Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #198647
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
378ms
Block → Canton commit
378ms
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.
0x02f871830e4a2501843b9aca0e843b9aca0e826e9f942e4478d55b5162f946b6bb7fad8e3e48d2fec2a48084d09de08ac001a01fe40b19264cec4585baddbc83656bef956c77ab4a33dd855a982cc34b1746d2a01a2a005357a176355abd1d7f08db8d146896adc7cf5fd277d0cd9d81e78a8eb0