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watchtower/wtserver/server: permit unused session overrwite

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This commit is contained in:
Conner Fromknecht
2019-04-23 20:06:04 -07:00
parent 9b1bc9fd79
commit 978a0a8de6
3 changed files with 76 additions and 10 deletions
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6
watchtower/wtserver/create_session.go
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@@ -21,11 +21,15 @@ func (s *Server) handleCreateSession(peer Peer, id *wtdb.SessionID,
existingInfo, err := s.cfg.DB.GetSessionInfo(id)
switch {
// We already have a session, though it is currently unused. We'll allow
// the client to recommit the session if it wanted to change the policy.
case err == nil && existingInfo.LastApplied == 0:
// We already have a session corresponding to this session id, return an
// error signaling that it already exists in our database. We return the
// reward address to the client in case they were not able to process
// our reply earlier.
case err == nil:
case err == nil && existingInfo.LastApplied > 0:
log.Debugf("Already have session for %s", id)
return s.replyCreateSession(
peer, id, wtwire.CreateSessionCodeAlreadyExists,