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

cmd/ethereum/main.go

@@ -67,6 +67,7 @@ func main() {
 		DataDir:   Datadir,
 		LogFile:   LogFile,
 		LogLevel:  LogLevel,
+		LogFormat: LogFormat,
 		MaxPeers:  MaxPeer,
 		Port:      OutboundPort,
 		NAT:       NAT,

cmd/mist/assets/ext/mist.js

@@ -20,16 +20,18 @@
 console.log("loaded?");
 
 document.onkeydown = function(evt) {
+    // This functions keeps track of keyboard inputs in order to allow copy, paste and other features
+
     evt = evt || window.event;
     if (evt.ctrlKey && evt.keyCode == 67) {
     	window.document.execCommand("copy");
-        console.log("Ctrl-C");
     } else if (evt.ctrlKey && evt.keyCode == 88) {
     	window.document.execCommand("cut");
-        console.log("Ctrl-X");
+    } else if (evt.ctrlKey && evt.keyCode == 86) {
-    } if (evt.ctrlKey && evt.keyCode == 86) {
+        window.document.execCommand("paste");
-        console.log("Ctrl-V");
+    } else if (evt.ctrlKey && evt.keyCode == 90) {
-    } if (evt.ctrlKey && evt.keyCode == 90) {
+        window.document.execCommand("undo");
-        console.log("Ctrl-Z");
+    } else if (evt.ctrlKey && evt.shiftKey && evt.keyCode == 90) {
+        window.document.execCommand("redo");
     }
 };

cmd/mist/assets/qml/main.qml

@@ -131,7 +131,11 @@ ApplicationWindow {
                 var existingDomain = matches && matches[1];
                 if (requestedDomain == existingDomain) {
                     domainAlreadyOpen = true;
-                    mainSplit.views[i].view.url = url;
+                    
+                    if (mainSplit.views[i].view.url != url){
+                        mainSplit.views[i].view.url = url;
+                    }
+                    
                     activeView(mainSplit.views[i].view, mainSplit.views[i].menuItem);
                 }
             }
@@ -928,7 +932,8 @@ ApplicationWindow {
                      model: peerModel
                      TableViewColumn{width: 180; role: "addr" ; title: "Remote Address" }
                      TableViewColumn{width: 280; role: "nodeID" ; title: "Node ID" }
-                     TableViewColumn{width: 180; role: "caps" ; title: "Capabilities" }
+                     TableViewColumn{width: 100; role: "name" ; title: "Name" }
+                     TableViewColumn{width: 40; role: "caps" ; title: "Capabilities" }
                  }
              }
          }

cmd/mist/assets/qml/views/browser.qml

@@ -3,7 +3,7 @@ import QtQuick.Controls 1.0;
 import QtQuick.Controls.Styles 1.0
 import QtQuick.Layouts 1.0;
 import QtWebEngine 1.0
-//import QtWebEngine.experimental 1.0
+import QtWebEngine.experimental 1.0
 import QtQuick.Window 2.0;
 
 Rectangle {
@@ -340,7 +340,7 @@ Rectangle {
 		WebEngineView {
 			objectName: "webView"
 			id: webview
-			//experimental.settings.javascriptCanAccessClipboard: true
+			experimental.settings.javascriptCanAccessClipboard: true
 			//experimental.settings.localContentCanAccessRemoteUrls: true
 			anchors {
 				left: parent.left
@@ -399,7 +399,8 @@ Rectangle {
 			
 			onLoadingChanged: {
 				if (loadRequest.status == WebEngineView.LoadSucceededStatus) {
-					webview.runJavaScript("document.title", function(pageTitle) {
+				
+                	webview.runJavaScript("document.title", function(pageTitle) {
 						menuItem.title = pageTitle;	
 					});
 
@@ -441,7 +442,8 @@ Rectangle {
 
 					webview.runJavaScript(eth.readFile("bignumber.min.js"));
                     webview.runJavaScript(eth.readFile("ethereum.js/dist/ethereum.js"));
-
+                    webview.runJavaScript(eth.readFile("mist.js"));
+                    
 					var cleanTitle = webview.url.toString()
 					var matches = cleanTitle.match(/^[a-z]*\:\/\/([^\/?#]+)(?:[\/?#]|$)/i);
 					var domain = matches && matches[1];

cmd/mist/assets/qml/views/catalog.qml

@@ -3,7 +3,7 @@ import QtQuick.Controls 1.0;
 import QtQuick.Controls.Styles 1.0
 import QtQuick.Layouts 1.0;
 import QtWebEngine 1.0
-//import QtWebEngine.experimental 1.0
+import QtWebEngine.experimental 1.0
 import QtQuick.Window 2.0;
 
 
@@ -21,8 +21,6 @@ Rectangle {
 	property alias windowTitle: webview.title
 	property alias webView: webview
 
-
-
 	property var cleanPath: false
 	property var open: function(url) {
 		if(!window.cleanPath) {
@@ -66,9 +64,6 @@ Rectangle {
 		}
 	}
 
-	Component.onCompleted: {
-	}
-
 	Item {
 		objectName: "root"
 		id: root
@@ -85,7 +80,7 @@ Rectangle {
 			property var domain: "ethereum-dapp-catalog.meteor.com"
 			url: protocol + domain
 
-			//experimental.settings.javascriptCanAccessClipboard: true
+			experimental.settings.javascriptCanAccessClipboard: true
 
 
 			onJavaScriptConsoleMessage: {
@@ -112,11 +107,11 @@ Rectangle {
                 	
                 }
             }
-			// onLoadingChanged: {
+			onLoadingChanged: {
-			// 	if (loadRequest.status == WebEngineView.LoadSucceededStatus) {
+				if (loadRequest.status == WebEngineView.LoadSucceededStatus) {
-   //                  webview.runJavaScript(eth.readFile("mist.js"));
+                    webview.runJavaScript(eth.readFile("mist.js"));
-			// 	}
+				}
-			// }
+			}
 		}
 
 

cmd/mist/flags.go

@@ -63,6 +63,7 @@ var (
 	DebugFile       string
 	LogLevel        int
 	VmType          int
+	MinerThreads    int
 )
 
 // flags specific to gui client
@@ -137,6 +138,8 @@ func Init() {
 	flag.StringVar(&BootNodes, "bootnodes", "", "space-separated node URLs for discovery bootstrap")
 	flag.IntVar(&MaxPeer, "maxpeer", 30, "maximum desired peers")
 
+	flag.IntVar(&MinerThreads, "minerthreads", runtime.NumCPU(), "number of miner threads")
+
 	flag.Parse()
 
 	var err error

cmd/mist/gui.go

@@ -453,7 +453,7 @@ NumGC:      %d
 	))
 }
 
-type qmlpeer struct{ Addr, NodeID, Caps string }
+type qmlpeer struct{ Addr, NodeID, Name, Caps string }
 
 type peersByID []*qmlpeer
 
@@ -468,6 +468,7 @@ func (gui *Gui) setPeerInfo() {
 		qpeers[i] = &qmlpeer{
 			NodeID: p.ID().String(),
 			Addr:   p.RemoteAddr().String(),
+			Name:   p.Name(),
 			Caps:   fmt.Sprint(p.Caps()),
 		}
 	}

cmd/mist/main.go

@@ -52,19 +52,20 @@ func run() error {
 	config := utils.InitConfig(VmType, ConfigFile, Datadir, "ETH")
 
 	ethereum, err := eth.New(&eth.Config{
-		Name:      p2p.MakeName(ClientIdentifier, Version),
+		Name:         p2p.MakeName(ClientIdentifier, Version),
-		KeyStore:  KeyStore,
+		KeyStore:     KeyStore,
-		DataDir:   Datadir,
+		DataDir:      Datadir,
-		LogFile:   LogFile,
+		LogFile:      LogFile,
-		LogLevel:  LogLevel,
+		LogLevel:     LogLevel,
-		MaxPeers:  MaxPeer,
+		MaxPeers:     MaxPeer,
-		Port:      OutboundPort,
+		Port:         OutboundPort,
-		NAT:       NAT,
+		NAT:          NAT,
-		Shh:       true,
+		Shh:          true,
-		BootNodes: BootNodes,
+		BootNodes:    BootNodes,
-		NodeKey:   NodeKey,
+		NodeKey:      NodeKey,
-		KeyRing:   KeyRing,
+		KeyRing:      KeyRing,
-		Dial:      true,
+		Dial:         true,
+		MinerThreads: MinerThreads,
 	})
 	if err != nil {
 		mainlogger.Fatalln(err)

