func blockRecovery(ctx *cli.Context) {
if len(ctx.Args()) < 1 {
glog.Fatal("recover requires block number or hash")
}
arg := ctx.Args().First()
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
blockDb, err := ethdb.NewLDBDatabase(filepath.Join(cfg.DataDir, "blockchain"), cfg.DatabaseCache)
if err != nil {
glog.Fatalln("could not open db:", err)
}
var block *types.Block
if arg[0] == '#' {
block = core.GetBlock(blockDb, core.GetCanonicalHash(blockDb, common.String2Big(arg[1:]).Uint64()))
} else {
block = core.GetBlock(blockDb, common.HexToHash(arg))
}
if block == nil {
glog.Fatalln("block not found. Recovery failed")
}
if err = core.WriteHeadBlockHash(blockDb, block.Hash()); err != nil {
glog.Fatalln("block write err", err)
}
glog.Infof("Recovery succesful. New HEAD %x\n", block.Hash())
}
func (self *Filter) getLogs(start, end uint64) (logs vm.Logs) {
var block *types.Block
for i := start; i <= end; i++ {
hash := core.GetCanonicalHash(self.db, i)
if hash != (common.Hash{}) {
block = core.GetBlock(self.db, hash)
} else { // block not found
return logs
}
// Use bloom filtering to see if this block is interesting given the
// current parameters
if self.bloomFilter(block) {
// Get the logs of the block
var (
receipts = core.GetBlockReceipts(self.db, block.Hash())
unfiltered vm.Logs
)
for _, receipt := range receipts {
unfiltered = append(unfiltered, receipt.Logs...)
}
logs = append(logs, self.FilterLogs(unfiltered)...)
}
}
return logs
}
// MustMakeChainConfigFromDb reads the chain configuration from the given database.
func MustMakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *core.ChainConfig {
// If the chain is already initialized, use any existing chain configs
config := new(core.ChainConfig)
genesis := core.GetBlock(db, core.GetCanonicalHash(db, 0))
if genesis != nil {
storedConfig, err := core.GetChainConfig(db, genesis.Hash())
switch err {
case nil:
config = storedConfig
case core.ChainConfigNotFoundErr:
// No configs found, use empty, will populate below
default:
Fatalf("Could not make chain configuration: %v", err)
}
}
// Set any missing fields due to them being unset or system upgrade
if config.HomesteadBlock == nil {
if ctx.GlobalBool(TestNetFlag.Name) {
config.HomesteadBlock = params.TestNetHomesteadBlock
} else {
config.HomesteadBlock = params.MainNetHomesteadBlock
}
}
if config.DAOForkBlock == nil {
if ctx.GlobalBool(TestNetFlag.Name) {
config.DAOForkBlock = params.TestNetDAOForkBlock
} else {
config.DAOForkBlock = params.MainNetDAOForkBlock
}
config.DAOForkSupport = true
}
// Force override any existing configs if explicitly requested
switch {
case ctx.GlobalBool(SupportDAOFork.Name):
config.DAOForkSupport = true
case ctx.GlobalBool(OpposeDAOFork.Name):
config.DAOForkSupport = false
}
// Temporarilly display a proper message so the user knows which fork its on
if !ctx.GlobalBool(TestNetFlag.Name) && (genesis == nil || genesis.Hash() == common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3")) {
choice := "SUPPORT"
if !config.DAOForkSupport {
choice = "OPPOSE"
}
current := fmt.Sprintf(" is currently configured to %s the DAO hard-fork!", choice)
howtoswap := fmt.Sprintf("You can change your choice prior to block #%v with --support-dao-fork or --oppose-dao-fork.", config.DAOForkBlock)
howtosync := fmt.Sprintf("After the hard-fork block #%v passed, changing chains requires a resync from scratch!", config.DAOForkBlock)
separator := strings.Repeat("-", len(howtoswap))
glog.V(logger.Warn).Info(separator)
glog.V(logger.Warn).Info(current)
glog.V(logger.Warn).Info(howtoswap)
glog.V(logger.Warn).Info(howtosync)
glog.V(logger.Warn).Info(separator)
}
return config
}
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
}
}
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
}
}()
latestBlock := core.GetBlock(db, core.GetHeadBlockHash(db))
if latestBlock == nil { // clean database
return
}
tstart := time.Now()
glog.V(logger.Info).Infoln("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))
}
glog.V(logger.Info).Infoln("upgrade completed in", time.Since(tstart))
return nil
}
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
}