diff options
Diffstat (limited to 'eth')
-rw-r--r-- | eth/api_backend.go | 27 | ||||
-rw-r--r-- | eth/backend.go | 10 | ||||
-rw-r--r-- | eth/backend_test.go | 74 | ||||
-rw-r--r-- | eth/db_upgrade.go | 70 | ||||
-rw-r--r-- | eth/filters/api.go | 48 | ||||
-rw-r--r-- | eth/filters/bench_test.go | 237 | ||||
-rw-r--r-- | eth/filters/filter.go | 232 | ||||
-rw-r--r-- | eth/filters/filter_system_test.go | 50 | ||||
-rw-r--r-- | eth/filters/filter_test.go | 70 | ||||
-rw-r--r-- | eth/handler.go | 5 |
10 files changed, 534 insertions, 289 deletions
diff --git a/eth/api_backend.go b/eth/api_backend.go index 19ef79f23..fa3cf3f80 100644 --- a/eth/api_backend.go +++ b/eth/api_backend.go @@ -28,6 +28,7 @@ import ( "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/eth/downloader" + "github.com/ethereum/go-ethereum/eth/filters" "github.com/ethereum/go-ethereum/eth/gasprice" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" @@ -194,3 +195,29 @@ func (b *EthApiBackend) EventMux() *event.TypeMux { func (b *EthApiBackend) AccountManager() *accounts.Manager { return b.eth.AccountManager() } + +func (b *EthApiBackend) GetBloomBits(ctx context.Context, bitIdx uint64, sectionIdxList []uint64) ([][]byte, error) { + results := make([][]byte, len(sectionIdxList)) + var err error + for i, sectionIdx := range sectionIdxList { + sectionHead := core.GetCanonicalHash(b.eth.chainDb, (sectionIdx+1)*bloomBitsSection-1) + results[i], err = core.GetBloomBits(b.eth.chainDb, bitIdx, sectionIdx, sectionHead) + if err != nil { + return nil, err + } + } + return results, nil +} + +func (b *EthApiBackend) BloomBitsSections() uint64 { + sections, _, _ := b.eth.bbIndexer.Sections() + return sections +} + +func (b *EthApiBackend) BloomBitsConfig() filters.BloomConfig { + return filters.BloomConfig{ + SectionSize: bloomBitsSection, + MaxRequestLen: 16, + MaxRequestWait: 0, + } +} diff --git a/eth/backend.go b/eth/backend.go index 5837c8564..efc0a2317 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -77,6 +77,8 @@ type Ethereum struct { engine consensus.Engine accountManager *accounts.Manager + bbIndexer *core.ChainIndexer + ApiBackend *EthApiBackend miner *miner.Miner @@ -125,11 +127,9 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { networkId: config.NetworkId, gasPrice: config.GasPrice, etherbase: config.Etherbase, + bbIndexer: NewBloomBitsProcessor(chainDb, bloomBitsSection), } - if err := addMipmapBloomBins(chainDb); err != nil { - return nil, err - } log.Info("Initialising Ethereum protocol", "versions", ProtocolVersions, "network", config.NetworkId) if !config.SkipBcVersionCheck { @@ -151,6 +151,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { eth.blockchain.SetHead(compat.RewindTo) core.WriteChainConfig(chainDb, genesisHash, chainConfig) } + eth.bbIndexer.Start(eth.blockchain) if config.TxPool.Journal != "" { config.TxPool.Journal = ctx.ResolvePath(config.TxPool.Journal) @@ -260,7 +261,7 @@ func (s *Ethereum) APIs() []rpc.API { }, { Namespace: "eth", Version: "1.0", - Service: filters.NewPublicFilterAPI(s.ApiBackend, false), + Service: filters.NewPublicFilterAPI(s.ApiBackend, false, bloomBitsSection), Public: true, }, { Namespace: "admin", @@ -389,6 +390,7 @@ func (s *Ethereum) Stop() error { if s.stopDbUpgrade != nil { s.stopDbUpgrade() } + s.bbIndexer.Close() s.blockchain.Stop() s.protocolManager.Stop() if s.lesServer != nil { diff --git a/eth/backend_test.go b/eth/backend_test.go deleted file mode 100644 index 1fd25e95a..000000000 --- a/eth/backend_test.go +++ /dev/null @@ -1,74 +0,0 @@ -// Copyright 2015 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. - -package eth - -import ( - "math/big" - "testing" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/ethdb" - "github.com/ethereum/go-ethereum/params" -) - -func TestMipmapUpgrade(t *testing.T) { - db, _ := ethdb.NewMemDatabase() - addr := common.BytesToAddress([]byte("jeff")) - genesis := new(core.Genesis).MustCommit(db) - - chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *core.BlockGen) { - switch i { - case 1: - receipt := types.NewReceipt(nil, false, new(big.Int)) - receipt.Logs = []*types.Log{{Address: addr}} - gen.AddUncheckedReceipt(receipt) - case 2: - receipt := types.NewReceipt(nil, false, new(big.Int)) - receipt.Logs = []*types.Log{{Address: addr}} - gen.AddUncheckedReceipt(receipt) - } - }) - for i, block := range chain { - core.WriteBlock(db, block) - if err := core.WriteCanonicalHash(db, block.Hash(), block.NumberU64()); err != nil { - t.Fatalf("failed to insert block number: %v", err) - } - if err := core.WriteHeadBlockHash(db, block.Hash()); err != nil { - t.Fatalf("failed to insert block number: %v", err) - } - if err := core.WriteBlockReceipts(db, block.Hash(), block.NumberU64(), receipts[i]); err != nil { - t.Fatal("error