// GetVerifyKeys loads the verification keys from the keylookup server and
// adds them to the keypool and wallet.
func (c *Client) GetVerifyKeys() error {
var verifyKeys [][ed25519.PublicKeySize]byte
var err error
if c.online {
onlineGroup.Add(1)
defer onlineGroup.Done()
// Online!!! Load from keylookup service
lookupClient := keylookupClient.New(nil, c.cacert, TrustRoot)
verifyKeys, err = lookupClient.GetVerifyList()
if err != nil {
c.LastError = err
err = ErrRetry
}
if verifyKeys != nil {
c.walletStore.SetVerifyKeys(verifyKeys)
}
}
if verifyKeys == nil {
// We need keys anyways
verifyKeys = c.walletStore.GetVerifyKeys()
}
for _, vKey := range verifyKeys {
c.packetClient.AddVerifyKey(&vKey)
}
return err
}
// getPubKey looks up a public key from the keypool and tries to fetch it from
// keylookup if necessary.
func (c *Client) getPubKey(keyid [signkeys.KeyIDSize]byte) (pubkey *signkeys.PublicKey, err error) {
pubkey, err = c.packetClient.Keypool.Lookup(keyid)
if err != nil {
if err != keypool.ErrNotFound {
c.LastError = err
return nil, ErrFatal
}
if !c.IsOnline() {
c.LastError = err
return nil, ErrOffline
}
onlineGroup.Add(1)
defer onlineGroup.Done()
lookupClient := keylookupClient.New(nil, c.cacert, TrustRoot)
pubkey, err = lookupClient.GetKey(&keyid)
if err != nil {
_, fatal, err := lookupError(err)
c.LastError = err
if fatal {
return nil, ErrFinal
}
return nil, ErrRetry
}
_, err = c.packetClient.Keypool.LoadKey(pubkey)
if err != nil && err != keypool.ErrExists {
c.LastError = err
return nil, ErrFatal
}
}
return pubkey, nil
}