cmd/utils/cmd.go

@@ -225,7 +225,7 @@ func StartMining(ethereum *eth.Ethereum) bool {
 		go func() {
 			clilogger.Infoln("Start mining")
 			if gminer == nil {
-				gminer = miner.New(addr, ethereum)
+				gminer = miner.New(addr, ethereum, 4)
 			}
 			gminer.Start()
 		}()

eth/backend.go

@@ -53,6 +53,8 @@ type Config struct {
 	Shh  bool
 	Dial bool
 
+	MinerThreads int
+
 	KeyManager *crypto.KeyManager
 }
 
@@ -153,7 +155,7 @@ func New(config *Config) (*Ethereum, error) {
 	eth.blockProcessor = core.NewBlockProcessor(db, eth.txPool, eth.chainManager, eth.EventMux())
 	eth.chainManager.SetProcessor(eth.blockProcessor)
 	eth.whisper = whisper.New()
-	eth.miner = miner.New(keyManager.Address(), eth)
+	eth.miner = miner.New(keyManager.Address(), eth, config.MinerThreads)
 
 	hasBlock := eth.chainManager.HasBlock
 	insertChain := eth.chainManager.InsertChain
@@ -209,9 +211,7 @@ func (s *Ethereum) Coinbase() []byte                     { return nil } // TODO
 func (s *Ethereum) Start() error {
 	jsonlogger.LogJson(&ethlogger.LogStarting{
 		ClientString:    s.net.Name,
-		Coinbase:        ethutil.Bytes2Hex(s.KeyManager().Address()),
 		ProtocolVersion: ProtocolVersion,
-		LogEvent:        ethlogger.LogEvent{Guid: ethutil.Bytes2Hex(crypto.FromECDSAPub(&s.net.PrivateKey.PublicKey))},
 	})
 
 	err := s.net.Start()

logger/types.go

@@ -7,7 +7,6 @@ import (
 type utctime8601 struct{}
 
 func (utctime8601) MarshalJSON() ([]byte, error) {
-	// FIX This should be re-formated for proper ISO 8601
 	return []byte(`"` + time.Now().UTC().Format(time.RFC3339Nano)[:26] + `Z"`), nil
 }
 
@@ -16,14 +15,13 @@ type JsonLog interface {
 }
 
 type LogEvent struct {
-	Guid string      `json:"guid"`
+	// Guid string      `json:"guid"`
-	Ts   utctime8601 `json:"ts"`
+	Ts utctime8601 `json:"ts"`
 	// Level string      `json:"level"`
 }
 
 type LogStarting struct {
-	ClientString    string `json:"version_string"`
+	ClientString    string `json:"client_impl"`
-	Coinbase        string `json:"coinbase"`
 	ProtocolVersion int    `json:"eth_version"`
 	LogEvent
 }
@@ -32,17 +30,6 @@ func (l *LogStarting) EventName() string {
 	return "starting"
 }
 
-type P2PConnecting struct {
-	RemoteId       string `json:"remote_id"`
-	RemoteEndpoint string `json:"remote_endpoint"`
-	NumConnections int    `json:"num_connections"`
-	LogEvent
-}
-
-func (l *P2PConnecting) EventName() string {
-	return "p2p.connecting"
-}
-
 type P2PConnected struct {
 	RemoteId            string `json:"remote_id"`
 	RemoteAddress       string `json:"remote_addr"`
@@ -55,17 +42,6 @@ func (l *P2PConnected) EventName() string {
 	return "p2p.connected"
 }
 
-type P2PHandshaked struct {
-	RemoteCapabilities []string `json:"remote_capabilities"`
-	RemoteId           string   `json:"remote_id"`
-	NumConnections     int      `json:"num_connections"`
-	LogEvent
-}
-
-func (l *P2PHandshaked) EventName() string {
-	return "p2p.handshaked"
-}
-
 type P2PDisconnected struct {
 	NumConnections int    `json:"num_connections"`
 	RemoteId       string `json:"remote_id"`
@@ -76,247 +52,46 @@ func (l *P2PDisconnected) EventName() string {
 	return "p2p.disconnected"
 }
 
-type P2PDisconnecting struct {
+type EthMinerNewBlock struct {
-	Reason         string `json:"reason"`
+	BlockHash     string `json:"block_hash"`
-	RemoteId       string `json:"remote_id"`
+	BlockNumber   int    `json:"block_number"`
-	NumConnections int    `json:"num_connections"`
+	ChainHeadHash string `json:"chain_head_hash"`
+	BlockPrevHash string `json:"block_prev_hash"`
 	LogEvent
 }
 
-func (l *P2PDisconnecting) EventName() string {
+func (l *EthMinerNewBlock) EventName() string {
-	return "p2p.disconnecting"
+	return "eth.miner.new_block"
 }
 
-type P2PDisconnectingBadHandshake struct {
+type EthChainReceivedNewBlock struct {
-	Reason         string `json:"reason"`
+	BlockHash     string `json:"block_hash"`
-	RemoteId       string `json:"remote_id"`
+	BlockNumber   int    `json:"block_number"`
-	NumConnections int    `json:"num_connections"`
+	ChainHeadHash string `json:"chain_head_hash"`
+	BlockPrevHash string `json:"block_prev_hash"`
+	RemoteId      int    `json:"remote_id"`
 	LogEvent
 }
 
-func (l *P2PDisconnectingBadHandshake) EventName() string {
+func (l *EthChainReceivedNewBlock) EventName() string {
-	return "p2p.disconnecting.bad_handshake"
+	return "eth.chain.received.new_block"
 }
 
-type P2PDisconnectingBadProtocol struct {
+type EthChainNewHead struct {
-	Reason         string `json:"reason"`
+	BlockHash     string `json:"block_hash"`
-	RemoteId       string `json:"remote_id"`
+	BlockNumber   int    `json:"block_number"`
-	NumConnections int    `json:"num_connections"`
+	ChainHeadHash string `json:"chain_head_hash"`
+	BlockPrevHash string `json:"block_prev_hash"`
 	LogEvent
 }
 
-func (l *P2PDisconnectingBadProtocol) EventName() string {
+func (l *EthChainNewHead) EventName() string {
-	return "p2p.disconnecting.bad_protocol"
+	return "eth.chain.new_head"
-}
-
-type P2PDisconnectingReputation struct {
-	Reason         string `json:"reason"`
-	RemoteId       string `json:"remote_id"`
-	NumConnections int    `json:"num_connections"`
-	LogEvent
-}
-
-func (l *P2PDisconnectingReputation) EventName() string {
-	return "p2p.disconnecting.reputation"
-}
-
-type P2PDisconnectingDHT struct {
-	Reason         string `json:"reason"`
-	RemoteId       string `json:"remote_id"`
-	NumConnections int    `json:"num_connections"`
-	LogEvent
-}
-
-func (l *P2PDisconnectingDHT) EventName() string {
-	return "p2p.disconnecting.dht"
-}
-
-type P2PEthDisconnectingBadBlock struct {
-	Reason         string `json:"reason"`
-	RemoteId       string `json:"remote_id"`
-	NumConnections int    `json:"num_connections"`
-	LogEvent
-}
-
-func (l *P2PEthDisconnectingBadBlock) EventName() string {
-	return "p2p.eth.disconnecting.bad_block"
-}
-
-type P2PEthDisconnectingBadTx struct {
-	Reason         string `json:"reason"`
-	RemoteId       string `json:"remote_id"`
-	NumConnections int    `json:"num_connections"`
-	LogEvent
-}
-
-func (l *P2PEthDisconnectingBadTx) EventName() string {
-	return "p2p.eth.disconnecting.bad_tx"
-}
-
-type EthNewBlockMined struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockHexRlp     string `json:"block_hexrlp"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockMined) EventName() string {
-	return "eth.newblock.mined"
-}
-
-type EthNewBlockBroadcasted struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockBroadcasted) EventName() string {
-	return "eth.newblock.broadcasted"
-}
-
-type EthNewBlockReceived struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockReceived) EventName() string {
-	return "eth.newblock.received"
-}
-
-type EthNewBlockIsKnown struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockIsKnown) EventName() string {
-	return "eth.newblock.is_known"
-}
-
-type EthNewBlockIsNew struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockIsNew) EventName() string {
-	return "eth.newblock.is_new"
-}
-
-type EthNewBlockMissingParent struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockMissingParent) EventName() string {
-	return "eth.newblock.missing_parent"
-}
-
-type EthNewBlockIsInvalid struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockIsInvalid) EventName() string {
-	return "eth.newblock.is_invalid"
-}
-
-type EthNewBlockChainIsOlder struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockChainIsOlder) EventName() string {
-	return "eth.newblock.chain.is_older"
-}
-
-type EthNewBlockChainIsCanonical struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockChainIsCanonical) EventName() string {
-	return "eth.newblock.chain.is_cannonical"
-}
-
-type EthNewBlockChainNotCanonical struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockChainNotCanonical) EventName() string {
-	return "eth.newblock.chain.not_cannonical"
-}
-
-type EthNewBlockChainSwitched struct {
-	BlockNumber     int    `json:"block_number"`
-	HeadHash        string `json:"head_hash"`
-	OldHeadHash     string `json:"old_head_hash"`
-	BlockHash       string `json:"block_hash"`
-	BlockDifficulty int    `json:"block_difficulty"`
-	BlockPrevHash   string `json:"block_prev_hash"`
-	LogEvent
-}
-
-func (l *EthNewBlockChainSwitched) EventName() string {
-	return "eth.newblock.chain.switched"
-}
-
-type EthTxCreated struct {
-	TxHash    string `json:"tx_hash"`
-	TxSender  string `json:"tx_sender"`
-	TxAddress string `json:"tx_address"`
-	TxHexRLP  string `json:"tx_hexrlp"`
-	TxNonce   int    `json:"tx_nonce"`
-	LogEvent
-}
-
-func (l *EthTxCreated) EventName() string {
-	return "eth.tx.created"
 }
 
