diff --git a/arbnode/batch_poster.go b/arbnode/batch_poster.go index 0b05874dd..3f6579b56 100644 --- a/arbnode/batch_poster.go +++ b/arbnode/batch_poster.go @@ -150,6 +150,8 @@ type BatchPosterConfig struct { MaxSize int `koanf:"max-size" reload:"hot"` // Maximum 4844 blob enabled batch size. Max4844BatchSize int `koanf:"max-4844-batch-size" reload:"hot"` + // Maximum EigenDA blob enabled batch size. + MaxEigenDABatchSize int `koanf:"max-eigenda-batch-size" reload:"hot"` // Max batch post delay. MaxDelay time.Duration `koanf:"max-delay" reload:"hot"` // Wait for max BatchPost delay. @@ -210,6 +212,7 @@ func BatchPosterConfigAddOptions(prefix string, f *pflag.FlagSet) { f.Bool(prefix+".disable-dap-fallback-store-data-on-chain", DefaultBatchPosterConfig.DisableDapFallbackStoreDataOnChain, "If unable to batch to DA provider, disable fallback storing data on chain") f.Int(prefix+".max-size", DefaultBatchPosterConfig.MaxSize, "maximum batch size") f.Int(prefix+".max-4844-batch-size", DefaultBatchPosterConfig.Max4844BatchSize, "maximum 4844 blob enabled batch size") + f.Int(prefix+".max-eigenda-batch-size", DefaultBatchPosterConfig.MaxEigenDABatchSize, "maximum EigenDA blob enabled batch size") f.Duration(prefix+".max-delay", DefaultBatchPosterConfig.MaxDelay, "maximum batch posting delay") f.Bool(prefix+".wait-for-max-delay", DefaultBatchPosterConfig.WaitForMaxDelay, "wait for the max batch delay, even if the batch is full") f.Duration(prefix+".poll-interval", DefaultBatchPosterConfig.PollInterval, "how long to wait after no batches are ready to be posted before checking again") @@ -236,6 +239,7 @@ var DefaultBatchPosterConfig = BatchPosterConfig{ DisableDapFallbackStoreDataOnChain: false, // This default is overridden for L3 chains in applyChainParameters in cmd/nitro/nitro.go MaxSize: 100000, + MaxEigenDABatchSize: 2_000_000, // Try to fill 3 blobs per batch Max4844BatchSize: blobs.BlobEncodableData*(params.MaxBlobGasPerBlock/params.BlobTxBlobGasPerBlob)/2 - 2000, PollInterval: time.Second * 10, @@ -270,6 +274,7 @@ var TestBatchPosterConfig = BatchPosterConfig{ Enable: true, MaxSize: 100000, Max4844BatchSize: DefaultBatchPosterConfig.Max4844BatchSize, + MaxEigenDABatchSize: DefaultBatchPosterConfig.MaxEigenDABatchSize, PollInterval: time.Millisecond * 10, ErrorDelay: time.Millisecond * 10, MaxDelay: 0, @@ -293,6 +298,7 @@ var EigenDABatchPosterConfig = BatchPosterConfig{ Enable: true, MaxSize: 100000, Max4844BatchSize: DefaultBatchPosterConfig.Max4844BatchSize, + MaxEigenDABatchSize: DefaultBatchPosterConfig.MaxEigenDABatchSize, PollInterval: time.Millisecond * 10, ErrorDelay: time.Millisecond * 10, MaxDelay: 0, @@ -707,10 +713,12 @@ type buildingBatch struct { useEigenDA bool } -func newBatchSegments(firstDelayed uint64, config *BatchPosterConfig, backlog uint64, use4844 bool) *batchSegments { +func newBatchSegments(firstDelayed uint64, config *BatchPosterConfig, backlog uint64, use4844 bool, useEigenDA bool) *batchSegments { maxSize := config.MaxSize if use4844 { maxSize = config.Max4844BatchSize + } else if useEigenDA { + maxSize = config.MaxEigenDABatchSize } else { if maxSize <= 40 { panic("Maximum batch size too small") @@ -1236,7 +1244,7 @@ func (b *BatchPoster) maybePostSequencerBatch(ctx context.Context) (bool, error) } b.building = &buildingBatch{ - segments: newBatchSegments(batchPosition.DelayedMessageCount, b.config(), b.GetBacklogEstimate(), use4844), + segments: newBatchSegments(batchPosition.DelayedMessageCount, b.config(), b.GetBacklogEstimate(), use4844, useEigenDA), msgCount: batchPosition.MessageCount, startMsgCount: batchPosition.MessageCount, use4844: use4844, diff --git a/cmd/nitro/nitro.go b/cmd/nitro/nitro.go index 0eaf461fa..a226af1e0 100644 --- a/cmd/nitro/nitro.go +++ b/cmd/nitro/nitro.go @@ -51,6 +51,7 @@ import ( "github.com/offchainlabs/nitro/cmd/genericconf" "github.com/offchainlabs/nitro/cmd/util" "github.com/offchainlabs/nitro/cmd/util/confighelpers" + "github.com/offchainlabs/nitro/eigenda" "github.com/offchainlabs/nitro/execution/gethexec" _ "github.com/offchainlabs/nitro/execution/nodeInterface" "github.com/offchainlabs/nitro/solgen/go/bridgegen" @@ -601,6 +602,17 @@ func mainImpl() int { return 1 } } + + // NOTE: since the SRS is stored within the arbitrator and predetermines the max batch size + // supported for proving stateless execution - it could be possible to read from dynamically + // otherwise it maybe best to expose the max supported batch size from the disperser directly + // to ensure dynamically adaptability within the rollup. + if nodeConfig.Node.BatchPoster.Enable && nodeConfig.Node.EigenDA.Enable { + if nodeConfig.Node.BatchPoster.MaxEigenDABatchSize > eigenda.MaxBatchSize { + log.Error("batchPoster's MaxEigenDABatchSize too large.", "MaxEigenDABatchSize", eigenda.MaxBatchSize) + return 1 + } + } // If sequencer is enabled, validate MaxTxDataSize to be at least 5kB below the batch poster's MaxSize to allow space for headers and such. // And since batchposter's MaxSize is to be at least 10kB below the sequencer inbox’s maxDataSize, this leads to another condition of atlest 15kB below the sequencer inbox’s maxDataSize. if nodeConfig.Execution.Sequencer.Enable { diff --git a/eigenda/eigenda.go b/eigenda/eigenda.go index c3867cade..090ab1fa2 100644 --- a/eigenda/eigenda.go +++ b/eigenda/eigenda.go @@ -12,6 +12,8 @@ const ( // NOTE - this will need to be updated everytime there are changes to the Inbox interface // TODO - consoldiate ABI to only include `addSequencerBatchFromEigenDA` method signature or add ingestion of ABI file upon initialization of an arbitrum node sequencerInboxABI = `[{"type":"constructor","inputs":[{"name":"_maxDataSize","type":"uint256","internalType":"uint256"},{"name":"reader4844_","type":"address","internalType":"contract IReader4844"},{"name":"eigenDAServiceManager_","type":"address","internalType":"contract IEigenDAServiceManager"},{"name":"eigenDARollupManager_","type":"address","internalType":"contract IRollupManager"},{"name":"_isUsingFeeToken","type":"bool","internalType":"bool"}],"stateMutability":"nonpayable"},{"type":"function","name":"BROTLI_MESSAGE_HEADER_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"DAS_MESSAGE_HEADER_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"DATA_AUTHENTICATED_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"DATA_BLOB_HEADER_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"EIGENDA_MESSAGE_HEADER_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"HEADER_LENGTH","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"type":"function","name":"TREE_DAS_MESSAGE_HEADER_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"ZERO_HEAVY_MESSAGE_HEADER_FLAG","inputs":[],"outputs":[{"name":"","type":"bytes1","internalType":"bytes1"}],"stateMutability":"view"},{"type":"function","name":"addSequencerL2Batch","inputs":[{"name":"sequenceNumber","type":"uint256","internalType":"uint256"},{"name":"data","type":"bytes","internalType":"bytes"},{"name":"afterDelayedMessagesRead","type":"uint256","internalType":"uint256"},{"name":"gasRefunder","type":"address","internalType":"contract IGasRefunder"},{"name":"prevMessageCount","type":"uint256","internalType":"uint256"},{"name":"newMessageCount","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"addSequencerL2BatchFromBlobs","inputs":[{"name":"sequenceNumber","type":"uint256","internalType":"uint256"},{"name":"afterDelayedMessagesRead","type":"uint256","internalType":"uint256"},{"name":"gasRefunder","type":"address","internalType":"contract IGasRefunder"},{"name":"prevMessageCount","type":"uint256","internalType":"uint256"},{"name":"newMessageCount","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"addSequencerL2BatchFromEigenDA","inputs":[{"name":"sequenceNumber","type":"uint256","internalType":"uint256"},{"name":"blobVerificationProof","type":"tuple","internalType":"struct EigenDARollupUtils.BlobVerificationProof","components":[{"name":"batchId","type":"uint32","internalType":"uint32"},{"name":"blobIndex","type":"uint32","internalType":"uint32"},{"name":"batchMetadata","type":"tuple","internalType":"struct IEigenDAServiceManager.BatchMetadata","components":[{"name":"batchHeader","type":"tuple","internalType":"struct