// Copyright (c) 2017-2019, 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,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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#pragma once
#include <string>
#include <boost/thread/mutex.hpp>
#include "include_base_utils.h"
#include "net/http_client.h"
namespace tools
{
class NodeRPCProxy
{
public:
NodeRPCProxy(epee::net_utils::http::http_simple_client &http_client, boost::mutex &mutex);
void invalidate();
boost::optional<std::string> get_rpc_version(uint32_t &version) const;
boost::optional<std::string> get_height(uint64_t &height) const;
void set_height(uint64_t h);
boost::optional<std::string> get_target_height(uint64_t &height) const;
boost::optional<std::string> get_block_weight_limit(uint64_t &block_weight_limit) const;
boost::optional<std::string> get_earliest_height(uint8_t version, uint64_t &earliest_height) const;
boost::optional<std::string> get_dynamic_base_fee_estimate(uint64_t grace_blocks, uint64_t &fee) const;
boost::optional<std::string> get_fee_quantization_mask(uint64_t &fee_quantization_mask) const;
private:
boost::optional<std::string> get_info() const;
epee::net_utils::http::http_simple_client &m_http_client;
boost::mutex &m_daemon_rpc_mutex;
mutable uint64_t m_height;
mutable uint64_t m_earliest_height[256];
mutable uint64_t m_dynamic_base_fee_estimate;
mutable uint64_t m_dynamic_base_fee_estimate_cached_height;
mutable uint64_t m_dynamic_base_fee_estimate_grace_blocks;
mutable uint64_t m_fee_quantization_mask;
mutable uint32_t m_rpc_version;
mutable uint64_t m_target_height;
mutable uint64_t m_block_weight_limit;
mutable time_t m_get_info_time;
};
}
