diff options
Diffstat (limited to 'eth/backend.go')
| -rw-r--r-- | eth/backend.go | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/eth/backend.go b/eth/backend.go index 9c661ad54..e7250c019 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -75,6 +75,8 @@ type Config struct { Name string NetworkId int GenesisNonce int + GenesisFile string + GenesisBlock *types.Block // used by block tests BlockChainVersion int SkipBcVersionCheck bool // e.g. blockchain export @@ -283,22 +285,26 @@ func New(config *Config) (*Ethereum, error) { db.Meter("eth/db/extra/") } nodeDb := filepath.Join(config.DataDir, "nodes") + glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId) - // Perform database sanity checks - /* - // The databases were previously tied to protocol versions. Currently we - // are moving away from this decision as approaching Frontier. The below - // check was left in for now but should eventually be just dropped. - - d, _ := blockDb.Get([]byte("ProtocolVersion")) - protov := int(common.NewValue(d).Uint()) - if protov != config.ProtocolVersion && protov != 0 { - path := filepath.Join(config.DataDir, "blockchain") - return nil, fmt.Errorf("Database version mismatch. Protocol(%d / %d). `rm -rf %s`", protov, config.ProtocolVersion, path) + if len(config.GenesisFile) > 0 { + fr, err := os.Open(config.GenesisFile) + if err != nil { + return nil, err } - saveProtocolVersion(blockDb, config.ProtocolVersion) - */ - glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId) + + block, err := core.WriteGenesisBlock(stateDb, blockDb, fr) + if err != nil { + return nil, err + } + glog.V(logger.Info).Infof("Successfully wrote genesis block. New genesis hash = %x\n", block.Hash()) + } + + // This is for testing only. + if config.GenesisBlock != nil { + core.WriteBlock(blockDb, config.GenesisBlock) + core.WriteHead(blockDb, config.GenesisBlock) + } if !config.SkipBcVersionCheck { b, _ := blockDb.Get([]byte("BlockchainVersion")) @@ -344,9 +350,13 @@ func New(config *Config) (*Ethereum, error) { } else { eth.pow = ethash.New() } - genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb) - eth.chainManager, err = core.NewChainManager(genesis, blockDb, stateDb, extraDb, eth.pow, eth.EventMux()) + //genesis := core.GenesisBlock(uint64(config.GenesisNonce), stateDb) + eth.chainManager, err = core.NewChainManager(blockDb, stateDb, extraDb, eth.pow, eth.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 } eth.txPool = core.NewTxPool(eth.EventMux(), eth.chainManager.State, eth.chainManager.GasLimit) |