 type EthTxReceived struct {
-	TxHash    string `json:"tx_hash"`
+	TxHash   string `json:"tx_hash"`
-	TxAddress string `json:"tx_address"`
+	RemoteId string `json:"remote_id"`
-	TxHexRLP  string `json:"tx_hexrlp"`
-	RemoteId  string `json:"remote_id"`
-	TxNonce   int    `json:"tx_nonce"`
 	LogEvent
 }
 
@@ -324,39 +99,261 @@ func (l *EthTxReceived) EventName() string {
 	return "eth.tx.received"
 }
 
-type EthTxBroadcasted struct {
+//
-	TxHash    string `json:"tx_hash"`
+//
-	TxSender  string `json:"tx_sender"`
+// The types below are legacy and need to be converted to new format or deleted
-	TxAddress string `json:"tx_address"`
+//
-	TxNonce   int    `json:"tx_nonce"`
+//
-	LogEvent
-}
 
-func (l *EthTxBroadcasted) EventName() string {
+// type P2PConnecting struct {
-	return "eth.tx.broadcasted"
+// 	RemoteId       string `json:"remote_id"`
-}
+// 	RemoteEndpoint string `json:"remote_endpoint"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
 
-type EthTxValidated struct {
+// func (l *P2PConnecting) EventName() string {
-	TxHash    string `json:"tx_hash"`
+// 	return "p2p.connecting"
-	TxSender  string `json:"tx_sender"`
+// }
-	TxAddress string `json:"tx_address"`
-	TxNonce   int    `json:"tx_nonce"`
-	LogEvent
-}
 
-func (l *EthTxValidated) EventName() string {
+// type P2PHandshaked struct {
-	return "eth.tx.validated"
+// 	RemoteCapabilities []string `json:"remote_capabilities"`
-}
+// 	RemoteId           string   `json:"remote_id"`
+// 	NumConnections     int      `json:"num_connections"`
+// 	LogEvent
+// }
 
-type EthTxIsInvalid struct {
+// func (l *P2PHandshaked) EventName() string {
-	TxHash    string `json:"tx_hash"`
+// 	return "p2p.handshaked"
-	TxSender  string `json:"tx_sender"`
+// }
-	TxAddress string `json:"tx_address"`
-	Reason    string `json:"reason"`
-	TxNonce   int    `json:"tx_nonce"`
-	LogEvent
-}
 
-func (l *EthTxIsInvalid) EventName() string {
+// type P2PDisconnecting struct {
-	return "eth.tx.is_invalid"
+// 	Reason         string `json:"reason"`
-}
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PDisconnecting) EventName() string {
+// 	return "p2p.disconnecting"
+// }
+
+// type P2PDisconnectingBadHandshake struct {
+// 	Reason         string `json:"reason"`
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PDisconnectingBadHandshake) EventName() string {
+// 	return "p2p.disconnecting.bad_handshake"
+// }
+
+// type P2PDisconnectingBadProtocol struct {
+// 	Reason         string `json:"reason"`
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PDisconnectingBadProtocol) EventName() string {
+// 	return "p2p.disconnecting.bad_protocol"
+// }
+
+// type P2PDisconnectingReputation struct {
+// 	Reason         string `json:"reason"`
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PDisconnectingReputation) EventName() string {
+// 	return "p2p.disconnecting.reputation"
+// }
+
+// type P2PDisconnectingDHT struct {
+// 	Reason         string `json:"reason"`
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PDisconnectingDHT) EventName() string {
+// 	return "p2p.disconnecting.dht"
+// }
+
+// type P2PEthDisconnectingBadBlock struct {
+// 	Reason         string `json:"reason"`
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PEthDisconnectingBadBlock) EventName() string {
+// 	return "p2p.eth.disconnecting.bad_block"
+// }
+
+// type P2PEthDisconnectingBadTx struct {
+// 	Reason         string `json:"reason"`
+// 	RemoteId       string `json:"remote_id"`
+// 	NumConnections int    `json:"num_connections"`
+// 	LogEvent
+// }
+
+// func (l *P2PEthDisconnectingBadTx) EventName() string {
+// 	return "p2p.eth.disconnecting.bad_tx"
+// }
+
+// type EthNewBlockBroadcasted struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockBroadcasted) EventName() string {
+// 	return "eth.newblock.broadcasted"
+// }
+
+// type EthNewBlockIsKnown struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockIsKnown) EventName() string {
+// 	return "eth.newblock.is_known"
+// }
+
+// type EthNewBlockIsNew struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockIsNew) EventName() string {
+// 	return "eth.newblock.is_new"
+// }
+
+// type EthNewBlockMissingParent struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockMissingParent) EventName() string {
+// 	return "eth.newblock.missing_parent"
+// }
+
+// type EthNewBlockIsInvalid struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockIsInvalid) EventName() string {
+// 	return "eth.newblock.is_invalid"
+// }
+
+// type EthNewBlockChainIsOlder struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockChainIsOlder) EventName() string {
+// 	return "eth.newblock.chain.is_older"
+// }
+
+// type EthNewBlockChainIsCanonical struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockChainIsCanonical) EventName() string {
+// 	return "eth.newblock.chain.is_cannonical"
+// }
+
+// type EthNewBlockChainNotCanonical struct {
+// 	BlockNumber     int    `json:"block_number"`
+// 	HeadHash        string `json:"head_hash"`
+// 	BlockHash       string `json:"block_hash"`
+// 	BlockDifficulty int    `json:"block_difficulty"`
+// 	BlockPrevHash   string `json:"block_prev_hash"`
+// 	LogEvent
+// }
+
+// func (l *EthNewBlockChainNotCanonical) EventName() string {
+// 	return "eth.newblock.chain.not_cannonical"
+// }
+
+// type EthTxCreated struct {
+// 	TxHash    string `json:"tx_hash"`
+// 	TxSender  string `json:"tx_sender"`
+// 	TxAddress string `json:"tx_address"`
+// 	TxHexRLP  string `json:"tx_hexrlp"`
+// 	TxNonce   int    `json:"tx_nonce"`
+// 	LogEvent
+// }
+
+// func (l *EthTxCreated) EventName() string {
+// 	return "eth.tx.created"
+// }
+
+// type EthTxBroadcasted struct {
+// 	TxHash    string `json:"tx_hash"`
+// 	TxSender  string `json:"tx_sender"`
+// 	TxAddress string `json:"tx_address"`
+// 	TxNonce   int    `json:"tx_nonce"`
+// 	LogEvent
+// }
+
+// func (l *EthTxBroadcasted) EventName() string {
+// 	return "eth.tx.broadcasted"
+// }
+
+// type EthTxValidated struct {
+// 	TxHash    string `json:"tx_hash"`
+// 	TxSender  string `json:"tx_sender"`
+// 	TxAddress string `json:"tx_address"`
+// 	TxNonce   int    `json:"tx_nonce"`
+// 	LogEvent
+// }
+
+// func (l *EthTxValidated) EventName() string {
+// 	return "eth.tx.validated"
+// }
+
+// type EthTxIsInvalid struct {
+// 	TxHash    string `json:"tx_hash"`
+// 	TxSender  string `json:"tx_sender"`
+// 	TxAddress string `json:"tx_address"`
+// 	Reason    string `json:"reason"`
+// 	TxNonce   int    `json:"tx_nonce"`
+// 	LogEvent
+// }
+
+// func (l *EthTxIsInvalid) EventName() string {
+// 	return "eth.tx.is_invalid"
+// }

miner/miner.go

@@ -20,13 +20,13 @@ type Miner struct {
 	mining   bool
 }
 
-func New(coinbase []byte, eth core.Backend) *Miner {
+func New(coinbase []byte, eth core.Backend, minerThreads int) *Miner {
 	miner := &Miner{
 		Coinbase: coinbase,
 		worker:   newWorker(coinbase, eth),
 	}
 
