Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #21918
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
617ms
Block → Canton commit
617ms
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.
0xf8ad128502f8b91c9083011e399411270c296e8f746e831775a988d2af8864a9880880b84440c10f190000000000000000000000002a5501a292dc72a2cc5e47f4e4cc3ab17e39dc4700000000000000000000000000000000000000000000d3c21bcecceda1000000831c946da08484fdbc9caa483c974aaaa189f3b4c29dd1ff611e7cdaabeb623065e547ef6da0243b0de2871a0a56be0d08af5041c790cf9284cd4d424efc98158abb01fc96f2