21d86ca486
- introduce gui.Stop() - remember state with open - stopping ethereum stack is not gui concern, moved to main - stopping mining, gui and ethereum handled via interrupt callbacks - ^C triggers exactly the same behaviour as quit via menu
394 lines
10 KiB
Go
394 lines
10 KiB
Go
package ethui
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"github.com/ethereum/eth-go"
|
|
"github.com/ethereum/eth-go/ethchain"
|
|
"github.com/ethereum/eth-go/ethdb"
|
|
"github.com/ethereum/eth-go/ethpub"
|
|
"github.com/ethereum/eth-go/ethutil"
|
|
"github.com/ethereum/eth-go/ethlog"
|
|
"github.com/ethereum/go-ethereum/utils"
|
|
"github.com/go-qml/qml"
|
|
"math/big"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
var logger = ethlog.NewLogger("GUI")
|
|
|
|
type Gui struct {
|
|
// The main application window
|
|
win *qml.Window
|
|
// QML Engine
|
|
engine *qml.Engine
|
|
component *qml.Common
|
|
// The ethereum interface
|
|
eth *eth.Ethereum
|
|
|
|
// The public Ethereum library
|
|
lib *EthLib
|
|
uiLib *UiLib
|
|
|
|
txDb *ethdb.LDBDatabase
|
|
|
|
addr []byte
|
|
|
|
pub *ethpub.PEthereum
|
|
logLevel ethlog.LogLevel
|
|
open bool
|
|
}
|
|
|
|
// Create GUI, but doesn't start it
|
|
func New(ethereum *eth.Ethereum, logLevel int) *Gui {
|
|
lib := &EthLib{stateManager: ethereum.StateManager(), blockChain: ethereum.BlockChain(), txPool: ethereum.TxPool()}
|
|
db, err := ethdb.NewLDBDatabase("tx_database")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
// On first run we won't have any keys yet, so this would crash.
|
|
// Therefor we check if we are ready to actually start this process
|
|
var addr []byte
|
|
if ethutil.GetKeyRing().Len() != 0 {
|
|
addr = ethutil.GetKeyRing().Get(0).Address()
|
|
}
|
|
|
|
pub := ethpub.NewPEthereum(ethereum)
|
|
|
|
return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr, pub: pub, logLevel: ethlog.LogLevel(logLevel), open: false}
|
|
}
|
|
|
|
func (gui *Gui) Start(assetPath string) {
|
|
const version = "0.5.0 RC14"
|
|
|
|
defer gui.txDb.Close()
|
|
|
|
// Register ethereum functions
|
|
qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{
|
|
Init: func(p *ethpub.PBlock, obj qml.Object) { p.Number = 0; p.Hash = "" },
|
|
}, {
|
|
Init: func(p *ethpub.PTx, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
|
|
}, {
|
|
Init: func(p *ethpub.KeyVal, obj qml.Object) { p.Key = ""; p.Value = "" },
|
|
}})
|
|
|
|
ethutil.Config.SetClientString("Ethereal")
|
|
|
|
// Create a new QML engine
|
|
gui.engine = qml.NewEngine()
|
|
context := gui.engine.Context()
|
|
|
|
// Expose the eth library and the ui library to QML
|
|
context.SetVar("eth", gui)
|
|
context.SetVar("pub", gui.pub)
|
|
gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath)
|
|
context.SetVar("ui", gui.uiLib)
|
|
|
|
// Load the main QML interface
|
|
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
|
|
|
|
var win *qml.Window
|
|
var err error
|
|
var addlog = false
|
|
if len(data) == 0 {
|
|
win, err = gui.showKeyImport(context)
|
|
} else {
|
|
win, err = gui.showWallet(context)
|
|
addlog = true
|
|
}
|
|
if err != nil {
|
|
logger.Errorln("asset not found: you can set an alternative asset path on the command line using option 'asset_path'", err)
|
|
|
|
panic(err)
|
|
}
|
|
|
|
logger.Infoln("Starting GUI")
|
|
gui.open = true
|
|
win.Show()
|
|
// only add the gui logger after window is shown otherwise slider wont be shown
|
|
if addlog {
|
|
ethlog.AddLogSystem(gui)
|
|
}
|
|
win.Wait()
|
|
// need to silence gui logger after window closed otherwise logsystem hangs
|
|
gui.SetLogLevel(ethlog.Silence)
|
|
gui.open = false
|
|
}
|
|
|
|
func (gui *Gui) Stop() {
|
|
if gui.open {
|
|
gui.SetLogLevel(ethlog.Silence)
|
|
gui.open = false
|
|
gui.win.Hide()
|
|
}
|
|
logger.Infoln("Stopped")
|
|
}
|
|
|
|
func (gui *Gui) ToggleMining() {
