forked from mirror/go-ethereum
* resolver -> common/registrar * global registrar name registry interface * add Call to resolver backend interface * the hashReg and UrlHing contracts now initialised from global registry * initialization of contracts uniform * improve errors and more econsistent method names * common/registrar/ethreg: versioned registrar * integrate new naming and registrar in natspec * js console api: setGlobalRegistrar, setHashReg, setUrlHint * js test TestContract uses mining - tests fixed all pass * eth/backend: allow PoW test mode (small ethash DAG) * console jsre refers to resolver.abi/addr, * cmd/geth/contracts.go moved to common/registrarrelease/0.9.36
zelig
10 years ago
committed by
Jeffrey Wilcke
parent
83ee39448e
commit
2739233719
@ -0,0 +1,454 @@ |
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// Copyright (c) 2013-2014, Jeffrey Wilcke. All rights reserved.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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// MA 02110-1301 USA
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package main |
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import ( |
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"bufio" |
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"fmt" |
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"math/big" |
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"os" |
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"os/signal" |
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"path/filepath" |
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"strings" |
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"encoding/json" |
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"sort" |
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"github.com/codegangsta/cli" |
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"github.com/ethereum/go-ethereum/cmd/utils" |
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"github.com/ethereum/go-ethereum/common/docserver" |
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re "github.com/ethereum/go-ethereum/jsre" |
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"github.com/ethereum/go-ethereum/rpc" |
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"github.com/ethereum/go-ethereum/rpc/api" |
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"github.com/ethereum/go-ethereum/rpc/codec" |
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"github.com/ethereum/go-ethereum/rpc/comms" |
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"github.com/ethereum/go-ethereum/rpc/shared" |
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"github.com/peterh/liner" |
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"github.com/robertkrimen/otto" |
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) |
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type prompter interface { |
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AppendHistory(string) |
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Prompt(p string) (string, error) |
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PasswordPrompt(p string) (string, error) |
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} |
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type dumbterm struct{ r *bufio.Reader } |
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func (r dumbterm) Prompt(p string) (string, error) { |
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fmt.Print(p) |
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line, err := r.r.ReadString('\n') |
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return strings.TrimSuffix(line, "\n"), err |
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} |
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func (r dumbterm) PasswordPrompt(p string) (string, error) { |
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fmt.Println("!! Unsupported terminal, password will echo.") |
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fmt.Print(p) |
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input, err := bufio.NewReader(os.Stdin).ReadString('\n') |
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fmt.Println() |
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return input, err |
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} |
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func (r dumbterm) AppendHistory(string) {} |
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type jsre struct { |
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re *re.JSRE |
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wait chan *big.Int |
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ps1 string |
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atexit func() |
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datadir string |
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prompter |
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} |
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var ( |
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loadedModulesMethods map[string][]string |
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) |
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func loadAutoCompletion(js *jsre, ipcpath string) { |
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modules, err := js.suportedApis(ipcpath) |
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if err != nil { |
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utils.Fatalf("Unable to determine supported modules - %v", err) |
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} |
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loadedModulesMethods = make(map[string][]string) |
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for module, _ := range modules { |
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loadedModulesMethods[module] = api.AutoCompletion[module] |
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} |
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} |
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func keywordCompleter(line string) []string { |
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results := make([]string, 0) |
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if strings.Contains(line, ".") { |
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elements := strings.Split(line, ".") |
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if len(elements) == 2 { |
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module := elements[0] |
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partialMethod := elements[1] |
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if methods, found := loadedModulesMethods[module]; found { |
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for _, method := range methods { |
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if strings.HasPrefix(method, partialMethod) { // e.g. debug.se
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results = append(results, module+"."+method) |
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} |
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} |
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} |
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} |
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} else { |
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for module, methods := range loadedModulesMethods { |
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if line == module { // user typed in full module name, show all methods
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for _, method := range methods { |
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results = append(results, module+"."+method) |
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} |
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} else if strings.HasPrefix(module, line) { // partial method name, e.g. admi
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results = append(results, module) |
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} |
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} |
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} |
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return results |
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} |
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func apiWordCompleter(line string, pos int) (head string, completions []string, tail string) { |
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if len(line) == 0 { |
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return "", nil, "" |
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} |
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i := 0 |
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for i = pos - 1; i > 0; i-- { |
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if line[i] == '.' || (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') { |
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continue |
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} |
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if i >= 3 && line[i] == '3' && line[i-3] == 'w' && line[i-2] == 'e' && line[i-1] == 'b' { |
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continue |
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} |
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i += 1 |
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break |
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} |
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begin := line[:i] |
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keyword := line[i:pos] |
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end := line[pos:] |
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completionWords := keywordCompleter(keyword) |
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return begin, completionWords, end |
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} |
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func newJSRE(libPath, ipcpath string) *jsre { |
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js := &jsre{ps1: "> "} |
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js.wait = make(chan *big.Int) |
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// update state in separare forever blocks
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js.re = re.New(libPath) |
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js.apiBindings(ipcpath) |
