message: Stop staking when wallets flushed
diff: @@ -220,6 +220,7 @@ void StartWallets(CScheduler& scheduler)
  void FlushWallets()
  {
  for (const std::shared_ptr<CWallet>& pwallet : GetWallets()) {
  + pwallet->StopStake();
  pwallet->Flush(false);
  }
  }
  