Merge branch 'logjson' into develop

10 files changed, 638 insertions, 133 deletions

diff --git a/cmd/ethereum/flags.go b/cmd/ethereum/flags.go
index af57c6a67..bcdd7aa84 100644
--- a/cmd/ethereum/flags.go
+++ b/cmd/ethereum/flags.go
@@ -58,6 +58,7 @@ var (
 	ConfigFile      string
 	DebugFile       string
 	LogLevel        int
+	LogFormat       string
 	Dump            bool
 	DumpHash        string
 	DumpNumber      int
@@ -112,6 +113,7 @@ func Init() {
 	flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
 	flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)")
 	flag.IntVar(&LogLevel, "loglevel", int(logger.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
+	flag.StringVar(&LogFormat, "logformat", "std", "logformat: std,raw)")
 	flag.BoolVar(&DiffTool, "difftool", false, "creates output for diff'ing. Sets LogLevel=0")
 	flag.StringVar(&DiffType, "diff", "all", "sets the level of diff output [vm, all]. Has no effect if difftool=false")
 	flag.BoolVar(&ShowGenesis, "genesis", false, "Dump the genesis block")
diff --git a/cmd/ethereum/main.go b/cmd/ethereum/main.go
index 4b16fb79f..f8851ecd3 100644
--- a/cmd/ethereum/main.go
+++ b/cmd/ethereum/main.go
@@ -67,6 +67,7 @@ func main() {
 		DataDir:    Datadir,
 		LogFile:    LogFile,
 		LogLevel:   LogLevel,
+		LogFormat:  LogFormat,
 		Identifier: Identifier,
 		MaxPeers:   MaxPeer,
 		Port:       OutboundPort,
diff --git a/cmd/mist/assets/examples/coin.js b/cmd/mist/assets/examples/coin.js
index ada9d196c..d69af5dcb 100644
--- a/cmd/mist/assets/examples/coin.js
+++ b/cmd/mist/assets/examples/coin.js
@@ -1 +1,64 @@
-var contract = web3.eth.contractFromAbi([{"constant":false,"inputs":[{"name":"_h","type":"hash256"}],"name":"confirm","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"execute","outputs":[{"name":"_r","type":"hash256"}],"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"}],"name":"kill","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"}],"name":"changeOwner","outputs":[],"type":"function"},{"inputs":[{"indexed":false,"name":"value","type":"uint256"}],"name":"CashIn","type":"event"},{"inputs":[{"indexed":true,"name":"out","type":"string32"},{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"to","type":"address"}],"name":"SingleTransact","type":"event"},{"inputs":[{"indexed":true,"name":"out","type":"string32"},{"indexed":false,"name":"owner","type":"address"},{"indexed":false,"name":"operation","type":"hash256"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"to","type":"address"}],"name":"MultiTransact","type":"event"}]);
+var contract = web3.eth.contractFromAbi([
+    {
+	"constant":false,
+	"inputs":[
+	    {"name":"_h","type":"hash256"}
+	],
+	"name":"confirm",
+	"outputs":[],
+	"type":"function"
+    },{
+	"constant":false,
+	"inputs":[
+	    {"name":_to,"type":"address"},
+	    {"name":"_value","type":"uint256"},
+	    {"name":"_data","type":"bytes"}
+	],
+	"name":"execute",
+	"outputs":[
+	    {"name":"_r","type":"hash256"}
+	],
+	"type":"function"
+    },{
+	"constant":false,
+	"inputs":[
+	    {"name":"_to","type":"address"}
+	],"name":"kill",
+	"outputs":[],
+	"type":"function"
+    },{
+	"constant":false,
+	"inputs":[
+	    {"name":"_from","type":"address"},
+	    {"name":"_to","type":"address"}
+	],
+	"name":"changeOwner",
+	"outputs":[],
+	"type":"function"
+    },{
+	"inputs":[
+	    {"indexed":false,"name":"value","type":"uint256"}
+	],
+	"name":"CashIn",
+	"type":"event"
+    },{
+	"inputs":[
+	    {"indexed":true,"name":"out","type":"string32"},
+	    {"indexed":false,"name":"owner","type":"address"},
+	    {"indexed":false,"name":"value","type":"uint256"},
+	    {"indexed":false,"name":"to","type":"address"}
+	],
+	"name":"SingleTransact",
+	"type":"event"
+    },{
+	"inputs":[
+	    {"indexed":true,"name":"out","type":"string32"},
+	    {"indexed":false,"name":"owner","type":"address"},
+	    {"indexed":false,"name":"operation","type":"hash256"},
+	    {"indexed":false,"name":"value","type":"uint256"},
+	    {"indexed":false,"name":"to","type":"address"}
+	],
+	"name":"MultiTransact",
+	"type":"event"
+    }
+]);
diff --git a/eth/backend.go b/eth/backend.go
index 43e757435..ab348afe5 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -25,6 +25,7 @@ type Config struct {
 	DataDir    string
 	LogFile    string
 	LogLevel   int
+	LogFormat  string
 	KeyRing    string
 
