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17 Commits
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24a09fb3df
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Merge 0.6.0-dev into 0.6.0-libp2p (#824)
* [NOD-1079] Fix block rejects over "Already have block" (#783) * [NOD-1079] Return regular error instead of ruleError on already-have-block in ProcessBlock. * [NOD-1079] Fix bad implementation of IsSelectedTipKnown. * [NOD-1079] In shouldQueryPeerSelectedTips use selected DAG tip timestamp instead of past median time. * [NOD-1079] Remove redundant (and possibly buggy) clearing of sm.requestedBlocks. * [NOD-684] change simnet block rate to block per ms (#782) * [NOD-684] Get rid of dag.targetTimePerBlock and use finality duration in dag params * [NOD-684] Fix regtest genesis block * [NOD-684] Set simnet's TargetTimePerBlock to 1ms * [NOD-684] Shorten simnet finality duration * [NOD-684] Change isDAGCurrentMaxDiff to be written as number of blocks * [NOD-684] Fix NextBlockMinimumTime to be add one millisecond after past median time * [NOD-1004] Make AddrManager.getAddress use only 1 loop to check all address chances and pick one of them (#741) * [NOD-1004] Remove code duplication in Good(). * [NOD-1004] Remove some more code duplication in Good(). * [NOD-1004] Remove some more code duplication in Good(). * [NOD-1004] Remove code duplication in GetAddress(). * [NOD-1004] Remove code duplication in updateAddress. * [NOD-1004] Remove some more code duplication in updateAddress. * [NOD-1004] Remove redundant check in expireNew. * [NOD-1004] Remove superfluous existence check from updateAddress. * [NOD-1004] Make triedBucket use a slice instead of a list. * [NOD-1004] Remove code duplication in getAddress. * [NOD-1004] Remove infinite loops out of getAddress. * [NOD-1004] Made impossible branch panic. * [NOD-1004] Remove a mystery comment. * [NOD-1004] Remove an unnecessary sort. * [NOD-1004] Make AddressKey a type alias. * [NOD-1004] Added comment for AddressKey * [NOD-1004] Fix merge errors. * [NOD-1004] Fix merge errors. * [NOD-1004] Do some renaming. * [NOD-1004] Do some more renaming. * [NOD-1004] Rename AddrManager to AddressManager. * [NOD-1004] Rename AddrManager to AddressManager. * [NOD-1004] Do some more renaming. * [NOD-1004] Rename bucket to addressBucketArray. * [NOD-1004] Fix a comment. * [NOD-1004] Rename na to netAddress. * [NOD-1004] Bring back an existence check. * [NOD-1004] Fix an error message. * [NOD-1004] Fix a comment. * [NOD-1004] Use a boolean instead of -1. * [NOD-1004] Use a boolean instead of -1 in another place. Co-authored-by: Mike Zak <feanorr@gmail.com> * Fix merge errors. Co-authored-by: Ori Newman <orinewman1@gmail.com> Co-authored-by: Mike Zak <feanorr@gmail.com> |
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6b5b4bfb2a
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[NOD-1164] Remove the singleton from dbaccess, to enable multiple db connections in same run (#806)
* [NOD-1164] Defined DatabaseContext as the basic object of dbaccess * [NOD-1164] Update everything to use databaseContext * [NOD-1164] Fix tests * [NOD-1164] Add comments * [NOD-1164] Removed databaseContext from blockNode * [NOD-1164] Enforce DatabaseContext != nil * [NOD-1164] Remove redundant and wrong comment line |
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1a43cabfb9
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[NOD-1119] Refactor main, and remove p2p layer from it (#785)
* [NOD-1119] Removed all p2p server from all the initialization of server * [NOD-1119] Removed any calling for p2p server in main * [NOD-1119] Simplified some functions to not take both dag and dagParams * [NOD-1119] Simplify creation of mempool and rpc server * [NOD-1119] Setup indexes in separate function * [NOD-1119] Some cleanup in NewServer * [NOD-1119] Fix mempool test * [NOD-1119] Fix go format * [NOD-1119] Unexport dag.timeSource * [NOD-1119] Removed server package + renamed the Server object to Kaspad, and made it minimal * [NOD-1119] Delete redundant functions * Unexported kaspad and related methods * [NOD-1119] Unexported newKaspad * [NOD-1119] Revise comments and remove redundant function * [NOD-1119] Make comments of unexported methods lower-case * [NOD-1119] Some more refactoring in newKaspad |
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749775c7ea
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[NOD-1098] Change timestamp precision to one millisecond (#778)
* [NOD-1098] Change timestamps to be millisecond precision * [NOD-1098] Change lock times to use milliseconds * [NOD-1098] Use milliseconds precision everywhere * [NOD-1098] Implement type mstime.Time * [NOD-1098] Fix block 100000 timestamp * [NOD-1098] Change orphan child to be one millisecond delay after its parent * [NOD-1098] Remove test that checks if header timestamps have the right precision, and instead add tests for mstime, and fix genesis for testnet and devnet * [NOD-1098] Fix comment * [NOD-1098] Fix comment * [NOD-1098] Fix testnet genesis * [NOD-1098] Rename UnixMilli->UnixMilliseconds |
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57b1653383
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[NOD-1063] Optimize deep reachability tree insertions (#773)
* [NOD-1055] Give higher priority for requesting missing ancestors when sending a getdata message (#767) * [NOD-1063] Remove the remainingInterval field. * [NOD-1063] Add helper functions to reachabilityTreeNode. * [NOD-1063] Add reachabilityReindexRoot. * [NOD-1063] Start implementing findNextReachabilityReindexRoot. * [NOD-1063] Implement findCommonAncestor. * [NOD-1063] Implement findReachabilityTreeAncestorInChildren. * [NOD-1063] Add reachabilityReindexWindow. * [NOD-1063] Fix findReachabilityTreeAncestorInChildren. * [NOD-1063] Remove BlockDAG reference in findReachabilityTreeAncestorInChildren. * [NOD-1063] Extract updateReachabilityReindexRoot to a separate function. * [NOD-1063] Add reachabilityReindexSlack. * [NOD-1063] Implement splitReindexRootChildrenAroundChosen. * [NOD-1063] Implement calcReachabilityTreeNodeSizes. * [NOD-1063] Implement propagateChildIntervals. * [NOD-1063] Extract tightenReachabilityTreeIntervalsBeforeChosenReindexRootChild and tightenReachabilityTreeIntervalsAfterChosenReindexRootChild to separate functions. * [NOD-1063] Implement expandReachabilityTreeIntervalInChosenReindexRootChild. * [NOD-1063] Finished implementing concentrateReachabilityTreeIntervalAroundReindexRootChild. * [NOD-1063] Begin implementing reindexIntervalsBeforeReindexRoot. * [NOD-1063] Implement top-level logic of reindexIntervalsBeforeReindexRoot. * [NOD-1063] Implement reclaimIntervalBeforeChosenChild. * [NOD-1063] Add a debug log for reindexIntervalsBeforeReindexRoot. * [NOD-1063] Rename reindexIntervalsBeforeReindexRoot to reindexIntervalsEarlierThanReindexRoot. * [NOD-1063] Implement reclaimIntervalAfterChosenChild. * [NOD-1063] Add a debug log for updateReachabilityReindexRoot. * [NOD-1063] Convert modifiedTreeNodes from slices to sets. * [NOD-1063] Fix findCommonAncestor. * [NOD-1063] Fix reindexIntervalsEarlierThanReindexRoot.` * [NOD-1063] Remove redundant nil conditions. * [NOD-1063] Make map[*reachabilityTreeNode]struct{} into a type alias with a copyAllFrom method. * [NOD-1063] Remove setInterval. * [NOD-1063] Create a new struct to hold reachability stuff called reachabilityTree. * [NOD-1063] Rename functions under reachabilityTree. * [NOD-1063] Move reachabilityStore into reachabilityTree. * [NOD-1063] Move the rest of the functions in reachability.go into the reachabilityTree struct. * [NOD-1063] Update newReachabilityTree to take an instance of reachabilityStore. * [NOD-1063] Fix merge errors. * [NOD-1063] Fix merge errors. * [NOD-1063] Pass a reference to the dag into reachabilityTree. * [NOD-1063] Use Wrapf instead of Errorf. * [NOD-1063] Merge assignments. * [NOD-1063] Disambiguate a varaible name. * [NOD-1063] Add a test case for intervalBefore. * [NOD-1063] Simplify splitChildrenAroundChosenChild. * [NOD-1063] Fold temporary variables into newReachabilityInterval. * [NOD-1063] Fold more temporary variables into newReachabilityInterval. * [NOD-1063] Fix a bug in expandIntervalInReindexRootChosenChild. * [NOD-1063] Remove blockNode from futureCoveringBlock. * [NOD-1063] Get rid of futureCoveringBlock. * [NOD-1063] Use findIndex directly in findAncestorAmongChildren. * [NOD-1063] Make