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les, light: changed names and abbreviations

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This commit is contained in:
Zsolt Felfoldi 2017-10-11 20:44:22 +02:00
parent 21983ec47e
commit c170349973
12 changed files with 180 additions and 177 deletions
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4
les/api_backend.go
View file

@ -174,10 +174,10 @@ func (b *LesApiBackend) AccountManager() *accounts.Manager {
}
func (b *LesApiBackend) BloomStatus() (uint64, uint64) {
if b.eth.bbIndexer == nil {
if b.eth.bloomIndexer == nil {
return 0, 0
}
sections, _, _ := b.eth.bbIndexer.Sections()
sections, _, _ := b.eth.bloomIndexer.Sections()
return light.BloomTrieFrequency, sections
}

42
les/backend.go
View file

@ -62,8 +62,8 @@ type LightEthereum struct {
// DB interfaces
chainDb ethdb.Database // Block chain database
bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
bbIndexer, chtIndexer, bltIndexer *core.ChainIndexer
bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
bloomIndexer, chtIndexer, bloomTrieIndexer *core.ChainIndexer
ApiBackend *LesApiBackend
@ -92,29 +92,29 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
quitSync := make(chan struct{})
leth := &LightEthereum{
chainConfig: chainConfig,
chainDb: chainDb,
eventMux: ctx.EventMux,
peers: peers,
reqDist: newRequestDistributor(peers, quitSync),
accountManager: ctx.AccountManager,
engine: eth.CreateConsensusEngine(ctx, config, chainConfig, chainDb),
shutdownChan: make(chan bool),
networkId: config.NetworkId,
bloomRequests: make(chan chan *bloombits.Retrieval),
bbIndexer: eth.NewBloomIndexer(chainDb, light.BloomTrieFrequency),
chtIndexer: light.NewChtIndexer(chainDb, true),
bltIndexer: light.NewBloomTrieIndexer(chainDb, true),
chainConfig: chainConfig,
chainDb: chainDb,
eventMux: ctx.EventMux,
peers: peers,
reqDist: newRequestDistributor(peers, quitSync),
accountManager: ctx.AccountManager,
engine: eth.CreateConsensusEngine(ctx, config, chainConfig, chainDb),
shutdownChan: make(chan bool),
networkId: config.NetworkId,
bloomRequests: make(chan chan *bloombits.Retrieval),
bloomIndexer: eth.NewBloomIndexer(chainDb, light.BloomTrieFrequency),
chtIndexer: light.NewChtIndexer(chainDb, true),
bloomTrieIndexer: light.NewBloomTrieIndexer(chainDb, true),
}
leth.relay = NewLesTxRelay(peers, leth.reqDist)
leth.serverPool = newServerPool(chainDb, quitSync, &leth.wg)
leth.retriever = newRetrieveManager(peers, leth.reqDist, leth.serverPool)
leth.odr = NewLesOdr(chainDb, leth.chtIndexer, leth.bltIndexer, leth.bbIndexer, leth.retriever)
leth.odr = NewLesOdr(chainDb, leth.chtIndexer, leth.bloomTrieIndexer, leth.bloomIndexer, leth.retriever)
if leth.blockchain, err = light.NewLightChain(leth.odr, leth.chainConfig, leth.engine); err != nil {
return nil, err
}
leth.bbIndexer.Start(leth.blockchain)
leth.bloomIndexer.Start(leth.blockchain)
// Rewind the chain in case of an incompatible config upgrade.
if compat, ok := genesisErr.(*params.ConfigCompatError); ok {
log.Warn("Rewinding chain to upgrade configuration", "err", compat)
@ -233,14 +233,14 @@ func (s *LightEthereum) Start(srvr *p2p.Server) error {
// Ethereum protocol.
func (s *LightEthereum) Stop() error {
s.odr.Stop()
if s.bbIndexer != nil {
s.bbIndexer.Close()
if s.bloomIndexer != nil {
s.bloomIndexer.Close()
}
if s.chtIndexer != nil {
s.chtIndexer.Close()
}
if s.bltIndexer != nil {
s.bltIndexer.Close()
if s.bloomTrieIndexer != nil {
s.bloomTrieIndexer.Close()
}
s.blockchain.Stop()
s.protocolManager.Stop()

