Example #1
0
func main() {
	var ptr *byte
	if unsafe.Sizeof(ptr) < 8 {
		fmt.Println("WARNING: Gocoin client shall be build for 64-bit arch. It will likely crash now.")
	}

	fmt.Println("Gocoin client version", btc.SourcesTag)
	runtime.GOMAXPROCS(runtime.NumCPU()) // It seems that Go does not do it by default

	// Disable Ctrl+C
	signal.Notify(killchan, os.Interrupt, os.Kill)
	defer func() {
		if r := recover(); r != nil {
			err, ok := r.(error)
			if !ok {
				err = fmt.Errorf("pkg: %v", r)
			}
			fmt.Println("main panic recovered:", err.Error())
			fmt.Println(string(debug.Stack()))
			network.NetCloseAll()
			common.CloseBlockChain()
			network.ClosePeerDB()
			utils.UnlockDatabaseDir()
			os.Exit(1)
		}
	}()

	host_init() // This will create the DB lock file and keep it open

	default_wallet_fn := common.GocoinHomeDir + "wallet" + string(os.PathSeparator) + wallet.DefaultFileName
	fi, _ := os.Stat(default_wallet_fn)
	if fi == nil || fi.IsDir() {
		fmt.Println(default_wallet_fn, "not found")

		old_wallet_location := common.GocoinHomeDir + "wallet.txt"
		// If there is wallet.txt rename it to default.
		fi, _ := os.Stat(old_wallet_location)
		if fi != nil && !fi.IsDir() {
			fmt.Println("Taking wallet.txt as", default_wallet_fn)
			os.Rename(old_wallet_location, default_wallet_fn)
		} else {
			fmt.Println("Creating empty default wallet at", default_wallet_fn)
			ioutil.WriteFile(default_wallet_fn, []byte(fmt.Sprintln("# Put your wallet's public addresses here")), 0660)
		}
	}

	// cache the current balance of all the addresses from the current wallet files
	wallet.FetchAllBalances()

	// ... and now load the dafault wallet
	wallet.LoadWallet(default_wallet_fn)
	if wallet.MyWallet != nil {
		wallet.UpdateBalance()
		fmt.Print(wallet.DumpBalance(wallet.MyBalance, nil, false, true))
	}

	peersTick := time.Tick(5 * time.Minute)
	txPoolTick := time.Tick(time.Minute)
	netTick := time.Tick(time.Second)

	network.InitPeers(common.GocoinHomeDir)

	common.Last.Block = common.BlockChain.BlockTreeEnd
	common.Last.Time = time.Unix(int64(common.Last.Block.Timestamp()), 0)
	if common.Last.Time.After(time.Now()) {
		common.Last.Time = time.Now()
	}

	for k, v := range common.BlockChain.BlockIndex {
		network.ReceivedBlocks[k] = &network.OneReceivedBlock{Time: time.Unix(int64(v.Timestamp()), 0)}
	}

	if common.CFG.TextUI.Enabled {
		go textui.MainThread()
	}

	if common.CFG.WebUI.Interface != "" {
		fmt.Println("Starting WebUI at", common.CFG.WebUI.Interface, "...")
		go webui.ServerThread(common.CFG.WebUI.Interface)
	}

	for !usif.Exit_now {
		common.CountSafe("MainThreadLoops")
		for retryCachedBlocks {
			retryCachedBlocks = retry_cached_blocks()
			// We have done one per loop - now do something else if pending...
			if len(network.NetBlocks) > 0 || len(usif.UiChannel) > 0 {
				break
			}
		}

		common.Busy("")

		select {
		case s := <-killchan:
			fmt.Println("Got signal:", s)
			usif.Exit_now = true
			continue

		case newbl := <-network.NetBlocks:
			HandleNetBlock(newbl)

		case newtx := <-network.NetTxs:
			network.HandleNetTx(newtx, false)

		case newal := <-network.NetAlerts:
			fmt.Println("\007" + newal)
			textui.ShowPrompt()

		case cmd := <-usif.UiChannel:
			common.Busy("UI command")
			cmd.Handler(cmd.Param)
			cmd.Done.Done()
			continue

		case <-peersTick:
			network.ExpirePeers()

		case <-txPoolTick:
			network.ExpireTxs()

		case <-netTick:
			network.NetworkTick()

		case <-time.After(time.Second / 2):
			common.CountSafe("MainThreadTouts")
			if !retryCachedBlocks {
				common.Busy("common.BlockChain.Idle()")
				common.BlockChain.Idle()
			}
			continue
		}

