plugeth/ethereum.go
2014-02-01 21:51:50 +01:00

140 lines
3.1 KiB
Go

package main
import (
"encoding/hex"
"flag"
"fmt"
"github.com/ethereum/eth-go"
"github.com/ethereum/ethchain-go"
"github.com/ethereum/ethutil-go"
_ "github.com/ethereum/ethwire-go"
"log"
"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()
//fmt.Printf("%x\n", ethutil.Encode([]interface{}{ethutil.BigPow(2, 36).Bytes()}))
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(10)
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() {
pow := &ethchain.EasyPow{}
addr, _ := hex.DecodeString("82c3b0b72cf62f1a9ce97c64da8072efa28225d8")
for {
time.Sleep(blockTime * time.Second)
txs := ethereum.TxPool.Flush()
block := ethereum.BlockManager.BlockChain().NewBlock(addr, txs)
nonce := pow.Search(block)
block.Nonce = nonce
err := ethereum.BlockManager.ProcessBlockWithState(block, block.State())
if err != nil {
log.Println(err)
} else {
//log.Println("nonce found:", nonce)
log.Println("\n+++++++ MINED BLK +++++++\n", block.String())
}
//os.Exit(1)
/*
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()
}