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authorobscuren <geffobscura@gmail.com>2014-03-22 19:03:10 +0800
committerobscuren <geffobscura@gmail.com>2014-03-22 19:03:10 +0800
commit642630db15a793cf0a0f7fbd827daee364df5423 (patch)
tree42d830d5734914697fbcece3bd116cfa016625e1 /ethereum
parent45ec9c88e4bb5060455df4c12891f94fb5bb28c6 (diff)
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Moved node to ethereum
Diffstat (limited to 'ethereum')
-rw-r--r--ethereum/config.go37
-rw-r--r--ethereum/dev_console.go253
-rw-r--r--ethereum/ethereum.go158
3 files changed, 448 insertions, 0 deletions
diff --git a/ethereum/config.go b/ethereum/config.go
new file mode 100644
index 000000000..e4935dfed
--- /dev/null
+++ b/ethereum/config.go
@@ -0,0 +1,37 @@
+package main
+
+import (
+ "flag"
+)
+
+var StartConsole bool
+var StartMining bool
+var UseUPnP bool
+var OutboundPort string
+var ShowGenesis bool
+var AddPeer string
+var MaxPeer int
+var GenAddr bool
+var UseSeed bool
+var ImportKey string
+var ExportKey bool
+
+//var UseGui bool
+var DataDir string
+
+func Init() {
+ flag.BoolVar(&StartConsole, "c", false, "debug and testing console")
+ flag.BoolVar(&StartMining, "m", false, "start dagger mining")
+ flag.BoolVar(&ShowGenesis, "g", false, "prints genesis header and exits")
+ //flag.BoolVar(&UseGui, "gui", true, "use the gui")
+ flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
+ flag.BoolVar(&UseSeed, "seed", true, "seed peers")
+ flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
+ flag.BoolVar(&ExportKey, "export", false, "export private key")
+ flag.StringVar(&OutboundPort, "p", "30303", "listening port")
+ flag.StringVar(&DataDir, "dir", ".ethereum", "ethereum data directory")
+ flag.StringVar(&ImportKey, "import", "", "imports the given private key (hex)")
+ flag.IntVar(&MaxPeer, "x", 5, "maximum desired peers")
+
+ flag.Parse()
+}
diff --git a/ethereum/dev_console.go b/ethereum/dev_console.go
new file mode 100644
index 000000000..ead4b55e5
--- /dev/null
+++ b/ethereum/dev_console.go
@@ -0,0 +1,253 @@
+package main
+
+import (
+ "bufio"
+ "bytes"
+ "encoding/hex"
+ "errors"
+ "fmt"
+ "github.com/ethereum/eth-go"
+ "github.com/ethereum/eth-go/ethchain"
+ "github.com/ethereum/eth-go/ethdb"
+ "github.com/ethereum/eth-go/ethutil"
+ "github.com/ethereum/eth-go/ethwire"
+ _ "math/big"
+ "os"
+ "strings"
+)
+
+type Console struct {
+ db *ethdb.MemDatabase
+ trie *ethutil.Trie
+ ethereum *eth.Ethereum
+}
+
+func NewConsole(s *eth.Ethereum) *Console {
+ db, _ := ethdb.NewMemDatabase()
+ trie := ethutil.NewTrie(db, "")
+
+ return &Console{db: db, trie: trie, ethereum: s}
+}
+
+func (i *Console) ValidateInput(action string, argumentLength int) error {
+ err := false
+ var expArgCount int
+
+ switch {
+ case action == "update" && argumentLength != 2:
+ err = true
+ expArgCount = 2
+ case action == "get" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "dag" && argumentLength != 2:
+ err = true
+ expArgCount = 2
+ case action == "decode" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "encode" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "gettx" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "tx" && argumentLength != 2:
+ err = true
+ expArgCount = 2
+ case action == "getaddr" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "contract" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "say" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "addp" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ case action == "block" && argumentLength != 1:
+ err = true
+ expArgCount = 1
+ }
+
+ if err {
+ return errors.New(fmt.Sprintf("'%s' requires %d args, got %d", action, expArgCount, argumentLength))
+ } else {
+ return nil
+ }
+}
+
+func (i *Console) Editor() []string {
+ var buff bytes.Buffer
+ for {
+ reader := bufio.NewReader(os.Stdin)
+ str, _, err := reader.ReadLine()
+ if len(str) > 0 {
+ buff.Write(str)
+ buff.WriteString("\n")
+ }
+
+ if err != nil && err.Error() == "EOF" {
+ break
+ }
+ }
+
+ scanner := bufio.NewScanner(strings.NewReader(buff.String()))
+ scanner.Split(bufio.ScanLines)
+
+ var lines []string
+ for scanner.Scan() {
+ lines = append(lines, scanner.Text())
+ }
+
+ return lines
