Merge master into miner branch

Makefile

@@ -1,20 +0,0 @@
-UNAME = $(shell uname)
-
-# Default is building
-all:
-	go install
-
-install:
-# Linux build
-ifeq ($(UNAME),Linux)
-	mkdir /usr/local/ethereal
-	files=(wallet.qml net.png network.png new.png tx.png)
-	for file in "${files[@]}"; do
-		cp $file /usr/share/ethereal
-	done
-	cp $GOPATH/bin/go-ethereum /usr/local/bin/ethereal
-endif
-# OS X build
-ifeq ($(UNAME),Darwin)
-	# Execute py script
-endif

README.md

@@ -5,7 +5,7 @@ Ethereum
 
 Ethereum Go Client (c) Jeffrey Wilcke
 
-The current state is "Proof of Concept 3".
+The current state is "Proof of Concept 3.5".
 
 For the development Go Package please see [eth-go package](https://github.com/ethereum/eth-go).
 

ethereal/Makefile

@@ -0,0 +1,22 @@
+UNAME = $(shell uname)
+FILES=qml *.png
+GOPATH=$(PWD)
+
+
+# Default is building
+all:
+	go get -d
+	cp *.go $(GOPATH)/src/github.com/ethereum/go-ethereum
+	cp -r ui $(GOPATH)/src/github.com/ethereum/go-ethereum
+	go build
+
+install:
+# Linux build
+ifeq ($(UNAME),Linux)
+	cp -r assets/* /usr/share/ethereal
+	cp go-ethereum /usr/local/bin/ethereal
+endif
+# OS X build
+ifeq ($(UNAME),Darwin)
+	# Execute py script
+endif

ethereal/config.go

@@ -0,0 +1,34 @@
+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 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(&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", ".ethereal", "ethereum data directory")
+	flag.StringVar(&ImportKey, "import", "", "imports the given private key (hex)")
+	flag.IntVar(&MaxPeer, "x", 5, "maximum desired peers")
+
+	flag.Parse()
+}

ethereal/ethereum.go

@@ -0,0 +1,110 @@
+package main
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/ethereum/go-ethereum/ethereal/ui"
+	"github.com/ethereum/go-ethereum/utils"
+	"github.com/niemeyer/qml"
+	"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()
+
+	qml.Init(nil)
+
+	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
+
+	gui := ethui.New(ethereum)
+	gui.Start()
+}

ethereal/ui/gui.go

@@ -81,6 +81,7 @@ func (ui *Gui) Start() {
 		Init: func(p *Tx, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
 	}})
 
+	ethutil.Config.SetClientString(fmt.Sprintf("/Ethereal v%s", "0.1"))
 	ethutil.Config.Log.Infoln("[GUI] Starting GUI")
 	// Create a new QML engine
 	ui.engine = qml.NewEngine()

ethereal/ui/library.go

@@ -36,8 +36,6 @@ func (lib *EthLib) CreateTx(receiver, a, data string) string {
 
 	tx.Sign(keyPair.PrivateKey)
 
-	ethutil.Config.Log.Infof("nonce: %x", tx.Nonce)
-
 	lib.txPool.QueueTransaction(tx)
 
 	if len(receiver) == 0 {

ethereal/ui/ui_lib.go

@@ -54,8 +54,8 @@ func AssetPath(p string) string {
 	// assume a debug build and use the source directory as
 	// asset directory.
 	pwd, _ := os.Getwd()
-	if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum") {
-		base = pwd
+	if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal") {
+		base = path.Join(pwd, "assets")
 	} else {
 		switch runtime.GOOS {
 		case "darwin":

ethereum/config.go

@@ -15,14 +15,15 @@ var GenAddr bool
 var UseSeed bool
 var ImportKey string
 var ExportKey bool
-var UseGui 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(&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")

ethereum/ethereum.go

@@ -4,11 +4,9 @@ import (
 	"fmt"
 	"github.com/ethereum/eth-go"
 	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethminer"
 	"github.com/ethereum/eth-go/ethutil"
-	"github.com/ethereum/go-ethereum/ui"
-	"github.com/niemeyer/qml"
-	"github.com/obscuren/secp256k1-go"
+	"github.com/ethereum/eth-go/ethwire"
+	"github.com/ethereum/go-ethereum/utils"
 	"log"
 	"os"
 	"os/signal"
@@ -32,58 +30,9 @@ func RegisterInterupts(s *eth.Ethereum) {
 	}()
 }
 
-func CreateKeyPair(force bool) {
-	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
-	if len(data) == 0 || force {
-		pub, prv := secp256k1.GenerateKeyPair()
-		pair := &ethutil.Key{PrivateKey: prv, PublicKey: pub}
-		ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
-
-		fmt.Printf(`
-Generating new address and keypair.
-Please keep your keys somewhere save.
-
-++++++++++++++++ KeyRing +++++++++++++++++++
-addr: %x
-prvk: %x
-pubk: %x
-++++++++++++++++++++++++++++++++++++++++++++
-
-`, pair.Address(), prv, pub)
-
-	}
-}
-
-func ImportPrivateKey(prvKey string) {
-	key := ethutil.FromHex(prvKey)
-	msg := []byte("tmp")
-	// Couldn't think of a better way to get the pub key
-	sig, _ := secp256k1.Sign(msg, key)
-	pub, _ := secp256k1.RecoverPubkey(msg, sig)
-	pair := &ethutil.Key{PrivateKey: key, PublicKey: pub}
-	ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
-
-	fmt.Printf(`
-Importing private key
-
-++++++++++++++++ KeyRing +++++++++++++++++++
-addr: %x
-prvk: %x
-pubk: %x
-++++++++++++++++++++++++++++++++++++++++++++
-
-`, pair.Address(), key, pub)
-}
-
 func main() {
 	Init()
 
