core / TransactionBuilder / timestamp

timestamp

fun timestamp(timestamper: TimestamperService, clock: Clock = Clock.systemUTC()): Unit

Uses the given timestamper service to request a signature over the WireTransaction be added. There must always be at least one such signature, but others may be added as well. You may want to have multiple redundant timestamps in the following cases:

The signature of the trusted timestamper merely asserts that the time field of this transaction is valid.