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// Copyright (c) 2017-2020, 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 <boost/thread/mutex.hpp>
#include <boost/thread/recursive_mutex.hpp>
#include "include_base_utils.h"
#include "net/abstract_http_client.h"
#include "rpc/core_rpc_server_commands_defs.h"
#include "wallet_rpc_helpers.h"
namespace tools
{
class NodeRPCProxy
{
public:
NodeRPCProxy(epee::net_utils::http::abstract_http_client &http_client, rpc_payment_state_t &rpc_payment_state, boost::recursive_mutex &mutex);
void set_client_secret_key(const crypto::secret_key &skey) { m_client_id_secret_key = skey; }
void invalidate();
void set_offline(bool offline) { m_offline = offline; }
boost::optional<std::string> get_rpc_version(uint32_t &version);
boost::optional<std::string> get_height(uint64_t &height);
void set_height(uint64_t h);
boost::optional<std::string> get_target_height(uint64_t &height);
boost::optional<std::string> get_block_weight_limit(uint64_t &block_weight_limit);
boost::optional<std::string> get_adjusted_time(uint64_t &adjusted_time);
boost::optional<std::string> get_earliest_height(uint8_t version, uint64_t &earliest_height);
boost::optional<std::string> get_dynamic_base_fee_estimate(uint64_t grace_blocks, uint64_t &fee);
boost::optional<std::string> get_fee_quantization_mask(uint64_t &fee_quantization_mask);
boost::optional<std::string> get_rpc_payment_info(bool mining, bool &payment_required, uint64_t &credits, uint64_t &diff, uint64_t &credits_per_hash_found, cryptonote::blobdata &blob, uint64_t &height, uint64_t &seed_height, crypto::hash &seed_hash, crypto::hash &next_seed_hash, uint32_t &cookie);
private:
template<typename T> void handle_payment_changes(const T &res, std::true_type) {
if (res.status == CORE_RPC_STATUS_OK || res.status == CORE_RPC_STATUS_PAYMENT_REQUIRED)
m_rpc_payment_state.credits = res.credits;
if (res.top_hash != m_rpc_payment_state.top_hash)
{
m_rpc_payment_state.top_hash = res.top_hash;
m_rpc_payment_state.stale = true;
}
}
template<typename T> void handle_payment_changes(const T &res, std::false_type) {}
private:
boost::optional<std::string> get_info();
epee::net_utils::http::abstract_http_client &m_http_client;
rpc_payment_state_t &m_rpc_payment_state;
boost::recursive_mutex &m_daemon_rpc_mutex;
crypto::secret_key m_client_id_secret_key;
bool m_offline;
uint64_t m_height;
uint64_t m_earliest_height[256];
uint64_t m_dynamic_base_fee_estimate;
uint64_t m_dynamic_base_fee_estimate_cached_height;
uint64_t m_dynamic_base_fee_estimate_grace_blocks;
uint64_t m_fee_quantization_mask;
uint64_t m_adjusted_time;
uint32_t m_rpc_version;
uint64_t m_target_height;
uint64_t m_block_weight_limit;
time_t m_get_info_time;
time_t m_rpc_payment_info_time;
uint64_t m_rpc_payment_diff;
uint64_t m_rpc_payment_credits_per_hash_found;
cryptonote::blobdata m_rpc_payment_blob;
uint64_t m_rpc_payment_height;
uint64_t m_rpc_payment_seed_height;
crypto::hash m_rpc_payment_seed_hash;
crypto::hash m_rpc_payment_next_seed_hash;
uint32_t m_rpc_payment_cookie;
time_t m_height_time;
};
}
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