| Field | Type | Description |
|---|---|---|
memo |
Content | Short publicly visible memo about the topic. No guarantee of uniqueness. |
runningHash |
Content | When a topic is created, its running hash is initialized to 48 bytes of binary zeros. For each submitted message, the topic’s running hash is then updated to the output of a particular SHA-384 digest whose input data include the previous running hash. See the TransactionReceipt.proto documentation for an exact description of the data included in the SHA-384 digest used for the update. |
sequenceNumber |
Content | Sequence number (starting at 1 for the first submitMessage) of messages on the topic. |
expirationTime |
Timestamp | Effective consensus timestamp at (and after) which submitMessage calls will no longer succeed on the topic and the topic will expire and after AUTORENEW_GRACE_PERIOD be automatically deleted. |
adminKey |
Key | Access control for update/delete of the topic. Null if there is no key. |
submitKey |
Key | Access control for ConsensusService.submitMessage. Null if there is no key. |
autoRenewPeriod |
Duration | The duration in which to renew the topic |
autoRenewAccount |
AccountID | Null if there is no autoRenewAccount. |