cfa95a3f57
This is done to comply with the policy that transactions should be self describing and not depend upon implied state. This makes things easier for everyone to understand exactly when a transaction will be invalid without having to refer to chain state.
68 lines
3.3 KiB
C++
68 lines
3.3 KiB
C++
/*
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* Copyright (c) 2015, Cryptonomex, Inc.
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* All rights reserved.
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*
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* This source code is provided for evaluation in private test networks only, until September 8, 2015. After this date, this license expires and
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* the code may not be used, modified or distributed for any purpose. Redistribution and use in source and binary forms, with or without modification,
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* are permitted until September 8, 2015, provided that the following conditions are met:
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*
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* 1. The code and/or derivative works are used only for private test networks consisting of no more than 10 P2P nodes.
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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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#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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hashed_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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