Function exportasmap

src/rpc/net.cpp:1131–1182

}

static RPCMethod exportasmap()
{
    return RPCMethod{
        "exportasmap",
        "Export the embedded ASMap data to a file. Any existing file at the path will be overwritten.\n",
        {
            {"path", RPCArg::Type::STR, RPCArg::Optional::NO, "Path to the output file. If relative, will be prefixed by datadir."},
        },
        RPCResult{
            RPCResult::Type::OBJ, "", "",
            {
                {RPCResult::Type::STR, "path", "the absolute path that the ASMap data was written to"},
                {RPCResult::Type::NUM, "bytes_written", "the number of bytes written to the file"},
                {RPCResult::Type::STR_HEX, "file_hash", "the SHA256 hash of the exported ASMap data"},
            }
        },
        RPCExamples{
            HelpExampleCli("exportasmap", "\"asmap.dat\"") + HelpExampleRpc("exportasmap", "\"asmap.dat\"")},
        [&](const RPCMethod& self, const JSONRPCRequest& request) -> UniValue {
#ifndef ENABLE_EMBEDDED_ASMAP
            throw JSONRPCError(RPC_MISC_ERROR, "No embedded ASMap data available");
#else
            if (node::data::ip_asn.empty() || !CheckStandardAsmap(node::data::ip_asn)) {
                throw JSONRPCError(RPC_MISC_ERROR, "Embedded ASMap data appears to be corrupted");
            }

            const ArgsManager& args{EnsureAnyArgsman(request.context)};
            const fs::path export_path{fsbridge::AbsPathJoin(args.GetDataDirNet(), fs::u8path(self.Arg<std::string_view>("path")))};

            AutoFile file{fsbridge::fopen(export_path, "wb")};
            if (file.IsNull()) {
                throw JSONRPCError(RPC_MISC_ERROR, strprintf("Failed to open asmap file: %s", fs::PathToString(export_path)));
            }

            file << node::data::ip_asn;

            if (file.fclose() != 0) {
                throw JSONRPCError(RPC_MISC_ERROR, strprintf("Failed to close asmap file: %s", fs::PathToString(export_path)));
            }

            HashWriter hasher;
            hasher.write(node::data::ip_asn);

            UniValue result(UniValue::VOBJ);
            result.pushKV("path", export_path.utf8string());
            result.pushKV("bytes_written", node::data::ip_asn.size());
            result.pushKV("file_hash", HexStr(hasher.GetSHA256()));
            return result;
#endif
        },
    };
}

UniValue AddrmanEntryToJSON(const AddrInfo& info, const CConnman& connman)
{