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/*
* Copyright (c) 2011-2013 libbitcoin developers (see AUTHORS)
*
* This file is part of libbitcoin.
*
* libbitcoin is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License with
* additional permissions to the one published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. For more information see LICENSE.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBBITCOIN_BLOCKS_POLLER_HPP
#define LIBBITCOIN_BLOCKS_POLLER_HPP
#include <bitcoin/blockchain/blockchain.hpp>
#include <bitcoin/network/channel.hpp>
namespace libbitcoin {
class poller
{
public:
poller(threadpool& pool, blockchain& chain);
void query(channel_ptr node);
void monitor(channel_ptr node);
private:
void initial_ask_blocks(const std::error_code& ec,
const block_locator_type& locator, channel_ptr node);
void receive_inv(const std::error_code& ec,
const inventory_type& packet, channel_ptr node);
void receive_block(const std::error_code& ec,
const block_type& blk, channel_ptr node);
void handle_store(const std::error_code& ec, block_info info,
const hash_digest& block_hash, channel_ptr node);
void ask_blocks(const std::error_code& ec,
const block_locator_type& locator,
const hash_digest& hash_stop, channel_ptr node);
io_service::strand strand_;
blockchain& chain_;
// Last hash from a block locator
hash_digest last_locator_begin_, last_hash_stop_;
// Last hash from an inventory packet
hash_digest last_block_hash_;
};
} // namespace libbitcoin
#endif
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