Merge branch 'develop' of github.com-obscure:ethereum/eth-go into develop

Conflicts:
	ethutil/config.go

ethchain/genesis.go

@@ -13,7 +13,7 @@ var ZeroHash256 = make([]byte, 32)
 var ZeroHash160 = make([]byte, 20)
 var EmptyShaList = ethutil.Sha3Bin(ethutil.Encode([]interface{}{}))
 
-var GenisisHeader = []interface{}{
+var GenesisHeader = []interface{}{
 	// Previous hash (none)
 	//"",
 	ZeroHash256,
@@ -36,4 +36,4 @@ var GenisisHeader = []interface{}{
 	ethutil.Sha3Bin(big.NewInt(42).Bytes()),
 }
 
-var Genesis = []interface{}{GenisisHeader, []interface{}{}, []interface{}{}}
+var Genesis = []interface{}{GenesisHeader, []interface{}{}, []interface{}{}}

ethutil/config.go

@@ -39,7 +39,7 @@ func ReadConfig(base string) *config {
 			_, err := os.Stat(path)
 			if err != nil {
 				if os.IsNotExist(err) {
-					log.Printf("Debug logging directory %s doesn't exist, creating it", path)
+					log.Printf("Debug logging directory %s doesn't exist, creating it\n", path)
 					os.Mkdir(path, 0777)
 				}
 			}

ethutil/encoding_test.go

@@ -35,3 +35,33 @@ func TestCompactHexDecode(t *testing.T) {
 		t.Error("Error compact hex decode. Expected", exp, "got", res)
 	}
 }
+
+func TestCompactDecode(t *testing.T) {
+	exp := []int{1, 2, 3, 4, 5}
+	res := CompactDecode("\x11\x23\x45")
+
+	if !CompareIntSlice(res, exp) {
+		t.Error("odd compact decode. Expected", exp, "got", res)
+	}
+
+	exp = []int{0, 1, 2, 3, 4, 5}
+	res = CompactDecode("\x00\x01\x23\x45")
+
+	if !CompareIntSlice(res, exp) {
+		t.Error("even compact decode. Expected", exp, "got", res)
+	}
+
+	exp = []int{0, 15, 1, 12, 11, 8 /*term*/, 16}
+	res = CompactDecode("\x20\x0f\x1c\xb8")
+
+	if !CompareIntSlice(res, exp) {
+		t.Error("even terminated compact decode. Expected", exp, "got", res)
+	}
+
+	exp = []int{15, 1, 12, 11, 8 /*term*/, 16}
+	res = CompactDecode("\x3f\x1c\xb8")
+
+	if !CompareIntSlice(res, exp) {
+		t.Error("even terminated compact decode. Expected", exp, "got", res)
+	}
+}

ethwire/messaging.go

@@ -19,6 +19,9 @@ var MagicToken = []byte{34, 64, 8, 145}
 type MsgType byte
 
 const (
+	// Values are given explicitly instead of by iota because these values are
+	// defined by the wire protocol spec; it is easier for humans to ensure
+	// correctness when values are explicit.
 	MsgHandshakeTy  = 0x00
 	MsgDiscTy       = 0x01
 	MsgPingTy       = 0x02

peer.go

@@ -23,6 +23,9 @@ const (
 type DiscReason byte
 
 const (
+	// Values are given explicitly instead of by iota because these values are
+	// defined by the wire protocol spec; it is easier for humans to ensure
+	// correctness when values are explicit.
 	DiscReRequested  = 0x00
 	DiscReTcpSysErr  = 0x01
 	DiscBadProto     = 0x02
@@ -56,9 +59,9 @@ func (d DiscReason) String() string {
 type Caps byte
 
 const (
-	CapPeerDiscTy = 0x01
+	CapPeerDiscTy = 1 << iota
-	CapTxTy       = 0x02
+	CapTxTy
-	CapChainTy    = 0x04
+	CapChainTy
 
 	CapDefault = CapChainTy | CapTxTy | CapPeerDiscTy
 )
@@ -285,7 +288,6 @@ func (p *Peer) HandleInbound() {
 				p.lastPong = time.Now().Unix()
 			case ethwire.MsgBlockTy:
 				// Get all blocks and process them
-				msg.Data = msg.Data
 				var block, lastBlock *ethchain.Block
 				var err error
 				for i := msg.Data.Len() - 1; i >= 0; i-- {
@@ -438,7 +440,7 @@ func (p *Peer) Start() {
 
 	err := p.pushHandshake()
 	if err != nil {
-		log.Printf("Peer can't send outbound version ack", err)
+		log.Println("Peer can't send outbound version ack", err)
 
 		p.Stop()