Emit messages logs for processing and sorting out messaging problems (#420)

* Add DeliveryService to Whisper to track incoming and outgoing messages.
* Have log tagged log lines for incoming and outgoing messages.

e2e/node/manager_test.go

@@ -477,7 +477,7 @@ func (s *ManagerTestSuite) TestNodeStartCrash() {
 	s.NoError(err)
 
 	// start node outside the manager (on the same port), so that manager node.Start() method fails
-	outsideNode, err := node.MakeNode(nodeConfig)
+	outsideNode, err := node.MakeNode(nodeConfig, node.LogDeliveryService{})
 	s.NoError(err)
 	err = outsideNode.Start()
 	s.NoError(err)

geth/common/types.go

@@ -43,6 +43,34 @@ func (k *SelectedExtKey) Hex() string {
 	return k.Address.Hex()
 }
 
+// MessageState defines a struct to hold given facts about a message stat.
+type MessageState struct {
+	// Type defines Direction type: IncomingMessage or OutgoingMessage.
+	Type string `json:"type"`
+	// Protocol defines means of transmission in whisper: RPC or P2P.
+	Protocol string `json:"protocol"`
+	// Status defines current status of message: Pending, Delivered, Rejected, etc.
+	Status string `json:"status"`
+	// Envelope struct holding encrypted message.
+	Envelope []byte `json:"envelope"`
+	// Time in of sent time of message.
+	TimeSent uint32 `json:"time,omitempty"`
+	// Received defines time when delivery notification was received
+	Received time.Time `json:"received"`
+	// Payload associated with envelope.
+	Payload []byte `json:"payload,omitempty"`
+	// Hash defines the Envelope's hash
+	Hash string `json:"envelope_hash"`
+	// FromDevice defines the device sending message if value is extractable.
+	FromDevice string `json:"from_device,omitempty"`
+	// ToDevice defines the receiving message if value is extractable.
+	ToDevice string `json:"to_device,omitempty"`
+	// RejectionError defines the error message when message ending with a Rejected status.
+	RejectionError string `json:"rejection_reason,omitempty"`
+	// Source of message when type is Outgoing which contains raw rpc data.
+	Source whisper.NewMessage `json:"source,omitempty"`
+}
+
 // NodeManager defines expected methods for managing Status node
 type NodeManager interface {
 	// StartNode start Status node, fails if node is already started

geth/node/delivery.go

@@ -0,0 +1,78 @@
+package node
+
+import (
+	"encoding/base64"
+	"encoding/json"
+
+	gethcommon "github.com/ethereum/go-ethereum/common"
+	gethmessage "github.com/ethereum/go-ethereum/common/message"
+	"github.com/ethereum/go-ethereum/crypto"
+	whisper "github.com/ethereum/go-ethereum/whisper/whisperv5"
+	"github.com/status-im/status-go/geth/common"
+	"github.com/status-im/status-go/geth/log"
+)
+
+// LogDeliveryService implements the whisper.DeliveryServer which logs out
+// stats of whisper.MessageState to the log.
+type LogDeliveryService struct{}
+
+// SendState logs incoming whisper.MesssageState into the log.
+func (ld LogDeliveryService) SendState(state whisper.MessageState) {
+	var stat common.MessageState
+	var protocol string
+	var payload []byte
+	var from, to string
+
+	if state.IsP2P {
+		protocol = "P2P"
+	} else {
+		protocol = "RPC"
+	}
+
+	switch state.Direction {
+	case gethmessage.IncomingMessage:
+		payload = state.Received.Payload
+
+		if state.Received.Src != nil {
+			from = gethcommon.ToHex(crypto.FromECDSAPub(state.Received.Src))
+		}
+
+		if state.Received.Dst != nil {
+			to = gethcommon.ToHex(crypto.FromECDSAPub(state.Received.Dst))
+		}
+
+	case gethmessage.OutgoingMessage:
+		from = state.Source.Sig
+
+		if len(state.Source.PublicKey) == 0 {
+			to = string(state.Source.PublicKey)
+		} else {
+			to = state.Source.TargetPeer
+		}
+	}
+
+	if state.Reason != nil {
+		stat.RejectionError = state.Reason.Error()
+	}
+
+	stat.Protocol = protocol
+	stat.Payload = payload
+	stat.FromDevice = from
+	stat.ToDevice = to
+	stat.Received = state.Timestamp
+	stat.Source = state.Source
+	stat.Envelope = state.Envelope.Data
+	stat.Status = state.Status.String()
+	stat.Type = state.Direction.String()
+	stat.Hash = state.Envelope.Hash().String()
+	stat.TimeSent = state.Envelope.Expiry - state.Envelope.TTL
+
+	statdata, err := json.Marshal(stat)
+	if err != nil {
+		log.Warn("failed to marshal common.MessageStat", "err", err)
+		return
+	}
+
+	encodedStat := base64.StdEncoding.EncodeToString(statdata)
+	log.Info("Message delivery notification", "state", encodedStat)
+}

