add empty container sanity checks when using front() and back()

2017-12-11 22:36:58 +00:00
parent 56fa6ce15f
commit 45a1c4c088
9 changed files with 32 additions and 6 deletions
@@ -602,6 +602,13 @@ namespace tools
      uint64_t mixin = m_wallet->adjust_mixin(req.mixin);
      std::vector<wallet2::pending_tx> ptx_vector = m_wallet->create_transactions_2(dsts, mixin, req.unlock_time, req.priority, extra, req.account_index, req.subaddr_indices, m_trusted_daemon);

+      if (ptx_vector.empty())
+      {
+        er.code = WALLET_RPC_ERROR_CODE_TX_NOT_POSSIBLE;
+        er.message = "No transaction created";
+        return false;
+      }
+
      // reject proposed transactions if there are more than one.  see on_transfer_split below.
      if (ptx_vector.size() != 1)
      {