From 3ffcd4fdd0d82004f78af2402e079c2b6f88e31a Mon Sep 17 00:00:00 2001
From: pbattu123 <p.battu@pbsa.info>
Date: Mon, 16 Mar 2020 18:24:28 -0300
Subject: [PATCH] Allow voting for son, only if GPOS vesting balance available

---
 libraries/wallet/wallet.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libraries/wallet/wallet.cpp b/libraries/wallet/wallet.cpp
index fb9d242d..5ab144f8 100644
--- a/libraries/wallet/wallet.cpp
+++ b/libraries/wallet/wallet.cpp
@@ -2589,6 +2589,13 @@ public:
                                         bool approve,
                                         bool broadcast /* = false */)
    { try {
+
+      std::vector<vesting_balance_object_with_info> vbo_info = get_vesting_balances(voting_account);
+      std::vector<vesting_balance_object_with_info>::iterator vbo_iter;
+      vbo_iter = std::find_if(vbo_info.begin(), vbo_info.end(), [](vesting_balance_object_with_info const& obj){return obj.balance_type == vesting_balance_type::gpos;});
+      if( vbo_info.size() == 0 ||  vbo_iter == vbo_info.end())
+         FC_THROW("Account ${account} has no core Token ${TOKEN} vested and will not be allowed to vote for the SON account", ("account", voting_account)("TOKEN", GRAPHENE_SYMBOL));
+
       account_object voting_account_object = get_account(voting_account);
       account_id_type son_account_id = get_account_id(son);
       fc::optional<son_object> son_obj = _remote_db->get_son_by_account(son_account_id);