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core, eth, miner: improved tx removal & fatal error on db sync err

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* core: Added GasPriceChange event
* eth: When one of the DB flush methods error a fatal error log message
  is given. Hopefully this will prevent corrupted databases from
  occuring.
* miner: remove transactions with low gas price. Closes #906, #903
This commit is contained in:
obscuren
2015-05-10 23:12:18 +02:00
parent 6674ea8d67
commit a2919b5e17
6 changed files with 47 additions and 31 deletions
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8
eth/backend.go
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@ -451,6 +451,8 @@ func (s *Ethereum) Start() error {
return nil
}
// sync databases every minute. If flushing fails we exit immediatly. The system
// may not continue under any circumstances.
func (s *Ethereum) syncDatabases() {
ticker := time.NewTicker(1 * time.Minute)
done:
@ -459,13 +461,13 @@ done:
case <-ticker.C:
// don't change the order of database flushes
if err := s.extraDb.Flush(); err != nil {
glog.V(logger.Error).Infof("error: flush extraDb: %v\n", err)
glog.Fatalf("fatal error: flush extraDb: %v\n", err)
}
if err := s.stateDb.Flush(); err != nil {
glog.V(logger.Error).Infof("error: flush stateDb: %v\n", err)
glog.Fatalf("fatal error: flush stateDb: %v\n", err)
}
if err := s.blockDb.Flush(); err != nil {
glog.V(logger.Error).Infof("error: flush blockDb: %v\n", err)
glog.Fatalf("fatal error: flush blockDb: %v\n", err)
}
case <-s.shutdownChan:
break done