path: root/cmd/geth/admin.go

package main

import (
    "errors"
    "fmt"
    "os"
    "time"

    "github.com/ethereum/go-ethereum/cmd/utils"
    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core/state"
    "github.com/ethereum/go-ethereum/core/types"
    "github.com/ethereum/go-ethereum/core/vm"
    "github.com/ethereum/go-ethereum/logger/glog"
    "github.com/ethereum/go-ethereum/rlp"
    "github.com/ethereum/go-ethereum/rpc"
    "github.com/ethereum/go-ethereum/xeth"
    "github.com/robertkrimen/otto"
)

/*
node admin bindings
*/

func (js *jsre) adminBindings() {
    js.re.Set("admin", struct{}{})
    t, _ := js.re.Get("admin")
    admin := t.Object()
    admin.Set("suggestPeer", js.suggestPeer)
    admin.Set("startRPC", js.startRPC)
    admin.Set("stopRPC", js.stopRPC)
    admin.Set("nodeInfo", js.nodeInfo)
    admin.Set("peers", js.peers)
    admin.Set("newAccount", js.newAccount)
    admin.Set("unlock", js.unlock)
    admin.Set("import", js.importChain)
    admin.Set("export", js.exportChain)
    admin.Set("verbosity", js.verbosity)
    admin.Set("backtrace", js.backtrace)
    admin.Set("progress", js.downloadProgress)

    admin.Set("miner", struct{}{})
    t, _ = admin.Get("miner")
    miner := t.Object()
    miner.Set("start", js.startMining)
    miner.Set("stop", js.stopMining)
    miner.Set("hashrate", js.hashrate)
    miner.Set("setExtra", js.setExtra)

    admin.Set("debug", struct{}{})
    t, _ = admin.Get("debug")
    debug := t.Object()
    debug.Set("printBlock", js.printBlock)
    debug.Set("dumpBlock", js.dumpBlock)
    debug.Set("getBlockRlp", js.getBlockRlp)
    debug.Set("setHead", js.setHead)
    debug.Set("block", js.debugBlock)
}

func (js *jsre) getBlock(call otto.FunctionCall) (*types.Block, error) {
    var block *types.Block
    if len(call.ArgumentList) > 0 {
        if call.Argument(0).IsNumber() {
            num, _ := call.Argument(0).ToInteger()
            block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
        } else if call.Argument(0).IsString() {
            hash, _ := call.Argument(0).ToString()
            block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
        } else {
            return nil, errors.New("invalid argument for dump. Either hex string or number")
        }
        return block, nil
    }

    return nil, errors.New("requires block number or block hash as argument")
}

func (js *jsre) debugBlock(call otto.FunctionCall) otto.Value {
    block, err := js.getBlock(call)
    if err != nil {
        fmt.Println(err)
        return otto.UndefinedValue()
    }

    if block == nil {
        fmt.Println("block not found")
        return otto.UndefinedValue()
    }

    old := vm.Debug
    vm.Debug = true
    _, err = js.ethereum.BlockProcessor().RetryProcess(block)
    if err != nil {
        glog.Infoln(err)
    }
    vm.Debug = old

    return otto.UndefinedValue()
}

func (js *jsre) setHead(call otto.FunctionCall) otto.Value {
    block, err := js.getBlock(call)
    if err != nil {
        fmt.Println(err)
        return otto.UndefinedValue()
    }

    if block == nil {
        fmt.Println("block not found")
        return otto.UndefinedValue()
    }

    js.ethereum.ChainManager().SetHead(block)
    return otto.UndefinedValue()
}

func (js *jsre) downloadProgress(call otto.FunctionCall) otto.Value {
    current, max := js.ethereum.Downloader().Stats()

    return js.re.ToVal(fmt.Sprintf("%d/%d", current, max))
}

func (js *jsre) getBlockRlp(call otto.FunctionCall) otto.Value {
    block, err := js.getBlock(call)
    if err != nil {
        fmt.Println(err)
        return otto.UndefinedValue()
    }

