From f99bf1c6e632d504033194039013629ac4de4500 Mon Sep 17 00:00:00 2001
From: SynaptiCAD User <syncad@dhcp215.syncad.com>
Date: Sun, 19 Mar 2017 22:44:16 -0400
Subject: [PATCH] [DLN] implement list_betting_markets(betting_market_group)

---
 libraries/app/database_api.cpp                        | 11 +++++++++++
 libraries/app/include/graphene/app/database_api.hpp   |  5 +++++
 .../include/graphene/chain/betting_market_object.hpp  |  5 ++++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/libraries/app/database_api.cpp b/libraries/app/database_api.cpp
index b44a867d..9320aca3 100644
--- a/libraries/app/database_api.cpp
+++ b/libraries/app/database_api.cpp
@@ -99,6 +99,7 @@ class database_api_impl : public std::enable_shared_from_this<database_api_impl>
       vector<sport_object>                list_sports() const; 
       vector<event_group_object>          list_event_groups(sport_id_type sport_id) const;
       vector<betting_market_group_object> list_betting_market_groups(event_id_type) const;
+      vector<betting_market_object>       list_betting_markets(betting_market_group_id_type) const;
 
       // Markets / feeds
       vector<limit_order_object>         get_limit_orders(asset_id_type a, asset_id_type b, uint32_t limit)const;
@@ -924,6 +925,16 @@ vector<betting_market_group_object> database_api_impl::list_betting_market_group
    return result;
 }
 
+vector<betting_market_object> database_api_impl::list_betting_markets(betting_market_group_id_type betting_market_group_id) const
+{
+   vector<betting_market_object> result;
+   const auto& betting_market_idx = _db.get_index_type<betting_market_object_index>().indices().get<by_betting_market_group_id>();
+   for (const betting_market_object& betting_market : betting_market_idx)
+   {
+      result.emplace_back(betting_market);
+   }
+   return result;
+}
 
 //////////////////////////////////////////////////////////////////////
 //                                                                  //
diff --git a/libraries/app/include/graphene/app/database_api.hpp b/libraries/app/include/graphene/app/database_api.hpp
index 8cdfa9a7..af8ee833 100644
--- a/libraries/app/include/graphene/app/database_api.hpp
+++ b/libraries/app/include/graphene/app/database_api.hpp
@@ -335,6 +335,11 @@ class database_api
        */
       vector<betting_market_group_object> list_betting_market_groups(event_id_type) const;
 
+      /**
+       * @brief Return a list of all betting markets for a betting market group
+       */
+      vector<betting_market_object> list_betting_markets(betting_market_group_id_type) const;
+
       /////////////////////
       // Markets / feeds //
       /////////////////////
diff --git a/libraries/chain/include/graphene/chain/betting_market_object.hpp b/libraries/chain/include/graphene/chain/betting_market_object.hpp
index 99586fff..463b159b 100644
--- a/libraries/chain/include/graphene/chain/betting_market_object.hpp
+++ b/libraries/chain/include/graphene/chain/betting_market_object.hpp
@@ -32,6 +32,7 @@ namespace graphene { namespace chain {
 class database;
 
 struct by_event_id;
+struct by_betting_market_group_id;
 
 class betting_market_group_object : public graphene::db::abstract_object< betting_market_group_object >
 {
@@ -87,7 +88,9 @@ typedef generic_index<betting_market_group_object, betting_market_group_object_m
 typedef multi_index_container<
    betting_market_object,
    indexed_by<
-      ordered_unique< tag<by_id>, member< object, object_id_type, &object::id > > > > betting_market_object_multi_index_type;
+      ordered_unique< tag<by_id>, member< object, object_id_type, &object::id > >,
+      ordered_non_unique< tag<by_betting_market_group_id>, member< betting_market_object, betting_market_group_id_type, &betting_market_object::group_id > >
+   > > betting_market_object_multi_index_type;
 
 typedef generic_index<betting_market_object, betting_market_object_multi_index_type> betting_market_object_index;