* Convert BlockGHOSTDAGData from an interface to a public struct with getters
* Move hashes.Less to externalapi so it can access the hashes directly without copying
* Reduce calls to ghostdagstore.Get in blueWindow
* Simplify the logic in RequiredDifficulty and reuse big.Int
* Remove bigintpool as its no longer used
* Use ChooseSelectedParent in RequiredDifficulty instead of looping over the parents
* Remove comment
* bug invalidateAndInsertPruningPoint: if ValidateAndInsertBlock returned a non-RuleError error - the error was ignored
* Convert checkNoPrefilledFields into checkNoPrefilledInputs
* Add log line
* clone pruning point when passing to validateBlockTransactionsAgainstPastUTXO
* Add recoverability for UTXO index
* Add comment
* Rename UTXOOutpointPair->OutpointUTXOPair
* Get rid of the db transaction on resetStore and collect all keys before deleting
* Use VirtualSelectedParent instead of selected tip
* Fix error
* Add a new message: BlockHeadersMessage.
* Add a new message: BlockHeadersMessage.
* Send a lot of headers as a single message instead of many small messages.
* Keep a short queue of blockHeadersMessages so that there's never a moment when the node is not validating and inserting headers
* Add a missing return statement.
* Remove MsgBlockHeader from payloads.
* Send headers continuously without needing to run the BlockLocator protocol after ever ~maxBlueScoreDifference blocks
* Add logging.
* Make logs more descriptive.
* Change SyncRateWindow to 15 minutes + update sync times on block headers as well
* Rename result to isSyncRateTooLow
* Fix formula for expected blocks
* Add a field to TransactionAcceptanceData: TransactionInputUTXOEntries.
* Fix failing tests.
* Add transactionInputUtxoEntries to the database.
* Populate transactionInputUTXOEntries in applyMergeSetBlocks and use them in the UTXO index.
* Remove UTXOEntry.Clone().
* Add an additional equality test.
* Check that there are no prefilled fields when validating a block
* Use cleanBlockPrefilledFields in AddBlock
* Move cleanBlockPrefilledFields to BuildBlockWithParents
* Move cleanBlockPrefilledFields to func (bb *testBlockBuilder) BuildBlockWithParents
* Add a new message: BlockLocatorHighestHash.
* Add a new message: IBDBlockLocator.
* Implement HandleIBDBlockLocator.
* Reimplement findHighestSharedBlockHash.
* Make HandleIBDBlockLocator only return hashes that are in the selected parent chain of the target hash.
* Increase the cache sizes of blockRelationStore, reachabilityDataStore, and ghostdagDataStore.
* Fix wrong initial highHash in findHighestSharedBlockHash.
* Make go vet happy.
* Protect against receiving wrong messages when expecting MsgIBDBlockLocatorHighestHash.
* Rename reachabilityManager.data to dataForInsertion, and use it only during insertions
* Make reachabilityData an interface
* Fix db serialization of reachability data
* Fix reachabilityDataStore
* Fix all tests
* Cleanup debugging code
* Fix insertToFutureCoveringSet
* Add comments
* Rename to ReachabilityData and MutableReachabilityData
* if more candidates then max, choose half with highest blueWork and half with lowest
* Add a Test GhostDAG sorter
* Add a test for pick virtual parents
* Fix review nits
* Fix notifyVirtualSelectedParentBlueScoreChanged to show the selected tip blue score instead of the virtual's
* Fix ShouldMine() to fetch selected tip header
* Remove the limit on the amount of hashes returned from antiPastHashesBetween.
* Guard against requests with a non-existing block hash.
* Move missing-block-hash guards to consensus.go.
* Ban a peer that doesn't send us all the requested headers during IBD.
* Extract blockHeap.ToSlice.
* Re-request headers in requestHeaders if we didn't receive the highHash.
* Increase size of reachability cache
* Change DomainHash to struct with unexported hashArray
* Fixing compilation errors stemming from new DomainHash structure
* Remove obsolete Read/WriteElement methods in appmessage
* Fix all tests
* Fix all tests
* Add comments
* A few renamings
* go mod tidy