|
|
var txt string
|
|
if gui.eth.Mining {
|
|
utils.StopMining(gui.eth)
|
|
txt = "Start mining"
|
|
} else {
|
|
utils.StartMining(gui.eth)
|
|
txt = "Stop mining"
|
|
}
|
|
|
|
gui.win.Root().Set("miningButtonText", txt)
|
|
}
|
|
|
|
func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
|
|
component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/wallet.qml"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
win := gui.createWindow(component)
|
|
|
|
gui.setInitialBlockChain()
|
|
gui.loadAddressBook()
|
|
gui.readPreviousTransactions()
|
|
gui.setPeerInfo()
|
|
|
|
go gui.update()
|
|
|
|
return win, nil
|
|
}
|
|
|
|
func (gui *Gui) showKeyImport(context *qml.Context) (*qml.Window, error) {
|
|
context.SetVar("lib", gui.lib)
|
|
component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/first_run.qml"))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return gui.createWindow(component), nil
|
|
}
|
|
|
|
func (gui *Gui) createWindow(comp qml.Object) *qml.Window {
|
|
win := comp.CreateWindow(nil)
|
|
|
|
gui.win = win
|
|
gui.uiLib.win = win
|
|
|
|
db := &Debugger{gui.win, make(chan bool), make(chan bool), true, false}
|
|
gui.lib.Db = db
|
|
gui.uiLib.Db = db
|
|
|
|
return gui.win
|
|
}
|
|
func (gui *Gui) setInitialBlockChain() {
|
|
sBlk := gui.eth.BlockChain().LastBlockHash
|
|
blk := gui.eth.BlockChain().GetBlock(sBlk)
|
|
for ; blk != nil; blk = gui.eth.BlockChain().GetBlock(sBlk) {
|
|
sBlk = blk.PrevHash
|
|
|
|
// Loop through all transactions to see if we missed any while being offline
|
|
for _, tx := range blk.Transactions() {
|
|
if bytes.Compare(tx.Sender(), gui.addr) == 0 || bytes.Compare(tx.Recipient, gui.addr) == 0 {
|
|
if ok, _ := gui.txDb.Get(tx.Hash()); ok == nil {
|
|
gui.txDb.Put(tx.Hash(), tx.RlpEncode())
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
gui.processBlock(blk, true)
|
|
}
|
|
}
|
|
|
|
type address struct {
|
|
Name, Address string
|
|
}
|
|
|
|
var namereg = ethutil.FromHex("bb5f186604d057c1c5240ca2ae0f6430138ac010")
|
|
|
|
func (gui *Gui) loadAddressBook() {
|
|
gui.win.Root().Call("clearAddress")
|
|
stateObject := gui.eth.StateManager().CurrentState().GetStateObject(namereg)
|
|
if stateObject != nil {
|
|
stateObject.State().EachStorage(func(name string, value *ethutil.Value) {
|
|
gui.win.Root().Call("addAddress", struct{ Name, Address string }{name, ethutil.Hex(value.Bytes())})
|
|
})
|
|
}
|
|
}
|
|
|
|
func (gui *Gui) readPreviousTransactions() {
|
|
it := gui.txDb.Db().NewIterator(nil, nil)
|
|
for it.Next() {
|
|
tx := ethchain.NewTransactionFromBytes(it.Value())
|
|
|
|
var inout string
|
|
if bytes.Compare(tx.Sender(), gui.addr) == 0 {
|
|
inout = "send"
|
|
} else {
|
|
inout = "recv"
|
|
}
|
|
|
|
gui.win.Root().Call("addTx", ethpub.NewPTx(tx), inout)
|
|
|
|
}
|
|
it.Release()
|
|
}
|
|
|
|
func (gui *Gui) processBlock(block *ethchain.Block, initial bool) {
|
|
gui.win.Root().Call("addBlock", ethpub.NewPBlock(block), initial)
|
|
}
|
|
|
|
func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
|
|
var str string
|
|
if unconfirmedFunds != nil {
|
|
pos := "+"
|
|
if unconfirmedFunds.Cmp(big.NewInt(0)) < 0 {
|
|
pos = "-"
|
|
}
|
|
val := ethutil.CurrencyToString(new(big.Int).Abs(ethutil.BigCopy(unconfirmedFunds)))
|
|
str = fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(amount), pos, val)
|
|
} else {
|
|
str = fmt.Sprintf("%v", ethutil.CurrencyToString(amount))
|
|
}
|
|
|
|
gui.win.Root().Call("setWalletValue", str)
|
|
}
|
|
|
|
// Simple go routine function that updates the list of peers in the GUI
|
|
func (gui *Gui) update() {
|
|
reactor := gui.eth.Reactor()
|
|
|
|
blockChan := make(chan ethutil.React, 1)
|
|
txChan := make(chan ethutil.React, 1)
|
|
objectChan := make(chan ethutil.React, 1)
|
|
peerChan := make(chan ethutil.React, 1)
|
|
|
|
