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package main
import (
"fmt"
"github.com/ethereum/eth-go"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethutil"
"github.com/ethereum/eth-go/ethwire"
"github.com/ethereum/go-ethereum/utils"
"log"
"os"
"os/signal"
"runtime"
)
const Debug = true
// 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() {
Init()
runtime.GOMAXPROCS(runtime.NumCPU())
ethchain.InitFees()
ethutil.ReadConfig(DataDir)
ethutil.Config.Seed = UseSeed
// Instantiated a eth stack
ethereum, err := eth.New(eth.CapDefault, UseUPnP)
if err != nil {
log.Println("eth start err:", err)
return
}
ethereum.Port = OutboundPort
if GenAddr {
fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
var r string
fmt.Scanln(&r)
for ; ; fmt.Scanln(&r) {
if r == "n" || r == "y" {
break
} else {
fmt.Printf("Yes or no?", r)
}
}
if r == "y" {
utils.CreateKeyPair(true)
}
os.Exit(0)
} else {
if len(ImportKey) > 0 {
fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
var r string
fmt.Scanln(&r)
for ; ; fmt.Scanln(&r) {
if r == "n" || r == "y" {
break
} else {
fmt.Printf("Yes or no?", r)
}
}
if r == "y" {
utils.ImportPrivateKey(ImportKey)
os.Exit(0)
}
} else {
utils.CreateKeyPair(false)
}
}
if ExportKey {
key := ethutil.Config.Db.GetKeys()[0]
fmt.Printf("%x\n", key.PrivateKey)
os.Exit(0)
}
if ShowGenesis {
fmt.Println(ethereum.BlockChain().Genesis())
os.Exit(0)
}
log.Printf("Starting Ethereum v%s\n", ethutil.Config.Ver)
// Set the max peers
ethereum.MaxPeers = MaxPeer
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:", err)
}
console := NewConsole(ethereum)
go console.Start()
}
RegisterInterupts(ethereum)
ethereum.Start()
if StartMining {
log.Printf("Miner started\n")
// Fake block mining. It broadcasts a new block every 5 seconds
go func() {
pow := ðchain.EasyPow{}
data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
keyRing := ethutil.NewValueFromBytes(data)
addr := keyRing.Get(1).Bytes()
for {
txs := ethereum.TxPool().Flush()
// Create a new block which we're going to mine
block := ethereum.BlockChain().NewBlock(addr, txs)
log.Println("Mining on new block. Includes", len(block.Transactions()), "transactions")
// Apply all transactions to the block
ethereum.StateManager().ApplyTransactions(block, block.Transactions())
ethereum.StateManager().Prepare(block.State(), block.State())
ethereum.StateManager().AccumelateRewards(block)
// Search the nonce
block.Nonce = pow.Search(block)
ethereum.Broadcast(ethwire.MsgBlockTy, []interface{}{block.Value().Val})
ethereum.StateManager().PrepareDefault(block)
err := ethereum.StateManager().ProcessBlock(block)
if err != nil {
log.Println(err)
} else {
log.Println("\n+++++++ MINED BLK +++++++\n", ethereum.BlockChain().CurrentBlock)
log.Printf("🔨 Mined block %x\n", block.Hash())
}
}
}()
}
// Wait for shutdown
ethereum.WaitForShutdown()
}
|
