message: rest/rpc: Make mempoolinfo atomic
diff: @@ -1483,6 +1483,8 @@ static UniValue getchaintips(const JSONRPCRequest& request)
  UniValue MempoolInfoToJSON(const CTxMemPool& pool)
  {
  + // Make sure this call is atomic in the pool.
  + LOCK(pool.cs);
  UniValue ret(UniValue::VOBJ);
  ret.pushKV("size", (int64_t)pool.size());
  ret.pushKV("bytes", (int64_t)pool.GetTotalTxSize());
  