geth/node/manager.go

@@ -69,7 +69,7 @@ func (m *NodeManager) startNode(config *params.NodeConfig) (<-chan struct{}, err
 
 	m.initLog(config)
 
-	ethNode, err := MakeNode(config)
+	ethNode, err := MakeNode(config, LogDeliveryService{})
 	if err != nil {
 		return nil, err
 	}

geth/node/node.go

@@ -40,7 +40,7 @@ var (
 )
 
 // MakeNode create a geth node entity
-func MakeNode(config *params.NodeConfig) (*node.Node, error) {
+func MakeNode(config *params.NodeConfig, deliveryServer whisper.DeliveryServer) (*node.Node, error) {
 	// make sure data directory exists
 	if err := os.MkdirAll(filepath.Join(config.DataDir), os.ModePerm); err != nil {
 		return nil, err
@@ -78,7 +78,7 @@ func MakeNode(config *params.NodeConfig) (*node.Node, error) {
 	}
 
 	// start Whisper service
-	if err := activateShhService(stack, config); err != nil {
+	if err := activateShhService(stack, config, deliveryServer); err != nil {
 		return nil, fmt.Errorf("%v: %v", ErrWhisperServiceRegistrationFailure, err)
 	}
 
@@ -180,7 +180,7 @@ func activateEthService(stack *node.Node, config *params.NodeConfig) error {
 }
 
 // activateShhService configures Whisper and adds it to the given node.
-func activateShhService(stack *node.Node, config *params.NodeConfig) error {
+func activateShhService(stack *node.Node, config *params.NodeConfig, deliveryServer whisper.DeliveryServer) error {
 	if !config.WhisperConfig.Enabled {
 		log.Info("SHH protocol is disabled")
 		return nil
@@ -190,6 +190,10 @@ func activateShhService(stack *node.Node, config *params.NodeConfig) error {
 		whisperConfig := config.WhisperConfig
 		whisperService := whisper.New(nil)
 
+		if deliveryServer != nil {
+			whisperService.RegisterDeliveryServer(deliveryServer)
+		}
+
 		// enable mail service
 		if whisperConfig.MailServerNode {
 			password, err := whisperConfig.ReadPasswordFile()

static/tools/mk/lint.mk

@@ -34,7 +34,7 @@ lint-gocyclo:
 	@gometalinter $(LINT_EXCLUDE) --disable-all --enable=gocyclo --cyclo-over=16 --deadline=45s  $(LINT_FOLDERS)
 lint-errcheck:
 	@echo "lint-errcheck"
-	@gometalinter $(LINT_EXCLUDE) --disable-all --enable=errcheck --deadline=45s  $(LINT_FOLDERS)
+	@gometalinter $(LINT_EXCLUDE) --disable-all --enable=errcheck --deadline=1m  $(LINT_FOLDERS)
 lint-ineffassign:
 	@echo "lint-ineffassign"
 	@gometalinter $(LINT_EXCLUDE) --disable-all --enable=ineffassign --deadline=45s  $(LINT_FOLDERS)