 	MaxPeers   int
@@ -39,6 +40,7 @@ type Config struct {
 }
 
 var logger = ethlogger.NewLogger("SERV")
+var jsonlogger = ethlogger.NewJsonLogger()
 
 type Ethereum struct {
 	// Channel for shutting down the ethereum
@@ -77,7 +79,7 @@ type Ethereum struct {
 
 func New(config *Config) (*Ethereum, error) {
 	// Boostrap database
-	logger := ethlogger.New(config.DataDir, config.LogFile, config.LogLevel)
+	logger := ethlogger.New(config.DataDir, config.LogFile, config.LogLevel, config.LogFormat)
 	db, err := ethdb.NewLDBDatabase("blockchain")
 	if err != nil {
 		return nil, err
@@ -220,6 +222,13 @@ func (s *Ethereum) Coinbase() []byte {
 
 // Start the ethereum
 func (s *Ethereum) Start(seedNode string) error {
+	jsonlogger.LogJson(&ethlogger.LogStarting{
+		ClientString:    s.ClientIdentity().String(),
+		Coinbase:        ethutil.Bytes2Hex(s.KeyManager().Address()),
+		ProtocolVersion: ProtocolVersion,
+		LogEvent:        ethlogger.LogEvent{Guid: ethutil.Bytes2Hex(s.ClientIdentity().Pubkey())},
+	})
+
 	err := s.net.Start()
 	if err != nil {
 		return err
diff --git a/logger/log.go b/logger/log.go
index 53065f870..baa3dfaf2 100644
--- a/logger/log.go
+++ b/logger/log.go
@@ -18,7 +18,7 @@ func openLogFile(datadir string, filename string) *os.File {
 	return file
 }
 
-func New(datadir string, logFile string, logLevel int) LogSystem {
+func New(datadir string, logFile string, logLevel int, logFormat string) LogSystem {
 	var writer io.Writer
 	if logFile == "" {
 		writer = os.Stdout
@@ -26,7 +26,13 @@ func New(datadir string, logFile string, logLevel int) LogSystem {
 		writer = openLogFile(datadir, logFile)
 	}
 
-	sys := NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel))
+	var sys LogSystem
+	switch logFormat {
+	case "raw":
+		sys = NewRawLogSystem(writer, 0, LogLevel(logLevel))
+	default:
+		sys = NewStdLogSystem(writer, log.LstdFlags, LogLevel(logLevel))
+	}
 	AddLogSystem(sys)
 
 	return sys
diff --git a/logger/loggers.go b/logger/loggers.go
index 1bf7bfa0e..147b2b85f 100644
--- a/logger/loggers.go
+++ b/logger/loggers.go
@@ -13,28 +13,12 @@ logging of mutable state.
 package logger
 
 import (
+	"encoding/json"
 	"fmt"
-	"io"
-	"log"
 	"os"
-	"sync"
-	"sync/atomic"
 )
 
