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@ -69,6 +69,11 @@ type Config struct { |
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NetworkId int // Network ID to use for selecting peers to connect to
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Genesis string // Genesis JSON to seed the chain database with
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FastSync bool // Enables the state download based fast synchronisation algorithm
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LightMode bool // Running in light client mode
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NoDefSrv bool // No default LES server
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LightServ int // Maximum percentage of time allowed for serving LES requests
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LightPeers int // Maximum number of LES client peers
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MaxPeers int // Maximum number of global peers
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SkipBcVersionCheck bool // e.g. blockchain export
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DatabaseCache int |
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@ -100,6 +105,12 @@ type Config struct { |
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TestGenesisState ethdb.Database // Genesis state to seed the database with (testing only!)
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} |
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type LesServer interface { |
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Start() |
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Stop() |
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Protocols() []p2p.Protocol |
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} |
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// Ethereum implements the Ethereum full node service.
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type Ethereum struct { |
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chainConfig *core.ChainConfig |
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@ -111,6 +122,7 @@ type Ethereum struct { |
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txMu sync.Mutex |
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blockchain *core.BlockChain |
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protocolManager *ProtocolManager |
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lesServer LesServer |
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// DB interfaces
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chainDb ethdb.Database // Block chain database
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@ -119,7 +131,7 @@ type Ethereum struct { |
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httpclient *httpclient.HTTPClient |
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accountManager *accounts.Manager |
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apiBackend *EthApiBackend |
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ApiBackend *EthApiBackend |
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miner *miner.Miner |
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Mining bool |
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@ -135,10 +147,14 @@ type Ethereum struct { |
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netRPCService *ethapi.PublicNetAPI |
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} |
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func (s *Ethereum) AddLesServer(ls LesServer) { |
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s.lesServer = ls |
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} |
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// New creates a new Ethereum object (including the
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// initialisation of the common Ethereum object)
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func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { |
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chainDb, err := createDB(ctx, config) |
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chainDb, err := CreateDB(ctx, config, "chaindata") |
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if err != nil { |
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return nil, err |
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} |
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@ -217,7 +233,18 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { |
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newPool := core.NewTxPool(eth.chainConfig, eth.EventMux(), eth.blockchain.State, eth.blockchain.GasLimit) |
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eth.txPool = newPool |
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if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.FastSync, config.NetworkId, eth.eventMux, eth.txPool, eth.pow, eth.blockchain, chainDb); err != nil { |
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maxPeers := config.MaxPeers |
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if config.LightServ > 0 { |
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// if we are running a light server, limit the number of ETH peers so that we reserve some space for incoming LES connections
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// temporary solution until the new peer connectivity API is finished
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halfPeers := maxPeers / 2 |
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maxPeers -= config.LightPeers |
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if maxPeers < halfPeers { |
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maxPeers = halfPeers |
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} |
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} |
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if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.FastSync, config.NetworkId, maxPeers, eth.eventMux, eth.txPool, eth.pow, eth.blockchain, chainDb); err != nil { |
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return nil, err |
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} |
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eth.miner = miner.New(eth, eth.chainConfig, eth.EventMux(), eth.pow) |
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@ -233,14 +260,14 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { |
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GpobaseCorrectionFactor: config.GpobaseCorrectionFactor, |
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} |
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gpo := gasprice.NewGasPriceOracle(eth.blockchain, chainDb, eth.eventMux, gpoParams) |
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eth.apiBackend = &EthApiBackend{eth, gpo} |
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eth.ApiBackend = &EthApiBackend{eth, gpo} |
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return eth, nil |
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} |
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// createDB creates the chain database.
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func createDB(ctx *node.ServiceContext, config *Config) (ethdb.Database, error) { |
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db, err := ctx.OpenDatabase("chaindata", config.DatabaseCache, config.DatabaseHandles) |
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// CreateDB creates the chain database.
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func CreateDB(ctx *node.ServiceContext, config *Config, name string) (ethdb.Database, error) { |
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db, err := ctx.OpenDatabase(name, config.DatabaseCache, config.DatabaseHandles) |
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if db, ok := db.(*ethdb.LDBDatabase); ok { |
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db.Meter("eth/db/chaindata/") |
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} |
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@ -288,7 +315,7 @@ func CreatePoW(config *Config) (*ethash.Ethash, error) { |
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// APIs returns the collection of RPC services the ethereum package offers.
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// NOTE, some of these services probably need to be moved to somewhere else.
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func (s *Ethereum) APIs() []rpc.API { |
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return append(ethapi.GetAPIs(s.apiBackend, s.solcPath), []rpc.API{ |
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return append(ethapi.GetAPIs(s.ApiBackend, s.solcPath), []rpc.API{ |
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{ |
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Namespace: "eth", |
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Version: "1.0", |
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@ -391,7 +418,11 @@ func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManage |
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// Protocols implements node.Service, returning all the currently configured
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// network protocols to start.
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func (s *Ethereum) Protocols() []p2p.Protocol { |
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if s.lesServer == nil { |
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return s.protocolManager.SubProtocols |
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} else { |
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return append(s.protocolManager.SubProtocols, s.lesServer.Protocols()...) |
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} |
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} |
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// Start implements node.Service, starting all internal goroutines needed by the
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@ -402,6 +433,9 @@ func (s *Ethereum) Start(srvr *p2p.Server) error { |
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s.StartAutoDAG() |
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} |
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s.protocolManager.Start() |
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if s.lesServer != nil { |
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s.lesServer.Start() |
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} |
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return nil |
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} |
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@ -413,6 +447,9 @@ func (s *Ethereum) Stop() error { |
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} |
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s.blockchain.Stop() |
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s.protocolManager.Stop() |
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if s.lesServer != nil { |
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s.lesServer.Stop() |
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} |
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s.txPool.Stop() |
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s.miner.Stop() |
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s.eventMux.Stop() |
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zsfelfoldi
9 years ago
committed by
Felix Lange