-	for i := 0; i < 4; i++ {
+	for i := 0; i < minerThreads; i++ {
 		miner.worker.register(NewCpuMiner(i, ezp.New()))
 	}
 

p2p/handshake.go

@@ -1,21 +1,20 @@
 package p2p
 
 import (
-	// "binary"
 	"crypto/ecdsa"
 	"crypto/rand"
+	"errors"
 	"fmt"
 	"io"
+	"net"
 
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/crypto/ecies"
 	"github.com/ethereum/go-ethereum/crypto/secp256k1"
-	ethlogger "github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/p2p/discover"
+	"github.com/ethereum/go-ethereum/rlp"
 )
 
-var clogger = ethlogger.NewLogger("CRYPTOID")
-
 const (
 	sskLen = 16 // ecies.MaxSharedKeyLength(pubKey) / 2
 	sigLen = 65 // elliptic S256
@@ -30,26 +29,76 @@ const (
 	rHSLen     = authRespLen + eciesBytes // size of the final ECIES payload sent as receiver's handshake
 )
 
-type hexkey []byte
+type conn struct {
-
+	*frameRW
-func (self hexkey) String() string {
+	*protoHandshake
-	return fmt.Sprintf("(%d) %x", len(self), []byte(self))
 }
 
-func encHandshake(conn io.ReadWriter, prv *ecdsa.PrivateKey, dial *discover.Node) (
+func newConn(fd net.Conn, hs *protoHandshake) *conn {
-	remoteID discover.NodeID,
+	return &conn{newFrameRW(fd, msgWriteTimeout), hs}
-	sessionToken []byte,
+}
-	err error,
+
-) {
+// encHandshake represents information about the remote end
+// of a connection that is negotiated during the encryption handshake.
+type encHandshake struct {
+	ID         discover.NodeID
+	IngressMAC []byte
+	EgressMAC  []byte
+	Token      []byte
+}
+
+// protoHandshake is the RLP structure of the protocol handshake.
+type protoHandshake struct {
+	Version    uint64
+	Name       string
+	Caps       []Cap
+	ListenPort uint64
+	ID         discover.NodeID
+}
+
+// setupConn starts a protocol session on the given connection.
+// It runs the encryption handshake and the protocol handshake.
+// If dial is non-nil, the connection the local node is the initiator.
+func setupConn(fd net.Conn, prv *ecdsa.PrivateKey, our *protoHandshake, dial *discover.Node) (*conn, error) {
 	if dial == nil {
-		var remotePubkey []byte
+		return setupInboundConn(fd, prv, our)
-		sessionToken, remotePubkey, err = inboundEncHandshake(conn, prv, nil)
-		copy(remoteID[:], remotePubkey)
 	} else {
-		remoteID = dial.ID
+		return setupOutboundConn(fd, prv, our, dial)
-		sessionToken, err = outboundEncHandshake(conn, prv, remoteID[:], nil)
 	}
-	return remoteID, sessionToken, err
+}
+
+func setupInboundConn(fd net.Conn, prv *ecdsa.PrivateKey, our *protoHandshake) (*conn, error) {
+	// var remotePubkey []byte
+	// sessionToken, remotePubkey, err = inboundEncHandshake(fd, prv, nil)
+	// copy(remoteID[:], remotePubkey)
+
+	rw := newFrameRW(fd, msgWriteTimeout)
+	rhs, err := readProtocolHandshake(rw, our)
+	if err != nil {
+		return nil, err
+	}
+	if err := writeProtocolHandshake(rw, our); err != nil {
+		return nil, fmt.Errorf("protocol write error: %v", err)
+	}
+	return &conn{rw, rhs}, nil
+}
+
+func setupOutboundConn(fd net.Conn, prv *ecdsa.PrivateKey, our *protoHandshake, dial *discover.Node) (*conn, error) {
+	// remoteID = dial.ID
+	// sessionToken, err = outboundEncHandshake(fd, prv, remoteID[:], nil)
+
+	rw := newFrameRW(fd, msgWriteTimeout)
+	if err := writeProtocolHandshake(rw, our); err != nil {
+		return nil, fmt.Errorf("protocol write error: %v", err)
+	}
+	rhs, err := readProtocolHandshake(rw, our)
+	if err != nil {
+		return nil, fmt.Errorf("protocol handshake read error: %v", err)
+	}
+	if rhs.ID != dial.ID {
+		return nil, errors.New("dialed node id mismatch")
+	}
+	return &conn{rw, rhs}, nil
 }
 
 // outboundEncHandshake negotiates a session token on conn.
@@ -66,18 +115,9 @@ func outboundEncHandshake(conn io.ReadWriter, prvKey *ecdsa.PrivateKey, remotePu
 	if err != nil {
 		return nil, err
 	}
-	if sessionToken != nil {
-		clogger.Debugf("session-token: %v", hexkey(sessionToken))
-	}
-
-	clogger.Debugf("initiator-nonce: %v", hexkey(initNonce))
-	clogger.Debugf("initiator-random-private-key: %v", hexkey(crypto.FromECDSA(randomPrivKey)))
-	randomPublicKeyS, _ := exportPublicKey(&randomPrivKey.PublicKey)
-	clogger.Debugf("initiator-random-public-key: %v", hexkey(randomPublicKeyS))
 	if _, err = conn.Write(auth); err != nil {
 		return nil, err
 	}
-	clogger.Debugf("initiator handshake: %v", hexkey(auth))
 
 	response := make([]byte, rHSLen)
 	if _, err = io.ReadFull(conn, response); err != nil {
@@ -88,9 +128,6 @@ func outboundEncHandshake(conn io.ReadWriter, prvKey *ecdsa.PrivateKey, remotePu
 		return nil, err
 	}
 
-	clogger.Debugf("receiver-nonce: %v", hexkey(recNonce))
-	remoteRandomPubKeyS, _ := exportPublicKey(remoteRandomPubKey)
-	clogger.Debugf("receiver-random-public-key: %v", hexkey(remoteRandomPubKeyS))
 	return newSession(initNonce, recNonce, randomPrivKey, remoteRandomPubKey)
 }
 
@@ -221,12 +258,9 @@ func inboundEncHandshake(conn io.ReadWriter, prvKey *ecdsa.PrivateKey, sessionTo
 	if err != nil {
 		return nil, nil, err
 	}
-	clogger.Debugf("receiver-nonce: %v", hexkey(recNonce))
-	clogger.Debugf("receiver-random-priv-key: %v", hexkey(crypto.FromECDSA(randomPrivKey)))
 	if _, err = conn.Write(response); err != nil {
 		return nil, nil, err
 	}
-	clogger.Debugf("receiver handshake:\n%v", hexkey(response))
 	token, err = newSession(initNonce, recNonce, randomPrivKey, remoteRandomPubKey)
 	return token, remotePubKey, err
 }
@@ -361,3 +395,40 @@ func xor(one, other []byte) (xor []byte) {
 	}
 	return xor
 }
+
+func writeProtocolHandshake(w MsgWriter, our *protoHandshake) error {
+	return EncodeMsg(w, handshakeMsg, our.Version, our.Name, our.Caps, our.ListenPort, our.ID[:])
+}
+
+func readProtocolHandshake(r MsgReader, our *protoHandshake) (*protoHandshake, error) {
+	// read and handle remote handshake
+	msg, err := r.ReadMsg()
+	if err != nil {
+		return nil, err
+	}
+	if msg.Code == discMsg {
+		// disconnect before protocol handshake is valid according to the
+		// spec and we send it ourself if Server.addPeer fails.
+		var reason DiscReason
+		rlp.Decode(msg.Payload, &reason)
+		return nil, discRequestedError(reason)
+	}
+	if msg.Code != handshakeMsg {
+		return nil, fmt.Errorf("expected handshake, got %x", msg.Code)
+	}
+	if msg.Size > baseProtocolMaxMsgSize {
+		return nil, fmt.Errorf("message too big (%d > %d)", msg.Size, baseProtocolMaxMsgSize)
+	}
+	var hs protoHandshake
+	if err := msg.Decode(&hs); err != nil {
+		return nil, err
+	}
+	// validate handshake info
+	if hs.Version != our.Version {
+		return nil, newPeerError(errP2PVersionMismatch, "required version %d, received %d\n", baseProtocolVersion, hs.Version)
+	}
+	if (hs.ID == discover.NodeID{}) {
+		return nil, newPeerError(errPubkeyInvalid, "missing")
+	}
+	return &hs, nil
+}

p2p/handshake_test.go

@@ -5,10 +5,12 @@ import (
 	"crypto/ecdsa"
 	"crypto/rand"
 	"net"
+	"reflect"
 	"testing"
 
