* Modify DefaultTimeout to 120 seconds
A temporary workaround for nodes having trouble to sync (currently the download of pruning point related data during IBD takes more than 30 seconds)
* Cache existence in reachability store
* Cache block level in the header
* Fix IBD indication on submit block
* Add hardForkOmitGenesisFromParentsDAAScore logic
* Fix NumThreads bug in the wallet
* Get rid of ParentsAtLevel header method
* Fix a bug in BuildPruningPointProof
* Increase race detector timeout
* Add cache to BuildPruningPointProof
* Add comments and temp comment out go vet
* Fix ParentsAtLevel
* Dont fill empty parents
* Change HardForkOmitGenesisFromParentsDAAScore in fast netsync test
* Add --allow-submit-block-when-not-synced in stability tests
* Fix TestPruning
* Return fast tests
* Fix off by one error on kaspawallet
* Fetch only one block with trusted data at a time
* Update fork DAA score
* Don't ban for unexpected message type
* Fix tests
Co-authored-by: Michael Sutton <mikisiton2@gmail.com>
Co-authored-by: Ori Newman <>
* Decrease the dial timeout to 1 second
* Don't set blocks from the pruning point anticone as the header selected tip.
Co-authored-by: Kaspa Profiler <>
* Implement a MinerState to cache the matrix and friends
* Modify the miner and related code to use the new MinerCache
* Change MinerState to State
* Make go lint happy
Co-authored-by: Ori Newman <orinewman1@gmail.com>
Co-authored-by: Kaspa Profiler <>
* Replace keccak with CSHAKE256 in oPoW
* Add benchmarks to hash writers to compare blake2b to the CSHAKE
* Update genesis blocks
* Update tests
* Define genesis's block level to be the maximal one
* Add message to genesis coinbase
* Add comments to genesis coinbase
* Fix tests
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* Send pruning point anticone in topological order
Fix a UTXO pagination bug
Lengthen the stabilization time for the last DAA test
* Extend "sudden hash rate drop" test length to 45 minutes
Co-authored-by: Kaspa Profiler <>
* Implement isBlockRewardFixed.
* Fix factory.go.
* Call isBlockRewardFixed from calcBlockSubsidy.
* Fix bad call to ghostdagDataStore.Get.
* Extract blue score and blue work from the header instead of from the ghostdagDataStore.
* Fix coinbasemanager constructor arguments order
* Format consensus_defaults.go
* Check the mainnet switch from the block's point of view rather than the virtual's.
* Don't call newBlockPruningPoint twice in buildBlock.
* Properly handle new pruning point blocks in isBlockRewardFixed.
* Use the correct variable.
* Add a comment explaining what we do when the pruning point is not found in isBlockRewardFixed.
* Implement TestBlockRewardSwitch.
* Add missing error handling.
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* Check blue score before requesting a pruning proof
* BuildPruningPointProof should return empty proof if the pruning point is genesis
* Don't fail many-tips if kaspad exits ungracefully
* Replace the old blockSubsidy parameters with the new ones.
* Return subsidyGenesisReward if blockHash is the genesis hash.
* Traverse a block's past for the subsidy calculation.
* Partially implement SubsidyStore.
* Refer to SubsidyStore from CoinbaseManager.
* Wrap calcBlockSubsidy in getBlockSubsidy, which first checks the database.
* Fix finalityStore not calling GenerateShardingID.
* Implement calculateAveragePastSubsidy.
* Implement calculateMergeSetSubsidySum.
* Implement calculateSubsidyRandomVariable.
* Implement calcBlockSubsidy.
* Add a TODO about floats.
* Update the calcBlockSubsidy TODO.
* Use binary.LittleEndian in calculateSubsidyRandomVariable.
* Fix bad range in calculateSubsidyRandomVariable.
* Replace float64 with big.Rat everywhere except for subsidyRandomVariable.
* Fix a nil dereference.
* Use a random walk to approximate the normal distribution.
* In order to avoid unsupported fractional results from powInt64, flip the numerator and the denominator manually.
