552 lines
14 KiB
Go
552 lines
14 KiB
Go
// 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 "C"
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"math/big"
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"path"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/chain"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/miner"
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"github.com/ethereum/go-ethereum/wire"
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"github.com/ethereum/go-ethereum/xeth"
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"gopkg.in/qml.v1"
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)
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/*
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func LoadExtension(path string) (uintptr, error) {
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lib, err := ffi.NewLibrary(path)
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if err != nil {
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return 0, err
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}
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so, err := lib.Fct("sharedObject", ffi.Pointer, nil)
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if err != nil {
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return 0, err
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}
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ptr := so()
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err = lib.Close()
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if err != nil {
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return 0, err
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}
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return ptr.Interface().(uintptr), nil
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}
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*/
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var guilogger = logger.NewLogger("GUI")
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type Gui struct {
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// The main application window
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win *qml.Window
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// QML Engine
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engine *qml.Engine
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component *qml.Common
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qmlDone bool
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// The ethereum interface
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eth *eth.Ethereum
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// The public Ethereum library
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uiLib *UiLib
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txDb *ethdb.LDBDatabase
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logLevel logger.LogLevel
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open bool
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pipe *xeth.JSXEth
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Session string
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clientIdentity *wire.SimpleClientIdentity
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config *ethutil.ConfigManager
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plugins map[string]plugin
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miner *miner.Miner
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stdLog logger.LogSystem
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}
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// Create GUI, but doesn't start it
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func NewWindow(ethereum *eth.Ethereum, config *ethutil.ConfigManager, clientIdentity *wire.SimpleClientIdentity, session string, logLevel int) *Gui {
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db, err := ethdb.NewLDBDatabase("tx_database")
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if err != nil {
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panic(err)
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}
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pipe := xeth.NewJSXEth(ethereum)
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gui := &Gui{eth: ethereum, txDb: db, pipe: pipe, logLevel: logger.LogLevel(logLevel), Session: session, open: false, clientIdentity: clientIdentity, config: config, plugins: make(map[string]plugin)}
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data, _ := ethutil.ReadAllFile(path.Join(ethutil.Config.ExecPath, "plugins.json"))
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json.Unmarshal([]byte(data), &gui.plugins)
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return gui
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}
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func (gui *Gui) Start(assetPath string) {
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defer gui.txDb.Close()
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// Register ethereum functions
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qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{
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Init: func(p *xeth.JSBlock, obj qml.Object) { p.Number = 0; p.Hash = "" },
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}, {
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Init: func(p *xeth.JSTransaction, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
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}, {
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Init: func(p *xeth.KeyVal, obj qml.Object) { p.Key = ""; p.Value = "" },
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}})
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// Create a new QML engine
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gui.engine = qml.NewEngine()
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context := gui.engine.Context()
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gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath)
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// Expose the eth library and the ui library to QML
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context.SetVar("gui", gui)
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context.SetVar("eth", gui.uiLib)
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/*
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vec, errr := LoadExtension("/Users/jeffrey/Desktop/build-libqmltest-Desktop_Qt_5_2_1_clang_64bit-Debug/liblibqmltest_debug.dylib")
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fmt.Printf("Fetched vec with addr: %#x\n", vec)
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if errr != nil {
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fmt.Println(errr)
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} else {
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context.SetVar("vec", (unsafe.Pointer)(vec))
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}
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*/
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// Load the main QML interface
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data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
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var win *qml.Window
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var err error
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var addlog = false
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if len(data) == 0 {
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win, err = gui.showKeyImport(context)
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} else {
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win, err = gui.showWallet(context)
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addlog = true
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}
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if err != nil {
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guilogger.Errorln("asset not found: you can set an alternative asset path on the command line using option 'asset_path'", err)
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panic(err)
