#include #include boost::json::object doLedgerRange( boost::json::object const& request, BackendInterface const& backend) { boost::json::object response; auto range = backend.fetchLedgerRange(); if (!range) { response["error"] = "No data"; } else { response["ledger_index_min"] = range->minSequence; response["ledger_index_max"] = range->maxSequence; } return response; }