writing block receipts:", err) - } - } - - err := addMipmapBloomBins(db) - if err != nil { - t.Fatal(err) - } - - bloom := core.GetMipmapBloom(db, 1, core.MIPMapLevels[0]) - if (bloom == types.Bloom{}) { - t.Error("got empty bloom filter") - } - - data, _ := db.Get([]byte("setting-mipmap-version")) - if len(data) == 0 { - t.Error("setting-mipmap-version not written to database") - } -} diff --git a/eth/db_upgrade.go b/eth/db_upgrade.go index 90111b2b3..ce8ce699a 100644 --- a/eth/db_upgrade.go +++ b/eth/db_upgrade.go @@ -19,11 +19,13 @@ package eth import ( "bytes" - "fmt" "time" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/bitutil" "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/core/bloombits" + "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/rlp" @@ -135,45 +137,37 @@ func upgradeDeduplicateData(db ethdb.Database) func() error { } } -func addMipmapBloomBins(db ethdb.Database) (err error) { - const mipmapVersion uint = 2 - - // check if the version is set. We ignore data for now since there's - // only one version so we can easily ignore it for now - var data []byte - data, _ = db.Get([]byte("setting-mipmap-version")) - if len(data) > 0 { - var version uint - if err := rlp.DecodeBytes(data, &version); err == nil && version == mipmapVersion { - return nil - } - } +// BloomBitsIndex implements ChainIndex +type BloomBitsIndex struct { + db ethdb.Database + bc *bloombits.BloomBitsCreator + section, sectionSize uint64 + sectionHead common.Hash +} - defer func() { - if err == nil { - var val []byte - val, err = rlp.EncodeToBytes(mipmapVersion) - if err == nil { - err = db.Put([]byte("setting-mipmap-version"), val) - } - return - } - }() - latestHash := core.GetHeadBlockHash(db) - latestBlock := core.GetBlock(db, latestHash, core.GetBlockNumber(db, latestHash)) - if latestBlock == nil { // clean database - return - } +// number of confirmation blocks before a section is considered probably final and its bloom bits are calculated +const bloomBitsConfirmations = 256 - tstart := time.Now() - log.Warn("Upgrading db log bloom bins") - for i := uint64(0); i <= latestBlock.NumberU64(); i++ { - hash := core.GetCanonicalHash(db, i) - if (hash == common.Hash{}) { - return fmt.Errorf("chain db corrupted. Could not find block %d.", i) - } - core.WriteMipmapBloom(db, i, core.GetBlockReceipts(db, hash, i)) +// NewBloomBitsProcessor returns a chain processor that generates bloom bits data for the canonical chain +func NewBloomBitsProcessor(db ethdb.Database, sectionSize uint64) *core.ChainIndexer { + backend := &BloomBitsIndex{db: db, sectionSize: sectionSize} + return core.NewChainIndexer(db, ethdb.NewTable(db, "bbIndex-"), backend, sectionSize, bloomBitsConfirmations, time.Millisecond*100, "bloombits") +} + +func (b *BloomBitsIndex) Reset(section uint64, lastSectionHead common.Hash) { + b.bc = bloombits.NewBloomBitsCreator(b.sectionSize) + b.section = section +} + +func (b *BloomBitsIndex) Process(header *types.Header) { + b.bc.AddHeaderBloom(header.Bloom) + b.sectionHead = header.Hash() +} + +func (b *BloomBitsIndex) Commit() error { + for i := 0; i < bloombits.BloomLength; i++ { + compVector := bitutil.CompressBytes(b.bc.GetBitVector(uint(i))) + core.StoreBloomBits(b.db, uint64(i), b.section, b.sectionHead, compVector) } - log.Info("Bloom-bin upgrade completed", "elapsed", common.PrettyDuration(time.Since(tstart))) return nil } diff --git a/eth/filters/api.go b/eth/filters/api.go index fff58a268..11767753e 100644 --- a/eth/filters/api.go +++ b/eth/filters/api.go @@ -51,24 +51,25 @@ type filter struct { // PublicFilterAPI offers support to create and manage filters. This will allow external clients to retrieve various // information related to the Ethereum protocol such als blocks, transactions and logs. type PublicFilterAPI struct { - backend Backend - useMipMap bool - mux *event.TypeMux - chainDb ethdb.Database - events *EventSystem - filtersMu sync.Mutex - filters map[rpc.ID]*filter + backend Backend + bloomBitsSection uint64 + mux *event.TypeMux + quit chan struct{} + chainDb ethdb.Database + events *EventSystem + filtersMu sync.Mutex + filters map[rpc.ID]*filter } // NewPublicFilterAPI returns a new PublicFilterAPI instance. -func NewPublicFilterAPI(backend Backend, lightMode bool) *PublicFilterAPI { +func NewPublicFilterAPI(backend Backend, lightMode bool, bloomBitsSection uint64) *PublicFilterAPI { api := &PublicFilterAPI{ - backend: backend, - useMipMap: !lightMode, - mux: backend.EventMux(), - chainDb: backend.ChainDb(), - events: NewEventSystem(backend.EventMux(), backend, lightMode), - filters: make(map[rpc.ID]*filter), + backend: backend, + bloomBitsSection: bloomBitsSection, + mux: backend.EventMux(), + chainDb: backend.ChainDb(), + events: NewEventSystem(backend.EventMux(), backend, lightMode), + filters: