Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #215821
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
438ms
Block → Canton commit
438ms
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.
0xf8ac19850a6dad800082598394e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f190000000000000000000000002e5b009c1701beced5c846892cd677957972074900000000000000000000000000000000000000000000003635c9adc5dea00000831c946da06266d6a69606eb6bc4a2fefa8ae6f8435143c3f5607b392482b1d38420ce3749a02e1b84763cd239f8779056658ab9c6145bae0400d7840bb5d2b77300d9100805