70
les/handler.go
View file

@ -52,14 +52,14 @@ const (
ethVersion = 63 // equivalent eth version for the downloader
MaxHeaderFetch = 192 // Amount of block headers to be fetched per retrieval request
MaxBodyFetch = 32 // Amount of block bodies to be fetched per retrieval request
MaxReceiptFetch = 128 // Amount of transaction receipts to allow fetching per request
MaxCodeFetch = 64 // Amount of contract codes to allow fetching per request
MaxProofsFetch = 64 // Amount of merkle proofs to be fetched per retrieval request
MaxPPTProofsFetch = 64 // Amount of merkle proofs to be fetched per retrieval request
MaxTxSend = 64 // Amount of transactions to be send per request
MaxTxStatus = 256 // Amount of transactions to queried per request
MaxHeaderFetch = 192 // Amount of block headers to be fetched per retrieval request
MaxBodyFetch = 32 // Amount of block bodies to be fetched per retrieval request
MaxReceiptFetch = 128 // Amount of transaction receipts to allow fetching per request
MaxCodeFetch = 64 // Amount of contract codes to allow fetching per request
MaxProofsFetch = 64 // Amount of merkle proofs to be fetched per retrieval request
MaxHelperTrieProofsFetch = 64 // Amount of merkle proofs to be fetched per retrieval request
MaxTxSend = 64 // Amount of transactions to be send per request
MaxTxStatus = 256 // Amount of transactions to queried per request
disableClientRemovePeer = false
)
@ -318,7 +318,7 @@ func (pm *ProtocolManager) handle(p *peer) error {
}
}
var reqList = []uint64{GetBlockHeadersMsg, GetBlockBodiesMsg, GetCodeMsg, GetReceiptsMsg, GetProofsV1Msg, SendTxMsg, SendTxV2Msg, GetTxStatusMsg, GetHeaderProofsMsg, GetProofsV2Msg, GetPPTProofsMsg}
var reqList = []uint64{GetBlockHeadersMsg, GetBlockBodiesMsg, GetCodeMsg, GetReceiptsMsg, GetProofsV1Msg, SendTxMsg, SendTxV2Msg, GetTxStatusMsg, GetHeaderProofsMsg, GetProofsV2Msg, GetHelperTrieProofsMsg}
// handleMsg is invoked whenever an inbound message is received from a remote
// peer. The remote connection is torn down upon returning any error.
@ -835,7 +835,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
proofs []ChtResp
)
reqCnt := len(req.Reqs)
if reject(uint64(reqCnt), MaxPPTProofsFetch) {
if reject(uint64(reqCnt), MaxHelperTrieProofsFetch) {
return errResp(ErrRequestRejected, "")
}
trieDb := ethdb.NewTable(pm.chainDb, light.ChtTablePrefix)
@ -862,12 +862,12 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
pm.server.fcCostStats.update(msg.Code, uint64(reqCnt), rcost)
return p.SendHeaderProofs(req.ReqID, bv, proofs)
case GetPPTProofsMsg:
p.Log().Trace("Received PPT proof request")
case GetHelperTrieProofsMsg:
p.Log().Trace("Received helper trie proof request")
// Decode the retrieval message
var req struct {
ReqID uint64
Reqs []PPTReq
Reqs []HelperTrieReq
}
if err := msg.Decode(&req); err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
@ -878,15 +878,15 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
auxData [][]byte
)
reqCnt := len(req.Reqs)
if reject(uint64(reqCnt), MaxPPTProofsFetch) {
if reject(uint64(reqCnt), MaxHelperTrieProofsFetch) {
return errResp(ErrRequestRejected, "")
}
var (
lastIdx uint64
lastPPTId uint
root common.Hash
tr *trie.Trie
lastIdx uint64
lastType uint
root common.Hash
tr *trie.Trie
)
nodes := light.NewNodeSet()
@ -895,18 +895,18 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
if nodes.DataSize()+auxBytes >= softResponseLimit {
break
}
if tr == nil || req.PPTId != lastPPTId || req.TrieIdx != lastIdx {
if tr == nil || req.HelperTrieType != lastType || req.TrieIdx != lastIdx {
var prefix string
root, prefix = pm.getPPT(req.PPTId, req.TrieIdx)
root, prefix = pm.getHelperTrie(req.HelperTrieType, req.TrieIdx)
if root != (common.Hash{}) {
if t, err := trie.New(root, ethdb.NewTable(pm.chainDb, prefix)); err == nil {
tr = t
}
}
lastPPTId = req.PPTId
lastType = req.HelperTrieType
lastIdx = req.TrieIdx
}
if req.AuxReq == PPTAuxRoot {
if req.AuxReq == auxRoot {
var data []byte
if root != (common.Hash{}) {
data = root[:]
@ -918,7 +918,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
tr.Prove(req.Key, req.FromLevel, nodes)
}
if req.AuxReq != 0 {
data := pm.getPPTAuxData(req)
data := pm.getHelperTrieAuxData(req)
auxData = append(auxData, data)
auxBytes += len(data)
}
@ -927,7 +927,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
proofs := nodes.NodeList()
bv, rcost := p.fcClient.RequestProcessed(costs.baseCost + uint64(reqCnt)*costs.reqCost)
pm.server.fcCostStats.update(msg.Code, uint64(reqCnt), rcost)
return p.SendPPTProofs(req.ReqID, bv, PPTResps{Proofs: proofs, AuxData: auxData})
return p.SendHelperTrieProofs(req.ReqID, bv, HelperTrieResps{Proofs: proofs, AuxData: auxData})
case HeaderProofsMsg:
if pm.odr == nil {
@ -949,15 +949,15 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
Obj: resp.Data,
}
case PPTProofsMsg:
case HelperTrieProofsMsg:
if pm.odr == nil {
return errResp(ErrUnexpectedResponse, "")
}
p.Log().Trace("Received PPT proof response")
p.Log().Trace("Received helper trie proof response")
var resp struct {
ReqID, BV uint64
Data PPTResps
Data HelperTrieResps
}
if err := msg.Decode(&resp); err != nil {
return errResp(ErrDecode, "msg %v: %v", msg, err)
@ -965,7 +965,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
p.fcServer.GotReply(resp.ReqID, resp.BV)
deliverMsg = &Msg{
MsgType: MsgPPTProofs,
MsgType: MsgHelperTrieProofs,
ReqID: resp.ReqID,
Obj: resp.Data,
}
@ -1077,22 +1077,22 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
return nil
}
// getPPT returns the post-processed trie root for the given trie ID and section index
func (pm *ProtocolManager) getPPT(id uint, idx uint64) (common.Hash, string) {
// getHelperTrie returns the post-processed trie root for the given trie ID and section index
func (pm *ProtocolManager) getHelperTrie(id uint, idx uint64) (common.Hash, string) {
switch id {
case PPTChain:
case htCanonical:
sectionHead := core.GetCanonicalHash(pm.chainDb, (idx+1)*light.ChtFrequency-1)
return light.GetChtV2Root(pm.chainDb, idx, sectionHead), light.ChtTablePrefix
case PPTBloomBits:
case htBloomBits:
sectionHead := core.GetCanonicalHash(pm.chainDb, (idx+1)*light.BloomTrieFrequency-1)
return light.GetBloomTrieRoot(pm.chainDb, idx, sectionHead), light.BloomTrieTablePrefix
}
return common.Hash{}, ""
}
// getPPTAuxData returns requested auxiliary data for the given PPT request
func (pm *ProtocolManager) getPPTAuxData(req PPTReq) []byte {
if req.PPTId == PPTChain && req.AuxReq == PPTChainAuxHeader {
// getHelperTrieAuxData returns requested auxiliary data for the given HelperTrie request
func (pm *ProtocolManager) getHelperTrieAuxData(req HelperTrieReq) []byte {
if req.HelperTrieType == htCanonical && req.AuxReq == auxHeader {
if len(req.Key) != 8 {
return nil
}