findIndex a bit nicer to use. Also rename it to findAncestorIndexOfNode. * [NOD-1063] Rename childIntervalAllocationRange to intervalRangeForChildAllocation. * [NOD-1063] Optimize findCommonAncestor. * [NOD-1063] In reindexIntervalsBeforeChosenChild, use chosenChild.interval.start - 1 instead of childrenBeforeChosen[len(childrenBeforeChosen)-1].interval.end + 1. * [NOD-1063] Rename reindexIntervalsBeforeChosenChild to reindexIntervalsBeforeNode. * [NOD-1063] Add a comment explain what "the chosen child" is. * [NOD-1063] In concentrateIntervalAroundReindexRootChosenChild, rename modifiedTreeNodes to allModifiedTreeNodes. * [NOD-1063] Extract propagateIntervals to a function. * [NOD-1063] Extract interval "contains" logic to a separate function. * [NOD-1063] Simplify "looping up" logic in reclaimIntervalXXXChosenChild. * [NOD-1063] Add comments to reclaimIntervalXXXChosenChild. * [NOD-1063] Rename copyAllFrom to addAll. * [NOD-1063] Rename reachabilityStore (the variable) to just store. * [NOD-1063] Fix an error message. * [NOD-1063] Reword a comment. * [NOD-1063] Don't return -1 from findAncestorIndexOfNode. * [NOD-1063] Extract slackReachabilityIntervalForReclaiming to a constant. * [NOD-1063] Add a missing condition. * [NOD-1063] Call isAncestorOf directly in insertNode. * [NOD-1063] Rename chosenReindexRootChild to reindexRootChosenChild. * [NOD-1063] Rename treeNodeSet to orderedTreeNodeSet. * [NOD-1063] Add a disclaimer to orderedTreeNodeSet. * [NOD-1063] Implement StoreReachabilityReindexRoot and FetchReachabilityReindexRoot. * [NOD-1063] Move storing the reindex root to within reachabilityTree. * [NOD-1063] Remove isAncestorOf from reachabilityInterval. * [NOD-1063] Add a comment about graph theory conventions. * [NOD-1063] Fix tests. * [NOD-1063] Change inclusion in isAncestorOf functions. * [NOD-1063] Rename a test. * [NOD-1063] Implement TestIsInFuture. * [NOD-1063] Fix error messages in TestIsInFuture. * [NOD-1063] Fix error messages in TestIsInFuture. * [NOD-1063] Rename isInSelectedParentChain to isInSelectedParentChainOf. * [NOD-1063] Rename isInFuture to isInPast. * [NOD-1063] Expand on a comment. * [NOD-1063] Rename modifiedTreeNodes. * [NOD-1063] Implement test: TestReindexIntervalsEarlierThanReindexRoot. * [NOD-1063] Implement test: TestUpdateReindexRoot. * [NOD-1063] Explain a check. * [NOD-1063] Use a method instead of calling reachabilityStore.loaded directly. * [NOD-1063] Lowercasified an error message. * [NOD-1063] Fix failing test. Co-authored-by: Ori Newman <orinewman1@gmail.com> |
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ba4a89488e
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[NOD-530] Remove coinbase inputs and add blue score to payload (#752)
* [NOD-530] Remove coinbase inputs and add blue score to payload * [NOD-530] Fix comment * [NOD-530] Change util.Block private fields comments |
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672f02490a
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[NOD-763] Change genesis version (#737) | ||
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3a4571d671
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[NOD-965] Make LookupNode return boolean (#729)
* [NOD-965] Make dag.index.LookupNode return false if node is not found * [NOD-965] Rename blockDAG->dag * [NOD-965] Remove irrelevant test * [NOD-965] Use bi.index's ok in LookupNode |
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0ca127853d
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[NOD-974] UTXO-Commitments shouldn't include the new block's transactions (#727)
* [NOD-975] Don't include block transactions inside its UTXO commitment (#711) * [NOD-975] Don't include block transactions inside its UTXO commitment. * Revert "[NOD-975] Don't include block transactions inside its UTXO commitment." This reverts commit b1a2ae66 * [NOD-975] Implement a (currently failing) TestUTXOCommitment. * [NOD-975] Remove the block's own transactions from calcMultiset. * [NOD-975] Simplify calcMultiset. * [NOD-975] Add a comment on top of selectedParentMultiset. * [NOD-975] Use pastUTXO instead of selectedParentUTXO in calcMultiset. * [NOD-975] Use selected parent's pastUTXO instead of this block's pastUTXO in calcMultiset. * [NOD-975] Extract selectedParentPastUTXO to a separate function. * [NOD-975] Remove selectedParentUTXO from pastUTXO's return values. * [NOD-975] Add txs to TestUTXOCommitment. * [NOD-975] Remove debug code. * [NOD-975] In pastUTXOMultiSet, copy the multiset to avoid modifying the original. * [NOD-975] Add a test: TestPastUTXOMultiSet. * [NOD-975] Improve TestPastUTXOMultiSet. * [NOD-976] Implement tests for UTXO commitments (#715) * [NOD-975] Don't include block transactions inside its UTXO commitment. * Revert "[NOD-975] Don't include block transactions inside its UTXO commitment." This reverts commit b1a2ae66 * [NOD-975] Implement a (currently failing) TestUTXOCommitment. * [NOD-975] Remove the block's own transactions from calcMultiset. * [NOD-975] Simplify calcMultiset. * [NOD-975] Add a comment on top of selectedParentMultiset. * [NOD-975] Use pastUTXO instead of selectedParentUTXO in calcMultiset. * [NOD-975] Use selected parent's pastUTXO instead of this block's pastUTXO in calcMultiset. * [NOD-975] Extract selectedParentPastUTXO to a separate function. * [NOD-975] Remove selectedParentUTXO from pastUTXO's return values. * [NOD-975] Add txs to TestUTXOCommitment. * [NOD-976] Generate new blockDB blocks for tests. * [NOD-976] Fix TestBlueBlockWindow. * [NOD-976] Fix TestIsKnownBlock. * [NOD-976] Fix TestGHOSTDAG. * [NOD-976] Fix TestUTXOCommitment. * [NOD-976] Remove kaka. * [NOD-990] Save utxo diffs of past UTXO (#724) * [NOD-990] Save UTXO diffs of past UTXO * [NOD-990] Check for block double spends with its past instead of building its UTXO * [NOD-990] Call resetExtraNonceForTest in TestUTXOCommitment * [NOD-990] Remove redundant functions diffFromTx and diffFromAcceptedTx * [NOD-990] Rename i->j to avoid confusion * [NOD-990] Break long lines * [NOD-990] Rename ErrDoubleSpendsWithBlockTransaction -> ErrDoubleSpendInSameBlock * [NOD-990] Make ErrDoubleSpendInSameBlock more detailed * [NOD-990] Add testProcessBlockRuleError * [NOD-990] Fix comment * [NOD-990] Add test for duplicate transactions on the same block * [NOD-990] Use pkg/errors on panic * [NOD-990] Make cloneWithoutBase method * [NOD-990] Break long lines * [NOD-990] Fix comment * [NOD-990] Fix wrong variable names * [NOD-990] Fix comment * [NOD-974] Generate new test blocks. * [NOD-974] Fix TestIsKnownBlock and TestGHOSTDAG. * [NOD-974] Fix TestUTXOCommitment. * [NOD-974] Fix comments Co-authored-by: stasatdaglabs <39559713+stasatdaglabs@users.noreply.github.com> Co-authored-by: stasatdaglabs <stas@daglabs.com> Co-authored-by: Ori Newman <orinewman1@gmail.com> |
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e0f587f599
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[NOD-877] Separate UTXO header code to two fields in serialization: blue score and packed flags (#725)
* [NOD-877] In UTXOEntry serialization, extract packedFlags out to a separate Uint8. * [NOD-877] Generate new test blocks. * [NOD-877] Fix TestIsKnownBlock. * [NOD-877] Fix TestBlueBlockWindow. * [NOD-877] Fix TestUTXOSerialization and TestGHOSTDAG. * [NOD-877] Fix TestVirtualBlock. |
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d015286f65
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[NOD-909] Add tests for double spends (#694)
* [NOD-909] Add tests for double spends * [NOD-909] Add prepareAndProcessBlock that gets parent hashes and transactions as argument * [NOD-909] Use PrepareAndProcessBlockForTest where possible * [NOD-909] Use more meaningful names * [NOD-909] Change a comment * [NOD-909] Fix comment * [NOD-909] Fix comment |
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f8b18e09d6
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[NOD-805] Redesign the database (#685)
