Ejemplo n.º 1
0
func initEthereum() *eth.Ethereum {
	// Create flag for datadir folder
	flag.StringVar(&Datadir, "datadir", ".ethdns", "specifies the datadir to use. Takes precedence over config file.")
	flag.StringVar(&Port, "port", "20202", "specifies the Ethereum port to use.")
	flag.StringVar(&DnsPort, "dnsport", "8053", "specifies the DNS port to use.")
	flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")

	flag.Parse()

	// Set logging flags
	var lt ethutil.LoggerType
	lt = ethutil.LogFile | ethutil.LogStd

	// Read config if any
	ethutil.ReadConfig(Datadir, lt, nil, "DnsEth")

	// Create Ethereum object
	ethereum, err := eth.New(eth.CapDefault, false)

	if err != nil {
		fmt.Println("Could not start the Ethereum-core:", err)
		return nil
	}
	// Make sure we have an public key to identify ourselves
	utils.CreateKeyPair(false)

	// Set the port
	ethereum.Port = Port

	// Set the max peers
	ethereum.MaxPeers = MaxPeer

	return ethereum
}
Ejemplo n.º 2
0
func main() {
	Init()

	runtime.GOMAXPROCS(runtime.NumCPU())

	ethchain.InitFees()
	ethutil.ReadConfig(DataDir)
	ethutil.Config.Seed = UseSeed

	// Instantiated a eth stack
	ethereum, err := eth.New(eth.CapDefault, UseUPnP)
	if err != nil {
		log.Println("eth start err:", err)
		return
	}
	ethereum.Port = OutboundPort

	if GenAddr {
		fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")

		var r string
		fmt.Scanln(&r)
		for ; ; fmt.Scanln(&r) {
			if r == "n" || r == "y" {
				break
			} else {
				fmt.Printf("Yes or no?", r)
			}
		}

		if r == "y" {
			utils.CreateKeyPair(true)
		}
		os.Exit(0)
	} else {
		if len(ImportKey) > 0 {
			fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
			var r string
			fmt.Scanln(&r)
			for ; ; fmt.Scanln(&r) {
				if r == "n" || r == "y" {
					break
				} else {
					fmt.Printf("Yes or no?", r)
				}
			}

			if r == "y" {
				utils.ImportPrivateKey(ImportKey)
				os.Exit(0)
			}
		} else {
			utils.CreateKeyPair(false)
		}
	}

	if ExportKey {
		key := ethutil.Config.Db.GetKeys()[0]
		fmt.Printf("%x\n", key.PrivateKey)
		os.Exit(0)
	}

	if ShowGenesis {
		fmt.Println(ethereum.BlockChain().Genesis())
		os.Exit(0)
	}

	log.Printf("Starting Ethereum v%s\n", ethutil.Config.Ver)

	// Set the max peers
	ethereum.MaxPeers = MaxPeer

	if StartConsole {
		err := os.Mkdir(ethutil.Config.ExecPath, os.ModePerm)
		// Error is OK if the error is ErrExist
		if err != nil && !os.IsExist(err) {
			log.Panic("Unable to create EXECPATH:", err)
		}

		console := NewConsole(ethereum)
		go console.Start()
	}

	RegisterInterupts(ethereum)
	ethereum.Start()

	if StartMining {
		log.Printf("Miner started\n")

		// Fake block mining. It broadcasts a new block every 5 seconds
		go func() {
			pow := &ethchain.EasyPow{}
			data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
			keyRing := ethutil.NewValueFromBytes(data)
			addr := keyRing.Get(1).Bytes()

			for {
				txs := ethereum.TxPool().Flush()
				// Create a new block which we're going to mine
				block := ethereum.BlockChain().NewBlock(addr, txs)
				log.Println("Mining on new block. Includes", len(block.Transactions()), "transactions")
				// Apply all transactions to the block
				ethereum.StateManager().ApplyTransactions(block, block.Transactions())

				ethereum.StateManager().Prepare(block.State(), block.State())
				ethereum.StateManager().AccumelateRewards(block)

				// Search the nonce
				block.Nonce = pow.Search(block)
				ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val})

				ethereum.StateManager().PrepareDefault(block)
				err := ethereum.StateManager().ProcessBlock(block)
				if err != nil {
					log.Println(err)
				} else {
					log.Println("\n+++++++ MINED BLK +++++++\n", ethereum.BlockChain().CurrentBlock)
					log.Printf("🔨  Mined block %x\n", block.Hash())
				}
			}
		}()
	}

	// Wait for shutdown
	ethereum.WaitForShutdown()
}
Ejemplo n.º 3
0
func main() {
	Init()

	qml.Init(nil)

	runtime.GOMAXPROCS(runtime.NumCPU())

	ethchain.InitFees()
	ethutil.ReadConfig(DataDir)
	ethutil.Config.Seed = UseSeed

	// Instantiated a eth stack
	ethereum, err := eth.New(eth.CapDefault, UseUPnP)
	if err != nil {
		log.Println("eth start err:", err)
		return
	}
	ethereum.Port = OutboundPort

	if GenAddr {
		fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")

		var r string
		fmt.Scanln(&r)
		for ; ; fmt.Scanln(&r) {
			if r == "n" || r == "y" {
				break
			} else {
				fmt.Printf("Yes or no?", r)
			}
		}

		if r == "y" {
			utils.CreateKeyPair(true)
		}
		os.Exit(0)
	} else {
		if len(ImportKey) > 0 {
			fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
			var r string
			fmt.Scanln(&r)
			for ; ; fmt.Scanln(&r) {
				if r == "n" || r == "y" {
					break
				} else {
					fmt.Printf("Yes or no?", r)
				}
			}

			if r == "y" {
				utils.ImportPrivateKey(ImportKey)
				os.Exit(0)
			}
		} else {
			utils.CreateKeyPair(false)
		}
	}

	if ExportKey {
		key := ethutil.Config.Db.GetKeys()[0]
		fmt.Printf("%x\n", key.PrivateKey)
		os.Exit(0)
	}

	if ShowGenesis {
		fmt.Println(ethereum.BlockChain().Genesis())
		os.Exit(0)
	}

	log.Printf("Starting Ethereum GUI v%s\n", ethutil.Config.Ver)

	// Set the max peers
	ethereum.MaxPeers = MaxPeer

	gui := ethui.New(ethereum)
	gui.Start(AssetPath)
}