337 lines
13 KiB
C++
337 lines
13 KiB
C++
/*
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* Copyright (c) 2018 oxarbitrage, and contributors.
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*
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* The MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <graphene/es_objects/es_objects.hpp>
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#include <fc/smart_ref_impl.hpp>
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#include <curl/curl.h>
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#include <graphene/chain/proposal_object.hpp>
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#include <graphene/chain/balance_object.hpp>
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#include <graphene/chain/market_object.hpp>
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#include <graphene/chain/asset_object.hpp>
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#include <graphene/chain/account_object.hpp>
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#include <graphene/utilities/elasticsearch.hpp>
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namespace graphene { namespace es_objects {
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namespace detail
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{
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class es_objects_plugin_impl
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{
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public:
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es_objects_plugin_impl(es_objects_plugin& _plugin)
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: _self( _plugin )
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{ curl = curl_easy_init(); }
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virtual ~es_objects_plugin_impl();
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bool index_database( const vector<object_id_type>& ids, std::string action);
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void remove_from_database( object_id_type id, std::string index);
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es_objects_plugin& _self;
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std::string _es_objects_elasticsearch_url = "http://localhost:9200/";
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std::string _es_objects_auth = "";
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uint32_t _es_objects_bulk_replay = 10000;
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uint32_t _es_objects_bulk_sync = 100;
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bool _es_objects_proposals = true;
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bool _es_objects_accounts = true;
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bool _es_objects_assets = true;
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bool _es_objects_balances = true;
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bool _es_objects_limit_orders = true;
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bool _es_objects_asset_bitasset = true;
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std::string _es_objects_index_prefix = "objects-";
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CURL *curl; // curl handler
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vector <std::string> bulk;
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vector<std::string> prepare;
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bool _es_objects_keep_only_current = true;
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uint32_t block_number;
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fc::time_point_sec block_time;
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private:
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template<typename T>
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void prepareTemplate(T blockchain_object, string index_name);
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};
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bool es_objects_plugin_impl::index_database( const vector<object_id_type>& ids, std::string action)
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{
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graphene::chain::database &db = _self.database();
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block_time = db.head_block_time();
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block_number = db.head_block_num();
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// check if we are in replay or in sync and change number of bulk documents accordingly
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uint32_t limit_documents = 0;
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if((fc::time_point::now() - block_time) < fc::seconds(30))
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limit_documents = _es_objects_bulk_sync;
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else
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limit_documents = _es_objects_bulk_replay;
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for(auto const& value: ids) {
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if(value.is<proposal_object>() && _es_objects_proposals) {
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auto obj = db.find_object(value);
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auto p = static_cast<const proposal_object*>(obj);
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if(p != nullptr) {
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if(action == "delete")
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remove_from_database(p->id, "proposal");
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else
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prepareTemplate<proposal_object>(*p, "proposal");
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}
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}
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else if(value.is<account_object>() && _es_objects_accounts) {
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auto obj = db.find_object(value);
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auto a = static_cast<const account_object*>(obj);
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if(a != nullptr) {
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if(action == "delete")
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remove_from_database(a->id, "account");
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else
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prepareTemplate<account_object>(*a, "account");
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}
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}
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else if(value.is<asset_object>() && _es_objects_assets) {
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auto obj = db.find_object(value);
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auto a = static_cast<const asset_object*>(obj);
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if(a != nullptr) {
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if(action == "delete")
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remove_from_database(a->id, "asset");
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else
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prepareTemplate<asset_object>(*a, "asset");
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}
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}
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else if(value.is<account_balance_object>() && _es_objects_balances) {
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auto obj = db.find_object(value);
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auto b = static_cast<const account_balance_object*>(obj);
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if(b != nullptr) {
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if(action == "delete")
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remove_from_database(b->id, "balance");
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else
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prepareTemplate<account_balance_object>(*b, "balance");
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}
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}