IEigenDAServiceManager.BatchHeader","components":[{"name":"blobHeadersRoot","type":"bytes32","internalType":"bytes32"},{"name":"quorumNumbers","type":"bytes","internalType":"bytes"},{"name":"signedStakeForQuorums","type":"bytes","internalType":"bytes"},{"name":"referenceBlockNumber","type":"uint32","internalType":"uint32"}]},{"name":"signatoryRecordHash","type":"bytes32","internalType":"bytes32"},{"name":"confirmationBlockNumber","type":"uint32","internalType":"uint32"}]},{"name":"inclusionProof","type":"bytes","internalType":"bytes"},{"name":"quorumIndices","type":"bytes","internalType":"bytes"}]},{"name":"blobHeader","type":"tuple","internalType":"struct IEigenDAServiceManager.BlobHeader","components":[{"name":"commitment","type":"tuple","internalType":"struct BN254.G1Point","components":[{"name":"X","type":"uint256","internalType":"uint256"},{"name":"Y","type":"uint256","internalType":"uint256"}]},{"name":"dataLength","type":"uint32","internalType":"uint32"},{"name":"quorumBlobParams","type":"tuple[]","internalType":"struct IEigenDAServiceManager.QuorumBlobParam[]","components":[{"name":"quorumNumber","type":"uint8","internalType":"uint8"},{"name":"adversaryThresholdPercentage","type":"uint8","internalType":"uint8"},{"name":"confirmationThresholdPercentage","type":"uint8","internalType":"uint8"},{"name":"chunkLength","type":"uint32","internalType":"uint32"}]}]},{"name":"gasRefunder","type":"address","internalType":"contract IGasRefunder"},{"name":"afterDelayedMessagesRead","type":"uint256","internalType":"uint256"},{"name":"prevMessageCount","type":"uint256","internalType":"uint256"},{"name":"newMessageCount","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"addSequencerL2BatchFromOrigin","inputs":[{"name":"","type":"uint256","internalType":"uint256"},{"name":"","type":"bytes","internalType":"bytes"},{"name":"","type":"uint256","internalType":"uint256"},{"name":"","type":"address","internalType":"contract IGasRefunder"}],"outputs":[],"stateMutability":"pure"},{"type":"function","name":"addSequencerL2BatchFromOrigin","inputs":[{"name":"sequenceNumber","type":"uint256","internalType":"uint256"},{"name":"data","type":"bytes","internalType":"bytes"},{"name":"afterDelayedMessagesRead","type":"uint256","internalType":"uint256"},{"name":"gasRefunder","type":"address","internalType":"contract IGasRefunder"},{"name":"prevMessageCount","type":"uint256","internalType":"uint256"},{"name":"newMessageCount","type":"uint256","internalType":"uint256"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"batchCount","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"type":"function","name":"batchPosterManager","inputs":[],"outputs":[{"name":"","type":"address","internalType":"address"}],"stateMutability":"view"},{"type":"function","name":"bridge","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IBridge"}],"stateMutability":"view"},{"type":"function","name":"dasKeySetInfo","inputs":[{"name":"","type":"bytes32","internalType":"bytes32"}],"outputs":[{"name":"isValidKeyset","type":"bool","internalType":"bool"},{"name":"creationBlock","type":"uint64","internalType":"uint64"}],"stateMutability":"view"},{"type":"function","name":"eigenDARollupManager","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IRollupManager"}],"stateMutability":"view"},{"type":"function","name":"eigenDAServiceManager","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IEigenDAServiceManager"}],"stateMutability":"view"},{"type":"function","name":"forceInclusion","inputs":[{"name":"_totalDelayedMessagesRead","type":"uint256","internalType":"uint256"},{"name":"kind","type":"uint8","internalType":"uint8"},{"name":"l1BlockAndTime","type":"uint64[2]","internalType":"uint64[2]"},{"name":"baseFeeL1","type":"uint256","internalType":"uint256"},{"name":"sender","type":"address","internalType":"address"},{"name":"messageDataHash","type":"bytes32","internalType":"bytes32"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"getKeysetCreationBlock","inputs":[{"name":"ksHash","type":"bytes32","internalType":"bytes32"}],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"type":"function","name":"inboxAccs","inputs":[{"name":"index","type":"uint256","internalType":"uint256"}],"outputs":[{"name":"","type":"bytes32","internalType":"bytes32"}],"stateMutability":"view"},{"type":"function","name":"initialize","inputs":[{"name":"bridge_","type":"address","internalType":"contract