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-rw-r--r--cmd/geth/js.go424
1 files changed, 0 insertions, 424 deletions
diff --git a/cmd/geth/js.go b/cmd/geth/js.go
deleted file mode 100644
index 5f455d7a3..000000000
--- a/cmd/geth/js.go
+++ /dev/null
@@ -1,424 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of go-ethereum.
-//
-// go-ethereum is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// go-ethereum is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
-
-package main
-
-import (
- "fmt"
- "math/big"
- "os"
- "os/signal"
- "path/filepath"
- "regexp"
- "sort"
- "strings"
-
- "github.com/codegangsta/cli"
- "github.com/ethereum/go-ethereum/accounts"
- "github.com/ethereum/go-ethereum/cmd/utils"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/registrar"
- "github.com/ethereum/go-ethereum/eth"
- "github.com/ethereum/go-ethereum/internal/web3ext"
- re "github.com/ethereum/go-ethereum/jsre"
- "github.com/ethereum/go-ethereum/node"
- "github.com/ethereum/go-ethereum/rpc"
- "github.com/peterh/liner"
- "github.com/robertkrimen/otto"
-)
-
-var (
- passwordRegexp = regexp.MustCompile("personal.[nus]")
- onlyws = regexp.MustCompile("^\\s*$")
- exit = regexp.MustCompile("^\\s*exit\\s*;*\\s*$")
-)
-
-type jsre struct {
- re *re.JSRE
- stack *node.Node
- wait chan *big.Int
- ps1 string
- atexit func()
- corsDomain string
- client rpc.Client
-}
-
-func makeCompleter(re *jsre) liner.WordCompleter {
- return func(line string, pos int) (head string, completions []string, tail string) {
- if len(line) == 0 || pos == 0 {
- return "", nil, ""
- }
- // chuck data to relevant part for autocompletion, e.g. in case of nested lines eth.getBalance(eth.coinb<tab><tab>
- i := 0
- for i = pos - 1; i > 0; i-- {
- if line[i] == '.' || (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') {
- continue
- }
- if i >= 3 && line[i] == '3' && line[i-3] == 'w' && line[i-2] == 'e' && line[i-1] == 'b' {
- continue
- }
- i += 1
- break
- }
- return line[:i], re.re.CompleteKeywords(line[i:pos]), line[pos:]
- }
-}
-
-func newLightweightJSRE(docRoot string, client rpc.Client, datadir string, interactive bool) *jsre {
- js := &jsre{ps1: "> "}
- js.wait = make(chan *big.Int)
- js.client = client
- js.re = re.New(docRoot)
- if err := js.apiBindings(); err != nil {
- utils.Fatalf("Unable to initialize console - %v", err)
- }
- js.setupInput(datadir)
- return js
-}
-
-func newJSRE(stack *node.Node, docRoot, corsDomain string, client rpc.Client, interactive bool) *jsre {
- js := &jsre{stack: stack, ps1: "> "}
- // set default cors domain used by startRpc from CLI flag
- js.corsDomain = corsDomain
- js.wait = make(chan *big.Int)
- js.client = client
- js.re = re.New(docRoot)
- if err := js.apiBindings(); err != nil {
- utils.Fatalf("Unable to connect - %v", err)
- }
- js.setupInput(stack.DataDir())
- return js
-}
-
-func (self *jsre) setupInput(datadir string) {
- self.withHistory(datadir, func(hist *os.File) { utils.Stdin.ReadHistory(hist) })
- utils.Stdin.SetCtrlCAborts(true)
- utils.Stdin.SetWordCompleter(makeCompleter(self))
- utils.Stdin.SetTabCompletionStyle(liner.TabPrints)
- self.atexit = func() {
- self.withHistory(datadir, func(hist *os.File) {
- hist.Truncate(0)
- utils.Stdin.WriteHistory(hist)
- })
- utils.Stdin.Close()
- close(self.wait)
- }
-}
-
-func (self *jsre) batch(statement string) {
- err := self.re.EvalAndPrettyPrint(statement)
-
- if err != nil {
- fmt.Printf("%v", jsErrorString(err))
- }
-
- if self.atexit != nil {
- self.atexit()
- }
-
- self.re.Stop(false)
-}
-
-// show summary of current geth instance
-func (self *jsre) welcome() {
- self.re.Run(`
- (function () {
- console.log('instance: ' + web3.version.node);
- console.log("coinbase: " + eth.coinbase);
- var ts = 1000 * eth.getBlock(eth.blockNumber).timestamp;
- console.log("at block: " + eth.blockNumber + " (" + new Date(ts) + ")");
- console.log(' datadir: ' + admin.datadir);
- })();
- `)
- if modules, err := self.supportedApis(); err == nil {
- loadedModules := make([]string, 0)
- for api, version := range modules {
- loadedModules = append(loadedModules, fmt.Sprintf("%s:%s", api, version))
- }
- sort.Strings(loadedModules)
- }
-}
-
-func (self *jsre) supportedApis() (map[string]string, error) {
- return self.client.SupportedModules()
