message: Potential deadlock fix
diff: @@ -1105,7 +1105,7 @@ void static ZcoinMiner(const CChainParams &chainparams) {
  fvNodesEmpty = vNodes.empty();
  }
  {
  - LOCK(cs_main);
  + LOCK2(cs_main, mempool.cs);
  int nCount = 0;
  fHasZnodesWinnerForNextBlock =
  params.IsRegtest() ||
  