package main import ( "errors" "fmt" "strconv" "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() { ethO, _ := js.re.Get("eth") eth := ethO.Object() eth.Set("transactions", js.transactions) eth.Set("resend", js.resend) 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("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("backtrace", js.backtrace) debug.Set("printBlock", js.printBlock) debug.Set("dumpBlock", js.dumpBlock) debug.Set("getBlockRlp", js.getBlockRlp) debug.Set("setHead", js.setHead) debug.Set("processBlock", 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") } type tx struct { tx *types.Transaction To string From string Nonce string Value string Data string GasLimit string GasPrice string } func newTx(t *types.Transaction) *tx { from, _ := t.From() var to string if t := t.To(); t != nil { to = t.Hex() } return &tx{ tx: t, To: to, From: from.Hex(), Value: t.Amount.String(), Nonce: strconv.Itoa(int(t.Nonce())), Data: "0x" + common.Bytes2Hex(t.Data()), GasLimit: t.GasLimit.String(), GasPrice: t.GasPrice().String(), } } func (js *jsre) transactions(call otto.FunctionCall) otto.Value { txs := js.ethereum.TxPool().GetTransactions() ltxs := make([]*tx, len(txs)) for i, tx := range txs { ltxs[i] = newTx(tx) } return js.re.ToVal(ltxs) } func (js *jsre) resend(call otto.FunctionCall) otto.Value { if len(call.ArgumentList) == 0 { fmt.Println("first argument must be a transaction") return otto.FalseValue() } v, err := call.Argument(0).Export() if err != nil { fmt.Println(err) return otto.FalseValue() } if tx, ok := v.(*tx); ok { gl, gp := tx.GasLimit, tx.GasPrice if len(call.ArgumentList) > 1 { gp = call.Argument(1).String() } if len(call.ArgumentList) > 2 { gl = call.Argument(2).String() } ret, err := js.xeth.Transact(tx.From, tx.To, tx.Nonce, tx.Value, gl, gp, tx.Data) if err != nil { fmt.Println(err) return otto.FalseValue() } js.ethereum.TxPool().RemoveTransactions(types.Transactions{tx.tx}) return js.re.ToVal(ret) } fmt.Println("first argument must be a transaction") return otto.FalseValue() } 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() } corsDomain := js.corsDomain if len(call.ArgumentList) > 2 { corsDomain, err = call.Argument(2).ToString() if err != nil { fmt.Println(err) return otto.FalseValue() } } config := rpc.RpcConfig{ ListenAddress: addr, ListenPort: uint(port), CorsDomain: corsDomain, } 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.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("0x" + 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() } if err := utils.ImportChain(js.ethereum.ChainManager(), fn); err != nil { fmt.Println("Import error: ", 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) }