Example #1
0
// upgradeChainDatabase ensures that the chain database stores block split into
// separate header and body entries.
func upgradeChainDatabase(db ethdb.Database) error {
	// Short circuit if the head block is stored already as separate header and body
	data, err := db.Get([]byte("LastBlock"))
	if err != nil {
		return nil
	}
	head := common.BytesToHash(data)

	if block := core.GetBlockByHashOld(db, head); block == nil {
		return nil
	}
	// At least some of the database is still the old format, upgrade (skip the head block!)
	glog.V(logger.Info).Info("Old database detected, upgrading...")

	if db, ok := db.(*ethdb.LDBDatabase); ok {
		blockPrefix := []byte("block-hash-")
		for it := db.NewIterator(); it.Next(); {
			// Skip anything other than a combined block
			if !bytes.HasPrefix(it.Key(), blockPrefix) {
				continue
			}
			// Skip the head block (merge last to signal upgrade completion)
			if bytes.HasSuffix(it.Key(), head.Bytes()) {
				continue
			}
			// Load the block, split and serialize (order!)
			block := core.GetBlockByHashOld(db, common.BytesToHash(bytes.TrimPrefix(it.Key(), blockPrefix)))

			if err := core.WriteTd(db, block.Hash(), block.DeprecatedTd()); err != nil {
				return err
			}
			if err := core.WriteBody(db, block.Hash(), &types.Body{block.Transactions(), block.Uncles()}); err != nil {
				return err
			}
			if err := core.WriteHeader(db, block.Header()); err != nil {
				return err
			}
			if err := db.Delete(it.Key()); err != nil {
				return err
			}
		}
		// Lastly, upgrade the head block, disabling the upgrade mechanism
		current := core.GetBlockByHashOld(db, head)

		if err := core.WriteTd(db, current.Hash(), current.DeprecatedTd()); err != nil {
			return err
		}
		if err := core.WriteBody(db, current.Hash(), &types.Body{current.Transactions(), current.Uncles()}); err != nil {
			return err
		}
		if err := core.WriteHeader(db, current.Header()); err != nil {
			return err
		}
	}
	return nil
}
func runBlockTest(homesteadBlock, daoForkBlock *big.Int, test *BlockTest) error {
	// import pre accounts & construct test genesis block & state root
	db, _ := ethdb.NewMemDatabase()
	if _, err := test.InsertPreState(db); err != nil {
		return fmt.Errorf("InsertPreState: %v", err)
	}

	core.WriteTd(db, test.Genesis.Hash(), test.Genesis.Difficulty())
	core.WriteBlock(db, test.Genesis)
	core.WriteCanonicalHash(db, test.Genesis.Hash(), test.Genesis.NumberU64())
	core.WriteHeadBlockHash(db, test.Genesis.Hash())
	evmux := new(event.TypeMux)
	config := &core.ChainConfig{HomesteadBlock: homesteadBlock, DAOForkBlock: daoForkBlock, DAOForkSupport: true}
	chain, err := core.NewBlockChain(db, config, ethash.NewShared(), evmux)
	if err != nil {
		return err
	}

	//vm.Debug = true
	validBlocks, err := test.TryBlocksInsert(chain)
	if err != nil {
		return err
	}

	lastblockhash := common.HexToHash(test.lastblockhash)
	cmlast := chain.LastBlockHash()
	if lastblockhash != cmlast {
		return fmt.Errorf("lastblockhash validation mismatch: want: %x, have: %x", lastblockhash, cmlast)
	}

	newDB, err := chain.State()
	if err != nil {
		return err
	}
	if err = test.ValidatePostState(newDB); err != nil {
		return fmt.Errorf("post state validation failed: %v", err)
	}

	return test.ValidateImportedHeaders(chain, validBlocks)
}
Example #3
0
func New(config *Config) (*Expanse, error) {
	logger.New(config.DataDir, config.LogFile, config.Verbosity)

