package main import ( "flag" "fmt" "github.com/ethereum/eth-go" "github.com/ethereum/ethchain-go" "github.com/ethereum/ethutil-go" _ "github.com/ethereum/ethwire-go" "log" "math/big" "os" "os/signal" "path" "runtime" "time" ) const Debug = true var StartConsole bool var StartMining bool func Init() { flag.BoolVar(&StartConsole, "c", false, "debug and testing console") flag.BoolVar(&StartMining, "m", false, "start dagger mining") 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() 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. Exiting") } // TODO The logger will eventually be a non blocking logger. Logging is a expensive task // Log to file only file, err := os.OpenFile(path.Join(ethutil.Config.ExecPath, "debug.log"), os.O_RDWR|os.O_CREATE, os.ModePerm) if err != nil { log.Panic("Unable to set proper logger", err) } ethutil.Config.Log = log.New(file, "", 0) console := NewConsole(ethereum) go console.Start() } RegisterInterupts(ethereum) ethereum.Start() if StartMining { blockTime := time.Duration(2) log.Printf("Dev Test Mining started. Blocks found each %d seconds\n", blockTime) // Fake block mining. It broadcasts a new block every 5 seconds go func() { for { time.Sleep(blockTime * time.Second) txs := ethereum.TxPool.Flush() block := ethchain.CreateBlock( ethereum.BlockManager.BlockChain().CurrentBlock.State().Root, ethereum.BlockManager.BlockChain().LastBlockHash, "123", big.NewInt(1), big.NewInt(1), "", txs) err := ethereum.BlockManager.ProcessBlockWithState(block, block.State()) if err != nil { log.Println(err) } else { log.Println("\n+++++++ MINED BLK +++++++\n", block.String()) } } }() } // Wait for shutdown ethereum.WaitForShutdown() }