+}
+
+func (i *Console) PrintRoot() {
+ root := ethutil.NewValue(i.trie.Root)
+ if len(root.Bytes()) != 0 {
+ fmt.Println(hex.EncodeToString(root.Bytes()))
+ } else {
+ fmt.Println(i.trie.Root)
+ }
+}
+
+func (i *Console) ParseInput(input string) bool {
+ scanner := bufio.NewScanner(strings.NewReader(input))
+ scanner.Split(bufio.ScanWords)
+
+ count := 0
+ var tokens []string
+ for scanner.Scan() {
+ count++
+ tokens = append(tokens, scanner.Text())
+ }
+ if err := scanner.Err(); err != nil {
+ fmt.Fprintln(os.Stderr, "reading input:", err)
+ }
+
+ if len(tokens) == 0 {
+ return true
+ }
+
+ err := i.ValidateInput(tokens[0], count-1)
+ if err != nil {
+ fmt.Println(err)
+ } else {
+ switch tokens[0] {
+ case "update":
+ i.trie.Update(tokens[1], tokens[2])
+
+ i.PrintRoot()
+ case "get":
+ fmt.Println(i.trie.Get(tokens[1]))
+ case "root":
+ i.PrintRoot()
+ case "rawroot":
+ fmt.Println(i.trie.Root)
+ case "print":
+ i.db.Print()
+ case "dag":
+ fmt.Println(ethchain.DaggerVerify(ethutil.Big(tokens[1]), // hash
+ ethutil.BigPow(2, 36), // diff
+ ethutil.Big(tokens[2]))) // nonce
+ case "decode":
+ value := ethutil.NewValueFromBytes([]byte(tokens[1]))
+ fmt.Println(value)
+ case "getaddr":
+ encoded, _ := hex.DecodeString(tokens[1])
+ addr := i.ethereum.BlockChain().CurrentBlock.State().GetAccount(encoded)
+ fmt.Println("addr:", addr)
+ case "block":
+ encoded, _ := hex.DecodeString(tokens[1])
+ block := i.ethereum.BlockChain().GetBlock(encoded)
+ info := block.BlockInfo()
+ fmt.Printf("++++++++++ #%d ++++++++++\n%v\n", info.Number, block)
+ case "say":
+ i.ethereum.Broadcast(ethwire.MsgTalkTy, []interface{}{tokens[1]})
+ case "addp":
+ i.ethereum.ConnectToPeer(tokens[1])
+ case "pcount":
+ fmt.Println("peers:", i.ethereum.Peers().Len())
+ case "encode":
+ fmt.Printf("%q\n", ethutil.Encode(tokens[1]))
+ case "tx":
+ recipient, err := hex.DecodeString(tokens[1])
+ if err != nil {
+ fmt.Println("recipient err:", err)
+ } else {
+ tx := ethchain.NewTransaction(recipient, ethutil.Big(tokens[2]), []string{""})
+
+ key := ethutil.Config.Db.GetKeys()[0]
+ tx.Sign(key.PrivateKey)
+ i.ethereum.TxPool().QueueTransaction(tx)
+
+ fmt.Printf("%x\n", tx.Hash())
+ }
+ case "gettx":
+ addr, _ := hex.DecodeString(tokens[1])
+ data, _ := ethutil.Config.Db.Get(addr)
+ if len(data) != 0 {
+ decoder := ethutil.NewValueFromBytes(data)
+ fmt.Println(decoder)
+ } else {
+ fmt.Println("gettx: tx not found")
+ }
+ case "contract":
+ fmt.Println("Contract editor (Ctrl-D = done)")
+ code := ethchain.Compile(i.Editor())
+
+ contract := ethchain.NewTransaction(ethchain.ContractAddr, ethutil.Big(tokens[1]), code)
+
+ key := ethutil.Config.Db.GetKeys()[0]
+ contract.Sign(key.PrivateKey)
+
+ i.ethereum.TxPool().QueueTransaction(contract)
+
+ fmt.Printf("%x\n", contract.Hash()[12:])
+ case "exit", "quit", "q":
+ return false
+ case "help":
+ fmt.Printf("COMMANDS:\n" +
+ "\033[1m= DB =\033[0m\n" +
+ "update KEY VALUE - Updates/Creates a new value for the given key\n" +
+ "get KEY - Retrieves the given key\n" +
+ "root - Prints the hex encoded merkle root\n" +
+ "rawroot - Prints the raw merkle root\n" +
+ "block HASH - Prints the block\n" +
+ "getaddr ADDR - Prints the account associated with the address\n" +
+ "\033[1m= Dagger =\033[0m\n" +
+ "dag HASH NONCE - Verifies a nonce with the given hash with dagger\n" +
+ "\033[1m= Encoding =\033[0m\n" +
+ "decode STR\n" +
+ "encode STR\n" +
+ "\033[1m= Other =\033[0m\n" +
+ "addp HOST:PORT\n" +
+ "tx TO AMOUNT\n" +
+ "contract AMOUNT\n")
+
+ default:
+ fmt.Println("Unknown command:", tokens[0])
+ }
+ }
+
+ return true
+}
+
+func (i *Console) Start() {
+ fmt.Printf("Eth Console. Type (help) for help\n")
+ reader := bufio.NewReader(os.Stdin)
+ for {
+ fmt.Printf("eth >>> ")
+ str, _, err := reader.ReadLine()
+ if err != nil {
+ fmt.Println("Error reading input", err)
+ } else {
+ if !i.ParseInput(string(str)) {
+ return
+ }
+ }
+ }
+}
diff --git a/ethereum/ethereum.go b/ethereum/ethereum.go
new file mode 100644
index 000000000..3f5e4a8f5
--- /dev/null
+++ b/ethereum/ethereum.go
@@ -0,0 +1,158 @@
+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 := &ethchain.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()
+}