getCheckpoint method
Implementation
@override
Future<Checkpoint> getCheckpoint({
int? sequenceNumber,
String? digest,
List<String>? readMask,
}) async {
final req = GetCheckpointRequest(readMask: _mask(readMask));
if (sequenceNumber != null) {
req.sequenceNumber = Int64(sequenceNumber);
} else if (digest != null) {
req.digest = digest;
}
final bytes = await _call(_ledger, 'GetCheckpoint', req.writeToBuffer());
return GetCheckpointResponse.fromBuffer(bytes).checkpoint;
}