package main import ( "encoding/hex" "flag" "fmt" "github.com/ethereum/eth-go" "github.com/ethereum/ethchain-go" "github.com/ethereum/ethutil-go" "log" "os" "os/signal" "runtime" ) const Debug = true var StartConsole bool var StartMining bool var UseUPnP bool var OutboundPort string func Init() { flag.BoolVar(&StartConsole, "c", false, "debug and testing console") flag.BoolVar(&StartMining, "m", false, "start dagger mining") flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support") flag.StringVar(&OutboundPort, "port", "30303", "listening port") flag.Parse() } // Register interrupt handlers so we can stop the ethereum func RegisterInterupts(s *eth.Ethereum) { // Buffered chan of one is enough c := make(chan os.Signal, 1) // Notify about interrupts for now signal.Notify(c, os.Interrupt) go func() { for sig := range c { fmt.Printf("Shutting down (%v) ... \n", sig) s.Stop() } }() } func main() { runtime.GOMAXPROCS(runtime.NumCPU()) Init() ethchain.InitFees() ethutil.ReadConfig() log.Printf("Starting Ethereum v%s\n", ethutil.Config.Ver) // Instantiated a eth stack ethereum, err := eth.New(eth.CapDefault, UseUPnP) if err != nil { log.Println(err) return } 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("Dev Test Mining started...\n") // Fake block mining. It broadcasts a new block every 5 seconds go func() { pow := ðchain.EasyPow{} addr, _ := hex.DecodeString("82c3b0b72cf62f1a9ce97c64da8072efa28225d8") for { txs := ethereum.TxPool.Flush() // Create a new block which we're going to mine block := ethereum.BlockManager.BlockChain().NewBlock(addr, txs) // Apply all transactions to the block ethereum.BlockManager.ApplyTransactions(block) // Search the nonce block.Nonce = pow.Search(block) // Process the block and verify err := ethereum.BlockManager.ProcessBlock(block) if err != nil { log.Println(err) } else { log.Println("\n+++++++ MINED BLK +++++++\n", block.String()) } } }() } // Wait for shutdown ethereum.WaitForShutdown() }