diff options
Diffstat (limited to 'eth/backend.go')
| -rw-r--r-- | eth/backend.go | 92 |
1 files changed, 33 insertions, 59 deletions
diff --git a/eth/backend.go b/eth/backend.go index 4dffa2990..7ee591f9e 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -18,14 +18,15 @@ package eth import ( + "errors" "fmt" - "math/big" - "regexp" + "runtime" "sync" "sync/atomic" "github.com/ethereum/go-ethereum/accounts" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/hexutil" "github.com/ethereum/go-ethereum/consensus" "github.com/ethereum/go-ethereum/consensus/clique" "github.com/ethereum/go-ethereum/consensus/ethash" @@ -43,55 +44,10 @@ import ( "github.com/ethereum/go-ethereum/node" "github.com/ethereum/go-ethereum/p2p" "github.com/ethereum/go-ethereum/params" + "github.com/ethereum/go-ethereum/rlp" "github.com/ethereum/go-ethereum/rpc" ) -var ( - datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true} - portInUseErrRE = regexp.MustCompile("address already in use") -) - -type Config struct { - // The genesis block, which is inserted if the database is empty. - // If nil, the Ethereum main net block is used. - Genesis *core.Genesis - - NetworkId int // Network ID to use for selecting peers to connect to - - FastSync bool // Enables the state download based fast synchronisation algorithm - LightMode bool // Running in light client mode - LightServ int // Maximum percentage of time allowed for serving LES requests - LightPeers int // Maximum number of LES client peers - MaxPeers int // Maximum number of global peers - - SkipBcVersionCheck bool // e.g. blockchain export - DatabaseCache int - DatabaseHandles int - - DocRoot string - PowFake bool - PowTest bool - PowShared bool - ExtraData []byte - - EthashCacheDir string - EthashCachesInMem int - EthashCachesOnDisk int - EthashDatasetDir string - EthashDatasetsInMem int - EthashDatasetsOnDisk int - - Etherbase common.Address - GasPrice *big.Int - MinerThreads int - SolcPath string - - GpoBlocks int - GpoPercentile int - - EnablePreimageRecording bool -} - type LesServer interface { Start(srvr *p2p.Server) Stop() @@ -137,6 +93,13 @@ func (s *Ethereum) AddLesServer(ls LesServer) { // New creates a new Ethereum object (including the // initialisation of the common Ethereum object) func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { + if config.SyncMode == downloader.LightSync { + return nil, errors.New("can't run eth.Ethereum in light sync mode, use les.LightEthereum") + } + if !config.SyncMode.IsValid() { + return nil, fmt.Errorf("invalid sync mode %d", config.SyncMode) + } + chainDb, err := CreateDB(ctx, config, "chaindata") if err != nil { return nil, err @@ -201,25 +164,41 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) { } } - if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.FastSync, config.NetworkId, maxPeers, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb); err != nil { + if eth.protocolManager, err = NewProtocolManager(eth.chainConfig, config.SyncMode, config.NetworkId, maxPeers, eth.eventMux, eth.txPool, eth.engine, eth.blockchain, chainDb); err != nil { return nil, err } eth.miner = miner.New(eth, eth.chainConfig, eth.EventMux(), eth.engine) eth.miner.SetGasPrice(config.GasPrice) - eth.miner.SetExtra(config.ExtraData) + eth.miner.SetExtra(makeExtraData(config.ExtraData)) eth.ApiBackend = &EthApiBackend{eth, nil} - gpoParams := gasprice.Config{ - Blocks: config.GpoBlocks, - Percentile: config.GpoPercentile, - Default: config.GasPrice, + gpoParams := config.GPO + if gpoParams.Default == nil { + gpoParams.Default = config.GasPrice } eth.ApiBackend.gpo = gasprice.NewOracle(eth.ApiBackend, gpoParams) return eth, nil } +func makeExtraData(extra []byte) []byte { + if len(extra) == 0 { + // create default extradata + extra, _ = rlp.EncodeToBytes([]interface{}{ + uint(params.VersionMajor<<16 | params.VersionMinor<<8 | params.VersionPatch), + "geth", + runtime.Version(), + runtime.GOOS, + }) + } + if uint64(len(extra)) > params.MaximumExtraDataSize { + log.Warn("Miner extra data exceed limit", "extra", hexutil.Bytes(extra), "limit", params.MaximumExtraDataSize) + extra = nil + } + return extra +} + // CreateDB creates the chain database. func CreateDB(ctx *node.ServiceContext, config *Config, name string) (ethdb.Database, error) { db, err := ctx.OpenDatabase(name, config.DatabaseCache, config.DatabaseHandles) @@ -415,8 +394,3 @@ func (s *Ethereum) Stop() error { return nil } - -// This function will wait for a shutdown and resumes main thread execution -func (s *Ethereum) WaitForShutdown() { - <-s.shutdownChan -} |