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else if(value.is<limit_order_object>() && _es_objects_limit_orders) {
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auto obj = db.find_object(value);
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auto l = static_cast<const limit_order_object*>(obj);
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if(l != nullptr) {
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if(action == "delete")
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remove_from_database(l->id, "limitorder");
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else
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prepareTemplate<limit_order_object>(*l, "limitorder");
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}
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}
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else if(value.is<asset_bitasset_data_object>() && _es_objects_asset_bitasset) {
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auto obj = db.find_object(value);
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auto ba = static_cast<const asset_bitasset_data_object*>(obj);
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if(ba != nullptr) {
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if(action == "delete")
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remove_from_database(ba->id, "bitasset");
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else
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prepareTemplate<asset_bitasset_data_object>(*ba, "bitasset");
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}
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}
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}
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if (curl && bulk.size() >= limit_documents) { // we are in bulk time, ready to add data to elasticsearech
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graphene::utilities::ES es;
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es.curl = curl;
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es.bulk_lines = bulk;
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es.elasticsearch_url = _es_objects_elasticsearch_url;
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es.auth = _es_objects_auth;
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if(!graphene::utilities::SendBulk(es))
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return false;
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else
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bulk.clear();
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}
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return true;
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}
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void es_objects_plugin_impl::remove_from_database( object_id_type id, std::string index)
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{
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if(_es_objects_keep_only_current)
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{
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fc::mutable_variant_object delete_line;
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delete_line["_id"] = string(id);
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delete_line["_index"] = _es_objects_index_prefix + index;
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delete_line["_type"] = "data";
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fc::mutable_variant_object final_delete_line;
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final_delete_line["delete"] = delete_line;
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prepare.push_back(fc::json::to_string(final_delete_line));
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std::move(prepare.begin(), prepare.end(), std::back_inserter(bulk));
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prepare.clear();
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}
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}
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template<typename T>
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void es_objects_plugin_impl::prepareTemplate(T blockchain_object, string index_name)
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{
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fc::mutable_variant_object bulk_header;
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bulk_header["_index"] = _es_objects_index_prefix + index_name;
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bulk_header["_type"] = "data";
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if(_es_objects_keep_only_current)
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{
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bulk_header["_id"] = string(blockchain_object.id);
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}
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adaptor_struct adaptor;
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fc::variant blockchain_object_variant;
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fc::to_variant( blockchain_object, blockchain_object_variant, GRAPHENE_NET_MAX_NESTED_OBJECTS );
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fc::mutable_variant_object o = adaptor.adapt(blockchain_object_variant.get_object());
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o["object_id"] = string(blockchain_object.id);
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o["block_time"] = block_time;
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o["block_number"] = block_number;
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string data = fc::json::to_string(o);
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prepare = graphene::utilities::createBulk(bulk_header, std::move(data));
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std::move(prepare.begin(), prepare.end(), std::back_inserter(bulk));
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prepare.clear();
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}
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es_objects_plugin_impl::~es_objects_plugin_impl()
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{
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return;
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}
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} // end namespace detail
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es_objects_plugin::es_objects_plugin() :
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my( new detail::es_objects_plugin_impl(*this) )
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{
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}
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es_objects_plugin::~es_objects_plugin()
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{
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}
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std::string es_objects_plugin::plugin_name()const
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{
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return "es_objects";
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}
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std::string es_objects_plugin::plugin_description()const
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{
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return "Stores blockchain objects in ES database. Experimental.";
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}
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void es_objects_plugin::plugin_set_program_options(
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boost::program_options::options_description& cli,
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boost::program_options::options_description& cfg
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)
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{
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cli.add_options()
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("es-objects-elasticsearch-url", boost::program_options::value<std::string>(), "Elasticsearch node url(http://localhost:9200/)")
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("es-objects-auth", boost::program_options::value<std::string>(), "Basic auth username:password('')")
