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448 lines
18 KiB
448 lines
18 KiB
// Copyright (c) 2017-2022, 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 "rpc/rpc_payment_signature.h"
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#include "rpc/rpc_payment_costs.h"
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#include "storages/http_abstract_invoke.h"
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#include <boost/thread.hpp>
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#define RETURN_ON_RPC_RESPONSE_ERROR(r, error, res, method) \
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do { \
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CHECK_AND_ASSERT_MES(error.code == 0, error.message, error.message); \
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handle_payment_changes(res, std::integral_constant<bool, HasCredits<decltype(res)>::Has>()); \
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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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/* empty string -> not connection */ \
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CHECK_AND_ASSERT_MES(!res.status.empty(), res.status, "No connection to daemon"); \
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CHECK_AND_ASSERT_MES(res.status != CORE_RPC_STATUS_BUSY, res.status, "Daemon busy"); \
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CHECK_AND_ASSERT_MES(res.status != CORE_RPC_STATUS_PAYMENT_REQUIRED, res.status, "Payment required"); \
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CHECK_AND_ASSERT_MES(res.status == CORE_RPC_STATUS_OK, res.status, "Error calling " + std::string(method) + " daemon RPC"); \
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} while(0)
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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::seconds(10);
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NodeRPCProxy::NodeRPCProxy(epee::net_utils::http::abstract_http_client &http_client, rpc_payment_state_t &rpc_payment_state, boost::recursive_mutex &mutex)
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: m_http_client(http_client)
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, m_rpc_payment_state(rpc_payment_state)
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, m_daemon_rpc_mutex(mutex)
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, m_offline(false)
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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_dynamic_base_fee_estimate_vector.clear();
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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_adjusted_time = 0;
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m_get_info_time = 0;
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m_rpc_payment_info_time = 0;
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m_rpc_payment_seed_height = 0;
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m_rpc_payment_seed_hash = crypto::null_hash;
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m_rpc_payment_next_seed_hash = crypto::null_hash;
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m_height_time = 0;
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m_target_height_time = 0;
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m_rpc_payment_diff = 0;
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m_rpc_payment_credits_per_hash_found = 0;
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m_rpc_payment_height = 0;
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m_rpc_payment_cookie = 0;
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m_daemon_hard_forks.clear();
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}
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boost::optional<std::string> NodeRPCProxy::get_rpc_version(uint32_t &rpc_version, std::vector<std::pair<uint8_t, uint64_t>> &daemon_hard_forks, uint64_t &height, uint64_t &target_height)
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{
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if (m_offline)
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return boost::optional<std::string>("offline");
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if (m_rpc_version == 0)
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{
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const time_t now = time(NULL);
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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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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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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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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "get_version");
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}
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m_rpc_version = resp_t.version;
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m_daemon_hard_forks.clear();
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for (const auto &hf : resp_t.hard_forks)
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m_daemon_hard_forks.push_back(std::make_pair(hf.hf_version, hf.height));
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if (resp_t.current_height > 0 || resp_t.target_height > 0)
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{
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m_height = resp_t.current_height;
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m_target_height = resp_t.target_height;
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m_height_time = now;
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m_target_height_time = now;
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}
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}
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rpc_version = m_rpc_version;
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daemon_hard_forks = m_daemon_hard_forks;
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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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result = get_target_height(target_height);
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if (result)
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return result;
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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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m_height_time = time(NULL);
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}
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boost::optional<std::string> NodeRPCProxy::get_info()
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{
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if (m_offline)
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return boost::optional<std::string>("offline");
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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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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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uint64_t pre_call_credits = m_rpc_payment_state.credits;
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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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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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "get_info");
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check_rpc_cost(m_rpc_payment_state, "get_info", resp_t.credits, pre_call_credits, COST_PER_GET_INFO);
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}
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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_adjusted_time = resp_t.adjusted_time;
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m_get_info_time = now;
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m_height_time = now;
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m_target_height_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)
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{
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const time_t now = time(NULL);
