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eth, les, light: make indexer configurable

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This commit is contained in:
rjl493456442 2018-07-17 14:31:07 +08:00
parent 526abe2736
commit 8849bc1a85
12 changed files with 77 additions and 84 deletions
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4
eth/backend.go
View file

@ -130,7 +130,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
gasPrice: config.GasPrice,
etherbase: config.Etherbase,
bloomRequests: make(chan chan *bloombits.Retrieval),
bloomIndexer: NewBloomIndexer(chainDb, params.BloomBitsBlocks),
bloomIndexer: NewBloomIndexer(chainDb, params.BloomBitsBlocks, params.BloomConfirms),
}
log.Info("Initialising Ethereum protocol", "versions", ProtocolVersions, "network", config.NetworkId)
@ -385,7 +385,7 @@ func (s *Ethereum) Protocols() []p2p.Protocol {
// Ethereum protocol implementation.
func (s *Ethereum) Start(srvr *p2p.Server) error {
// Start the bloom bits servicing goroutines
s.startBloomHandlers()
s.startBloomHandlers(params.BloomBitsBlocks)
// Start the RPC service
s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.NetVersion())

14
eth/bloombits.go
View file

@ -26,7 +26,6 @@ import (
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/params"
)
const (
@ -49,7 +48,7 @@ const (
// startBloomHandlers starts a batch of goroutines to accept bloom bit database
// retrievals from possibly a range of filters and serving the data to satisfy.
func (eth *Ethereum) startBloomHandlers() {
func (eth *Ethereum) startBloomHandlers(sectionSize uint64) {
for i := 0; i < bloomServiceThreads; i++ {
go func() {
for {
@ -61,9 +60,9 @@ func (eth *Ethereum) startBloomHandlers() {
task := <-request
task.Bitsets = make([][]byte, len(task.Sections))
for i, section := range task.Sections {
head := rawdb.ReadCanonicalHash(eth.chainDb, (section+1)*params.BloomBitsBlocks-1)
head := rawdb.ReadCanonicalHash(eth.chainDb, (section+1)*sectionSize-1)
if compVector, err := rawdb.ReadBloomBits(eth.chainDb, task.Bit, section, head); err == nil {
if blob, err := bitutil.DecompressBytes(compVector, int(params.BloomBitsBlocks)/8); err == nil {
if blob, err := bitutil.DecompressBytes(compVector, int(sectionSize/8)); err == nil {
task.Bitsets[i] = blob
} else {
task.Error = err
@ -80,9 +79,6 @@ func (eth *Ethereum) startBloomHandlers() {
}
const (
// bloomConfirms is the number of confirmation blocks before a bloom section is
// considered probably final and its rotated bits are calculated.
bloomConfirms = 256
// bloomThrottling is the time to wait between processing two consecutive index
// sections. It's useful during chain upgrades to prevent disk overload.
@ -103,14 +99,14 @@ type BloomIndexer struct {
// NewBloomIndexer returns a chain indexer that generates bloom bits data for the
// canonical chain for fast logs filtering.
func NewBloomIndexer(db ethdb.Database, size uint64) *core.ChainIndexer {
func NewBloomIndexer(db ethdb.Database, size, confirms uint64) *core.ChainIndexer {
backend := &BloomIndexer{
db: db,
size: size,
}
table := ethdb.NewTable(db, string(rawdb.BloomBitsIndexPrefix))
return core.NewChainIndexer(db, table, backend, size, bloomConfirms, bloomThrottling, "bloombits")
return core.NewChainIndexer(db, table, backend, size, confirms, bloomThrottling, "bloombits")
}
// Reset implements core.ChainIndexerBackend, starting a new bloombits index

9
les/backend.go
View file

@ -106,9 +106,10 @@ func New(ctx *node.ServiceContext, config *eth.Config) (*LightEthereum, error) {
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),
bloomIndexer: eth.NewBloomIndexer(chainDb, light.BloomTrieFrequency, params.BloomConfirms),
chtIndexer: light.NewChtIndexer(chainDb, light.CHTFrequencyClient, light.HelperTrieConfirmations),
bloomTrieIndexer: light.NewBloomTrieIndexer(chainDb, light.BloomTrieFrequency, params.BloomConfirms,
light.BloomTrieFrequency, light.HelperTrieConfirmations),
}
leth.relay = NewLesTxRelay(peers, leth.reqDist)
@ -222,7 +223,7 @@ func (s *LightEthereum) Protocols() []p2p.Protocol {
// Start implements node.Service, starting all internal goroutines needed by the
// Ethereum protocol implementation.
func (s *LightEthereum) Start(srvr *p2p.Server) error {
s.startBloomHandlers()
s.startBloomHandlers(light.BloomTrieFrequency)
log.Warn("Light client mode is an experimental feature")
s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.networkId)
// clients are searching for the first advertised protocol in the list