make(map[rpc.ID]*filter), } go api.timeoutLoop() @@ -332,11 +333,7 @@ func (api *PublicFilterAPI) GetLogs(ctx context.Context, crit FilterCriteria) ([ crit.ToBlock = big.NewInt(rpc.LatestBlockNumber.Int64()) } - filter := New(api.backend, api.useMipMap) - filter.SetBeginBlock(crit.FromBlock.Int64()) - filter.SetEndBlock(crit.ToBlock.Int64()) - filter.SetAddresses(crit.Addresses) - filter.SetTopics(crit.Topics) + filter := New(api.backend, crit.FromBlock.Int64(), crit.ToBlock.Int64(), crit.Addresses, crit.Topics) logs, err := filter.Find(ctx) return returnLogs(logs), err @@ -372,19 +369,18 @@ func (api *PublicFilterAPI) GetFilterLogs(ctx context.Context, id rpc.ID) ([]*ty return nil, fmt.Errorf("filter not found") } - filter := New(api.backend, api.useMipMap) + var begin, end int64 if f.crit.FromBlock != nil { - filter.SetBeginBlock(f.crit.FromBlock.Int64()) + begin = f.crit.FromBlock.Int64() } else { - filter.SetBeginBlock(rpc.LatestBlockNumber.Int64()) + begin = rpc.LatestBlockNumber.Int64() } if f.crit.ToBlock != nil { - filter.SetEndBlock(f.crit.ToBlock.Int64()) + end = f.crit.ToBlock.Int64() } else { - filter.SetEndBlock(rpc.LatestBlockNumber.Int64()) + end = rpc.LatestBlockNumber.Int64() } - filter.SetAddresses(f.crit.Addresses) - filter.SetTopics(f.crit.Topics) + filter := New(api.backend, begin, end, f.crit.Addresses, f.crit.Topics) logs, err := filter.Find(ctx) if err != nil { diff --git a/eth/filters/bench_test.go b/eth/filters/bench_test.go new file mode 100644 index 000000000..2487bc0eb --- /dev/null +++ b/eth/filters/bench_test.go @@ -0,0 +1,237 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. + +package filters + +import ( + "bytes" + "context" + "fmt" + "testing" + "time" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/bitutil" + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/core/bloombits" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/ethdb" + "github.com/ethereum/go-ethereum/event" + "github.com/ethereum/go-ethereum/node" + "github.com/golang/snappy" +) + +func BenchmarkBloomBits512(b *testing.B) { + benchmarkBloomBitsForSize(b, 512) +} + +func BenchmarkBloomBits1k(b *testing.B) { + benchmarkBloomBitsForSize(b, 1024) +} + +func BenchmarkBloomBits2k(b *testing.B) { + benchmarkBloomBitsForSize(b, 2048) +} + +func BenchmarkBloomBits4k(b *testing.B) { + benchmarkBloomBitsForSize(b, 4096) +} + +func BenchmarkBloomBits8k(b *testing.B) { + benchmarkBloomBitsForSize(b, 8192) +} + +func BenchmarkBloomBits16k(b *testing.B) { + benchmarkBloomBitsForSize(b, 16384) +} + +func BenchmarkBloomBits32k(b *testing.B) { + benchmarkBloomBitsForSize(b, 32768) +} + +func benchmarkBloomBitsForSize(b *testing.B, sectionSize uint64) { + benchmarkBloomBits(b, sectionSize, 0) + benchmarkBloomBits(b, sectionSize, 1) + benchmarkBloomBits(b, sectionSize, 2) +} + +const benchFilterCnt = 2000 + +func benchmarkBloomBits(b *testing.B, sectionSize uint64, comp int) { + benchDataDir := node.DefaultDataDir() + "/geth/chaindata" + fmt.Println("Running bloombits benchmark section size:", sectionSize, " compression method:", comp) + + var ( + compressFn func([]byte) []byte + decompressFn func([]byte, int) ([]byte, error) + ) + switch comp { + case 0: + // no compression + compressFn = func(data []byte) []byte { + return data + } + decompressFn = func(data []byte, target int) ([]byte, error) { + if len(data) != target { + panic(nil) + } + return data, nil + } + case 1: + // bitutil/compress.go + compressFn = bitutil.CompressBytes + decompressFn = bitutil.DecompressBytes + case 2: + // go snappy + compressFn = func(data []byte) []byte { + return snappy.Encode(nil, data) + } + decompressFn = func(data []byte, target int) ([]byte, error) { + decomp, err := snappy.Decode(nil, data) + if err != nil || len(decomp) != target { + panic(err) + } + return decomp, nil + } + } + + db, err := ethdb.NewLDBDatabase(benchDataDir, 128, 1024) + if err != nil { + b.Fatalf("error opening database at %v: %v", benchDataDir, err) + } + head := core.GetHeadBlockHash(db) + if head == (common.Hash{}) { + b.Fatalf("chain data not found at %v", benchDataDir) + } + + clearBloomBits(db) + fmt.Println("Generating bloombits data...") + headNum := core.GetBlockNumber(db, head) + if headNum < sectionSize+512 { + b.Fatalf("not enough blocks for running a benchmark") + } + + start := time.Now() + cnt := (headNum - 512) / sectionSize + var dataSize, compSize uint64 + for sectionIdx := uint64(0); sectionIdx < cnt; sectionIdx++ { + bc := bloombits.NewBloomBitsCreator(sectionSize) + var header *types.Header + for i := sectionIdx * sectionSize; i < (sectionIdx+1)*sectionSize; i++ { + hash := core.GetCanonicalHash(db, i) + header = core.GetHeader(db, hash, i) + if header == nil { + b.Fatalf("Error creating bloomBits