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("es-objects-bulk-replay", boost::program_options::value<uint32_t>(), "Number of bulk documents to index on replay(10000)")
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("es-objects-bulk-sync", boost::program_options::value<uint32_t>(), "Number of bulk documents to index on a synchronized chain(100)")
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("es-objects-proposals", boost::program_options::value<bool>(), "Store proposal objects(true)")
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("es-objects-accounts", boost::program_options::value<bool>(), "Store account objects(true)")
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("es-objects-assets", boost::program_options::value<bool>(), "Store asset objects(true)")
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("es-objects-balances", boost::program_options::value<bool>(), "Store balances objects(true)")
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("es-objects-limit-orders", boost::program_options::value<bool>(), "Store limit order objects(true)")
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("es-objects-asset-bitasset", boost::program_options::value<bool>(), "Store feed data(true)")
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("es-objects-index-prefix", boost::program_options::value<std::string>(), "Add a prefix to the index(objects-)")
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("es-objects-keep-only-current", boost::program_options::value<bool>(), "Keep only current state of the objects(true)")
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;
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cfg.add(cli);
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}
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void es_objects_plugin::plugin_initialize(const boost::program_options::variables_map& options)
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{
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database().new_objects.connect([&]( const vector<object_id_type>& ids, const flat_set<account_id_type>& impacted_accounts ) {
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if(!my->index_database(ids, "create"))
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{
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FC_THROW_EXCEPTION(fc::exception, "Error creating object from ES database, we are going to keep trying.");
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}
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});
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database().changed_objects.connect([&]( const vector<object_id_type>& ids, const flat_set<account_id_type>& impacted_accounts ) {
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if(!my->index_database(ids, "update"))
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{
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FC_THROW_EXCEPTION(fc::exception, "Error updating object from ES database, we are going to keep trying.");
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}
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});
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database().removed_objects.connect([this](const vector<object_id_type>& ids, const vector<const object*>& objs, const flat_set<account_id_type>& impacted_accounts) {
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if(!my->index_database(ids, "delete"))
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{
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FC_THROW_EXCEPTION(fc::exception, "Error deleting object from ES database, we are going to keep trying.");
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}
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});
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if (options.count("es-objects-elasticsearch-url")) {
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my->_es_objects_elasticsearch_url = options["es-objects-elasticsearch-url"].as<std::string>();
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}
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if (options.count("es-objects-auth")) {
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my->_es_objects_auth = options["es-objects-auth"].as<std::string>();
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}
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if (options.count("es-objects-bulk-replay")) {
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my->_es_objects_bulk_replay = options["es-objects-bulk-replay"].as<uint32_t>();
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}
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if (options.count("es-objects-bulk-sync")) {
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my->_es_objects_bulk_sync = options["es-objects-bulk-sync"].as<uint32_t>();
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}
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if (options.count("es-objects-proposals")) {
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my->_es_objects_proposals = options["es-objects-proposals"].as<bool>();
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}
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if (options.count("es-objects-accounts")) {
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my->_es_objects_accounts = options["es-objects-accounts"].as<bool>();
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}
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if (options.count("es-objects-assets")) {
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my->_es_objects_assets = options["es-objects-assets"].as<bool>();
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}
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if (options.count("es-objects-balances")) {
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my->_es_objects_balances = options["es-objects-balances"].as<bool>();
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}
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if (options.count("es-objects-limit-orders")) {
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my->_es_objects_limit_orders = options["es-objects-limit-orders"].as<bool>();
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}
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if (options.count("es-objects-asset-bitasset")) {
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my->_es_objects_asset_bitasset = options["es-objects-asset-bitasset"].as<bool>();
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}
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if (options.count("es-objects-index-prefix")) {
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my->_es_objects_index_prefix = options["es-objects-index-prefix"].as<std::string>();
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}
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if (options.count("es-objects-keep-only-current")) {
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my->_es_objects_keep_only_current = options["es-objects-keep-only-current"].as<bool>();
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}
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}
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void es_objects_plugin::plugin_startup()
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{
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graphene::utilities::ES es;
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es.curl = my->curl;
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es.elasticsearch_url = my->_es_objects_elasticsearch_url;
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es.auth = my->_es_objects_auth;
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es.auth = my->_es_objects_index_prefix;
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if(!graphene::utilities::checkES(es))
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FC_THROW_EXCEPTION(fc::exception, "ES database is not up in url ${url}", ("url", my->_es_objects_elasticsearch_url));
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ilog("elasticsearch OBJECTS: plugin_startup() begin");
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}
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} }
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