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/crypto/ecies"
+	"github.com/ethereum/go-ethereum/p2p/discover"
 )
 
 func TestPublicKeyEncoding(t *testing.T) {
@@ -91,14 +93,14 @@ func testCryptoHandshake(prv0, prv1 *ecdsa.PrivateKey, sessionToken []byte, t *t
 	if err != nil {
 		t.Errorf("%v", err)
 	}
-	t.Logf("-> %v", hexkey(auth))
+	// t.Logf("-> %v", hexkey(auth))
 
 	// receiver reads auth and responds with response
 	response, remoteRecNonce, remoteInitNonce, _, remoteRandomPrivKey, remoteInitRandomPubKey, err := authResp(auth, sessionToken, prv1)
 	if err != nil {
 		t.Errorf("%v", err)
 	}
-	t.Logf("<- %v\n", hexkey(response))
+	// t.Logf("<- %v\n", hexkey(response))
 
 	// initiator reads receiver's response and the key exchange completes
 	recNonce, remoteRandomPubKey, _, err := completeHandshake(response, prv0)
@@ -132,7 +134,7 @@ func testCryptoHandshake(prv0, prv1 *ecdsa.PrivateKey, sessionToken []byte, t *t
 	}
 }
 
-func TestHandshake(t *testing.T) {
+func TestEncHandshake(t *testing.T) {
 	defer testlog(t).detach()
 
 	prv0, _ := crypto.GenerateKey()
@@ -165,3 +167,58 @@ func TestHandshake(t *testing.T) {
 		t.Error("session token mismatch")
 	}
 }
+
+func TestSetupConn(t *testing.T) {
+	prv0, _ := crypto.GenerateKey()
+	prv1, _ := crypto.GenerateKey()
+	node0 := &discover.Node{
+		ID:      discover.PubkeyID(&prv0.PublicKey),
+		IP:      net.IP{1, 2, 3, 4},
+		TCPPort: 33,
+	}
+	node1 := &discover.Node{
+		ID:      discover.PubkeyID(&prv1.PublicKey),
+		IP:      net.IP{5, 6, 7, 8},
+		TCPPort: 44,
+	}
+	hs0 := &protoHandshake{
+		Version: baseProtocolVersion,
+		ID:      node0.ID,
+		Caps:    []Cap{{"a", 0}, {"b", 2}},
+	}
+	hs1 := &protoHandshake{
+		Version: baseProtocolVersion,
+		ID:      node1.ID,
+		Caps:    []Cap{{"c", 1}, {"d", 3}},
+	}
+	fd0, fd1 := net.Pipe()
+
+	done := make(chan struct{})
+	go func() {
+		defer close(done)
+		conn0, err := setupConn(fd0, prv0, hs0, node1)
+		if err != nil {
+			t.Errorf("outbound side error: %v", err)
+			return
+		}
+		if conn0.ID != node1.ID {
+			t.Errorf("outbound conn id mismatch: got %v, want %v", conn0.ID, node1.ID)
+		}
+		if !reflect.DeepEqual(conn0.Caps, hs1.Caps) {
+			t.Errorf("outbound caps mismatch: got %v, want %v", conn0.Caps, hs1.Caps)
+		}
+	}()
+
+	conn1, err := setupConn(fd1, prv1, hs1, nil)
+	if err != nil {
+		t.Fatalf("inbound side error: %v", err)
+	}
+	if conn1.ID != node0.ID {
+		t.Errorf("inbound conn id mismatch: got %v, want %v", conn1.ID, node0.ID)
+	}
+	if !reflect.DeepEqual(conn1.Caps, hs0.Caps) {
+		t.Errorf("inbound caps mismatch: got %v, want %v", conn1.Caps, hs0.Caps)
+	}
+
+	<-done
+}

p2p/message.go

@@ -197,7 +197,7 @@ func (rw *frameRW) ReadMsg() (msg Msg, err error) {
 		return msg, err
 	}
 	if !bytes.HasPrefix(start, magicToken) {
-		return msg, fmt.Errorf("bad magic token %x", start[:4], magicToken)
+		return msg, fmt.Errorf("bad magic token %x", start[:4])
 	}
 	size := binary.BigEndian.Uint32(start[4:])
 

p2p/peer.go

@@ -21,6 +21,7 @@ const (
 	baseProtocolMaxMsgSize = 10 * 1024 * 1024
 
 	disconnectGracePeriod = 2 * time.Second
+	pingInterval          = 15 * time.Second
 )
 
 const (
@@ -33,37 +34,14 @@ const (
 	peersMsg     = 0x05
 )
 
-// handshake is the RLP structure of the protocol handshake.
-type handshake struct {
-	Version    uint64
-	Name       string
-	Caps       []Cap
-	ListenPort uint64
-	NodeID     discover.NodeID
-}
-
 // Peer represents a connected remote node.
 type Peer struct {
 	// Peers have all the log methods.
 	// Use them to display messages related to the peer.
 	*logger.Logger
 
-	infoMu sync.Mutex
+	rw      *conn
-	name   string
+	running map[string]*protoRW
-	caps   []Cap
-
-	ourID, remoteID *discover.NodeID
-	ourName         string
-
-	rw *frameRW
-
-	// These fields maintain the running protocols.
-	protocols []Protocol
-	runlock   sync.RWMutex // protects running
-	running   map[string]*proto
-
-	// disables protocol handshake, for testing
-	noHandshake bool
 
 	protoWG  sync.WaitGroup
 	protoErr chan error
@@ -73,36 +51,27 @@ type Peer struct {
 
 // NewPeer returns a peer for testing purposes.
 func NewPeer(id discover.NodeID, name string, caps []Cap) *Peer {
-	conn, _ := net.Pipe()
+	pipe, _ := net.Pipe()
-	peer := newPeer(conn, nil, "", nil, &id)
+	conn := newConn(pipe, &protoHandshake{ID: id, Name: name, Caps: caps})
-	peer.setHandshakeInfo(name, caps)
+	peer := newPeer(conn, nil)
 	close(peer.closed) // ensures Disconnect doesn't block
 	return peer
 }
 
 // ID returns the node's public key.
 func (p *Peer) ID() discover.NodeID {
-	return *p.remoteID
+	return p.rw.ID
 }
 
 // Name returns the node name that the remote node advertised.
 func (p *Peer) Name() string {
-	// this needs a lock because the information is part of the
+	return p.rw.Name
-	// protocol handshake.
-	p.infoMu.Lock()
-	name := p.name
-	p.infoMu.Unlock()
-	return name
 }
 
 // Caps returns the capabilities (supported subprotocols) of the remote peer.
 func (p *Peer) Caps() []Cap {
-	// this needs a lock because the information is part of the
+	// TODO: maybe return copy
-	// protocol handshake.
+	return p.rw.Caps
-	p.infoMu.Lock()
-	caps := p.caps
-	p.infoMu.Unlock()
-	return caps
 }
 
 // RemoteAddr returns the remote address of the network connection.
@@ -126,30 +95,20 @@ func (p *Peer) Disconnect(reason DiscReason) {
 
 // String implements fmt.Stringer.
 func (p *Peer) String() string {
-	return fmt.Sprintf("Peer %.8x %v", p.remoteID[:], p.RemoteAddr())
+	return fmt.Sprintf("Peer %.8x %v", p.rw.ID[:], p.RemoteAddr())
 }
 