-// LogSystem is implemented by log output devices.
-// All methods can be called concurrently from multiple goroutines.
-type LogSystem interface {
-	GetLogLevel() LogLevel
-	SetLogLevel(i LogLevel)
-	LogPrint(LogLevel, string)
-}
-
-type message struct {
-	level LogLevel
-	msg   string
-}
-
-type LogLevel uint8
+type LogLevel uint32
 
 const (
 	// Standard log levels
@@ -44,102 +28,9 @@ const (
 	InfoLevel
 	DebugLevel
 	DebugDetailLevel
+	JsonLevel = 1000
 )
 
-var (
-	logMessageC = make(chan message)
-	addSystemC  = make(chan LogSystem)
-	flushC      = make(chan chan struct{})
-	resetC      = make(chan chan struct{})
-)
-
-func init() {
-	go dispatchLoop()
-}
-
-// each system can buffer this many messages before
-// blocking incoming log messages.
-const sysBufferSize = 500
-
-func dispatchLoop() {
-	var (
-		systems  []LogSystem
-		systemIn []chan message
-		systemWG sync.WaitGroup
-	)
-	bootSystem := func(sys LogSystem) {
-		in := make(chan message, sysBufferSize)
-		systemIn = append(systemIn, in)
-		systemWG.Add(1)
-		go sysLoop(sys, in, &systemWG)
-	}
-
-	for {
-		select {
-		case msg := <-logMessageC:
-			for _, c := range systemIn {
-				c <- msg
-			}
-
-		case sys := <-addSystemC:
-			systems = append(systems, sys)
-			bootSystem(sys)
-
-		case waiter := <-resetC:
-			// reset means terminate all systems
-			for _, c := range systemIn {
-				close(c)
-			}
-			systems = nil
-			systemIn = nil
-			systemWG.Wait()
-			close(waiter)
-
-		case waiter := <-flushC:
-			// flush means reboot all systems
-			for _, c := range systemIn {
-				close(c)
-			}
-			systemIn = nil
-			systemWG.Wait()
-			for _, sys := range systems {
-				bootSystem(sys)
-			}
-			close(waiter)
-		}
-	}
-}
-
-func sysLoop(sys LogSystem, in <-chan message, wg *sync.WaitGroup) {
-	for msg := range in {
-		if sys.GetLogLevel() >= msg.level {
-			sys.LogPrint(msg.level, msg.msg)
-		}
-	}
-	wg.Done()
-}
-
-// Reset removes all active log systems.
-// It blocks until all current messages have been delivered.
-func Reset() {
-	waiter := make(chan struct{})
-	resetC <- waiter
-	<-waiter
-}
-
-// Flush waits until all current log messages have been dispatched to
-// the active log systems.
-func Flush() {
-	waiter := make(chan struct{})
-	flushC <- waiter
-	<-waiter
-}
-
-// AddLogSystem starts printing messages to the given LogSystem.
-func AddLogSystem(sys LogSystem) {
-	addSystemC <- sys
-}
-
 // A Logger prints messages prefixed by a given tag. It provides named
 // Printf and Println style methods for all loglevels. Each ethereum
 // component should have its own logger with a unique prefix.
@@ -223,26 +114,21 @@ func (logger *Logger) Fatalf(format string, v ...interface{}) {
 	os.Exit(0)
 }
 
-// NewStdLogSystem creates a LogSystem that prints to the given writer.
-// The flag values are defined package log.
-func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
-	logger := log.New(writer, "", flags)
-	return &stdLogSystem{logger, uint32(level)}
+type JsonLogger struct {
+	Coinbase string
 }
 
-type stdLogSystem struct {
-	logger *log.Logger
-	level  uint32
+func NewJsonLogger() *JsonLogger {
+	return &JsonLogger{}
 }
 
