142 lines
3.1 KiB
Go
142 lines
3.1 KiB
Go
package main
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import (
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"fmt"
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"github.com/ethereum/eth-go"
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"github.com/ethereum/eth-go/ethchain"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/obscuren/secp256k1-go"
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"log"
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"os"
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"os/signal"
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"runtime"
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)
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const Debug = true
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// Register interrupt handlers so we can stop the ethereum
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func RegisterInterupts(s *eth.Ethereum) {
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// Buffered chan of one is enough
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c := make(chan os.Signal, 1)
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// Notify about interrupts for now
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signal.Notify(c, os.Interrupt)
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go func() {
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for sig := range c {
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fmt.Printf("Shutting down (%v) ... \n", sig)
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s.Stop()
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}
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}()
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}
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func CreateKeyPair(force bool) {
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data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
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if len(data) == 0 || force {
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log.Println("Generating new address and keypair")
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pub, prv := secp256k1.GenerateKeyPair()
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addr := ethutil.Sha3Bin(pub[1:])[12:]
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log.Printf("Your new address is %x\n", addr)
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keyRing := ethutil.NewValue([]interface{}{prv, addr, pub[1:]})
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ethutil.Config.Db.Put([]byte("KeyRing"), keyRing.Encode())
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}
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}
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func main() {
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runtime.GOMAXPROCS(runtime.NumCPU())
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Init()
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ethchain.InitFees()
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ethutil.ReadConfig(".ethereum")
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ethutil.Config.Seed = UseSeed
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// Instantiated a eth stack
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ethereum, err := eth.New(eth.CapDefault, UseUPnP)
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if err != nil {
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log.Println("eth start err:", err)
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return
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}
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if GenAddr {
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fmt.Println("This action overwrites your old private key. Are you sure? (y/n)")
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var r string
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fmt.Scanln(&r)
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for ; ; fmt.Scanln(&r) {
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if r == "n" || r == "y" {
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break
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} else {
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fmt.Printf("Yes or no?", r)
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}
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}
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if r == "y" {
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CreateKeyPair(true)
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}
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os.Exit(0)
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} else {
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CreateKeyPair(false)
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}
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if ShowGenesis {
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fmt.Println(ethereum.BlockManager.BlockChain().Genesis())
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os.Exit(0)
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}
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log.Printf("Starting Ethereum v%s\n", ethutil.Config.Ver)
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// Set the max peers
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ethereum.MaxPeers = MaxPeer
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if StartConsole {
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err := os.Mkdir(ethutil.Config.ExecPath, os.ModePerm)
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// Error is OK if the error is ErrExist
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if err != nil && !os.IsExist(err) {
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log.Panic("Unable to create EXECPATH:", err)
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}
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console := NewConsole(ethereum)
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go console.Start()
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}
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RegisterInterupts(ethereum)
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ethereum.Start()
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if StartMining {
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log.Printf("Miner started\n")
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// Fake block mining. It broadcasts a new block every 5 seconds
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go func() {
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pow := ðchain.EasyPow{}
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data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
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keyRing := ethutil.NewValueFromBytes(data)
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addr := keyRing.Get(1).Bytes()
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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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ethereum.BlockManager.AccumelateRewards(block, block)
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// Search the nonce
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block.Nonce = pow.Search(block)
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err := ethereum.BlockManager.ProcessBlock(block)
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if err != nil {
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log.Println(err)
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} else {
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log.Println("\n+++++++ MINED BLK +++++++\n", ethereum.BlockManager.BlockChain().CurrentBlock)
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}
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}
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}()
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}
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// Wait for shutdown
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ethereum.WaitForShutdown()
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}
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