-}
-
-func (js *jsre) apiBindings() error {
- apis, err := js.supportedApis()
- if err != nil {
- return err
- }
-
- apiNames := make([]string, 0, len(apis))
- for a, _ := range apis {
- apiNames = append(apiNames, a)
- }
-
- jeth := utils.NewJeth(js.re, js.client)
- js.re.Set("jeth", struct{}{})
- t, _ := js.re.Get("jeth")
- jethObj := t.Object()
-
- jethObj.Set("send", jeth.Send)
- jethObj.Set("sendAsync", jeth.Send)
-
- err = js.re.Compile("bignumber.js", re.BigNumber_JS)
- if err != nil {
- utils.Fatalf("Error loading bignumber.js: %v", err)
- }
-
- err = js.re.Compile("web3.js", re.Web3_JS)
- if err != nil {
- utils.Fatalf("Error loading web3.js: %v", err)
- }
-
- _, err = js.re.Run("var Web3 = require('web3');")
- if err != nil {
- utils.Fatalf("Error requiring web3: %v", err)
- }
-
- _, err = js.re.Run("var web3 = new Web3(jeth);")
- if err != nil {
- utils.Fatalf("Error setting web3 provider: %v", err)
- }
-
- // load only supported API's in javascript runtime
- shortcuts := "var eth = web3.eth; var personal = web3.personal; "
- for _, apiName := range apiNames {
- if apiName == "web3" {
- continue // manually mapped or ignore
- }
-
- if jsFile, ok := web3ext.Modules[apiName]; ok {
- if err = js.re.Compile(fmt.Sprintf("%s.js", apiName), jsFile); err == nil {
- shortcuts += fmt.Sprintf("var %s = web3.%s; ", apiName, apiName)
- } else {
- utils.Fatalf("Error loading %s.js: %v", apiName, err)
- }
- }
- }
-
- _, err = js.re.Run(shortcuts)
- if err != nil {
- utils.Fatalf("Error setting namespaces: %v", err)
- }
-
- js.re.Run(`var GlobalRegistrar = eth.contract(` + registrar.GlobalRegistrarAbi + `); registrar = GlobalRegistrar.at("` + registrar.GlobalRegistrarAddr + `");`)
-
- // overrule some of the methods that require password as input and ask for it interactively
- p, err := js.re.Get("personal")
- if err != nil {
- fmt.Println("Unable to overrule sensitive methods in personal module")
- return nil
- }
-
- // Override the unlockAccount and newAccount methods on the personal object since these require user interaction.
- // Assign the jeth.unlockAccount and jeth.newAccount in the jsre the original web3 callbacks. These will be called
- // by the jeth.* methods after they got the password from the user and send the original web3 request to the backend.
- if persObj := p.Object(); persObj != nil { // make sure the personal api is enabled over the interface
- js.re.Run(`jeth.unlockAccount = personal.unlockAccount;`)
- persObj.Set("unlockAccount", jeth.UnlockAccount)
- js.re.Run(`jeth.newAccount = personal.newAccount;`)
- persObj.Set("newAccount", jeth.NewAccount)
- }
-
- // The admin.sleep and admin.sleepBlocks are offered by the console and not by the RPC layer.
- // Bind these if the admin module is available.
- if a, err := js.re.Get("admin"); err == nil {
- if adminObj := a.Object(); adminObj != nil {
- adminObj.Set("sleepBlocks", jeth.SleepBlocks)
- adminObj.Set("sleep", jeth.Sleep)
- }
- }
-
- return nil
-}
-
-func (self *jsre) AskPassword() (string, bool) {
- pass, err := utils.Stdin.PasswordPrompt("Passphrase: ")
- if err != nil {
- return "", false
- }
- return pass, true
-}
-
-func (self *jsre) ConfirmTransaction(tx string) bool {
- // Retrieve the Ethereum instance from the node
- var ethereum *eth.Ethereum
- if err := self.stack.Service(&ethereum); err != nil {
- return false
- }
- // If natspec is enabled, ask for permission
- if ethereum.NatSpec && false /* disabled for now */ {
- // notice := natspec.GetNotice(self.xeth, tx, ethereum.HTTPClient())
- // fmt.Println(notice)
- // answer, _ := self.Prompt("Confirm Transaction [y/n]")
- // return strings.HasPrefix(strings.Trim(answer, " "), "y")
- }
- return true
-}
-
-func (self *jsre) UnlockAccount(addr []byte) bool {
- fmt.Printf("Please unlock account %x.\n", addr)
- pass, err := utils.Stdin.PasswordPrompt("Passphrase: ")
- if err != nil {
- return false
- }
- // TODO: allow retry
- var ethereum *eth.Ethereum
- if err := self.stack.Service(&ethereum); err != nil {
- return false
- }
- a := accounts.Account{Address: common.BytesToAddress(addr)}
- if err := ethereum.AccountManager().Unlock(a, pass); err != nil {
- return false
- } else {
- fmt.Println("Account is now unlocked for this session.")
