peerplays_migrated/libraries/app/include/graphene/app/api.hpp
2016-03-15 12:25:01 -04:00

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8.9 KiB
C++

/*
* Copyright (c) 2015 Cryptonomex, Inc., and contributors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* 1. Any modified source or binaries are used only with the BitShares network.
*
* 2. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
#include <graphene/app/database_api.hpp>
#include <graphene/chain/protocol/types.hpp>
#include <graphene/market_history/market_history_plugin.hpp>
#include <graphene/net/node.hpp>
#include <fc/api.hpp>
#include <fc/optional.hpp>
#include <fc/network/ip.hpp>
#include <boost/container/flat_set.hpp>
#include <functional>
#include <map>
#include <string>
#include <vector>
namespace graphene { namespace app {
using namespace graphene::chain;
using namespace graphene::market_history;
using namespace std;
class application;
/**
* @brief The history_api class implements the RPC API for account history
*
* This API contains methods to access account histories
*/
class history_api
{
public:
history_api(application& app):_app(app){}
/**
* @brief Get operations relevant to the specificed account
* @param account The account whose history should be queried
* @param stop ID of the earliest operation to retrieve
* @param limit Maximum number of operations to retrieve (must not exceed 100)
* @param start ID of the most recent operation to retrieve
* @return A list of operations performed by account, ordered from most recent to oldest.
*/
vector<operation_history_object> get_account_history(account_id_type account,
operation_history_id_type stop = operation_history_id_type(),
unsigned limit = 100,
operation_history_id_type start = operation_history_id_type())const;
vector<operation_history_object> get_relative_account_history( account_id_type account,
uint32_t stop = 0,
unsigned limit = 100,
uint32_t start = 0) const;
vector<order_history_object> get_fill_order_history( asset_id_type a, asset_id_type b, uint32_t limit )const;
vector<bucket_object> get_market_history( asset_id_type a, asset_id_type b, uint32_t bucket_seconds,
fc::time_point_sec start, fc::time_point_sec end )const;
flat_set<uint32_t> get_market_history_buckets()const;
private:
application& _app;
};
/**
* @brief The network_broadcast_api class allows broadcasting of transactions.
*/
class network_broadcast_api : public std::enable_shared_from_this<network_broadcast_api>
{
public:
network_broadcast_api(application& a);
struct transaction_confirmation
{
transaction_id_type id;
uint32_t block_num;
uint32_t trx_num;
processed_transaction trx;
};
typedef std::function<void(variant/*transaction_confirmation*/)> confirmation_callback;
/**
* @brief Broadcast a transaction to the network
* @param trx The transaction to broadcast
*
* The transaction will be checked for validity in the local database prior to broadcasting. If it fails to
* apply locally, an error will be thrown and the transaction will not be broadcast.
*/
void broadcast_transaction(const signed_transaction& trx);
/** this version of broadcast transaction registers a callback method that will be called when the transaction is
* included into a block. The callback method includes the transaction id, block number, and transaction number in the
* block.
*/
void broadcast_transaction_with_callback( confirmation_callback cb, const signed_transaction& trx);
void broadcast_block( const signed_block& block );
/**
* @brief Not reflected, thus not accessible to API clients.
*
* This function is registered to receive the applied_block
* signal from the chain database when a block is received.
* It then dispatches callbacks to clients who have requested
* to be notified when a particular txid is included in a block.
*/
void on_applied_block( const signed_block& b );
private:
boost::signals2::scoped_connection _applied_block_connection;
map<transaction_id_type,confirmation_callback> _callbacks;
application& _app;
};
/**
* @brief The network_node_api class allows maintenance of p2p connections.
*/
class network_node_api
{
public:
network_node_api(application& a);
/**
* @brief Return general network information, such as p2p port
*/
fc::variant get_info() const;
/**
* @brief add_node Connect to a new peer
* @param ep The IP/Port of the peer to connect to
*/
void add_node(const fc::ip::endpoint& ep);
/**
* @brief Get status of all current connections to peers
*/
std::vector<net::peer_status> get_connected_peers() const;
private:
application& _app;
};
/**
* @brief The login_api class implements the bottom layer of the RPC API
*
* All other APIs must be requested from this API.
*/
class login_api
{
public:
login_api(application& a);
~login_api();
/**
* @brief Authenticate to the RPC server
* @param user Username to login with
* @param password Password to login with
* @return True if logged in successfully; false otherwise
*
* @note This must be called prior to requesting other APIs. Other APIs may not be accessible until the client
* has sucessfully authenticated.
*/
bool login(const string& user, const string& password);
/// @brief Retrieve the network broadcast API
fc::api<network_broadcast_api> network_broadcast()const;
/// @brief Retrieve the database API
fc::api<database_api> database()const;
/// @brief Retrieve the history API
fc::api<history_api> history()const;
/// @brief Retrieve the network node API
fc::api<network_node_api> network_node()const;
private:
/// @brief Called to enable an API, not reflected.
void enable_api( const string& api_name );
application& _app;
optional< fc::api<database_api> > _database_api;
optional< fc::api<network_broadcast_api> > _network_broadcast_api;
optional< fc::api<network_node_api> > _network_node_api;
optional< fc::api<history_api> > _history_api;
};
}} // graphene::app
FC_REFLECT( graphene::app::network_broadcast_api::transaction_confirmation,
(id)(block_num)(trx_num)(trx) )
FC_API(graphene::app::history_api,
(get_account_history)
(get_fill_order_history)
(get_market_history)
(get_market_history_buckets)
)
FC_API(graphene::app::network_broadcast_api,
(broadcast_transaction)
(broadcast_transaction_with_callback)
(broadcast_block)
)
FC_API(graphene::app::network_node_api,
(get_info)
(add_node)
(get_connected_peers)
)
FC_API(graphene::app::login_api,
(login)
(network_broadcast)
(database)
(history)
(network_node)
)