* Set standardDeviation to 0.25, MaxSompi to 10_000_000_000 * SompiPerKaspa and defaultSubsidyGenesisReward to 1_000.
* Set the standard deviation to 0.2.
* Use a binomial distribution instead of trying to estimate the normal distribution.
* Change some values around.
* Clamp the block subsidy.
* Remove the fake duplicate constants in the util package.
* Reduce MaxSompi to only 100m Kaspa to avoid hitting the uint64 ceiling.
* Lower MaxSompi further to avoid new and exciting ways for the uint64 ceiling to be hit.
* Remove debug logs.
* Fix a couple of failing tests.
* Fix TestBlockWindow.
* Fix limitTransactionCount sometimes crashing on index-out-of-bounds.
* In TrustedDataDataDAABlock, replace BlockHeader with DomainBlock
* In calculateAveragePastSubsidy, use blockWindow instead of doing a BFS manually.
* Remove the reference to DAGTopologyManager in coinbaseManager.
* Add subsidy to the coinbase payload.
* Get rid of the subsidy store and extract subsidies out of coinbase transactions.
* Keep a blockWindow amount of blocks under the virtual for IBD purposes.
* Manually remove the virtual genesis from the merge set.
* Fix simnet genesis.
* Fix TestPruning.
* Fix TestCheckBlockIsNotPruned.
* Fix TestBlockWindow.
* Fix TestCalculateSignatureHashSchnorr.
* Fix TestCalculateSignatureHashECDSA.
* Fix serializing the wrong value into the coinbase payload.
* Rename coinbaseOutputForBlueBlock to coinbaseOutputAndSubsidyForBlueBlock.
* Add a TODO about optimizing trusted data DAA window blocks.
* Expand on a comment in TestCheckBlockIsNotPruned.
* In calcBlockSubsidy, divide the big.Int numerator by the big.Int denominator instead of converting to float64.
* Clarify a comment.
* Rename SubsidyMinGenesisReward to MinSubsidy.
* Properly handle trusted data blocks in calculateMergeSetSubsidySum.
* Use the first two bytes of the selected parent's hash for randomness instead of math/rand.
* Restore maxSompi to what it used to be.
* Fix TestPruning.
* Fix TestAmountCreation.
* Fix TestBlockWindow.
* Fix TestAmountUnitConversions.
* Increase the timeout in many-tips to 30 minutes.
* Check coinbase subsidy for every block
* Re-rename functions
* Use shift instead of powInt64 to determine subsidyRandom
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* Calculate GHOSTDAG, reachability etc for each level
* Don't preallocate cache for dag stores except level 0 and reduce the number of connections in the integration test to 32
* Reduce the number of connections in the integration test to 16
* Increase page file
* BuildPruningPointProof
* BuildPruningPointProof
* Add PruningProofManager
* Implement ApplyPruningPointProof
* Add prefix and fix blockAtDepth and fill headersByLevel
* Some bug fixes
* Include all relevant blocks for each level in the proof
* Fix syncAndValidatePruningPointProof to return the right block hash
* Fix block window
* Fix isAncestorOfPruningPoint
* Ban for rule errors on pruning proof
* Find common ancestor for blockAtDepthMAtNextLevel
* Use pruning proof in TestValidateAndInsertImportedPruningPoint
* stage status and finality point for proof blocks
* Uncomment golint
* Change test timeouts
* Calculate merge set for ApplyPruningPointProof
* Increase test timeout
* Add better caching for daa window store
* Return to default timeout
* Add ErrPruningProofMissesBlocksBelowPruningPoint
* Add errDAAWindowBlockNotFound
* Force connection loop next iteration on connection manager stop
* Revert to Test64IncomingConnections
* Remove BlockAtDepth from DAGTraversalManager
* numBullies->16
* Set page file size to 8gb
* Increase p2p max message size
* Test64IncomingConnections->Test16IncomingConnections
* Add comment for PruningProofM
* Add comment in `func (c *ConnectionManager) Stop()`
* Rename isAncestorOfPruningPoint->isAncestorOfSelectedTip
* Revert page file to 16gb
* Improve ExpectedHeaderPruningPoint perf
* Fix comment
* Revert "Improve ExpectedHeaderPruningPoint perf"
This reverts commit bca1080e7140c78d510f51bbea858ae280c2f38e.