4
les/bloombits.go
View file

@ -43,7 +43,7 @@ const (
// startBloomHandlers starts a batch of goroutines to accept bloom bit database
// retrievals from possibly a range of filters and serving the data to satisfy.
func (eth *LightEthereum) startBloomHandlers() {
func (eth *LightEthereum) startBloomHandlers(sectionSize uint64) {
for i := 0; i < bloomServiceThreads; i++ {
go func() {
for {
@ -57,7 +57,7 @@ func (eth *LightEthereum) startBloomHandlers() {
compVectors, err := light.GetBloomBits(task.Context, eth.odr, task.Bit, task.Sections)
if err == nil {
for i := range task.Sections {
if blob, err := bitutil.DecompressBytes(compVectors[i], int(light.BloomTrieFrequency/8)); err == nil {
if blob, err := bitutil.DecompressBytes(compVectors[i], int(sectionSize/8)); err == nil {
task.Bitsets[i] = blob
} else {
task.Error = err

3
les/handler.go
View file

@ -1147,8 +1147,9 @@ func (pm *ProtocolManager) getAccount(statedb *state.StateDB, root, hash common.
func (pm *ProtocolManager) getHelperTrie(id uint, idx uint64) (common.Hash, string) {
switch id {
case htCanonical:
idxV2 := (idx+1)*(light.CHTFrequencyClient/light.CHTFrequencyServer) - 1
sectionHead := rawdb.ReadCanonicalHash(pm.chainDb, (idx+1)*light.CHTFrequencyClient-1)
return light.GetChtV2Root(pm.chainDb, idx, sectionHead), light.ChtTablePrefix
return light.GetChtRoot(pm.chainDb, idxV2, sectionHead), light.ChtTablePrefix
case htBloomBits:
sectionHead := rawdb.ReadCanonicalHash(pm.chainDb, (idx+1)*light.BloomTrieFrequency-1)
return light.GetBloomTrieRoot(pm.chainDb, idx, sectionHead), light.BloomTrieTablePrefix

2
les/handler_test.go
View file

@ -414,7 +414,7 @@ func testGetCHTProofs(t *testing.T, protocol int) {
proofsV1[0].Proof = proof
case 2:
root := light.GetChtV2Root(db, 0, bc.GetHeaderByNumber(frequency-1).Hash())
root := light.GetChtRoot(db, (light.CHTFrequencyClient/light.CHTFrequencyServer)-1, bc.GetHeaderByNumber(frequency-1).Hash())
trie, _ := trie.New(root, trie.NewDatabase(ethdb.NewTable(db, light.ChtTablePrefix)))
trie.Prove(key, 0, &proofsV2.Proofs)
}

7
les/helper_test.go
View file

@ -156,12 +156,13 @@ func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *cor
} else {
blockchain, _ := core.NewBlockChain(db, nil, gspec.Config, engine, vm.Config{})
chtIndexer := light.NewChtIndexer(db, false)
chtIndexer := light.NewChtIndexer(db, light.CHTFrequencyServer, light.HelperTrieProcessConfirmations)
chtIndexer.Start(blockchain)
bbtIndexer := light.NewBloomTrieIndexer(db, false)
bbtIndexer := light.NewBloomTrieIndexer(db, params.BloomBitsBlocks, params.BloomConfirms,
light.BloomTrieFrequency, light.HelperTrieProcessConfirmations)
bloomIndexer := eth.NewBloomIndexer(db, params.BloomBitsBlocks)
bloomIndexer := eth.NewBloomIndexer(db, params.BloomBitsBlocks, params.BloomConfirms)
bloomIndexer.AddChildIndexer(bbtIndexer)
bloomIndexer.Start(blockchain)

4
les/odr_test.go
View file

@ -167,7 +167,9 @@ func testOdr(t *testing.T, protocol int, expFail uint64, fn odrTestFn) {
rm := newRetrieveManager(peers, dist, nil)
db := ethdb.NewMemDatabase()
ldb := ethdb.NewMemDatabase()
odr := NewLesOdr(ldb, light.NewChtIndexer(db, true), light.NewBloomTrieIndexer(db, true), eth.NewBloomIndexer(db, light.BloomTrieFrequency), rm)
odr := NewLesOdr(ldb, light.NewChtIndexer(db, light.CHTFrequencyClient, light.HelperTrieConfirmations),
light.NewBloomTrieIndexer(db, light.BloomTrieFrequency, params.BloomConfirms, light.BloomTrieFrequency, light.HelperTrieConfirmations),
eth.NewBloomIndexer(db, light.BloomTrieFrequency, params.BloomConfirms), rm)
pm := newTestProtocolManagerMust(t, false, 4, testChainGen, nil, nil, db)
lpm := newTestProtocolManagerMust(t, true, 0, nil, peers, odr, ldb)
_, err1, lpeer, err2 := newTestPeerPair("peer", protocol, pm, lpm)

