Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #4156
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
799ms
Block → Canton commit
799ms
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.
0xf86d808519bacaa8af8261a8947c34a63b82f3b8ca1fef27ac6f8d062bdabbf216865af3107a400080831c946da0fa63f7d1fce4c296ed03dc4fd7fff5b98a37d25c29bb3612e84f35810ae4ddcfa07a8988c9b3bca77a0f7587962cec659fcdc1155a09a994f81cfbc09e48a61394