- return true
- }
-}
-
-// preloadJSFiles loads JS files that the user has specified with ctx.PreLoadJSFlag into
-// the JSRE. If not all files could be loaded it will return an error describing the error.
-func (self *jsre) preloadJSFiles(ctx *cli.Context) error {
- if ctx.GlobalString(utils.PreLoadJSFlag.Name) != "" {
- assetPath := ctx.GlobalString(utils.JSpathFlag.Name)
- jsFiles := strings.Split(ctx.GlobalString(utils.PreLoadJSFlag.Name), ",")
- for _, file := range jsFiles {
- filename := common.AbsolutePath(assetPath, strings.TrimSpace(file))
- if err := self.re.Exec(filename); err != nil {
- return fmt.Errorf("%s: %v", file, jsErrorString(err))
- }
- }
- }
- return nil
-}
-
-// jsErrorString adds a backtrace to errors generated by otto.
-func jsErrorString(err error) string {
- if ottoErr, ok := err.(*otto.Error); ok {
- return ottoErr.String()
- }
- return err.Error()
-}
-
-func (self *jsre) interactive() {
- // Read input lines.
- prompt := make(chan string)
- inputln := make(chan string)
- go func() {
- defer close(inputln)
- for {
- line, err := utils.Stdin.Prompt(<-prompt)
- if err != nil {
- if err == liner.ErrPromptAborted { // ctrl-C
- self.resetPrompt()
- inputln <- ""
- continue
- }
- return
- }
- inputln <- line
- }
- }()
- // Wait for Ctrl-C, too.
- sig := make(chan os.Signal, 1)
- signal.Notify(sig, os.Interrupt)
-
- defer func() {
- if self.atexit != nil {
- self.atexit()
- }
- self.re.Stop(false)
- }()
- for {
- prompt <- self.ps1
- select {
- case <-sig:
- fmt.Println("caught interrupt, exiting")
- return
- case input, ok := <-inputln:
- if !ok || indentCount <= 0 && exit.MatchString(input) {
- return
- }
- if onlyws.MatchString(input) {
- continue
- }
- str += input + "\n"
- self.setIndent()
- if indentCount <= 0 {
- if !excludeFromHistory(str) {
- utils.Stdin.AppendHistory(str[:len(str)-1])
- }
- self.parseInput(str)
- str = ""
- }
- }
- }
-}
-
-func excludeFromHistory(input string) bool {
- return len(input) == 0 || input[0] == ' ' || passwordRegexp.MatchString(input)
-}
-
-func (self *jsre) withHistory(datadir string, op func(*os.File)) {
- hist, err := os.OpenFile(filepath.Join(datadir, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
- if err != nil {
- fmt.Printf("unable to open history file: %v\n", err)
- return
- }
- op(hist)
- hist.Close()
-}
-
-func (self *jsre) parseInput(code string) {
- defer func() {
- if r := recover(); r != nil {
- fmt.Println("[native] error", r)
- }
- }()
- if err := self.re.EvalAndPrettyPrint(code); err != nil {
- if ottoErr, ok := err.(*otto.Error); ok {
- fmt.Println(ottoErr.String())
- } else {
- fmt.Println(err)
- }
- return
- }
-}
-
-var indentCount = 0
-var str = ""
-
-func (self *jsre) resetPrompt() {
- indentCount = 0
- str = ""
- self.ps1 = "> "
-}
-
-func (self *jsre) setIndent() {
- open := strings.Count(str, "{")
- open += strings.Count(str, "(")
- closed := strings.Count(str, "}")
- closed += strings.Count(str, ")")
- indentCount = open - closed
- if indentCount <= 0 {
- self.ps1 = "> "
- } else {
- self.ps1 = strings.Join(make([]string, indentCount*2), "..")
- self.ps1 += " "
- }
-}
generated by cgit (git 2.34.1) at 2024-11-14 09:16:04 +0800