Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #55890
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
295ms
Block → Canton commit
295ms
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.
0xf8ac03858bb2c970088259a294e0a45ef66d2db5e766eba1f70e21a4bf1f901b8780b84440c10f19000000000000000000000000f75b0b9bcfb8894d9011271dae0c67f81139721300000000000000000000000000000000000000000000003635c9adc5dea00000831c946da0da7cded13b3db450e3346949c7ab4a722334ea1813c74e5e6f782154bb712059a06addedf4959f56809b9fee26814b809851b3b16361a55ecf3496746d483d3b87