Full lifecycle view
Gateway_FinalizeBlock
Block timestamp → commit, incl. the gateway-build-block call for block #30681
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
347ms
Block → Canton commit
347ms
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.
0xf871820594858bb2c970088252089431605cee1c9dad0ba581e26a6a642a7e214992ce88016345785d8a000080831c946ea0826372f66d5e2ea9c8641b2cbc0f5c1bd7cf435bf658c4a6dcc68e34ba8e5997a0580347c4a6eb0561291e50b7d48aa910a0e6d99cbbf1fabbc1968a6318828edb