Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #54188
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
865ms
Block → Canton commit
865ms
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.
0xf8ac06858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f190000000000000000000000008daa588af551a8d20c6ddcff9731e0ec4cc8ef1b00000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea07d50c6ae3630fab4c507753d4650df81bb886f7135fe51bbacb516c84093ec89a074165d518ed0f667f613d1774035b45015bfd0ff97a515921931f375d4bca4b5