14
les/odr.go
View file

@ -28,16 +28,16 @@ import (
// LesOdr implements light.OdrBackend
type LesOdr struct {
db ethdb.Database
chtIndexer, bltIndexer, bloomIndexer *core.ChainIndexer
chtIndexer, bloomTrieIndexer, bloomIndexer *core.ChainIndexer
retriever *retrieveManager
stop chan struct{}
}
func NewLesOdr(db ethdb.Database, chtIndexer, bltIndexer, bloomIndexer *core.ChainIndexer, retriever *retrieveManager) *LesOdr {
func NewLesOdr(db ethdb.Database, chtIndexer, bloomTrieIndexer, bloomIndexer *core.ChainIndexer, retriever *retrieveManager) *LesOdr {
return &LesOdr{
db: db,
chtIndexer: chtIndexer,
bltIndexer: bltIndexer,
bloomTrieIndexer: bloomTrieIndexer,
bloomIndexer: bloomIndexer,
retriever: retriever,
stop: make(chan struct{}),
@ -59,9 +59,9 @@ func (odr *LesOdr) ChtIndexer() *core.ChainIndexer {
return odr.chtIndexer
}
// BltIndexer returns the bloom trie chain indexer
func (odr *LesOdr) BltIndexer() *core.ChainIndexer {
return odr.bltIndexer
// BloomTrieIndexer returns the bloom trie chain indexer
func (odr *LesOdr) BloomTrieIndexer() *core.ChainIndexer {
return odr.bloomTrieIndexer
}
// BloomIndexer returns the bloombits chain indexer
@ -76,7 +76,7 @@ const (
MsgProofsV1
MsgProofsV2
MsgHeaderProofs
MsgPPTProofs
MsgHelperTrieProofs
)
// Msg encodes a LES message that delivers reply data for a request

