Skip to main content

ConsensusCommitPrologueTransaction

System transaction that runs at the beginning of a checkpoint, and is responsible for setting the current value of the clock, based on the timestamp from consensus.

type ConsensusCommitPrologueTransaction {
  additionalStateDigest: String
  commitTimestamp: DateTime
  consensusCommitDigest: String
  epoch: Epoch
  round: UInt53
  subDagIndex: UInt53
}

Fields​

ConsensusCommitPrologueTransaction.additionalStateDigest ● String scalar​

Digest of any additional state computed by the consensus handler. Used to detect forking bugs as early as possible.

Present in V4.

ConsensusCommitPrologueTransaction.commitTimestamp ● DateTime scalar​

Unix timestamp from consensus.

Present in V1, V2, V3, V4.

ConsensusCommitPrologueTransaction.consensusCommitDigest ● String scalar​

Digest of consensus output, encoded as a Base58 string.

Present in V2, V3, V4.

ConsensusCommitPrologueTransaction.epoch ● Epoch object​

Epoch of the commit prologue transaction.

Present in V1, V2, V3, V4.

ConsensusCommitPrologueTransaction.round ● UInt53 scalar​

Consensus round of the commit.

Present in V1, V2, V3, V4.

ConsensusCommitPrologueTransaction.subDagIndex ● UInt53 scalar​

The sub DAG index of the consensus commit. This field is populated if there are multiple consensus commits per round.

Present in V3, V4.

Implemented By​

TransactionKind union