89 lines
3.3 KiB
C++
89 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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#include <graphene/chain/transaction_object.hpp>
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namespace graphene { namespace chain {
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const object* transaction_index::create(const std::function<void (object*)>& constructor, object_id_type)
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{
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transaction_object obj;
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obj.id = get_next_available_id();
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constructor(&obj);
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auto result = _index.insert(std::move(obj));
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FC_ASSERT(result.second, "Could not create transaction_object! Most likely a uniqueness constraint is violated.");
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return &*result.first;
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}
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void transaction_index::modify(const object* obj,
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const std::function<void (object*)>& m)
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{
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assert(obj != nullptr);
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FC_ASSERT(obj->id < _index.size());
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const transaction_object* t = dynamic_cast<const transaction_object*>(obj);
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assert(t != nullptr);
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auto itr = _index.find(obj->id.instance());
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assert(itr != _index.end());
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_index.modify(itr, [&m](transaction_object& o) { m(&o); });
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}
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void transaction_index::add(unique_ptr<object> o)
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{
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assert(o);
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object_id_type id = o->id;
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assert(id.space() == transaction_object::space_id);
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assert(id.type() == transaction_object::type_id);
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assert(id.instance() == size());
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auto trx = dynamic_cast<transaction_object*>(o.get());
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assert(trx != nullptr);
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o.release();
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auto result = _index.insert(std::move(*trx));
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FC_ASSERT(result.second, "Could not insert transaction_object! Most likely a uniqueness constraint is violated.");
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}
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void transaction_index::remove(object_id_type id)
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{
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auto& index = _index.get<instance>();
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auto itr = index.find(id.instance());
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if( itr == index.end() )
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return;
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assert(id.space() == transaction_object::space_id);
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assert(id.type() == transaction_object::type_id);
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index.erase(itr);
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}
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const object*transaction_index::get(object_id_type id) const
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{
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if( id.type() != transaction_object::type_id ||
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id.space() != transaction_object::space_id )
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return nullptr;
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auto itr = _index.find(id.instance());
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if( itr == _index.end() )
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return nullptr;
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return &*itr;
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}
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} } // graphene::chain
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