-func (t *stdLogSystem) LogPrint(level LogLevel, msg string) {
-	t.logger.Print(msg)
-}
+func (logger *JsonLogger) LogJson(v JsonLog) {
+	msgname := v.EventName()
+	obj := map[string]interface{}{
+		msgname: v,
+	}
 
-func (t *stdLogSystem) SetLogLevel(i LogLevel) {
-	atomic.StoreUint32(&t.level, uint32(i))
-}
+	jsontxt, _ := json.Marshal(obj)
+	logMessageC <- message{JsonLevel, string(jsontxt)}
 
-func (t *stdLogSystem) GetLogLevel() LogLevel {
-	return LogLevel(atomic.LoadUint32(&t.level))
 }
diff --git a/logger/logsystem.go b/logger/logsystem.go
new file mode 100644
index 000000000..8458b938f
--- /dev/null
+++ b/logger/logsystem.go
@@ -0,0 +1,63 @@
+package logger
+
+import (
+	"io"
+	"log"
+	"sync/atomic"
+)
+
+// LogSystem is implemented by log output devices.
+// All methods can be called concurrently from multiple goroutines.
+type LogSystem interface {
+	GetLogLevel() LogLevel
+	SetLogLevel(i LogLevel)
+	LogPrint(LogLevel, string)
+}
+
+// NewStdLogSystem creates a LogSystem that prints to the given writer.
+// The flag values are defined package log.
+func NewStdLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
+	logger := log.New(writer, "", flags)
+	return &stdLogSystem{logger, uint32(level)}
+}
+
+type stdLogSystem struct {
+	logger *log.Logger
+	level  uint32
+}
+
+func (t *stdLogSystem) LogPrint(level LogLevel, msg string) {
+	t.logger.Print(msg)
+}
+
+func (t *stdLogSystem) SetLogLevel(i LogLevel) {
+	atomic.StoreUint32(&t.level, uint32(i))
+}
+
+func (t *stdLogSystem) GetLogLevel() LogLevel {
+	return LogLevel(atomic.LoadUint32(&t.level))
+}
+
+// NewRawLogSystem creates a LogSystem that prints to the given writer without
+// adding extra information. Suitable for preformatted output
+func NewRawLogSystem(writer io.Writer, flags int, level LogLevel) LogSystem {
+	logger := log.New(writer, "", 0)
+	return &rawLogSystem{logger, uint32(level)}
+}
+
+type rawLogSystem struct {
+	logger *log.Logger
+	level  uint32
+}
+
+func (t *rawLogSystem) LogPrint(level LogLevel, msg string) {
+	t.logger.Print(msg)
+}
+
+func (t *rawLogSystem) SetLogLevel(i LogLevel) {
+	atomic.StoreUint32(&t.level, uint32(i))
+}
+
+func (t *rawLogSystem) GetLogLevel() LogLevel {
+	return LogLevel(atomic.LoadUint32(&t.level))
+}
diff --git a/logger/sys.go b/logger/sys.go
new file mode 100644
index 000000000..bd826b587
--- /dev/null
+++ b/logger/sys.go
@@ -0,0 +1,112 @@
+package logger
+
+import (
+	"sync"
+)
+
+type message struct {
+	level LogLevel
+	msg   string
+}
+
+var (
+	logMessageC = make(chan message)
+	addSystemC  = make(chan LogSystem)
+	flushC      = make(chan chan struct{})
+	resetC      = make(chan chan struct{})
+)
+
+func init() {
+	go dispatchLoop()
+}
+
+// each system can buffer this many messages before
+// blocking incoming log messages.
+const sysBufferSize = 500
+
+func dispatchLoop() {
+	var (
+		systems  []LogSystem
+		systemIn []chan message
+		systemWG sync.WaitGroup
+	)
+	bootSystem := func(sys LogSystem) {
+		in := make(chan message, sysBufferSize)
+		systemIn = append(systemIn, in)
+		systemWG.Add(1)
+		go sysLoop(sys, in, &systemWG)
+	}
+
+	for {
+		select {
+		case msg := <-logMessageC:
+			for _, c := range systemIn {
+				c <- msg
+			}
+
+		case sys := <-addSystemC:
+			systems = append(systems, sys)
+			bootSystem(sys)
+
+		case waiter := <-resetC:
+			// reset means terminate all systems
+			for _, c := range systemIn {
+				close(c)
+			}
+			systems = nil
+			systemIn = nil
+			systemWG.Wait()
+			close(waiter)
+
+		case waiter := <-flushC:
+			// flush means reboot all systems
+			for _, c := range systemIn {
+				close(c)
+			}
+			systemIn = nil
+			systemWG.Wait()
+			for _, sys := range systems {
+				bootSystem(sys)
+			}
+			close(waiter)
+		}
+	}
+}
+
+func sysLoop(sys LogSystem, in <-chan message, wg *sync.WaitGroup) {
+	for msg := range in {
+		switch sys.(type) {
+		case *rawLogSystem:
+			// This is a semantic hack since rawLogSystem has little to do with JsonLevel
+			if msg.level == JsonLevel {
+				sys.LogPrint(msg.level, msg.msg)
+			}
+		default:
+			if sys.GetLogLevel() >= msg.level {
+				sys.LogPrint(msg.level, msg.msg)
+			}
+		}
+	}
+	wg.Done()
+}
+
+// Reset removes all active log systems.
+// It blocks until all current messages have been delivered.
+func Reset() {
+	waiter := make(chan struct{})
+	resetC <- waiter
+	<-waiter
+}
+
+// Flush waits until all current log messages have been dispatched to
+// the active log systems.
+func Flush() {
+	waiter := make(chan struct{})
+	flushC <- waiter
+	<-waiter
+}
+
+// AddLogSystem starts printing messages to the given LogSystem.
+func AddLogSystem(sys LogSystem) {
+	addSystemC <- sys
+}
diff --git a/logger/types.go b/logger/types.go
new file mode 100644
index 000000000..f8dcb4e78
--- /dev/null
+++ b/logger/types.go
@@ -0,0 +1,360 @@
+package logger
+
+import (
+	"time"
+)
+
+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
+}
+
+type JsonLog interface {
+	EventName() string
+}
+
+type LogEvent struct {
+	Guid string      `json:"guid"`
+	Ts   utctime8601 `json:"ts"`
+	// Level string      `json:"level"`
+}
+
+type LogStarting struct {
+	ClientString    string `json:"version_string"`
+	Coinbase        string `json:"coinbase"`
+	ProtocolVersion int    `json:"eth_version"`
+	LogEvent
+}
+
+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 {
+	NumConnections int    `json:"num_connections"`
+	RemoteId       string `json:"remote_id"`
+	LogEvent
+}
+
+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"`
+	LogEvent
+}
+
+func (l *P2PDisconnected) EventName() string {
+	return "p2p.disconnected"
+}
+
+type P2PDisconnecting struct {
+	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 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"`
+	TxAddress string `json:"tx_address"`
+	TxHexRLP  string `json:"tx_hexrlp"`
+	RemoteId  string `json:"remote_id"`
+	TxNonce   int    `json:"tx_nonce"`
+	LogEvent
+}
+
+func (l *EthTxReceived) EventName() string {
+	return "eth.tx.received"
+}
+
+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"
+}
diff --git a/p2p/server.go b/p2p/server.go
index 4fd1f7d03..e0d9f18a5 100644
--- a/p2p/server.go
+++ b/p2p/server.go
@@ -375,7 +375,10 @@ func (srv *Server) addPeer(conn net.Conn, desc *peerAddr, slot int) *Peer {
 	peer.slot = slot
 	srv.peers[slot] = peer
 	srv.peerCount++
-	go func() { peer.loop(); srv.peerDisconnect <- peer }()
+	go func() {
+		peer.loop()
+		srv.peerDisconnect <- peer
+	}()
 	return peer
 }