* Don't test windows
* Create BlockParentBuilder.
* Implement BuildParents.
* Explictly set level 0 blocks to be the same as direct parents.
* Add checkIndirectParents to validateBlockHeaderInContext.
* Fix test_block_builder.go and BlockLevelParents::Equal.
* Don't check indirect parents for blocks with trusted data.
* Handle pruned blocks when building block level parents.
* Fix bad deletions from unprocessedXxxParents.
* Fix merge errors.
* Fix bad pruning point parent replaces.
* Fix duplicates in newBlockLevelParents.
* Skip checkIndirectParents
* Get rid of staging constant IDs
* Fix BuildParents
* Fix tests
* Add comments
* Change order of directParentHashes
* Get rid of maybeAddDirectParentParents
* Add comments
* Add blockToReferences type
* Use ParentsAtLevel
Co-authored-by: stasatdaglabs <stas@daglabs.com>
* Replace header finality point with pruning point
* Fix TestTransactionAcceptance
* Fix pruning candidate
* Store all past pruning points
* Pass pruning points on IBD
* Add blue score to block header
* Simplify ArePruningPointsInValidChain
* Fix static check errors
* Fix genesis
* Renames and text fixing
* Use ExpectedHeaderPruningPoint in block builder
* Fix TestCheckPruningPointViolation
* Replace the old parents in the block header with BlockLevelParents.
* Begin fixing compilation errors.
* Implement database serialization for block level parents.
* Implement p2p serialization for block level parents.
* Implement rpc serialization for block level parents.
* Add DirectParents() to the block header interface.
* Use DirectParents() instead of Parents() in some places.
* Revert test_block_builder.go.
* Add block level parents to hash serialization.
* Use the zero hash for genesis finality points.
* Fix failing tests.
* Fix a variable name.
* Update headerEstimatedSerializedSize.
* Add comments in blocklevelparents.go.
* Fix the rpc-stability stability test.
* Change the field number for `parents` fields in p2p.proto and rpc.proto.
* Remove MsgBlockHeader::NumParentBlocks.
* Implement GHOST.
* Implement TestGHOST.
* Make GHOST() take arbitrary subDAGs.
* Hold RootHashes in SubDAG rather than one GenesisHash.
* Select which root the GHOST chain starts with instead of passing a lowHash.
* If two child hashes have the same future size, decide which one is larger using the block hash.
* Extract blockHashWithLargestFutureSize to a separate function.
* Calculate future size for each block individually.
* Make TestGHOST deterministic.
* Increase the timeout for connecting 128 connections in TestRPCMaxInboundConnections.
* Implement BenchmarkGHOST.
* Fix an infinite loop.
* Use much larger benchmark data.
* Optimize `futureSizes` using reverse merge sets.
* Temporarily make the benchmark data smaller while GHOST is being optimized.
* Fix a bug in futureSizes.
* Fix a bug in populateReverseMergeSet.
* Choose a selectedChild at random instead of the one with the largest reverse merge set size.
* Rename populateReverseMergeSet to calculateReverseMergeSet.
* Use reachability to resolve isDescendantOf.
* Extract heightMaps to a separate object.
* Iterate using height maps in futureSizes.
* Don't store reverse merge sets in memory.
* Change calculateReverseMergeSet to calculateReverseMergeSetSize.
* Fix bad initial reverseMergeSetSize.
* Optimize calculateReverseMergeSetSize.
* Enlarge the benchmark data to 86k blocks.
* Add DAAScore, BlueWork, and FinalityPoint to externalapi.BlockHeader.
* Add DAAScore, BlueWork, and FinalityPoint to NewImmutableBlockHeader and fix compilation errors.
* Add DAAScore, BlueWork, and FinalityPoint to protowire header types and fix failing tests.
* Check for header DAA score in validateDifficulty.
* Add DAA score to buildBlock.
* Fix failing tests.