reactor.Subscribe("newBlock", blockChan)
|
|
reactor.Subscribe("newTx:pre", txChan)
|
|
reactor.Subscribe("newTx:post", txChan)
|
|
reactor.Subscribe("object:"+string(namereg), objectChan)
|
|
reactor.Subscribe("peerList", peerChan)
|
|
|
|
ticker := time.NewTicker(5 * time.Second)
|
|
|
|
state := gui.eth.StateManager().TransState()
|
|
|
|
unconfirmedFunds := new(big.Int)
|
|
gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.addr).Amount)))
|
|
|
|
for {
|
|
select {
|
|
case b := <-blockChan:
|
|
block := b.Resource.(*ethchain.Block)
|
|
gui.processBlock(block, false)
|
|
if bytes.Compare(block.Coinbase, gui.addr) == 0 {
|
|
gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.addr).Amount, nil)
|
|
}
|
|
|
|
case txMsg := <-txChan:
|
|
tx := txMsg.Resource.(*ethchain.Transaction)
|
|
|
|
if txMsg.Event == "newTx:pre" {
|
|
object := state.GetAccount(gui.addr)
|
|
|
|
if bytes.Compare(tx.Sender(), gui.addr) == 0 {
|
|
gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "send")
|
|
gui.txDb.Put(tx.Hash(), tx.RlpEncode())
|
|
|
|
unconfirmedFunds.Sub(unconfirmedFunds, tx.Value)
|
|
} else if bytes.Compare(tx.Recipient, gui.addr) == 0 {
|
|
gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "recv")
|
|
gui.txDb.Put(tx.Hash(), tx.RlpEncode())
|
|
|
|
unconfirmedFunds.Add(unconfirmedFunds, tx.Value)
|
|
}
|
|
|
|
gui.setWalletValue(object.Amount, unconfirmedFunds)
|
|
} else {
|
|
object := state.GetAccount(gui.addr)
|
|
if bytes.Compare(tx.Sender(), gui.addr) == 0 {
|
|
object.SubAmount(tx.Value)
|
|
} else if bytes.Compare(tx.Recipient, gui.addr) == 0 {
|
|
object.AddAmount(tx.Value)
|
|
}
|
|
|
|
gui.setWalletValue(object.Amount, nil)
|
|
|
|
state.UpdateStateObject(object)
|
|
}
|
|
case <-objectChan:
|
|
gui.loadAddressBook()
|
|
case <-peerChan:
|
|
gui.setPeerInfo()
|
|
case <-ticker.C:
|
|
gui.setPeerInfo()
|
|
}
|
|
}
|
|
}
|
|
|
|
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.pub.GetPeers() {
|
|
gui.win.Root().Call("addPeer", peer)
|
|
}
|
|
}
|
|
|
|
func (gui *Gui) RegisterName(name string) {
|
|
keyPair := ethutil.GetKeyRing().Get(0)
|
|
name = fmt.Sprintf("\"%s\"\n1", name)
|
|
gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), "namereg", "1000", "1000000", "150", name)
|
|
}
|
|
|
|
func (gui *Gui) Transact(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
|
|
keyPair := ethutil.GetKeyRing().Get(0)
|
|
|
|
return gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), recipient, value, gas, gasPrice, data)
|
|
}
|
|
|
|
func (gui *Gui) Create(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
|
|
keyPair := ethutil.GetKeyRing().Get(0)
|
|
|
|
return gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), recipient, value, gas, gasPrice, data)
|
|
}
|
|
|
|
func (gui *Gui) ChangeClientId(id string) {
|
|
ethutil.Config.SetIdentifier(id)
|
|
}
|
|
|
|
func (gui *Gui) ClientId() string {
|
|
return ethutil.Config.Identifier
|
|
}
|
|
|
|
// functions that allow Gui to implement interface ethlog.LogSystem
|
|
func (gui *Gui) SetLogLevel(level ethlog.LogLevel) {
|
|
gui.logLevel = level
|
|
}
|
|
|
|
func (gui *Gui) GetLogLevel() ethlog.LogLevel {
|
|
return gui.logLevel
|
|
}
|
|
|
|
// this extra function needed to give int typecast value to gui widget
|
|
// that sets initial loglevel to default
|
|
func (gui *Gui) GetLogLevelInt() int {
|
|
return int(gui.logLevel)
|
|
}
|
|
|
|
func (gui *Gui) Println(v ...interface{}) {
|
|
gui.printLog(fmt.Sprintln(v...))
|
|
}
|
|
|
|
func (gui *Gui) Printf(format string, v ...interface{}) {
|
|
gui.printLog(fmt.Sprintf(format, v...))
|
|
}
|
|
|
|
// Print function that logs directly to the GUI
|
|
func (gui *Gui) printLog(s string) {
|
|
str := strings.TrimRight(s, "\n")
|
|
lines := strings.Split(str, "\n")
|
|
for _, line := range lines {
|
|
gui.win.Root().Call("addLog", line)
|
|
}
|
|
}
|