5
les/request_test.go
View file

@ -27,6 +27,7 @@ import (
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/light"
"github.com/ethereum/go-ethereum/params"
)
var testBankSecureTrieKey = secAddr(testBankAddress)
@ -89,7 +90,9 @@ func testAccess(t *testing.T, protocol int, fn accessTestFn) {
rm := newRetrieveManager(peers, dist, nil)
db := ethdb.NewMemDatabase()
ldb := ethdb.NewMemDatabase()
odr := NewLesOdr(ldb, light.NewChtIndexer(db, true), light.NewBloomTrieIndexer(db, true), eth.NewBloomIndexer(db, light.BloomTrieFrequency), rm)
odr := NewLesOdr(ldb, light.NewChtIndexer(db, light.CHTFrequencyClient, light.HelperTrieConfirmations),
light.NewBloomTrieIndexer(db, light.BloomTrieFrequency, params.BloomConfirms, light.BloomTrieFrequency, light.HelperTrieConfirmations),
eth.NewBloomIndexer(db, light.BloomTrieFrequency, params.BloomConfirms), rm)
pm := newTestProtocolManagerMust(t, false, 4, testChainGen, nil, nil, db)
lpm := newTestProtocolManagerMust(t, true, 0, nil, peers, odr, ldb)

8
les/server.go
View file

@ -34,6 +34,7 @@ import (
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/discv5"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
@ -67,8 +68,9 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
protocolManager: pm,
quitSync: quitSync,
lesTopics: lesTopics,
chtIndexer: light.NewChtIndexer(eth.ChainDb(), false),
bloomTrieIndexer: light.NewBloomTrieIndexer(eth.ChainDb(), false),
chtIndexer: light.NewChtIndexer(eth.ChainDb(), light.CHTFrequencyServer, light.HelperTrieProcessConfirmations),
bloomTrieIndexer: light.NewBloomTrieIndexer(eth.ChainDb(), params.BloomBitsBlocks, params.BloomConfirms,
light.BloomTrieFrequency, light.HelperTrieProcessConfirmations),
}
logger := log.New()
@ -80,7 +82,7 @@ func NewLesServer(eth *eth.Ethereum, config *eth.Config) (*LesServer, error) {
// convert last LES/2 section index back to LES/1 index for chtIndexer.SectionHead
chtLastSectionV1 := (chtLastSection+1)*(light.CHTFrequencyClient/light.CHTFrequencyServer) - 1
chtSectionHead := srv.chtIndexer.SectionHead(chtLastSectionV1)
chtRoot := light.GetChtV2Root(pm.chainDb, chtLastSection, chtSectionHead)
chtRoot := light.GetChtRoot(pm.chainDb, chtLastSectionV1, chtSectionHead)
logger.Info("Loaded CHT", "section", chtLastSection, "head", chtSectionHead, "root", chtRoot)
}
bloomTrieSectionCount, _, _ := srv.bloomTrieIndexer.Sections()