	// Let the database take 3/4 of the max open files (TODO figure out a way to get the actual limit of the open files)
	const dbCount = 3
	ethdb.OpenFileLimit = 128 / (dbCount + 1)

	newdb := config.NewDB
	if newdb == nil {
		newdb = func(path string) (ethdb.Database, error) { return ethdb.NewLDBDatabase(path, config.DatabaseCache) }
	}

	// Open the chain database and perform any upgrades needed
	chainDb, err := newdb(filepath.Join(config.DataDir, "chaindata"))
	if err != nil {
		if errno, ok := err.(syscall.Errno); ok && datadirInUseErrnos[uint(errno)] {
			err = fmt.Errorf("%v (check if another instance of geth is already running with the same data directory '%s')", err, config.DataDir)
		}
		return nil, fmt.Errorf("blockchain db err: %v", err)
	}
	if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
		db.Meter("eth/db/chaindata/")
	}
	if err := upgradeChainDatabase(chainDb); err != nil {
		return nil, err
	}
	if err := addMipmapBloomBins(chainDb); err != nil {
		return nil, err
	}

	dappDb, err := newdb(filepath.Join(config.DataDir, "dapp"))
	if err != nil {
		if errno, ok := err.(syscall.Errno); ok && datadirInUseErrnos[uint(errno)] {
			err = fmt.Errorf("%v (check if another instance of geth is already running with the same data directory '%s')", err, config.DataDir)
		}
		return nil, fmt.Errorf("dapp db err: %v", err)
	}
	if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
		db.Meter("eth/db/dapp/")
	}

	nodeDb := filepath.Join(config.DataDir, "nodes")
	glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)

	if len(config.GenesisFile) > 0 {
		fr, err := os.Open(config.GenesisFile)
		if err != nil {
			return nil, err
		}

		block, err := core.WriteGenesisBlock(chainDb, fr)
		if err != nil {
			return nil, err
		}
		glog.V(logger.Info).Infof("Successfully wrote genesis block. New genesis hash = %x\n", block.Hash())
	}

	// different modes
	switch {
	case config.Olympic:
		glog.V(logger.Error).Infoln("Starting Olympic network")
		fallthrough
	case config.DevMode:
		_, err := core.WriteOlympicGenesisBlock(chainDb, 42)
		if err != nil {
			return nil, err
		}
	case config.TestNet:
		state.StartingNonce = 1048576 // (2**20)
		_, err := core.WriteTestNetGenesisBlock(chainDb, 0x6d6f7264656e)
		if err != nil {
			return nil, err
		}
	}
	// This is for testing only.
	if config.GenesisBlock != nil {
		core.WriteTd(chainDb, config.GenesisBlock.Hash(), config.GenesisBlock.Difficulty())
		core.WriteBlock(chainDb, config.GenesisBlock)
		core.WriteCanonicalHash(chainDb, config.GenesisBlock.Hash(), config.GenesisBlock.NumberU64())
		core.WriteHeadBlockHash(chainDb, config.GenesisBlock.Hash())
	}

	if !config.SkipBcVersionCheck {
		b, _ := chainDb.Get([]byte("BlockchainVersion"))
		bcVersion := int(common.NewValue(b).Uint())
		if bcVersion != config.BlockChainVersion && bcVersion != 0 {
			return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run gexp upgradedb.\n", bcVersion, config.BlockChainVersion)
		}
		saveBlockchainVersion(chainDb, config.BlockChainVersion)
	}
	glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)

	exp := &Expanse{
		shutdownChan:            make(chan bool),
		chainDb:                 chainDb,
		dappDb:                  dappDb,
		eventMux:                &event.TypeMux{},
		accountManager:          config.AccountManager,
		DataDir:                 config.DataDir,
		etherbase:               config.Etherbase,
		clientVersion:           config.Name, // TODO should separate from Name
		netVersionId:            config.NetworkId,
		NatSpec:                 config.NatSpec,
		MinerThreads:            config.MinerThreads,
		SolcPath:                config.SolcPath,
		AutoDAG:                 config.AutoDAG,
		PowTest:                 config.PowTest,
		GpoMinGasPrice:          config.GpoMinGasPrice,
		GpoMaxGasPrice:          config.GpoMaxGasPrice,
		GpoFullBlockRatio:       config.GpoFullBlockRatio,
		GpobaseStepDown:         config.GpobaseStepDown,
		GpobaseStepUp:           config.GpobaseStepUp,
		GpobaseCorrectionFactor: config.GpobaseCorrectionFactor,
		httpclient:              httpclient.New(config.DocRoot),
	}