data") + } + bc.AddHeaderBloom(header.Bloom) + } + sectionHead := core.GetCanonicalHash(db, (sectionIdx+1)*sectionSize-1) + for i := 0; i < bloombits.BloomLength; i++ { + data := bc.GetBitVector(uint(i)) + comp := compressFn(data) + dataSize += uint64(len(data)) + compSize += uint64(len(comp)) + core.StoreBloomBits(db, uint64(i), sectionIdx, sectionHead, comp) + } + //if sectionIdx%50 == 0 { + // fmt.Println(" section", sectionIdx, "/", cnt) + //} + } + + d := time.Since(start) + fmt.Println("Finished generating bloombits data") + fmt.Println(" ", d, "total ", d/time.Duration(cnt*sectionSize), "per block") + fmt.Println(" data size:", dataSize, " compressed size:", compSize, " compression ratio:", float64(compSize)/float64(dataSize)) + + fmt.Println("Running filter benchmarks...") + start = time.Now() + mux := new(event.TypeMux) + var backend *testBackend + + for i := 0; i < benchFilterCnt; i++ { + if i%20 == 0 { + db.Close() + db, _ = ethdb.NewLDBDatabase(benchDataDir, 128, 1024) + backend = &testBackend{mux, db, cnt, new(event.Feed), new(event.Feed), new(event.Feed), new(event.Feed)} + } + var addr common.Address + addr[0] = byte(i) + addr[1] = byte(i / 256) + filter := New(backend, 0, int64(cnt*sectionSize-1), []common.Address{addr}, nil) + filter.decompress = decompressFn + if _, err := filter.Find(context.Background()); err != nil { + b.Error("filter.Find error:", err) + } + } + d = time.Since(start) + fmt.Println("Finished running filter benchmarks") + fmt.Println(" ", d, "total ", d/time.Duration(benchFilterCnt), "per address", d*time.Duration(1000000)/time.Duration(benchFilterCnt*cnt*sectionSize), "per million blocks") + db.Close() +} + +func forEachKey(db ethdb.Database, startPrefix, endPrefix []byte, fn func(key []byte)) { + it := db.(*ethdb.LDBDatabase).NewIterator() + it.Seek(startPrefix) + for it.Valid() { + key := it.Key() + cmpLen := len(key) + if len(endPrefix) < cmpLen { + cmpLen = len(endPrefix) + } + if bytes.Compare(key[:cmpLen], endPrefix) == 1 { + break + } + fn(common.CopyBytes(key)) + it.Next() + } + it.Release() +} + +var bloomBitsPrefix = []byte("bloomBits-") + +func clearBloomBits(db ethdb.Database) { + fmt.Println("Clearing bloombits data...") + forEachKey(db, bloomBitsPrefix, bloomBitsPrefix, func(key []byte) { + db.Delete(key) + }) +} + +func BenchmarkNoBloomBits(b *testing.B) { + benchDataDir := node.DefaultDataDir() + "/geth/chaindata" + fmt.Println("Running benchmark without bloombits") + db, err := ethdb.NewLDBDatabase(benchDataDir, 128, 1024) + if err != nil { + b.Fatalf("error opening database at %v: %v", benchDataDir, err) + } + head := core.GetHeadBlockHash(db) + if head == (common.Hash{}) { + b.Fatalf("chain data not found at %v", benchDataDir) + } + headNum := core.GetBlockNumber(db, head) + + clearBloomBits(db) + + fmt.Println("Running filter benchmarks...") + start := time.Now() + mux := new(event.TypeMux) + backend := &testBackend{mux, db, 0, new(event.Feed), new(event.Feed), new(event.Feed), new(event.Feed)} + filter := New(backend, 0, int64(headNum), []common.Address{common.Address{}}, nil) + filter.Find(context.Background()) + d := time.Since(start) + fmt.Println("Finished running filter benchmarks") + fmt.Println(" ", d, "total ", d*time.Duration(1000000)/time.Duration(headNum+1), "per million blocks") + db.Close() +} diff --git a/eth/filters/filter.go b/eth/filters/filter.go index f848bc6af..ea9ccf2f9 100644 --- a/eth/filters/filter.go +++ b/eth/filters/filter.go @@ -18,11 +18,14 @@ package filters import ( "context" - "math" "math/big" + "sync" + "time" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/bitutil" "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/core/bloombits" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" @@ -34,58 +37,51 @@ type Backend interface { EventMux() *event.TypeMux HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error) GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error) + BloomBitsSections() uint64 + BloomBitsConfig() BloomConfig SubscribeTxPreEvent(chan<- core.TxPreEvent) event.Subscription SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription + GetBloomBits(ctx context.Context, bitIdx uint64, sectionIdxList []uint64) ([][]byte, error) +} + +type BloomConfig struct { + SectionSize uint64 + MaxRequestLen int + MaxRequestWait time.Duration } // Filter can be used to retrieve and filter logs. type Filter struct { - backend Backend - useMipMap bool + backend Backend + bloomBitsConfig BloomConfig db ethdb.Database begin, end int64 addresses []common.Address topics [][]common.Hash + + decompress func([]byte, int) ([]byte, error) + matcher *bloombits.Matcher } // New creates a new filter which uses a bloom filter on blocks to figure out whether // a particular block is interesting or not. -// MipMaps