91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
/*
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* Copyright (c) 2015 Cryptonomex, Inc., 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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#pragma once
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#include <graphene/app/plugin.hpp>
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#include <graphene/chain/database.hpp>
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#include <fc/thread/future.hpp>
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namespace graphene { namespace witness_plugin {
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namespace block_production_condition
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{
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enum block_production_condition_enum
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{
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produced = 0,
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not_synced = 1,
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not_my_turn = 2,
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not_time_yet = 3,
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no_private_key = 4,
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low_participation = 5,
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lag = 6,
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consecutive = 7,
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exception_producing_block = 8
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};
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}
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class witness_plugin : public graphene::app::plugin {
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public:
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~witness_plugin() {
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try {
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if( _block_production_task.valid() )
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_block_production_task.cancel_and_wait(__FUNCTION__);
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} catch(fc::canceled_exception&) {
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//Expected exception. Move along.
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} catch(fc::exception& e) {
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edump((e.to_detail_string()));
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}
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}
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std::string plugin_name()const override;
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virtual void plugin_set_program_options(
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boost::program_options::options_description &command_line_options,
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boost::program_options::options_description &config_file_options
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) override;
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void set_block_production(bool allow) { _production_enabled = allow; }
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virtual void plugin_initialize( const boost::program_options::variables_map& options ) override;
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virtual void plugin_startup() override;
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virtual void plugin_shutdown() override;
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private:
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void schedule_production_loop();
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block_production_condition::block_production_condition_enum block_production_loop();
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block_production_condition::block_production_condition_enum maybe_produce_block( fc::mutable_variant_object& capture );
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boost::program_options::variables_map _options;
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bool _production_enabled = false;
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bool _consecutive_production_enabled = false;
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uint32_t _required_witness_participation = 33 * GRAPHENE_1_PERCENT;
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uint32_t _production_skip_flags = graphene::chain::database::skip_nothing;
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std::map<chain::public_key_type, fc::ecc::private_key> _private_keys;
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std::set<chain::witness_id_type> _witnesses;
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fc::future<void> _block_production_task;
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};
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} } //graphene::witness_plugin
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