peerplays_migrated/libraries/chain/include/graphene/chain/proposal_object.hpp
2019-11-29 14:10:40 +03:00

102 lines
3.9 KiB
C++

/*
* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
*
* The MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
#include <graphene/chain/protocol/transaction.hpp>
#include <graphene/chain/transaction_evaluation_state.hpp>
#include <graphene/db/generic_index.hpp>
#include <boost/multi_index/composite_key.hpp>
namespace graphene { namespace chain {
class database;
/**
* @brief tracks the approval of a partially approved transaction
* @ingroup object
* @ingroup protocol
*/
class proposal_object : public abstract_object<proposal_object>
{
public:
static const uint8_t space_id = protocol_ids;
static const uint8_t type_id = proposal_object_type;
time_point_sec expiration_time;
optional<time_point_sec> review_period_time;
transaction proposed_transaction;
flat_set<account_id_type> required_active_approvals;
flat_set<account_id_type> available_active_approvals;
flat_set<account_id_type> required_owner_approvals;
flat_set<account_id_type> available_owner_approvals;
flat_set<public_key_type> available_key_approvals;
account_id_type proposer;
std::string fail_reason;
bool is_authorized_to_execute(database& db) const;
};
/**
* @brief tracks all of the proposal objects that requrie approval of
* an individual account.
*
* @ingroup object
* @ingroup protocol
*
* This is a secondary index on the proposal_index
*
* @note the set of required approvals is constant
*/
class required_approval_index : public secondary_index
{
public:
virtual void object_inserted( const object& obj ) override;
virtual void object_removed( const object& obj ) override;
virtual void about_to_modify( const object& before ) override{};
virtual void object_modified( const object& after ) override{};
void remove( account_id_type a, proposal_id_type p );
map<account_id_type, set<proposal_id_type> > _account_to_proposals;
};
struct by_expiration{};
typedef boost::multi_index_container<
proposal_object,
indexed_by<
ordered_unique< tag< by_id >, member< object, object_id_type, &object::id > >,
ordered_non_unique< tag< by_expiration >, member< proposal_object, time_point_sec, &proposal_object::expiration_time > >
>
> proposal_multi_index_container;
typedef generic_index<proposal_object, proposal_multi_index_container> proposal_index;
} } // graphene::chain
FC_REFLECT_DERIVED( graphene::chain::proposal_object, (graphene::chain::object),
(expiration_time)(review_period_time)(proposed_transaction)(required_active_approvals)
(available_active_approvals)(required_owner_approvals)(available_owner_approvals)
(available_key_approvals)(proposer)(fail_reason))
GRAPHENE_EXTERNAL_SERIALIZATION( extern, graphene::chain::proposal_object )