v29.4-roots.1 · Commit 2: [PATCH 02/13] runtime: preserve shared operator controls
src/stats/rpc_stats.cpp
Before: /dev/null · After: src/stats/rpc_stats.cpp
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src/stats/rpc_stats.cpp
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// Copyright (c) 2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <rpc/server.h>
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#include <rpc/util.h>
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#include <stats/stats.h>
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#include <util/strencodings.h>
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#include <stdint.h>
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#include <univalue.h>
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static RPCHelpMan getmempoolstats()
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{
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return RPCHelpMan{"getmempoolstats",
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"\nReturns the collected mempool statistics (non-linear non-interpolated samples).\n",
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{},
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RPCResult{
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RPCResult::Type::OBJ, "", "",
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{
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{RPCResult::Type::NUM_TIME, "time_from", "Timestamp, first sample"},
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{RPCResult::Type::NUM_TIME, "time_to", "Timestamp, last sample"},
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{RPCResult::Type::ARR, "samples", "",
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{
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{RPCResult::Type::ARR_FIXED, "", "",
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{
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{RPCResult::Type::NUM, "", "Sample time in seconds (relative to other sample times only)"},
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{RPCResult::Type::NUM, "", "Number of transactions in the memory pool"},
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{RPCResult::Type::NUM, "", "Memory usage by memory pool"},
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{RPCResult::Type::NUM, "", "Minimum fee per kB"},
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}},
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}},
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}},
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RPCExamples{
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HelpExampleCli("getmempoolstats", "")
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+ HelpExampleRpc("getmempoolstats", "")
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},
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[&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
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{
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// get stats from the core stats model
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uint64_t timeFrom = 0;
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uint64_t timeTo = 0;
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mempoolSamples_t samples = CStats::DefaultStats()->mempoolGetValuesInRange(timeFrom, timeTo);
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// use "flat" json encoding for performance reasons
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UniValue samplesObj(UniValue::VARR);
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for (struct CStatsMempoolSample& sample : samples) {
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UniValue singleSample(UniValue::VARR);
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singleSample.push_back(UniValue((uint64_t)sample.m_time_delta));
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singleSample.push_back(UniValue(sample.m_tx_count));
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singleSample.push_back(UniValue(sample.m_dyn_mem_usage));
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singleSample.push_back(UniValue(sample.m_min_fee_per_k));
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samplesObj.push_back(singleSample);
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}
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UniValue result(UniValue::VOBJ);
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result.pushKV("time_from", timeFrom);
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result.pushKV("time_to", timeTo);
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result.pushKV("samples", samplesObj);
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return result;
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},
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};
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}
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void RegisterStatsRPCCommands(CRPCTable& t)
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{
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// clang-format off
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static const CRPCCommand commands[] =
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{ // category actor (function)
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// --------------------- ------------------------
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{ "stats", &getmempoolstats, },
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};
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// clang-format on
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for (const auto& c : commands) {
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t.appendCommand(c.name, &c);
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}
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}
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