Whisper watches fixes

whisper/envelope.go

@@ -74,11 +74,13 @@ func (self *Envelope) Open(prv *ecdsa.PrivateKey) (msg *Message, err error) {
 		message.Flags = data[0]
 		message.Signature = data[1:66]
 	}
-	message.Payload = data[dataStart:]
+
+	payload := data[dataStart:]
 	if prv != nil {
-		message.Payload, err = crypto.Decrypt(prv, message.Payload)
+		message.Payload, err = crypto.Decrypt(prv, payload)
 		switch err {
 		case ecies.ErrInvalidPublicKey: // Payload isn't encrypted
+			message.Payload = payload
 			return &message, err
 		default:
 			return nil, fmt.Errorf("unable to open envelope. Decrypt failed: %v", err)

whisper/util.go

@@ -18,10 +18,19 @@ func Topics(data [][]byte) [][]byte {
 	return d
 }
 
-func TopicsFromString(data []string) [][]byte {
+func TopicsFromString(data ...string) [][]byte {
 	d := make([][]byte, len(data))
 	for i, str := range data {
 		d[i] = hashTopic([]byte(str))
 	}
 	return d
 }
+
+func bytesToMap(s [][]byte) map[string]struct{} {
+	m := make(map[string]struct{})
+	for _, topic := range s {
+		m[string(topic)] = struct{}{}
+	}
+
+	return m
+}

whisper/whisper.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"crypto/ecdsa"
 	"errors"
-	"fmt"
 	"sync"
 	"time"
 
@@ -120,6 +119,7 @@ func (self *Whisper) Watch(opts Filter) int {
 	return self.filters.Install(filter.Generic{
 		Str1: string(crypto.FromECDSA(opts.To)),
 		Str2: string(crypto.FromECDSAPub(opts.From)),
+		Data: bytesToMap(opts.Topics),
 		Fn: func(data interface{}) {
 			opts.Fn(data.(*Message))
 		},
@@ -150,7 +150,6 @@ func (self *Whisper) msgHandler(peer *p2p.Peer, ws p2p.MsgReadWriter) error {
 			continue
 		}
 
-		fmt.Println("recv")
 		if err := self.add(envelope); err != nil {
 			// TODO Punish peer here. Invalid envelope.
 			peer.Infoln(err)
@@ -233,6 +232,7 @@ func (self *Whisper) postEvent(envelope *Envelope) {
 			// Create a custom filter?
 			self.filters.Notify(filter.Generic{
 				Str1: string(crypto.FromECDSA(key)), Str2: string(crypto.FromECDSAPub(message.Recover())),
+				Data: bytesToMap(envelope.Topics),
 			}, message)
 		} else {
 			wlogger.Infoln(err)