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@github-actions github-actions released this 01 Sep 03:03
· 15 commits to main since this release
26.8.1
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Upcoming Breaking Changes

  • Plugin API
    • PluginTransactionSelectorFactory.create(final SelectorsStateManager selectorsStateManager) is deprecated for removal
    • PoaQueryService and BftQueryService are deprecated and will be removed in a future release, with no replacement. They have no known usage
    • MiningService is deprecated for removal and will be removed in a future release, with no replacement. It has no known usage
    • PluginVersionsProvider, plugin.data.Request, plugin.data.Restriction, plugin.data.UnsignedPrivateMarkerTransaction and plugin.data.Signature are deprecated for removal, with no replacement. None is reachable through any plugin service or data contract: the three privacy types were orphaned when private transaction support was removed, Request is implemented internally but never exposed, and PluginVersionsProvider is internal --version plumbing
  • --Xbft-legacy-protocol-encoding will be removed once Besu 25.x is no longer supported. #10499
  • --Xsnapsync-synchronizer-pivot-block-distance-before-caching is deprecated and will be removed in a future release; the flag is now a silent no-op.
  • --snapsync-synchronizer-pre-checkpoint-headers-only-enabled is deprecated and will be removed in a future release; the flag is now a silent no-op.
  • --rpc-tx-feecap will treat a value of 0 as limiting fees to 0. Today it treats 0 as "do not cap fees". To achieve similar behaviour set it to a suitably large value to effectively prevent any fee capping.

Breaking Changes

  • JSON-RPC eth_newFilter and eth_subscribe (logs) now cap the number of addresses per filter at 1000 by default. Requests exceeding the limit are rejected with a -32005 error. Configure via --rpc-max-log-filter-addresses (set to 0 for no limit).
  • --network=dev is no longer supported; use ephemery or Kurtosis for local devnets. #10836
  • Plugin API: HealthCheckProvider now returns HealthCheckResult (status + details map) instead of boolean #10687
  • The experimental --Xmax-tracked-seen-txs-per-peer alias is removed (deprecated since 26.4.0). Use --Xmax-tracked-seen-txs instead. #11018
  • Plugin API
    • StateRootCommitter API redesign: removed the SYNCHRONOUS field and computeRoot(...) method; compute(MutableWorldState, BlockHeader, WorldUpdater) is now the abstract method for state root computation. #10804
    • MutableWorldState.persist(BlockHeader) is now abstract; implementations must provide it (previously it defaulted to persist(blockHeader, StateRootCommitter.SYNCHRONOUS)). #10804
  • Removed --min-block-occupancy-ratio option. The flag has been a silent no-op since 26.4.0. #11017
  • Removed BFT genesis config key xemptyblockperiodseconds (deprecated since 26.5.0). Use emptyblockperiodseconds instead.
  • Vert.x 5's PoolMetrics SPI drops the rejected callback, so the vertx_worker_pool_rejected_total metric no longer reports any value; remove any dashboard or alert that depends on it. #11015
  • Vert.x 5's DNS client now filters resolved records by comparing an answer's owner name against the queried name case-sensitively, silently dropping non-matching records instead of returning them as Vert.x 4.x did. EIP-1459 DNS discovery could miss subtree/node TXT records from a server whose response doesn't echo the query name byte-for-byte (e.g. differing case). #11015
  • Removed the custom engine_preparePayload_debug RPC methods, use the standard testing_buildBlockV1 instead. #11011
  • RPC changes to enhance compatibility with other ELs
    • eth_estimateGas now returns the exact minimal gas limit for plain value transfers instead of a value up to --estimate-gas-tolerance-ratio above it, e.g. 15000 instead of 15159 for a zero-value transfer under EIP-2780 (Amsterdam), matching other ELs. #11178
  • Transactions whose encoded size (excluding blobs) exceeds 128 KiB, are rejected at transaction pool admission, matching the limit enforced by other ELS. The limit is configurable via the new --tx-pool-max-tx-bytes option.

