From 1e4ae24126d21305c8fcbebd057ce4ec28ddd242 Mon Sep 17 00:00:00 2001 From: zelig Date: Fri, 4 Jul 2014 19:48:37 +0100 Subject: [PATCH] use ethreact.Event, unbuffered event channels, subscribe after loop reading from channel starts --- ethereal/ext_app.go | 9 +-- ethereal/gui.go | 123 +++++++++++++++++---------------- ethereum/javascript_runtime.go | 16 ++--- 3 files changed, 76 insertions(+), 72 deletions(-) diff --git a/ethereal/ext_app.go b/ethereal/ext_app.go index 17c342a1b..c02f5ccb3 100644 --- a/ethereal/ext_app.go +++ b/ethereal/ext_app.go @@ -4,6 +4,7 @@ import ( "fmt" "github.com/ethereum/eth-go/ethchain" "github.com/ethereum/eth-go/ethpub" + "github.com/ethereum/eth-go/ethreact" "github.com/ethereum/eth-go/ethutil" "github.com/go-qml/qml" ) @@ -24,8 +25,8 @@ type AppContainer interface { type ExtApplication struct { *ethpub.PEthereum - blockChan chan ethutil.React - changeChan chan ethutil.React + blockChan chan ethreact.Event + changeChan chan ethreact.Event quitChan chan bool watcherQuitChan chan bool @@ -37,8 +38,8 @@ type ExtApplication struct { func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication { app := &ExtApplication{ ethpub.NewPEthereum(lib.eth), - make(chan ethutil.React, 1), - make(chan ethutil.React, 1), + make(chan ethreact.Event), + make(chan ethreact.Event), make(chan bool), make(chan bool), container, diff --git a/ethereal/gui.go b/ethereal/gui.go index 9f28045f8..2bad90361 100644 --- a/ethereal/gui.go +++ b/ethereal/gui.go @@ -8,6 +8,7 @@ import ( "github.com/ethereum/eth-go/ethdb" "github.com/ethereum/eth-go/ethlog" "github.com/ethereum/eth-go/ethpub" + "github.com/ethereum/eth-go/ethreact" "github.com/ethereum/eth-go/ethutil" "github.com/ethereum/eth-go/ethwire" "github.com/ethereum/go-ethereum/utils" @@ -143,7 +144,7 @@ func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) { gui.readPreviousTransactions() gui.setPeerInfo() - go gui.update() + gui.update() return win, nil } @@ -266,11 +267,68 @@ func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) { 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) + blockChan := make(chan ethreact.Event) + txChan := make(chan ethreact.Event) + objectChan := make(chan ethreact.Event) + peerChan := make(chan ethreact.Event) + 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.address()).Amount))) + + go func() { + 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.Name == "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 <-objectChan: + gui.loadAddressBook() + case <-peerChan: + gui.setPeerInfo() + case <-ticker.C: + gui.setPeerInfo() + } + } + }() reactor.Subscribe("newBlock", blockChan) reactor.Subscribe("newTx:pre", txChan) reactor.Subscribe("newTx:post", txChan) @@ -281,61 +339,6 @@ func (gui *Gui) update() { } 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.address()).Amount))) - - 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 <-objectChan: - gui.loadAddressBook() - case <-peerChan: - gui.setPeerInfo() - case <-ticker.C: - gui.setPeerInfo() - } - } } func (gui *Gui) setPeerInfo() { diff --git a/ethereum/javascript_runtime.go b/ethereum/javascript_runtime.go index 852a50487..6e107e376 100644 --- a/ethereum/javascript_runtime.go +++ b/ethereum/javascript_runtime.go @@ -6,6 +6,7 @@ import ( "github.com/ethereum/eth-go/ethchain" "github.com/ethereum/eth-go/ethlog" "github.com/ethereum/eth-go/ethpub" + "github.com/ethereum/eth-go/ethreact" "github.com/ethereum/eth-go/ethutil" "github.com/ethereum/go-ethereum/utils" "github.com/obscuren/otto" @@ -22,8 +23,8 @@ type JSRE struct { vm *otto.Otto lib *ethpub.PEthereum - blockChan chan ethutil.React - changeChan chan ethutil.React + blockChan chan ethreact.Event + changeChan chan ethreact.Event quitChan chan bool objectCb map[string][]otto.Value @@ -48,8 +49,8 @@ func NewJSRE(ethereum *eth.Ethereum) *JSRE { ethereum, otto.New(), ethpub.NewPEthereum(ethereum), - make(chan ethutil.React, 1), - make(chan ethutil.React, 1), + make(chan ethreact.Event), + make(chan ethreact.Event), make(chan bool), make(map[string][]otto.Value), } @@ -63,6 +64,9 @@ func NewJSRE(ethereum *eth.Ethereum) *JSRE { // We have to make sure that, whoever calls this, calls "Stop" go re.mainLoop() + // Subscribe to events + reactor := ethereum.Reactor() + reactor.Subscribe("newBlock", re.blockChan) re.Bind("eth", &JSEthereum{re.lib, re.vm}) @@ -108,10 +112,6 @@ func (self *JSRE) Stop() { } func (self *JSRE) mainLoop() { - // Subscribe to events - reactor := self.ethereum.Reactor() - reactor.Subscribe("newBlock", self.blockChan) - out: for { select {