88 lines
3.5 KiB
C++
88 lines
3.5 KiB
C++
/*
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* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
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*
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* 1. Any modified source or binaries are used only with the BitShares network.
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*
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* 2. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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*
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* 3. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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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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