vendor/github.com/ethereum/go-ethereum/common/message/message.go

@@ -0,0 +1,65 @@
+package message
+
+// Direction defines a int type to indicate a message as either incoming or outgoing.
+type Direction int
+
+// consts of all message direction values.
+const (
+	IncomingMessage Direction = iota + 1
+	OutgoingMessage
+)
+
+// String returns the representation of giving direction.
+func (d Direction) String() string {
+	switch d {
+	case IncomingMessage:
+		return "IncomingMessage"
+	case OutgoingMessage:
+		return "OutgoingMessage"
+	}
+
+	return "MessageDirectionUnknown"
+}
+
+// Status defines a int type to indicate different status value of a
+// message state.
+type Status int
+
+// consts of all message delivery status.
+const (
+	PendingStatus Status = iota + 1
+	QueuedStatus
+	CachedStatus
+	SentStatus
+	ExpiredStatus
+	ProcessingStatus
+	ResentStatus
+	RejectedStatus
+	DeliveredStatus
+)
+
+// String returns the representation of giving state.
+func (s Status) String() string {
+	switch s {
+	case PendingStatus:
+		return "Pending"
+	case QueuedStatus:
+		return "Queued"
+	case CachedStatus:
+		return "Cached"
+	case SentStatus:
+		return "Sent"
+	case ProcessingStatus:
+		return "Processing"
+	case ExpiredStatus:
+		return "ExpiredTTL"
+	case ResentStatus:
+		return "Resent"
+	case RejectedStatus:
+		return "Rejected"
+	case DeliveredStatus:
+		return "Delivered"
+	}
+
+	return "unknown"
+}

vendor/github.com/ethereum/go-ethereum/whisper/whisperv5/api.go

@@ -26,6 +26,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/common/message"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p/discover"
@@ -240,11 +241,15 @@ func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, er
 	var (
 		symKeyGiven  = len(req.SymKeyID) > 0
 		pubKeyGiven  = len(req.PublicKey) > 0
+		isP2PMessage = len(req.TargetPeer) > 0
 		err          error
 	)
 
+	api.w.traceOutgoingDelivery(isP2PMessage, message.PendingStatus, &req, nil, nil, nil)
+
 	// user must specify either a symmetric or an asymmetric key
 	if (symKeyGiven && pubKeyGiven) || (!symKeyGiven && !pubKeyGiven) {
+		api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, ErrSymAsym)
 		return false, ErrSymAsym
 	}
 
@@ -260,6 +265,7 @@ func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, er
 	// Set key that is used to sign the message
 	if len(req.Sig) > 0 {
 		if params.Src, err = api.w.GetPrivateKey(req.Sig); err != nil {
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, err)
 			return false, err
 		}
 	}
@@ -267,12 +273,15 @@ func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, er
 	// Set symmetric key that is used to encrypt the message
 	if symKeyGiven {
 		if params.Topic == (TopicType{}) { // topics are mandatory with symmetric encryption
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, ErrNoTopics)
 			return false, ErrNoTopics
 		}
 		if params.KeySym, err = api.w.GetSymKey(req.SymKeyID); err != nil {
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, err)
 			return false, err
 		}
 		if !validateSymmetricKey(params.KeySym) {
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, ErrInvalidSymmetricKey)
 			return false, ErrInvalidSymmetricKey
 		}
 	}
@@ -281,6 +290,7 @@ func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, er
 	if pubKeyGiven {
 		params.Dst = crypto.ToECDSAPub(req.PublicKey)
 		if !ValidatePublicKey(params.Dst) {
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, ErrInvalidPublicKey)
 			return false, ErrInvalidPublicKey
 		}
 	}
@@ -288,11 +298,13 @@ func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, er
 	// encrypt and sent message
 	whisperMsg, err := NewSentMessage(params)
 	if err != nil {
+		api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, err)
 		return false, err
 	}
 
 	env, err := whisperMsg.Wrap(params)
 	if err != nil {
+		api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, nil, nil, err)
 		return false, err
 	}
 
@@ -300,16 +312,28 @@ func (api *PublicWhisperAPI) Post(ctx context.Context, req NewMessage) (bool, er
 	if len(req.TargetPeer) > 0 {
 		n, err := discover.ParseNode(req.TargetPeer)
 		if err != nil {
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, env, nil, err)
 			return false, fmt.Errorf("failed to parse target peer: %s", err)
 		}
-		return true, api.w.SendP2PMessage(n.ID[:], env)
+
+		api.w.traceOutgoingDelivery(isP2PMessage, message.SentStatus, &req, env, nil, nil)
+
+		if err := api.w.SendP2PMessage(n.ID[:], env); err != nil {
+			api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, env, nil, err)
+			return true, err
+		}
+
+		api.w.traceOutgoingDelivery(isP2PMessage, message.DeliveredStatus, &req, env, nil, err)
+		return true, nil
 	}
 
 	// ensure that the message PoW meets the node's minimum accepted PoW
 	if req.PowTarget < api.w.MinPow() {
+		api.w.traceOutgoingDelivery(isP2PMessage, message.RejectedStatus, &req, env, nil, ErrTooLowPoW)
 		return false, ErrTooLowPoW
 	}
 
