kaspad/domain/consensus/model/interface_processes_dagtraversalmanager.go
Michael Sutton e5598c15a7
Fix ibd shared past negotiation to be non quadratic also in the worst-case (#1969)
* add p2p v5 which is currently identical to v4

* set all internal imports to v5

* wip

* set default version to 5

* protobuf gen for new ibd chain locator

* wire for new ibd chain locator types

* new ibd shared block algo -- only basic test passing

* address the case where pruning points disagree, now both IBD tests pass

* protobuf gen for new past diff request message

* wire for new request past diff message

* handle and flow for new request past diff message - logic unimplemented yet

* implement ibd sync past diff of relay and selected tip

* go fmt

* remove unused methods

* missed one err check

* addressing simple comments

* apply the traversal limit logic and sort headers

* rename pastdiff -> anticone

* apply Don't relay blocks in virtual anticone #1970 to v5

* go fmt

* Fixed minor comments

* Limit the number of chain negotiation restarts
2022-03-13 11:27:50 +02:00

22 lines
1.5 KiB
Go

package model
import "github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
// DAGTraversalManager exposes methods for traversing blocks
// in the DAG
type DAGTraversalManager interface {
LowestChainBlockAboveOrEqualToBlueScore(stagingArea *StagingArea, highHash *externalapi.DomainHash, blueScore uint64) (*externalapi.DomainHash, error)
// SelectedChildIterator should return a BlockIterator that iterates
// from lowHash (exclusive) to highHash (inclusive) over highHash's selected parent chain
SelectedChildIterator(stagingArea *StagingArea, highHash, lowHash *externalapi.DomainHash, includeLowHash bool) (BlockIterator, error)
SelectedChild(stagingArea *StagingArea, highHash, lowHash *externalapi.DomainHash) (*externalapi.DomainHash, error)
AnticoneFromBlocks(stagingArea *StagingArea, tips []*externalapi.DomainHash, blockHash *externalapi.DomainHash, maxTraversalAllowed uint64) ([]*externalapi.DomainHash, error)
AnticoneFromVirtualPOV(stagingArea *StagingArea, blockHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error)
BlockWindow(stagingArea *StagingArea, highHash *externalapi.DomainHash, windowSize int) ([]*externalapi.DomainHash, error)
DAABlockWindow(stagingArea *StagingArea, highHash *externalapi.DomainHash) ([]*externalapi.DomainHash, error)
NewDownHeap(stagingArea *StagingArea) BlockHeap
NewUpHeap(stagingArea *StagingArea) BlockHeap
CalculateChainPath(stagingArea *StagingArea, fromBlockHash, toBlockHash *externalapi.DomainHash) (
*externalapi.SelectedChainPath, error)
}