65
les/odr_requests.go
View file

@ -310,21 +310,24 @@ func (r *CodeRequest) Validate(db ethdb.Database, msg *Msg) error {
}
const (
PPTChain = iota
PPTBloomBits
// helper trie type constants
htCanonical = iota // Canonical hash trie
htBloomBits // BloomBits trie
PPTAuxRoot = 1
PPTChainAuxHeader = 2
// applicable for all helper trie requests
auxRoot = 1
// applicable for htCanonical
auxHeader = 2
)
type PPTReq struct {
PPTId uint
type HelperTrieReq struct {
HelperTrieType uint
TrieIdx uint64
Key []byte
FromLevel, AuxReq uint
}
type PPTResps struct { // describes all responses, not just a single one
type HelperTrieResps struct { // describes all responses, not just a single one
Proofs light.NodeList
AuxData [][]byte
}
@ -351,7 +354,7 @@ func (r *ChtRequest) GetCost(peer *peer) uint64 {
case lpv1:
return peer.GetRequestCost(GetHeaderProofsMsg, 1)
case lpv2:
return peer.GetRequestCost(GetPPTProofsMsg, 1)
return peer.GetRequestCost(GetHelperTrieProofsMsg, 1)
default:
panic(nil)
}
@ -362,7 +365,7 @@ func (r *ChtRequest) CanSend(peer *peer) bool {
peer.lock.RLock()
defer peer.lock.RUnlock()
return peer.headInfo.Number >= light.PPTConfirmations && r.ChtNum <= (peer.headInfo.Number-light.PPTConfirmations)/light.ChtFrequency
return peer.headInfo.Number >= light.HelperTrieConfirmations && r.ChtNum <= (peer.headInfo.Number-light.HelperTrieConfirmations)/light.ChtFrequency
}
// Request sends an ODR request to the LES network (implementation of LesOdrRequest)
@ -370,13 +373,13 @@ func (r *ChtRequest) Request(reqID uint64, peer *peer) error {
peer.Log().Debug("Requesting CHT", "cht", r.ChtNum, "block", r.BlockNum)
var encNum [8]byte
binary.BigEndian.PutUint64(encNum[:], r.BlockNum)
req := PPTReq{
PPTId: PPTChain,
TrieIdx: r.ChtNum,
Key: encNum[:],
AuxReq: PPTChainAuxHeader,
req := HelperTrieReq{
HelperTrieType: htCanonical,
TrieIdx: r.ChtNum,
Key: encNum[:],
AuxReq: auxHeader,
}
return peer.RequestPPTProofs(reqID, r.GetCost(peer), []PPTReq{req})
return peer.RequestHelperTrieProofs(reqID, r.GetCost(peer), []HelperTrieReq{req})
}
// Valid processes an ODR request reply message from the LES network
@ -412,8 +415,8 @@ func (r *ChtRequest) Validate(db ethdb.Database, msg *Msg) error {
r.Header = proof.Header
r.Proof = light.NodeList(proof.Proof).NodeSet()
r.Td = node.Td
case MsgPPTProofs:
resp := msg.Obj.(PPTResps)
case MsgHelperTrieProofs:
resp := msg.Obj.(HelperTrieResps)
if len(resp.AuxData) != 1 {
return errInvalidEntryCount
}
@ -461,7 +464,7 @@ func (r *ChtRequest) Validate(db ethdb.Database, msg *Msg) error {
}
type BloomReq struct {
BltNum, BitIdx, SectionIdx, FromLevel uint64
BloomTrieNum, BitIdx, SectionIdx, FromLevel uint64
}
// ODR request type for requesting headers by Canonical Hash Trie, see LesOdrRequest interface
@ -470,7 +473,7 @@ type BloomRequest light.BloomRequest
// GetCost returns the cost of the given ODR request according to the serving
// peer's cost table (implementation of LesOdrRequest)
func (r *BloomRequest) GetCost(peer *peer) uint64 {
return peer.GetRequestCost(GetPPTProofsMsg, len(r.SectionIdxList))
return peer.GetRequestCost(GetHelperTrieProofsMsg, len(r.SectionIdxList))
}
// CanSend tells if a certain peer is suitable for serving the given request
@ -481,39 +484,39 @@ func (r *BloomRequest) CanSend(peer *peer) bool {
if peer.version < lpv2 {
return false
}
return peer.headInfo.Number >= light.PPTConfirmations && r.BltNum <= (peer.headInfo.Number-light.PPTConfirmations)/light.BloomTrieFrequency
return peer.headInfo.Number >= light.HelperTrieConfirmations && r.BloomTrieNum <= (peer.headInfo.Number-light.HelperTrieConfirmations)/light.BloomTrieFrequency
}
// Request sends an ODR request to the LES network (implementation of LesOdrRequest)
func (r *BloomRequest) Request(reqID uint64, peer *peer) error {
peer.Log().Debug("Requesting BloomBits", "blt", r.BltNum, "bitIdx", r.BitIdx, "sections", r.SectionIdxList)
reqs := make([]PPTReq, len(r.SectionIdxList))
peer.Log().Debug("Requesting BloomBits", "bloomTrie", r.BloomTrieNum, "bitIdx", r.BitIdx, "sections", r.SectionIdxList)
reqs := make([]HelperTrieReq, len(r.SectionIdxList))
var encNumber [10]byte
binary.BigEndian.PutUint16(encNumber[0:2], uint16(r.BitIdx))
for i, sectionIdx := range r.SectionIdxList {
binary.BigEndian.PutUint64(encNumber[2:10], sectionIdx)
reqs[i] = PPTReq{
PPTId: PPTBloomBits,
TrieIdx: r.BltNum,
Key: common.CopyBytes(encNumber[:]),
reqs[i] = HelperTrieReq{
HelperTrieType: htBloomBits,
TrieIdx: r.BloomTrieNum,
Key: common.CopyBytes(encNumber[:]),
}
}
return peer.RequestPPTProofs(reqID, r.GetCost(peer), reqs)
return peer.RequestHelperTrieProofs(reqID, r.GetCost(peer), reqs)
}
// Valid processes an ODR request reply message from the LES network
// returns true and stores results in memory if the message was a valid reply
// to the request (implementation of LesOdrRequest)
func (r *BloomRequest) Validate(db ethdb.Database, msg *Msg) error {
log.Debug("Validating BloomBits", "blt", r.BltNum, "bitIdx", r.BitIdx, "sections", r.SectionIdxList)
log.Debug("Validating BloomBits", "bloomTrie", r.BloomTrieNum, "bitIdx", r.BitIdx, "sections", r.SectionIdxList)
// Ensure we have a correct message with a single proof element
if msg.MsgType != MsgPPTProofs {
if msg.MsgType != MsgHelperTrieProofs {
return errInvalidMessageType
}
resps := msg.Obj.(PPTResps)
resps := msg.Obj.(HelperTrieResps)
proofs := resps.Proofs
nodeSet := proofs.NodeSet()
reads := &readTraceDB{db: nodeSet}
@ -526,7 +529,7 @@ func (r *BloomRequest) Validate(db ethdb.Database, msg *Msg) error {
for i, idx := range r.SectionIdxList {
binary.BigEndian.PutUint64(encNumber[2:10], idx)
value, err, _ := trie.VerifyProof(r.BltRoot, encNumber[:], reads)
value, err, _ := trie.VerifyProof(r.BloomTrieRoot, encNumber[:], reads)
if err != nil {
return err
}