-func newPeer(conn net.Conn, protocols []Protocol, ourName string, ourID, remoteID *discover.NodeID) *Peer {
+func newPeer(conn *conn, protocols []Protocol) *Peer {
-	logtag := fmt.Sprintf("Peer %.8x %v", remoteID[:], conn.RemoteAddr())
+	logtag := fmt.Sprintf("Peer %.8x %v", conn.ID[:], conn.RemoteAddr())
-	return &Peer{
+	p := &Peer{
-		Logger:    logger.NewLogger(logtag),
+		Logger:   logger.NewLogger(logtag),
-		rw:        newFrameRW(conn, msgWriteTimeout),
+		rw:       conn,
-		ourID:     ourID,
+		running:  matchProtocols(protocols, conn.Caps, conn),
-		ourName:   ourName,
+		disc:     make(chan DiscReason),
-		remoteID:  remoteID,
+		protoErr: make(chan error),
-		protocols: protocols,
+		closed:   make(chan struct{}),
-		running:   make(map[string]*proto),
-		disc:      make(chan DiscReason),
-		protoErr:  make(chan error),
-		closed:    make(chan struct{}),
 	}
-}
+	return p
-
-func (p *Peer) setHandshakeInfo(name string, caps []Cap) {
-	p.infoMu.Lock()
-	p.name = name
-	p.caps = caps
-	p.infoMu.Unlock()
 }
 
 func (p *Peer) run() DiscReason {
@@ -157,29 +116,36 @@ func (p *Peer) run() DiscReason {
 	defer p.closeProtocols()
 	defer close(p.closed)
 
+	p.startProtocols()
 	go func() { readErr <- p.readLoop() }()
 
-	if !p.noHandshake {
+	ping := time.NewTicker(pingInterval)
-		if err := writeProtocolHandshake(p.rw, p.ourName, *p.ourID, p.protocols); err != nil {
+	defer ping.Stop()
-			p.DebugDetailf("Protocol handshake error: %v\n", err)
-			p.rw.Close()
-			return DiscProtocolError
-		}
-	}
 
 	// Wait for an error or disconnect.
 	var reason DiscReason
-	select {
+loop:
-	case err := <-readErr:
+	for {
-		// We rely on protocols to abort if there is a write error. It
+		select {
-		// might be more robust to handle them here as well.
+		case <-ping.C:
-		p.DebugDetailf("Read error: %v\n", err)
+			go func() {
-		p.rw.Close()
+				if err := EncodeMsg(p.rw, pingMsg, nil); err != nil {
-		return DiscNetworkError
+					p.protoErr <- err
-
+					return
-	case err := <-p.protoErr:
+				}
-		reason = discReasonForError(err)
+			}()
-	case reason = <-p.disc:
+		case err := <-readErr:
+			// We rely on protocols to abort if there is a write error. It
+			// might be more robust to handle them here as well.
+			p.DebugDetailf("Read error: %v\n", err)
+			p.rw.Close()
+			return DiscNetworkError
+		case err := <-p.protoErr:
+			reason = discReasonForError(err)
+			break loop
+		case reason = <-p.disc:
+			break loop
+		}
 	}
 	p.politeDisconnect(reason)
 
@@ -206,11 +172,6 @@ func (p *Peer) politeDisconnect(reason DiscReason) {
 }
 
 func (p *Peer) readLoop() error {
-	if !p.noHandshake {
-		if err := readProtocolHandshake(p, p.rw); err != nil {
-			return err
-		}
-	}
 	for {
 		msg, err := p.rw.ReadMsg()
 		if err != nil {
@@ -249,105 +210,51 @@ func (p *Peer) handle(msg Msg) error {
 	return nil
 }
 
-func readProtocolHandshake(p *Peer, rw MsgReadWriter) error {
+// matchProtocols creates structures for matching named subprotocols.
-	// read and handle remote handshake
+func matchProtocols(protocols []Protocol, caps []Cap, rw MsgReadWriter) map[string]*protoRW {
-	msg, err := rw.ReadMsg()
-	if err != nil {
-		return err
-	}
-	if msg.Code == discMsg {
-		// disconnect before protocol handshake is valid according to the
-		// spec and we send it ourself if Server.addPeer fails.
-		var reason DiscReason
-		rlp.Decode(msg.Payload, &reason)
-		return discRequestedError(reason)
-	}
-	if msg.Code != handshakeMsg {
-		return newPeerError(errProtocolBreach, "expected handshake, got %x", msg.Code)
-	}
-	if msg.Size > baseProtocolMaxMsgSize {
-		return newPeerError(errInvalidMsg, "message too big")
-	}
-	var hs handshake
-	if err := msg.Decode(&hs); err != nil {
-		return err
-	}
-	// validate handshake info
-	if hs.Version != baseProtocolVersion {
-		return newPeerError(errP2PVersionMismatch, "required version %d, received %d\n",
-			baseProtocolVersion, hs.Version)
-	}
-	if hs.NodeID == *p.remoteID {
-		return newPeerError(errPubkeyForbidden, "node ID mismatch")
-	}
-	// TODO: remove Caps with empty name
-	p.setHandshakeInfo(hs.Name, hs.Caps)
-	p.startSubprotocols(hs.Caps)
-	return nil
-}
-
-func writeProtocolHandshake(w MsgWriter, name string, id discover.NodeID, ps []Protocol) error {
-	var caps []interface{}
-	for _, proto := range ps {
-		caps = append(caps, proto.cap())
-	}
-	return EncodeMsg(w, handshakeMsg, baseProtocolVersion, name, caps, 0, id)
-}
-
-// startProtocols starts matching named subprotocols.
-func (p *Peer) startSubprotocols(caps []Cap) {
 	sort.Sort(capsByName(caps))
-	p.runlock.Lock()
-	defer p.runlock.Unlock()
 	offset := baseProtocolLength
+	result := make(map[string]*protoRW)
 outer:
 	for _, cap := range caps {
-		for _, proto := range p.protocols {
+		for _, proto := range protocols {
-			if proto.Name == cap.Name &&
+			if proto.Name == cap.Name && proto.Version == cap.Version && result[cap.Name] == nil {
-				proto.Version == cap.Version &&
+				result[cap.Name] = &protoRW{Protocol: proto, offset: offset, in: make(chan Msg), w: rw}
-				p.running[cap.Name] == nil {
-				p.running[cap.Name] = p.startProto(offset, proto)
 				offset += proto.Length
 				continue outer
 			}
 		}
 	}
+	return result
 }
 
-func (p *Peer) startProto(offset uint64, impl Protocol) *proto {
+func (p *Peer) startProtocols() {
-	p.DebugDetailf("Starting protocol %s/%d\n", impl.Name, impl.Version)
+	for _, proto := range p.running {
-	rw := &proto{
+		proto := proto
-		name:    impl.Name,
+		p.DebugDetailf("Starting protocol %s/%d\n", proto.Name, proto.Version)
-		in:      make(chan Msg),
+		p.protoWG.Add(1)
-		offset:  offset,
+		go func() {
-		maxcode: impl.Length,
+			err := proto.Run(p, proto)
-		w:       p.rw,
+			if err == nil {
+				p.DebugDetailf("Protocol %s/%d returned\n", proto.Name, proto.Version)
+				err = errors.New("protocol returned")
+			} else {
+				p.DebugDetailf("Protocol %s/%d error: %v\n", proto.Name, proto.Version, err)
+			}
+			select {
+			case p.protoErr <- err:
+			case <-p.closed:
+			}
+			p.protoWG.Done()
+		}()
 	}
-	p.protoWG.Add(1)
-	go func() {
-		err := impl.Run(p, rw)
-		if err == nil {
-			p.DebugDetailf("Protocol %s/%d returned\n", impl.Name, impl.Version)
-			err = errors.New("protocol returned")
-		} else {
-			p.DebugDetailf("Protocol %s/%d error: %v\n", impl.Name, impl.Version, err)
-		}
-		select {
-		case p.protoErr <- err:
-		case <-p.closed:
-		}
-		p.protoWG.Done()
-	}()
-	return rw
 }
 