allow past blocks to be searched much more efficiently, but are not available -// to light clients. -func New(backend Backend, useMipMap bool) *Filter { +func New(backend Backend, begin, end int64, addresses []common.Address, topics [][]common.Hash) *Filter { return &Filter{ - backend: backend, - useMipMap: useMipMap, - db: backend.ChainDb(), + backend: backend, + begin: begin, + end: end, + addresses: addresses, + topics: topics, + bloomBitsConfig: backend.BloomBitsConfig(), + db: backend.ChainDb(), + matcher: bloombits.NewMatcher(backend.BloomBitsConfig().SectionSize, addresses, topics), + decompress: bitutil.DecompressBytes, } } -// SetBeginBlock sets the earliest block for filtering. -// -1 = latest block (i.e., the current block) -// hash = particular hash from-to -func (f *Filter) SetBeginBlock(begin int64) { - f.begin = begin -} - -// SetEndBlock sets the latest block for filtering. -func (f *Filter) SetEndBlock(end int64) { - f.end = end -} - -// SetAddresses matches only logs that are generated from addresses that are included -// in the given addresses. -func (f *Filter) SetAddresses(addr []common.Address) { - f.addresses = addr -} - -// SetTopics matches only logs that have topics matching the given topics. -func (f *Filter) SetTopics(topics [][]common.Hash) { - f.topics = topics -} - // FindOnce searches the blockchain for matching log entries, returning // all matching entries from the first block that contains matches, // updating the start point of the filter accordingly. If no results are @@ -106,18 +102,9 @@ func (f *Filter) FindOnce(ctx context.Context) ([]*types.Log, error) { endBlockNo = headBlockNumber } - // if no addresses are present we can't make use of fast search which - // uses the mipmap bloom filters to check for fast inclusion and uses - // higher range probability in order to ensure at least a false positive - if !f.useMipMap || len(f.addresses) == 0 { - logs, blockNumber, err := f.getLogs(ctx, beginBlockNo, endBlockNo) - f.begin = int64(blockNumber + 1) - return logs, err - } - - logs, blockNumber := f.mipFind(beginBlockNo, endBlockNo, 0) + logs, blockNumber, err := f.getLogs(ctx, beginBlockNo, endBlockNo) f.begin = int64(blockNumber + 1) - return logs, nil + return logs, err } // Run filters logs with the current parameters set @@ -131,43 +118,134 @@ func (f *Filter) Find(ctx context.Context) (logs []*types.Log, err error) { } } -func (f *Filter) mipFind(start, end uint64, depth int) (logs []*types.Log, blockNumber uint64) { - level := core.MIPMapLevels[depth] - // normalise numerator so we can work in level specific batches and - // work with the proper range checks - for num := start / level * level; num <= end; num += level { - // find addresses in bloom filters - bloom := core.GetMipmapBloom(f.db, num, level) - // Don't bother checking the first time through the loop - we're probably picking - // up where a previous run left off. - first := true - for _, addr := range f.addresses { - if first || bloom.TestBytes(addr[:]) { - first = false - // range check normalised values and make sure that - // we're resolving the correct range instead of the - // normalised values. - start := uint64(math.Max(float64(num), float64(start))) - end := uint64(math.Min(float64(num+level-1), float64(end))) - if depth+1 == len(core.MIPMapLevels) { - l, blockNumber, _ := f.getLogs(context.Background(), start, end) - if len(l) > 0 { - return l, blockNumber +// nextRequest returns the next request to retrieve for the bloombits matcher +func (f *Filter) nextRequest() (bloombits uint, sections []uint64) { + bloomIndex, ok := f.matcher.AllocSectionQueue() + if !ok { + return 0, nil + } + if f.bloomBitsConfig.MaxRequestWait > 0 && + (f.bloomBitsConfig.MaxRequestLen <= 1 || // SectionCount is always greater than zero after a successful alloc + f.matcher.SectionCount(bloomIndex) < f.bloomBitsConfig.MaxRequestLen) { + time.Sleep(f.bloomBitsConfig.MaxRequestWait) + } + return bloomIndex, f.matcher.FetchSections(bloomIndex, f.bloomBitsConfig.MaxRequestLen) +} + +// serveMatcher serves the bloombits matcher by fetching the requested vectors +// through the filter backend +func (f *Filter) serveMatcher(ctx context.Context, stop chan struct{}, wg *sync.WaitGroup) chan error { + errChn := make(chan error, 1) + wg.Add(10) + for i := 0; i < 10; i++ { + go func(i int) { + defer wg.Done() + + for { + b, s := f.nextRequest() + if s == nil { + return + } + data, err := f.backend.GetBloomBits(ctx, uint64(b), s) + if err != nil { + select { + case errChn <- err: + case <-stop: } - } else { - l, blockNumber := f.mipFind(start, end, depth+1) - if len(l) > 0 { - return l, blockNumber + return + } + decomp := make([][]byte, len(data)) + for i, d := range data { + var err error + if decomp[i], err = f.decompress(d, int(f.bloomBitsConfig.SectionSize/8)); err != nil { + select { + case errChn <- err: + case <-stop: + } + return } } + f.matcher.Deliver(b, s, decomp) } - } + }(i) } - return nil, end + return errChn +} + +// checkMatches checks if the receipts belonging to the given header contain any log events that +// match the filter criteria. This function is called when the bloom filter signals a potential match. +func (f *Filter) checkMatches(ctx context.Context, header *types.Header) (logs []*types.Log, err error) { + // Get the logs of the block + receipts, err := f.backend.GetReceipts(ctx, header.Hash()) + if err != nil { + return nil, err + } + var unfiltered []*types.Log + for _, receipt := range receipts { + unfiltered = append(unfiltered, ([]*types.Log)(receipt.Logs)...) + } + logs = filterLogs(unfiltered, nil, nil, f.addresses, f.topics) + if len(logs) > 0 { + return logs, nil + } + return nil, nil } func (f *Filter) getLogs(ctx context.Context, start, end uint64) (logs []*types.Log, blockNumber uint64, err error) { + haveBloomBitsBefore := f.backend.BloomBitsSections() * f.bloomBitsConfig.SectionSize + if haveBloomBitsBefore > start { + e := end + if haveBloomBitsBefore <= e { + e = haveBloomBitsBefore - 1 + } + + stop := make(chan struct{}) + var wg sync.WaitGroup + matches := f.matcher.Start(start, e) + errChn := f.serveMatcher(ctx, stop, &wg) + + defer func() { + f.matcher.Stop() + close(stop) + wg.Wait() + }() + + loop: + for { + select { + case i, ok := <-matches: + if !ok { + break loop + } + + blockNumber := rpc.BlockNumber(i) + header, err := f.backend.HeaderByNumber(ctx, blockNumber) + if header == nil || err != nil { + return logs, end, err + } + + logs, err := f.checkMatches(ctx, header) + if err != nil { + return nil, end, err + } + if logs != nil { + return logs, i, nil + } + case err := <-errChn: + return logs, end, err + case <-ctx.Done(): + return nil, end, ctx.Err() + } + } + + if end < haveBloomBitsBefore { + return logs, end, nil + } + start = haveBloomBitsBefore + } + + // search the rest with regular block-by-block bloom filtering for i := start; i <= end; i++ { blockNumber := rpc.BlockNumber(i) header, err := f.backend.HeaderByNumber(ctx, blockNumber) @@ -178,18 +256,12 @@ func (f *Filter) getLogs(ctx context.Context, start, end uint64) (logs []*types. // Use bloom filtering to see if this block is interesting given the // current parameters if f.bloomFilter(header.Bloom) { - // Get the logs of the block - receipts, err := f.backend.GetReceipts(ctx, header.Hash()) + logs, err := f.checkMatches(ctx, header) if err != nil { return nil, end, err } - var unfiltered []*types.Log - for _, receipt := range receipts { - unfiltered = append(unfiltered, ([]*types.Log)(receipt.Logs)...) - } - logs = filterLogs(unfiltered, nil, nil, f.addresses, f.topics) - if len(logs) > 0 { - return logs, uint64(blockNumber), nil + if logs != nil { + return logs, i, nil } } } diff --git a/eth/filters/filter_system_test.go b/eth/filters/filter_system_test.go index fcc888b8c..140fad555 100644 --- a/eth/filters/filter_system_test.go +++ b/eth/filters/filter_system_test.go @@ -36,6 +36,7 @@ import ( type testBackend struct { mux *event.TypeMux db ethdb.Database + sections uint64 txFeed *event.Feed rmLogsFeed *event.Feed logsFeed *event.Feed @@ -84,6 +85,31 @@ func (b *testBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subsc return b.chainFeed.Subscribe(ch) } +func (b *testBackend) GetBloomBits(ctx context.Context, bitIdx uint64, sectionIdxList []uint64) ([][]byte, error) { + results := make([][]byte, len(sectionIdxList)) + var err error + for i, sectionIdx := range sectionIdxList { + sectionHead := core.GetCanonicalHash(b.db, (sectionIdx+1)*testBloomBitsSection-1) + results[i], err = core.GetBloomBits(b.db, bitIdx, sectionIdx, sectionHead) + if err != nil { + return nil, err + } + } + return results, nil +} + +func (b *testBackend) BloomBitsSections() uint64 { + return b.sections +} + +func (b *testBackend) BloomBitsConfig() BloomConfig { + return BloomConfig{ + SectionSize: testBloomBitsSection, + MaxRequestLen: 16, + MaxRequestWait: 0, + } +} + // TestBlockSubscription tests if a block subscription returns block hashes for posted chain events. // It creates multiple subscriptions: // - one at the start and should receive all posted chain events and a second (blockHashes) @@ -99,8 +125,8 @@ func TestBlockSubscription(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} - api = NewPublicFilterAPI(backend, false) + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} + api = NewPublicFilterAPI(backend, false, 0) genesis = new(core.Genesis).MustCommit(db) chain, _ = core.GenerateChain(params.TestChainConfig, genesis, db, 10, func(i int, gen *core.BlockGen) {}) chainEvents = []core.ChainEvent{} @@ -156,8 +182,8 @@ func TestPendingTxFilter(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} - api = NewPublicFilterAPI(backend, false) + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} + api = NewPublicFilterAPI(backend, false, 0) transactions = []*types.Transaction{ types.NewTransaction(0, common.HexToAddress("0xb794f5ea0ba39494ce83a213fffba74279579268"), new(big.Int), new(big.Int), new(big.Int), nil), @@ -219,8 +245,8 @@ func TestLogFilterCreation(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} - api = NewPublicFilterAPI(backend, false) + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} + api = NewPublicFilterAPI(backend, false, 0) testCases = []struct { crit FilterCriteria @@ -268,8 +294,8 @@ func TestInvalidLogFilterCreation(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} - api = NewPublicFilterAPI(backend, false) + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} + api = NewPublicFilterAPI(backend, false, 0) ) // different situations where log filter creation should fail. @@ -298,8 +324,8 @@ func TestLogFilter(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} - api = NewPublicFilterAPI(backend, false) + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} + api = NewPublicFilterAPI(backend, false, 0) firstAddr = common.HexToAddress("0x1111111111111111111111111111111111111111") secondAddr = common.HexToAddress("0x2222222222222222222222222222222222222222") @@ -415,8 +441,8 @@ func TestPendingLogsSubscription(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} - api = NewPublicFilterAPI(backend, false) + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} + api = NewPublicFilterAPI(backend, false, 0) firstAddr = common.HexToAddress("0x1111111111111111111111111111111111111111") secondAddr = common.HexToAddress("0x2222222222222222222222222222222222222222") diff --git a/eth/filters/filter_test.go b/eth/filters/filter_test.go index cf508a218..f1c6481d7 100644 --- a/eth/filters/filter_test.go +++ b/eth/filters/filter_test.go @@ -32,6 +32,8 @@ import ( "github.com/ethereum/go-ethereum/params" ) +const testBloomBitsSection = 4096 + func makeReceipt(addr common.Address) *types.Receipt { receipt := types.NewReceipt(nil, false, new(big.Int)) receipt.Logs = []*types.Log{ @@ -41,8 +43,8 @@ func makeReceipt(addr common.Address) *types.Receipt { return receipt } -func BenchmarkMipmaps(b *testing.B) { - dir, err := ioutil.TempDir("", "mipmap") +func BenchmarkFilters(b *testing.B) { + dir, err := ioutil.TempDir("", "filtertest") if err != nil { b.Fatal(err) } @@ -55,7 +57,7 @@ func BenchmarkMipmaps(b *testing.B) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") addr1 = crypto.PubkeyToAddress(key1.PublicKey) addr2 = common.BytesToAddress([]byte("jeff")) @@ -66,27 +68,21 @@ func BenchmarkMipmaps(b *testing.B) { genesis := core.GenesisBlockForTesting(db, addr1, big.NewInt(1000000)) chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 100010, func(i int, gen *core.BlockGen) { - var receipts types.Receipts switch i { case 2403: receipt := makeReceipt(addr1) - receipts = types.Receipts{receipt} gen.AddUncheckedReceipt(receipt) case 1034: receipt := makeReceipt(addr2) - receipts = types.Receipts{receipt} gen.AddUncheckedReceipt(receipt) case 34: receipt := makeReceipt(addr3) - receipts = types.Receipts{receipt} gen.AddUncheckedReceipt(receipt) case 99999: receipt := makeReceipt(addr4) - receipts = types.Receipts{receipt} gen.AddUncheckedReceipt(receipt) } - core.WriteMipmapBloom(db, uint64(i+1), receipts) }) for i, block := range chain { core.WriteBlock(db, block) @@ -102,10 +98,7 @@ func BenchmarkMipmaps(b *testing.B) { } b.ResetTimer() - filter := New(backend, true) - filter.SetAddresses([]common.Address{addr1, addr2, addr3, addr4}) - filter.SetBeginBlock(0) - filter.SetEndBlock(-1) + filter := New(backend, 0, -1, []common.Address{addr1, addr2, addr3, addr4}, nil) for i := 0; i < b.N; i++ { logs, _ := filter.Find(context.Background()) @@ -116,7 +109,7 @@ func BenchmarkMipmaps(b *testing.B) { } func TestFilters(t *testing.T) { - dir, err := ioutil.TempDir("", "mipmap") + dir, err := ioutil.TempDir("", "filtertest") if err != nil { t.Fatal(err) } @@ -129,7 +122,7 @@ func TestFilters(t *testing.T) { rmLogsFeed = new(event.Feed) logsFeed = new(event.Feed) chainFeed = new(event.Feed) - backend = &testBackend{mux, db, txFeed, rmLogsFeed, logsFeed, chainFeed} + backend = &testBackend{mux, db, 0, txFeed, rmLogsFeed, logsFeed, chainFeed} key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") addr = crypto.PubkeyToAddress(key1.PublicKey) @@ -142,7 +135,6 @@ func TestFilters(t *testing.T) { genesis := core.GenesisBlockForTesting(db, addr, big.NewInt(1000000)) chain, receipts := core.GenerateChain(params.TestChainConfig, genesis, db, 1000, func(i int, gen *core.BlockGen) { - var