18
les/peer.go
View file

@ -227,9 +227,9 @@ func (p *peer) SendHeaderProofs(reqID, bv uint64, proofs []ChtResp) error {
return sendResponse(p.rw, HeaderProofsMsg, reqID, bv, proofs)
}
// SendPPTProofs sends a batch of PPT proofs, corresponding to the ones requested.
func (p *peer) SendPPTProofs(reqID, bv uint64, resp PPTResps) error {
return sendResponse(p.rw, PPTProofsMsg, reqID, bv, resp)
// SendHelperTrieProofs sends a batch of HelperTrie proofs, corresponding to the ones requested.
func (p *peer) SendHelperTrieProofs(reqID, bv uint64, resp HelperTrieResps) error {
return sendResponse(p.rw, HelperTrieProofsMsg, reqID, bv, resp)
}
// SendTxStatus sends a batch of transaction status records, corresponding to the ones requested.
@ -285,23 +285,23 @@ func (p *peer) RequestProofs(reqID, cost uint64, reqs []ProofReq) error {
}
// RequestPPTProofs fetches a batch of PPT merkle proofs from a remote node.
func (p *peer) RequestPPTProofs(reqID, cost uint64, reqs []PPTReq) error {
p.Log().Debug("Fetching batch of PPT proofs", "count", len(reqs))
// RequestHelperTrieProofs fetches a batch of HelperTrie merkle proofs from a remote node.
func (p *peer) RequestHelperTrieProofs(reqID, cost uint64, reqs []HelperTrieReq) error {
p.Log().Debug("Fetching batch of HelperTrie proofs", "count", len(reqs))
switch p.version {
case lpv1:
reqsV1 := make([]ChtReq, len(reqs))
for i, req := range reqs {
if req.PPTId != PPTChain || req.AuxReq != PPTChainAuxHeader || len(req.Key) != 8 {
if req.HelperTrieType != htCanonical || req.AuxReq != auxHeader || len(req.Key) != 8 {
return fmt.Errorf("Request invalid in LES/1 mode")
}
blockNum := binary.BigEndian.Uint64(req.Key)
// convert PPT request to old CHT request
// convert HelperTrie request to old CHT request
reqsV1[i] = ChtReq{ChtNum: (req.TrieIdx+1)*(light.ChtFrequency/light.ChtV1Frequency) - 1, BlockNum: blockNum, FromLevel: req.FromLevel}
}
return sendRequest(p.rw, GetHeaderProofsMsg, reqID, cost, reqsV1)
case lpv2:
return sendRequest(p.rw, GetPPTProofsMsg, reqID, cost, reqs)
return sendRequest(p.rw, GetHelperTrieProofsMsg, reqID, cost, reqs)
default:
panic(nil)
}

14
les/protocol.go
View file

@ -71,13 +71,13 @@ const (
GetHeaderProofsMsg = 0x0d
HeaderProofsMsg = 0x0e
// Protocol messages belonging to LPV2
GetProofsV2Msg = 0x0f
ProofsV2Msg = 0x10
GetPPTProofsMsg = 0x11
PPTProofsMsg = 0x12
SendTxV2Msg = 0x13
GetTxStatusMsg = 0x14
TxStatusMsg = 0x15
GetProofsV2Msg = 0x0f
ProofsV2Msg = 0x10
GetHelperTrieProofsMsg = 0x11
HelperTrieProofsMsg = 0x12
SendTxV2Msg = 0x13
GetTxStatusMsg = 0x14
TxStatusMsg = 0x15
)
type errCode int