55
light/postprocess.go
View file

@ -94,7 +94,7 @@ type ChtNode struct {
Td *big.Int
}
// GetChtRoot reads the CHT root assoctiated to the given section from the database
// GetChtRoot reads the CHT root associated to the given section from the database
// Note that sectionIdx is specified according to LES/1 CHT section size
func GetChtRoot(db ethdb.Database, sectionIdx uint64, sectionHead common.Hash) common.Hash {
var encNumber [8]byte
@ -103,13 +103,7 @@ func GetChtRoot(db ethdb.Database, sectionIdx uint64, sectionHead common.Hash) c
return common.BytesToHash(data)
}
// GetChtV2Root reads the CHT root assoctiated to the given section from the database
// Note that sectionIdx is specified according to LES/2 CHT section size
func GetChtV2Root(db ethdb.Database, sectionIdx uint64, sectionHead common.Hash) common.Hash {
return GetChtRoot(db, (sectionIdx+1)*(CHTFrequencyClient/CHTFrequencyServer)-1, sectionHead)
}
// StoreChtRoot writes the CHT root assoctiated to the given section into the database
// StoreChtRoot writes the CHT root associated to the given section into the database
// Note that sectionIdx is specified according to LES/1 CHT section size
func StoreChtRoot(db ethdb.Database, sectionIdx uint64, sectionHead, root common.Hash) {
var encNumber [8]byte
@ -126,23 +120,15 @@ type ChtIndexerBackend struct {
trie *trie.Trie
}
// NewBloomTrieIndexer creates a BloomTrie chain indexer
func NewChtIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer {
var sectionSize, confirmReq uint64
if clientMode {
sectionSize = CHTFrequencyClient
confirmReq = HelperTrieConfirmations
} else {
sectionSize = CHTFrequencyServer
confirmReq = HelperTrieProcessConfirmations
}
// NewChtIndexer creates a Cht chain indexer
func NewChtIndexer(db ethdb.Database, size, confirms uint64) *core.ChainIndexer {
idb := ethdb.NewTable(db, "chtIndex-")
backend := &ChtIndexerBackend{
diskdb: db,
triedb: trie.NewDatabase(ethdb.NewTable(db, ChtTablePrefix)),
sectionSize: sectionSize,
sectionSize: size,
}
return core.NewChainIndexer(db, idb, backend, sectionSize, confirmReq, time.Millisecond*100, "cht")
return core.NewChainIndexer(db, idb, backend, size, confirms, time.Millisecond*100, "cht")
}
// Reset implements core.ChainIndexerBackend
@ -217,30 +203,27 @@ func StoreBloomTrieRoot(db ethdb.Database, sectionIdx uint64, sectionHead, root
type BloomTrieIndexerBackend struct {
diskdb ethdb.Database
triedb *trie.Database
section, parentSectionSize, bloomTrieRatio uint64
section uint64
parentSize uint64
size uint64
bloomTrieRatio uint64
trie *trie.Trie
sectionHeads []common.Hash
}
// NewBloomTrieIndexer creates a BloomTrie chain indexer
func NewBloomTrieIndexer(db ethdb.Database, clientMode bool) *core.ChainIndexer {
func NewBloomTrieIndexer(db ethdb.Database, parentSize, parentConfirms, size, confirms uint64) *core.ChainIndexer {
backend := &BloomTrieIndexerBackend{
diskdb: db,
triedb: trie.NewDatabase(ethdb.NewTable(db, BloomTrieTablePrefix)),
parentSize: parentSize,
size: size,
}
idb := ethdb.NewTable(db, "bltIndex-")
var confirmReq uint64
if clientMode {
backend.parentSectionSize = BloomTrieFrequency
confirmReq = HelperTrieConfirmations
} else {
backend.parentSectionSize = ethBloomBitsSection
confirmReq = HelperTrieProcessConfirmations
}
backend.bloomTrieRatio = BloomTrieFrequency / backend.parentSectionSize
backend.bloomTrieRatio = size / backend.parentSize
backend.sectionHeads = make([]common.Hash, backend.bloomTrieRatio)
return core.NewChainIndexer(db, idb, backend, BloomTrieFrequency, confirmReq-ethBloomBitsConfirmations, time.Millisecond*100, "bloomtrie")
return core.NewChainIndexer(db, idb, backend, size, confirms-parentConfirms, time.Millisecond*100, "bloomtrie")
}
// Reset implements core.ChainIndexerBackend
@ -257,9 +240,9 @@ func (b *BloomTrieIndexerBackend) Reset(section uint64, lastSectionHead common.H
// Process implements core.ChainIndexerBackend
func (b *BloomTrieIndexerBackend) Process(header *types.Header) {
num := header.Number.Uint64() - b.section*BloomTrieFrequency
if (num+1)%b.parentSectionSize == 0 {
b.sectionHeads[num/b.parentSectionSize] = header.Hash()
num := header.Number.Uint64() - b.section*b.size
if (num+1)%b.parentSize == 0 {
b.sectionHeads[num/b.parentSize] = header.Hash()
}
}
@ -277,7 +260,7 @@ func (b *BloomTrieIndexerBackend) Commit() error {
if err != nil {
return err
}
decompData, err2 := bitutil.DecompressBytes(data, int(b.parentSectionSize/8))
decompData, err2 := bitutil.DecompressBytes(data, int(b.parentSize/8))
if err2 != nil {
return err2
}

4
params/network_params.go
View file

@ -23,4 +23,8 @@ const (
// BloomBitsBlocks is the number of blocks a single bloom bit section vector
// contains.
BloomBitsBlocks uint64 = 4096
// BloomConfirms is the number of confirmation blocks before a bloom section is
// considered probably final and its rotated bits are calculated.
BloomConfirms = 256
)