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}
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guilogger.Infoln("Starting GUI")
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gui.open = true
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win.Show()
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// only add the gui guilogger after window is shown otherwise slider wont be shown
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if addlog {
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logger.AddLogSystem(gui)
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}
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win.Wait()
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// need to silence gui guilogger after window closed otherwise logsystem hangs (but do not save loglevel)
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gui.logLevel = logger.Silence
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gui.open = false
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}
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func (gui *Gui) Stop() {
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if gui.open {
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gui.logLevel = logger.Silence
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gui.open = false
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gui.win.Hide()
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}
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gui.uiLib.jsEngine.Stop()
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guilogger.Infoln("Stopped")
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}
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func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
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component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/main.qml"))
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if err != nil {
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return nil, err
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}
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gui.win = gui.createWindow(component)
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gui.update()
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return gui.win, nil
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}
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// The done handler will be called by QML when all views have been loaded
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func (gui *Gui) Done() {
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gui.qmlDone = true
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}
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func (gui *Gui) ImportKey(filePath string) {
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}
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func (gui *Gui) showKeyImport(context *qml.Context) (*qml.Window, error) {
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context.SetVar("lib", gui)
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component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/first_run.qml"))
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if err != nil {
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return nil, err
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}
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return gui.createWindow(component), nil
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}
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func (gui *Gui) createWindow(comp qml.Object) *qml.Window {
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win := comp.CreateWindow(nil)
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gui.win = win
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gui.uiLib.win = win
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return gui.win
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}
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func (gui *Gui) ImportAndSetPrivKey(secret string) bool {
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err := gui.eth.KeyManager().InitFromString(gui.Session, 0, secret)
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if err != nil {
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guilogger.Errorln("unable to import: ", err)
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return false
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}
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guilogger.Errorln("successfully imported: ", err)
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return true
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}
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func (gui *Gui) CreateAndSetPrivKey() (string, string, string, string) {
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err := gui.eth.KeyManager().Init(gui.Session, 0, true)
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if err != nil {
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guilogger.Errorln("unable to create key: ", err)
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return "", "", "", ""
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}
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return gui.eth.KeyManager().KeyPair().AsStrings()
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}
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func (gui *Gui) setInitialChainManager() {
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sBlk := gui.eth.ChainManager().LastBlockHash
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blk := gui.eth.ChainManager().GetBlock(sBlk)
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for ; blk != nil; blk = gui.eth.ChainManager().GetBlock(sBlk) {
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sBlk = blk.PrevHash
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addr := gui.address()
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// Loop through all transactions to see if we missed any while being offline
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for _, tx := range blk.Transactions() {
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if bytes.Compare(tx.Sender(), addr) == 0 || bytes.Compare(tx.Recipient, addr) == 0 {
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if ok, _ := gui.txDb.Get(tx.Hash()); ok == nil {
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gui.txDb.Put(tx.Hash(), tx.RlpEncode())
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}
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}
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}
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gui.processBlock(blk, true)
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}
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}
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type address struct {
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Name, Address string
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}
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func (gui *Gui) loadAddressBook() {
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view := gui.getObjectByName("infoView")
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view.Call("clearAddress")
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nameReg := gui.pipe.World().Config().Get("NameReg")
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if nameReg != nil {
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nameReg.EachStorage(func(name string, value *ethutil.Value) {
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if name[0] != 0 {
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value.Decode()
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view.Call("addAddress", struct{ Name, Address string }{name, ethutil.Bytes2Hex(value.Bytes())})
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}
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})
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}
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}
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func (gui *Gui) insertTransaction(window string, tx *chain.Transaction) {
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pipe := xeth.New(gui.eth)
