Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #5309
Measured from on-chain timestamps only: the EVM block timestamp, which the producer chose when it planned the block (whole seconds), and the record time (commit) of the Gateway_FinalizeBlock transaction; a commit that reads slightly before the block timestamp (rounding) shows as 0. The gateway-build-block external call runs inside that transaction and is not timed on its own; the import into the execution layers follows the commit and its time is not observable here, so those steps are markers without a duration.
Total
990ms
Block → Canton commit
990ms
block timestamp → record time (±1s)
Measured from on-chain timestamps: the EVM block timestamp, chosen when the producer planned the block, and the record time (commit) of the Gateway_FinalizeBlock transaction. The block timestamp is whole seconds and follows Canton's ledger time, so the span carries up to ±1s of rounding; a commit that reads slightly before the block timestamp shows as 0.
0x02f879830e4a25820e6a85188122883f85188122884782520894ac3b1688161ab7d17a8953e50f65357ff20b8620880de0b6b3a764000080c001a0aaab544c4867a2d7df9d35c0ea139f43fcab25822ed5cff21be0e9ae149601a5a05e445ce7f2b8cfe0b68954b4826a098c5320cb6f51d773fb9daf12d7ae8757bb