Ori Newman d207888b67
Implement pruned headers node (#1787)
* Pruning headers p2p basic structure

* Remove headers-first

* Fix consensus tests except TestValidateAndInsertPruningPointWithSideBlocks and TestValidateAndInsertImportedPruningPoint

* Add virtual genesis

* Implement PruningPointAndItsAnticoneWithMetaData

* Start fixing TestValidateAndInsertImportedPruningPoint

* Fix TestValidateAndInsertImportedPruningPoint

* Fix BlockWindow

* Update p2p and gRPC

* Fix all tests except TestHandleRelayInvs

* Delete TestHandleRelayInvs parts that cover the old IBD flow

* Fix lint errors

* Add p2p_request_ibd_blocks.go

* Clean code

* Make MsgBlockWithMetaData implement its own representation

* Remove redundant check if highest share block is below the pruning point

* Fix TestCheckLockTimeVerifyConditionedByAbsoluteTimeWithWrongLockTime

* Fix comments, errors ane names

* Fix window size to the real value

* Check reindex root after each block at TestUpdateReindexRoot

* Remove irrelevant check

* Renames and comments

* Remove redundant argument from sendGetBlockLocator

* Don't delete staging on non-recoverable errors

* Renames and comments

* Remove redundant code

* Commit changes inside ResolveVirtual

* Add comment to IsRecoverableError

* Remove blocksWithMetaDataGHOSTDAGDataStore

* Increase windows pagefile

* Move DeleteStagingConsensus outside of defer

* Get rid of mustAccepted in receiveBlockWithMetaData

* Ban on invalid pruning point

* Rename interface_datastructures_daawindowstore.go to interface_datastructures_blocks_with_meta_data_daa_window_store.go

* * Change GetVirtualSelectedParentChainFromBlockResponseMessage and VirtualSelectedParentChainChangedNotificationMessage to show only added block hashes
*  Remove ResolveVirtual
* Use externalapi.ConsensusWrapper inside MiningManager
* Fix pruningmanager.blockwithmetadata

* Set pruning point selected child when importing the pruning point UTXO set

* Change virtual genesis hash

* replace the selected parent with virtual genesis on removePrunedBlocksFromGHOSTDAGData

* Get rid of low hash in block locators

* Remove +1 from everywhere we use difficultyAdjustmentWindowSize and increase the default value by one

* Add comments about consensus wrapper

* Don't use separate staging area when resolving resolveBlockStatus

* Fix netsync stability test

* Fix checkResolveVirtual

* Rename ConsensusWrapper->ConsensusReference

* Get rid of blockHeapNode

* Add comment to defaultDifficultyAdjustmentWindowSize

* Add SelectedChild to DAGTraversalManager

* Remove redundant copy

* Rename blockWindowHeap->calculateBlockWindowHeap

* Move isVirtualGenesisOnlyParent to utils

* Change BlockWithMetaData->BlockWithTrustedData

* Get rid of maxReasonLength

* Split IBD to 100 blocks each time

* Fix a bug in calculateBlockWindowHeap

* Switch to trusted data when encountering virtual genesis in blockWithTrustedData

* Move ConsensusReference to domain

* Update ConsensusReference comment

* Add comment

* Rename shouldNotAddGenesis->skipAddingGenesis
2021-07-26 12:24:07 +03:00

78 lines
2.0 KiB
Go

package dagtraversalmanager
import (
"github.com/kaspanet/kaspad/domain/consensus/model"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain/consensus/utils/hashset"
)
func (dtm *dagTraversalManager) AnticoneFromVirtualPOV(stagingArea *model.StagingArea, blockHash *externalapi.DomainHash) (
[]*externalapi.DomainHash, error) {
virtualParents, err := dtm.dagTopologyManager.Parents(stagingArea, model.VirtualBlockHash)
if err != nil {
return nil, err
}
return dtm.anticoneFromBlocks(stagingArea, virtualParents, blockHash)
}
func (dtm *dagTraversalManager) Anticone(stagingArea *model.StagingArea, blockHash *externalapi.DomainHash) (
[]*externalapi.DomainHash, error) {
tips, err := dtm.consensusStateStore.Tips(stagingArea, dtm.databaseContext)
if err != nil {
return nil, err
}
return dtm.anticoneFromBlocks(stagingArea, tips, blockHash)
}
func (dtm *dagTraversalManager) anticoneFromBlocks(stagingArea *model.StagingArea, tips []*externalapi.DomainHash, blockHash *externalapi.DomainHash) (
[]*externalapi.DomainHash, error) {
anticone := []*externalapi.DomainHash{}
queue := tips
visited := hashset.New()
for len(queue) > 0 {
var current *externalapi.DomainHash
current, queue = queue[0], queue[1:]
if visited.Contains(current) {
continue
}
visited.Add(current)
currentIsAncestorOfBlock, err := dtm.dagTopologyManager.IsAncestorOf(stagingArea, current, blockHash)
if err != nil {
return nil, err
}
if currentIsAncestorOfBlock {
continue
}
blockIsAncestorOfCurrent, err := dtm.dagTopologyManager.IsAncestorOf(stagingArea, blockHash, current)
if err != nil {
return nil, err
}
if !blockIsAncestorOfCurrent {
anticone = append(anticone, current)
}
currentParents, err := dtm.dagTopologyManager.Parents(stagingArea, current)
if err != nil {
return nil, err
}
for _, parent := range currentParents {
queue = append(queue, parent)
}
}
return anticone, nil
}