path: root/ethereum/main.go

package main

import (
    "fmt"
    "os"
    "runtime"

    "github.com/ethereum/eth-go/ethchain"
    "github.com/ethereum/eth-go/ethlog"
    "github.com/ethereum/eth-go/ethutil"
    "github.com/ethereum/go-ethereum/utils"
)

const (
    ClientIdentifier = "Ethereum(G)"
    Version          = "0.7.0"
)

var logger = ethlog.NewLogger("CLI")

func main() {
    runtime.GOMAXPROCS(runtime.NumCPU())

    utils.HandleInterrupt()

    // precedence: code-internal flag default < config file < environment variables < command line
    Init() // parsing command line

    // If the difftool option is selected ignore all other log output
    if DiffTool || Dump {
        LogLevel = 0
    }

    utils.InitConfig(ConfigFile, Datadir, "ETH")
    ethutil.Config.Diff = DiffTool
    ethutil.Config.DiffType = DiffType

    utils.InitDataDir(Datadir)

    utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)

    db := utils.NewDatabase()
    err := utils.DBSanityCheck(db)
    if err != nil {
        logger.Errorln(err)

        os.Exit(1)
    }

    keyManager := utils.NewKeyManager(KeyStore, Datadir, db)

    // create, import, export keys
    utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)

    clientIdentity := utils.NewClientIdentity(ClientIdentifier, Version, Identifier)

    ethereum := utils.NewEthereum(db, clientIdentity, keyManager, UseUPnP, OutboundPort, MaxPeer)

    if Dump {
        var block *ethchain.Block

        if len(DumpHash) == 0 && DumpNumber == -1 {
            block = ethereum.BlockChain().CurrentBlock
        } else if len(DumpHash) > 0 {
            block = ethereum.BlockChain().GetBlock(ethutil.Hex2Bytes(DumpHash))
        } else {
            block = ethereum.BlockChain().GetBlockByNumber(uint64(DumpNumber))
        }

        if block == nil {
            fmt.Fprintln(os.Stderr, "block not found")

            // We want to output valid JSON
            fmt.Println("{}")

            os.Exit(1)
        }

        fmt.Printf("RLP: %x\nstate: %x\nhash: %x\n", ethutil.Rlp(block), block.GetRoot(), block.Hash())

        // Leave the Println. This needs clean output for piping
        fmt.Printf("%s\n", block.State().Dump())

        os.Exit(0)
    }

    if ShowGenesis {
        utils.ShowGenesis(ethereum)
    }

    if StartMining {
        utils.StartMining(ethereum)
    }

    // better reworked as cases
    if StartJsConsole {
        InitJsConsole(ethereum)
    } else if len(InputFile) > 0 {
        ExecJsFile(ethereum, InputFile)
    }

    if StartRpc {
        utils.StartRpc(ethereum, RpcPort)
    }

    if StartWebSockets {
        utils.StartWebSockets(ethereum)
    }

    utils.StartEthereum(ethereum, UseSeed)

    // this blocks the thread
    ethereum.WaitForShutdown()
    ethlog.Flush()
}