* [NOD-719] Added defers to unlocks (#618)
* [NOD-719] Added defers to unlocks
* [NOD-719] Added another defer to another Unlock
* [NOD-719] Added yet another defer to yet another Unlock
* [NOD-747] Change FinalityInterval to be 24 hours, isCurrent to be true if the DAG's time is less than 12 hours than the present, and change MaxInvPerMsg to be 1 << 17 (#625)
* [NOD-641] Upgrade to github.com/pkg/errors v0.9.1 and use errors.As where needed
* [NOD-641] Fix find and replace error
* [NOD-641] Use errors.As for error type checking
* [NOD-641] Fix errors.As for pointer types
* [NOD-641] Use errors.As where needed
* [NOD-641] Rename rErr->ruleErr
* [NOD-641] Rename derr->dbErr
* [NOD-641] e->flagsErr where necessary
* [NOD-641] change jerr to more appropriate name
* [NOD-641] Rename cerr->bdRuleErr
* [NOD-641] Rename serr->scriptErr
* [NOD-641] Use errors.Is instead of testutil.AreErrorsEqual in TestNewHashFromStr
* [NOD-641] Rename bdRuleErr->dagRuleErr
* [NOD-641] Rename mErr->msgErr
* [NOD-641] Rename dErr->deserializeErr
* [NOD-648] Add TestProcessDelayedBlocks
* [NOD-648] Add one second to secondsUntilDelayedBlockIsValid to make sure the delayedBlock timestamp will be valid, and add comments
* [NOD-648] Remove redundant import
* [NOD-648] Use fakeTimeSource instead of time.Sleep
* [NOD-648] Rename dag.HaveBlock->dag.IsKnownBlock, dag.BlockExists->dag.IsInDAG
* [NOD-648] Add comment
* [NOD-641] Rename HaveBlock->IsKnownBlock, BlockExists->IsInDAG
* [NOD-636] Scope err so defer anonymous defer function will get it.
* [NOD-636] Add comment to explain why this line is needed.
* [NOD-636] Edit comment.
* [NOD-700] Convert blockSet to map[*blockNode]struct{}.
* [NOD-700] Rename bluestNode to bluestBlock in bluest().
* [NOD-700] Make IsInSelectedParentChain not use the now-slower containsHash.
* [NOD-700] Rename block to node in blockset.go.
* [NOD-700] Remove containsHash and hashesEqual.
* [NOD-700] Add a comment to IsInSelectedParentChain about how it'll fail if the given blockHash is not within the block index.
* [NOD-652] Add selectedTip and getSelectedTip messages
* [NOD-652] Remove peerSyncState.isSelectedTipKnown
* [NOD-652] Do nothing on OnSelectedTip if the peer selected tip hasn't changed
* [NOD-652] Handle selected tip message with block handler
* [NOD-652] Add comments
* [NOD-652] go mod tidy
* [NOD-652] Fix TestVersion
* [NOD-652] Use dag.AdjustedTime instead of dag.timeSource.AdjustedTime
* [NOD-652] Create shouldQueryPeerSelectedTips and queueMsgGetSelectedTip functions
* [NOD-652] Change selectedTip to selectedTipHash where needed
* [NOD-652] add minDAGTimeDelay constant
* [NOD-652] add comments
* [NOD-652] Fix names and comments
* [NOD-652] Put msg.reply push in the right place
* [NOD-652] Fix comments and names
* [NOD-640] Revamp blueBlocksBetween to return up to maxEntries from highNode's antiFuture.
* [NOD-640] Fix bad traversal.
* [NOD-640] Use more accurate len.
* [NOD-640] Use more appropriate len in another place.
* [NOD-640] Remove the whole business with highNode's anticone.
* [NOD-640] Rename highNodeAntiFuture to candidateNodes.
* [NOD-640] Explain the highNode.blueScore-lowNode.blueScore+1 approximation.
* [NOD-640] UpHeap -> upHeap.
* [NOD-640] Fix off-by-one error.
* [NOD-640] Rename blueBlocksBetween to antiPastBetween,
* [NOD-640] upHeap -> up-heap.
* [NOD-640] Use a classic for to populate nodes.