receipts types.Receipts switch i { case 1: receipt := types.NewReceipt(nil, false, new(big.Int)) @@ -153,7 +145,6 @@ func TestFilters(t *testing.T) { }, } gen.AddUncheckedReceipt(receipt) - receipts = types.Receipts{receipt} case 2: receipt := types.NewReceipt(nil, false, new(big.Int)) receipt.Logs = []*types.Log{ @@ -163,7 +154,6 @@ func TestFilters(t *testing.T) { }, } gen.AddUncheckedReceipt(receipt) - receipts = types.Receipts{receipt} case 998: receipt := types.NewReceipt(nil, false, new(big.Int)) receipt.Logs = []*types.Log{ @@ -173,7 +163,6 @@ func TestFilters(t *testing.T) { }, } gen.AddUncheckedReceipt(receipt) - receipts = types.Receipts{receipt} case 999: receipt := types.NewReceipt(nil, false, new(big.Int)) receipt.Logs = []*types.Log{ @@ -183,12 +172,7 @@ func TestFilters(t *testing.T) { }, } gen.AddUncheckedReceipt(receipt) - receipts = types.Receipts{receipt} } - // i is used as block number for the writes but since the i - // starts at 0 and block 0 (genesis) is already present increment - // by one - core.WriteMipmapBloom(db, uint64(i+1), receipts) }) for i, block := range chain { core.WriteBlock(db, block) @@ -203,22 +187,14 @@ func TestFilters(t *testing.T) { } } - filter := New(backend, true) - filter.SetAddresses([]common.Address{addr}) - filter.SetTopics([][]common.Hash{{hash1, hash2, hash3, hash4}}) - filter.SetBeginBlock(0) - filter.SetEndBlock(-1) + filter := New(backend, 0, -1, []common.Address{addr}, [][]common.Hash{{hash1, hash2, hash3, hash4}}) logs, _ := filter.Find(context.Background()) if len(logs) != 4 { t.Error("expected 4 log, got", len(logs)) } - filter = New(backend, true) - filter.SetAddresses([]common.Address{addr}) - filter.SetTopics([][]common.Hash{{hash3}}) - filter.SetBeginBlock(900) - filter.SetEndBlock(999) + filter = New(backend, 900, 999, []common.Address{addr}, [][]common.Hash{{hash3}}) logs, _ = filter.Find(context.Background()) if len(logs) != 1 { t.Error("expected 1 log, got", len(logs)) @@ -227,11 +203,7 @@ func TestFilters(t *testing.T) { t.Errorf("expected log[0].Topics[0] to be %x, got %x", hash3, logs[0].Topics[0]) } - filter = New(backend, true) - filter.SetAddresses([]common.Address{addr}) - filter.SetTopics([][]common.Hash{{hash3}}) - filter.SetBeginBlock(990) - filter.SetEndBlock(-1) + filter = New(backend, 990, -1, []common.Address{addr}, [][]common.Hash{{hash3}}) logs, _ = filter.Find(context.Background()) if len(logs) != 1 { t.Error("expected 1 log, got", len(logs)) @@ -240,10 +212,7 @@ func TestFilters(t *testing.T) { t.Errorf("expected log[0].Topics[0] to be %x, got %x", hash3, logs[0].Topics[0]) } - filter = New(backend, true) - filter.SetTopics([][]common.Hash{{hash1, hash2}}) - filter.SetBeginBlock(1) - filter.SetEndBlock(10) + filter = New(backend, 1, 10, nil, [][]common.Hash{{hash1, hash2}}) logs, _ = filter.Find(context.Background()) if len(logs) != 2 { @@ -251,10 +220,7 @@ func TestFilters(t *testing.T) { } failHash := common.BytesToHash([]byte("fail")) - filter = New(backend, true) - filter.SetTopics([][]common.Hash{{failHash}}) - filter.SetBeginBlock(0) - filter.SetEndBlock(-1) + filter = New(backend, 0, -1, nil, [][]common.Hash{{failHash}}) logs, _ = filter.Find(context.Background()) if len(logs) != 0 { @@ -262,20 +228,14 @@ func TestFilters(t *testing.T) { } failAddr := common.BytesToAddress([]byte("failmenow")) - filter = New(backend, true) - filter.SetAddresses([]common.Address{failAddr}) - filter.SetBeginBlock(0) - filter.SetEndBlock(-1) + filter = New(backend, 0, -1, []common.Address{failAddr}, nil) logs, _ = filter.Find(context.Background()) if len(logs) != 0 { t.Error("expected 0 log, got", len(logs)) } - filter = New(backend, true) - filter.SetTopics([][]common.Hash{{failHash}, {hash1}}) - filter.SetBeginBlock(0) - filter.SetEndBlock(-1) + filter = New(backend, 0, -1, nil, [][]common.Hash{{failHash}, {hash1}}) logs, _ = filter.Find(context.Background()) if len(logs) != 0 { diff --git a/eth/handler.go b/eth/handler.go index 28ae208c0..aadd771df 100644 --- a/eth/handler.go +++ b/eth/handler.go @@ -49,6 +49,8 @@ const ( // txChanSize is the size of channel listening to TxPreEvent. // The number is referenced from the size of tx pool. txChanSize = 4096 + + bloomBitsSection = 4096 ) var ( @@ -92,6 +94,8 @@ type ProtocolManager struct { quitSync chan struct{} noMorePeers chan struct{} + lesServer LesServer + // wait group is used for graceful shutdowns during downloading // and processing wg sync.WaitGroup @@ -114,6 +118,7 @@ func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, ne txsyncCh: make(chan *txsync), quitSync: make(chan struct{}), } + // Figure out whether to allow fast sync or not if mode == downloader.FastSync && blockchain.CurrentBlock().NumberU64() > 0 { log.Warn("Blockchain not empty, fast sync disabled") |