sync

package
v0.2.2 Latest Latest
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 Go to latest Published: May 2, 2020 License: LGPL-3.0 Imports: 21 Imported by: 2

Documentation

Overview

sync cp2fp contains the implementation of fractal sync checkpoint to fixpoint.

Package sync contains the implementation of fractal sync strategy. TODO: what will happen if malicious player exists

sync check contains the implementation of fractal fetch hashes.

Package sync contains the implementation of fractal sync strategy.

sync spiral contains the implementation of fractal sync complex mode.

Package sync contains the implementation of fractal sync strategy.

Package sync contains the implementation of fractal sync strategy.

Index

Constants

View Source 
const (
	FastSyncModeBegin = iota
	FastSyncModeNone
	FastSyncModeEasy
	FastSyncModeComplex
	FastSyncModeEnd
)

Variables

View Source 
var (
	ErrMainBlockCheckAndExecFailed = errors.New("main block check or exec failed")
)

Functions

func NewBlockCache 

func NewBlockCache(clearCycleCount int, greedy uint8, remainedLen int) *blockCache

Types

type CP2FPSync 

type CP2FPSync struct {
	// contains filtered or unexported fields
}

type CP2FPTask 

type CP2FPTask struct {
	// contains filtered or unexported fields
}

type Cursor 

type Cursor struct {
	// contains filtered or unexported fields
}

use cursor for block process

func NewCursor 

func NewCursor(hashElems protocol.HashElems, chain blockchain, packer packer.Packer, setHead bool, remainedLen int) *Cursor

func (*Cursor) Finish 

func (c *Cursor) Finish()

func (*Cursor) IsFinished 

func (c *Cursor) IsFinished() bool

func (*Cursor) IsRunning 

func (c *Cursor) IsRunning() bool

func (*Cursor) ProcessBlock 

func (c *Cursor) ProcessBlock(block *types.Block) error

func (*Cursor) Start 

func (c *Cursor) Start()

type FastSyncMode 

type FastSyncMode int

FastSyncMode is the mode for fast sync

func (FastSyncMode) String 

func (m FastSyncMode) String() string

type FastSyncStatus 

type FastSyncStatus int

FastSyncStatus is the child status for StatusFastSync 

const (
	FastSyncStatusBegin FastSyncStatus = iota

	FastSyncStatusNone
	FastSyncStatusShortHashList

	// for complex mode
	FastSyncStatusLongHashList
	FastSyncStatusCheckMainChain

	// for fix point fetch
	FastSyncStatusFixPointPreBlocks
	FastSyncStatusFixPointPreStates
	FastSyncStatusFixPointPostBlocks

	FastSyncStatusEnd
)

func (FastSyncStatus) String 

func (s FastSyncStatus) String() string

type PeerHashElemList 

type PeerHashElemList struct {
	HashType protocol.SyncHashType
	Peer     *network.Peer
	HashList []*protocol.HashElem
}

type SyncStatus 

type SyncStatus int

SyncStatus is the top status for sync process 

const (
	SyncStatusBegin SyncStatus = iota
	SyncStatusInit
	SyncStatusFastSync
	SyncStatusNormal
	SyncStatusPeerSync
	SyncStatusEnd
)

func (SyncStatus) String 

func (s SyncStatus) String() string

type Synchronizer 

type Synchronizer struct {
	// contains filtered or unexported fields
}

func NewSynchronizer 

func NewSynchronizer(chain blockchain, miner miner, packer packer.Packer, removePeerCallback removePeerCallback, finishDependErr finishDepend, blockProcessCh chan *network.BlockWithVerifyFlag, conf *config.SyncConfig) *Synchronizer

func (*Synchronizer) AddPeer 

func (s *Synchronizer) AddPeer(p *network.Peer)

func (*Synchronizer) DoPeerSync 

func (s *Synchronizer) DoPeerSync(p *network.Peer)

func (*Synchronizer) GetConfig 

func (s *Synchronizer) GetConfig() *config.SyncConfig

func (*Synchronizer) GetFastSyncMode 

func (s *Synchronizer) GetFastSyncMode() FastSyncMode

func (*Synchronizer) GetFastSyncStatus 

func (s *Synchronizer) GetFastSyncStatus() FastSyncStatus

func (*Synchronizer) GetSyncStatus 

func (s *Synchronizer) GetSyncStatus() SyncStatus

func (*Synchronizer) HandleHashesRequest 

func (s *Synchronizer) HandleHashesRequest(p *network.Peer, hashesReq protocol.SyncHashListReq)

func (*Synchronizer) HandleHashesResponse 

func (s *Synchronizer) HandleHashesResponse(p *network.Peer, hashesRes protocol.SyncHashListRsp)

func (*Synchronizer) IsSyncStatusNormal 

func (s *Synchronizer) IsSyncStatusNormal() bool

func (*Synchronizer) ProcessBlocksReq 

func (s *Synchronizer) ProcessBlocksReq(peer *network.Peer, stage protocol.SyncStage, roundFrom uint64, roundTo uint64) error

func (*Synchronizer) ProcessBlocksRsp 

func (s *Synchronizer) ProcessBlocksRsp(peer *network.Peer, stage protocol.SyncStage, blocks types.Blocks)

func (*Synchronizer) ProcessNodeData 

func (s *Synchronizer) ProcessNodeData(p *network.Peer, data [][]byte)

func (*Synchronizer) ProcessSyncPostBlocksForStateReq 

func (s *Synchronizer) ProcessSyncPostBlocksForStateReq(p *network.Peer, hashReq protocol.IntervalHashReq) error

func (*Synchronizer) ProcessSyncPostBlocksForStateRsp 

func (s *Synchronizer) ProcessSyncPostBlocksForStateRsp(blocks types.Blocks)

func (*Synchronizer) ProcessSyncPreBlocksForStateReq 

func (s *Synchronizer) ProcessSyncPreBlocksForStateReq(p *network.Peer, hash common.Hash) error

func (*Synchronizer) ProcessSyncPreBlocksForStateRsp 

func (s *Synchronizer) ProcessSyncPreBlocksForStateRsp(blocks types.Blocks)

func (*Synchronizer) ProcessTxPackagesReq 

func (s *Synchronizer) ProcessTxPackagesReq(peer *network.Peer, stage protocol.SyncStage, pkgHashes []common.Hash, bucket *ratelimit.Bucket, waitTime time.Duration)

func (*Synchronizer) ProcessTxPackagesRsp 

func (s *Synchronizer) ProcessTxPackagesRsp(peer *network.Peer, stage protocol.SyncStage, pkgs []*types.TxPackage)

func (*Synchronizer) RemovePeer 

func (s *Synchronizer) RemovePeer(p *network.Peer)

no need to unregister peers in downloader, they need to be unregistered where they are used

func (*Synchronizer) Start 

func (s *Synchronizer) Start()

func (*Synchronizer) Stop 

func (s *Synchronizer) Stop()

Source Files

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