// Renew will handle renewing (or updating) a name that is already
// owned by acc on the Zooko server.
func (c *Client) Renew(name string, reg *Registration, acc *account.Account) error {
jsonRegistration, err := json.Marshal(reg)
if err != nil {
return err
}
if err := c.checkAccountBalance(acc, false); err != nil {
return err
}
nameUpdate, err := acc.CreateNameUpdate(name, string(jsonRegistration))
if err != nil {
return err
}
nameUpdateBytes := &bytes.Buffer{}
if err := nameUpdate.Serialize(nameUpdateBytes); err != nil {
return err
}
updateMsg, err := message.CreateMessage(&message.RenewName{
Name: &name,
Value: jsonRegistration,
NameUpdate: nameUpdateBytes.Bytes(),
}, c.Origin, config.ServerAddress())
if err != nil {
return err
}
if err := c.getRegistrationResponse(updateMsg); err != nil {
return err
}
// Commit to the transaction since the server accepted it.
acc.Commit(nameUpdate)
return nil
}
