ConsensusTopicInfo

FieldTypeDescription

memo

Short publicly visible memo about the topic. No guarantee of uniqueness.

runningHash

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

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.

ledger_id

bytes

The ledger ID the response was returned from; please see HIP-198 for the network-specific IDs.

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