+	api.w.traceOutgoingDelivery(isP2PMessage, message.SentStatus, &req, env, nil, nil)
 	return true, api.w.Send(env)
 }
 

vendor/github.com/ethereum/go-ethereum/whisper/whisperv5/doc.go

@@ -33,6 +33,7 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/ethereum/go-ethereum/common/message"
 	"github.com/ethereum/go-ethereum/p2p"
 )
 
@@ -99,3 +100,23 @@ type NotificationServer interface {
 	// Stop stops notification sending loop, releasing related resources
 	Stop() error
 }
+
+// MessageState holds the current delivery status of a whisper p2p message.
+type MessageState struct {
+	IsP2P     bool              `json:"is_p2p"`
+	Reason    error             `json:"reason"`
+	Envelope  Envelope          `json:"envelope"`
+	Timestamp time.Time         `json:"timestamp"`
+	Source    NewMessage        `json:"source"`
+	Status    message.Status    `json:"status"`
+	Direction message.Direction `json:"direction"`
+	Received  ReceivedMessage   `json:"received"`
+}
+
+// DeliveryServer represents a small message status
+// notification system where a message delivery status
+// update event is delivered to it's underline system
+// for both rpc messages and p2p messages.
+type DeliveryServer interface {
+	SendState(MessageState)
+}

vendor/github.com/ethereum/go-ethereum/whisper/whisperv5/filter.go

@@ -18,10 +18,12 @@ package whisperv5
 
 import (
 	"crypto/ecdsa"
+	"errors"
 	"fmt"
 	"sync"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/message"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 )
@@ -115,15 +117,20 @@ func (fs *Filters) NotifyWatchers(env *Envelope, p2pMessage bool) {
 			if match {
 				msg = env.Open(watcher)
 				if msg == nil {
+					err := errors.New("Envelope failed to be opened")
+					fs.whisper.traceIncomingDelivery(p2pMessage, message.RejectedStatus, nil, env, nil, err)
 					log.Trace("processing message: failed to open", "message", env.Hash().Hex(), "filter", i)
 				}
 			} else {
+				err := errors.New("processing message: does not match")
+				fs.whisper.traceIncomingDelivery(p2pMessage, message.RejectedStatus, nil, env, nil, err)
 				log.Trace("processing message: does not match", "message", env.Hash().Hex(), "filter", i)
 			}
 		}
 
 		if match && msg != nil {
 			log.Trace("processing message: decrypted", "hash", env.Hash().Hex())
+			fs.whisper.traceIncomingDelivery(p2pMessage, message.DeliveredStatus, nil, env, msg, nil)
 			if watcher.Src == nil || IsPubKeyEqual(msg.Src, watcher.Src) {
 				watcher.Trigger(msg)
 			}

vendor/github.com/ethereum/go-ethereum/whisper/whisperv5/whisper.go

@@ -27,6 +27,7 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/message"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p"
@@ -78,6 +79,7 @@ type Whisper struct {
 	stats   Statistics // Statistics of whisper node
 
 	mailServer         MailServer     // MailServer interface
+	deliveryServer     DeliveryServer // DeliveryServer interface
 	notificationServer NotificationServer
 }
 
@@ -157,6 +159,11 @@ func (w *Whisper) RegisterServer(server MailServer) {
 	w.mailServer = server
 }
 
+// RegisterDeliveryServer registers notification server with Whisper
+func (w *Whisper) RegisterDeliveryServer(server DeliveryServer) {
+	w.deliveryServer = server
+}
+
 // RegisterNotificationServer registers notification server with Whisper
 func (w *Whisper) RegisterNotificationServer(server NotificationServer) {
 	w.notificationServer = server
@@ -620,8 +627,11 @@ func (wh *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
 				var envelope Envelope
 				if err := packet.Decode(&envelope); err != nil {
 					log.Warn("failed to decode direct message, peer will be disconnected", "peer", p.peer.ID(), "err", err)
+					wh.traceIncomingDelivery(true, message.RejectedStatus, nil, &envelope, nil, err)
 					return errors.New("invalid direct message")
 				}
+
+				wh.traceIncomingDelivery(true, message.SentStatus, nil, &envelope, nil, nil)
 				wh.postEvent(&envelope, true)
 			}
 		case p2pRequestCode:
@@ -630,6 +640,7 @@ func (wh *Whisper) runMessageLoop(p *Peer, rw p2p.MsgReadWriter) error {
 				var request Envelope
 				if err := packet.Decode(&request); err != nil {
 					log.Warn("failed to decode p2p request message, peer will be disconnected", "peer", p.peer.ID(), "err", err)
+					wh.traceIncomingDelivery(true, message.RejectedStatus, nil, &request, nil, err)
 					return errors.New("invalid p2p request")
 				}
 				wh.mailServer.DeliverMail(p, &request)
@@ -700,16 +711,22 @@ func (wh *Whisper) add(envelope *Envelope) (bool, error) {
 		if !wh.expirations[envelope.Expiry].Has(hash) {
 			wh.expirations[envelope.Expiry].Add(hash)
 		}
+
+		wh.traceIncomingDelivery(false, message.CachedStatus, nil, envelope, nil, nil)
 	}
 	wh.poolMu.Unlock()
 