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if !liner.TerminalSupported() { |
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js.prompter = dumbterm{bufio.NewReader(os.Stdin)} |
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} else { |
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lr := liner.NewLiner() |
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js.withHistory(func(hist *os.File) { lr.ReadHistory(hist) }) |
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lr.SetCtrlCAborts(true) |
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loadAutoCompletion(js, ipcpath) |
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lr.SetWordCompleter(apiWordCompleter) |
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lr.SetTabCompletionStyle(liner.TabPrints) |
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js.prompter = lr |
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js.atexit = func() { |
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js.withHistory(func(hist *os.File) { hist.Truncate(0); lr.WriteHistory(hist) }) |
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lr.Close() |
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close(js.wait) |
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} |
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} |
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return js |
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} |
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func (js *jsre) apiBindings(ipcpath string) { |
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ethApi := rpc.NewEthereumApi(nil) |
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jeth := rpc.NewJeth(ethApi, js.re, ipcpath) |
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js.re.Set("jeth", struct{}{}) |
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t, _ := js.re.Get("jeth") |
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jethObj := t.Object() |
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jethObj.Set("send", jeth.SendIpc) |
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jethObj.Set("sendAsync", jeth.SendIpc) |
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err := js.re.Compile("bignumber.js", re.BigNumber_JS) |
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if err != nil { |
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utils.Fatalf("Error loading bignumber.js: %v", err) |
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} |
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err = js.re.Compile("ethereum.js", re.Web3_JS) |
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if err != nil { |
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utils.Fatalf("Error loading web3.js: %v", err) |
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} |
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_, err = js.re.Eval("var web3 = require('web3');") |
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if err != nil { |
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utils.Fatalf("Error requiring web3: %v", err) |
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} |
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_, err = js.re.Eval("web3.setProvider(jeth)") |
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if err != nil { |
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utils.Fatalf("Error setting web3 provider: %v", err) |
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} |
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apis, err := js.suportedApis(ipcpath) |
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if err != nil { |
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utils.Fatalf("Unable to determine supported api's: %v", err) |
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} |
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// load only supported API's in javascript runtime
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shortcuts := "var eth = web3.eth; " |
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for apiName, _ := range apis { |
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if apiName == api.Web3ApiName || apiName == api.EthApiName { |
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continue // manually mapped
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} |
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if err = js.re.Compile(fmt.Sprintf("%s.js", apiName), api.Javascript(apiName)); err == nil { |
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shortcuts += fmt.Sprintf("var %s = web3.%s; ", apiName, apiName) |
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} else { |
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utils.Fatalf("Error loading %s.js: %v", apiName, err) |
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} |
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} |
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_, err = js.re.Eval(shortcuts) |
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if err != nil { |
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utils.Fatalf("Error setting namespaces: %v", err) |
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} |
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js.re.Eval(globalRegistrar + "registrar = GlobalRegistrar.at(\"" + globalRegistrarAddr + "\");") |
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} |
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var ds = docserver.New("/") |
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/* |
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func (self *jsre) ConfirmTransaction(tx string) bool { |
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if self.ethereum.NatSpec { |
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notice := natspec.GetNotice(self.xeth, tx, ds) |
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fmt.Println(notice) |
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answer, _ := self.Prompt("Confirm Transaction [y/n]") |
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return strings.HasPrefix(strings.Trim(answer, " "), "y") |
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} else { |
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return true |
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} |
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} |
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func (self *jsre) UnlockAccount(addr []byte) bool { |
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fmt.Printf("Please unlock account %x.\n", addr) |
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pass, err := self.PasswordPrompt("Passphrase: ") |
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if err != nil { |
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return false |
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} |
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// TODO: allow retry
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if err := self.ethereum.AccountManager().Unlock(common.BytesToAddress(addr), pass); err != nil { |
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return false |
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} else { |
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fmt.Println("Account is now unlocked for this session.") |
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return true |
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} |
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} |
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*/ |
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func (self *jsre) exec(filename string) error { |
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if err := self.re.Exec(filename); err != nil { |
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self.re.Stop(false) |
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return fmt.Errorf("Javascript Error: %v", err) |
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} |
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self.re.Stop(true) |
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return nil |
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} |
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func (self *jsre) suportedApis(ipcpath string) (map[string]string, error) { |
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config := comms.IpcConfig{ |
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Endpoint: ipcpath, |
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} |
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client, err := comms.NewIpcClient(config, codec.JSON) |
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if err != nil { |
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return nil, err |
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} |
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req := shared.Request{ |
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Id: 1, |
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Jsonrpc: "2.0", |
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Method: "modules", |
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} |
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err = client.Send(req) |
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if err != nil { |
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return nil, err |
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} |
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res, err := client.Recv() |
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if err != nil { |
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return nil, err |
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} |
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if sucRes, ok := res.(shared.SuccessResponse); ok { |
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data, _ := json.Marshal(sucRes.Result) |
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apis := make(map[string]string) |
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err = json.Unmarshal(data, &apis) |
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if err == nil { |
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return apis, nil |
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} |
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} |
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return nil, fmt.Errorf("Unable to determine supported API's") |