* Add a blue work check in validateDifficultyDAAAndBlueWork.
* Add blue work to buildBlock and fix failing tests.
* Add finality point validation to ValidateHeaderInContext.
* Fix genesis blocks' finality points.
* Add finalityPoint to blockBuilder.
* Fix tests that failed due to missing reachability data.
* Make blockBuilder use VirtualFinalityPoint instead of directly calling FinalityPoint with the virtual hash.
* Don't validate the finality point for blocks with trusted data.
* Add debug logs.
* Skip finality point validation for block whose finality points are the virtual genesis.
* Revert "Add debug logs."
This reverts commit 3c18f519ccbb382f86f63904dbb1c4cd6bc68b00.
* Move checkDAAScore and checkBlueWork to validateBlockHeaderInContext.
* Add checkCoinbaseBlueScore to validateBodyInContext.
* Fix failing tests.
* Add DAAScore, blueWork, and finalityPoint to blocks' hashes.
* Generate new genesis blocks.
* Fix failing tests.
* In BuildUTXOInvalidBlock, get the bits from StageDAADataAndReturnRequiredDifficulty instead of calling RequiredDifficulty separately.
* Update the virtual after overriding the virtual utxo set
* Put the updateVirtual inside importVirtualUTXOSetAndPruningPointUTXOSet
* Add pruningPoint to importVirtualUTXOSetAndPruningPointUTXOSet
* Remove sanity check
* Pruning headers p2p basic structure
* Remove headers-first
* Fix consensus tests except TestValidateAndInsertPruningPointWithSideBlocks and TestValidateAndInsertImportedPruningPoint
* Add virtual genesis
* Implement PruningPointAndItsAnticoneWithMetaData
* Start fixing TestValidateAndInsertImportedPruningPoint
* Fix TestValidateAndInsertImportedPruningPoint
* Fix BlockWindow
* Update p2p and gRPC
* Fix all tests except TestHandleRelayInvs
* Delete TestHandleRelayInvs parts that cover the old IBD flow
* Fix lint errors
* Add p2p_request_ibd_blocks.go
* Clean code
* Make MsgBlockWithMetaData implement its own representation
* Remove redundant check if highest share block is below the pruning point
* Fix TestCheckLockTimeVerifyConditionedByAbsoluteTimeWithWrongLockTime
* Fix comments, errors ane names
* Fix window size to the real value
* Check reindex root after each block at TestUpdateReindexRoot
* Remove irrelevant check
* Renames and comments
* Remove redundant argument from sendGetBlockLocator
* Don't delete staging on non-recoverable errors
* Renames and comments
* Remove redundant code
* Commit changes inside ResolveVirtual
* Add comment to IsRecoverableError
* Remove blocksWithMetaDataGHOSTDAGDataStore
* Increase windows pagefile
* Move DeleteStagingConsensus outside of defer
* Get rid of mustAccepted in receiveBlockWithMetaData
* Ban on invalid pruning point
* Rename interface_datastructures_daawindowstore.go to interface_datastructures_blocks_with_meta_data_daa_window_store.go
* * Change GetVirtualSelectedParentChainFromBlockResponseMessage and VirtualSelectedParentChainChangedNotificationMessage to show only added block hashes
* Remove ResolveVirtual
* Use externalapi.ConsensusWrapper inside MiningManager
* Fix pruningmanager.blockwithmetadata
* Set pruning point selected child when importing the pruning point UTXO set
* Change virtual genesis hash
* replace the selected parent with virtual genesis on removePrunedBlocksFromGHOSTDAGData
* Get rid of low hash in block locators
* Remove +1 from everywhere we use difficultyAdjustmentWindowSize and increase the default value by one
* Add comments about consensus wrapper
* Don't use separate staging area when resolving resolveBlockStatus
* Fix netsync stability test
* Fix checkResolveVirtual
* Rename ConsensusWrapper->ConsensusReference
* Get rid of blockHeapNode
* Add comment to defaultDifficultyAdjustmentWindowSize
* Add SelectedChild to DAGTraversalManager
* Remove redundant copy
* Rename blockWindowHeap->calculateBlockWindowHeap
* Move isVirtualGenesisOnlyParent to utils
* Change BlockWithMetaData->BlockWithTrustedData
* Get rid of maxReasonLength
* Split IBD to 100 blocks each time
* Fix a bug in calculateBlockWindowHeap
* Switch to trusted data when encountering virtual genesis in blockWithTrustedData
* Move ConsensusReference to domain
* Update ConsensusReference comment
* Add comment
