plugeth/ethereum.go

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package main
import (
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"encoding/hex"
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"flag"
"fmt"
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"github.com/ethereum/eth-go"
"github.com/ethereum/ethchain-go"
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"github.com/ethereum/ethutil-go"
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_ "github.com/ethereum/ethwire-go"
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"log"
"os"
"os/signal"
"runtime"
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)
const Debug = true
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var StartConsole bool
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var StartMining bool
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var UseUPnP bool
var OutboundPort string
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func Init() {
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flag.BoolVar(&StartConsole, "c", false, "debug and testing console")
flag.BoolVar(&StartMining, "m", false, "start dagger mining")
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flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
flag.StringVar(&OutboundPort, "port", "30303", "listening port")
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flag.Parse()
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}
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// Register interrupt handlers so we can stop the ethereum
func RegisterInterupts(s *eth.Ethereum) {
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// 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()
}
}()
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}
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func main() {
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runtime.GOMAXPROCS(runtime.NumCPU())
Init()
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ethchain.InitFees()
ethutil.ReadConfig()
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log.Printf("Starting Ethereum v%s\n", ethutil.Config.Ver)
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// Instantiated a eth stack
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ethereum, err := eth.New(eth.CapDefault, UseUPnP)
if err != nil {
log.Println(err)
return
}
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if StartConsole {
err := os.Mkdir(ethutil.Config.ExecPath, os.ModePerm)
// Error is OK if the error is ErrExist
if err != nil && !os.IsExist(err) {
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log.Panic("Unable to create EXECPATH:", err)
}
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console := NewConsole(ethereum)
go console.Start()
}
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RegisterInterupts(ethereum)
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ethereum.Start()
if StartMining {
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log.Printf("Dev Test Mining started...\n")
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// Fake block mining. It broadcasts a new block every 5 seconds
go func() {
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pow := &ethchain.EasyPow{}
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addr, _ := hex.DecodeString("82c3b0b72cf62f1a9ce97c64da8072efa28225d8")
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for {
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txs := ethereum.TxPool.Flush()
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// Create a new block which we're going to mine
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block := ethereum.BlockManager.BlockChain().NewBlock(addr, txs)
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// Apply all transactions to the block
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ethereum.BlockManager.ApplyTransactions(block, block.Transactions())
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// Search the nonce
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block.Nonce = pow.Search(block)
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ethereum.BlockManager.ProcessBlock(block)
//ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.RlpValue().Value})
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log.Println("\n+++++++ MINED BLK +++++++\n", block.String())
}
}()
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}
// Wait for shutdown
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ethereum.WaitForShutdown()
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}