mirror of
https://codeberg.org/anoncontributorxmr/monero.git
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221 lines
8.8 KiB
C++
221 lines
8.8 KiB
C++
// Copyright (c) 2017-2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "node_rpc_proxy.h"
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#include "rpc/core_rpc_server_commands_defs.h"
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#include "storages/http_abstract_invoke.h"
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using namespace epee;
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namespace tools
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{
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static const std::chrono::seconds rpc_timeout = std::chrono::minutes(3) + std::chrono::seconds(30);
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NodeRPCProxy::NodeRPCProxy(epee::net_utils::http::http_simple_client &http_client, boost::mutex &mutex)
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: m_http_client(http_client)
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, m_daemon_rpc_mutex(mutex)
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{
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invalidate();
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}
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void NodeRPCProxy::invalidate()
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{
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m_height = 0;
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for (size_t n = 0; n < 256; ++n)
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m_earliest_height[n] = 0;
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m_dynamic_base_fee_estimate = 0;
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m_dynamic_base_fee_estimate_cached_height = 0;
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m_dynamic_base_fee_estimate_grace_blocks = 0;
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m_fee_quantization_mask = 1;
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m_rpc_version = 0;
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m_target_height = 0;
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m_block_weight_limit = 0;
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m_get_info_time = 0;
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}
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boost::optional<std::string> NodeRPCProxy::get_rpc_version(uint32_t &rpc_version) const
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{
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if (m_rpc_version == 0)
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{
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cryptonote::COMMAND_RPC_GET_VERSION::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_GET_VERSION::response resp_t = AUTO_VAL_INIT(resp_t);
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m_daemon_rpc_mutex.lock();
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "get_version", req_t, resp_t, m_http_client, rpc_timeout);
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m_daemon_rpc_mutex.unlock();
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CHECK_AND_ASSERT_MES(r, std::string("Failed to connect to daemon"), "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status != CORE_RPC_STATUS_BUSY, resp_t.status, "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status == CORE_RPC_STATUS_OK, resp_t.status, "Failed to get daemon RPC version");
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m_rpc_version = resp_t.version;
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}
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rpc_version = m_rpc_version;
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return boost::optional<std::string>();
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}
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void NodeRPCProxy::set_height(uint64_t h)
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{
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m_height = h;
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}
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boost::optional<std::string> NodeRPCProxy::get_info() const
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{
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const time_t now = time(NULL);
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if (now >= m_get_info_time + 30) // re-cache every 30 seconds
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{
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cryptonote::COMMAND_RPC_GET_INFO::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_GET_INFO::response resp_t = AUTO_VAL_INIT(resp_t);
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m_daemon_rpc_mutex.lock();
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "get_info", req_t, resp_t, m_http_client, rpc_timeout);
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m_daemon_rpc_mutex.unlock();
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CHECK_AND_ASSERT_MES(r, std::string("Failed to connect to daemon"), "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status != CORE_RPC_STATUS_BUSY, resp_t.status, "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status == CORE_RPC_STATUS_OK, resp_t.status, "Failed to get target blockchain height");
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m_height = resp_t.height;
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m_target_height = resp_t.target_height;
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m_block_weight_limit = resp_t.block_weight_limit ? resp_t.block_weight_limit : resp_t.block_size_limit;
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m_get_info_time = now;
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}
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return boost::optional<std::string>();
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}
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boost::optional<std::string> NodeRPCProxy::get_height(uint64_t &height) const
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{
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auto res = get_info();
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if (res)
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return res;
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height = m_height;
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return boost::optional<std::string>();
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}
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boost::optional<std::string> NodeRPCProxy::get_target_height(uint64_t &height) const
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{
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auto res = get_info();
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if (res)
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return res;
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height = m_target_height;
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return boost::optional<std::string>();
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}
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boost::optional<std::string> NodeRPCProxy::get_block_weight_limit(uint64_t &block_weight_limit) const
