Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #15990
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.
0xf8ac80851de4c01a768259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f19000000000000000000000000cba7145b26677d60e05a84686e7e25755a508a2e00000000000000000000000000000000000000000000003635c9adc5dea00000831c946ea023dad4e2f65714151bb0599ccd63c67e163175ea148820ae14ca936c49148058a05b2bb142142fb666108cf587c3becb48c594a857851ea76dbd7e40f4a3626063