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// Copyright (c) 2018-2019, The Monero Project
//
// 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. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// 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 <string>
#include <unordered_set>
#include <unordered_map>
#include <boost/thread/mutex.hpp>
#include <boost/serialization/version.hpp>
#include "cryptonote_basic/blobdatatype.h"
#include "cryptonote_basic/cryptonote_basic.h"
namespace cryptonote
{
class rpc_payment
{
public:
struct client_info
{
cryptonote::block block;
cryptonote::block previous_block;
cryptonote::blobdata hashing_blob;
cryptonote::blobdata previous_hashing_blob;
uint64_t previous_seed_height;
uint64_t seed_height;
crypto::hash previous_seed_hash;
crypto::hash seed_hash;
uint32_t cookie;
crypto::hash top;
crypto::hash previous_top;
uint64_t credits;
std::unordered_set<uint64_t> payments;
std::unordered_set<uint64_t> previous_payments;
uint64_t update_time;
uint64_t last_request_timestamp;
uint64_t block_template_update_time;
uint64_t credits_total;
uint64_t credits_used;
uint64_t nonces_good;
uint64_t nonces_stale;
uint64_t nonces_bad;
uint64_t nonces_dupe;
client_info();
template <class t_archive>
inline void serialize(t_archive &a, const unsigned int ver)
{
a & block;
a & previous_block;
a & hashing_blob;
a & previous_hashing_blob;
a & seed_height;
a & previous_seed_height;
a & seed_hash;
a & previous_seed_hash;
a & cookie;
a & top;
a & previous_top;
a & credits;
a & payments;
a & previous_payments;
a & update_time;
a & last_request_timestamp;
a & block_template_update_time;
a & credits_total;
a & credits_used;
a & nonces_good;
a & nonces_stale;
a & nonces_bad;
a & nonces_dupe;
}
};
public:
rpc_payment(const cryptonote::account_public_address &address, uint64_t diff, uint64_t credits_per_hash_found);
uint64_t balance(const crypto::public_key &client, int64_t delta = 0);
bool pay(const crypto::public_key &client, uint64_t ts, uint64_t payment, const std::string &rpc, bool same_ts, uint64_t &credits);
bool get_info(const crypto::public_key &client, const std::function<bool(const cryptonote::blobdata&, cryptonote::block&, uint64_t &seed_height, crypto::hash &seed_hash)> &get_block_template, cryptonote::blobdata &hashing_blob, uint64_t &seed_height, crypto::hash &seed_hash, const crypto::hash &top, uint64_t &diff, uint64_t &credits_per_hash_found, uint64_t &credits, uint32_t &cookie);
bool submit_nonce(const crypto::public_key &client, uint32_t nonce, const crypto::hash &top, int64_t &error_code, std::string &error_message, uint64_t &credits, crypto::hash &hash, cryptonote::block &block, uint32_t cookie, bool &stale);
const cryptonote::account_public_address &get_payment_address() const { return m_address; }
bool foreach(const std::function<bool(const crypto::public_key &client, const client_info &info)> &f) const;
unsigned int flush_by_age(time_t seconds = 0);
uint64_t get_hashes(unsigned int seconds) const;
void prune_hashrate(unsigned int seconds);
bool on_idle();
template <class t_archive>
inline void serialize(t_archive &a, const unsigned int ver)
{
a & m_client_info;
a & m_hashrate;
a & m_credits_total;
a & m_credits_used;
a & m_nonces_good;
a & m_nonces_stale;
a & m_nonces_bad;
a & m_nonces_dupe;
}
bool load(std::string directory);
bool store(const std::string &directory = std::string()) const;
private:
cryptonote::account_public_address m_address;
uint64_t m_diff;
uint64_t m_credits_per_hash_found;
std::unordered_map<crypto::public_key, client_info> m_client_info;
std::string m_directory;
std::map<uint64_t, uint64_t> m_hashrate;
uint64_t m_credits_total;
uint64_t m_credits_used;
uint64_t m_nonces_good;
uint64_t m_nonces_stale;
uint64_t m_nonces_bad;
uint64_t m_nonces_dupe;
mutable boost::mutex mutex;
};
}
BOOST_CLASS_VERSION(cryptonote::rpc_payment, 0);
BOOST_CLASS_VERSION(cryptonote::rpc_payment::client_info, 0);
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