28
les/server.go
View file

@ -46,7 +46,7 @@ type LesServer struct {
privateKey *ecdsa.PrivateKey
quitSync chan struct{}
chtIndexer, bltIndexer *core.ChainIndexer
chtIndexer, bloomTrieIndexer *core.ChainIndexer
}
func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
@ -62,11 +62,11 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
}
srv := &LesServer{
protocolManager: pm,
quitSync: quitSync,
lesTopics: lesTopics,
chtIndexer: light.NewChtIndexer(eth.ChainDb(), false),
bltIndexer: light.NewBloomTrieIndexer(eth.ChainDb(), false),
protocolManager: pm,
quitSync: quitSync,
lesTopics: lesTopics,
chtIndexer: light.NewChtIndexer(eth.ChainDb(), false),
bloomTrieIndexer: light.NewBloomTrieIndexer(eth.ChainDb(), false),
}
logger := log.New()
@ -82,12 +82,12 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
logger.Info("CHT", "section", chtLastSection, "sectionHead", fmt.Sprintf("%064x", chtSectionHead), "root", fmt.Sprintf("%064x", chtRoot))
}
bltSectionCount, _, _ := srv.bltIndexer.Sections()
if bltSectionCount != 0 {
bltLastSection := bltSectionCount - 1
bltSectionHead := srv.bltIndexer.SectionHead(bltLastSection)
bltRoot := light.GetBloomTrieRoot(pm.chainDb, bltLastSection, bltSectionHead)
logger.Info("BloomTrie", "section", bltLastSection, "sectionHead", fmt.Sprintf("%064x", bltSectionHead), "root", fmt.Sprintf("%064x", bltRoot))
bloomTrieSectionCount, _, _ := srv.bloomTrieIndexer.Sections()
if bloomTrieSectionCount != 0 {
bloomTrieLastSection := bloomTrieSectionCount - 1
bloomTrieSectionHead := srv.bloomTrieIndexer.SectionHead(bloomTrieLastSection)
bloomTrieRoot := light.GetBloomTrieRoot(pm.chainDb, bloomTrieLastSection, bloomTrieSectionHead)
logger.Info("BloomTrie", "section", bloomTrieLastSection, "sectionHead", fmt.Sprintf("%064x", bloomTrieSectionHead), "root", fmt.Sprintf("%064x", bloomTrieRoot))
}
srv.chtIndexer.Start(eth.BlockChain())
@ -123,8 +123,8 @@ func (s *LesServer) Start(srvr *p2p.Server) {
s.protocolManager.blockLoop()
}
func (s *LesServer) SetBloomBitsIndexer(bbIndexer *core.ChainIndexer) {
bbIndexer.AddChildIndexer(s.bltIndexer)
func (s *LesServer) SetBloomBitsIndexer(bloomIndexer *core.ChainIndexer) {
bloomIndexer.AddChildIndexer(s.bloomTrieIndexer)
}
// Stop stops the LES service

20
light/lightchain.go
View file

@ -95,8 +95,8 @@ func NewLightChain(odr OdrBackend, config *params.ChainConfig, engine consensus.
if bc.genesisBlock == nil {
return nil, core.ErrNoGenesis
}
if ppt, ok := trustedCheckpoints[bc.genesisBlock.Hash()]; ok {
bc.addTrustedCheckpoint(ppt)
if cp, ok := trustedCheckpoints[bc.genesisBlock.Hash()]; ok {
bc.addTrustedCheckpoint(cp)
}
if err := bc.loadLastState(); err != nil {
@ -114,19 +114,19 @@ func NewLightChain(odr OdrBackend, config *params.ChainConfig, engine consensus.
}
// addTrustedCheckpoint adds a trusted checkpoint to the blockchain
func (self *LightChain) addTrustedCheckpoint(ppt trustedCheckpoint) {
func (self *LightChain) addTrustedCheckpoint(cp trustedCheckpoint) {
if self.odr.ChtIndexer() != nil {
StoreChtRoot(self.chainDb, ppt.sectionIdx, ppt.sectionHead, ppt.chtRoot)
self.odr.ChtIndexer().AddKnownSectionHead(ppt.sectionIdx, ppt.sectionHead)
StoreChtRoot(self.chainDb, cp.sectionIdx, cp.sectionHead, cp.chtRoot)
self.odr.ChtIndexer().AddKnownSectionHead(cp.sectionIdx, cp.sectionHead)
}
if self.odr.BltIndexer() != nil {
StoreBloomTrieRoot(self.chainDb, ppt.sectionIdx, ppt.sectionHead, ppt.bltRoot)
self.odr.BltIndexer().AddKnownSectionHead(ppt.sectionIdx, ppt.sectionHead)
if self.odr.BloomTrieIndexer() != nil {
StoreBloomTrieRoot(self.chainDb, cp.sectionIdx, cp.sectionHead, cp.bloomTrieRoot)
self.odr.BloomTrieIndexer().AddKnownSectionHead(cp.sectionIdx, cp.sectionHead)
}
if self.odr.BloomIndexer() != nil {
self.odr.BloomIndexer().AddKnownSectionHead(ppt.sectionIdx, ppt.sectionHead)
self.odr.BloomIndexer().AddKnownSectionHead(cp.sectionIdx, cp.sectionHead)
}
log.Info("Added trusted PPT", "chain name", ppt.name)
log.Info("Added trusted checkpoint", "chain name", cp.name)
}
func (self *LightChain) getProcInterrupt() bool {

