74 lines
3.1 KiB
C++
74 lines
3.1 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 <fc/io/raw.hpp>
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#include <graphene/chain/protocol/transaction.hpp>
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#include <graphene/db/index.hpp>
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#include <graphene/db/generic_index.hpp>
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#include <fc/uint128.hpp>
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#include <boost/multi_index_container.hpp>
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#include <boost/multi_index/member.hpp>
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#include <boost/multi_index/ordered_index.hpp>
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#include <boost/multi_index/hashed_index.hpp>
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#include <boost/multi_index/mem_fun.hpp>
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namespace graphene { namespace chain {
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using namespace graphene::db;
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using boost::multi_index_container;
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using namespace boost::multi_index;
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/**
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* The purpose of this object is to enable the detection of duplicate transactions. When a transaction is included
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* in a block a transaction_object is added. At the end of block processing all transaction_objects that have
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* expired can be removed from the index.
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*/
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class transaction_object : public abstract_object<transaction_object>
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{
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public:
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static const uint8_t space_id = implementation_ids;
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static const uint8_t type_id = impl_transaction_object_type;
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signed_transaction trx;
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transaction_id_type trx_id;
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time_point_sec get_expiration()const { return trx.expiration; }
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};
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struct by_expiration;
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struct by_id;
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struct by_trx_id;
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typedef multi_index_container<
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transaction_object,
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indexed_by<
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ordered_unique< tag<by_id>, member< object, object_id_type, &object::id > >,
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hashed_unique< tag<by_trx_id>, BOOST_MULTI_INDEX_MEMBER(transaction_object, transaction_id_type, trx_id), std::hash<transaction_id_type> >,
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ordered_non_unique< tag<by_expiration>, const_mem_fun<transaction_object, time_point_sec, &transaction_object::get_expiration > >
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>
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> transaction_multi_index_type;
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typedef generic_index<transaction_object, transaction_multi_index_type> transaction_index;
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} }
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FC_REFLECT_DERIVED( graphene::chain::transaction_object, (graphene::db::object), (trx)(trx_id) )
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