critical issues found by polka review (round 3) * Implement async response handling for CE 147/148 * Fix data integrity issues found by polka review * Fix protocol mismatches for CE 140/147/148 * Fix critical issues found by polka review (round 5) * Fix critical issues found by polka review (round 6) * Implement Phase 1 critical fixes from polka review solutions * Add early termination to cleanup routines for better performance * Improve multiaddr parsing robustness in DataAvailabilityService * Fix compilation warnings - Round 8 cleanup * Replace fatalError with proper error handling (Code Quality Phase 1) * Document @unchecked Sendable thread-safety (Code Quality Phase 2) * Complete @unchecked Sendable documentation (Code Quality Phase 3) * Complete comprehensive @unchecked Sendable thread-safety documentation * Fix DataStoreProtocol type mismatches for variable-length shard storage * Remove obsolete CE request types (bundleRequest, segmentRequest) * Split ErasureCodingDataStore monolith into 10 focused modules (Code Quality Phase 2) * Start DataAvailabilityService split: Extract helper services (Phase 2) * Extract NetworkRequestHelper module from DataAvailabilityService * Extract AssuranceCoordinator module from DataAvailabilityService * Extract WorkReportProcessor module from DataAvailabilityService * Extract ShardDistributionManager module from DataAvailabilityService * Split DataAvailabilityService into focused modules * Split HostCalls monolith into focused category modules * Complete code quality improvements and fix critical issues * Remove temporary backup files * refactor: update erasure coding proofs and network protocol - Update `ErasureCodingService` to use `segmentsRoot` and `Either<Data, Data32>` for Merkle proofs, aligning with JAM encoding. - Make `FilesystemDataStore` initialization synchronous to prevent actor contention. - Update `NetworkManager` block announcement handling and inject `PeerManager`. - Remove placeholder and obsolete tests; serialize filesystem tests. * feat: implement CE protocol message handlers and service responses - Implement handlers for `AuditAnnouncement`, `JudgementPublication`, and `WorkPackageBundleSubmission` in `CEProtocolHandlers`. - Update `DataAvailabilityService` to publish response events for work reports and shard distribution, ensuring protocol handlers receive success or error signals. * refactor: rename CE segment shard handler and cleanup code - Rename `CE139_140Handler` to `CESegmentShardHandler`. - Delete unused `HostCalls.swift` file. - Remove redundant initializer in `NetworkManager`. - Improve loop syntax in `PagedProofsGenerator` and format test data. * fix: correct merkle proof verification and optimize data store operations - Fix Merkle proof verification in `ErasureCodingService` to correctly order hash arguments based on shard index bits. - Offload directory size calculation in `FilesystemDataStore` to a detached task to prevent blocking the actor. - Optimize `ShardDistributionProtocolHandlers` to serve bundles from the audit store before attempting reconstruction. - Add explicit error for unimplemented network fallback in `ErasureCodingDataStore`. * feat(validator): add audit/segment request handlers and optimize file store - Implement handlers for `AuditShardRequestReceived` and `SegmentShardRequestReceived` in `DataAvailabilityService`. - Optimize `FilesystemDataStore` operations by offloading blocking I/O to detached tasks and improving atomicity. - Fix `guaranteePrefix` length byte in `ShardDistributionManager`. - Refactor justification generation to use raw shards and correctly handle Merkle proof node types in `ErasureCodingService`. * refactor: optimize data availability service and remove unused code - Implement bounded concurrency in `NetworkRequestHelper` for shard fetching to prevent resource exhaustion. - Parallelize D3L shard storage in `D3LSegmentStore` for improved performance. - Optimize shard retrieval in `ShardRetrieval` using dictionary lookups. - Improve error handling in `AvailabilityNetworkingHelpers` to allow partial success in fetch groups. - Remove unused `ShardDistributionProtocolHandlers` and cleanup `SegmentCache` API. - Update `DataAvailabilityService` to properly propagate network client and fetch strategy settings. * fix(Blockchain): support Linux in FilesystemDataStore atomic write Use `FileManager.replaceItem` overload without `resultingItemURL` on Linux, as the full signature is not available. * fix(blockchain): use moveItem when target file does not exist in FilesystemDataStore Previously, replaceItem was used unconditionally, which could fail or behave unexpectedly if the target file did not exist. This change adds a check to use moveItem for creating new files while retaining replaceItem for atomically updating existing files.
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