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if (now < m_height_time + 30) // re-cache every 30 seconds
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{
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height = m_height;
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return boost::optional<std::string>();
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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)
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{
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const time_t now = time(NULL);
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if (now < m_target_height_time + 30) // re-cache every 30 seconds
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{
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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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auto res = get_info();
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if (res)
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return res;
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height = m_target_height > m_height ? m_target_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_block_weight_limit(uint64_t &block_weight_limit)
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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_adjusted_time(uint64_t &adjusted_time)
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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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adjusted_time = m_adjusted_time;
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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)
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{
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if (m_offline)
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return boost::optional<std::string>("offline");
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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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req_t.version = version;
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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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uint64_t pre_call_credits = m_rpc_payment_state.credits;
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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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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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "hard_fork_info");
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check_rpc_cost(m_rpc_payment_state, "hard_fork_info", resp_t.credits, pre_call_credits, COST_PER_HARD_FORK_INFO);
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}
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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_2021_scaling(uint64_t grace_blocks, std::vector<uint64_t> &fees)
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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_offline)
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return boost::optional<std::string>("offline");
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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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req_t.grace_blocks = grace_blocks;
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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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uint64_t pre_call_credits = m_rpc_payment_state.credits;
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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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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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "get_fee_estimate");
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check_rpc_cost(m_rpc_payment_state, "get_fee_estimate", resp_t.credits, pre_call_credits, COST_PER_FEE_ESTIMATE);
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}
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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_dynamic_base_fee_estimate_vector = !resp_t.fees.empty() ? std::move(resp_t.fees) : std::vector<uint64_t>{m_dynamic_base_fee_estimate};
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m_fee_quantization_mask = resp_t.quantization_mask;
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}
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fees = m_dynamic_base_fee_estimate_vector;
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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)
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{
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std::vector<uint64_t> fees;
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auto res = get_dynamic_base_fee_estimate_2021_scaling(grace_blocks, fees);
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if (res)
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return res;
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fee = fees[0];
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return boost::none;
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}
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boost::optional<std::string> NodeRPCProxy::get_fee_quantization_mask(uint64_t &fee_quantization_mask)
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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_offline)
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return boost::optional<std::string>("offline");
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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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req_t.grace_blocks = m_dynamic_base_fee_estimate_grace_blocks;
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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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uint64_t pre_call_credits = m_rpc_payment_state.credits;
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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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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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "get_fee_estimate");
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check_rpc_cost(m_rpc_payment_state, "get_fee_estimate", resp_t.credits, pre_call_credits, COST_PER_FEE_ESTIMATE);
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}
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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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boost::optional<std::string> NodeRPCProxy::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)
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{
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const time_t now = time(NULL);
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if (m_rpc_payment_state.stale || now >= m_rpc_payment_info_time + 5*60 || (mining && now >= m_rpc_payment_info_time + 10)) // re-cache every 10 seconds if mining, 5 minutes otherwise
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{
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cryptonote::COMMAND_RPC_ACCESS_INFO::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_ACCESS_INFO::response resp_t = AUTO_VAL_INIT(resp_t);
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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "rpc_access_info", req_t, resp_t, m_http_client, rpc_timeout);
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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "rpc_access_info");
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m_rpc_payment_state.stale = false;
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}
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m_rpc_payment_diff = resp_t.diff;
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m_rpc_payment_credits_per_hash_found = resp_t.credits_per_hash_found;
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m_rpc_payment_height = resp_t.height;
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m_rpc_payment_seed_height = resp_t.seed_height;
