- dcp::LocalTime const begin(valid_from, recipient->utc_offset_hour, recipient->utc_offset_minute);
- dcp::LocalTime const end (valid_to, recipient->utc_offset_hour, recipient->utc_offset_minute);
+ dcp::LocalTime const begin(valid_from, dcp::UTCOffset(recipient->utc_offset_hour, recipient->utc_offset_minute));
+ dcp::LocalTime const end (valid_to, dcp::UTCOffset(recipient->utc_offset_hour, recipient->utc_offset_minute));
+
+ auto signer = Config::instance()->signer_chain();
+ if (!signer->valid()) {
+ throw InvalidSignerError();
+ }