	if config.PowTest {
		glog.V(logger.Info).Infof("ethash used in test mode")
		exp.pow, err = ethash.NewForTesting()
		if err != nil {
			return nil, err
		}
	} else {
		exp.pow = ethash.New()
	}
	//genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb)
	exp.blockchain, err = core.NewBlockChain(chainDb, exp.pow, exp.EventMux())
	if err != nil {
		if err == core.ErrNoGenesis {
			return nil, fmt.Errorf(`Genesis block not found. Please supply a genesis block with the "--genesis /path/to/file" argument`)
		}
		return nil, err
	}
	newPool := core.NewTxPool(exp.EventMux(), exp.blockchain.State, exp.blockchain.GasLimit)
	exp.txPool = newPool

	if exp.protocolManager, err = NewProtocolManager(config.FastSync, config.NetworkId, exp.eventMux, exp.txPool, exp.pow, exp.blockchain, chainDb); err != nil {
		return nil, err
	}
	exp.miner = miner.New(exp, exp.EventMux(), exp.pow)
	exp.miner.SetGasPrice(config.GasPrice)
	exp.miner.SetExtra(config.ExtraData)

	if config.Shh {
		exp.whisper = whisper.New()
		exp.shhVersionId = int(exp.whisper.Version())
	}

	netprv, err := config.nodeKey()
	if err != nil {
		return nil, err
	}
	protocols := append([]p2p.Protocol{}, exp.protocolManager.SubProtocols...)
	if config.Shh {
		protocols = append(protocols, exp.whisper.Protocol())
	}
	exp.net = &p2p.Server{
		PrivateKey:      netprv,
		Name:            config.Name,
		MaxPeers:        config.MaxPeers,
		MaxPendingPeers: config.MaxPendingPeers,
		Discovery:       config.Discovery,
		Protocols:       protocols,
		NAT:             config.NAT,
		NoDial:          !config.Dial,
		BootstrapNodes:  config.parseBootNodes(),
		StaticNodes:     config.parseNodes(staticNodes),
		TrustedNodes:    config.parseNodes(trustedNodes),
		NodeDatabase:    nodeDb,
	}
	if len(config.Port) > 0 {
		exp.net.ListenAddr = ":" + config.Port
	}

	vm.Debug = config.VmDebug

	return exp, nil
}
Example #4
0
func New(ctx *node.ServiceContext, config *Config) (*Expanse, error) {
	// Open the chain database and perform any upgrades needed
	chainDb, err := ctx.OpenDatabase("chaindata", config.DatabaseCache, config.DatabaseHandles)
	if err != nil {
		return nil, err
	}
	if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
		db.Meter("exp/db/chaindata/")
	}
	if err := upgradeChainDatabase(chainDb); err != nil {
		return nil, err
	}
	if err := addMipmapBloomBins(chainDb); err != nil {
		return nil, err
	}

	dappDb, err := ctx.OpenDatabase("dapp", config.DatabaseCache, config.DatabaseHandles)
	if err != nil {
		return nil, err
	}
	if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
		db.Meter("exp/db/dapp/")
	}
	glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)

	// Load up any custom genesis block if requested
	if len(config.Genesis) > 0 {
		block, err := core.WriteGenesisBlock(chainDb, strings.NewReader(config.Genesis))
		if err != nil {
			return nil, err
		}
		glog.V(logger.Info).Infof("Successfully wrote custom genesis block: %x", block.Hash())
	}