    if block == nil {
        fmt.Println("block not found")
        return otto.UndefinedValue()
    }

    encoded, _ := rlp.EncodeToBytes(block)
    return js.re.ToVal(fmt.Sprintf("%x", encoded))
}

func (js *jsre) setExtra(call otto.FunctionCall) otto.Value {
    extra, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.UndefinedValue()
    }

    if len(extra) > 1024 {
        fmt.Println("error: cannot exceed 1024 bytes")
        return otto.UndefinedValue()
    }

    js.ethereum.Miner().SetExtra([]byte(extra))
    return otto.UndefinedValue()
}

func (js *jsre) hashrate(otto.FunctionCall) otto.Value {
    return js.re.ToVal(js.ethereum.Miner().HashRate())
}

func (js *jsre) backtrace(call otto.FunctionCall) otto.Value {
    tracestr, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.UndefinedValue()
    }
    glog.GetTraceLocation().Set(tracestr)

    return otto.UndefinedValue()
}

func (js *jsre) verbosity(call otto.FunctionCall) otto.Value {
    v, err := call.Argument(0).ToInteger()
    if err != nil {
        fmt.Println(err)
        return otto.UndefinedValue()
    }

    glog.SetV(int(v))
    return otto.UndefinedValue()
}

func (js *jsre) startMining(call otto.FunctionCall) otto.Value {
    _, err := call.Argument(0).ToInteger()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    // threads now ignored
    err = js.ethereum.StartMining()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    return otto.TrueValue()
}

func (js *jsre) stopMining(call otto.FunctionCall) otto.Value {
    js.ethereum.StopMining()
    return otto.TrueValue()
}

func (js *jsre) startRPC(call otto.FunctionCall) otto.Value {
    addr, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    port, err := call.Argument(1).ToInteger()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }

    config := rpc.RpcConfig{
        ListenAddress: addr,
        ListenPort:    uint(port),
        // CorsDomain:    ctx.GlobalString(RPCCORSDomainFlag.Name),
    }

    xeth := xeth.New(js.ethereum, nil)
    err = rpc.Start(xeth, config)

    if err != nil {
        fmt.Printf(err.Error())
        return otto.FalseValue()
    }

    return otto.TrueValue()
}

func (js *jsre) stopRPC(call otto.FunctionCall) otto.Value {
    if rpc.Stop() == nil {
        return otto.TrueValue()
    }
    return otto.FalseValue()
}

func (js *jsre) suggestPeer(call otto.FunctionCall) otto.Value {
    nodeURL, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    err = js.ethereum.SuggestPeer(nodeURL)
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    return otto.TrueValue()
}

func (js *jsre) unlock(call otto.FunctionCall) otto.Value {
    addr, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    seconds, err := call.Argument(2).ToInteger()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    arg := call.Argument(1)
    var passphrase string
    if arg.IsUndefined() {
        fmt.Println("Please enter a passphrase now.")
        passphrase, err = readPassword("Passphrase: ", true)
        if err != nil {
            utils.Fatalf("%v", err)
        }
    } else {
        passphrase, err = arg.ToString()
        if err != nil {
            fmt.Println(err)
            return otto.FalseValue()
        }
    }
    am := js.ethereum.AccountManager()
    // err := am.Unlock(common.FromHex(split[0]), split[1])
    // if err != nil {
    //  utils.Fatalf("Unlock account failed '%v'", err)
    // }
    err = am.TimedUnlock(common.FromHex(addr), passphrase, time.Duration(seconds)*time.Second)
    if err != nil {
        fmt.Printf("Unlock account failed '%v'\n", err)
        return otto.FalseValue()
    }
    return otto.TrueValue()
}

