Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #15954
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
629ms
Block → Canton commit
629ms
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.
0xf8ac80850e6a90001f8259a29451be323af717fdc9555254a39fe99a0cbce167ed80b84440c10f19000000000000000000000000f9f8ca57d988bfff238c18925947c4aff6d7baba00000000000000000000000000000000000000000000003635c9adc5dea00000831c946da09768821c540c6048f4895ba66a5cb15ffe12b0568fd56023ac6e5313e6444644a07698e5884fbd54e2f0a85ac0a3a2bbcb390b9eda348503de6b655d2a8d14ae83