 	if alreadyCached {
 		log.Trace("whisper envelope already cached", "hash", envelope.Hash().Hex())
+		wh.traceIncomingDelivery(false, message.ResentStatus, nil, envelope, nil, nil)
 	} else {
 		log.Trace("cached whisper envelope", "hash", envelope.Hash().Hex())
 		wh.statsMu.Lock()
 		wh.stats.memoryUsed += envelope.size()
 		wh.statsMu.Unlock()
+
+		wh.traceIncomingDelivery(false, message.QueuedStatus, nil, envelope, nil, nil)
+
 		wh.postEvent(envelope, false) // notify the local node about the new message
 		if wh.mailServer != nil {
 			wh.mailServer.Archive(envelope)
@@ -718,6 +735,47 @@ func (wh *Whisper) add(envelope *Envelope) (bool, error) {
 	return true, nil
 }
 
+func (w *Whisper) traceIncomingDelivery(isP2P bool, status message.Status, src *NewMessage, env *Envelope, rec *ReceivedMessage, err error) {
+	w.traceDelivery(isP2P, message.IncomingMessage, status, src, env, rec, err)
+}
+
+func (w *Whisper) traceOutgoingDelivery(isP2P bool, status message.Status, src *NewMessage, env *Envelope, rec *ReceivedMessage, err error) {
+	w.traceDelivery(isP2P, message.OutgoingMessage, status, src, env, rec, err)
+}
+
+func (w *Whisper) traceDelivery(isP2P bool, dir message.Direction, status message.Status, newmsg *NewMessage, envelope *Envelope, received *ReceivedMessage, err error) {
+	if w.deliveryServer == nil {
+		return
+	}
+
+	var env Envelope
+	var rec ReceivedMessage
+	var src NewMessage
+
+	if newmsg != nil {
+		src = *newmsg
+	}
+
+	if envelope != nil {
+		env = *envelope
+	}
+
+	if received != nil {
+		rec = *received
+	}
+
+	go w.deliveryServer.SendState(MessageState{
+		Reason:    err,
+		Source:    src,
+		Received:  rec,
+		IsP2P:     isP2P,
+		Status:    status,
+		Envelope:  env,
+		Direction: dir,
+		Timestamp: time.Now(),
+	})
+}
+
 // postEvent queues the message for further processing.
 func (w *Whisper) postEvent(envelope *Envelope, isP2P bool) {
 	// if the version of incoming message is higher than
@@ -730,6 +788,13 @@ func (w *Whisper) postEvent(envelope *Envelope, isP2P bool) {
 			w.checkOverflow()
 			w.messageQueue <- envelope
 		}
+
+		return
+	}
+
+	if w.deliveryServer != nil {
+		err := fmt.Errorf("Mismatch Envelope version(%d) to wanted Version(%d)", envelope.Ver(), EnvelopeVersion)
+		w.traceIncomingDelivery(isP2P, message.RejectedStatus, nil, envelope, nil, err)
 	}
 }
 
@@ -759,9 +824,11 @@ func (w *Whisper) processQueue() {
 			return
 
 		case e = <-w.messageQueue:
+			w.traceIncomingDelivery(false, message.ProcessingStatus, nil, e, nil, nil)
 			w.filters.NotifyWatchers(e, false)
 
 		case e = <-w.p2pMsgQueue:
+			w.traceIncomingDelivery(true, message.ProcessingStatus, nil, e, nil, nil)
 			w.filters.NotifyWatchers(e, true)
 		}
 	}