Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #16149
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
659ms
Block → Canton commit
659ms
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.
0xf8ac80858bb2c970088259a2945345a589ea2a5896673ff13987bcda49d3569be780b84440c10f190000000000000000000000005317caa2ab74d3941f8f79b1aa7f8eb5f657836d00000000000000000000000000000000000000000000003635c9adc5dea00000831c946da06ab1a1d6b4f1b4db7e82cf95006265a82da2b78cf5b7a3046fb409c20f7b2ca9a00b8e8919ae97616b005f097c59f7ce9ef66fafe802ecb167ec28070a4b6e90f7