* [NOD-828] Reimplement FFLDB (#663) * [NOD-828] Create the database2 package that will some day replace the database package. * [NOD-828] Implement a "bucket" key mechanism. * [NOD-828] Move bucket.go into the ffldb2 package. * [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway. * [NOD-828] Copy over + fixup flat file structs from the old ffldb. * [NOD-828] Implement flatFilePath. * [NOD-828] Implement flatFileStore.write(). * [NOD-828] Implement flatFileStore.read(). * [NOD-828] Implement flatFileStore.rollback(). * [NOD-828] Sync the file to disk at the end of write(). * [NOD-828] Extract crc32ByteOrder to a separate variable. * [NOD-828] Add a sanity test. * [NOD-828] Remove context-unrelated methods from the Database interface. * [NOD-828] Create an ffldb object. Simply work against a context. * [NOD-828] Open the new database on start. * [NOD-828] Create the leveldb package. * [NOD-828] Implement opening/closing leveldb. * [NOD-828] Implement get/put out of/into leveldb. * [NOD-828] Implement transactions and make them implement a generic database interface. * [NOD-828] Write sanity tests for leveldb with and without transactions. * [NOD-828] Add another case to the transaction sanity test. * [NOD-828] Implement AppendBlock/RetrieveBlock. * [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package. * [NOD-828] Add RollbackFlatData to the database interface. * [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket. * [NOD-828] Implement StoreBlock. * [NOD-828] Implement FetchBlock. * [NOD-828] Implement HasBlock. * [NOD-828] Write a sanity test for block insertion. * [NOD-828] Implement CurrentFlatDataLocation. * [NOD-828] Implement storing the current block location. * [NOD-828] Implement initializing/syncing the flat file block store and the "metadata". * [NOD-828] Add InitBlockStore to TestBlockStoreSanity. * [NOD-828] Fix rename errors. * [NOD-828] Fix lint errors in the root database package. * [NOD-828] Fix lint errors in the ffldb.go. * [NOD-828] Fix lint errors in the flatfile/db.go. * [NOD-828] Rename packages in such a way to make the linter happy. * [NOD-828] Finish satisfying the linter. * [NOD-828] Fix doc.go. * [NOD-828] Fix comments in block.go. * [NOD-828] Move dbaccess out of the database package. * [NOD-828] Move opening/closing the database to dbaccess. * [NOD-828] Move the Database interface to the root database package, since it's meant to be generic. * [NOD-828] Make ffldb generic to later support additional databases. * [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported. * [NOD-828] Fix comments. * [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore. * [NOD-828] Make buckets nicer to use. * [NOD-828] Implement cursors that iterate over some bucket. * [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb. * [NOD-828] Write a test making sure that flat file repair works. * [NOD-828] Properly close the database in TestRepairFlatFiles. * [NOD-828] Add a comment warning against putting and getting the same data within the same transaction. * [NOD-828] Fix the flatFilesBucket description. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Fix the ffldb description. * [NOD-828] Rename Database to DataAccessor and rename Handle to Database. * [NOD-828] Make Get return nil if the value doesn't exist. * [NOD-828] Attempt to close leveldb even if closing ffdb failed. * [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket. * [NOD-828] Fix not updating the store location in ffldb transactions. * [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found. * [NOD-828] Update the README and doc.go. * [NOD-828] Simplify Bucket.Path(). * [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly. * [NOD-828] Combine two lines into one. * [NOD-828] Combine another two lines into one. * [NOD-828] Move a misplaced comment. * [NOD-828] Use Wrapf instead of Errorf where appropriate. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Fix Wrapf calls. * [NOD-828] Fix comments. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Add a comment explaining the use of batches and snapshots. * [NOD-828] Implement RollbackUnlessClosed(). * [NOD-828] Return both errors in StoreBlock rollback. * [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor. * [NOD-828] Make bucket a type alias instead of a struct. * [NOD-828] Fix a typo. * [NOD-828] Use copy instead of append in Bucket. * [NOD-828] Extract flatFileLocationSerializedSize to a const. * [NOD-828] Debugf -> Warnf in rollback.go. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Remove data length from flat file data format. * [NOD-828] Rearrange TestLevelDBTransactionSanity a bit. * [NOD-828] Add stack traces to all errors that come out of library functions. * [NOD-828] Return errors from rollback(). * [NOD-828] Remove an irrelevant comment. * [NOD-828] Remove redundant whitespace. * [NOD-828] Handle nil in FetchBlock. * [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct. * Revert "[NOD-828] Make bucket a type alias instead of a struct." This reverts commit 1fd39652 * [NOD-828] Fix revert errors. * Revert "[NOD-828] Remove data length from flat file data format." This reverts commit ef408e32 * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-828] Add Delete to DataAccessor. * [NOD-828] Fix a couple of places that erroneously referenced blocks. * [NOD-828] Add a comment on top of flatFileLocationSerializedSize. * [NOD-828] Add Seek to Cursor. * [NOD-828] Add First to Cursor. * [NOD-828] Rename db to accessor in Context. * [NOD-828] Make Get/Fetch calls return a boolean to indicate whether the requested item was found. * [NOD-828] Name the output parameters of all Get functions. * [NOD-828] Make RetrieveFromStore return whether the data was found. * [NOD-887] Add a couple of QoL features to Cursor (#674) * [NOD-887] Changed First to not return an error. * [NOD-887] Fix merge error. * [NOD-887] Make Cursor.Key not return the entire key path. * [NOD-888] Add RollbackUnlessClosed to Context (#676) * [NOD-888] Add RollbackUnlessClosed to Context. * [NOD-888] Fix copy+paste error. * [NOD-889] Instead of returning a boolean for not-found, return an error (#677) * [NOD-889] Instead of returning a boolean for not-found, return an error. * [NOD-889] Wrapped ErrNotFound for Get calls with nicer error messages. * [NOD-889] Fix format. * [NOD-889] Fix double space in a comment. * [NOD-889] Add IsNotFoundError to dbaccess. * [NOD-862] Replace calls to Tx.StoreBlock, Tx.HasBlock, Tx.FetchBlock with appropriate calls in dbaccess (#672) * [NOD-828] Create the database2 package that will some day replace the database package. * [NOD-828] Implement a "bucket" key mechanism. * [NOD-828] Move bucket.go into the ffldb2 package. * [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway. * [NOD-828] Copy over + fixup flat file structs from the old ffldb. * [NOD-828] Implement flatFilePath. * [NOD-828] Implement flatFileStore.write(). * [NOD-828] Implement flatFileStore.read(). * [NOD-828] Implement flatFileStore.rollback(). * [NOD-828] Sync the file to disk at the end of write(). * [NOD-828] Extract crc32ByteOrder to a separate variable. * [NOD-828] Add a sanity test. * [NOD-828] Remove context-unrelated methods from the Database interface. * [NOD-828] Create an ffldb object. Simply work against a context. * [NOD-828] Open the new database on start. * [NOD-828] Create the leveldb package. * [NOD-828] Implement opening/closing leveldb. * [NOD-828] Implement get/put out of/into leveldb. * [NOD-828] Implement transactions and make them implement a generic database interface. * [NOD-828] Write sanity tests for leveldb with and without transactions. * [NOD-828] Add another case to the transaction sanity test. * [NOD-828] Implement AppendBlock/RetrieveBlock. * [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package. * [NOD-828] Add RollbackFlatData to the database interface. * [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket. * [NOD-828] Implement StoreBlock. * [NOD-828] Implement FetchBlock. * [NOD-828] Implement HasBlock. * [NOD-828] Write a sanity test for block insertion. * [NOD-828] Implement CurrentFlatDataLocation. * [NOD-828] Implement storing the current block location. * [NOD-828] Implement initializing/syncing the flat file block store and the "metadata". * [NOD-828] Add InitBlockStore to TestBlockStoreSanity. * [NOD-828] Fix rename errors. * [NOD-828] Fix lint errors in the root database package. * [NOD-828] Fix lint errors in the ffldb.go. * [NOD-828] Fix lint errors in the flatfile/db.go. * [NOD-828] Rename packages in such a way to make the linter happy. * [NOD-828] Finish satisfying the linter. * [NOD-828] Fix doc.go. * [NOD-828] Fix comments in block.go. * [NOD-828] Move dbaccess out of the database package. * [NOD-828] Move opening/closing the database to dbaccess. * [NOD-828] Move the Database interface to the root database package, since it's meant to be generic. * [NOD-828] Make ffldb generic to later support additional databases. * [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported. * [NOD-828] Fix comments. * [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore. * [NOD-828] Make buckets nicer to use. * [NOD-828] Implement cursors that iterate over some bucket. * [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb. * [NOD-828] Write a test making sure that flat file repair works. * [NOD-828] Properly close the database in TestRepairFlatFiles. * [NOD-828] Add a comment warning against putting and getting the same data within the same transaction. * [NOD-862] Use dbaccess.HasBlock instead of Tx.HasBlock in initDAGState. * [NOD-862] Use dbaccess.StoreBlock instead of dbStoreBlock. * [NOD-862] Use dbaccess.FetchBlock instead of various block fetching mechanisms. * [NOD-828] Fix the flatFilesBucket description. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Fix the ffldb description. * [NOD-828] Rename Database to DataAccessor and rename Handle to Database. * [NOD-828] Make Get return nil if the value doesn't exist. * [NOD-828] Attempt to close leveldb even if closing ffdb failed. * [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket. * [NOD-828] Fix not updating the store location in ffldb transactions. * [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found. * [NOD-828] Update the README and doc.go. * [NOD-828] Simplify Bucket.Path(). * [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly. * [NOD-828] Combine two lines into one. * [NOD-828] Combine another two lines into one. * [NOD-828] Move a misplaced comment. * [NOD-828] Use Wrapf instead of Errorf where appropriate. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Fix Wrapf calls. * [NOD-828] Fix comments. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Add a comment explaining the use of batches and snapshots. * [NOD-828] Implement RollbackUnlessClosed(). * [NOD-828] Return both errors in StoreBlock rollback. * [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor. * [NOD-828] Make bucket a type alias instead of a struct. * [NOD-828] Fix a typo. * [NOD-828] Use copy instead of append in Bucket. * [NOD-828] Extract flatFileLocationSerializedSize to a const. * [NOD-828] Debugf -> Warnf in rollback.go. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Remove data length from flat file data format. * [NOD-828] Rearrange TestLevelDBTransactionSanity a bit. * [NOD-828] Add stack traces to all errors that come out of library functions. * [NOD-828] Return errors from rollback(). * [NOD-828] Remove an irrelevant comment. * [NOD-828] Remove redundant whitespace. * [NOD-828] Handle nil in FetchBlock. * [NOD-828] Implement a dbaccess.BlockNode struct. * [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct. * [NOD-828] Implement toDBBlockNode and fromDBBlockNode. * Revert "[NOD-828] Make bucket a type alias instead of a struct." This reverts commit 1fd39652 * [NOD-828] Fix revert errors. * Revert "[NOD-828] Remove data length from flat file data format." This reverts commit ef408e32 * [NOD-862] Implement storing index blocks. * [NOD-862] Use database transactions where appropriate. * [NOD-862] Fix tests failing on DAGSetup. * [NOD-862] Fix bad make call. * [NOD-862] Fix remaining database opening problems in tests. * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-862] Iterate over the new block index in dagio. * [NOD-862] Fix block index key. * [NOD-828] Add Delete to DataAccessor. * [NOD-862] Pass byte slices to dbaccess instead of objects. * [NOD-862] Fix errors. * [NOD-862] Fix maybeAcceptBlock not checking block existence. * [NOD-862] Fix TestAcceptanceIndexRecover. * [NOD-862] Add comments to StoreBlockIndex and BlockIndexCursor. * [NOD-828] Fix a couple of places that erroneously referenced blocks. * [NOD-828] Add a comment on top of flatFileLocationSerializedSize. * [NOD-828] Add Seek to Cursor. * [NOD-828] Add First to Cursor. * [NOD-828] Rename db to accessor in Context. * [NOD-828] Make Get/Fetch calls return a boolean to indicate whether the requested item was found. * [NOD-828] Name the output parameters of all Get functions. * [NOD-828] Make RetrieveFromStore return whether the data was found. * [NOD-862] Fix merge errors. * [NOD-862] Fix DAGSetup using bad temp directories. * [NOD-862] Fix TestProcessDelayedBlocks not closing the database properly. * [NOD-862] Fix merge errors. * [NOD-862] Merge flushToDBWithContext and flushToDB. * [NOD-862] Remove TODO. * [NOD-862] Add prefix to the temp dir in DAGSetup. * [NOD-862] Bring back dbFetchBlockByHash. * [NOD-862] Use BlockDAG.BlockByHash in p2p and rpc. * [NOD-862] Use daghash.Hash in dbaccess. * [NOD-862] Add defer to RollbackUnlessClosed after NewTx(). * [NOD-862] Extract dbStoreBlock to a separate function. * [NOD-862] Fix grammar in comment. * [NOD-862] Fix merge errors. * [NOD-867] Migrate database logic in blockdag/dagio.go to dbaccess (#675) * [NOD-828] Create the database2 package that will some day replace the database package. * [NOD-828] Implement a "bucket" key mechanism. * [NOD-828] Move bucket.go into the ffldb2 package. * [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway. * [NOD-828] Copy over + fixup flat file structs from the old ffldb. * [NOD-828] Implement flatFilePath. * [NOD-828] Implement flatFileStore.write(). * [NOD-828] Implement flatFileStore.read(). * [NOD-828] Implement flatFileStore.rollback(). * [NOD-828] Sync the file to disk at the end of write(). * [NOD-828] Extract crc32ByteOrder to a separate variable. * [NOD-828] Add a sanity test. * [NOD-828] Remove context-unrelated methods from the Database interface. * [NOD-828] Create an ffldb object. Simply work against a context. * [NOD-828] Open the new database on start. * [NOD-828] Create the leveldb package. * [NOD-828] Implement opening/closing leveldb. * [NOD-828] Implement get/put out of/into leveldb. * [NOD-828] Implement transactions and make them implement a generic database interface. * [NOD-828] Write sanity tests for leveldb with and without transactions. * [NOD-828] Add another case to the transaction sanity test. * [NOD-828] Implement AppendBlock/RetrieveBlock. * [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package. * [NOD-828] Add RollbackFlatData to the database interface. * [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket. * [NOD-828] Implement StoreBlock. * [NOD-828] Implement FetchBlock. * [NOD-828] Implement HasBlock. * [NOD-828] Write a sanity test for block insertion. * [NOD-828] Implement CurrentFlatDataLocation. * [NOD-828] Implement storing the current block location. * [NOD-828] Implement initializing/syncing the flat file block store and the "metadata". * [NOD-828] Add InitBlockStore to TestBlockStoreSanity. * [NOD-828] Fix rename errors. * [NOD-828] Fix lint errors in the root database package. * [NOD-828] Fix lint errors in the ffldb.go. * [NOD-828] Fix lint errors in the flatfile/db.go. * [NOD-828] Rename packages in such a way to make the linter happy. * [NOD-828] Finish satisfying the linter. * [NOD-828] Fix doc.go. * [NOD-828] Fix comments in block.go. * [NOD-828] Move dbaccess out of the database package. * [NOD-828] Move opening/closing the database to dbaccess. * [NOD-828] Move the Database interface to the root database package, since it's meant to be generic. * [NOD-828] Make ffldb generic to later support additional databases. * [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported. * [NOD-828] Fix comments. * [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore. * [NOD-828] Make buckets nicer to use. * [NOD-828] Implement cursors that iterate over some bucket. * [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb. * [NOD-828] Write a test making sure that flat file repair works. * [NOD-828] Properly close the database in TestRepairFlatFiles. * [NOD-828] Add a comment warning against putting and getting the same data within the same transaction. * [NOD-862] Use dbaccess.HasBlock instead of Tx.HasBlock in initDAGState. * [NOD-862] Use dbaccess.StoreBlock instead of dbStoreBlock. * [NOD-862] Use dbaccess.FetchBlock instead of various block fetching mechanisms. * [NOD-828] Fix the flatFilesBucket description. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Fix the ffldb description. * [NOD-828] Rename Database to DataAccessor and rename Handle to Database. * [NOD-828] Make Get return nil if the value doesn't exist. * [NOD-828] Attempt to close leveldb even if closing ffdb failed. * [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket. * [NOD-828] Fix not updating the store location in ffldb transactions. * [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found. * [NOD-828] Update the README and doc.go. * [NOD-828] Simplify Bucket.Path(). * [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly. * [NOD-828] Combine two lines into one. * [NOD-828] Combine another two lines into one. * [NOD-828] Move a misplaced comment. * [NOD-828] Use Wrapf instead of Errorf where appropriate. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Fix Wrapf calls. * [NOD-828] Fix comments. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Add a comment explaining the use of batches and snapshots. * [NOD-828] Implement RollbackUnlessClosed(). * [NOD-828] Return both errors in StoreBlock rollback. * [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor. * [NOD-828] Make bucket a type alias instead of a struct. * [NOD-828] Fix a typo. * [NOD-828] Use copy instead of append in Bucket. * [NOD-828] Extract flatFileLocationSerializedSize to a const. * [NOD-828] Debugf -> Warnf in rollback.go. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Remove data length from flat file data format. * [NOD-828] Rearrange TestLevelDBTransactionSanity a bit. * [NOD-828] Add stack traces to all errors that come out of library functions. * [NOD-828] Return errors from rollback(). * [NOD-828] Remove an irrelevant comment. * [NOD-828] Remove redundant whitespace. * [NOD-828] Handle nil in FetchBlock. * [NOD-828] Implement a dbaccess.BlockNode struct. * [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct. * [NOD-828] Implement toDBBlockNode and fromDBBlockNode. * Revert "[NOD-828] Make bucket a type alias instead of a struct." This reverts commit 1fd39652 * [NOD-828] Fix revert errors. * Revert "[NOD-828] Remove data length from flat file data format." This reverts commit ef408e32 * [NOD-862] Implement storing index blocks. * [NOD-862] Use database transactions where appropriate. * [NOD-862] Fix tests failing on DAGSetup. * [NOD-862] Fix bad make call. * [NOD-862] Fix remaining database opening problems in tests. * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-862] Iterate over the new block index in dagio. * [NOD-862] Fix block index key. * [NOD-828] Add Delete to DataAccessor. * [NOD-862] Pass byte slices to dbaccess instead of objects. * [NOD-862] Fix errors. * [NOD-862] Fix maybeAcceptBlock not checking block existence. * [NOD-862] Fix TestAcceptanceIndexRecover. * [NOD-862] Add comments to StoreBlockIndex and BlockIndexCursor. * [NOD-828] Fix a couple of places that erroneously referenced blocks. * [NOD-828] Add a comment on top of flatFileLocationSerializedSize. * [NOD-828] Add Seek to Cursor. * [NOD-828] Add First to Cursor. * [NOD-828] Rename db to accessor in Context. * [NOD-828] Make Get/Fetch calls return a boolean to indicate whether the requested item was found. * [NOD-828] Name the output parameters of all Get functions. * [NOD-828] Make RetrieveFromStore return whether the data was found. * [NOD-862] Fix merge errors. * [NOD-862] Fix DAGSetup using bad temp directories. * [NOD-862] Fix TestProcessDelayedBlocks not closing the database properly. * [NOD-867] Remove blockIndexBucket from dagio. * [NOD-867] Fix wrong key in StoreIndexBucket. * [NOD-867] Migrate DAG state to dbaccess. * [NOD-867] Remove utxoSetVersionKeyName. * [NOD-862] Fix merge errors. * [NOD-867] Move localSubnetworkID into dagState. * [NOD-867] Fix a comment. * [NOD-867] Remove an unused function. * [NOD-867] Migrate the database's UTXO set to dbaccess. * [NOD-867] Add missing error check. * [NOD-867] Changed First to not return an error. * [NOD-867] Make Cursor.Key not return the entire key path. * [NOD-887] Fix the comment above BlockIndexCursorFrom. * [NOD-862] Merge flushToDBWithContext and flushToDB. * [NOD-862] Remove TODO. * [NOD-862] Add prefix to the temp dir in DAGSetup. * [NOD-862] Bring back dbFetchBlockByHash. * [NOD-862] Use BlockDAG.BlockByHash in p2p and rpc. * [NOD-862] Use daghash.Hash in dbaccess. * [NOD-862] Add defer to RollbackUnlessClosed after NewTx(). * [NOD-862] Extract dbStoreBlock to a separate function. * [NOD-867] Remove TODOs. * [NOD-867] Fix merge errors. * [NOD-867] Fix comments and errors. * [NOD-867] Unexport blockIndexKey. * [NOD-867] Fix merge errors. * [NOD-867] Move a misplaced comment. * [NOD-867] Fix an error message. * [NOD-867] Remove preallocation in initDAGState. * [NOD-866] Migrate database logic in blockdag/indexers package to dbaccess (#682) * [NOD-865] Delete blockidhash.go. * [NOD-865] Remove a lot of no-longer relevant logic from indexers. * [NOD-865] Pass TxContext to ConnectBlock. * [NOD-865] Migrate the acceptance index to dbaccess. * [NOD-865] Fix a block not being sent to ConnectBlock. * [NOD-865] Pass the block's hash instead of the whole block. * [NOD-865] Add forgotten Commit call. * [NOD-865] Add comments. * [NOD-866] Fix a comment. * [NOD-866] Fix a comment. * [NOD-866] Remove pointless indirection in acceptanceindex. * [NOD-866] Fix comment over ForEachHash. * [NOD-866] Rename ClearAcceptanceIndex to DropAcceptanceIndex. * [NOD-866] Explain collecting keys before deleting them. * [NOD-865] Move misc db logic to db access (#681) * [NOD-828] Create the database2 package that will some day replace the database package. * [NOD-828] Implement a "bucket" key mechanism. * [NOD-828] Move bucket.go into the ffldb2 package. * [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway. * [NOD-828] Copy over + fixup flat file structs from the old ffldb. * [NOD-828] Implement flatFilePath. * [NOD-828] Implement flatFileStore.write(). * [NOD-828] Implement flatFileStore.read(). * [NOD-828] Implement flatFileStore.rollback(). * [NOD-828] Sync the file to disk at the end of write(). * [NOD-828] Extract crc32ByteOrder to a separate variable. * [NOD-828] Add a sanity test. * [NOD-828] Remove context-unrelated methods from the Database interface. * [NOD-828] Create an ffldb object. Simply work against a context. * [NOD-828] Open the new database on start. * [NOD-828] Create the leveldb package. * [NOD-828] Implement opening/closing leveldb. * [NOD-828] Implement get/put out of/into leveldb. * [NOD-828] Implement transactions and make them implement a generic database interface. * [NOD-828] Write sanity tests for leveldb with and without transactions. * [NOD-828] Add another case to the transaction sanity test. * [NOD-828] Implement AppendBlock/RetrieveBlock. * [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package. * [NOD-828] Add RollbackFlatData to the database interface. * [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket. * [NOD-828] Implement StoreBlock. * [NOD-828] Implement FetchBlock. * [NOD-828] Implement HasBlock. * [NOD-828] Write a sanity test for block insertion. * [NOD-828] Implement CurrentFlatDataLocation. * [NOD-828] Implement storing the current block location. * [NOD-828] Implement initializing/syncing the flat file block store and the "metadata". * [NOD-828] Add InitBlockStore to TestBlockStoreSanity. * [NOD-828] Fix rename errors. * [NOD-828] Fix lint errors in the root database package. * [NOD-828] Fix lint errors in the ffldb.go. * [NOD-828] Fix lint errors in the flatfile/db.go. * [NOD-828] Rename packages in such a way to make the linter happy. * [NOD-828] Finish satisfying the linter. * [NOD-828] Fix doc.go. * [NOD-828] Fix comments in block.go. * [NOD-828] Move dbaccess out of the database package. * [NOD-828] Move opening/closing the database to dbaccess. * [NOD-828] Move the Database interface to the root database package, since it's meant to be generic. * [NOD-828] Make ffldb generic to later support additional databases. * [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported. * [NOD-828] Fix comments. * [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore. * [NOD-828] Make buckets nicer to use. * [NOD-828] Implement cursors that iterate over some bucket. * [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb. * [NOD-828] Write a test making sure that flat file repair works. * [NOD-828] Properly close the database in TestRepairFlatFiles. * [NOD-828] Add a comment warning against putting and getting the same data within the same transaction. * [NOD-828] Fix the flatFilesBucket description. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Fix the ffldb description. * [NOD-828] Rename Database to DataAccessor and rename Handle to Database. * [NOD-828] Make Get return nil if the value doesn't exist. * [NOD-828] Attempt to close leveldb even if closing ffdb failed. * [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket. * [NOD-828] Fix not updating the store location in ffldb transactions. * [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found. * [NOD-828] Update the README and doc.go. * [NOD-828] Simplify Bucket.Path(). * [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly. * [NOD-828] Combine two lines into one. * [NOD-828] Combine another two lines into one. * [NOD-828] Move a misplaced comment. * [NOD-828] Use Wrapf instead of Errorf where appropriate. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Fix Wrapf calls. * [NOD-828] Fix comments. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Add a comment explaining the use of batches and snapshots. * [NOD-828] Implement RollbackUnlessClosed(). * [NOD-828] Return both errors in StoreBlock rollback. * [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor. * [NOD-828] Make bucket a type alias instead of a struct. * [NOD-828] Fix a typo. * [NOD-828] Use copy instead of append in Bucket. * [NOD-828] Extract flatFileLocationSerializedSize to a const. * [NOD-828] Debugf -> Warnf in rollback.go. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Remove data length from flat file data format. * [NOD-828] Rearrange TestLevelDBTransactionSanity a bit. * [NOD-828] Add stack traces to all errors that come out of library functions. * [NOD-828] Return errors from rollback(). * [NOD-828] Remove an irrelevant comment. * [NOD-828] Remove redundant whitespace. * [NOD-828] Handle nil in FetchBlock. * [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct. * Revert "[NOD-828] Make bucket a type alias instead of a struct." This reverts commit 1fd39652 * [NOD-828] Fix revert errors. * Revert "[NOD-828] Remove data length from flat file data format." This reverts commit ef408e32 * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-828] Add Delete to DataAccessor. * [NOD-865] Move fee data db operations to dbaccess * [NOD-865] Move reachability data db operations to dbaccess * [NOD-865] Move UTXO diff data db operations to dbaccess * [NOD-865] Move subnetwork data db operations to dbaccess * [NOD-865] Fix createDAGState * [NOD-865] Remove old Get signature with "exists" * [NOD-865] Move multiset db operations to dbaccess * [NOD-865] Use dbaccess transactions where possible * [NOD-865] Remove old Get signature with "exists" * [NOD-881] Recover TestGHOSTDAGErrors * [NOD-865] Create function for db keys * [NOD-865] Change Exists to Has, and use accessor.Has where possible * [NOD-865] Make ClearReachabilityData transactive * [NOD-865] Don't iterate cursors while changing db data * [NOD-865] Rename RegisterSubnetwork -> StoreSubnetwork * [NOD-865] Change bucket from utxodiffs to utxo-diffs * [NOD-865] Rename SubnetworkExists->HasSubnetwork * [NOD-865] Change a comment * [NOD-865] Fix tests * [NOD-865] Fix comment * [NOD-865] Remove the prefix "db" from some functions * [NOD-865] Remove redundant comments * [NOD-865] Make clearBucket function * [NOD-865] Make clear functions get a dbTx as an arg * [NOD-865] Remove erroneous tx commit Co-authored-by: stasatdaglabs <stas@daglabs.com> * [NOD-868] Delete the old database package (#683) * [NOD-828] Create the database2 package that will some day replace the database package. * [NOD-828] Implement a "bucket" key mechanism. * [NOD-828] Move bucket.go into the ffldb2 package. * [NOD-828] Delete the un-interfaced ffldb package from database2, since we aren't going to be using it anyway. * [NOD-828] Copy over + fixup flat file structs from the old ffldb. * [NOD-828] Implement flatFilePath. * [NOD-828] Implement flatFileStore.write(). * [NOD-828] Implement flatFileStore.read(). * [NOD-828] Implement flatFileStore.rollback(). * [NOD-828] Sync the file to disk at the end of write(). * [NOD-828] Extract crc32ByteOrder to a separate variable. * [NOD-828] Add a sanity test. * [NOD-828] Remove context-unrelated methods from the Database interface. * [NOD-828] Create an ffldb object. Simply work against a context. * [NOD-828] Open the new database on start. * [NOD-828] Create the leveldb package. * [NOD-828] Implement opening/closing leveldb. * [NOD-828] Implement get/put out of/into leveldb. * [NOD-828] Implement transactions and make them implement a generic database interface. * [NOD-828] Write sanity tests for leveldb with and without transactions. * [NOD-828] Add another case to the transaction sanity test. * [NOD-828] Implement AppendBlock/RetrieveBlock. * [NOD-828] Refactor so that concepts such as "block" and "metadata" don't leak into the database package. * [NOD-828] Add RollbackFlatData to the database interface. * [NOD-828] Remove anything from dbaccess that I'm not planning to implement as part of this ticket. * [NOD-828] Implement StoreBlock. * [NOD-828] Implement FetchBlock. * [NOD-828] Implement HasBlock. * [NOD-828] Write a sanity test for block insertion. * [NOD-828] Implement CurrentFlatDataLocation. * [NOD-828] Implement storing the current block location. * [NOD-828] Implement initializing/syncing the flat file block store and the "metadata". * [NOD-828] Add InitBlockStore to TestBlockStoreSanity. * [NOD-828] Fix rename errors. * [NOD-828] Fix lint errors in the root database package. * [NOD-828] Fix lint errors in the ffldb.go. * [NOD-828] Fix lint errors in the flatfile/db.go. * [NOD-828] Rename packages in such a way to make the linter happy. * [NOD-828] Finish satisfying the linter. * [NOD-828] Fix doc.go. * [NOD-828] Fix comments in block.go. * [NOD-828] Move dbaccess out of the database package. * [NOD-828] Move opening/closing the database to dbaccess. * [NOD-828] Move the Database interface to the root database package, since it's meant to be generic. * [NOD-828] Make ffldb generic to later support additional databases. * [NOD-828] Make ffldb.Open return DatabaseHandle, since ffldb is no longer exported. * [NOD-828] Fix comments. * [NOD-828] Rename AppendFlatData to AppendToStore and RetrieveFlatData to RetrieveFromStore. * [NOD-828] Make buckets nicer to use. * [NOD-828] Implement cursors that iterate over some bucket. * [NOD-828] Generalize flat-file repairing and move block database repairing into ffldb. * [NOD-828] Write a test making sure that flat file repair works. * [NOD-828] Properly close the database in TestRepairFlatFiles. * [NOD-828] Add a comment warning against putting and getting the same data within the same transaction. * [NOD-828] Fix the flatFilesBucket description. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Fix the ffldb description. * [NOD-828] Rename Database to DataAccessor and rename Handle to Database. * [NOD-828] Make Get return nil if the value doesn't exist. * [NOD-828] Attempt to close leveldb even if closing ffdb failed. * [NOD-828] Fix a bug where the wrong location would be written to the current store location bucket. * [NOD-828] Fix not updating the store location in ffldb transactions. * [NOD-828] Make scanFlatFiles return an error if os.Stat fails for any reason other than file-not-found. * [NOD-828] Update the README and doc.go. * [NOD-828] Simplify Bucket.Path(). * [NOD-828] Since LevelDBCursor satisfied the database2.Cursor interface, use it directly. * [NOD-828] Combine two lines into one. * [NOD-828] Combine another two lines into one. * [NOD-828] Move a misplaced comment. * [NOD-828] Use Wrapf instead of Errorf where appropriate. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Fix Wrapf calls. * [NOD-828] Fix comments. * [NOD-828] Remove superfluous whitespace. * [NOD-828] Add a comment explaining the use of batches and snapshots. * [NOD-828] Implement RollbackUnlessClosed(). * [NOD-828] Return both errors in StoreBlock rollback. * [NOD-828] Move rollback-on-error logic into ffldb. Remove CurrentStoreLocation and RollbackStore from DataAccessor. * [NOD-828] Make bucket a type alias instead of a struct. * [NOD-828] Fix a typo. * [NOD-828] Use copy instead of append in Bucket. * [NOD-828] Extract flatFileLocationSerializedSize to a const. * [NOD-828] Debugf -> Warnf in rollback.go. * [NOD-828] Fix a comment. * [NOD-828] Fix a comment. * [NOD-828] Remove data length from flat file data format. * [NOD-828] Rearrange TestLevelDBTransactionSanity a bit. * [NOD-828] Add stack traces to all errors that come out of library functions. * [NOD-828] Return errors from rollback(). * [NOD-828] Remove an irrelevant comment. * [NOD-828] Remove redundant whitespace. * [NOD-828] Handle nil in FetchBlock. * [NOD-828] Move the explanation about batches and snapshots to the LevelDBTransaction struct. * Revert "[NOD-828] Make bucket a type alias instead of a struct." This reverts commit 1fd39652 * [NOD-828] Fix revert errors. * Revert "[NOD-828] Remove data length from flat file data format." This reverts commit ef408e32 * [NOD-862] Move Cursor() into the DataAccessor interface. * [NOD-828] Add Delete to DataAccessor. * [NOD-865] Move fee data db operations to dbaccess * [NOD-865] Move reachability data db operations to dbaccess * [NOD-865] Move UTXO diff data db operations to dbaccess * [NOD-865] Move subnetwork data db operations to dbaccess * [NOD-865] Fix createDAGState * [NOD-865] Remove old Get signature with "exists" * [NOD-865] Move multiset db operations to dbaccess * [NOD-865] Use dbaccess transactions where possible * [NOD-865] Remove old Get signature with "exists" * [NOD-881] Recover TestGHOSTDAGErrors * [NOD-865] Create function for db keys * [NOD-865] Change Exists to Has, and use accessor.Has where possible * [NOD-865] Make ClearReachabilityData transactive * [NOD-865] Don't iterate cursors while changing db data * [NOD-865] Rename RegisterSubnetwork -> StoreSubnetwork * [NOD-865] Change bucket from utxodiffs to utxo-diffs * [NOD-865] Rename SubnetworkExists->HasSubnetwork * [NOD-865] Change a comment * [NOD-868] Remove all tests from old database. * [NOD-868] Remove all unused methods from the old database's interfaces. * [NOD-865] Fix tests * [NOD-868] Remove references to DB. * [NOD-865] Fix comment * [NOD-868] Remove the old ffldb besides the interface and errors.go. * [NOD-868] Remove errors.go. * [NOD-868] Remove the old database package. * [NOD-868] Add openDB to DAGSetup to emulate the old dbpath in dag.config. * [NOD-868] Rename database2 to database. * [NOD-868] Use NewTx instead of NoTx where required. * [NOD-868] Fix merge errors. * [NOD-868] Rename dbXXX functions to just xxx. * [NOD-868] Rename putDAGState to saveDAGState. * [NOD-868] Replace comments in initDAGState with logs. * [NOD-868] Explain the openDB parameter in DAGSetup. * [NOD-868] Fixup doc.go and README.md. * [NOD-868] Remove pointless transactions. Co-authored-by: Ori Newman <orinewman1@gmail.com> * [NOD-805] Fix merge errors. * [NOD-805] Fix a comment. * [NOD-805] Don't return virtualTxsAcceptanceData from applyDAGChanges. * [NOD-805] Add missing error handling in TestAcceptanceDataIndexRecover. * [NOD-805] Rename blockDAG to dag in indexers/manager.go. * [NOD-805] Defer cursor.Close() everywhere. * [NOD-805] Rename scanFlatFiles to findCurrentLocation. * [NOD-805] Extract crc32ChecksumLength and dataLengthLength to constants. * [NOD-805] Handle open files properly in rollback.go. * [NOD-805] Remove unnecessary func wrapper. * [NOD-805] Remove unnecessary trimming in initialize. * [NOD-805] Made StoreBlock accept only TxContext. * [NOD-805] Changed the log level of an error message to Error. * [NOD-805] Add a note about holding mutexes over deleteFile. * [NOD-805] Remove a false comment. * [NOD-805] Fix a comment. * [NOD-805] Rename blk to block. * [NOD-805] Extract utxoKey to a separate function. * [NOD-805] Move dbaccess.xxxKey functions to the tops of their respective files. * [NOD-805] Fix grammar in dbaccess/db.go. * [NOD-805] Wrap a failed database corruption recovery error. * [NOD-805] Split lines with WithStack in them. * [NOD-805] Fix the comment over initialize. * [NOD-805] Rename ffdb to flatFileDB and ldb to levelDB. * [NOD-805] Fix a comment. * [NOD-805] Fix a comment. * [NOD-805] Use s.writeCursor instead of cursor. * [NOD-805] Embed file in lockableFile. * [NOD-805] the the -> the * [NOD-805] openDB -> db * [NOD-805] Use TxContext in all flushToDB functions. * [NOD-805] Rename context -> dbContext. * [NOD-805] Reword the comment at the beginning on initDAGState. * [NOD-805] Explain cursor key trimming. * [NOD-805] Remove Error from Cursor. * [NOD-805] Return ErrNotFound from done Cursor Key and Value. * [NOD-805] Add missing error handling. * [NOD-805] Fix a comment. * [NOD-805] Fix a variable name. * [NOD-805] Remove pointless underscore. * [NOD-805] Fix a comment. * [NOD-805] Fix a variable name. Co-authored-by: Mike Zak <feanorr@gmail.com> Co-authored-by: Ori Newman <orinewman1@gmail.com> |
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d3b1953deb
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[NOD-848] optimize utxo diffs serialize allocations (#666)
* [NOD-848] Optimize allocations when serializing UTXO diffs * [NOD-848] Use same UTXO serialization everywhere, and use compression as well * [NOD-848] Fix usage of wrong buffer * [NOD-848] Fix tests * [NOD-848] Fix wire tests * [NOD-848] Fix tests * [NOD-848] Remove VLQ * [NOD-848] Fix comments * [NOD-848] Add varint for big endian encoding * [NOD-848] In TestVarIntWire, assume the expected decoded value is the same as the serialization input * [NOD-848] Serialize outpoint index with big endian varint * [NOD-848] Remove p2pk from compression support * [NOD-848] Fix comments * [NOD-848] Remove p2pk from decompression support * [NOD-848] Make entry compression optional * [NOD-848] Fix tests * [NOD-848] Fix comments and var names * [NOD-848] Remove UTXO compression * [NOD-848] Fix tests * [NOD-848] Remove big endian varint * [NOD-848] Fix comments * [NOD-848] Rename ReadVarIntLittleEndian->ReadVarInt and fix WriteVarInt comment * [NOD-848] Add outpointIndexByteOrder variable * [NOD-848] Remove redundant comment * [NOD-848] Fix outpointMaxSerializeSize to the correct value * [NOD-848] Move subBuffer to utils |
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51ff9e2562
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[NOD-571] Cover ghostdag in tests where possible (#613)
* [NOD-571] Cover reachabilityInterval split methods. * [NOD-571] Cover reindexInterval. * [NOD-571] Cover reachability String() methods. * [NOD-571] Cover blueAnticoneSize. * [NOD-571] Remove unnecessary error from setTreeNode. * [NOD-571] Add TestGHOSTDAGErrors. * [NOD-571] Use PrepareBlockForTest in TestBlueAnticoneSizeErrors. * [NOD-571] Use PrepareBlockForTest in TestGHOSTDAGErrors. * [NOD-571] Add substring checks to TestSplitFractionErrors. * [NOD-571] Add substring checks to TestSplitExactErrors and TestSplitWithExponentialBiasErrors. * [NOD-571] Add comments to TestReindexIntervalErrors. * [NOD-571] Add additional info in some error messages. * [NOD-571] Fix error messages. |
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52e0a0967d |
[NOD-629] change GHOSTDAG k to uint8 (#594)
* [NOD-629] Change GHOSTDAG K to a a single byte using type * [NOD-629] Rename variable * [NOD-629] Rename K to KSize * [NOD-629] Remove redundant casting * [NOD-629] Add test for KSize * [NOD-629] Seperate block serialization and db store * [NOD-629] Make sure K is serialized as uint8 * [NOD-629] Rename KSize to KType * [NOD-629] Comment for test * [NOD-629] Change fail message * [NOD-629] Remove newlines * [NOD-629] Fix test * [NOD-629] Do not use maxuint8, but !0 instead * [NOD-629] Fix test * [NOD-629] Merge conflict * [NOD-629] Fix test; Update comment |
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6d765f58ba |
[NOD-570] Separate genesis variables for different netwroks (#578)
* [NOD-570] Separate genesis variables for different netwroks * [NOD-570] Make Testnet genesis * [NOD-570] Make simnet and regtest genesis * [NOD-570] Remake devnet genesis * [NOD-570] Rename regNet -> regTest testnet->testNet * [NOD-570] Change network names to one word instead of camel case * [NOD-570] Change network names to one word instead of camel case * [NOD-570] Fix test names * [NOD-570] Fix TestGHOSTDAG Co-authored-by: Dan Aharoni <dereeno@protonmail.com> |
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2174a0a7f2 |
[NOD-497] Implement GHOSTDAG (#575)