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} |
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// show summary of current geth instance
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func (self *jsre) welcome(ipcpath string) { |
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self.re.Eval(`console.log('instance: ' + web3.version.client);`) |
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self.re.Eval(`console.log(' datadir: ' + admin.datadir);`) |
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self.re.Eval(`console.log("coinbase: " + eth.coinbase);`) |
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self.re.Eval(`var lastBlockTimestamp = 1000 * eth.getBlock(eth.blockNumber).timestamp`) |
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self.re.Eval(`console.log("at block: " + eth.blockNumber + " (" + new Date(lastBlockTimestamp).toLocaleDateString() |
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+ " " + new Date(lastBlockTimestamp).toLocaleTimeString() + ")");`) |
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if modules, err := self.suportedApis(ipcpath); err == nil { |
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loadedModules := make([]string, 0) |
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for api, version := range modules { |
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loadedModules = append(loadedModules, fmt.Sprintf("%s:%s", api, version)) |
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} |
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sort.Strings(loadedModules) |
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self.re.Eval(fmt.Sprintf("var modules = '%s';", strings.Join(loadedModules, " "))) |
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self.re.Eval(`console.log(" modules: " + modules);`) |
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} |
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} |
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func (self *jsre) batch(args cli.Args) { |
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statement := strings.Join(args, " ") |
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val, err := self.re.Run(statement) |
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if err != nil { |
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fmt.Printf("error: %v", err) |
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} else if val.IsDefined() && val.IsObject() { |
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obj, _ := self.re.Get("ret_result") |
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fmt.Printf("%v", obj) |
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} else if val.IsDefined() { |
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fmt.Printf("%v", val) |
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} |
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if self.atexit != nil { |
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self.atexit() |
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} |
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self.re.Stop(false) |
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} |
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func (self *jsre) interactive(ipcpath string) { |
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self.welcome(ipcpath) |
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// Read input lines.
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prompt := make(chan string) |
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inputln := make(chan string) |
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go func() { |
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defer close(inputln) |
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for { |
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line, err := self.Prompt(<-prompt) |
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if err != nil { |
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return |
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} |
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inputln <- line |
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} |
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}() |
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// Wait for Ctrl-C, too.
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sig := make(chan os.Signal, 1) |
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signal.Notify(sig, os.Interrupt) |
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defer func() { |
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if self.atexit != nil { |
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self.atexit() |
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} |
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self.re.Stop(false) |
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}() |
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for { |
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prompt <- self.ps1 |
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select { |
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case <-sig: |
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fmt.Println("caught interrupt, exiting") |
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return |
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case input, ok := <-inputln: |
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if !ok || indentCount <= 0 && input == "exit" { |
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return |
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} |
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if input == "" { |
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continue |
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} |
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str += input + "\n" |
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self.setIndent() |
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if indentCount <= 0 { |
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hist := str[:len(str)-1] |
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self.AppendHistory(hist) |
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self.parseInput(str) |
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str = "" |
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} |
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} |
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} |
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} |
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|
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func (self *jsre) withHistory(op func(*os.File)) { |
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hist, err := os.OpenFile(filepath.Join(self.datadir, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm) |
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if err != nil { |
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fmt.Printf("unable to open history file: %v\n", err) |
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return |
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} |
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op(hist) |
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hist.Close() |
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} |
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|
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func (self *jsre) parseInput(code string) { |
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defer func() { |
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if r := recover(); r != nil { |
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fmt.Println("[native] error", r) |
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} |
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}() |
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value, err := self.re.Run(code) |
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if err != nil { |
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if ottoErr, ok := err.(*otto.Error); ok { |
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fmt.Println(ottoErr.String()) |
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} else { |
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fmt.Println(err) |
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} |
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return |
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} |
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self.printValue(value) |
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} |
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|
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var indentCount = 0 |
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var str = "" |
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|
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func (self *jsre) setIndent() { |
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open := strings.Count(str, "{") |
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open += strings.Count(str, "(") |
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closed := strings.Count(str, "}") |
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closed += strings.Count(str, ")") |
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indentCount = open - closed |
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if indentCount <= 0 { |
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self.ps1 = "> " |
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} else { |
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self.ps1 = strings.Join(make([]string, indentCount*2), "..") |
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self.ps1 += " " |
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} |
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} |
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|
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func (self *jsre) printValue(v interface{}) { |
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val, err := self.re.PrettyPrint(v) |
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if err == nil { |
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fmt.Printf("%v", val) |
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} |
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} |
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Loading…
Reference in new issue