Files
clio/src/rpc/handlers/ServerInfo.cpp

69 lines
2.4 KiB
C++

#include <backend/BackendInterface.h>
#include <etl/ETLSource.h>
#include <rpc/RPCHelpers.h>
namespace RPC {
Result
doServerInfo(Context const& context)
{
boost::json::object response = {};
auto range = context.backend->fetchLedgerRange();
if (!range)
{
return Status{
Error::rpcNOT_READY,
"emptyDatabase",
"The server has no data in the database"};
}
else
{
response["info"] = boost::json::object{};
boost::json::object& info = response["info"].as_object();
info["complete_ledgers"] = std::to_string(range->minSequence) + "-" +
std::to_string(range->maxSequence);
info["counters"] = boost::json::object{};
info["counters"].as_object()["rpc"] = context.counters.report();
}
auto& cache = (response["cache"] = boost::json::object{}).as_object();
cache["size"] = context.backend->cache().size();
cache["is_full"] = context.backend->cache().isFull();
cache["latest_ledger_seq"] =
context.backend->cache().latestLedgerSequence();
auto serverInfoRippled = context.balancer->forwardToRippled(
context.params, context.clientIp, context.yield);
if (serverInfoRippled && !serverInfoRippled->contains("error"))
response["info"].as_object()["load_factor"] = 1;
auto lgrInfo = context.backend->fetchLedgerBySequence(
range->maxSequence, context.yield);
assert(lgrInfo.has_value());
auto age = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::system_clock::now().time_since_epoch())
.count() -
lgrInfo->closeTime.time_since_epoch().count() - 946684800;
auto& validatedLgr =
(response["validated_ledger"] = boost::json::object{}).as_object();
validatedLgr["age"] = age;
validatedLgr["hash"] = ripple::strHex(lgrInfo->hash);
validatedLgr["seq"] = lgrInfo->seq;
auto fees = context.backend->fetchFees(lgrInfo->seq, context.yield);
assert(fees.has_value());
validatedLgr["base_fee_xrp"] = fees->base.decimalXRP();
validatedLgr["reserve_base_xrp"] = fees->reserve.decimalXRP();
validatedLgr["reserve_inc_xrp"] = fees->increment.decimalXRP();
response["note"] =
"This is a clio server. If you want to talk to rippled, include "
"\"ledger_index\":\"current\" in your request";
return response;
}
} // namespace RPC