diff options
Diffstat (limited to 'ui/gui.go')
| -rw-r--r-- | ui/gui.go | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/ui/gui.go b/ui/gui.go deleted file mode 100644 index c8f4bedab..000000000 --- a/ui/gui.go +++ /dev/null @@ -1,218 +0,0 @@ -package ethui - -import ( - "bytes" - "encoding/hex" - "fmt" - "github.com/ethereum/eth-go" - "github.com/ethereum/eth-go/ethchain" - "github.com/ethereum/eth-go/ethdb" - "github.com/ethereum/eth-go/ethutil" - "github.com/niemeyer/qml" - "math/big" - "strings" -) - -// Block interface exposed to QML -type Block struct { - Number int - Hash string -} - -type Tx struct { - Value, Hash, Address string -} - -func NewTxFromTransaction(tx *ethchain.Transaction) *Tx { - hash := hex.EncodeToString(tx.Hash()) - sender := hex.EncodeToString(tx.Recipient) - - return &Tx{Hash: hash, Value: ethutil.CurrencyToString(tx.Value), Address: sender} -} - -// Creates a new QML Block from a chain block -func NewBlockFromBlock(block *ethchain.Block) *Block { - info := block.BlockInfo() - hash := hex.EncodeToString(block.Hash()) - - return &Block{Number: int(info.Number), Hash: hash} -} - -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 - - txDb *ethdb.LDBDatabase - - addr []byte -} - -// Create GUI, but doesn't start it -func New(ethereum *eth.Ethereum) *Gui { - lib := &EthLib{stateManager: ethereum.StateManager(), blockChain: ethereum.BlockChain(), txPool: ethereum.TxPool()} - db, err := ethdb.NewLDBDatabase("tx_database") - if err != nil { - panic(err) - } - - key := ethutil.Config.Db.GetKeys()[0] - addr := key.Address() - - ethereum.StateManager().WatchAddr(addr) - - return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr} -} - -func (ui *Gui) Start() { - defer ui.txDb.Close() - - // Register ethereum functions - qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{ - Init: func(p *Block, obj qml.Object) { p.Number = 0; p.Hash = "" }, - }, { - Init: func(p *Tx, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" }, - }}) - - ethutil.Config.SetClientString(fmt.Sprintf("/Ethereal v%s", "0.1")) - ethutil.Config.Log.Infoln("[GUI] Starting GUI") - // Create a new QML engine - ui.engine = qml.NewEngine() - context := ui.engine.Context() - - // Expose the eth library and the ui library to QML - context.SetVar("eth", ui.lib) - context.SetVar("ui", &UiLib{engine: ui.engine, eth: ui.eth}) - - // Load the main QML interface - component, err := ui.engine.LoadFile(AssetPath("qml/wallet.qml")) - if err != nil { - panic(err) - } - ui.engine.LoadFile(AssetPath("qml/transactions.qml")) - - ui.win = component.CreateWindow(nil) - - // Register the ui as a block processor - //ui.eth.BlockManager.SecondaryBlockProcessor = ui - //ui.eth.TxPool.SecondaryProcessor = ui - - // Add the ui as a log system so we can log directly to the UGI - ethutil.Config.Log.AddLogSystem(ui) - - // Loads previous blocks - go ui.setInitialBlockChain() - go ui.readPreviousTransactions() - go ui.update() - - ui.win.Show() - ui.win.Wait() - - ui.eth.Stop() -} - -func (ui *Gui) setInitialBlockChain() { - // Load previous 10 blocks - chain := ui.eth.BlockChain().GetChain(ui.eth.BlockChain().CurrentBlock.Hash(), 10) - for _, block := range chain { - ui.ProcessBlock(block) - } - -} - -func (ui *Gui) readPreviousTransactions() { - it := ui.txDb.Db().NewIterator(nil, nil) - for it.Next() { - tx := ethchain.NewTransactionFromBytes(it.Value()) - - ui.win.Root().Call("addTx", NewTxFromTransaction(tx)) - } - it.Release() -} - -func (ui *Gui) ProcessBlock(block *ethchain.Block) { - ui.win.Root().Call("addBlock", NewBlockFromBlock(block)) -} - -// Simple go routine function that updates the list of peers in the GUI -func (ui *Gui) update() { - txChan := make(chan ethchain.TxMsg, 1) - ui.eth.TxPool().Subscribe(txChan) - - account := ui.eth.StateManager().GetAddrState(ui.addr).Account - unconfirmedFunds := new(big.Int) - ui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(account.Amount))) - for { - select { - case txMsg := <-txChan: - tx := txMsg.Tx - - if txMsg.Type == ethchain.TxPre { - if bytes.Compare(tx.Sender(), ui.addr) == 0 { - ui.win.Root().Call("addTx", NewTxFromTransaction(tx)) - ui.txDb.Put(tx.Hash(), tx.RlpEncode()) - - ui.eth.StateManager().GetAddrState(ui.addr).Nonce += 1 - unconfirmedFunds.Sub(unconfirmedFunds, tx.Value) - } else if bytes.Compare(tx.Recipient, ui.addr) == 0 { - ui.win.Root().Call("addTx", NewTxFromTransaction(tx)) - ui.txDb.Put(tx.Hash(), tx.RlpEncode()) - - unconfirmedFunds.Add(unconfirmedFunds, tx.Value) - } - - 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(account.Amount), pos, val) - - ui.win.Root().Call("setWalletValue", str) - } else { - amount := account.Amount - if bytes.Compare(tx.Sender(), ui.addr) == 0 { - amount.Sub(account.Amount, tx.Value) - } else if bytes.Compare(tx.Recipient, ui.addr) == 0 { - amount.Add(account.Amount, tx.Value) - } - - ui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(amount))) - } - } - - /* - accountAmount := ui.eth.BlockManager.GetAddrState(ui.addr).Account.Amount - ui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", accountAmount)) - - ui.win.Root().Call("setPeers", fmt.Sprintf("%d / %d", ui.eth.Peers().Len(), ui.eth.MaxPeers)) - - time.Sleep(1 * time.Second) - */ - - } -} - -// Logging functions that log directly to the GUI interface -func (ui *Gui) Println(v ...interface{}) { - str := strings.TrimRight(fmt.Sprintln(v...), "\n") - lines := strings.Split(str, "\n") - for _, line := range lines { - ui.win.Root().Call("addLog", line) - } -} - -func (ui *Gui) Printf(format string, v ...interface{}) { - str := strings.TrimRight(fmt.Sprintf(format, v...), "\n") - lines := strings.Split(str, "\n") - for _, line := range lines { - ui.win.Root().Call("addLog", line) - } -} |