Additions and Improvements

  • Add JMH GasProfiler that emits mgas_per_s as a secondary metric on each benchmark iteration using Besu's own GasCalculator. Enable with -PgasProfiler=true; override the EVM fork with -PgasProfilerFork=<fork> (defaults to Osaka). #10807
  • Align Kotlin runtime dependencies to 2.4.0 to support plugins compiled against the Kotlin 2.4 API. #10983
  • Upgrade log4j to 2.25.5 #11075
  • Upgrade netty dependency to 4.2.17.Final #11078
  • Upgrade to vertx 5.1.6, along with the tuweni (2.7.2 → 2.8.0) and io.consensys.protocols:discovery (26.6.0 → 26.8.0) dependencies it required, and the JUnit BOM (5.13.4 → 5.14.4). #11015
  • Extract the Plugin API storage module. The key-value storage contracts (StorageService, the KeyValueStorageFactory SPI with its store, transaction and snapshot interfaces, SegmentIdentifier, the data storage configuration views and StorageException) now live in a new besu-plugin-api-storage artifact, re-exported by besu-plugin-api so existing consumers are unaffected. Also adds an org.hyperledger.besu.plugin.storage.StorageConfiguration service exposing the storage path and data storage configuration. #10984
  • Extract the Plugin API p2p module. The peer-to-peer networking contracts (P2PService and the Peer, PeerConnection, PeerInfo, Capability and Message data views) now live in a new besu-plugin-api-p2p artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #10995
  • Extract the Plugin API txpool module. The transaction pool contracts (TransactionPoolService, TransactionPoolValidatorService and the PluginTransactionPoolValidator / PluginTransactionPoolValidatorFactory validation SPI) now live in a new besu-plugin-api-txpool artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11007
  • Extract the Plugin API sync module. The synchronization contracts (SynchronizationService and the SyncStatus data view) now live in a new besu-plugin-api-sync artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11052
  • Extract the Plugin API rpc module. The RPC endpoint and health check contracts (RpcEndpointService, HealthCheckService, the PluginRpcRequest / PluginRpcResponse / RpcResponse / RpcResponseType request and response types, RpcMethodError and PluginRpcEndpointException) now live in a new besu-plugin-api-rpc artifact, re-exported by besu-plugin-api so existing consumers are unaffected. Also adds an org.hyperledger.besu.plugin.rpc.RpcConfiguration service exposing the configured RPC HTTP host, port and timeout. #11070
  • Extract the Plugin API chain module. The blockchain query, RLP conversion and block-view contracts (BlockchainService, RlpConverterService and the BlockContext, AddedBlockContext, PropagatedBlockContext, BadBlockCause and LogWithMetadata data interfaces) now live in a new besu-plugin-api-chain artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11110
  • Extract the Plugin API worldstate module. The world state observation contracts (WorldStateService, TrieLogService and the TrieLog, TrieLogAccumulator, TrieLogEvent, TrieLogFactory and TrieLogProvider trie-log contracts) now live in a new besu-plugin-api-worldstate artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11117
  • Extract the Plugin API worldstate-backend module. The world state backend contracts (MutableWorldState, StateRootCommitter, StateRootComputation, WorldStateKeyValueStorage and WorldStatePreimageStorage) now live in a new besu-plugin-api-worldstate-backend artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11118
  • Extract the Plugin API execution module. The simulation and tracing contracts (TransactionSimulationService, BlockSimulationService, TraceService, the BlockImportTracerProvider / BlockAwareOperationTracer tracer SPI and the BlockOverrides, PluginBlockSimulationResult, TransactionSimulationResult, BlockTraceResult and TransactionTraceResult data types) now live in a new besu-plugin-api-execution artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11172
  • Extract the Plugin API blockproduction module. The transaction selection and mining control contracts (TransactionSelectionService, MiningService, the PluginTransactionSelector / PluginTransactionSelectorFactory / TransactionSelector / AbstractStatefulPluginTransactionSelector selection SPI, BlockTransactionSelectionService, SelectorsStateManager, and the TransactionEvaluationContext and TransactionSelectionResult data types) now live in a new besu-plugin-api-blockproduction artifact, re-exported by besu-plugin-api so existing consumers are unaffected. #11182
  • Add --p2p-discovery-port and --p2p-discovery-port-ipv6 flags to configure a separate UDP port for devp2p peer discovery, independent of the TCP p2p port. Specify 0 to request an ephemeral port from the OS. #10718
  • Pending peer request iteration: streamAvailablePeers() scan replaced with an allocation-free capacity check. Reduces lock contention and GC pressure under a backlog of pending peer requests. #10900
  • Engine API methods now execute concurrently, with only engine_forkchoiceUpdated and engine_newPayload calls processed serially in arrival order as the Engine API spec mandates. Previously all engine calls were serialized on a single thread, so light requests like engine_getBlobsV2 could queue behind a block import and exceed the consensus client's timeout. #11053
  • Add a server-side cap on EVM steps captured per debug_traceCallMany to prevent unbounded execution #11142
  • Add EIP-8070 Engine API surface: engine_getBlobsV4 and custodyColumns #11141

