Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #156221
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
644ms
Block → Canton commit
644ms
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.
0x02f870830e4a25819c85279b2d256f85279b2d2579827b0c942a39c80c5dd5669028fcc012926cbbc86b1c383d8080c080a0bcafc78bb5aa5599e9b19e0bfb66b70395ce0eff75c1bf35aa6c7dd6d943b1a6a05369b54e81ea204cdfb3c99f2ad11d4da1ba8ac9703c9f520188a4be4d8729f5