* [NOD-640] Reworded a comment.
* [NOD-640] Clarify a comment.
* [NOD-640] Fix nodes declaration.
* [NOD-669] Remove the "get" from getBlueBlocksBetween.
* [NOD-669] Remove the "Get" from GetBlueBlocksHeadersBetween.
* [NOD-669] In blueBlocksBetween, rename startHash to lowHash and stopHash to highHash.
* [NOD-669] Rename startHash to lowHash and stopHash to highHash in blockLocator logic.
* [NOD-669] Remove zeroHash logic in blockLocator.
* [NOD-669] Finish renaming startHash and stopHash in blockdag.
* [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it.
* [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it some more.
* [NOD-669] Rename startHash and stopHash in blockdag where I previously missed it some more some more.
* [NOD-669] Fix bad grammar in method names.
* [NOD-669] Rename lowHash to blockHash in SelectedParentChain.
* [NOD-669] Fix a comment.
* [NOD-616] Remove unused methods from BlockDAG.
* [NOD-616] Remove Height from GetRawMempoolVerboseResult and TxDesc.
* [NOD-616] Replaced BlockDAG.ChainHeight with SelectedTipBlueScore.
* [NOD-616] Remove the unused BlockChainHeightByHash.
* [NOD-616] Remove the unused blockChainHeight from checkBlockHeaderContext.
* [NOD-616] Remove chainHeight from util.Block.
* [NOD-616] Remove TestChainHeight.
* [NOD-616] Update unknown rule activation warning to use blueScore.
* [NOD-616] Update thresholdState to use blueScore instead of chainHeight.
* [NOD-616] Update blockLocator to use blueScore instead of chainHeight.
* [NOD-616] Remove blockNode.chainHeight.
* [NOD-616] Fix comments and variable names.
* [NOD-616] Replace a weird for loop with a while loop.
* [NOD-616] Fix a comment.
* [NOD-616] Remove pre-allocation in blockLocator.
* [NOD-616] Coalesce checks that startHash and stopHash are not the same into the same condition.
* [NOD-616] Fix a comment.
* [NOD-616] Remove weird blueScore logic around childHashStrings.
* [NOD-616] Fix hash pointer comparison.
* [NOD-616] Fix a comment.
* [NOD-616] Add ban score to peers misusing GetBlockLocator.
* [NOD-616] Replace adding ban score with disconnecting.
* [NOD-616] Add blueScore to FilteredBlockAddedNtfn.
* [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>
* [NOD-420] Delay blocks with valid timestamp (non-delayed) that point to a delayed block.
* [NOD-420] Mark block as requested when setting as delayed.
* [NOD-420] Merge master; Use dag.timeSource.AdjustedTime() instead of time.Now;
* [NOD-420] Return nil when not expecting an error
* [NOD-420] Initialise delyaed blocks mapping
* [NOD-420] Trigger delayed blocks processing every time we process a block.
* [NOD-420] Hold the read lock in processDelayedBlocks
* [NOD-420] Add delayed blocks heap sorted by their process time so we could process them in order.
* [NOD-420] Update debug log
* [NOD-420] Fix process blocks loop
* [NOD-420] Add comment
* [NOD-420] Log error message
* [NOD-420] Implement peek method for delayed block heap. extract delayed block processing to another function.
* [NOD-420] Trigger process delayed blocks only in process block
* [NOD-420] Move delayed block addition to process block
* [NOD-420] Use process block to make sure we fully process the delayed block and deal with orphans.
* [NOD-420] Unexport functions when not needed; Return isDelayed boolean from ProcessBlock instead of the delay duration
* [NOd-420] Remove redundant delayedBlocksLock
* [NOD-420] Resolve merge conflict; Return delay 0 instead of boolean
* [NOD-420] Do not treat delayed block as orphan
* [NOD-420] Make sure block is not processed if we have already sa delayed.
* [NOD-420] Process delayed block if parent is delayed to make sure it would not be treated as orphan.
