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package main

import (
    "flag"
    "fmt"
    "github.com/ethereum/ethutil-go"
    "log"
    "os"
    "os/signal"
    "runtime"
)

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 server
func RegisterInterupts(s *Server) {
    // 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())

    ethutil.InitFees()

    Init()

    if StartConsole {
        console := NewConsole()
        console.Start()
    } else {
        log.Println("Starting Ethereum")
        server, err := NewServer()

        if err != nil {
            log.Println(err)
            return
        }

        RegisterInterupts(server)

        if StartMining {
            log.Println("Mining started")
            dagger := &Dagger{}

            go func() {
                for {
                    res := dagger.Search(ethutil.Big("0"), ethutil.BigPow(2, 36))
                    server.Broadcast("block", ethutil.Encode(res.String()))
                }
            }()
        }

        server.Start()

        err = server.ConnectToPeer("localhost:12345")
        if err != nil {
            log.Println("Error starting server", err)

            server.Stop()

            return
        }

        // Wait for shutdown
        server.WaitForShutdown()
    }
}