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Merge pull request #224 from elmato/asset-api

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Add new API (asset_api)
This commit is contained in:
Vikram Rajkumar 2017-01-30 18:37:44 -06:00 committed by GitHub
commit 8cc042a589
2 changed files with 69 additions and 0 deletions
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38
libraries/app/api.cpp
View file

@ -95,6 +95,10 @@ namespace graphene { namespace app {
{
_crypto_api = std::make_shared< crypto_api >();
}
else if( api_name == "asset_api" )
{
_asset_api = std::make_shared< asset_api >( std::ref( *_app.chain_database() ) );
}
else if( api_name == "debug_api" )
{
// can only enable this API if the plugin was loaded
@ -217,6 +221,12 @@ namespace graphene { namespace app {
return *_crypto_api;
}
fc::api<asset_api> login_api::asset() const
{
FC_ASSERT(_asset_api);
return *_asset_api;
}
fc::api<graphene::debug_witness::debug_api> login_api::debug() const
{
FC_ASSERT(_debug_api);
@ -550,4 +560,32 @@ namespace graphene { namespace app {
return fc::ecc::range_get_info( proof );
}
// asset_api
asset_api::asset_api(graphene::chain::database& db) : _db(db) { }
asset_api::~asset_api() { }
vector<account_asset_balance> asset_api::get_asset_holders( asset_id_type asset_id ) const {
const auto& bal_idx = _db.get_index_type< account_balance_index >().indices().get< by_asset_balance >();
auto range = bal_idx.equal_range( boost::make_tuple( asset_id ) );
vector<account_asset_balance> result;
for( const account_balance_object& bal : boost::make_iterator_range( range.first, range.second ) )
{
if( bal.balance.value == 0 ) continue;
auto account = _db.find(bal.owner);
account_asset_balance aab;
aab.name = account->name;
aab.account_id = account->id;
aab.amount = bal.balance.value;
result.push_back(aab);
}
return result;
}
} } // graphene::app

31
libraries/app/include/graphene/app/api.hpp
View file

@ -71,6 +71,13 @@ namespace graphene { namespace app {
string message_out;
};
struct account_asset_balance
{
string name;
account_id_type account_id;
share_type amount;
};
/**
* @brief The history_api class implements the RPC API for account history
*
@ -252,6 +259,21 @@ namespace graphene { namespace app {
range_proof_info range_get_info( const std::vector<char>& proof );
};
/**
* @brief
*/
class asset_api
{
public:
asset_api(graphene::chain::database& db);
~asset_api();
vector<account_asset_balance> get_asset_holders( asset_id_type asset_id )const;
private:
graphene::chain::database& _db;
};
/**
* @brief The login_api class implements the bottom layer of the RPC API
*
@ -283,6 +305,8 @@ namespace graphene { namespace app {
fc::api<network_node_api> network_node()const;
/// @brief Retrieve the cryptography API
fc::api<crypto_api> crypto()const;
/// @brief Retrieve the asset API
fc::api<asset_api> asset()const;
/// @brief Retrieve the debug API (if available)
fc::api<graphene::debug_witness::debug_api> debug()const;
@ -296,6 +320,7 @@ namespace graphene { namespace app {
optional< fc::api<network_node_api> > _network_node_api;
optional< fc::api<history_api> > _history_api;
optional< fc::api<crypto_api> > _crypto_api;
optional< fc::api<asset_api> > _asset_api;
optional< fc::api<graphene::debug_witness::debug_api> > _debug_api;
};
@ -310,6 +335,8 @@ FC_REFLECT( graphene::app::verify_range_proof_rewind_result,
//FC_REFLECT_TYPENAME( fc::ecc::compact_signature );
//FC_REFLECT_TYPENAME( fc::ecc::commitment_type );
FC_REFLECT( graphene::app::account_asset_balance, (name)(account_id)(amount) );
FC_API(graphene::app::history_api,
(get_account_history)
(get_relative_account_history)
@ -341,6 +368,9 @@ FC_API(graphene::app::crypto_api,
(verify_range_proof_rewind)
(range_get_info)
)
FC_API(graphene::app::asset_api,
(get_asset_holders)
)
FC_API(graphene::app::login_api,
(login)
(network_broadcast)
@ -348,5 +378,6 @@ FC_API(graphene::app::login_api,
(history)
(network_node)
(crypto)
(asset)
(debug)
)