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nameReg := pipe.World().Config().Get("NameReg")
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addr := gui.address()
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var inout string
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if bytes.Compare(tx.Sender(), addr) == 0 {
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inout = "send"
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} else {
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inout = "recv"
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}
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var (
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ptx = xeth.NewJSTx(tx, pipe.World().State())
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send = nameReg.Storage(tx.Sender())
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rec = nameReg.Storage(tx.Recipient)
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s, r string
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)
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if tx.CreatesContract() {
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rec = nameReg.Storage(tx.CreationAddress(pipe.World().State()))
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}
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if send.Len() != 0 {
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s = strings.Trim(send.Str(), "\x00")
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} else {
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s = ethutil.Bytes2Hex(tx.Sender())
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}
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if rec.Len() != 0 {
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r = strings.Trim(rec.Str(), "\x00")
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} else {
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if tx.CreatesContract() {
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r = ethutil.Bytes2Hex(tx.CreationAddress(pipe.World().State()))
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} else {
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r = ethutil.Bytes2Hex(tx.Recipient)
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}
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}
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ptx.Sender = s
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ptx.Address = r
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if window == "post" {
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//gui.getObjectByName("transactionView").Call("addTx", ptx, inout)
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} else {
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gui.getObjectByName("pendingTxView").Call("addTx", ptx, inout)
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}
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}
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func (gui *Gui) readPreviousTransactions() {
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it := gui.txDb.NewIterator()
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for it.Next() {
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tx := chain.NewTransactionFromBytes(it.Value())
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gui.insertTransaction("post", tx)
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}
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it.Release()
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}
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func (gui *Gui) processBlock(block *chain.Block, initial bool) {
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name := strings.Trim(gui.pipe.World().Config().Get("NameReg").Storage(block.Coinbase).Str(), "\x00")
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b := xeth.NewJSBlock(block)
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b.Name = name
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gui.getObjectByName("chainView").Call("addBlock", b, initial)
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}
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func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
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var str string
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if unconfirmedFunds != nil {
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pos := "+"
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if unconfirmedFunds.Cmp(big.NewInt(0)) < 0 {
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pos = "-"
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}
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val := ethutil.CurrencyToString(new(big.Int).Abs(ethutil.BigCopy(unconfirmedFunds)))
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str = fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(amount), pos, val)
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} else {
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str = fmt.Sprintf("%v", ethutil.CurrencyToString(amount))
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}
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gui.win.Root().Call("setWalletValue", str)
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}
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func (self *Gui) getObjectByName(objectName string) qml.Object {
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return self.win.Root().ObjectByName(objectName)
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}
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// Simple go routine function that updates the list of peers in the GUI
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func (gui *Gui) update() {
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// We have to wait for qml to be done loading all the windows.
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for !gui.qmlDone {
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time.Sleep(500 * time.Millisecond)
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}
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go func() {
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go gui.setInitialChainManager()
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gui.loadAddressBook()
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gui.setPeerInfo()
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gui.readPreviousTransactions()
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}()
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for _, plugin := range gui.plugins {
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guilogger.Infoln("Loading plugin ", plugin.Name)
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gui.win.Root().Call("addPlugin", plugin.Path, "")
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}
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peerUpdateTicker := time.NewTicker(5 * time.Second)
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generalUpdateTicker := time.NewTicker(500 * time.Millisecond)
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statsUpdateTicker := time.NewTicker(5 * time.Second)
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state := gui.eth.StateManager().TransState()
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unconfirmedFunds := new(big.Int)
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gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Balance())))
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lastBlockLabel := gui.getObjectByName("lastBlockLabel")
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miningLabel := gui.getObjectByName("miningLabel")
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events := gui.eth.EventMux().Subscribe(
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eth.ChainSyncEvent{},
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eth.PeerListEvent{},
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chain.NewBlockEvent{},
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chain.TxPreEvent{},
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chain.TxPostEvent{},
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miner.Event{},
