Merge pull request #14631 from zsfelfoldi/bloombits2

core/bloombits, eth/filter: transformed bloom bitmap based log search

1 files changed, 14 insertions, 5 deletions

diff --git a/eth/backend.go b/eth/backend.go
index 5837c8564..99a1928fe 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -32,6 +32,7 @@ import (
 	"github.com/ethereum/go-ethereum/consensus/clique"
 	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"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/core/vm"
 	"github.com/ethereum/go-ethereum/eth/downloader"
@@ -77,6 +78,9 @@ type Ethereum struct {
 	engine         consensus.Engine
 	accountManager *accounts.Manager
 
+	bloomRequests chan chan *bloombits.Retrieval // Channel receiving bloom data retrieval requests
+	bloomIndexer  *core.ChainIndexer             // Bloom indexer operating during block imports
+
 	ApiBackend *EthApiBackend
 
 	miner     *miner.Miner
@@ -125,11 +129,10 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 		networkId:      config.NetworkId,
 		gasPrice:       config.GasPrice,
 		etherbase:      config.Etherbase,
+		bloomRequests:  make(chan chan *bloombits.Retrieval),
+		bloomIndexer:   NewBloomIndexer(chainDb, params.BloomBitsBlocks),
 	}
 
-	if err := addMipmapBloomBins(chainDb); err != nil {
-		return nil, err
-	}
 	log.Info("Initialising Ethereum protocol", "versions", ProtocolVersions, "network", config.NetworkId)
 
 	if !config.SkipBcVersionCheck {
@@ -151,6 +154,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
 		eth.blockchain.SetHead(compat.RewindTo)
 		core.WriteChainConfig(chainDb, genesisHash, chainConfig)
 	}
+	eth.bloomIndexer.Start(eth.blockchain.CurrentHeader(), eth.blockchain.SubscribeChainEvent)
 
 	if config.TxPool.Journal != "" {
 		config.TxPool.Journal = ctx.ResolvePath(config.TxPool.Journal)
@@ -358,14 +362,17 @@ func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManage
 func (s *Ethereum) Protocols() []p2p.Protocol {
 	if s.lesServer == nil {
 		return s.protocolManager.SubProtocols
-	} else {
-		return append(s.protocolManager.SubProtocols, s.lesServer.Protocols()...)
 	}
+	return append(s.protocolManager.SubProtocols, s.lesServer.Protocols()...)
 }
 
 // Start implements node.Service, starting all internal goroutines needed by the
 // Ethereum protocol implementation.
 func (s *Ethereum) Start(srvr *p2p.Server) error {
+	// Start the bloom bits servicing goroutines
+	s.startBloomHandlers()
+
+	// Start the RPC service
 	s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.NetVersion())
 
 	// Figure out a max peers count based on the server limits
@@ -376,6 +383,7 @@ func (s *Ethereum) Start(srvr *p2p.Server) error {
 			maxPeers = srvr.MaxPeers / 2
 		}
 	}
+	// Start the networking layer and the light server if requested
 	s.protocolManager.Start(maxPeers)
 	if s.lesServer != nil {
 		s.lesServer.Start(srvr)
@@ -389,6 +397,7 @@ func (s *Ethereum) Stop() error {
 	if s.stopDbUpgrade != nil {
 		s.stopDbUpgrade()
 	}
+	s.bloomIndexer.Close()
 	s.blockchain.Stop()
 	s.protocolManager.Stop()
 	if s.lesServer != nil {