 // getProto finds the protocol responsible for handling
 // the given message code.
-func (p *Peer) getProto(code uint64) (*proto, error) {
+func (p *Peer) getProto(code uint64) (*protoRW, error) {
-	p.runlock.RLock()
-	defer p.runlock.RUnlock()
 	for _, proto := range p.running {
-		if code >= proto.offset && code < proto.offset+proto.maxcode {
+		if code >= proto.offset && code < proto.offset+proto.Length {
 			return proto, nil
 		}
 	}
@@ -355,46 +262,43 @@ func (p *Peer) getProto(code uint64) (*proto, error) {
 }
 
 func (p *Peer) closeProtocols() {
-	p.runlock.RLock()
 	for _, p := range p.running {
 		close(p.in)
 	}
-	p.runlock.RUnlock()
 	p.protoWG.Wait()
 }
 
 // writeProtoMsg sends the given message on behalf of the given named protocol.
 // this exists because of Server.Broadcast.
 func (p *Peer) writeProtoMsg(protoName string, msg Msg) error {
-	p.runlock.RLock()
 	proto, ok := p.running[protoName]
-	p.runlock.RUnlock()
 	if !ok {
 		return fmt.Errorf("protocol %s not handled by peer", protoName)
 	}
-	if msg.Code >= proto.maxcode {
+	if msg.Code >= proto.Length {
 		return newPeerError(errInvalidMsgCode, "code %x is out of range for protocol %q", msg.Code, protoName)
 	}
 	msg.Code += proto.offset
 	return p.rw.WriteMsg(msg)
 }
 
-type proto struct {
+type protoRW struct {
-	name            string
+	Protocol
-	in              chan Msg
+
-	maxcode, offset uint64
+	in     chan Msg
-	w               MsgWriter
+	offset uint64
+	w      MsgWriter
 }
 
-func (rw *proto) WriteMsg(msg Msg) error {
+func (rw *protoRW) WriteMsg(msg Msg) error {
-	if msg.Code >= rw.maxcode {
+	if msg.Code >= rw.Length {
 		return newPeerError(errInvalidMsgCode, "not handled")
 	}
 	msg.Code += rw.offset
 	return rw.w.WriteMsg(msg)
 }
 
-func (rw *proto) ReadMsg() (Msg, error) {
+func (rw *protoRW) ReadMsg() (Msg, error) {
 	msg, ok := <-rw.in
 	if !ok {
 		return msg, io.EOF

p2p/peer_test.go

@@ -6,11 +6,9 @@ import (
 	"io/ioutil"
 	"net"
 	"reflect"
-	"sort"
 	"testing"
 	"time"
 
-	"github.com/ethereum/go-ethereum/p2p/discover"
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
@@ -23,6 +21,7 @@ var discard = Protocol{
 			if err != nil {
 				return err
 			}
+			fmt.Printf("discarding %d\n", msg.Code)
 			if err = msg.Discard(); err != nil {
 				return err
 			}
@@ -30,13 +29,20 @@ var discard = Protocol{
 	},
 }
 
-func testPeer(noHandshake bool, protos []Protocol) (*frameRW, *Peer, <-chan DiscReason) {
+func testPeer(protos []Protocol) (*conn, *Peer, <-chan DiscReason) {
-	conn1, conn2 := net.Pipe()
+	fd1, fd2 := net.Pipe()
-	peer := newPeer(conn1, protos, "name", &discover.NodeID{}, &discover.NodeID{})
+	hs1 := &protoHandshake{ID: randomID(), Version: baseProtocolVersion}
-	peer.noHandshake = noHandshake
+	hs2 := &protoHandshake{ID: randomID(), Version: baseProtocolVersion}
+	for _, p := range protos {
+		hs1.Caps = append(hs1.Caps, p.cap())
+		hs2.Caps = append(hs2.Caps, p.cap())
+	}
+
+	peer := newPeer(newConn(fd1, hs1), protos)
 	errc := make(chan DiscReason, 1)
 	go func() { errc <- peer.run() }()
-	return newFrameRW(conn2, msgWriteTimeout), peer, errc
+
+	return newConn(fd2, hs2), peer, errc
 }
 
 func TestPeerProtoReadMsg(t *testing.T) {
@@ -61,9 +67,8 @@ func TestPeerProtoReadMsg(t *testing.T) {
 		},
 	}
 
-	rw, peer, errc := testPeer(true, []Protocol{proto})
+	rw, _, errc := testPeer([]Protocol{proto})
 	defer rw.Close()
-	peer.startSubprotocols([]Cap{proto.cap()})
 
 	EncodeMsg(rw, baseProtocolLength+2, 1)
 	EncodeMsg(rw, baseProtocolLength+3, 2)
@@ -100,9 +105,8 @@ func TestPeerProtoReadLargeMsg(t *testing.T) {
 		},
 	}
 
-	rw, peer, errc := testPeer(true, []Protocol{proto})
+	rw, _, errc := testPeer([]Protocol{proto})
 	defer rw.Close()
-	peer.startSubprotocols([]Cap{proto.cap()})
 
 	EncodeMsg(rw, 18, make([]byte, msgsize))
 	select {
@@ -130,9 +134,8 @@ func TestPeerProtoEncodeMsg(t *testing.T) {
 			return nil
 		},
 	}
-	rw, peer, _ := testPeer(true, []Protocol{proto})
+	rw, _, _ := testPeer([]Protocol{proto})
 	defer rw.Close()
-	peer.startSubprotocols([]Cap{proto.cap()})
 
 	if err := expectMsg(rw, 17, []string{"foo", "bar"}); err != nil {
 		t.Error(err)
@@ -142,9 +145,8 @@ func TestPeerProtoEncodeMsg(t *testing.T) {
 func TestPeerWriteForBroadcast(t *testing.T) {
 	defer testlog(t).detach()
 
-	rw, peer, peerErr := testPeer(true, []Protocol{discard})
+	rw, peer, peerErr := testPeer([]Protocol{discard})
 	defer rw.Close()
-	peer.startSubprotocols([]Cap{discard.cap()})
 
 	// test write errors
 	if err := peer.writeProtoMsg("b", NewMsg(3)); err == nil {
@@ -160,7 +162,7 @@ func TestPeerWriteForBroadcast(t *testing.T) {
 	read := make(chan struct{})
 	go func() {
 		if err := expectMsg(rw, 16, nil); err != nil {
-			t.Error()
+			t.Error(err)
 		}
 		close(read)
 	}()
@@ -179,7 +181,7 @@ func TestPeerWriteForBroadcast(t *testing.T) {
 func TestPeerPing(t *testing.T) {
 	defer testlog(t).detach()
 
-	rw, _, _ := testPeer(true, nil)
+	rw, _, _ := testPeer(nil)
 	defer rw.Close()
 	if err := EncodeMsg(rw, pingMsg); err != nil {
 		t.Fatal(err)
@@ -192,7 +194,7 @@ func TestPeerPing(t *testing.T) {
 func TestPeerDisconnect(t *testing.T) {
 	defer testlog(t).detach()
 
-	rw, _, disc := testPeer(true, nil)
+	rw, _, disc := testPeer(nil)
 	defer rw.Close()
 	if err := EncodeMsg(rw, discMsg, DiscQuitting); err != nil {
 		t.Fatal(err)
@@ -206,73 +208,6 @@ func TestPeerDisconnect(t *testing.T) {
 	}
 }
 
-func TestPeerHandshake(t *testing.T) {
-	defer testlog(t).detach()
-
-	// remote has two matching protocols: a and c
-	remote := NewPeer(randomID(), "", []Cap{{"a", 1}, {"b", 999}, {"c", 3}})
-	remoteID := randomID()
-	remote.ourID = &remoteID
-	remote.ourName = "remote peer"
-
-	start := make(chan string)
-	stop := make(chan struct{})
-	run := func(p *Peer, rw MsgReadWriter) error {
-		name := rw.(*proto).name
-		if name != "a" && name != "c" {
-			t.Errorf("protocol %q should not be started", name)
-		} else {
-			start <- name
-		}
-		<-stop
-		return nil
-	}
-	protocols := []Protocol{
-		{Name: "a", Version: 1, Length: 1, Run: run},
-		{Name: "b", Version: 2, Length: 1, Run: run},
-		{Name: "c", Version: 3, Length: 1, Run: run},
-		{Name: "d", Version: 4, Length: 1, Run: run},
-	}
-	rw, p, disc := testPeer(false, protocols)
-	p.remoteID = remote.ourID
-	defer rw.Close()
-
-	// run the handshake
-	remoteProtocols := []Protocol{protocols[0], protocols[2]}
-	if err := writeProtocolHandshake(rw, "remote peer", remoteID, remoteProtocols); err != nil {
-		t.Fatalf("handshake write error: %v", err)
-	}
-	if err := readProtocolHandshake(remote, rw); err != nil {
-		t.Fatalf("handshake read error: %v", err)
-	}
-
-	// check that all protocols have been started
-	var started []string
-	for i := 0; i < 2; i++ {
-		select {
-		case name := <-start:
-			started = append(started, name)
-		case <-time.After(100 * time.Millisecond):
-		}
-	}
-	sort.Strings(started)
-	if !reflect.DeepEqual(started, []string{"a", "c"}) {
-		t.Errorf("wrong protocols started: %v", started)
-	}
-
-	// check that metadata has been set
-	if p.ID() != remoteID {
-		t.Errorf("peer has wrong node ID: got %v, want %v", p.ID(), remoteID)
-	}
-	if p.Name() != remote.ourName {
-		t.Errorf("peer has wrong node name: got %q, want %q", p.Name(), remote.ourName)
-	}
-
-	close(stop)
-	expectMsg(rw, discMsg, nil)
-	t.Logf("disc reason: %v", <-disc)
-}
-
 func TestNewPeer(t *testing.T) {
 	name := "nodename"
 	caps := []Cap{{"foo", 2}, {"bar", 3}}

