Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #164921
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
995ms
Block → Canton commit
995ms
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.
0xf8ac0f858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f190000000000000000000000009e135f441dab6eb7a52eaabc78bc47c34c9b742900000000000000000000000000000000000000000000003635c9adc5dea00000831c946da04c2cea200ce8bef25539d2d7a3ad07dd7fe02aa575de6ae6da5a648a3c77536ea04e3408105ca92c7c87edfa328024c1efd9ba3f2235bf34ffcd9eb759b068af8c