Function BanMapFromJson

src/net_types.cpp:58–74

* Convert a JSON array to a `banmap_t` object. * @param[in] bans_json JSON to convert, must be as returned by `BanMapToJson()`. * @param[out] bans Bans list to create from the JSON. * @throws std::runtime_error if the JSON does not have the expected fields or they contain * unparsable values. */

 * unparsable values.
 */
void BanMapFromJson(const UniValue& bans_json, banmap_t& bans)
{
    for (const auto& ban_entry_json : bans_json.getValues()) {
        const int version{ban_entry_json[BANMAN_JSON_VERSION_KEY].get_int()};
        if (version != CBanEntry::CURRENT_VERSION) {
            LogPrintf("Dropping entry with unknown version (%s) from ban list\n", version);
            continue;
        }
        CSubNet subnet;
        const auto& subnet_str = ban_entry_json[BANMAN_JSON_ADDR_KEY].get_str();
        if (!LookupSubNet(subnet_str, subnet)) {
            LogPrintf("Dropping entry with unparseable address or subnet (%s) from ban list\n", subnet_str);
            continue;
        }
        bans.insert_or_assign(subnet, CBanEntry{ban_entry_json});
    }
}