		common.CountSafe("NetMessagesGot")
	}

	network.NetCloseAll()
	network.ClosePeerDB()

	if usif.DefragBlocksDB {
		defrag_db()
	}

	common.CloseBlockChain()
	utils.UnlockDatabaseDir()
}
Example #2
0
File: main.go Project: Bitoy/gocoin
func main() {
	if btc.EC_Verify == nil {
		fmt.Println("WARNING: EC_Verify acceleration disabled. Enable EC_Verify wrapper if possible.")
	}
	var ptr *byte
	if unsafe.Sizeof(ptr) < 8 {
		fmt.Println("WARNING: Gocoin client shall be build for 64-bit arch. It will likely crash now.")
	}

	fmt.Println("Gocoin client version", btc.SourcesTag)
	runtime.GOMAXPROCS(runtime.NumCPU()) // It seems that Go does not do it by default

	// Disable Ctrl+C
	signal.Notify(killchan, os.Interrupt, os.Kill)
	defer func() {
		if r := recover(); r != nil {
			err, ok := r.(error)
			if !ok {
				err = fmt.Errorf("pkg: %v", r)
			}
			fmt.Println("main panic recovered:", err.Error())
			fmt.Println(string(debug.Stack()))
			network.NetCloseAll()
			common.CloseBlockChain()
			network.ClosePeerDB()
			utils.UnlockDatabaseDir()
			os.Exit(1)
		}
	}()

	host_init() // This will create the DB lock file and keep it open

	// Clean up the DB lock file on exit

	// cache the current balance of all the addresses from the current wallet files
	wallet.FetchAllBalances()
	// ... and now switch to the dafault wallet
	wallet.LoadWallet(common.GocoinHomeDir + "wallet" + string(os.PathSeparator) + "DEFAULT")
	if wallet.MyWallet == nil {
		wallet.LoadWallet(common.GocoinHomeDir + "wallet.txt")
	}
	if wallet.MyWallet != nil {
		wallet.UpdateBalance()
		fmt.Print(wallet.DumpBalance(nil, false))
	}

	peersTick := time.Tick(5 * time.Minute)
	txPoolTick := time.Tick(time.Minute)
	netTick := time.Tick(time.Second)

	network.InitPeers(common.GocoinHomeDir)

	common.Last.Block = common.BlockChain.BlockTreeEnd
	common.Last.Time = time.Unix(int64(common.Last.Block.Timestamp), 0)

	for k, v := range common.BlockChain.BlockIndex {
		network.ReceivedBlocks[k] = &network.OneReceivedBlock{Time: time.Unix(int64(v.Timestamp), 0)}
	}

	if common.CFG.TextUI.Enabled {
		go textui.MainThread()
	}

	if common.CFG.WebUI.Interface != "" {
		fmt.Println("Starting WebUI at", common.CFG.WebUI.Interface, "...")
		go webui.ServerThread(common.CFG.WebUI.Interface)
	}

	for !usif.Exit_now {
		common.CountSafe("MainThreadLoops")
		for retryCachedBlocks {
			retryCachedBlocks = retry_cached_blocks()
			// We have done one per loop - now do something else if pending...
			if len(network.NetBlocks) > 0 || len(usif.UiChannel) > 0 {
				break
			}
		}

		common.Busy("")

		select {
		case s := <-killchan:
			fmt.Println("Got signal:", s)
			usif.Exit_now = true
			continue

		case newbl := <-network.NetBlocks:
			HandleNetBlock(newbl)

		case newtx := <-network.NetTxs:
			network.HandleNetTx(newtx, false)

		case cmd := <-usif.UiChannel:
			common.Busy("UI command")
			cmd.Handler(cmd.Param)
			cmd.Done.Done()
			continue

		case <-peersTick:
			network.ExpirePeers()

		case <-txPoolTick:
			network.ExpireTxs()

		case <-netTick:
			network.NetworkTick()

		case <-time.After(time.Second / 2):
			common.CountSafe("MainThreadTouts")
			if !retryCachedBlocks {
				common.Busy("common.BlockChain.Idle()")
				common.BlockChain.Idle()
			}
			continue
		}

		common.CountSafe("NetMessagesGot")
	}

	network.NetCloseAll()
	network.ClosePeerDB()

	if usif.DefragBlocksDB {
		defrag_db()
	}

	common.CloseBlockChain()
	utils.UnlockDatabaseDir()
}