* Rename shouldNotAddGenesis->skipAddingGenesis
* ignore type flag
* Ignore type flag of relative time lock - interpret as DAA score
* Split verifyLockTime to functions with and without threshold.relative lockTimes dont need threshold check
* Change function name and order of the functions calls
Co-authored-by: tal <tal@daglabs.com>
* Update constants
* Add to transaction SigOpCount
* Update mass calculation, and move it from InContext to InIsolation
* Update block validation accordingly
* Add SigOpCount validation during TransactionInContext
* Remove checking of mass vs maxMassAcceptedByBlock from consensusStateManager
* Update mining manager with latest changes
* Add SigOpCount to MsgTx.Copy()
* Fix initTestTransactionAcceptanceDataForClone
* Fix all tests in transaction_equal_clone_test.go
* Fix TestBlockMass
* Fix tests in transactionvalidator package
* Add SigOpCount to sighash
* Fix TestPruningDepth
* Fix problems in libkaspawalelt
* Fix integration tests
* Fix CalculateSignatureHash tests
* Remove remaining places talking about block size
* Add sanity check to checkBlockMass to make sure all transactions have their mass filled
* always add own sigOpCount to sigHash
* Update protowire/rpc.md
* Start working on removing any remaining reference to block/tx size
* Update rpc transaction verbose data to include mass rather then size
* Convert verboseData and block size check to mass
* Remove remaining usages of tx size in mempool
* Move transactionEstimatedSerializedSize to transactionvalidator
* Add PopulateMass to fakeRelayInvsContext
* Move PopulateMass to beggining of ValidateAndInsertTransaction + fix in it
* Assign mass a new number for backward-compatibility
* Validate locktime when admitted into mempool and when build a block. Also, fix isFinalized to use DAAscore instead of blue score.
* Change the function name:ValidateTransactionInContextIgnoringUTXO
Co-authored-by: tal <tal@daglabs.com>
* Create a file
* Add tests for lockTime - CLTV scripts conditioned by time and block height
* Add a handle for an unhandled error.
* Renamed the test file
* Fix typo
* Add a counter for current block height.
* Change variable name
* Adds a test for wrong lock time, removed fundingTransaction variable
* Fix LockTimeThreshold constant, fix opcodeCheckLockTimeVerify and opcodeCheckSequenceVerify(padding in the end), add support for sequence and lock time number in the script builder, add more checks to the CLTV test.
* Call AddData instead of addData. Rename fixedSize to unpaddedSize
* Creating wrapper functions to lockTime&sequence numbers that call to a shared function in script builder.
Co-authored-by: tal <tal@daglabs.com>
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* Make use of maxBlocks instead of maxBlueScoreDifference in antiPastHashesBetween
* Make use of maxBlocks instead of maxBlueScoreDifference in antiPastHashesBetween
* Make use of maxBlocks instead of maxBlueScoreDifference in antiPastHashesBetween
* Make use of maxBlocks instead of maxBlueScoreDifference in antiPastHashesBetween
* Make use of maxBlocks instead of maxBlueScoreDifference in antiPastHashesBetween
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* Change SequenceLockTimeDisabled to 1 << 63
* Move LockTimeThreshold to constants
* Update locktime constants according to new proposal
* Fix opcodeCheckSequenceVerify and failed tests
* Disallow numbers above 8 bytes in makeScriptNum
* Use littleEndian.Uint64 for sequence instead of ScriptNum
* Update comments on constants
* Update some more comments
* Add BlockHash optional parameter to EstimateNetworkBlockHashesPerSecond
* Allow to pass '-' for optional values in kaspactl
* Solve a division-by-zero in estimateNetworkHashesPerSecond
* Add BlockHash to toAppMessage/fromAppMessage functions
* Rename: topHash -> StartHash
* Return proper error message if provided startHash doesn't deserialize into a hash
* First limit the candidates size to 3*csm.maxBlockParents before taking the bottom csm.maxBlockParents/2
* Change log level of printing all tips to Tracef
* Add many-tips to run-fast.sh and run-slow.sh
* Fix preallocation size
* Assign intermediate variables
* Change mergeSet to be ordered topologically.