IBridge"},{"name":"maxTimeVariation_","type":"tuple","internalType":"struct ISequencerInbox.MaxTimeVariation","components":[{"name":"delayBlocks","type":"uint256","internalType":"uint256"},{"name":"futureBlocks","type":"uint256","internalType":"uint256"},{"name":"delaySeconds","type":"uint256","internalType":"uint256"},{"name":"futureSeconds","type":"uint256","internalType":"uint256"}]}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"invalidateKeysetHash","inputs":[{"name":"ksHash","type":"bytes32","internalType":"bytes32"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"isBatchPoster","inputs":[{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"type":"function","name":"isSequencer","inputs":[{"name":"","type":"address","internalType":"address"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"type":"function","name":"isUsingFeeToken","inputs":[],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"type":"function","name":"isValidKeysetHash","inputs":[{"name":"ksHash","type":"bytes32","internalType":"bytes32"}],"outputs":[{"name":"","type":"bool","internalType":"bool"}],"stateMutability":"view"},{"type":"function","name":"maxDataSize","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"type":"function","name":"maxTimeVariation","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"},{"name":"","type":"uint256","internalType":"uint256"},{"name":"","type":"uint256","internalType":"uint256"},{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"type":"function","name":"postUpgradeInit","inputs":[],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"reader4844","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IReader4844"}],"stateMutability":"view"},{"type":"function","name":"removeDelayAfterFork","inputs":[],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"rollup","inputs":[],"outputs":[{"name":"","type":"address","internalType":"contract IOwnable"}],"stateMutability":"view"},{"type":"function","name":"setBatchPosterManager","inputs":[{"name":"newBatchPosterManager","type":"address","internalType":"address"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"setIsBatchPoster","inputs":[{"name":"addr","type":"address","internalType":"address"},{"name":"isBatchPoster_","type":"bool","internalType":"bool"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"setIsSequencer","inputs":[{"name":"addr","type":"address","internalType":"address"},{"name":"isSequencer_","type":"bool","internalType":"bool"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"setMaxTimeVariation","inputs":[{"name":"maxTimeVariation_","type":"tuple","internalType":"struct ISequencerInbox.MaxTimeVariation","components":[{"name":"delayBlocks","type":"uint256","internalType":"uint256"},{"name":"futureBlocks","type":"uint256","internalType":"uint256"},{"name":"delaySeconds","type":"uint256","internalType":"uint256"},{"name":"futureSeconds","type":"uint256","internalType":"uint256"}]}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"setValidKeyset","inputs":[{"name":"keysetBytes","type":"bytes","internalType":"bytes"}],"outputs":[],"stateMutability":"nonpayable"},{"type":"function","name":"totalDelayedMessagesRead","inputs":[],"outputs":[{"name":"","type":"uint256","internalType":"uint256"}],"stateMutability":"view"},{"type":"event","name":"InboxMessageDelivered","inputs":[{"name":"messageNum","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"data","type":"bytes","indexed":false,"internalType":"bytes"}],"anonymous":false},{"type":"event","name":"InboxMessageDeliveredFromOrigin","inputs":[{"name":"messageNum","type":"uint256","indexed":true,"internalType":"uint256"}],"anonymous":false},{"type":"event","name":"InvalidateKeyset","inputs":[{"name":"keysetHash","type":"bytes32","indexed":true,"internalType":"bytes32"}],"anonymous":false},{"type":"event","name":"OwnerFunctionCalled","inputs":[{"name":"id","type":"uint256","indexed":true,"internalType":"uint256"}],"anonymous":false