Merge branch 'feature/573-vote_recharge_gpos' into 'develop'

#573 - add vote_recharge_gpos function

See merge request PBSA/peerplays!261

libraries/app/database_api.cpp

@@ -2197,7 +2197,7 @@ vector<variant> database_api_impl::lookup_vote_ids(const vector<vote_id_type> &v
       case vote_id_type::committee: {
          auto itr = committee_idx.find(id);
          if (itr != committee_idx.end())
-            result.emplace_back( variant( *itr, 2 ) ); // Depth of committee_member_object is 1, add 1 to be safe
+            result.emplace_back(variant(*itr, 2)); // Depth of committee_member_object is 1, add 1 to be safe
          else
             result.emplace_back(variant());
          break;
@@ -2205,7 +2205,7 @@ vector<variant> database_api_impl::lookup_vote_ids(const vector<vote_id_type> &v
       case vote_id_type::witness: {
          auto itr = witness_idx.find(id);
          if (itr != witness_idx.end())
-            result.emplace_back( variant( *itr, 2 ) ); // Depth of witness_object is 1, add 1 here to be safe
+            result.emplace_back(variant(*itr, 2)); // Depth of witness_object is 1, add 1 here to be safe
          else
             result.emplace_back(variant());
          break;
@@ -2213,13 +2213,13 @@ vector<variant> database_api_impl::lookup_vote_ids(const vector<vote_id_type> &v
       case vote_id_type::worker: {
          auto itr = for_worker_idx.find(id);
          if (itr != for_worker_idx.end()) {
-            result.emplace_back( variant( *itr, 4 ) ); // Depth of worker_object is 3, add 1 here to be safe.
+            result.emplace_back(variant(*itr, 4)); // Depth of worker_object is 3, add 1 here to be safe.
                                                    // If we want to extract the balance object inside,
                                                    //   need to increase this value
          } else {
             auto itr = against_worker_idx.find(id);
             if (itr != against_worker_idx.end()) {
-               result.emplace_back( variant( *itr, 4 ) ); // Depth of worker_object is 3, add 1 here to be safe.
+               result.emplace_back(variant(*itr, 4)); // Depth of worker_object is 3, add 1 here to be safe.
                                                       // If we want to extract the balance object inside,
                                                       //   need to increase this value
             } else {

libraries/wallet/include/graphene/wallet/wallet.hpp

@@ -1990,6 +1990,7 @@ class wallet_api
                                               std::vector<std::string> witnesses_to_reject,
                                               uint16_t desired_number_of_witnesses,
                                               bool broadcast = false);
+
       /** Set the voting proxy for an account.
        *
        * If a user does not wish to take an active part in voting, they can choose
@@ -2037,6 +2038,18 @@ class wallet_api
                                                                 uint16_t desired_number_of_committee_members,
                                                                 bool broadcast = false);
 
+      /** Vote recharge gpos.
+       *
+       * Explicit voting recharge function that is used solely when the user wishes to recharge their GPOS voting power
+       * without changing their voting slate
+       *
+       * @param voting_account the name or id of the account who is voting with their shares
+       * @param broadcast true if you wish to broadcast the transaction
+       * @return the signed transaction changing your vote for the given SON
+       */
+      signed_transaction vote_recharge_gpos(string voting_account,
+                                      bool broadcast = false);
+
       /** Signs a transaction.
        *
        * Given a fully-formed transaction that is only lacking signatures, this signs
@@ -2896,6 +2909,7 @@ FC_API( graphene::wallet::wallet_api,
         (update_witness_votes)
         (set_voting_proxy)
         (set_desired_witness_and_committee_member_count)
+        (vote_recharge_gpos)
         (get_account)
         (get_account_id)
         (get_block)

libraries/wallet/wallet.cpp

@@ -3101,6 +3101,31 @@ public:
       return sign_transaction( tx, broadcast );
    } FC_CAPTURE_AND_RETHROW( (account_to_modify)(desired_number_of_witnesses)(desired_number_of_committee_members)(broadcast) ) }
 
+   signed_transaction vote_recharge_gpos(string voting_account,
+                                   bool broadcast /* = false */)
+   { try {
+
+      const std::vector<vesting_balance_object_with_info> vbo_info = get_vesting_balances(voting_account);
+      std::vector<vesting_balance_object_with_info>::const_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 recharge the votes", ("account", voting_account)("TOKEN", GRAPHENE_SYMBOL));
+
+      const account_object voting_account_object = get_account(voting_account);
+
+      account_update_operation account_update_op;
+      account_update_op.account = voting_account_object.id;
+      account_update_op.new_options = voting_account_object.options;
+      account_update_op.extensions.value.update_last_voting_time = true; //Allow user to vote in each sub-period (Update voting time, which is reference in calculating VF)
+
+      signed_transaction tx;
+      tx.operations.push_back( account_update_op );
+      set_operation_fees( tx, _remote_db->get_global_properties().parameters.current_fees);
+      tx.validate();
+
+      return sign_transaction( tx, broadcast );
+   } FC_CAPTURE_AND_RETHROW( (voting_account)(broadcast) ) }
+
    signed_transaction sign_transaction(signed_transaction tx, bool broadcast = false)
    {
       set<public_key_type> pks = _remote_db->get_potential_signatures(tx);
@@ -5610,6 +5635,12 @@ signed_transaction wallet_api::set_desired_witness_and_committee_member_count(st
                                                      desired_number_of_committee_members, broadcast);
 }
 
+signed_transaction wallet_api::vote_recharge_gpos(string voting_account,
+                                            bool broadcast /* = false */)
+{
+   return my->vote_recharge_gpos(voting_account, broadcast);
+}
+
 void wallet_api::set_wallet_filename(string wallet_filename)
 {
    my->_wallet_filename = wallet_filename;