Merge pull request cryptonomex#237 from oxarbitrage/issue222

added api function get_account_history_operations
pmconrad · Feb 28, 2017 · c1b45f1 · c1b45f1
2 parents b3a023e + 3d349fb
commit c1b45f1
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diff --git a/libraries/app/api.cpp b/libraries/app/api.cpp
@@ -453,6 +453,37 @@ namespace graphene { namespace app {
        return result;
     }
 
+    vector<operation_history_object> history_api::get_account_history_operations( account_id_type account, 
+                                                                       int operation_id,
+                                                                       operation_history_id_type start, 
+                                                                       operation_history_id_type stop,
+                                                                       unsigned limit) const
+    {
+       FC_ASSERT( _app.chain_database() );
+       const auto& db = *_app.chain_database();
+       FC_ASSERT( limit <= 100 );
+       vector<operation_history_object> result;
+       const auto& stats = account(db).statistics(db);
+       if( stats.most_recent_op == account_transaction_history_id_type() ) return result;
+       const account_transaction_history_object* node = &stats.most_recent_op(db);
+       if( start == operation_history_id_type() )
+          start = node->operation_id;
+
+       while(node && node->operation_id.instance.value > stop.instance.value && result.size() < limit)
+       {
+          if( node->operation_id.instance.value <= start.instance.value ) {
+
+             if(node->operation_id(db).op.which() == operation_id)
+               result.push_back( node->operation_id(db) );
+             }
+          if( node->next == account_transaction_history_id_type() )
+             node = nullptr;
+          else node = &node->next(db);
+       }
+       return result;
+    }
+
+
     vector<operation_history_object> history_api::get_relative_account_history( account_id_type account, 
                                                                                 uint32_t stop, 
                                                                                 unsigned limit, 

diff --git a/libraries/app/include/graphene/app/api.hpp b/libraries/app/include/graphene/app/api.hpp
@@ -105,6 +105,22 @@ namespace graphene { namespace app {
                                                               operation_history_id_type stop = operation_history_id_type(),
                                                               unsigned limit = 100,
                                                               operation_history_id_type start = operation_history_id_type())const;
+
+         /**
+          * @brief Get only asked operations relevant to the specified account
+          * @param account The account whose history should be queried
+          * @param operation_id The ID of the operation we want to get operations in the account( 0 = transfer , 1 = limit order create, ...)
+          * @param stop ID of the earliest operation to retrieve
+          * @param limit Maximum number of operations to retrieve (must not exceed 100)
+          * @param start ID of the most recent operation to retrieve
+          * @return A list of operations performed by account, ordered from most recent to oldest.
+          */
+         vector<operation_history_object> get_account_history_operations(account_id_type account,
+                                                                         int operation_id,
+                                                                         operation_history_id_type start = operation_history_id_type(),
+                                                                         operation_history_id_type stop = operation_history_id_type(),
+                                                                         unsigned limit = 100)const;
+
          /**
           * @breif Get operations relevant to the specified account referenced
           * by an event numbering specific to the account. The current number of operations
@@ -366,6 +382,7 @@ FC_REFLECT( graphene::app::asset_holders, (asset_id)(count) );
 
 FC_API(graphene::app::history_api,
        (get_account_history)
+       (get_account_history_operations)
        (get_relative_account_history)
        (get_fill_order_history)
        (get_market_history)