6
light/odr.go
View file

@ -36,7 +36,7 @@ var NoOdr = context.Background()
type OdrBackend interface {
Database() ethdb.Database
ChtIndexer() *core.ChainIndexer
BltIndexer() *core.ChainIndexer
BloomTrieIndexer() *core.ChainIndexer
BloomIndexer() *core.ChainIndexer
Retrieve(ctx context.Context, req OdrRequest) error
}
@ -150,10 +150,10 @@ func (req *ChtRequest) StoreResult(db ethdb.Database) {
// BloomRequest is the ODR request type for retrieving bloom filters from a CHT structure
type BloomRequest struct {
OdrRequest
BltNum uint64
BloomTrieNum uint64
BitIdx uint
SectionIdxList []uint64
BltRoot common.Hash
BloomTrieRoot common.Hash
BloomBits [][]byte
Proofs *NodeSet
}

24
light/odr_util.go
View file

@ -150,18 +150,18 @@ func GetBloomBits(ctx context.Context, odr OdrBackend, bitIdx uint, sectionIdxLi
)
var (
bltCount, sectionHeadNum uint64
sectionHead common.Hash
bloomTrieCount, sectionHeadNum uint64
sectionHead common.Hash
)
if odr.BltIndexer() != nil {
bltCount, sectionHeadNum, sectionHead = odr.BltIndexer().Sections()
if odr.BloomTrieIndexer() != nil {
bloomTrieCount, sectionHeadNum, sectionHead = odr.BloomTrieIndexer().Sections()
canonicalHash := core.GetCanonicalHash(db, sectionHeadNum)
// if the BloomTrie was injected as a trusted checkpoint, we have no canonical hash yet so we accept zero hash too
for bltCount > 0 && canonicalHash != sectionHead && canonicalHash != (common.Hash{}) {
bltCount--
if bltCount > 0 {
sectionHeadNum = bltCount*BloomTrieFrequency - 1
sectionHead = odr.BltIndexer().SectionHead(bltCount - 1)
for bloomTrieCount > 0 && canonicalHash != sectionHead && canonicalHash != (common.Hash{}) {
bloomTrieCount--
if bloomTrieCount > 0 {
sectionHeadNum = bloomTrieCount*BloomTrieFrequency - 1
sectionHead = odr.BloomTrieIndexer().SectionHead(bloomTrieCount - 1)
canonicalHash = core.GetCanonicalHash(db, sectionHeadNum)
}
}
@ -176,8 +176,8 @@ func GetBloomBits(ctx context.Context, odr OdrBackend, bitIdx uint, sectionIdxLi
if err == nil {
result[i] = bloomBits
} else {
if sectionIdx >= bltCount {
return nil, ErrNoTrustedBlt
if sectionIdx >= bloomTrieCount {
return nil, ErrNoTrustedBloomTrie
}
reqList = append(reqList, sectionIdx)
reqIdx = append(reqIdx, i)
@ -187,7 +187,7 @@ func GetBloomBits(ctx context.Context, odr OdrBackend, bitIdx uint, sectionIdxLi
return result, nil
}
r := &BloomRequest{BltRoot: GetBloomTrieRoot(db, bltCount-1, sectionHead), BltNum: bltCount - 1, BitIdx: bitIdx, SectionIdxList: reqList}
r := &BloomRequest{BloomTrieRoot: GetBloomTrieRoot(db, bloomTrieCount-1, sectionHead), BloomTrieNum: bloomTrieCount - 1, BitIdx: bitIdx, SectionIdxList: reqList}
if err := odr.Retrieve(ctx, r); err != nil {
return nil, err
} else {