* [NOD-420] Rename variable
* [NOD-420] Rename function. Move maxDelayOfParents to process.go
* [NOD-420] Fix typo
* [NOD-420] Handle errors from processDelayedBlocks properly
* [NOD-420] Return default values if err != nil from dag.addDelayedBlock
* [NOD-420] Return default values if err != nil from dag.addDelayedBlock in another place
Co-authored-by: Svarog <feanorr@gmail.com>
* [NOD-532] Change chain to DAG in the root package.
* [NOD-532] Change chain to DAG in checkpoints.go.
* [NOD-532] Change chain to DAG in blockdag.
* [NOD-532] Change chain to DAG in cmd.
* [NOD-532] Change chain to DAG in dagconfig.
* [NOD-532] Change chain to DAG in database.
* [NOD-532] Change chain to DAG in mempool.
* [NOD-532] Change chain to DAG in mempool.
* [NOD-532] Change chain to DAG in netsync.
* [NOD-532] Change chain to DAG in rpcclient.
* [NOD-532] Change chain to DAG in server.
* [NOD-532] Change chain to DAG in txscript.
* [NOD-532] Change chain to DAG in util.
* [NOD-532] Change chain to DAG in wire.
* [NOD-532] Remove block heights in dagio.go examples.
* [NOD-532] Rename fakeChain to fakeDAG.
* [NOD-532] Fix comments, remove unused EnableBCInfoHacks flag.
* [NOD-532] Fix comments and variable names.
* [NOD-532] Fix comments.
* [NOD-532] Fix merge errors.
* [NOD-532] Formatted project.
* [NOD-502] Remove checkpoints.
* [NOD-502] Remove remaining references to checkpoints.
* [NOD-500] Split RejectFinality to RejectDifficulty.
* [NOD-500] Remove support for headers-first in p2p.
* [NOD-500] Panic in newHashFromStr in case of an error.
* [NOD-471] Make AddTx return false for duplicate coinbase, and make pastUTXO return accepted transaction with the accepting block blue score
* [NOD-471] Remove diffFromAcceptanceData
* [NOD-471] Make fetchBlueBlocks return also selected parent
* [NOD-471] Skip adding coinbase transactions on applyBlueBlocks
* [NOD-471] Use tx.IsCoinbase() instead of i == util.CoinbaseTransactionIndex
* [NOD-488] Make getBlueBlocksBetween return error if start hash is not in the selected parent chain of stop hash
* [NOD-488] Convert for to while style
* [NOD-395] Write a test for the diffFromAcceptanceData crash.
* [NOD-395] Converted MultiBlockTxsAcceptanceData into a slice.
* [NOD-395] Fix failing test.
* [NOD-395] Populate multiBlockTxsAcceptanceData bottom-to-top.
* [NOD-395] Add comment to FindAcceptanceData.
* [NOD-395] Remove no-longer relevant note about probability in TestOrderInDiffFromAcceptanceData.
* [NOD-385] Make confirmations be calculated as dag.selectedTip().blueScore - acceptingBlock.blueScore + 2
* [NOD-385] Fix comments
* [NOD-385] Make more explicit check in accepting block for selected tip
* [NOD-385] Put only non accepted transactions in areTxsInBlock
* [NOD-385] fetchSelectedTip only if needed
* change finality interval to 1000 ( ~16.6 minutes interval)
* [NOD-357] define finality interval in dagParams instead of using a constant.
* use dagParams for FinalityInterval instead of constant
* override parameter so test would pass on CI (Jenkins machine runs out of memory if we use 1000)
* formating the code
* [NOD-338] Recover indexer if it didn't work for a while
* [NOD-338] Recover indexer if it didn't work for a while
* [NOD-338] Recover indexer if it didn't work for a while
* [NOD-338] Add tests and move blockidhash.go to blockdag package
* [NOD-338] Delete index current block id when dropping index, and do some refactoring
* [NOD-338] Change comments
* [NOD-338] Change recover error messages
* [NOD-338] Fix comments
* [NOD-338] Fix comments and fix test name
* [NOD-289] Implemented database isCurrent checking and connection.
* [NOD-289] Added GetChainFromBlock to RPCClient.
* [NOD-289] Limited the amount of blocks in GetChainFromBlockResponse.
* [NOD-289] Fixed various issues that were keeping GetChainFromBlocks from working properly.
