Frontier console node admin interface

cmd/ethereum/admin.go

@@ -0,0 +1,259 @@
+package main
+
+import (
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/state"
+	"github.com/ethereum/go-ethereum/xeth"
+	"github.com/obscuren/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("startMining", js.startMining)
+	admin.Set("stopMining", js.stopMining)
+	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("dumpBlock", js.dumpBlock)
+}
+
+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()
+	}
+	dataDir := js.ethereum.DataDir
+
+	l, err := net.Listen("tcp", fmt.Sprintf("%s:%d", addr, port))
+	if err != nil {
+		fmt.Printf("Can't listen on %s:%d: %v", addr, port, err)
+		return otto.FalseValue()
+	}
+	go http.Serve(l, rpc.JSONRPC(xeth.New(js.ethereum, nil), dataDir))
+	return otto.TrueValue()
+}
+
+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()
+	}
+
+	data := js.ethereum.ChainManager().Export()
+	if err := common.WriteFile(fn, data); err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	return otto.TrueValue()
+}
+
+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.Hex2Bytes(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)
+
+}