	// Load up a test setup if directly injected
	if config.TestGenesisState != nil {
		chainDb = config.TestGenesisState
	}
	if config.TestGenesisBlock != nil {
		core.WriteTd(chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.Difficulty())
		core.WriteBlock(chainDb, config.TestGenesisBlock)
		core.WriteCanonicalHash(chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.NumberU64())
		core.WriteHeadBlockHash(chainDb, config.TestGenesisBlock.Hash())
	}

	if !config.SkipBcVersionCheck {
		bcVersion := core.GetBlockChainVersion(chainDb)
		if bcVersion != config.BlockChainVersion && bcVersion != 0 {
			return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run gexp upgradedb.\n", bcVersion, config.BlockChainVersion)
		}
		core.WriteBlockChainVersion(chainDb, config.BlockChainVersion)
	}
	glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)

	exp := &Expanse{
		shutdownChan:            make(chan bool),
		chainDb:                 chainDb,
		dappDb:                  dappDb,
		eventMux:                ctx.EventMux,
		accountManager:          config.AccountManager,
		etherbase:               config.Etherbase,
		netVersionId:            config.NetworkId,
		NatSpec:                 config.NatSpec,
		MinerThreads:            config.MinerThreads,
		SolcPath:                config.SolcPath,
		AutoDAG:                 config.AutoDAG,
		PowTest:                 config.PowTest,
		GpoMinGasPrice:          config.GpoMinGasPrice,
		GpoMaxGasPrice:          config.GpoMaxGasPrice,
		GpoFullBlockRatio:       config.GpoFullBlockRatio,
		GpobaseStepDown:         config.GpobaseStepDown,
		GpobaseStepUp:           config.GpobaseStepUp,
		GpobaseCorrectionFactor: config.GpobaseCorrectionFactor,
		httpclient:              httpclient.New(config.DocRoot),
	}
	switch {
	case config.PowTest:
		glog.V(logger.Info).Infof("ethash used in test mode")
		exp.pow, err = ethash.NewForTesting()
		if err != nil {
			return nil, err
		}
	case config.PowShared:
		glog.V(logger.Info).Infof("ethash used in shared mode")
		exp.pow = ethash.NewShared()

	default:
		exp.pow = ethash.New()
	}

	// load the genesis block or write a new one if no genesis
	// block is prenent in the database.
	genesis := core.GetBlock(chainDb, core.GetCanonicalHash(chainDb, 0))
	if genesis == nil {
		genesis, err = core.WriteDefaultGenesisBlock(chainDb)
		if err != nil {
			return nil, err
		}
		glog.V(logger.Info).Infoln("WARNING: Wrote default expanse genesis block")
	}

	if config.ChainConfig == nil {
		return nil, errors.New("missing chain config")
	}
	core.WriteChainConfig(chainDb, genesis.Hash(), config.ChainConfig)

	exp.chainConfig = config.ChainConfig
	exp.chainConfig.VmConfig = vm.Config{
		EnableJit: config.EnableJit,
		ForceJit:  config.ForceJit,
	}

	exp.blockchain, err = core.NewBlockChain(chainDb, exp.chainConfig, exp.pow, exp.EventMux())
	if err != nil {
		if err == core.ErrNoGenesis {
			return nil, fmt.Errorf(`No chain found. Please initialise a new chain using the "init" subcommand.`)
		}
		return nil, err
	}
	exp.gpo = NewGasPriceOracle(exp)

	newPool := core.NewTxPool(exp.chainConfig, exp.EventMux(), exp.blockchain.State, exp.blockchain.GasLimit)
	exp.txPool = newPool

	if exp.protocolManager, err = NewProtocolManager(exp.chainConfig, config.FastSync, config.NetworkId, exp.eventMux, exp.txPool, exp.pow, exp.blockchain, chainDb); err != nil {
		return nil, err
	}
	exp.miner = miner.New(exp, exp.chainConfig, exp.EventMux(), exp.pow)
	exp.miner.SetGasPrice(config.GasPrice)
	exp.miner.SetExtra(config.ExtraData)

	return exp, nil
}