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m_rpc_payment_cookie = resp_t.cookie;
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if (m_rpc_payment_diff == 0)
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{
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// If no payment required daemon doesn't give us back a hashing blob
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m_rpc_payment_blob.clear();
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}
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else if (!epee::string_tools::parse_hexstr_to_binbuff(resp_t.hashing_blob, m_rpc_payment_blob) || m_rpc_payment_blob.size() < 43)
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{
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MERROR("Invalid hashing blob: " << resp_t.hashing_blob);
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return std::string("Invalid hashing blob");
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}
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if (resp_t.seed_hash.empty())
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{
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m_rpc_payment_seed_hash = crypto::null_hash;
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}
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else if (!epee::string_tools::hex_to_pod(resp_t.seed_hash, m_rpc_payment_seed_hash))
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{
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MERROR("Invalid seed_hash: " << resp_t.seed_hash);
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return std::string("Invalid seed hash");
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}
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if (resp_t.next_seed_hash.empty())
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{
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m_rpc_payment_next_seed_hash = crypto::null_hash;
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}
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else if (!epee::string_tools::hex_to_pod(resp_t.next_seed_hash, m_rpc_payment_next_seed_hash))
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{
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MERROR("Invalid next_seed_hash: " << resp_t.next_seed_hash);
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return std::string("Invalid next seed hash");
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}
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m_rpc_payment_info_time = now;
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}
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payment_required = m_rpc_payment_diff > 0;
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credits = m_rpc_payment_state.credits;
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diff = m_rpc_payment_diff;
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credits_per_hash_found = m_rpc_payment_credits_per_hash_found;
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blob = m_rpc_payment_blob;
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height = m_rpc_payment_height;
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seed_height = m_rpc_payment_seed_height;
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seed_hash = m_rpc_payment_seed_hash;
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next_seed_hash = m_rpc_payment_next_seed_hash;
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cookie = m_rpc_payment_cookie;
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return boost::none;
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}
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boost::optional<std::string> NodeRPCProxy::get_transactions(const std::vector<crypto::hash> &txids, const std::function<void(const cryptonote::COMMAND_RPC_GET_TRANSACTIONS::request&, const cryptonote::COMMAND_RPC_GET_TRANSACTIONS::response&, bool)> &f)
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{
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const size_t SLICE_SIZE = 100; // RESTRICTED_TRANSACTIONS_COUNT as defined in rpc/core_rpc_server.cpp
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for (size_t offset = 0; offset < txids.size(); offset += SLICE_SIZE)
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{
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cryptonote::COMMAND_RPC_GET_TRANSACTIONS::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_GET_TRANSACTIONS::response resp_t = AUTO_VAL_INIT(resp_t);
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const size_t n_txids = std::min<size_t>(SLICE_SIZE, txids.size() - offset);
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for (size_t n = offset; n < (offset + n_txids); ++n)
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req_t.txs_hashes.push_back(epee::string_tools::pod_to_hex(txids[n]));
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MDEBUG("asking for " << req_t.txs_hashes.size() << " transactions");
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req_t.decode_as_json = false;
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req_t.prune = true;
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bool r = false;
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{
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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uint64_t pre_call_credits = m_rpc_payment_state.credits;
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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r = net_utils::invoke_http_json("/gettransactions", req_t, resp_t, m_http_client, rpc_timeout);
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if (r && resp_t.status == CORE_RPC_STATUS_OK)
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check_rpc_cost(m_rpc_payment_state, "/gettransactions", resp_t.credits, pre_call_credits, resp_t.txs.size() * COST_PER_TX);
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}
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f(req_t, resp_t, r);
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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_block_header_by_height(uint64_t height, cryptonote::block_header_response &block_header)
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{
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if (m_offline)
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return boost::optional<std::string>("offline");
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|
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cryptonote::COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::request req_t = AUTO_VAL_INIT(req_t);
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cryptonote::COMMAND_RPC_GET_BLOCK_HEADER_BY_HEIGHT::response resp_t = AUTO_VAL_INIT(resp_t);
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req_t.height = height;
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|
|
|
{
|
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const boost::lock_guard<boost::recursive_mutex> lock{m_daemon_rpc_mutex};
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uint64_t pre_call_credits = m_rpc_payment_state.credits;
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req_t.client = cryptonote::make_rpc_payment_signature(m_client_id_secret_key);
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bool r = net_utils::invoke_http_json_rpc("/json_rpc", "getblockheaderbyheight", req_t, resp_t, m_http_client, rpc_timeout);
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RETURN_ON_RPC_RESPONSE_ERROR(r, epee::json_rpc::error{}, resp_t, "getblockheaderbyheight");
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check_rpc_cost(m_rpc_payment_state, "getblockheaderbyheight", resp_t.credits, pre_call_credits, COST_PER_BLOCK_HEADER);
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}
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|
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block_header = std::move(resp_t.block_header);
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|
return boost::optional<std::string>();
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|
}
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|
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}
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