Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #15896
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
350ms
Block → Canton commit
350ms
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.
0xf8ac808504d3f6400c8259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f190000000000000000000000003b7fe094f166462098aecae37aec71b313a2347100000000000000000000000000000000000000000000003635c9adc5dea00000831c946da01a8e96bafbc1fa09ce557bf98b700a366a667788266a24585703af9e73db1105a0372bb7b192d5e619d6c93e0096f9683565d771572a183eb5c459b1a192a901b6