func (gui *Gui) readPreviousTransactions() {
it := gui.txDb.Db().NewIterator(nil, nil)
addr := gui.address()
for it.Next() {
tx := ethchain.NewTransactionFromBytes(it.Value())
var inout string
if bytes.Compare(tx.Sender(), addr) == 0 {
inout = "send"
} else {
inout = "recv"
}
gui.win.Root().Call("addTx", ethpub.NewPTx(tx), inout)
}
it.Release()
}
// Simple go routine function that updates the list of peers in the GUI
func (gui *Gui) update() {
reactor := gui.eth.Reactor()
var (
blockChan = make(chan ethutil.React, 1)
txChan = make(chan ethutil.React, 1)
objectChan = make(chan ethutil.React, 1)
peerChan = make(chan ethutil.React, 1)
chainSyncChan = make(chan ethutil.React, 1)
miningChan = make(chan ethutil.React, 1)
)
reactor.Subscribe("newBlock", blockChan)
reactor.Subscribe("newTx:pre", txChan)
reactor.Subscribe("newTx:post", txChan)
reactor.Subscribe("chainSync", chainSyncChan)
reactor.Subscribe("miner:start", miningChan)
reactor.Subscribe("miner:stop", miningChan)
nameReg := ethpub.EthereumConfig(gui.eth.StateManager()).NameReg()
if nameReg != nil {
reactor.Subscribe("object:"+string(nameReg.Address()), objectChan)
}
reactor.Subscribe("peerList", peerChan)
peerUpdateTicker := time.NewTicker(5 * time.Second)
generalUpdateTicker := time.NewTicker(1 * time.Second)
state := gui.eth.StateManager().TransState()
unconfirmedFunds := new(big.Int)
gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Amount)))
gui.getObjectByName("syncProgressIndicator").Set("visible", !gui.eth.IsUpToDate())
lastBlockLabel := gui.getObjectByName("lastBlockLabel")
for {
select {
case b := <-blockChan:
block := b.Resource.(*ethchain.Block)
gui.processBlock(block, false)
if bytes.Compare(block.Coinbase, gui.address()) == 0 {
gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Amount, nil)
}
case txMsg := <-txChan:
tx := txMsg.Resource.(*ethchain.Transaction)
if txMsg.Event == "newTx:pre" {
object := state.GetAccount(gui.address())
if bytes.Compare(tx.Sender(), gui.address()) == 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.address()) == 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.address())
if bytes.Compare(tx.Sender(), gui.address()) == 0 {
object.SubAmount(tx.Value)
} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
object.AddAmount(tx.Value)
}
gui.setWalletValue(object.Amount, nil)
state.UpdateStateObject(object)
}
case msg := <-chainSyncChan:
sync := msg.Resource.(bool)
gui.win.Root().ObjectByName("syncProgressIndicator").Set("visible", sync)
case <-objectChan:
gui.loadAddressBook()
case <-peerChan:
gui.setPeerInfo()
case <-peerUpdateTicker.C:
gui.setPeerInfo()
case msg := <-miningChan:
if msg.Event == "miner:start" {
gui.miner = msg.Resource.(*ethminer.Miner)
} else {
gui.miner = nil
}
case <-generalUpdateTicker.C:
statusText := "#" + gui.eth.BlockChain().CurrentBlock.Number.String()
if gui.miner != nil {
pow := gui.miner.GetPow()
if pow.GetHashrate() != 0 {
statusText = "Mining @ " + strconv.FormatInt(pow.GetHashrate(), 10) + "Khash - " + statusText
}
}
lastBlockLabel.Set("text", statusText)
}
}
}