52
light/postprocess.go
View file

@ -35,36 +35,36 @@ import (
)
const (
ChtFrequency = 32768
ChtV1Frequency = 4096 // as long as we want to retain LES/1 compatibility, servers generate CHTs with the old, higher frequency
PPTConfirmations = 2048 // number of confirmations before a server is expected to have the given PPT available
PPTProcessConfirmations = 256 // number of confirmations before a PPT is generated
ChtFrequency = 32768
ChtV1Frequency = 4096 // as long as we want to retain LES/1 compatibility, servers generate CHTs with the old, higher frequency
HelperTrieConfirmations = 2048 // number of confirmations before a server is expected to have the given HelperTrie available
HelperTrieProcessConfirmations = 256 // number of confirmations before a HelperTrie is generated
)
// trustedCheckpoint represents a set of post-processed trie roots (CHT and BloomTrie) associated with
// the appropriate section index and head hash. It is used to start light syncing from this checkpoint
// and avoid downloading the entire header chain while still being able to securely access old headers/logs.
type trustedCheckpoint struct {
name string
sectionIdx uint64
sectionHead, chtRoot, bltRoot common.Hash
name string
sectionIdx uint64
sectionHead, chtRoot, bloomTrieRoot common.Hash
}
var (
mainnetCheckpoint = trustedCheckpoint{
name: "ETH mainnet",
sectionIdx: 129,
sectionHead: common.HexToHash("64100587c8ec9a76870056d07cb0f58622552d16de6253a59cac4b580c899501"),
chtRoot: common.HexToHash("bb4fb4076cbe6923c8a8ce8f158452bbe19564959313466989fda095a60884ca"),
bltRoot: common.HexToHash("0db524b2c4a2a9520a42fd842b02d2e8fb58ff37c75cf57bd0eb82daeace6716"),
name: "ETH mainnet",
sectionIdx: 129,
sectionHead: common.HexToHash("64100587c8ec9a76870056d07cb0f58622552d16de6253a59cac4b580c899501"),
chtRoot: common.HexToHash("bb4fb4076cbe6923c8a8ce8f158452bbe19564959313466989fda095a60884ca"),
bloomTrieRoot: common.HexToHash("0db524b2c4a2a9520a42fd842b02d2e8fb58ff37c75cf57bd0eb82daeace6716"),
}
ropstenCheckpoint = trustedCheckpoint{
name: "Ropsten testnet",
sectionIdx: 50,
sectionHead: common.HexToHash("00bd65923a1aa67f85e6b4ae67835784dd54be165c37f056691723c55bf016bd"),
chtRoot: common.HexToHash("6f56dc61936752cc1f8c84b4addabdbe6a1c19693de3f21cb818362df2117f03"),
bltRoot: common.HexToHash("aca7d7c504d22737242effc3fdc604a762a0af9ced898036b5986c3a15220208"),
name: "Ropsten testnet",
sectionIdx: 50,
sectionHead: common.HexToHash("00bd65923a1aa67f85e6b4ae67835784dd54be165c37f056691723c55bf016bd"),
chtRoot: common.HexToHash("6f56dc61936752cc1f8c84b4addabdbe6a1c19693de3f21cb818362df2117f03"),
bloomTrieRoot: common.HexToHash("aca7d7c504d22737242effc3fdc604a762a0af9ced898036b5986c3a15220208"),
}
)
@ -75,11 +75,11 @@ var trustedCheckpoints = map[common.Hash]trustedCheckpoint{
}
var (
ErrNoTrustedCht = errors.New("No trusted canonical hash trie")
ErrNoTrustedBlt = errors.New("No trusted bloom trie")
ErrNoHeader = errors.New("Header not found")
chtPrefix = []byte("chtRoot-") // chtPrefix + chtNum (uint64 big endian) -> trie root hash
ChtTablePrefix = "cht-"
ErrNoTrustedCht = errors.New("No trusted canonical hash trie")
ErrNoTrustedBloomTrie = errors.New("No trusted bloom trie")
ErrNoHeader = errors.New("Header not found")
chtPrefix = []byte("chtRoot-") // chtPrefix + chtNum (uint64 big endian) -> trie root hash
ChtTablePrefix = "cht-"
)
// ChtNode structures are stored in the Canonical Hash Trie in an RLP encoded format
@ -126,10 +126,10 @@ func NewChtIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer {
var sectionSize, confirmReq uint64
if clientMode {
sectionSize = ChtFrequency
confirmReq = PPTConfirmations
confirmReq = HelperTrieConfirmations
} else {
sectionSize = ChtV1Frequency
confirmReq = PPTProcessConfirmations
confirmReq = HelperTrieProcessConfirmations
}
return core.NewChainIndexer(db, idb, &ChtIndexerBackend{db: db, cdb: cdb, sectionSize: sectionSize}, sectionSize, confirmReq, time.Millisecond*100, "cht")
}
@ -219,10 +219,10 @@ func NewBloomTrieIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer
var confirmReq uint64
if clientMode {
backend.parentSectionSize = BloomTrieFrequency
confirmReq = PPTConfirmations
confirmReq = HelperTrieConfirmations
} else {
backend.parentSectionSize = ethBloomBitsSection
confirmReq = PPTProcessConfirmations
confirmReq = HelperTrieProcessConfirmations
}
backend.bloomTrieRatio = BloomTrieFrequency / backend.parentSectionSize
backend.sectionHeads = make([]common.Hash, backend.bloomTrieRatio)