func (js *jsre) newAccount(call otto.FunctionCall) otto.Value {
    arg := call.Argument(0)
    var passphrase string
    if arg.IsUndefined() {
        fmt.Println("The new account will be encrypted with a passphrase.")
        fmt.Println("Please enter a passphrase now.")
        auth, err := readPassword("Passphrase: ", true)
        if err != nil {
            utils.Fatalf("%v", err)
        }
        confirm, err := readPassword("Repeat Passphrase: ", false)
        if err != nil {
            utils.Fatalf("%v", err)
        }
        if auth != confirm {
            utils.Fatalf("Passphrases did not match.")
        }
        passphrase = auth
    } else {
        var err error
        passphrase, err = arg.ToString()
        if err != nil {
            fmt.Println(err)
            return otto.FalseValue()
        }
    }
    acct, err := js.ethereum.AccountManager().NewAccount(passphrase)
    if err != nil {
        fmt.Printf("Could not create the account: %v", err)
        return otto.UndefinedValue()
    }
    return js.re.ToVal(common.Bytes2Hex(acct.Address))
}

func (js *jsre) nodeInfo(call otto.FunctionCall) otto.Value {
    return js.re.ToVal(js.ethereum.NodeInfo())
}

func (js *jsre) peers(call otto.FunctionCall) otto.Value {
    return js.re.ToVal(js.ethereum.PeersInfo())
}

func (js *jsre) importChain(call otto.FunctionCall) otto.Value {
    if len(call.ArgumentList) == 0 {
        fmt.Println("err: require file name")
        return otto.FalseValue()
    }

    fn, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }

    var fh *os.File
    fh, err = os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    defer fh.Close()

    var blocks types.Blocks
    if err = rlp.Decode(fh, &blocks); err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }

    js.ethereum.ChainManager().Reset()
    if err = js.ethereum.ChainManager().InsertChain(blocks); err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }

    return otto.TrueValue()
}

func (js *jsre) exportChain(call otto.FunctionCall) otto.Value {
    if len(call.ArgumentList) == 0 {
        fmt.Println("err: require file name")
        return otto.FalseValue()
    }

    fn, err := call.Argument(0).ToString()
    if err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    if err := utils.ExportChain(js.ethereum.ChainManager(), fn); err != nil {
        fmt.Println(err)
        return otto.FalseValue()
    }
    return otto.TrueValue()
}

func (js *jsre) printBlock(call otto.FunctionCall) otto.Value {
    var block *types.Block
    if len(call.ArgumentList) > 0 {
        if call.Argument(0).IsNumber() {
            num, _ := call.Argument(0).ToInteger()
            block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
        } else if call.Argument(0).IsString() {
            hash, _ := call.Argument(0).ToString()
            block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
        } else {
            fmt.Println("invalid argument for dump. Either hex string or number")
        }

    } else {
        block = js.ethereum.ChainManager().CurrentBlock()
    }
    if block == nil {
        fmt.Println("block not found")
        return otto.UndefinedValue()
    }

    fmt.Println(block)

    return otto.UndefinedValue()
}

func (js *jsre) dumpBlock(call otto.FunctionCall) otto.Value {
    var block *types.Block
    if len(call.ArgumentList) > 0 {
        if call.Argument(0).IsNumber() {
            num, _ := call.Argument(0).ToInteger()
            block = js.ethereum.ChainManager().GetBlockByNumber(uint64(num))
        } else if call.Argument(0).IsString() {
            hash, _ := call.Argument(0).ToString()
            block = js.ethereum.ChainManager().GetBlock(common.HexToHash(hash))
        } else {
            fmt.Println("invalid argument for dump. Either hex string or number")
        }

    } else {
        block = js.ethereum.ChainManager().CurrentBlock()
    }
    if block == nil {
        fmt.Println("block not found")
        return otto.UndefinedValue()
    }

    statedb := state.New(block.Root(), js.ethereum.StateDb())
    dump := statedb.RawDump()
    return js.re.ToVal(dump)

}