Bug fixes

  • Reject non-empty withdrawals in BFT blocks (GHSA-p4h2-gvh4-pv6j)
  • Use unsigned comparison for EIP-7825 transaction gas limit cap (GHSA-hmg2-5mmq-gv7c)
  • Reject HMAC algorithm when public key file is supplied (GHSA-jxwx-rxf9-pg2g)
  • Fail closed when ephemeral Engine API JWT key cannot be persisted (GHSA-f429-4669-7rpx)
  • Cap logs block range (GHSA-g499-x5x3-8gjj)
  • engine_newPayloadV5 now returns {status: INVALID} instead of a -32602 JSON-RPC error when a present blockAccessList cannot be decoded; a missing blockAccessList still returns -32602. #11177
  • debug_getRawReceipts now accepts a block hash as well as a block number or tag. #11156
  • Support dynamic reorg tracking for transaction receipt logs in eth_getTransactionReceipt and eth_getBlockReceipts by populating the removed field. #11076
  • testing_buildBlockV1 now uses the genesis gas limit as the effective target when no targetGasLimit is specified, so the gas limit calculator applies a one-step decrement rather than holding the parent value. #11166
  • Keep evmtool state-test --json stdout valid JSONL by omitting the human-readable final summary in that mode. #11127
  • admin_generateLogBloomCache now clamps both block bounds to the chain head. #11135
  • The insufficient-peers permissioning provider no longer loses track of how many non-bootnode peers are connected. Its tally could drift in both directions — a connection rejected before its connect event was dispatched still decremented it, and a connection whose endpoint resolved differently on disconnect failed to — leaving the bootstrap permissioning exception either permanently armed or permanently disarmed. Connections are now tracked by identity, so a negative count is unrepresentable. #11138
  • eth_getTransactionByBlockHashAndIndex reported a malformed block hash at parameter 0 as Invalid transaction hash params; it now reports Invalid block hash params. #11119
  • Fix debug_getRawTransaction returning bare RLP payload (missing EIP-2718 type-byte prefix) for typed transactions, causing keccak256(raw) != txHash. Fix debug_getRawReceipts double-wrapping typed receipts in an outer RLP byte-string instead of returning the raw type || rlp(payload) wire encoding. #11083
  • Port clash detection during Besu start now treats TCP and UDP ports separately. #10904
  • BFT (QBFT/IBFT) networks configured with Paris or a later execution fork no longer use the PoS transaction selection timeout. The protocol spec inherited isPoS=true from the mainnet fork definitions, so --poa-block-txs-selection-max-time was ignored and transaction selection ran for the full --block-txs-selection-max-time (5000 ms by default), inflating block times on short block-period networks. #11005
  • Fix NullPointerException in the JSON-RPC HTTP timeout handler for batch (array) requests. 11023
  • Fix --discovery-mode=BOTH/V5 re-proposing its entire known-peer table for outbound connection on every discovery tick, driving excess CPU/GC from wasted RLPx handshakes. #11027
  • Restore structured {peers, sync} detail in plugin-based /readiness responses via HealthCheckProvider #10687
  • Fixed debug_traceTransaction/debug_traceCall/debug_traceBlock returning an invalid empty-string returnValue and a phantom STOP entry in structLogs for legacy EOA-to-EOA transfers that execute no EVM code. Now returns returnValue:"0x" and empty structLogs, matching the execution-apis opcode-tracer schema. #10972
  • Honor callTracer's onlyTopCall tracer config in debug_traceTransaction/debug_traceCall/debug_traceBlock; the option was previously accepted but ignored, so responses always included the nested calls array. #10967
  • EIP-1459 DNS discovery now verifies that each subtree record hashes to the subdomain it was served from, as the client protocol requires. #10988
  • Fix wrong Bonsai storage root for same-block selfdestruct+recreate with unchanged slot values. #10979
  • eth_simulateV1 no longer applies EIP-7825's transaction gas limit cap to simulation gas, fixing incorrect block/transaction hashes on Osaka #10885
  • Move to a new BFT round and select a new proposer for a block if transactions arrive at a non-proposing node after blockperiodseconds but before emptyblockperiodseconds #11031
  • Complete QBFT votes in a reasonable time when empyblockperiodseconds is set by treating QBFT votes as "non empty blocks" #11111
  • engine_newPayload no longer briefly answers SYNCING after startup on a peerless node: PostMergeContext.isSyncing() now treats an undetermined terminal-difficulty flag as "reached", matching SyncState.isInSync(). #11168
  • Engine API timestamps above 2^63-1 are no longer treated as negative: engine_newPayload rejected such a payload's withdrawals as pre-Shanghai, engine_forkchoiceUpdated failed to parse the payload attributes timestamp at all, and post-merge header validation saw the block as older than its parent.

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0e0ed9cc0d8fa9091081b6c5d4646f15bbf7e33a6eb1e9f7bfb2ef831fe9aaf4 besu-26.8.1.tar.gz

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