* [NOD-289] Created blockloop.go.
* [NOD-289] Updated go.mod after merge.
* [NOD-289] Implemented collection of current selected parent chain.
* [NOD-289] Fixed test. Reverted not deleting utxoDiffData from the DB.
* [NOD-289] Implemented GetBlocks.
* [NOD-289] Added comment to BlockHashesFrom.
* [NOD-289] Added GetBlocks to rpcclient.
* [NOD-289] Added verboseBlocks to GetBlocks.
* [NOD-289] Implemented block insertion.
* [NOD-289] Added AUTO_INCREMENT to tables that were missing it.
* [NOD-289] Made gasLimit in subnetwork nullable.
* [NOD-289] Renamed transactions_outputs to transaction_outputs.
* [NOD-289] Fixed weird coinbase behavior in vin.
* [NOD-289] Made collectCurrentBlocks start from the most recent startHash.
* [NOD-289] Added IsChainBlock to GetBlockVerboseResult.
* [NOD-289] Implemented adding a block from onBlockAdded.
* [NOD-289] Added removedParentChainHashes to getChainFromBlock.
* [NOD-289] Implemented updating the selected parent chain from onChainChanged.
* [NOD-289] Implemented some initial logic for updating the UTXO.
* [NOD-289] Fixed merge errors.
* [NOD-326] Fixed some more merge errors.
* [NOD-289] Added error handling for missing required records.
* [NOD-289] Implemented handling removedChainHashes.
* [NOD-289] Implemented handling addedChainBlocks.
* [NOD-289] Fixed incorrect coinbase check.
* [NOD-289] Implemented inserting the transaction output address.
* [NOD-289] Added updating block.IsChainBlock.
* [NOD-289] Split insertBlock into many small functions.
* [NOD-289] Split updateSelectedParentChain into smaller functions.
* [NOD-289] Fixed pointer errors.
* [NOD-289] Fixed a bad exists check.
* [NOD-289] Fixed a couple of small bugs.
* [NOD-289] Fixed a TxID/Hash mixup.
* [NOD-289] Added block/tx mass to getBlockVerboseResponse.
* [NOD-289] Renamed blockLoop.go to sync.go. Added comments.
* [NOD-289] Deleted apiserver README.
* [NOD-289] Fixed golint errors.
* [NOD-289] Renamed findMostRecentBlockHash to findHashOfBluestBlock.
* [NOD-289] Fixed style in syncBlocks and fixed a comment.
* [NOD-289] Copied NewErrorFromDBErrors over from NOD-324.
* [NOD-289] Created a couple of utils to make error handling with gorm slightly less painful.
* [NOD-289] Added error handling for database calls.
* [NOD-289] Fixed some more style/comments.
* [NOD-289] Fixed comments.
* [NOD-289] Renamed TransactionInput.TransactionOutput to TransactionInput.PreviousTransactionOutput.
* [NOD-289] Added a commends about pagination in getBlocks and getChainFromBlock.
* [NOD-289] Removed the coinbase field from Vin.
* [NOD-289] Deferred handling chainChangedMsgs until we have the appropriate data.
* [NOD-289] Optimized queries in updateRemovedChainHashes and updateAddedChainBlocks.
* [NOD-289] Optimized queries in insertBlockParents.
* [NOD-289] Optimized queries in insertTransactionInput.
* [NOD-289] Split Where calls to separate lines.
* [NOD-289] Fixed merge errors.
* [NOD-289] Exited early from insertBlockParents if we're the genesis block.
* [NOD-289] Improved nextChainChangedChan mechanism.
* [NOD-289] Fixed the above sync mechanism a bit.
* [NOD-289] Renamed IsDBRecordNotFoundError to HasDBRecordNotFoundError and IsDBError to HasDBError.
* [NOD-289] Replaced old error handling for db errors with the lovely new stuff.
* [NOD-289] Exited early if we already inserted a block. This saves us checking if a record already exists for some record types.
* [NOD-289] Decoupled syncBlocks from syncSelectedParentChain.
* [NOD-289] Made a comment more explicit.
* [NOD-289] Extracted net resolution to a separate function.