* Add special condition for genesis.
* Add check that the coinbase is validated.
* Change names of variables(old: chainHash, blueHash).
* Fix the DAG diagram in the comment above the function.
* Fix variables names.
Co-authored-by: tal <tal@daglabs.com>
Co-authored-by: Ori Newman <orinewman1@gmail.com>
* Fix overflow when checking coinbase maturity and don't ban peers that send transactions with immature spend
* Fix tests
Co-authored-by: Svarog <feanorr@gmail.com>
(cherry picked from commit a18f2f8802d52261c691ba1051d7b3134ddf8a78)
* Use selectedParent instead of selectedTip for non-selectedTip blocks in restoreSingleBlockStatus
* Cache the selectedParent for re-use in a resolveSingleBlockStatus chain
* Implement and use reverseUTXOSet
* Reverse blocks in correct order
* Support resolveBlockStatus without separate stagingAreas for usage of testConsensus
* Handle the case where the tip of the resolved block is not the next selectedTip
* Unify isResolveTip
* Some minor fixes and cleanup
* Add full finality window re-org test to stability-slow
* rename: useSeparateStagingAreasPerBlock -> useSeparateStagingAreaPerBlock
* Better logs in resolveSingleBlockStatus
* A few retouches to reverseUTXODiffs
* TEMPORARY COMMIT: EXTRAT ALL DIFFFROMS TO SEPARATE METHODS
* TEMPORARY COMMIT: REMOVE DIFFICULTY CHECKS IN DEVNET
* Don't pre-allocate in utxo-algebra, since the numbers are not known ahead-of-time
* Add some logs to reverseUTXODiffs
* Revert "TEMPORARY COMMIT: REMOVE DIFFICULTY CHECKS IN DEVNET"
This reverts commit c0af9dc6ade78a914c970e11bc63c34605565f57.
* Revert "TEMPORARY COMMIT: EXTRAT ALL DIFFFROMS TO SEPARATE METHODS"
This reverts commit 4fcca1b48c3a1183598833a355b9bfaf169edba1.
* Remove redundant paranthesis
* Revise some logs messages
* Rename:oneBlockBeforeCurrentUTXOSet -> lastResolvedBlockUTXOSet
* Don't break if the block was resolved as invalid
* rename unverifiedBlocks to recentlyVerifiedBlcks in reverseUTXODiffs
* Add errors.New to the panic, for a stack trace
* Reverse the UTXODiffs after the main block has been commited
* Use the correct value for previousUTXODiff
* Add test for ReverseUTXODiff
* Fix some names and comments
* Update TestReverseUTXODiffs to use consensus.Config
* Fix comments mentioning 'oneBlockBeforeTip'
* Add a flag for sanity check pruning point utxo set and do the sanity check only if it's enabled
* add description to EnableSanityCheckPruningUTXOSet
* review fix
Co-authored-by: Svarog <feanorr@gmail.com>
* Add version file to database
* Remove redundant code
* Check for version before opening the database, create version file after
* Create version file before opening the database
* Add oldPruningPoint to pruningStore
* Make the pruning store work with utxo diff and return an iterator over pruning point utxoset
* Redesign pruning point utxo storage by creating a diff and modifying the old pruning utxo set
* Fix review comments
* Rename updatePruningPointUTXOSet
* Add ECDSA support
* Add domain separation to ECDSA sighash
* Use InfallibleWrite instead of Write
* Rename funcs
* Fix wrong use if vm.sigCache
* Add TestCalculateSignatureHashECDSA
* Add consts
* Fix comment and test name
* Move consts to the top
* Fix comment