p2p/server.go

@@ -5,7 +5,6 @@ import (
 	"crypto/ecdsa"
 	"errors"
 	"fmt"
-	"io"
 	"net"
 	"runtime"
 	"sync"
@@ -23,6 +22,7 @@ const (
 )
 
 var srvlog = logger.NewLogger("P2P Server")
+var srvjslog = logger.NewJsonLogger()
 
 // MakeName creates a node name that follows the ethereum convention
 // for such names. It adds the operation system name and Go runtime version
@@ -83,9 +83,11 @@ type Server struct {
 
 	// Hooks for testing. These are useful because we can inhibit
 	// the whole protocol stack.
-	handshakeFunc
+	setupFunc
 	newPeerHook
 
+	ourHandshake *protoHandshake
+
 	lock     sync.RWMutex
 	running  bool
 	listener net.Listener
@@ -99,7 +101,7 @@ type Server struct {
 	peerConnect chan *discover.Node
 }
 
-type handshakeFunc func(io.ReadWriter, *ecdsa.PrivateKey, *discover.Node) (discover.NodeID, []byte, error)
+type setupFunc func(net.Conn, *ecdsa.PrivateKey, *protoHandshake, *discover.Node) (*conn, error)
 type newPeerHook func(*Peer)
 
 // Peers returns all connected peers.
@@ -159,7 +161,7 @@ func (srv *Server) Start() (err error) {
 	}
 	srvlog.Infoln("Starting Server")
 
-	// initialize all the fields
+	// static fields
 	if srv.PrivateKey == nil {
 		return fmt.Errorf("Server.PrivateKey must be set to a non-nil key")
 	}
@@ -169,25 +171,32 @@ func (srv *Server) Start() (err error) {
 	srv.quit = make(chan struct{})
 	srv.peers = make(map[discover.NodeID]*Peer)
 	srv.peerConnect = make(chan *discover.Node)
-
+	if srv.setupFunc == nil {
-	if srv.handshakeFunc == nil {
+		srv.setupFunc = setupConn
-		srv.handshakeFunc = encHandshake
 	}
 	if srv.Blacklist == nil {
 		srv.Blacklist = NewBlacklist()
 	}
+
+	// node table
+	ntab, err := discover.ListenUDP(srv.PrivateKey, srv.ListenAddr, srv.NAT)
+	if err != nil {
+		return err
+	}
+	srv.ntab = ntab
+
+	// handshake
+	srv.ourHandshake = &protoHandshake{Version: baseProtocolVersion, Name: srv.Name, ID: ntab.Self()}
+	for _, p := range srv.Protocols {
+		srv.ourHandshake.Caps = append(srv.ourHandshake.Caps, p.cap())
+	}
+
+	// listen/dial
 	if srv.ListenAddr != "" {
 		if err := srv.startListening(); err != nil {
 			return err
 		}
 	}
-
-	// dial stuff
-	dt, err := discover.ListenUDP(srv.PrivateKey, srv.ListenAddr, srv.NAT)
-	if err != nil {
-		return err
-	}
-	srv.ntab = dt
 	if srv.Dialer == nil {
 		srv.Dialer = &net.Dialer{Timeout: defaultDialTimeout}
 	}
@@ -347,30 +356,41 @@ func (srv *Server) findPeers() {
 	}
 }
 
-func (srv *Server) startPeer(conn net.Conn, dest *discover.Node) {
+func (srv *Server) startPeer(fd net.Conn, dest *discover.Node) {
 	// TODO: handle/store session token
-	conn.SetDeadline(time.Now().Add(handshakeTimeout))
+	fd.SetDeadline(time.Now().Add(handshakeTimeout))
-	remoteID, _, err := srv.handshakeFunc(conn, srv.PrivateKey, dest)
+	conn, err := srv.setupFunc(fd, srv.PrivateKey, srv.ourHandshake, dest)
 	if err != nil {
-		conn.Close()
+		fd.Close()
-		srvlog.Debugf("Encryption Handshake with %v failed: %v", conn.RemoteAddr(), err)
+		srvlog.Debugf("Handshake with %v failed: %v", fd.RemoteAddr(), err)
 		return
 	}
-	ourID := srv.ntab.Self()
+	p := newPeer(conn, srv.Protocols)
-	p := newPeer(conn, srv.Protocols, srv.Name, &ourID, &remoteID)
+	if ok, reason := srv.addPeer(conn.ID, p); !ok {
-	if ok, reason := srv.addPeer(remoteID, p); !ok {
 		srvlog.DebugDetailf("Not adding %v (%v)\n", p, reason)
 		p.politeDisconnect(reason)
 		return
 	}
+
 	srvlog.Debugf("Added %v\n", p)
+	srvjslog.LogJson(&logger.P2PConnected{
+		RemoteId:            fmt.Sprintf("%x", conn.ID[:]),
+		RemoteAddress:       conn.RemoteAddr().String(),
+		RemoteVersionString: conn.Name,
+		NumConnections:      srv.PeerCount(),
+	})
 
 	if srv.newPeerHook != nil {
 		srv.newPeerHook(p)
 	}
 	discreason := p.run()
 	srv.removePeer(p)
+
 	srvlog.Debugf("Removed %v (%v)\n", p, discreason)
+	srvjslog.LogJson(&logger.P2PDisconnected{
+		RemoteId:       fmt.Sprintf("%x", conn.ID[:]),
+		NumConnections: srv.PeerCount(),
+	})
 }
 
 func (srv *Server) addPeer(id discover.NodeID, p *Peer) (bool, DiscReason) {
@@ -394,7 +414,7 @@ func (srv *Server) addPeer(id discover.NodeID, p *Peer) (bool, DiscReason) {
 
 func (srv *Server) removePeer(p *Peer) {
 	srv.lock.Lock()
-	delete(srv.peers, *p.remoteID)
+	delete(srv.peers, p.ID())
 	srv.lock.Unlock()
 	srv.peerWG.Done()
 }

p2p/server_test.go

@@ -21,8 +21,12 @@ func startTestServer(t *testing.T, pf newPeerHook) *Server {
 		ListenAddr:  "127.0.0.1:0",
 		PrivateKey:  newkey(),
 		newPeerHook: pf,
-		handshakeFunc: func(io.ReadWriter, *ecdsa.PrivateKey, *discover.Node) (id discover.NodeID, st []byte, err error) {
+		setupFunc: func(fd net.Conn, prv *ecdsa.PrivateKey, our *protoHandshake, dial *discover.Node) (*conn, error) {
-			return randomID(), nil, err
+			id := randomID()
+			return &conn{
+				frameRW:        newFrameRW(fd, msgWriteTimeout),
+				protoHandshake: &protoHandshake{ID: id, Version: baseProtocolVersion},
+			}, nil
 		},
 	}
 	if err := server.Start(); err != nil {
@@ -116,9 +120,7 @@ func TestServerBroadcast(t *testing.T) {
 
 	var connected sync.WaitGroup
 	srv := startTestServer(t, func(p *Peer) {
-		p.protocols = []Protocol{discard}
+		p.running = matchProtocols([]Protocol{discard}, []Cap{discard.cap()}, p.rw)
-		p.startSubprotocols([]Cap{discard.cap()})
-		p.noHandshake = true
 		connected.Done()
 	})
 	defer srv.Stop()