-	// Qt has to be initialized in the main thread or it will throw errors
-	// It has to be called BEFORE setting the maximum procs.
-	if UseGui {
-		qml.Init(nil)
-	}
-
 	runtime.GOMAXPROCS(runtime.NumCPU())
 
 	ethchain.InitFees()
@@ -112,7 +61,7 @@ func main() {
 		}
 
 		if r == "y" {
-			CreateKeyPair(true)
+			utils.CreateKeyPair(true)
 		}
 		os.Exit(0)
 	} else {
@@ -129,11 +78,11 @@ func main() {
 			}
 
 			if r == "y" {
-				ImportPrivateKey(ImportKey)
+				utils.ImportPrivateKey(ImportKey)
 				os.Exit(0)
 			}
 		} else {
-			CreateKeyPair(false)
+			utils.CreateKeyPair(false)
 		}
 	}
 
@@ -164,29 +113,46 @@ func main() {
 		go console.Start()
 	}
 
-	if UseGui {
-		gui := ethui.New(ethereum)
-		gui.Start()
-		//ethereum.Stop()
-	} else {
 	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()
 
-				miner := ethminer.NewDefaultMiner(addr, ethereum)
-				miner.Start()
+			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()
-	}
 }

test_runner.go

@@ -1,35 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-	"testing"
-)
-
-type TestSource struct {
-	Inputs      map[string]string
-	Expectation string
-}
-
-func NewTestSource(source string) *TestSource {
-	s := &TestSource{}
-	err := json.Unmarshal([]byte(source), s)
-	if err != nil {
-		fmt.Println(err)
-	}
-
-	return s
-}
-
-type TestRunner struct {
-	source *TestSource
-}
-
-func NewTestRunner(t *testing.T) *TestRunner {
-	return &TestRunner{}
-}
-
-func (runner *TestRunner) RunFromString(input string, Cb func(*TestSource)) {
-	source := NewTestSource(input)
-	Cb(source)
-}

test_runner_test.go

@@ -1,36 +0,0 @@
-package main
-
-/*
-import (
-	"encoding/hex"
-	_ "fmt"
-	"github.com/ethereum/ethdb-go"
-	"github.com/ethereum/ethutil-go"
-	"testing"
-)
-
-var testsource = `
-{
-	"inputs":{
-		"doe": "reindeer",
-		"dog": "puppy",
-		"dogglesworth": "cat"
-	},
-	"expectation":"e378927bfc1bd4f01a2e8d9f59bd18db8a208bb493ac0b00f93ce51d4d2af76c"
-}`
-
-func TestTestRunner(t *testing.T) {
-	db, _ := ethdb.NewMemDatabase()
-	trie := ethutil.NewTrie(db, "")
-
-	runner := NewTestRunner(t)
-	runner.RunFromString(testsource, func(source *TestSource) {
-		for key, value := range source.Inputs {
-			trie.Update(key, value)
-		}
-		if hex.EncodeToString(trie.Root.([]byte)) != source.Expectation {
-			t.Error("trie root did not match")
-		}
-	})
-}
-*/

testing.go

@@ -1,33 +0,0 @@
-package main
-
-/*
-
-import (
-  _"fmt"
-)
-
-// This will eventually go away
-var Db *MemDatabase
-
-func Testing() {
-  db, _ := NewMemDatabase()
-  Db = db
-
-  bm := NewBlockManager()
-
-  tx := NewTransaction("\x00", 20, []string{"PUSH"})
-  txData := tx.RlpEncode()
-  //fmt.Printf("%q\n", txData)
-
-  copyTx := &Transaction{}
-  copyTx.RlpDecode(txData)
-  //fmt.Println(tx)
-  //fmt.Println(copyTx)
-
-  tx2 := NewTransaction("\x00", 20, []string{"SET 10 6", "LD 10 10"})
-
-  blck := CreateTestBlock([]*Transaction{tx2, tx})
-
-  bm.ProcessBlock( blck )
-}
-*/

utils/keys.go

@@ -0,0 +1,50 @@
+package utils
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/obscuren/secp256k1-go"
+)
+
+func CreateKeyPair(force bool) {
+	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
+	if len(data) == 0 || force {
+		pub, prv := secp256k1.GenerateKeyPair()
+		pair := &ethutil.Key{PrivateKey: prv, PublicKey: pub}
+		ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
+
+		fmt.Printf(`
+Generating new address and keypair.
+Please keep your keys somewhere save.
+
+++++++++++++++++ KeyRing +++++++++++++++++++
+addr: %x
+prvk: %x
+pubk: %x
+++++++++++++++++++++++++++++++++++++++++++++
+
+`, pair.Address(), prv, pub)
+
+	}
+}
+
+func ImportPrivateKey(prvKey string) {
+	key := ethutil.FromHex(prvKey)
+	msg := []byte("tmp")
+	// Couldn't think of a better way to get the pub key
+	sig, _ := secp256k1.Sign(msg, key)
+	pub, _ := secp256k1.RecoverPubkey(msg, sig)
+	pair := &ethutil.Key{PrivateKey: key, PublicKey: pub}
+	ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
+
+	fmt.Printf(`
+Importing private key
+
+++++++++++++++++ KeyRing +++++++++++++++++++
+addr: %x
+prvk: %x
+pubk: %x
+++++++++++++++++++++++++++++++++++++++++++++
+
+`, pair.Address(), key, pub)
+}