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)
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// nameReg := gui.pipe.World().Config().Get("NameReg")
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// mux.Subscribe("object:"+string(nameReg.Address()), objectChan)
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go func() {
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defer events.Unsubscribe()
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for {
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select {
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case ev, isopen := <-events.Chan():
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if !isopen {
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return
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}
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switch ev := ev.(type) {
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case chain.NewBlockEvent:
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gui.processBlock(ev.Block, false)
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if bytes.Compare(ev.Block.Coinbase, gui.address()) == 0 {
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gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Balance(), nil)
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}
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case chain.TxPreEvent:
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tx := ev.Tx
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object := state.GetAccount(gui.address())
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if bytes.Compare(tx.Sender(), gui.address()) == 0 {
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unconfirmedFunds.Sub(unconfirmedFunds, tx.Value)
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} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
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unconfirmedFunds.Add(unconfirmedFunds, tx.Value)
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}
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gui.setWalletValue(object.Balance(), unconfirmedFunds)
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gui.insertTransaction("pre", tx)
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case chain.TxPostEvent:
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tx := ev.Tx
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object := state.GetAccount(gui.address())
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if bytes.Compare(tx.Sender(), gui.address()) == 0 {
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object.SubAmount(tx.Value)
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//gui.getObjectByName("transactionView").Call("addTx", xeth.NewJSTx(tx), "send")
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gui.txDb.Put(tx.Hash(), tx.RlpEncode())
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} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
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object.AddAmount(tx.Value)
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//gui.getObjectByName("transactionView").Call("addTx", xeth.NewJSTx(tx), "recv")
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gui.txDb.Put(tx.Hash(), tx.RlpEncode())
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}
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gui.setWalletValue(object.Balance(), nil)
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state.UpdateStateObject(object)
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// case object:
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// gui.loadAddressBook()
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case eth.PeerListEvent:
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gui.setPeerInfo()
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case miner.Event:
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if ev.Type == miner.Started {
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gui.miner = ev.Miner
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} else {
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gui.miner = nil
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}
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}
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case <-peerUpdateTicker.C:
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gui.setPeerInfo()
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case <-generalUpdateTicker.C:
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statusText := "#" + gui.eth.ChainManager().CurrentBlock.Number.String()
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lastBlockLabel.Set("text", statusText)
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if gui.miner != nil {
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pow := gui.miner.GetPow()
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miningLabel.Set("text", "Mining @ "+strconv.FormatInt(pow.GetHashrate(), 10)+"Khash")
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}
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blockLength := gui.eth.BlockPool().BlocksProcessed
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chainLength := gui.eth.BlockPool().ChainLength
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var (
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pct float64 = 1.0 / float64(chainLength) * float64(blockLength)
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dlWidget = gui.win.Root().ObjectByName("downloadIndicator")
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dlLabel = gui.win.Root().ObjectByName("downloadLabel")
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)
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dlWidget.Set("value", pct)
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dlLabel.Set("text", fmt.Sprintf("%d / %d", blockLength, chainLength))
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case <-statsUpdateTicker.C:
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gui.setStatsPane()
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}
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}
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}()
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}
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func (gui *Gui) setStatsPane() {
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var memStats runtime.MemStats
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runtime.ReadMemStats(&memStats)
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statsPane := gui.getObjectByName("statsPane")
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statsPane.Set("text", fmt.Sprintf(`###### Mist 0.6.8 (%s) #######
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eth %d (p2p = %d)
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CPU: # %d
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Goroutines: # %d
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CGoCalls: # %d
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Alloc: %d
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Heap Alloc: %d
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CGNext: %x
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NumGC: %d
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`, runtime.Version(),
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eth.ProtocolVersion, eth.P2PVersion,
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runtime.NumCPU, runtime.NumGoroutine(), runtime.NumCgoCall(),
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memStats.Alloc, memStats.HeapAlloc,
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memStats.NextGC, memStats.NumGC,
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))
|
|
}
|
|
|
|
func (gui *Gui) setPeerInfo() {
|
|
gui.win.Root().Call("setPeers", fmt.Sprintf("%d / %d", gui.eth.PeerCount(), gui.eth.MaxPeers))
|
|
|
|
gui.win.Root().Call("resetPeers")
|
|
for _, peer := range gui.pipe.Peers() {
|
|
gui.win.Root().Call("addPeer", peer)
|
|
}
|
|
}
|
|
|
|
func (gui *Gui) privateKey() string {
|
|
return ethutil.Bytes2Hex(gui.eth.KeyManager().PrivateKey())
|
|
}
|
|
|
|
func (gui *Gui) address() []byte {
|
|
return gui.eth.KeyManager().Address()
|
|
}
|