* [NOD-289] Extracted syncing to a separate function.
* [NOD-289] Fixed a comment.
* [NOD-289] Fixed merge erros.
* [NOD-289] Fixed a couple of bugs.
* [NOD-289] Fixed another bug.
* [NOD-289] Extracted ChainChangedMsg conversion to a separate function.
* [NOD-289] Optimized queries in canHandleChainChangedMsg.
* [NOD-289] Moved the sync function closer to its call site.
* [NOD-289] Renamed HasDBRecordNotFoundError to IsDBRecordNotFoundError.
* [NOD-289] Used count instead of first.
* [NOD-289] Renamed address to hexAddress.
* [NOD-315] Created acceptanceindex.go including boilerplate.
* [NOD-315] Disallowed calls to notifyChainChanges and getChainFromBlock if the acceptance index is not on.
* [NOD-315] Implemented the acceptance index.
* [NOD-315] Fixed serialization/deserialization. Added test.
* [NOD-315] Fixed/added comments.
* [NOD-315] Fixed copy/paste errors.
* [NOD-315] Added an empty line for readability.
* [NOD-301] Don't sync with peer if the rendezvous point is below finality
* [NOD-301] Add block hash and peer address for the warn message
* [NOD-301] Fix perrLog.Warnf arguments order
* [NOD-270] Added notifyChainChanges and related commands.
* [NOD-270] Added NTChainChanged to blockdag.
* [NOD-270] Implemented collection and sending of ChainChanged notifications.
* [NOD-270] Fixed an improperly named test.
* [NOD-270] Added a test: TestChainChangedNotification.
* [NOD-270] Fixed a couple copy+paste errors.
* [NOD-270] Added a couple of comments for TestChainChangedNotification.
* [NOD-270] Fixed formatting error.
* [NOD-270] Fixed a comment.
* [NOD-270] Uncoupled chain updates inside blockdag from the concept of a notification.
* [NOD-270] Removed intermediary ChainUpdates object from ChainChangedNotificationData.
* [NOD-241] Implement lower resolution peer rendezvous point discovery
* [NOD-241] Implement lower resolution peer rendezvous point discovery
* [NOD-241] Find exact rendezvous point
* [NOD-241] Find exact rendezvous point
* [NOD-241] Fix tests
* [NOD-241] Remove hash stop from MsgBlockLocator and add tests to MsgBlockLocator and MsgGetBlockLocator
* [NOD-241] Change everywhere startHash to hashStart and change comments
* [NOD-241] Fix locateBlockNodes to stop at hashStop
* [NOD-241] Formatted locatorSummary.
* [NOD-241] Fix node reversal
* [NOD-241] Fix hash start and hash stop order, and don't include startNode in dag.blockLocator
* [NOD-241] rename locateBlockNodes -> getBlueBlocksBetween and add a comment to it
* [NOD-241] change hash start to start hash and hash stop to stop hash
* [NOD-241] Move block locator stuff to a different file
* [NOD-241] Rename msggetblocks.go to msggetblockinvs.go
* [NOD-241] Format project
* [NOD-241] Rename rpcserverSyncManager.LocateHeaders to GetBlueBlocksHeadersBetween
* [NOD-241] Move the logic of finding the highest shared block to OnBlockLocator
* [NOD-241] Rename chainHeight -> nextChainHeight
* [NOD-241] Fix typo in comment
* [NOD-269] Added a skeleton for getChainFromBlock.
* [NOD-269] Made startHash and includeBlocks optional.
* [NOD-269] Implemented chainBlock collection.
* [NOD-269] Extracted GetBlockVerboseResult building to its own method.
* [NOD-269] Implemented the IncludeBlocks part of GetChainFromBlock.
* [NOD-269] Added a comment for NewGetChainFromBlockCmd.
* [NOD-269] Made IsInSelectedPathChain return an error.
* [NOD-269] Fixed a very wrong comment.
* [NOD-269] Made SelectedPathChain allocate only the required amount of space.
* [NOD-269] Renamed pathChain to parentChain.
* [NOD-269] Split handleGetChainFromBlock to separate functions.
* [NOD-269] Fixed some grammar.