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{
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auto res = get_info();
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if (res)
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return res;
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block_weight_limit = m_block_weight_limit;
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return boost::optional<std::string>();
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}
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boost::optional<std::string> NodeRPCProxy::get_earliest_height(uint8_t version, uint64_t &earliest_height) const
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{
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if (m_earliest_height[version] == 0)
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{
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cryptonote::COMMAND_RPC_HARD_FORK_INFO::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_HARD_FORK_INFO::response resp_t = AUTO_VAL_INIT(resp_t);
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m_daemon_rpc_mutex.lock();
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req_t.version = version;
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "hard_fork_info", req_t, resp_t, m_http_client, rpc_timeout);
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m_daemon_rpc_mutex.unlock();
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CHECK_AND_ASSERT_MES(r, std::string("Failed to connect to daemon"), "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status != CORE_RPC_STATUS_BUSY, resp_t.status, "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status == CORE_RPC_STATUS_OK, resp_t.status, "Failed to get hard fork status");
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m_earliest_height[version] = resp_t.earliest_height;
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}
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earliest_height = m_earliest_height[version];
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return boost::optional<std::string>();
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}
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boost::optional<std::string> NodeRPCProxy::get_dynamic_base_fee_estimate(uint64_t grace_blocks, uint64_t &fee) const
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{
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uint64_t height;
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boost::optional<std::string> result = get_height(height);
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if (result)
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return result;
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if (m_dynamic_base_fee_estimate_cached_height != height || m_dynamic_base_fee_estimate_grace_blocks != grace_blocks)
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{
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cryptonote::COMMAND_RPC_GET_BASE_FEE_ESTIMATE::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_GET_BASE_FEE_ESTIMATE::response resp_t = AUTO_VAL_INIT(resp_t);
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m_daemon_rpc_mutex.lock();
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req_t.grace_blocks = grace_blocks;
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "get_fee_estimate", req_t, resp_t, m_http_client, rpc_timeout);
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m_daemon_rpc_mutex.unlock();
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CHECK_AND_ASSERT_MES(r, std::string("Failed to connect to daemon"), "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status != CORE_RPC_STATUS_BUSY, resp_t.status, "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status == CORE_RPC_STATUS_OK, resp_t.status, "Failed to get fee estimate");
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m_dynamic_base_fee_estimate = resp_t.fee;
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m_dynamic_base_fee_estimate_cached_height = height;
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m_dynamic_base_fee_estimate_grace_blocks = grace_blocks;
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m_fee_quantization_mask = resp_t.quantization_mask;
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}
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fee = m_dynamic_base_fee_estimate;
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return boost::optional<std::string>();
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}
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boost::optional<std::string> NodeRPCProxy::get_fee_quantization_mask(uint64_t &fee_quantization_mask) const
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{
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uint64_t height;
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boost::optional<std::string> result = get_height(height);
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if (result)
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return result;
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if (m_dynamic_base_fee_estimate_cached_height != height)
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{
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cryptonote::COMMAND_RPC_GET_BASE_FEE_ESTIMATE::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_GET_BASE_FEE_ESTIMATE::response resp_t = AUTO_VAL_INIT(resp_t);
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m_daemon_rpc_mutex.lock();
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req_t.grace_blocks = m_dynamic_base_fee_estimate_grace_blocks;
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "get_fee_estimate", req_t, resp_t, m_http_client, rpc_timeout);
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m_daemon_rpc_mutex.unlock();
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CHECK_AND_ASSERT_MES(r, std::string("Failed to connect to daemon"), "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status != CORE_RPC_STATUS_BUSY, resp_t.status, "Failed to connect to daemon");
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CHECK_AND_ASSERT_MES(resp_t.status == CORE_RPC_STATUS_OK, resp_t.status, "Failed to get fee estimate");
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m_dynamic_base_fee_estimate = resp_t.fee;
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m_dynamic_base_fee_estimate_cached_height = height;
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m_fee_quantization_mask = resp_t.quantization_mask;
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}
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fee_quantization_mask = m_fee_quantization_mask;
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if (fee_quantization_mask == 0)
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{
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MERROR("Fee quantization mask is 0, forcing to 1");
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fee_quantization_mask = 1;
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}
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return boost::optional<std::string>();
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}
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}
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