},{"type":"event","name":"SequencerBatchData","inputs":[{"name":"batchSequenceNumber","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"data","type":"bytes","indexed":false,"internalType":"bytes"}],"anonymous":false},{"type":"event","name":"SequencerBatchDelivered","inputs":[{"name":"batchSequenceNumber","type":"uint256","indexed":true,"internalType":"uint256"},{"name":"beforeAcc","type":"bytes32","indexed":true,"internalType":"bytes32"},{"name":"afterAcc","type":"bytes32","indexed":true,"internalType":"bytes32"},{"name":"delayedAcc","type":"bytes32","indexed":false,"internalType":"bytes32"},{"name":"afterDelayedMessagesRead","type":"uint256","indexed":false,"internalType":"uint256"},{"name":"timeBounds","type":"tuple","indexed":false,"internalType":"struct IBridge.TimeBounds","components":[{"name":"minTimestamp","type":"uint64","internalType":"uint64"},{"name":"maxTimestamp","type":"uint64","internalType":"uint64"},{"name":"minBlockNumber","type":"uint64","internalType":"uint64"},{"name":"maxBlockNumber","type":"uint64","internalType":"uint64"}]},{"name":"dataLocation","type":"uint8","indexed":false,"internalType":"enum IBridge.BatchDataLocation"}],"anonymous":false},{"type":"event","name":"SetValidKeyset","inputs":[{"name":"keysetHash","type":"bytes32","indexed":true,"internalType":"bytes32"},{"name":"keysetBytes","type":"bytes","indexed":false,"internalType":"bytes"}],"anonymous":false},{"type":"error","name":"AlreadyInit","inputs":[]},{"type":"error","name":"AlreadyValidDASKeyset","inputs":[{"name":"","type":"bytes32","internalType":"bytes32"}]},{"type":"error","name":"BadMaxTimeVariation","inputs":[]},{"type":"error","name":"BadPostUpgradeInit","inputs":[]},{"type":"error","name":"BadSequencerNumber","inputs":[{"name":"stored","type":"uint256","internalType":"uint256"},{"name":"received","type":"uint256","internalType":"uint256"}]},{"type":"error","name":"DataBlobsNotSupported","inputs":[]},{"type":"error","name":"DataTooLarge","inputs":[{"name":"dataLength","type":"uint256","internalType":"uint256"},{"name":"maxDataLength","type":"uint256","internalType":"uint256"}]},{"type":"error","name":"DelayedBackwards","inputs":[]},{"type":"error","name":"DelayedTooFar","inputs":[]},{"type":"error","name":"Deprecated","inputs":[]},{"type":"error","name":"ForceIncludeBlockTooSoon","inputs":[]},{"type":"error","name":"ForceIncludeTimeTooSoon","inputs":[]},{"type":"error","name":"HadZeroInit","inputs":[]},{"type":"error","name":"IncorrectMessagePreimage","inputs":[]},{"type":"error","name":"InitParamZero","inputs":[{"name":"name","type":"string","internalType":"string"}]},{"type":"error","name":"InvalidHeaderFlag","inputs":[{"name":"","type":"bytes1","internalType":"bytes1"}]},{"type":"error","name":"MissingDataHashes","inputs":[]},{"type":"error","name":"NativeTokenMismatch","inputs":[]},{"type":"error","name":"NoSuchKeyset","inputs":[{"name":"","type":"bytes32","internalType":"bytes32"}]},{"type":"error","name":"NotBatchPoster","inputs":[]},{"type":"error","name":"NotBatchPosterManager","inputs":[{"name":"","type":"address","internalType":"address"}]},{"type":"error","name":"NotForked","inputs":[]},{"type":"error","name":"NotOrigin","inputs":[]},{"type":"error","name":"NotOwner","inputs":[{"name":"sender","type":"address","internalType":"address"},{"name":"owner","type":"address","internalType":"address"}]}]` + + MaxBatchSize = 2_000_000 // 2MB ) @@ -68,7 +70,7 @@ func (e *EigenDA) QueryBlob(ctx context.Context, cert *EigenDABlobInfo, domainFi // Store disperses a blob to EigenDA and returns the appropriate EigenDABlobInfo or certificate values func (e *EigenDA) Store(ctx context.Context, data []byte) (*EigenDABlobInfo, error) { - log.Info("Dispersing blob to EigenDA") + log.Info("Dispersing batch as blob to EigenDA", "dataLength", len(data)) var blobInfo = &EigenDABlobInfo{} cert, err := e.client.Put(ctx, data) if err != nil { diff --git a/nitro-testnode b/nitro-testnode index 13015ef02..dfa9c4ee1 160000 --- a/nitro-testnode +++ b/nitro-testnode @@ -1 +1 @@ -Subproject commit 13015ef029178f84710016844c97138602b82d9e +Subproject commit dfa9c4ee1312e4cfc15ec721fc7a35587384f7a6