Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #198354
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
408ms
Block → Canton commit
408ms
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.
0x02f873830e4a250a843b9aca0e843b9aca0e825208949cea0b0583c4989c909b5fc6dc5cb4b168ba3e9486dfbc569d600080c001a08adc996296bd0cf99c9d0214de732e3043d67a79e49d1ca4ac4fa2ba9e0967a1a02d64dfead6d8dcc33296ca28e6adecc4ec07066cb9f59c32108ad5ebe3cce358