plugeth/ethereum.go

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package main
import (
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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"
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"math/big"
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"os"
"os/signal"
"path"
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"runtime"
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"time"
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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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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.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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// Instantiated a eth stack
ethereum, err := eth.New()
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) {
log.Panic("Unable to create EXECPATH. Exiting")
}
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// 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)
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if err != nil {
log.Panic("Unable to set proper logger", err)
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}
ethutil.Config.Log = log.New(file, "", 0)
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console := NewConsole(ethereum)
go console.Start()
}
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log.Println("Starting Ethereum")
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RegisterInterupts(ethereum)
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ethereum.Start()
if StartMining {
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blockTime := time.Duration(15)
log.Printf("Dev Test Mining started. Blocks found each %d seconds\n", blockTime)
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// Fake block mining. It broadcasts a new block every 5 seconds
go func() {
for {
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txs := ethereum.TxPool.Flush()
time.Sleep(blockTime * time.Second)
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block := ethchain.CreateBlock(
ethereum.BlockManager.CurrentBlock.State().Root,
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ethereum.BlockManager.LastBlockHash,
"123",
big.NewInt(1),
big.NewInt(1),
"",
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txs)
err := ethereum.BlockManager.ProcessBlockWithState(block, block.State())
if err != nil {
log.Println(err)
} else {
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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}