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Implemented watching using filter package

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* Added filters / watches
* Removed event dep
This commit is contained in:
obscuren
2014-12-12 22:23:42 +01:00
parent ed1538248f
commit a17a1f9208
6 changed files with 145 additions and 26 deletions
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23
whisper/envelope.go
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@ -61,22 +61,27 @@ func (self *Envelope) Seal(pow time.Duration) {
self.proveWork(pow)
}
func (self *Envelope) Open(prv *ecdsa.PrivateKey) (*Message, error) {
func (self *Envelope) Open(prv *ecdsa.PrivateKey) (msg *Message, err error) {
data := self.Data
if data[0] > 0 && len(data) < 66 {
return nil, fmt.Errorf("unable to open envelope. First bit set but len(data) < 66")
}
var message Message
dataStart := 1
if data[0] > 0 {
payload, err := crypto.Decrypt(prv, data[66:])
if len(data) < 66 {
return nil, fmt.Errorf("unable to open envelope. First bit set but len(data) < 66")
}
dataStart = 66
message.Flags = data[0]
message.Signature = data[1:66]
}
message.Payload = data[dataStart:]
if prv != nil {
message.Payload, err = crypto.Decrypt(prv, message.Payload)
if err != nil {
return nil, fmt.Errorf("unable to open envelope. Decrypt failed: %v", err)
}
return NewMessage(payload), nil
}
return NewMessage(data[1:]), nil
return &message, nil
}
func (self *Envelope) proveWork(dura time.Duration) {