* [NOD-540] Implement reachability (#545) * [NOD-540] Begin implementing reachability. * [NOD-540] Finish implementing reachability. * [NOD-540] Implement TestIsFutureBlock. * [NOD-540] Implement TestInsertFutureBlock. * [NOD-540] Add comments. * [NOD-540] Add comment for interval in blockNode. * [NOD-540] Updated comments over insertFutureBlock and isFutureBlock. * [NOD-540] Implement interval splitting methods. * [NOD-540] Begin implementing tree manipulation in blockNode. * [NOD-540] Implement countSubtreesUp. * [NOD-540] Add a comment explaining an impossible condition. * [NOD-540] Implement applyIntervalDown. * [NOD-540] Moved the reachability tree stuff into reachability.go. * [NOD-540] Add some comments. * [NOD-540] Add more comments, implement isInPast. * [NOD-540] Fix comments. * [NOD-540] Implement TestSplitFraction. * [NOD-540] Implement TestSplitExact. * [NOD-540] Implement TestSplit. * [NOD-540] Add comments to structs. * [NOD-540] Implement TestAddTreeChild. * [NOD-540] Fix a comment. * [NOD-540] Rename isInPast to isAncestorOf. * [NOD-540] Rename futureBlocks to futureCoveringSet. * [NOD-540] Rename isFutureBlock to isInFuture. * [NOD-540] move reachabilityInterval to the top of reachability.go. * [NOD-540] Change "s.t." to "such that" in a comment. * [NOD-540] Fix indentation. * [NOD-540] Fix a potential bug involving float inaccuracy. * [NOD-540] Wrote a more descriptive error message. * [NOD-540] Fix error messsage. * [NOD-540] Fix the recursive countSubtreesUp. * [NOD-540] Rename countSubtreesUp to countSubtrees and applyIntervalDown to propagateInterval. * [NOD-540] Implement updating reachability for a valid new block. * [NOD-540] Implement a disk storage for reachability data. * [NOD-540] Fix not all tree nodes being written to the database. * [NOD-540] Implement serialization for reachabilityData. * [NOD-540] Implement some deserialization for reachabilityData. * [NOD-540] Implement restoring the reachabilityStore on node restart. * [NOD-540] Made interval and remainingInterval pointers. * [NOD-540] Rename setTreeInterval to setInterval. * [NOD-540] Rename reindexTreeIntervals to reindexIntervals and fixed the comment above it. * [NOD-540] Expand the comment above reindexIntervals. * [NOD-540] Fix comment above countSubtrees. * [NOD-540] Fix comment above countSubtrees some more. * [NOD-540] Fix comment above split. * [NOD-540] Fix comment above isAncestorOf. * [NOD-540] Fix comment above reachabilityTreeNode. * [NOD-540] Fix weird condition in addTreeChild. * [NOD-540] Rename addTreeChild to addChild. * [NOD-540] Fix weird condition in splitFraction. * [NOD-540] Reverse the lines in reachabilityTreeNode.String(). * [NOD-540] Renamed f to fraction and x to size. * [NOD-540] Fix comment above bisect. * [NOD-540] Implement rtn.isAncestorOf(). * [NOD-540] Use treeNode isAncestorOf instead of treeInterval isAncestorOf. * [NOD-540] Use newReachabilityInterval instead of struct initialization. * [NOD-540] Make reachabilityTreeNode.String() use strings.Join. * [NOD-540] Use sync.RWMutex instead of locks.PriorityMutex. * [NOD-540] Rename thisTreeNode to newTreeNode. * [NOD-540] Rename setTreeNode to addTreeNode. * [NOD-540] Extracted selectedParentAnticone to a separate function. * [NOD-540] Rename node to this. * [NOD-540] Move updateReachability and isAncestorOf from dag.go to reachability.go. * [NOD-540] Add whitespace after multiline function signatures in reachability.go. * [NOD-540] Make splitFraction return an error on empty interval. * [NOD-540] Add a comment about rounding to splitFraction. * [NOD-540] Replace sneaky tabs with spaces. * [NOD-540] Rename split to splitExponential. * [NOD-540] Extract exponentialFractions to a separate function. * [NOD-540] Rename bisect to findIndex. * [NOD-540] Add call to reachabilityStore.clearDirtyEntries at the end of saveChangesFromBlock. * [NOD-540] Explain the dirty hack in reachabilityStore.init(). * [NOD-540] Split the function signature for deserializeReachabilityData to two lines. * [NOD-540] Add a comment about float precision loss to exponentialFractions. * [NOD-540] Corrected a comment about float precision loss to exponentialFractions. * [NOD-540] Fixed a comment about float precision loss to exponentialFractions some more. * [NOD-540] Added further comments above futureCoveringBlockSet. * [NOD-540] Rename addTreeNode to setTreeNode. * [NOD-540] Rename splitExponential to splitWithExponentialBias. * [NOD-540] Fix object references in reachabilityData deserialization (#563) * [NOD-540] Fix broken references in deserialization. * [NOD-540] Fix broken references in futureCoveringSet deserialization. Also add comments. * [NOD-540] Don't deserialize on the first pass in reachabilityStore.init(). * [NOD-540] Remove redundant assignment to loaded[hash]. * [NOD-540] Use NewHash instead of SetBytes. Rename data to destination. * [NOD-540] Preallocate futureCoveringSet. * [NOD-541] Implement GHOSTDAG (#560) * [NOD-541] Implement GHOSTDAG * [NOD-541] Replace the old PHANTOM variant with GHOSTDAG * [NOD-541] Move dag.updateReachability to the top of dag.applyDAGChanges to update reachability before the virtual block is updated * [NOD-541] Fix blueAnticoneSize * [NOD-541] Initialize node.bluesAnticoneSizes * [NOD-541] Fix pastUTXO and applyBlueBlocks blues order * [NOD-541] Add serialization logic to node.bluesAnticoneSizes * [NOD-541] Fix GHOSTDAG to not count the new block and the blue candidates anticone, add selected parent to blues, and save to node.bluesAnticoneSizes properly * [NOD-541] Fix test names in inner strings * [NOD-541] Writing TestGHOSTDAG * [NOD-541] In blueAnticoneSize change node->current * [NOD-541] name ghostdag return values * [NOD-541] fix ghostdag to return slice * [NOD-541] Split k-cluster violation rules * [NOD-541] Add missing space * [NOD-541] Add comment to ghostdag * [NOD-541] In selectedParentAnticone rename past->selectedParentPast * [NOD-541] Fix misrefernces to TestChainUpdates * [NOD-541] Fix ghostdag comment * [NOD-541] Make PrepareBlockForTest in blockdag package * [NOD-541] Make PrepareBlockForTest in blockdag package * [NOD-541] Assign to selectedParentAnticone[i] instead of appending * [NOD-541] Remove redundant forceTransactions arguments from PrepareBlockForTEST * [NOD-541] Add non-selected parents to anticoneHeap * [NOD-541] add test for ghostdag * [NOD-541] Add comments * [NOD-541] Use adjusted time for initializing blockNode * [NOD-541] Rename isAncestorOf -> isAncestorOfBlueCandidate * [NOD-541] Remove params from PrepareBlockForTest * [NOD-541] Fix TestChainHeight * [NOD-541] Remove recursive lock * [NOD-541] Fix TestTxIndexConnectBlock * [NOD-541] Fix TestBlueBlockWindow * [NOD-541] Put prepareAndProcessBlock in common_test.go * [NOD-541] Fix TestConfirmations * [NOD-541] Fix TestAcceptingBlock * [NOD-541] Fix TestDifficulty * [NOD-541] Fix TestVirtualBlock * [NOD-541] Fix TestSelectedPath * [NOD-541] Fix TestChainUpdates * [NOD-541] Shorten TestDifficulty test time * [NOD-541] Make PrepareBlockForTest use minimal valid block time * [NOD-541] Remove TODO comment * [NOD-541] Move blockdag related mining functions to mining.go * [NOD-541] Use NextBlockCoinbaseTransaction instead of NextBlockCoinbaseTransactionNoLock in NextCoinbaseFromAddress * [NOD-541] Remove useMinimalTime from BlockForMining * [NOD-541] Make MedianAdjustedTime a *BlockDAG method * [NOD-541] Fix ghostdag to use anticone slice instead of heap * [NOD-541] Fix NewBlockTemplate locks * [NOD-541] Fix ghostdag comments * [NOD-541] Convert MedianAdjustedTime to NextBlockTime * [NOD-541] Fix ghostdag comment * [NOD-541] Fix TestGHOSTDAG comment * [NOD-541] Add comment before sanity check * [NOD-541] Explicitly initialize .blues in ghostdag * [NOD-541] Rename *blockNode.lessThan to *blockNode.less * [NOD-541] Remove redundant check if block != chainBlock * [NOD-541] Fix comment * [NOD-541] Fix comment * [NOD-497] Add comment; General refactoring * [NOD-497] General refactoring. * [NOD-497] Use isAncestor of the tree rather than the node * [NOD-497] Remove reachability mutex lock as it is redundant (dag lock is held so no need); General refactoring. * [NOD-497] Update comment * [NOD-497] Undo test blocktimestamp * [NOD-497] Update comments; Use BlockNode.less for blockset; * [NOD-497] Change processBlock to return boolean and not the delay duration (merge conflict) * [NOD-497] Undo change for bluest to use less; Change blocknode less to use daghash.Less Co-authored-by: stasatdaglabs <39559713+stasatdaglabs@users.noreply.github.com> Co-authored-by: Dan Aharoni <dereeno@protonmail.com> |